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authorLinus Torvalds <torvalds@g5.osdl.org>2006-06-26 10:51:09 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-06-26 10:51:09 -0700
commit81a07d7588d376c530d006e24d7981304ce96e16 (patch)
tree1608e094c88b9702c86cf2e6f65339aab9ea3f3f /include
parent8871e73fdbde07d0a41393f7ee30787b65387b36 (diff)
parent8501a2fbe762b21d2504ed3aca3b52be61b5e6e4 (diff)
Merge branch 'x86-64'
* x86-64: (83 commits) [PATCH] x86_64: x86_64 stack usage debugging [PATCH] x86_64: (resend) x86_64 stack overflow debugging [PATCH] x86_64: msi_apic.c build fix [PATCH] x86_64: i386/x86-64 Add nmi watchdog support for new Intel CPUs [PATCH] x86_64: Avoid broadcasting NMI IPIs [PATCH] x86_64: fix apic error on bootup [PATCH] x86_64: enlarge window for stack growth [PATCH] x86_64: Minor string functions optimizations [PATCH] x86_64: Move export symbols to their C functions [PATCH] x86_64: Standardize i386/x86_64 handling of NMI_VECTOR [PATCH] x86_64: Fix modular pc speaker [PATCH] x86_64: remove sys32_ni_syscall() [PATCH] x86_64: Do not use -ffunction-sections for modules [PATCH] x86_64: Add cpu_relax to apic_wait_icr_idle [PATCH] x86_64: adjust kstack_depth_to_print default [PATCH] i386/x86-64: adjust /proc/interrupts column headings [PATCH] x86_64: Fix race in cpu_local_* on preemptible kernels [PATCH] x86_64: Fix fast check in safe_smp_processor_id [PATCH] x86_64: x86_64 setup.c - printing cmp related boottime information [PATCH] i386/x86-64/ia64: Move polling flag into thread_info_status ... Manual resolve of trivial conflict in arch/i386/kernel/Makefile
Diffstat (limited to 'include')
-rw-r--r--include/asm-i386/alternative.h2
-rw-r--r--include/asm-i386/apic.h12
-rw-r--r--include/asm-i386/cpufeature.h1
-rw-r--r--include/asm-i386/dwarf2.h54
-rw-r--r--include/asm-i386/hw_irq.h2
-rw-r--r--include/asm-i386/intel_arch_perfmon.h19
-rw-r--r--include/asm-i386/k8.h1
-rw-r--r--include/asm-i386/local.h26
-rw-r--r--include/asm-i386/mach-default/mach_ipi.h7
-rw-r--r--include/asm-i386/nmi.h28
-rw-r--r--include/asm-i386/processor.h3
-rw-r--r--include/asm-i386/thread_info.h7
-rw-r--r--include/asm-i386/unwind.h98
-rw-r--r--include/asm-ia64/thread_info.h5
-rw-r--r--include/asm-x86_64/alternative.h146
-rw-r--r--include/asm-x86_64/apic.h26
-rw-r--r--include/asm-x86_64/atomic.h42
-rw-r--r--include/asm-x86_64/bitops.h7
-rw-r--r--include/asm-x86_64/calgary.h66
-rw-r--r--include/asm-x86_64/cpufeature.h3
-rw-r--r--include/asm-x86_64/dma-mapping.h17
-rw-r--r--include/asm-x86_64/dma.h2
-rw-r--r--include/asm-x86_64/gart-mapping.h16
-rw-r--r--include/asm-x86_64/hpet.h2
-rw-r--r--include/asm-x86_64/hw_irq.h2
-rw-r--r--include/asm-x86_64/ia32_unistd.h308
-rw-r--r--include/asm-x86_64/intel_arch_perfmon.h19
-rw-r--r--include/asm-x86_64/k8.h14
-rw-r--r--include/asm-x86_64/local.h26
-rw-r--r--include/asm-x86_64/mce.h13
-rw-r--r--include/asm-x86_64/mutex.h4
-rw-r--r--include/asm-x86_64/nmi.h30
-rw-r--r--include/asm-x86_64/pci.h4
-rw-r--r--include/asm-x86_64/pgtable.h6
-rw-r--r--include/asm-x86_64/processor.h5
-rw-r--r--include/asm-x86_64/proto.h15
-rw-r--r--include/asm-x86_64/rwlock.h8
-rw-r--r--include/asm-x86_64/semaphore.h8
-rw-r--r--include/asm-x86_64/smp.h2
-rw-r--r--include/asm-x86_64/spinlock.h10
-rw-r--r--include/asm-x86_64/string.h3
-rw-r--r--include/asm-x86_64/system.h86
-rw-r--r--include/asm-x86_64/tce.h47
-rw-r--r--include/asm-x86_64/thread_info.h19
-rw-r--r--include/asm-x86_64/topology.h8
-rw-r--r--include/asm-x86_64/unwind.h106
-rw-r--r--include/linux/bitmap.h5
-rw-r--r--include/linux/compat.h2
-rw-r--r--include/linux/kernel.h7
-rw-r--r--include/linux/module.h3
-rw-r--r--include/linux/sysctl.h2
-rw-r--r--include/linux/time.h11
-rw-r--r--include/linux/unwind.h127
53 files changed, 953 insertions, 539 deletions
diff --git a/include/asm-i386/alternative.h b/include/asm-i386/alternative.h
index d79e9ee10fd..c61bd1a17f3 100644
--- a/include/asm-i386/alternative.h
+++ b/include/asm-i386/alternative.h
@@ -5,6 +5,8 @@
#include <asm/types.h>
+#include <linux/types.h>
+
struct alt_instr {
u8 *instr; /* original instruction */
u8 *replacement;
diff --git a/include/asm-i386/apic.h b/include/asm-i386/apic.h
index 1d8362cb2c5..2c1e371cebb 100644
--- a/include/asm-i386/apic.h
+++ b/include/asm-i386/apic.h
@@ -111,24 +111,12 @@ extern void init_apic_mappings (void);
extern void smp_local_timer_interrupt (struct pt_regs * regs);
extern void setup_boot_APIC_clock (void);
extern void setup_secondary_APIC_clock (void);
-extern void setup_apic_nmi_watchdog (void);
-extern int reserve_lapic_nmi(void);
-extern void release_lapic_nmi(void);
-extern void disable_timer_nmi_watchdog(void);
-extern void enable_timer_nmi_watchdog(void);
-extern void nmi_watchdog_tick (struct pt_regs * regs);
extern int APIC_init_uniprocessor (void);
extern void disable_APIC_timer(void);
extern void enable_APIC_timer(void);
extern void enable_NMI_through_LVT0 (void * dummy);
-extern unsigned int nmi_watchdog;
-#define NMI_NONE 0
-#define NMI_IO_APIC 1
-#define NMI_LOCAL_APIC 2
-#define NMI_INVALID 3
-
extern int disable_timer_pin_1;
void smp_send_timer_broadcast_ipi(struct pt_regs *regs);
diff --git a/include/asm-i386/cpufeature.h b/include/asm-i386/cpufeature.h
index 3ecedbafa8c..d314ebb3d59 100644
--- a/include/asm-i386/cpufeature.h
+++ b/include/asm-i386/cpufeature.h
@@ -72,6 +72,7 @@
#define X86_FEATURE_CONSTANT_TSC (3*32+ 8) /* TSC ticks at a constant rate */
#define X86_FEATURE_UP (3*32+ 9) /* smp kernel running on up */
#define X86_FEATURE_FXSAVE_LEAK (3*32+10) /* FXSAVE leaks FOP/FIP/FOP */
+#define X86_FEATURE_ARCH_PERFMON (3*32+11) /* Intel Architectural PerfMon */
/* Intel-defined CPU features, CPUID level 0x00000001 (ecx), word 4 */
#define X86_FEATURE_XMM3 (4*32+ 0) /* Streaming SIMD Extensions-3 */
diff --git a/include/asm-i386/dwarf2.h b/include/asm-i386/dwarf2.h
new file mode 100644
index 00000000000..2280f6272f8
--- /dev/null
+++ b/include/asm-i386/dwarf2.h
@@ -0,0 +1,54 @@
+#ifndef _DWARF2_H
+#define _DWARF2_H
+
+#include <linux/config.h>
+
+#ifndef __ASSEMBLY__
+#warning "asm/dwarf2.h should be only included in pure assembly files"
+#endif
+
+/*
+ Macros for dwarf2 CFI unwind table entries.
+ See "as.info" for details on these pseudo ops. Unfortunately
+ they are only supported in very new binutils, so define them
+ away for older version.
+ */
+
+#ifdef CONFIG_UNWIND_INFO
+
+#define CFI_STARTPROC .cfi_startproc
+#define CFI_ENDPROC .cfi_endproc
+#define CFI_DEF_CFA .cfi_def_cfa
+#define CFI_DEF_CFA_REGISTER .cfi_def_cfa_register
+#define CFI_DEF_CFA_OFFSET .cfi_def_cfa_offset
+#define CFI_ADJUST_CFA_OFFSET .cfi_adjust_cfa_offset
+#define CFI_OFFSET .cfi_offset
+#define CFI_REL_OFFSET .cfi_rel_offset
+#define CFI_REGISTER .cfi_register
+#define CFI_RESTORE .cfi_restore
+#define CFI_REMEMBER_STATE .cfi_remember_state
+#define CFI_RESTORE_STATE .cfi_restore_state
+
+#else
+
+/* Due to the structure of pre-exisiting code, don't use assembler line
+ comment character # to ignore the arguments. Instead, use a dummy macro. */
+.macro ignore a=0, b=0, c=0, d=0
+.endm
+
+#define CFI_STARTPROC ignore
+#define CFI_ENDPROC ignore
+#define CFI_DEF_CFA ignore
+#define CFI_DEF_CFA_REGISTER ignore
+#define CFI_DEF_CFA_OFFSET ignore
+#define CFI_ADJUST_CFA_OFFSET ignore
+#define CFI_OFFSET ignore
+#define CFI_REL_OFFSET ignore
+#define CFI_REGISTER ignore
+#define CFI_RESTORE ignore
+#define CFI_REMEMBER_STATE ignore
+#define CFI_RESTORE_STATE ignore
+
+#endif
+
+#endif
diff --git a/include/asm-i386/hw_irq.h b/include/asm-i386/hw_irq.h
index 95d3fd09029..a4c0a5a9ffd 100644
--- a/include/asm-i386/hw_irq.h
+++ b/include/asm-i386/hw_irq.h
@@ -19,6 +19,8 @@
struct hw_interrupt_type;
+#define NMI_VECTOR 0x02
+
/*
* Various low-level irq details needed by irq.c, process.c,
* time.c, io_apic.c and smp.c
diff --git a/include/asm-i386/intel_arch_perfmon.h b/include/asm-i386/intel_arch_perfmon.h
new file mode 100644
index 00000000000..134ea9cc528
--- /dev/null
+++ b/include/asm-i386/intel_arch_perfmon.h
@@ -0,0 +1,19 @@
+#ifndef X86_INTEL_ARCH_PERFMON_H
+#define X86_INTEL_ARCH_PERFMON_H 1
+
+#define MSR_ARCH_PERFMON_PERFCTR0 0xc1
+#define MSR_ARCH_PERFMON_PERFCTR1 0xc2
+
+#define MSR_ARCH_PERFMON_EVENTSEL0 0x186
+#define MSR_ARCH_PERFMON_EVENTSEL1 0x187
+
+#define ARCH_PERFMON_EVENTSEL0_ENABLE (1 << 22)
+#define ARCH_PERFMON_EVENTSEL_INT (1 << 20)
+#define ARCH_PERFMON_EVENTSEL_OS (1 << 17)
+#define ARCH_PERFMON_EVENTSEL_USR (1 << 16)
+
+#define ARCH_PERFMON_UNHALTED_CORE_CYCLES_SEL (0x3c)
+#define ARCH_PERFMON_UNHALTED_CORE_CYCLES_UMASK (0x00 << 8)
+#define ARCH_PERFMON_UNHALTED_CORE_CYCLES_PRESENT (1 << 0)
+
+#endif /* X86_INTEL_ARCH_PERFMON_H */
diff --git a/include/asm-i386/k8.h b/include/asm-i386/k8.h
new file mode 100644
index 00000000000..dfd88a6e604
--- /dev/null
+++ b/include/asm-i386/k8.h
@@ -0,0 +1 @@
+#include <asm-x86_64/k8.h>
diff --git a/include/asm-i386/local.h b/include/asm-i386/local.h
index e67fa08260f..3b4998c51d0 100644
--- a/include/asm-i386/local.h
+++ b/include/asm-i386/local.h
@@ -55,12 +55,26 @@ static __inline__ void local_sub(long i, local_t *v)
* much more efficient than these naive implementations. Note they take
* a variable, not an address.
*/
-#define cpu_local_read(v) local_read(&__get_cpu_var(v))
-#define cpu_local_set(v, i) local_set(&__get_cpu_var(v), (i))
-#define cpu_local_inc(v) local_inc(&__get_cpu_var(v))
-#define cpu_local_dec(v) local_dec(&__get_cpu_var(v))
-#define cpu_local_add(i, v) local_add((i), &__get_cpu_var(v))
-#define cpu_local_sub(i, v) local_sub((i), &__get_cpu_var(v))
+
+/* Need to disable preemption for the cpu local counters otherwise we could
+ still access a variable of a previous CPU in a non atomic way. */
+#define cpu_local_wrap_v(v) \
+ ({ local_t res__; \
+ preempt_disable(); \
+ res__ = (v); \
+ preempt_enable(); \
+ res__; })
+#define cpu_local_wrap(v) \
+ ({ preempt_disable(); \
+ v; \
+ preempt_enable(); }) \
+
+#define cpu_local_read(v) cpu_local_wrap_v(local_read(&__get_cpu_var(v)))
+#define cpu_local_set(v, i) cpu_local_wrap(local_set(&__get_cpu_var(v), (i)))
+#define cpu_local_inc(v) cpu_local_wrap(local_inc(&__get_cpu_var(v)))
+#define cpu_local_dec(v) cpu_local_wrap(local_dec(&__get_cpu_var(v)))
+#define cpu_local_add(i, v) cpu_local_wrap(local_add((i), &__get_cpu_var(v)))
+#define cpu_local_sub(i, v) cpu_local_wrap(local_sub((i), &__get_cpu_var(v)))
#define __cpu_local_inc(v) cpu_local_inc(v)
#define __cpu_local_dec(v) cpu_local_dec(v)
diff --git a/include/asm-i386/mach-default/mach_ipi.h b/include/asm-i386/mach-default/mach_ipi.h
index a1d0072e36b..0dba244c86d 100644
--- a/include/asm-i386/mach-default/mach_ipi.h
+++ b/include/asm-i386/mach-default/mach_ipi.h
@@ -1,6 +1,9 @@
#ifndef __ASM_MACH_IPI_H
#define __ASM_MACH_IPI_H
+/* Avoid include hell */
+#define NMI_VECTOR 0x02
+
void send_IPI_mask_bitmask(cpumask_t mask, int vector);
void __send_IPI_shortcut(unsigned int shortcut, int vector);
@@ -13,7 +16,7 @@ static inline void send_IPI_mask(cpumask_t mask, int vector)
static inline void __local_send_IPI_allbutself(int vector)
{
- if (no_broadcast) {
+ if (no_broadcast || vector == NMI_VECTOR) {
cpumask_t mask = cpu_online_map;
cpu_clear(smp_processor_id(), mask);
@@ -24,7 +27,7 @@ static inline void __local_send_IPI_allbutself(int vector)
static inline void __local_send_IPI_all(int vector)
{
- if (no_broadcast)
+ if (no_broadcast || vector == NMI_VECTOR)
send_IPI_mask(cpu_online_map, vector);
else
__send_IPI_shortcut(APIC_DEST_ALLINC, vector);
diff --git a/include/asm-i386/nmi.h b/include/asm-i386/nmi.h
index 21f16638fc6..67d99479999 100644
--- a/include/asm-i386/nmi.h
+++ b/include/asm-i386/nmi.h
@@ -5,24 +5,38 @@
#define ASM_NMI_H
#include <linux/pm.h>
-
+
struct pt_regs;
-
+
typedef int (*nmi_callback_t)(struct pt_regs * regs, int cpu);
-
-/**
+
+/**
* set_nmi_callback
*
* Set a handler for an NMI. Only one handler may be
* set. Return 1 if the NMI was handled.
*/
void set_nmi_callback(nmi_callback_t callback);
-
-/**
+
+/**
* unset_nmi_callback
*
* Remove the handler previously set.
*/
void unset_nmi_callback(void);
-
+
+extern void setup_apic_nmi_watchdog (void);
+extern int reserve_lapic_nmi(void);
+extern void release_lapic_nmi(void);
+extern void disable_timer_nmi_watchdog(void);
+extern void enable_timer_nmi_watchdog(void);
+extern void nmi_watchdog_tick (struct pt_regs * regs);
+
+extern unsigned int nmi_watchdog;
+#define NMI_DEFAULT -1
+#define NMI_NONE 0
+#define NMI_IO_APIC 1
+#define NMI_LOCAL_APIC 2
+#define NMI_INVALID 3
+
#endif /* ASM_NMI_H */
diff --git a/include/asm-i386/processor.h b/include/asm-i386/processor.h
index 0c83cf12eec..55ea992da32 100644
--- a/include/asm-i386/processor.h
+++ b/include/asm-i386/processor.h
@@ -112,6 +112,7 @@ extern char ignore_fpu_irq;
extern void identify_cpu(struct cpuinfo_x86 *);
extern void print_cpu_info(struct cpuinfo_x86 *);
extern unsigned int init_intel_cacheinfo(struct cpuinfo_x86 *c);
+extern unsigned short num_cache_leaves;
#ifdef CONFIG_X86_HT
extern void detect_ht(struct cpuinfo_x86 *c);
@@ -554,7 +555,7 @@ extern void prepare_to_copy(struct task_struct *tsk);
extern int kernel_thread(int (*fn)(void *), void * arg, unsigned long flags);
extern unsigned long thread_saved_pc(struct task_struct *tsk);
-void show_trace(struct task_struct *task, unsigned long *stack);
+void show_trace(struct task_struct *task, struct pt_regs *regs, unsigned long *stack);
unsigned long get_wchan(struct task_struct *p);
diff --git a/include/asm-i386/thread_info.h b/include/asm-i386/thread_info.h
index 8420ed12491..fdbc7f422ea 100644
--- a/include/asm-i386/thread_info.h
+++ b/include/asm-i386/thread_info.h
@@ -140,8 +140,7 @@ register unsigned long current_stack_pointer asm("esp") __attribute_used__;
#define TIF_SYSCALL_AUDIT 7 /* syscall auditing active */
#define TIF_SECCOMP 8 /* secure computing */
#define TIF_RESTORE_SIGMASK 9 /* restore signal mask in do_signal() */
-#define TIF_POLLING_NRFLAG 16 /* true if poll_idle() is polling TIF_NEED_RESCHED */
-#define TIF_MEMDIE 17
+#define TIF_MEMDIE 16
#define _TIF_SYSCALL_TRACE (1<<TIF_SYSCALL_TRACE)
#define _TIF_NOTIFY_RESUME (1<<TIF_NOTIFY_RESUME)
@@ -153,7 +152,6 @@ register unsigned long current_stack_pointer asm("esp") __attribute_used__;
#define _TIF_SYSCALL_AUDIT (1<<TIF_SYSCALL_AUDIT)
#define _TIF_SECCOMP (1<<TIF_SECCOMP)
#define _TIF_RESTORE_SIGMASK (1<<TIF_RESTORE_SIGMASK)
-#define _TIF_POLLING_NRFLAG (1<<TIF_POLLING_NRFLAG)
/* work to do on interrupt/exception return */
#define _TIF_WORK_MASK \
@@ -170,6 +168,9 @@ register unsigned long current_stack_pointer asm("esp") __attribute_used__;
* have to worry about atomic accesses.
*/
#define TS_USEDFPU 0x0001 /* FPU was used by this task this quantum (SMP) */
+#define TS_POLLING 0x0002 /* True if in idle loop and not sleeping */
+
+#define tsk_is_polling(t) ((t)->thread_info->status & TS_POLLING)
#endif /* __KERNEL__ */
diff --git a/include/asm-i386/unwind.h b/include/asm-i386/unwind.h
new file mode 100644
index 00000000000..d480f2e3821
--- /dev/null
+++ b/include/asm-i386/unwind.h
@@ -0,0 +1,98 @@
+#ifndef _ASM_I386_UNWIND_H
+#define _ASM_I386_UNWIND_H
+
+/*
+ * Copyright (C) 2002-2006 Novell, Inc.
+ * Jan Beulich <jbeulich@novell.com>
+ * This code is released under version 2 of the GNU GPL.
+ */
+
+#ifdef CONFIG_STACK_UNWIND
+
+#include <linux/sched.h>
+#include <asm/fixmap.h>
+#include <asm/ptrace.h>
+#include <asm/uaccess.h>
+
+struct unwind_frame_info
+{
+ struct pt_regs regs;
+ struct task_struct *task;
+};
+
+#define UNW_PC(frame) (frame)->regs.eip
+#define UNW_SP(frame) (frame)->regs.esp
+#ifdef CONFIG_FRAME_POINTER
+#define UNW_FP(frame) (frame)->regs.ebp
+#define FRAME_RETADDR_OFFSET 4
+#define FRAME_LINK_OFFSET 0
+#define STACK_BOTTOM(tsk) STACK_LIMIT((tsk)->thread.esp0)
+#define STACK_TOP(tsk) ((tsk)->thread.esp0)
+#endif
+#define STACK_LIMIT(ptr) (((ptr) - 1) & ~(THREAD_SIZE - 1))
+
+#define UNW_REGISTER_INFO \
+ PTREGS_INFO(eax), \
+ PTREGS_INFO(ecx), \
+ PTREGS_INFO(edx), \
+ PTREGS_INFO(ebx), \
+ PTREGS_INFO(esp), \
+ PTREGS_INFO(ebp), \
+ PTREGS_INFO(esi), \
+ PTREGS_INFO(edi), \
+ PTREGS_INFO(eip)
+
+static inline void arch_unw_init_frame_info(struct unwind_frame_info *info,
+ /*const*/ struct pt_regs *regs)
+{
+ if (user_mode_vm(regs))
+ info->regs = *regs;
+ else {
+ memcpy(&info->regs, regs, offsetof(struct pt_regs, esp));
+ info->regs.esp = (unsigned long)&regs->esp;
+ info->regs.xss = __KERNEL_DS;
+ }
+}
+
+static inline void arch_unw_init_blocked(struct unwind_frame_info *info)
+{
+ memset(&info->regs, 0, sizeof(info->regs));
+ info->regs.eip = info->task->thread.eip;
+ info->regs.xcs = __KERNEL_CS;
+ __get_user(info->regs.ebp, (long *)info->task->thread.esp);
+ info->regs.esp = info->task->thread.esp;
+ info->regs.xss = __KERNEL_DS;
+ info->regs.xds = __USER_DS;
+ info->regs.xes = __USER_DS;
+}
+
+extern asmlinkage int arch_unwind_init_running(struct unwind_frame_info *,
+ asmlinkage int (*callback)(struct unwind_frame_info *,
+ void *arg),
+ void *arg);
+
+static inline int arch_unw_user_mode(const struct unwind_frame_info *info)
+{
+#if 0 /* This can only work when selector register and EFLAGS saves/restores
+ are properly annotated (and tracked in UNW_REGISTER_INFO). */
+ return user_mode_vm(&info->regs);
+#else
+ return info->regs.eip < PAGE_OFFSET
+ || (info->regs.eip >= __fix_to_virt(FIX_VSYSCALL)
+ && info->regs.eip < __fix_to_virt(FIX_VSYSCALL) + PAGE_SIZE)
+ || info->regs.esp < PAGE_OFFSET;
+#endif
+}
+
+#else
+
+#define UNW_PC(frame) ((void)(frame), 0)
+
+static inline int arch_unw_user_mode(const void *info)
+{
+ return 0;
+}
+
+#endif
+
+#endif /* _ASM_I386_UNWIND_H */
diff --git a/include/asm-ia64/thread_info.h b/include/asm-ia64/thread_info.h
index e5392c4d30c..8bc9869e576 100644
--- a/include/asm-ia64/thread_info.h
+++ b/include/asm-ia64/thread_info.h
@@ -27,6 +27,7 @@ struct thread_info {
__u32 flags; /* thread_info flags (see TIF_*) */
__u32 cpu; /* current CPU */
__u32 last_cpu; /* Last CPU thread ran on */
+ __u32 status; /* Thread synchronous flags */
mm_segment_t addr_limit; /* user-level address space limit */
int preempt_count; /* 0=premptable, <0=BUG; will also serve as bh-counter */
struct restart_block restart_block;
@@ -103,4 +104,8 @@ struct thread_info {
/* like TIF_ALLWORK_BITS but sans TIF_SYSCALL_TRACE or TIF_SYSCALL_AUDIT */
#define TIF_WORK_MASK (TIF_ALLWORK_MASK&~(_TIF_SYSCALL_TRACE|_TIF_SYSCALL_AUDIT))
+#define TS_POLLING 1 /* true if in idle loop and not sleeping */
+
+#define tsk_is_polling(t) ((t)->thread_info->status & TS_POLLING)
+
#endif /* _ASM_IA64_THREAD_INFO_H */
diff --git a/include/asm-x86_64/alternative.h b/include/asm-x86_64/alternative.h
new file mode 100644
index 00000000000..387c8f66af7
--- /dev/null
+++ b/include/asm-x86_64/alternative.h
@@ -0,0 +1,146 @@
+#ifndef _X86_64_ALTERNATIVE_H
+#define _X86_64_ALTERNATIVE_H
+
+#ifdef __KERNEL__
+
+#include <linux/types.h>
+
+struct alt_instr {
+ u8 *instr; /* original instruction */
+ u8 *replacement;
+ u8 cpuid; /* cpuid bit set for replacement */
+ u8 instrlen; /* length of original instruction */
+ u8 replacementlen; /* length of new instruction, <= instrlen */
+ u8 pad[5];
+};
+
+extern void apply_alternatives(struct alt_instr *start, struct alt_instr *end);
+
+struct module;
+extern void alternatives_smp_module_add(struct module *mod, char *name,
+ void *locks, void *locks_end,
+ void *text, void *text_end);
+extern void alternatives_smp_module_del(struct module *mod);
+extern void alternatives_smp_switch(int smp);
+
+#endif
+
+/*
+ * Alternative instructions for different CPU types or capabilities.
+ *
+ * This allows to use optimized instructions even on generic binary
+ * kernels.
+ *
+ * length of oldinstr must be longer or equal the length of newinstr
+ * It can be padded with nops as needed.
+ *
+ * For non barrier like inlines please define new variants
+ * without volatile and memory clobber.
+ */
+#define alternative(oldinstr, newinstr, feature) \
+ asm volatile ("661:\n\t" oldinstr "\n662:\n" \
+ ".section .altinstructions,\"a\"\n" \
+ " .align 8\n" \
+ " .quad 661b\n" /* label */ \
+ " .quad 663f\n" /* new instruction */ \
+ " .byte %c0\n" /* feature bit */ \
+ " .byte 662b-661b\n" /* sourcelen */ \
+ " .byte 664f-663f\n" /* replacementlen */ \
+ ".previous\n" \
+ ".section .altinstr_replacement,\"ax\"\n" \
+ "663:\n\t" newinstr "\n664:\n" /* replacement */ \
+ ".previous" :: "i" (feature) : "memory")
+
+/*
+ * Alternative inline assembly with input.
+ *
+ * Pecularities:
+ * No memory clobber here.
+ * Argument numbers start with 1.
+ * Best is to use constraints that are fixed size (like (%1) ... "r")
+ * If you use variable sized constraints like "m" or "g" in the
+ * replacement make sure to pad to the worst case length.
+ */
+#define alternative_input(oldinstr, newinstr, feature, input...) \
+ asm volatile ("661:\n\t" oldinstr "\n662:\n" \
+ ".section .altinstructions,\"a\"\n" \
+ " .align 8\n" \
+ " .quad 661b\n" /* label */ \
+ " .quad 663f\n" /* new instruction */ \
+ " .byte %c0\n" /* feature bit */ \
+ " .byte 662b-661b\n" /* sourcelen */ \
+ " .byte 664f-663f\n" /* replacementlen */ \
+ ".previous\n" \
+ ".section .altinstr_replacement,\"ax\"\n" \
+ "663:\n\t" newinstr "\n664:\n" /* replacement */ \
+ ".previous" :: "i" (feature), ##input)
+
+/* Like alternative_input, but with a single output argument */
+#define alternative_io(oldinstr, newinstr, feature, output, input...) \
+ asm volatile ("661:\n\t" oldinstr "\n662:\n" \
+ ".section .altinstructions,\"a\"\n" \
+ " .align 8\n" \
+ " .quad 661b\n" /* label */ \
+ " .quad 663f\n" /* new instruction */ \
+ " .byte %c[feat]\n" /* feature bit */ \
+ " .byte 662b-661b\n" /* sourcelen */ \
+ " .byte 664f-663f\n" /* replacementlen */ \
+ ".previous\n" \
+ ".section .altinstr_replacement,\"ax\"\n" \
+ "663:\n\t" newinstr "\n664:\n" /* replacement */ \
+ ".previous" : output : [feat] "i" (feature), ##input)
+
+/*
+ * Alternative inline assembly for SMP.
+ *
+ * alternative_smp() takes two versions (SMP first, UP second) and is
+ * for more complex stuff such as spinlocks.
+ *
+ * The LOCK_PREFIX macro defined here replaces the LOCK and
+ * LOCK_PREFIX macros used everywhere in the source tree.
+ *
+ * SMP alternatives use the same data structures as the other
+ * alternatives and the X86_FEATURE_UP flag to indicate the case of a
+ * UP system running a SMP kernel. The existing apply_alternatives()
+ * works fine for patching a SMP kernel for UP.
+ *
+ * The SMP alternative tables can be kept after boot and contain both
+ * UP and SMP versions of the instructions to allow switching back to
+ * SMP at runtime, when hotplugging in a new CPU, which is especially
+ * useful in virtualized environments.
+ *
+ * The very common lock prefix is handled as special case in a
+ * separate table which is a pure address list without replacement ptr
+ * and size information. That keeps the table sizes small.
+ */
+
+#ifdef CONFIG_SMP
+#define alternative_smp(smpinstr, upinstr, args...) \
+ asm volatile ("661:\n\t" smpinstr "\n662:\n" \
+ ".section .smp_altinstructions,\"a\"\n" \
+ " .align 8\n" \
+ " .quad 661b\n" /* label */ \
+ " .quad 663f\n" /* new instruction */ \
+ " .byte 0x66\n" /* X86_FEATURE_UP */ \
+ " .byte 662b-661b\n" /* sourcelen */ \
+ " .byte 664f-663f\n" /* replacementlen */ \
+ ".previous\n" \
+ ".section .smp_altinstr_replacement,\"awx\"\n" \
+ "663:\n\t" upinstr "\n" /* replacement */ \
+ "664:\n\t.fill 662b-661b,1,0x42\n" /* space for original */ \
+ ".previous" : args)
+
+#define LOCK_PREFIX \
+ ".section .smp_locks,\"a\"\n" \
+ " .align 8\n" \
+ " .quad 661f\n" /* address */ \
+ ".previous\n" \
+ "661:\n\tlock; "
+
+#else /* ! CONFIG_SMP */
+#define alternative_smp(smpinstr, upinstr, args...) \
+ asm volatile (upinstr : args)
+#define LOCK_PREFIX ""
+#endif
+
+#endif /* _X86_64_ALTERNATIVE_H */
diff --git a/include/asm-x86_64/apic.h b/include/asm-x86_64/apic.h
index a731be2204d..9c96a0a8d1b 100644
--- a/include/asm-x86_64/apic.h
+++ b/include/asm-x86_64/apic.h
@@ -49,7 +49,8 @@ static __inline unsigned int apic_read(unsigned long reg)
static __inline__ void apic_wait_icr_idle(void)
{
- while ( apic_read( APIC_ICR ) & APIC_ICR_BUSY );
+ while (apic_read( APIC_ICR ) & APIC_ICR_BUSY)
+ cpu_relax();
}
static inline void ack_APIC_irq(void)
@@ -79,30 +80,23 @@ extern void init_apic_mappings (void);
extern void smp_local_timer_interrupt (struct pt_regs * regs);
extern void setup_boot_APIC_clock (void);
extern void setup_secondary_APIC_clock (void);
-extern void setup_apic_nmi_watchdog (void);
-extern int reserve_lapic_nmi(void);
-extern void release_lapic_nmi(void);
-extern void disable_timer_nmi_watchdog(void);
-extern void enable_timer_nmi_watchdog(void);
-extern void nmi_watchdog_tick (struct pt_regs * regs, unsigned reason);
extern int APIC_init_uniprocessor (void);
extern void disable_APIC_timer(void);
extern void enable_APIC_timer(void);
extern void clustered_apic_check(void);
-extern void nmi_watchdog_default(void);
-extern int setup_nmi_watchdog(char *);
+extern void setup_APIC_extened_lvt(unsigned char lvt_off, unsigned char vector,
+ unsigned char msg_type, unsigned char mask);
-extern unsigned int nmi_watchdog;
-#define NMI_DEFAULT -1
-#define NMI_NONE 0
-#define NMI_IO_APIC 1
-#define NMI_LOCAL_APIC 2
-#define NMI_INVALID 3
+#define K8_APIC_EXT_LVT_BASE 0x500
+#define K8_APIC_EXT_INT_MSG_FIX 0x0
+#define K8_APIC_EXT_INT_MSG_SMI 0x2
+#define K8_APIC_EXT_INT_MSG_NMI 0x4
+#define K8_APIC_EXT_INT_MSG_EXT 0x7
+#define K8_APIC_EXT_LVT_ENTRY_THRESHOLD 0
extern int disable_timer_pin_1;
-extern void setup_threshold_lvt(unsigned long lvt_off);
void smp_send_timer_broadcast_ipi(void);
void switch_APIC_timer_to_ipi(void *cpumask);
diff --git a/include/asm-x86_64/atomic.h b/include/asm-x86_64/atomic.h
index bd3fa67ed83..007e88d6d43 100644
--- a/include/asm-x86_64/atomic.h
+++ b/include/asm-x86_64/atomic.h
@@ -1,7 +1,7 @@
#ifndef __ARCH_X86_64_ATOMIC__
#define __ARCH_X86_64_ATOMIC__
-#include <asm/types.h>
+#include <asm/alternative.h>
/* atomic_t should be 32 bit signed type */
@@ -52,7 +52,7 @@ typedef struct { volatile int counter; } atomic_t;
static __inline__ void atomic_add(int i, atomic_t *v)
{
__asm__ __volatile__(
- LOCK "addl %1,%0"
+ LOCK_PREFIX "addl %1,%0"
:"=m" (v->counter)
:"ir" (i), "m" (v->counter));
}
@@ -67,7 +67,7 @@ static __inline__ void atomic_add(int i, atomic_t *v)
static __inline__ void atomic_sub(int i, atomic_t *v)
{
__asm__ __volatile__(
- LOCK "subl %1,%0"
+ LOCK_PREFIX "subl %1,%0"
:"=m" (v->counter)
:"ir" (i), "m" (v->counter));
}
@@ -86,7 +86,7 @@ static __inline__ int atomic_sub_and_test(int i, atomic_t *v)
unsigned char c;
__asm__ __volatile__(
- LOCK "subl %2,%0; sete %1"
+ LOCK_PREFIX "subl %2,%0; sete %1"
:"=m" (v->counter), "=qm" (c)
:"ir" (i), "m" (v->counter) : "memory");
return c;
@@ -101,7 +101,7 @@ static __inline__ int atomic_sub_and_test(int i, atomic_t *v)
static __inline__ void atomic_inc(atomic_t *v)
{
__asm__ __volatile__(
- LOCK "incl %0"
+ LOCK_PREFIX "incl %0"
:"=m" (v->counter)
:"m" (v->counter));
}
@@ -115,7 +115,7 @@ static __inline__ void atomic_inc(atomic_t *v)
static __inline__ void atomic_dec(atomic_t *v)
{
__asm__ __volatile__(
- LOCK "decl %0"
+ LOCK_PREFIX "decl %0"
:"=m" (v->counter)
:"m" (v->counter));
}
@@ -133,7 +133,7 @@ static __inline__ int atomic_dec_and_test(atomic_t *v)
unsigned char c;
__asm__ __volatile__(
- LOCK "decl %0; sete %1"
+ LOCK_PREFIX "decl %0; sete %1"
:"=m" (v->counter), "=qm" (c)
:"m" (v->counter) : "memory");
return c != 0;
@@ -152,7 +152,7 @@ static __inline__ int atomic_inc_and_test(atomic_t *v)
unsigned char c;
__asm__ __volatile__(
- LOCK "incl %0; sete %1"
+ LOCK_PREFIX "incl %0; sete %1"
:"=m" (v->counter), "=qm" (c)
:"m" (v->counter) : "memory");
return c != 0;
@@ -172,7 +172,7 @@ static __inline__ int atomic_add_negative(int i, atomic_t *v)
unsigned char c;
__asm__ __volatile__(
- LOCK "addl %2,%0; sets %1"
+ LOCK_PREFIX "addl %2,%0; sets %1"
:"=m" (v->counter), "=qm" (c)
:"ir" (i), "m" (v->counter) : "memory");
return c;
@@ -189,7 +189,7 @@ static __inline__ int atomic_add_return(int i, atomic_t *v)
{
int __i = i;
__asm__ __volatile__(
- LOCK "xaddl %0, %1;"
+ LOCK_PREFIX "xaddl %0, %1;"
:"=r"(i)
:"m"(v->counter), "0"(i));
return i + __i;
@@ -237,7 +237,7 @@ typedef struct { volatile long counter; } atomic64_t;
static __inline__ void atomic64_add(long i, atomic64_t *v)
{
__asm__ __volatile__(
- LOCK "addq %1,%0"
+ LOCK_PREFIX "addq %1,%0"
:"=m" (v->counter)
:"ir" (i), "m" (v->counter));
}
@@ -252,7 +252,7 @@ static __inline__ void atomic64_add(long i, atomic64_t *v)
static __inline__ void atomic64_sub(long i, atomic64_t *v)
{
__asm__ __volatile__(
- LOCK "subq %1,%0"
+ LOCK_PREFIX "subq %1,%0"
:"=m" (v->counter)
:"ir" (i), "m" (v->counter));
}
@@ -271,7 +271,7 @@ static __inline__ int atomic64_sub_and_test(long i, atomic64_t *v)
unsigned char c;
__asm__ __volatile__(
- LOCK "subq %2,%0; sete %1"
+ LOCK_PREFIX "subq %2,%0; sete %1"
:"=m" (v->counter), "=qm" (c)
:"ir" (i), "m" (v->counter) : "memory");
return c;
@@ -286,7 +286,7 @@ static __inline__ int atomic64_sub_and_test(long i, atomic64_t *v)
static __inline__ void atomic64_inc(atomic64_t *v)
{
__asm__ __volatile__(
- LOCK "incq %0"
+ LOCK_PREFIX "incq %0"
:"=m" (v->counter)
:"m" (v->counter));
}
@@ -300,7 +300,7 @@ static __inline__ void atomic64_inc(atomic64_t *v)
static __inline__ void atomic64_dec(atomic64_t *v)
{
__asm__ __volatile__(
- LOCK "decq %0"
+ LOCK_PREFIX "decq %0"
:"=m" (v->counter)
:"m" (v->counter));
}
@@ -318,7 +318,7 @@ static __inline__ int atomic64_dec_and_test(atomic64_t *v)
unsigned char c;
__asm__ __volatile__(
- LOCK "decq %0; sete %1"
+ LOCK_PREFIX "decq %0; sete %1"
:"=m" (v->counter), "=qm" (c)
:"m" (v->counter) : "memory");
return c != 0;
@@ -337,7 +337,7 @@ static __inline__ int atomic64_inc_and_test(atomic64_t *v)
unsigned char c;
__asm__ __volatile__(
- LOCK "incq %0; sete %1"
+ LOCK_PREFIX "incq %0; sete %1"
:"=m" (v->counter), "=qm" (c)
:"m" (v->counter) : "memory");
return c != 0;
@@ -357,7 +357,7 @@ static __inline__ int atomic64_add_negative(long i, atomic64_t *v)
unsigned char c;
__asm__ __volatile__(
- LOCK "addq %2,%0; sets %1"
+ LOCK_PREFIX "addq %2,%0; sets %1"
:"=m" (v->counter), "=qm" (c)
:"ir" (i), "m" (v->counter) : "memory");
return c;
@@ -374,7 +374,7 @@ static __inline__ long atomic64_add_return(long i, atomic64_t *v)
{
long __i = i;
__asm__ __volatile__(
- LOCK "xaddq %0, %1;"
+ LOCK_PREFIX "xaddq %0, %1;"
:"=r"(i)
:"m"(v->counter), "0"(i));
return i + __i;
@@ -418,11 +418,11 @@ static __inline__ long atomic64_sub_return(long i, atomic64_t *v)
/* These are x86-specific, used by some header files */
#define atomic_clear_mask(mask, addr) \
-__asm__ __volatile__(LOCK "andl %0,%1" \
+__asm__ __volatile__(LOCK_PREFIX "andl %0,%1" \
: : "r" (~(mask)),"m" (*addr) : "memory")
#define atomic_set_mask(mask, addr) \
-__asm__ __volatile__(LOCK "orl %0,%1" \
+__asm__ __volatile__(LOCK_PREFIX "orl %0,%1" \
: : "r" ((unsigned)mask),"m" (*(addr)) : "memory")
/* Atomic operations are already serializing on x86 */
diff --git a/include/asm-x86_64/bitops.h b/include/asm-x86_64/bitops.h
index e9bf933d25d..f7ba57b1cc0 100644
--- a/include/asm-x86_64/bitops.h
+++ b/include/asm-x86_64/bitops.h
@@ -5,12 +5,7 @@
* Copyright 1992, Linus Torvalds.
*/
-
-#ifdef CONFIG_SMP
-#define LOCK_PREFIX "lock ; "
-#else
-#define LOCK_PREFIX ""
-#endif
+#include <asm/alternative.h>
#define ADDR (*(volatile long *) addr)
diff --git a/include/asm-x86_64/calgary.h b/include/asm-x86_64/calgary.h
new file mode 100644
index 00000000000..6e1654f3098
--- /dev/null
+++ b/include/asm-x86_64/calgary.h
@@ -0,0 +1,66 @@
+/*
+ * Derived from include/asm-powerpc/iommu.h
+ *
+ * Copyright (C) 2006 Jon Mason <jdmason@us.ibm.com>, IBM Corporation
+ * Copyright (C) 2006 Muli Ben-Yehuda <muli@il.ibm.com>, IBM Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef _ASM_X86_64_CALGARY_H
+#define _ASM_X86_64_CALGARY_H
+
+#include <linux/config.h>
+#include <linux/spinlock.h>
+#include <linux/device.h>
+#include <linux/dma-mapping.h>
+#include <asm/types.h>
+
+struct iommu_table {
+ unsigned long it_base; /* mapped address of tce table */
+ unsigned long it_hint; /* Hint for next alloc */
+ unsigned long *it_map; /* A simple allocation bitmap for now */
+ spinlock_t it_lock; /* Protects it_map */
+ unsigned int it_size; /* Size of iommu table in entries */
+ unsigned char it_busno; /* Bus number this table belongs to */
+ void __iomem *bbar;
+ u64 tar_val;
+ struct timer_list watchdog_timer;
+};
+
+#define TCE_TABLE_SIZE_UNSPECIFIED ~0
+#define TCE_TABLE_SIZE_64K 0
+#define TCE_TABLE_SIZE_128K 1
+#define TCE_TABLE_SIZE_256K 2
+#define TCE_TABLE_SIZE_512K 3
+#define TCE_TABLE_SIZE_1M 4
+#define TCE_TABLE_SIZE_2M 5
+#define TCE_TABLE_SIZE_4M 6
+#define TCE_TABLE_SIZE_8M 7
+
+#ifdef CONFIG_CALGARY_IOMMU
+extern int calgary_iommu_init(void);
+extern void detect_calgary(void);
+#else
+static inline int calgary_iommu_init(void) { return 1; }
+static inline void detect_calgary(void) { return; }
+#endif
+
+static inline unsigned int bus_to_phb(unsigned char busno)
+{
+ return ((busno % 15 == 0) ? 0 : busno / 2 + 1);
+}
+
+#endif /* _ASM_X86_64_CALGARY_H */
diff --git a/include/asm-x86_64/cpufeature.h b/include/asm-x86_64/cpufeature.h
index 662964b74e3..ee792faaca0 100644
--- a/include/asm-x86_64/cpufeature.h
+++ b/include/asm-x86_64/cpufeature.h
@@ -46,6 +46,7 @@
#define X86_FEATURE_SYSCALL (1*32+11) /* SYSCALL/SYSRET */
#define X86_FEATURE_MMXEXT (1*32+22) /* AMD MMX extensions */
#define X86_FEATURE_FXSR_OPT (1*32+25) /* FXSR optimizations */
+#define X86_FEATURE_RDTSCP (1*32+27) /* RDTSCP */
#define X86_FEATURE_LM (1*32+29) /* Long Mode (x86-64) */
#define X86_FEATURE_3DNOWEXT (1*32+30) /* AMD 3DNow! extensions */
#define X86_FEATURE_3DNOW (1*32+31) /* 3DNow! */
@@ -65,6 +66,8 @@
#define X86_FEATURE_CONSTANT_TSC (3*32+5) /* TSC runs at constant rate */
#define X86_FEATURE_SYNC_RDTSC (3*32+6) /* RDTSC syncs CPU core */
#define X86_FEATURE_FXSAVE_LEAK (3*32+7) /* FIP/FOP/FDP leaks through FXSAVE */
+#define X86_FEATURE_UP (3*32+8) /* SMP kernel running on UP */
+#define X86_FEATURE_ARCH_PERFMON (3*32+9) /* Intel Architectural PerfMon */
/* Intel-defined CPU features, CPUID level 0x00000001 (ecx), word 4 */
#define X86_FEATURE_XMM3 (4*32+ 0) /* Streaming SIMD Extensions-3 */
diff --git a/include/asm-x86_64/dma-mapping.h b/include/asm-x86_64/dma-mapping.h
index 498f66df36b..b6da83dcc7a 100644
--- a/include/asm-x86_64/dma-mapping.h
+++ b/include/asm-x86_64/dma-mapping.h
@@ -55,6 +55,13 @@ extern dma_addr_t bad_dma_address;
extern struct dma_mapping_ops* dma_ops;
extern int iommu_merge;
+static inline int valid_dma_direction(int dma_direction)
+{
+ return ((dma_direction == DMA_BIDIRECTIONAL) ||
+ (dma_direction == DMA_TO_DEVICE) ||
+ (dma_direction == DMA_FROM_DEVICE));
+}
+
static inline int dma_mapping_error(dma_addr_t dma_addr)
{
if (dma_ops->mapping_error)
@@ -72,6 +79,7 @@ static inline dma_addr_t
dma_map_single(struct device *hwdev, void *ptr, size_t size,
int direction)
{
+ BUG_ON(!valid_dma_direction(direction));
return dma_ops->map_single(hwdev, ptr, size, direction);
}
@@ -79,6 +87,7 @@ static inline void
dma_unmap_single(struct device *dev, dma_addr_t addr,size_t size,
int direction)
{
+ BUG_ON(!valid_dma_direction(direction));
dma_ops->unmap_single(dev, addr, size, direction);
}
@@ -91,6 +100,7 @@ static inline void
dma_sync_single_for_cpu(struct device *hwdev, dma_addr_t dma_handle,
size_t size, int direction)
{
+ BUG_ON(!valid_dma_direction(direction));
if (dma_ops->sync_single_for_cpu)
dma_ops->sync_single_for_cpu(hwdev, dma_handle, size,
direction);
@@ -101,6 +111,7 @@ static inline void
dma_sync_single_for_device(struct device *hwdev, dma_addr_t dma_handle,
size_t size, int direction)
{
+ BUG_ON(!valid_dma_direction(direction));
if (dma_ops->sync_single_for_device)
dma_ops->sync_single_for_device(hwdev, dma_handle, size,
direction);
@@ -111,6 +122,7 @@ static inline void
dma_sync_single_range_for_cpu(struct device *hwdev, dma_addr_t dma_handle,
unsigned long offset, size_t size, int direction)
{
+ BUG_ON(!valid_dma_direction(direction));
if (dma_ops->sync_single_range_for_cpu) {
dma_ops->sync_single_range_for_cpu(hwdev, dma_handle, offset, size, direction);
}
@@ -122,6 +134,7 @@ static inline void
dma_sync_single_range_for_device(struct device *hwdev, dma_addr_t dma_handle,
unsigned long offset, size_t size, int direction)
{
+ BUG_ON(!valid_dma_direction(direction));
if (dma_ops->sync_single_range_for_device)
dma_ops->sync_single_range_for_device(hwdev, dma_handle,
offset, size, direction);
@@ -133,6 +146,7 @@ static inline void
dma_sync_sg_for_cpu(struct device *hwdev, struct scatterlist *sg,
int nelems, int direction)
{
+ BUG_ON(!valid_dma_direction(direction));
if (dma_ops->sync_sg_for_cpu)
dma_ops->sync_sg_for_cpu(hwdev, sg, nelems, direction);
flush_write_buffers();
@@ -142,6 +156,7 @@ static inline void
dma_sync_sg_for_device(struct device *hwdev, struct scatterlist *sg,
int nelems, int direction)
{
+ BUG_ON(!valid_dma_direction(direction));
if (dma_ops->sync_sg_for_device) {
dma_ops->sync_sg_for_device(hwdev, sg, nelems, direction);
}
@@ -152,6 +167,7 @@ dma_sync_sg_for_device(struct device *hwdev, struct scatterlist *sg,
static inline int
dma_map_sg(struct device *hwdev, struct scatterlist *sg, int nents, int direction)
{
+ BUG_ON(!valid_dma_direction(direction));
return dma_ops->map_sg(hwdev, sg, nents, direction);
}
@@ -159,6 +175,7 @@ static inline void
dma_unmap_sg(struct device *hwdev, struct scatterlist *sg, int nents,
int direction)
{
+ BUG_ON(!valid_dma_direction(direction));
dma_ops->unmap_sg(hwdev, sg, nents, direction);
}
diff --git a/include/asm-x86_64/dma.h b/include/asm-x86_64/dma.h
index c556208d3dd..a37c16f0628 100644
--- a/include/asm-x86_64/dma.h
+++ b/include/asm-x86_64/dma.h
@@ -1,4 +1,4 @@
-/* $Id: dma.h,v 1.1.1.1 2001/04/19 20:00:38 ak Exp $
+/*
* linux/include/asm/dma.h: Defines for using and allocating dma channels.
* Written by Hennus Bergman, 1992.
* High DMA channel support & info by Hannu Savolainen
diff --git a/include/asm-x86_64/gart-mapping.h b/include/asm-x86_64/gart-mapping.h
deleted file mode 100644
index ada497b0b55..00000000000
--- a/include/asm-x86_64/gart-mapping.h
+++ /dev/null
@@ -1,16 +0,0 @@
-#ifndef _X8664_GART_MAPPING_H
-#define _X8664_GART_MAPPING_H 1
-
-#include <linux/types.h>
-#include <asm/types.h>
-
-struct device;
-
-extern void*
-gart_alloc_coherent(struct device *dev, size_t size,
- dma_addr_t *dma_handle, gfp_t gfp);
-
-extern int
-gart_dma_supported(struct device *hwdev, u64 mask);
-
-#endif /* _X8664_GART_MAPPING_H */
diff --git a/include/asm-x86_64/hpet.h b/include/asm-x86_64/hpet.h
index 18ff7ee9e77..b39098408b6 100644
--- a/include/asm-x86_64/hpet.h
+++ b/include/asm-x86_64/hpet.h
@@ -55,7 +55,7 @@
extern int is_hpet_enabled(void);
extern int hpet_rtc_timer_init(void);
-extern int oem_force_hpet_timer(void);
+extern int apic_is_clustered_box(void);
extern int hpet_use_timer;
diff --git a/include/asm-x86_64/hw_irq.h b/include/asm-x86_64/hw_irq.h
index 3de96fd86a7..1b2ac55d320 100644
--- a/include/asm-x86_64/hw_irq.h
+++ b/include/asm-x86_64/hw_irq.h
@@ -12,8 +12,6 @@
* <tomsoft@informatik.tu-chemnitz.de>
*
* hacked by Andi Kleen for x86-64.
- *
- * $Id: hw_irq.h,v 1.24 2001/09/14 20:55:03 vojtech Exp $
*/
#ifndef __ASSEMBLY__
diff --git a/include/asm-x86_64/ia32_unistd.h b/include/asm-x86_64/ia32_unistd.h
index b4f4b172b15..5b52ce50733 100644
--- a/include/asm-x86_64/ia32_unistd.h
+++ b/include/asm-x86_64/ia32_unistd.h
@@ -4,317 +4,15 @@
/*
* This file contains the system call numbers of the ia32 port,
* this is for the kernel only.
+ * Only add syscalls here where some part of the kernel needs to know
+ * the number. This should be otherwise in sync with asm-i386/unistd.h. -AK
*/
#define __NR_ia32_restart_syscall 0
#define __NR_ia32_exit 1
-#define __NR_ia32_fork 2
#define __NR_ia32_read 3
#define __NR_ia32_write 4
-#define __NR_ia32_open 5
-#define __NR_ia32_close 6
-#define __NR_ia32_waitpid 7
-#define __NR_ia32_creat 8
-#define __NR_ia32_link 9
-#define __NR_ia32_unlink 10
-#define __NR_ia32_execve 11
-#define __NR_ia32_chdir 12
-#define __NR_ia32_time 13
-#define __NR_ia32_mknod 14
-#define __NR_ia32_chmod 15
-#define __NR_ia32_lchown 16
-#define __NR_ia32_break 17
-#define __NR_ia32_oldstat 18
-#define __NR_ia32_lseek 19
-#define __NR_ia32_getpid 20
-#define __NR_ia32_mount 21
-#define __NR_ia32_umount 22
-#define __NR_ia32_setuid 23
-#define __NR_ia32_getuid 24
-#define __NR_ia32_stime 25
-#define __NR_ia32_ptrace 26
-#define __NR_ia32_alarm 27
-#define __NR_ia32_oldfstat 28
-#define __NR_ia32_pause 29
-#define __NR_ia32_utime 30
-#define __NR_ia32_stty 31
-#define __NR_ia32_gtty 32
-#define __NR_ia32_access 33
-#define __NR_ia32_nice 34
-#define __NR_ia32_ftime 35
-#define __NR_ia32_sync 36
-#define __NR_ia32_kill 37
-#define __NR_ia32_rename 38
-#define __NR_ia32_mkdir 39
-#define __NR_ia32_rmdir 40
-#define __NR_ia32_dup 41
-#define __NR_ia32_pipe 42
-#define __NR_ia32_times 43
-#define __NR_ia32_prof 44
-#define __NR_ia32_brk 45
-#define __NR_ia32_setgid 46
-#define __NR_ia32_getgid 47
-#define __NR_ia32_signal 48
-#define __NR_ia32_geteuid 49
-#define __NR_ia32_getegid 50
-#define __NR_ia32_acct 51
-#define __NR_ia32_umount2 52
-#define __NR_ia32_lock 53
-#define __NR_ia32_ioctl 54
-#define __NR_ia32_fcntl 55
-#define __NR_ia32_mpx 56
-#define __NR_ia32_setpgid 57
-#define __NR_ia32_ulimit 58
-#define __NR_ia32_oldolduname 59
-#define __NR_ia32_umask 60
-#define __NR_ia32_chroot 61
-#define __NR_ia32_ustat 62
-#define __NR_ia32_dup2 63
-#define __NR_ia32_getppid 64
-#define __NR_ia32_getpgrp 65
-#define __NR_ia32_setsid 66
-#define __NR_ia32_sigaction 67
-#define __NR_ia32_sgetmask 68
-#define __NR_ia32_ssetmask 69
-#define __NR_ia32_setreuid 70
-#define __NR_ia32_setregid 71
-#define __NR_ia32_sigsuspend 72
-#define __NR_ia32_sigpending 73
-#define __NR_ia32_sethostname 74
-#define __NR_ia32_setrlimit 75
-#define __NR_ia32_getrlimit 76 /* Back compatible 2Gig limited rlimit */
-#define __NR_ia32_getrusage 77
-#define __NR_ia32_gettimeofday 78
-#define __NR_ia32_settimeofday 79
-#define __NR_ia32_getgroups 80
-#define __NR_ia32_setgroups 81
-#define __NR_ia32_select 82
-#define __NR_ia32_symlink 83
-#define __NR_ia32_oldlstat 84
-#define __NR_ia32_readlink 85
-#define __NR_ia32_uselib 86
-#define __NR_ia32_swapon 87
-#define __NR_ia32_reboot 88
-#define __NR_ia32_readdir 89
-#define __NR_ia32_mmap 90
-#define __NR_ia32_munmap 91
-#define __NR_ia32_truncate 92
-#define __NR_ia32_ftruncate 93
-#define __NR_ia32_fchmod 94
-#define __NR_ia32_fchown 95
-#define __NR_ia32_getpriority 96
-#define __NR_ia32_setpriority 97
-#define __NR_ia32_profil 98
-#define __NR_ia32_statfs 99
-#define __NR_ia32_fstatfs 100
-#define __NR_ia32_ioperm 101
-#define __NR_ia32_socketcall 102
-#define __NR_ia32_syslog 103
-#define __NR_ia32_setitimer 104
-#define __NR_ia32_getitimer 105
-#define __NR_ia32_stat 106
-#define __NR_ia32_lstat 107
-#define __NR_ia32_fstat 108
-#define __NR_ia32_olduname 109
-#define __NR_ia32_iopl 110
-#define __NR_ia32_vhangup 111
-#define __NR_ia32_idle 112
-#define __NR_ia32_vm86old 113
-#define __NR_ia32_wait4 114
-#define __NR_ia32_swapoff 115
-#define __NR_ia32_sysinfo 116
-#define __NR_ia32_ipc 117
-#define __NR_ia32_fsync 118
-#define __NR_ia32_sigreturn 119
-#define __NR_ia32_clone 120
-#define __NR_ia32_setdomainname 121
-#define __NR_ia32_uname 122
-#define __NR_ia32_modify_ldt 123
-#define __NR_ia32_adjtimex 124
-#define __NR_ia32_mprotect 125
-#define __NR_ia32_sigprocmask 126
-#define __NR_ia32_create_module 127
-#define __NR_ia32_init_module 128
-#define __NR_ia32_delete_module 129
-#define __NR_ia32_get_kernel_syms 130
-#define __NR_ia32_quotactl 131
-#define __NR_ia32_getpgid 132
-#define __NR_ia32_fchdir 133
-#define __NR_ia32_bdflush 134
-#define __NR_ia32_sysfs 135
-#define __NR_ia32_personality 136
-#define __NR_ia32_afs_syscall 137 /* Syscall for Andrew File System */
-#define __NR_ia32_setfsuid 138
-#define __NR_ia32_setfsgid 139
-#define __NR_ia32__llseek 140
-#define __NR_ia32_getdents 141
-#define __NR_ia32__newselect 142
-#define __NR_ia32_flock 143
-#define __NR_ia32_msync 144
-#define __NR_ia32_readv 145
-#define __NR_ia32_writev 146
-#define __NR_ia32_getsid 147
-#define __NR_ia32_fdatasync 148
-#define __NR_ia32__sysctl 149
-#define __NR_ia32_mlock 150
-#define __NR_ia32_munlock 151
-#define __NR_ia32_mlockall 152
-#define __NR_ia32_munlockall 153
-#define __NR_ia32_sched_setparam 154
-#define __NR_ia32_sched_getparam 155
-#define __NR_ia32_sched_setscheduler 156
-#define __NR_ia32_sched_getscheduler 157
-#define __NR_ia32_sched_yield 158
-#define __NR_ia32_sched_get_priority_max 159
-#define __NR_ia32_sched_get_priority_min 160
-#define __NR_ia32_sched_rr_get_interval 161
-#define __NR_ia32_nanosleep 162
-#define __NR_ia32_mremap 163
-#define __NR_ia32_setresuid 164
-#define __NR_ia32_getresuid 165
-#define __NR_ia32_vm86 166
-#define __NR_ia32_query_module 167
-#define __NR_ia32_poll 168
-#define __NR_ia32_nfsservctl 169
-#define __NR_ia32_setresgid 170
-#define __NR_ia32_getresgid 171
-#define __NR_ia32_prctl 172
+#define __NR_ia32_sigreturn 119
#define __NR_ia32_rt_sigreturn 173
-#define __NR_ia32_rt_sigaction 174
-#define __NR_ia32_rt_sigprocmask 175
-#define __NR_ia32_rt_sigpending 176
-#define __NR_ia32_rt_sigtimedwait 177
-#define __NR_ia32_rt_sigqueueinfo 178
-#define __NR_ia32_rt_sigsuspend 179
-#define __NR_ia32_pread 180
-#define __NR_ia32_pwrite 181
-#define __NR_ia32_chown 182
-#define __NR_ia32_getcwd 183
-#define __NR_ia32_capget 184
-#define __NR_ia32_capset 185
-#define __NR_ia32_sigaltstack 186
-#define __NR_ia32_sendfile 187
-#define __NR_ia32_getpmsg 188 /* some people actually want streams */
-#define __NR_ia32_putpmsg 189 /* some people actually want streams */
-#define __NR_ia32_vfork 190
-#define __NR_ia32_ugetrlimit 191 /* SuS compliant getrlimit */
-#define __NR_ia32_mmap2 192
-#define __NR_ia32_truncate64 193
-#define __NR_ia32_ftruncate64 194
-#define __NR_ia32_stat64 195
-#define __NR_ia32_lstat64 196
-#define __NR_ia32_fstat64 197
-#define __NR_ia32_lchown32 198
-#define __NR_ia32_getuid32 199
-#define __NR_ia32_getgid32 200
-#define __NR_ia32_geteuid32 201
-#define __NR_ia32_getegid32 202
-#define __NR_ia32_setreuid32 203
-#define __NR_ia32_setregid32 204
-#define __NR_ia32_getgroups32 205
-#define __NR_ia32_setgroups32 206
-#define __NR_ia32_fchown32 207
-#define __NR_ia32_setresuid32 208
-#define __NR_ia32_getresuid32 209
-#define __NR_ia32_setresgid32 210
-#define __NR_ia32_getresgid32 211
-#define __NR_ia32_chown32 212
-#define __NR_ia32_setuid32 213
-#define __NR_ia32_setgid32 214
-#define __NR_ia32_setfsuid32 215
-#define __NR_ia32_setfsgid32 216
-#define __NR_ia32_pivot_root 217
-#define __NR_ia32_mincore 218
-#define __NR_ia32_madvise 219
-#define __NR_ia32_madvise1 219 /* delete when C lib stub is removed */
-#define __NR_ia32_getdents64 220
-#define __NR_ia32_fcntl64 221
-#define __NR_ia32_tuxcall 222
-#define __NR_ia32_security 223
-#define __NR_ia32_gettid 224
-#define __NR_ia32_readahead 225
-#define __NR_ia32_setxattr 226
-#define __NR_ia32_lsetxattr 227
-#define __NR_ia32_fsetxattr 228
-#define __NR_ia32_getxattr 229
-#define __NR_ia32_lgetxattr 230
-#define __NR_ia32_fgetxattr 231
-#define __NR_ia32_listxattr 232
-#define __NR_ia32_llistxattr 233
-#define __NR_ia32_flistxattr 234
-#define __NR_ia32_removexattr 235
-#define __NR_ia32_lremovexattr 236
-#define __NR_ia32_fremovexattr 237
-#define __NR_ia32_tkill 238
-#define __NR_ia32_sendfile64 239
-#define __NR_ia32_futex 240
-#define __NR_ia32_sched_setaffinity 241
-#define __NR_ia32_sched_getaffinity 242
-#define __NR_ia32_set_thread_area 243
-#define __NR_ia32_get_thread_area 244
-#define __NR_ia32_io_setup 245
-#define __NR_ia32_io_destroy 246
-#define __NR_ia32_io_getevents 247
-#define __NR_ia32_io_submit 248
-#define __NR_ia32_io_cancel 249
-#define __NR_ia32_exit_group 252
-#define __NR_ia32_lookup_dcookie 253
-#define __NR_ia32_sys_epoll_create 254
-#define __NR_ia32_sys_epoll_ctl 255
-#define __NR_ia32_sys_epoll_wait 256
-#define __NR_ia32_remap_file_pages 257
-#define __NR_ia32_set_tid_address 258
-#define __NR_ia32_timer_create 259
-#define __NR_ia32_timer_settime (__NR_ia32_timer_create+1)
-#define __NR_ia32_timer_gettime (__NR_ia32_timer_create+2)
-#define __NR_ia32_timer_getoverrun (__NR_ia32_timer_create+3)
-#define __NR_ia32_timer_delete (__NR_ia32_timer_create+4)
-#define __NR_ia32_clock_settime (__NR_ia32_timer_create+5)
-#define __NR_ia32_clock_gettime (__NR_ia32_timer_create+6)
-#define __NR_ia32_clock_getres (__NR_ia32_timer_create+7)
-#define __NR_ia32_clock_nanosleep (__NR_ia32_timer_create+8)
-#define __NR_ia32_statfs64 268
-#define __NR_ia32_fstatfs64 269
-#define __NR_ia32_tgkill 270
-#define __NR_ia32_utimes 271
-#define __NR_ia32_fadvise64_64 272
-#define __NR_ia32_vserver 273
-#define __NR_ia32_mbind 274
-#define __NR_ia32_get_mempolicy 275
-#define __NR_ia32_set_mempolicy 276
-#define __NR_ia32_mq_open 277
-#define __NR_ia32_mq_unlink (__NR_ia32_mq_open+1)
-#define __NR_ia32_mq_timedsend (__NR_ia32_mq_open+2)
-#define __NR_ia32_mq_timedreceive (__NR_ia32_mq_open+3)
-#define __NR_ia32_mq_notify (__NR_ia32_mq_open+4)
-#define __NR_ia32_mq_getsetattr (__NR_ia32_mq_open+5)
-#define __NR_ia32_kexec 283
-#define __NR_ia32_waitid 284
-/* #define __NR_sys_setaltroot 285 */
-#define __NR_ia32_add_key 286
-#define __NR_ia32_request_key 287
-#define __NR_ia32_keyctl 288
-#define __NR_ia32_ioprio_set 289
-#define __NR_ia32_ioprio_get 290
-#define __NR_ia32_inotify_init 291
-#define __NR_ia32_inotify_add_watch 292
-#define __NR_ia32_inotify_rm_watch 293
-#define __NR_ia32_migrate_pages 294
-#define __NR_ia32_openat 295
-#define __NR_ia32_mkdirat 296
-#define __NR_ia32_mknodat 297
-#define __NR_ia32_fchownat 298
-#define __NR_ia32_futimesat 299
-#define __NR_ia32_fstatat64 300
-#define __NR_ia32_unlinkat 301
-#define __NR_ia32_renameat 302
-#define __NR_ia32_linkat 303
-#define __NR_ia32_symlinkat 304
-#define __NR_ia32_readlinkat 305
-#define __NR_ia32_fchmodat 306
-#define __NR_ia32_faccessat 307
-#define __NR_ia32_pselect6 308
-#define __NR_ia32_ppoll 309
-#define __NR_ia32_unshare 310
#endif /* _ASM_X86_64_IA32_UNISTD_H_ */
diff --git a/include/asm-x86_64/intel_arch_perfmon.h b/include/asm-x86_64/intel_arch_perfmon.h
new file mode 100644
index 00000000000..59c39643156
--- /dev/null
+++ b/include/asm-x86_64/intel_arch_perfmon.h
@@ -0,0 +1,19 @@
+#ifndef X86_64_INTEL_ARCH_PERFMON_H
+#define X86_64_INTEL_ARCH_PERFMON_H 1
+
+#define MSR_ARCH_PERFMON_PERFCTR0 0xc1
+#define MSR_ARCH_PERFMON_PERFCTR1 0xc2
+
+#define MSR_ARCH_PERFMON_EVENTSEL0 0x186
+#define MSR_ARCH_PERFMON_EVENTSEL1 0x187
+
+#define ARCH_PERFMON_EVENTSEL0_ENABLE (1 << 22)
+#define ARCH_PERFMON_EVENTSEL_INT (1 << 20)
+#define ARCH_PERFMON_EVENTSEL_OS (1 << 17)
+#define ARCH_PERFMON_EVENTSEL_USR (1 << 16)
+
+#define ARCH_PERFMON_UNHALTED_CORE_CYCLES_SEL (0x3c)
+#define ARCH_PERFMON_UNHALTED_CORE_CYCLES_UMASK (0x00 << 8)
+#define ARCH_PERFMON_UNHALTED_CORE_CYCLES_PRESENT (1 << 0)
+
+#endif /* X86_64_INTEL_ARCH_PERFMON_H */
diff --git a/include/asm-x86_64/k8.h b/include/asm-x86_64/k8.h
new file mode 100644
index 00000000000..699dd6961ed
--- /dev/null
+++ b/include/asm-x86_64/k8.h
@@ -0,0 +1,14 @@
+#ifndef _ASM_K8_H
+#define _ASM_K8_H 1
+
+#include <linux/pci.h>
+
+extern struct pci_device_id k8_nb_ids[];
+
+extern int early_is_k8_nb(u32 value);
+extern struct pci_dev **k8_northbridges;
+extern int num_k8_northbridges;
+extern int cache_k8_northbridges(void);
+extern void k8_flush_garts(void);
+
+#endif
diff --git a/include/asm-x86_64/local.h b/include/asm-x86_64/local.h
index cd17945bf21..e769e620022 100644
--- a/include/asm-x86_64/local.h
+++ b/include/asm-x86_64/local.h
@@ -59,12 +59,26 @@ static inline void local_sub(long i, local_t *v)
* This could be done better if we moved the per cpu data directly
* after GS.
*/
-#define cpu_local_read(v) local_read(&__get_cpu_var(v))
-#define cpu_local_set(v, i) local_set(&__get_cpu_var(v), (i))
-#define cpu_local_inc(v) local_inc(&__get_cpu_var(v))
-#define cpu_local_dec(v) local_dec(&__get_cpu_var(v))
-#define cpu_local_add(i, v) local_add((i), &__get_cpu_var(v))
-#define cpu_local_sub(i, v) local_sub((i), &__get_cpu_var(v))
+
+/* Need to disable preemption for the cpu local counters otherwise we could
+ still access a variable of a previous CPU in a non atomic way. */
+#define cpu_local_wrap_v(v) \
+ ({ local_t res__; \
+ preempt_disable(); \
+ res__ = (v); \
+ preempt_enable(); \
+ res__; })
+#define cpu_local_wrap(v) \
+ ({ preempt_disable(); \
+ v; \
+ preempt_enable(); }) \
+
+#define cpu_local_read(v) cpu_local_wrap_v(local_read(&__get_cpu_var(v)))
+#define cpu_local_set(v, i) cpu_local_wrap(local_set(&__get_cpu_var(v), (i)))
+#define cpu_local_inc(v) cpu_local_wrap(local_inc(&__get_cpu_var(v)))
+#define cpu_local_dec(v) cpu_local_wrap(local_dec(&__get_cpu_var(v)))
+#define cpu_local_add(i, v) cpu_local_wrap(local_add((i), &__get_cpu_var(v)))
+#define cpu_local_sub(i, v) cpu_local_wrap(local_sub((i), &__get_cpu_var(v)))
#define __cpu_local_inc(v) cpu_local_inc(v)
#define __cpu_local_dec(v) cpu_local_dec(v)
diff --git a/include/asm-x86_64/mce.h b/include/asm-x86_64/mce.h
index 7229785094e..d13687dfd69 100644
--- a/include/asm-x86_64/mce.h
+++ b/include/asm-x86_64/mce.h
@@ -67,13 +67,22 @@ struct mce_log {
/* Software defined banks */
#define MCE_EXTENDED_BANK 128
#define MCE_THERMAL_BANK MCE_EXTENDED_BANK + 0
-#define MCE_THRESHOLD_BASE MCE_EXTENDED_BANK + 1 /* MCE_AMD */
-#define MCE_THRESHOLD_DRAM_ECC MCE_THRESHOLD_BASE + 4
+
+#define K8_MCE_THRESHOLD_BASE (MCE_EXTENDED_BANK + 1) /* MCE_AMD */
+#define K8_MCE_THRESHOLD_BANK_0 (MCE_THRESHOLD_BASE + 0 * 9)
+#define K8_MCE_THRESHOLD_BANK_1 (MCE_THRESHOLD_BASE + 1 * 9)
+#define K8_MCE_THRESHOLD_BANK_2 (MCE_THRESHOLD_BASE + 2 * 9)
+#define K8_MCE_THRESHOLD_BANK_3 (MCE_THRESHOLD_BASE + 3 * 9)
+#define K8_MCE_THRESHOLD_BANK_4 (MCE_THRESHOLD_BASE + 4 * 9)
+#define K8_MCE_THRESHOLD_BANK_5 (MCE_THRESHOLD_BASE + 5 * 9)
+#define K8_MCE_THRESHOLD_DRAM_ECC (MCE_THRESHOLD_BANK_4 + 0)
#ifdef __KERNEL__
#include <asm/atomic.h>
void mce_log(struct mce *m);
+DECLARE_PER_CPU(struct sys_device, device_mce);
+
#ifdef CONFIG_X86_MCE_INTEL
void mce_intel_feature_init(struct cpuinfo_x86 *c);
#else
diff --git a/include/asm-x86_64/mutex.h b/include/asm-x86_64/mutex.h
index 11fbee2bd6c..06fab6de2a8 100644
--- a/include/asm-x86_64/mutex.h
+++ b/include/asm-x86_64/mutex.h
@@ -24,7 +24,7 @@ do { \
typecheck_fn(fastcall void (*)(atomic_t *), fail_fn); \
\
__asm__ __volatile__( \
- LOCK " decl (%%rdi) \n" \
+ LOCK_PREFIX " decl (%%rdi) \n" \
" js 2f \n" \
"1: \n" \
\
@@ -74,7 +74,7 @@ do { \
typecheck_fn(fastcall void (*)(atomic_t *), fail_fn); \
\
__asm__ __volatile__( \
- LOCK " incl (%%rdi) \n" \
+ LOCK_PREFIX " incl (%%rdi) \n" \
" jle 2f \n" \
"1: \n" \
\
diff --git a/include/asm-x86_64/nmi.h b/include/asm-x86_64/nmi.h
index d3abfc6a8fd..efb45c894d7 100644
--- a/include/asm-x86_64/nmi.h
+++ b/include/asm-x86_64/nmi.h
@@ -5,26 +5,27 @@
#define ASM_NMI_H
#include <linux/pm.h>
+#include <asm/io.h>
struct pt_regs;
-
+
typedef int (*nmi_callback_t)(struct pt_regs * regs, int cpu);
-
-/**
+
+/**
* set_nmi_callback
*
* Set a handler for an NMI. Only one handler may be
* set. Return 1 if the NMI was handled.
*/
void set_nmi_callback(nmi_callback_t callback);
-
-/**
+
+/**
* unset_nmi_callback
*
* Remove the handler previously set.
*/
void unset_nmi_callback(void);
-
+
#ifdef CONFIG_PM
/** Replace the PM callback routine for NMI. */
@@ -56,4 +57,21 @@ extern int unknown_nmi_panic;
extern int check_nmi_watchdog(void);
+extern void setup_apic_nmi_watchdog (void);
+extern int reserve_lapic_nmi(void);
+extern void release_lapic_nmi(void);
+extern void disable_timer_nmi_watchdog(void);
+extern void enable_timer_nmi_watchdog(void);
+extern void nmi_watchdog_tick (struct pt_regs * regs, unsigned reason);
+
+extern void nmi_watchdog_default(void);
+extern int setup_nmi_watchdog(char *);
+
+extern unsigned int nmi_watchdog;
+#define NMI_DEFAULT -1
+#define NMI_NONE 0
+#define NMI_IO_APIC 1
+#define NMI_LOCAL_APIC 2
+#define NMI_INVALID 3
+
#endif /* ASM_NMI_H */
diff --git a/include/asm-x86_64/pci.h b/include/asm-x86_64/pci.h
index 2db0620d544..49c5e928059 100644
--- a/include/asm-x86_64/pci.h
+++ b/include/asm-x86_64/pci.h
@@ -39,8 +39,8 @@ int pcibios_set_irq_routing(struct pci_dev *dev, int pin, int irq);
#include <asm/scatterlist.h>
#include <linux/string.h>
#include <asm/page.h>
-#include <linux/dma-mapping.h> /* for have_iommu */
+extern void pci_iommu_alloc(void);
extern int iommu_setup(char *opt);
/* The PCI address space does equal the physical memory
@@ -52,7 +52,7 @@ extern int iommu_setup(char *opt);
*/
#define PCI_DMA_BUS_IS_PHYS (dma_ops->is_phys)
-#ifdef CONFIG_GART_IOMMU
+#if defined(CONFIG_IOMMU) || defined(CONFIG_CALGARY_IOMMU)
/*
* x86-64 always supports DAC, but sometimes it is useful to force
diff --git a/include/asm-x86_64/pgtable.h b/include/asm-x86_64/pgtable.h
index 31e83c3bd02..a31ab4e68a9 100644
--- a/include/asm-x86_64/pgtable.h
+++ b/include/asm-x86_64/pgtable.h
@@ -337,14 +337,8 @@ static inline int pmd_large(pmd_t pte) {
/* to find an entry in a page-table-directory. */
#define pud_index(address) (((address) >> PUD_SHIFT) & (PTRS_PER_PUD-1))
#define pud_offset(pgd, address) ((pud_t *) pgd_page(*(pgd)) + pud_index(address))
-#define pud_offset_k(pgd, addr) pud_offset(pgd, addr)
#define pud_present(pud) (pud_val(pud) & _PAGE_PRESENT)
-static inline pud_t *__pud_offset_k(pud_t *pud, unsigned long address)
-{
- return pud + pud_index(address);
-}
-
/* PMD - Level 2 access */
#define pmd_page_kernel(pmd) ((unsigned long) __va(pmd_val(pmd) & PTE_MASK))
#define pmd_page(pmd) (pfn_to_page(pmd_val(pmd) >> PAGE_SHIFT))
diff --git a/include/asm-x86_64/processor.h b/include/asm-x86_64/processor.h
index 3061a38a3b1..3b3c1217fe6 100644
--- a/include/asm-x86_64/processor.h
+++ b/include/asm-x86_64/processor.h
@@ -69,7 +69,11 @@ struct cpuinfo_x86 {
cpumask_t llc_shared_map; /* cpus sharing the last level cache */
#endif
__u8 apicid;
+#ifdef CONFIG_SMP
__u8 booted_cores; /* number of cores as seen by OS */
+ __u8 phys_proc_id; /* Physical Processor id. */
+ __u8 cpu_core_id; /* Core id. */
+#endif
} ____cacheline_aligned;
#define X86_VENDOR_INTEL 0
@@ -96,6 +100,7 @@ extern char ignore_irq13;
extern void identify_cpu(struct cpuinfo_x86 *);
extern void print_cpu_info(struct cpuinfo_x86 *);
extern unsigned int init_intel_cacheinfo(struct cpuinfo_x86 *c);
+extern unsigned short num_cache_leaves;
/*
* EFLAGS bits
diff --git a/include/asm-x86_64/proto.h b/include/asm-x86_64/proto.h
index 8abf2a43c94..038fe1f47e6 100644
--- a/include/asm-x86_64/proto.h
+++ b/include/asm-x86_64/proto.h
@@ -37,7 +37,6 @@ extern void ia32_sysenter_target(void);
extern void config_acpi_tables(void);
extern void ia32_syscall(void);
-extern void iommu_hole_init(void);
extern int pmtimer_mark_offset(void);
extern void pmtimer_resume(void);
@@ -75,7 +74,7 @@ extern void main_timer_handler(struct pt_regs *regs);
extern unsigned long end_pfn_map;
-extern void show_trace(unsigned long * rsp);
+extern void show_trace(struct task_struct *, struct pt_regs *, unsigned long * rsp);
extern void show_registers(struct pt_regs *regs);
extern void exception_table_check(void);
@@ -101,13 +100,9 @@ extern int unsynchronized_tsc(void);
extern void select_idle_routine(const struct cpuinfo_x86 *c);
-extern void gart_parse_options(char *);
-extern void __init no_iommu_init(void);
-
extern unsigned long table_start, table_end;
extern int exception_trace;
-extern int force_iommu, no_iommu;
extern int using_apic_timer;
extern int disable_apic;
extern unsigned cpu_khz;
@@ -116,7 +111,13 @@ extern int skip_ioapic_setup;
extern int acpi_ht;
extern int acpi_disabled;
-#ifdef CONFIG_GART_IOMMU
+extern void no_iommu_init(void);
+extern int force_iommu, no_iommu;
+extern int iommu_detected;
+#ifdef CONFIG_IOMMU
+extern void gart_iommu_init(void);
+extern void gart_parse_options(char *);
+extern void iommu_hole_init(void);
extern int fallback_aper_order;
extern int fallback_aper_force;
extern int iommu_aperture;
diff --git a/include/asm-x86_64/rwlock.h b/include/asm-x86_64/rwlock.h
index 9942cc39306..dea0e945926 100644
--- a/include/asm-x86_64/rwlock.h
+++ b/include/asm-x86_64/rwlock.h
@@ -24,7 +24,7 @@
#define RW_LOCK_BIAS_STR "0x01000000"
#define __build_read_lock_ptr(rw, helper) \
- asm volatile(LOCK "subl $1,(%0)\n\t" \
+ asm volatile(LOCK_PREFIX "subl $1,(%0)\n\t" \
"js 2f\n" \
"1:\n" \
LOCK_SECTION_START("") \
@@ -34,7 +34,7 @@
::"a" (rw) : "memory")
#define __build_read_lock_const(rw, helper) \
- asm volatile(LOCK "subl $1,%0\n\t" \
+ asm volatile(LOCK_PREFIX "subl $1,%0\n\t" \
"js 2f\n" \
"1:\n" \
LOCK_SECTION_START("") \
@@ -54,7 +54,7 @@
} while (0)
#define __build_write_lock_ptr(rw, helper) \
- asm volatile(LOCK "subl $" RW_LOCK_BIAS_STR ",(%0)\n\t" \
+ asm volatile(LOCK_PREFIX "subl $" RW_LOCK_BIAS_STR ",(%0)\n\t" \
"jnz 2f\n" \
"1:\n" \
LOCK_SECTION_START("") \
@@ -64,7 +64,7 @@
::"a" (rw) : "memory")
#define __build_write_lock_const(rw, helper) \
- asm volatile(LOCK "subl $" RW_LOCK_BIAS_STR ",%0\n\t" \
+ asm volatile(LOCK_PREFIX "subl $" RW_LOCK_BIAS_STR ",%0\n\t" \
"jnz 2f\n" \
"1:\n" \
LOCK_SECTION_START("") \
diff --git a/include/asm-x86_64/semaphore.h b/include/asm-x86_64/semaphore.h
index a389aa6fe80..064df08b9a0 100644
--- a/include/asm-x86_64/semaphore.h
+++ b/include/asm-x86_64/semaphore.h
@@ -106,7 +106,7 @@ static inline void down(struct semaphore * sem)
__asm__ __volatile__(
"# atomic down operation\n\t"
- LOCK "decl %0\n\t" /* --sem->count */
+ LOCK_PREFIX "decl %0\n\t" /* --sem->count */
"js 2f\n"
"1:\n"
LOCK_SECTION_START("")
@@ -130,7 +130,7 @@ static inline int down_interruptible(struct semaphore * sem)
__asm__ __volatile__(
"# atomic interruptible down operation\n\t"
- LOCK "decl %1\n\t" /* --sem->count */
+ LOCK_PREFIX "decl %1\n\t" /* --sem->count */
"js 2f\n\t"
"xorl %0,%0\n"
"1:\n"
@@ -154,7 +154,7 @@ static inline int down_trylock(struct semaphore * sem)
__asm__ __volatile__(
"# atomic interruptible down operation\n\t"
- LOCK "decl %1\n\t" /* --sem->count */
+ LOCK_PREFIX "decl %1\n\t" /* --sem->count */
"js 2f\n\t"
"xorl %0,%0\n"
"1:\n"
@@ -178,7 +178,7 @@ static inline void up(struct semaphore * sem)
{
__asm__ __volatile__(
"# atomic up operation\n\t"
- LOCK "incl %0\n\t" /* ++sem->count */
+ LOCK_PREFIX "incl %0\n\t" /* ++sem->count */
"jle 2f\n"
"1:\n"
LOCK_SECTION_START("")
diff --git a/include/asm-x86_64/smp.h b/include/asm-x86_64/smp.h
index 7686b9b25ae..6805e1feb30 100644
--- a/include/asm-x86_64/smp.h
+++ b/include/asm-x86_64/smp.h
@@ -53,8 +53,6 @@ extern int smp_call_function_single(int cpuid, void (*func) (void *info),
extern cpumask_t cpu_sibling_map[NR_CPUS];
extern cpumask_t cpu_core_map[NR_CPUS];
-extern u8 phys_proc_id[NR_CPUS];
-extern u8 cpu_core_id[NR_CPUS];
extern u8 cpu_llc_id[NR_CPUS];
#define SMP_TRAMPOLINE_BASE 0x6000
diff --git a/include/asm-x86_64/spinlock.h b/include/asm-x86_64/spinlock.h
index 5d8a5e3589f..8d3421996f9 100644
--- a/include/asm-x86_64/spinlock.h
+++ b/include/asm-x86_64/spinlock.h
@@ -31,15 +31,19 @@
"jmp 1b\n" \
LOCK_SECTION_END
+#define __raw_spin_lock_string_up \
+ "\n\tdecl %0"
+
#define __raw_spin_unlock_string \
"movl $1,%0" \
:"=m" (lock->slock) : : "memory"
static inline void __raw_spin_lock(raw_spinlock_t *lock)
{
- __asm__ __volatile__(
- __raw_spin_lock_string
- :"=m" (lock->slock) : : "memory");
+ alternative_smp(
+ __raw_spin_lock_string,
+ __raw_spin_lock_string_up,
+ "=m" (lock->slock) : : "memory");
}
#define __raw_spin_lock_flags(lock, flags) __raw_spin_lock(lock)
diff --git a/include/asm-x86_64/string.h b/include/asm-x86_64/string.h
index ee6bf275349..9505d9f4bea 100644
--- a/include/asm-x86_64/string.h
+++ b/include/asm-x86_64/string.h
@@ -6,7 +6,8 @@
/* Written 2002 by Andi Kleen */
/* Only used for special circumstances. Stolen from i386/string.h */
-static inline void * __inline_memcpy(void * to, const void * from, size_t n)
+static __always_inline void *
+__inline_memcpy(void * to, const void * from, size_t n)
{
unsigned long d0, d1, d2;
__asm__ __volatile__(
diff --git a/include/asm-x86_64/system.h b/include/asm-x86_64/system.h
index f48e0dad8b3..68e559f3631 100644
--- a/include/asm-x86_64/system.h
+++ b/include/asm-x86_64/system.h
@@ -3,15 +3,10 @@
#include <linux/kernel.h>
#include <asm/segment.h>
+#include <asm/alternative.h>
#ifdef __KERNEL__
-#ifdef CONFIG_SMP
-#define LOCK_PREFIX "lock ; "
-#else
-#define LOCK_PREFIX ""
-#endif
-
#define __STR(x) #x
#define STR(x) __STR(x)
@@ -34,7 +29,7 @@
"thread_return:\n\t" \
"movq %%gs:%P[pda_pcurrent],%%rsi\n\t" \
"movq %P[thread_info](%%rsi),%%r8\n\t" \
- LOCK "btr %[tif_fork],%P[ti_flags](%%r8)\n\t" \
+ LOCK_PREFIX "btr %[tif_fork],%P[ti_flags](%%r8)\n\t" \
"movq %%rax,%%rdi\n\t" \
"jc ret_from_fork\n\t" \
RESTORE_CONTEXT \
@@ -69,82 +64,6 @@ extern void load_gs_index(unsigned);
".previous" \
: :"r" (value), "r" (0))
-#ifdef __KERNEL__
-struct alt_instr {
- __u8 *instr; /* original instruction */
- __u8 *replacement;
- __u8 cpuid; /* cpuid bit set for replacement */
- __u8 instrlen; /* length of original instruction */
- __u8 replacementlen; /* length of new instruction, <= instrlen */
- __u8 pad[5];
-};
-#endif
-
-/*
- * Alternative instructions for different CPU types or capabilities.
- *
- * This allows to use optimized instructions even on generic binary
- * kernels.
- *
- * length of oldinstr must be longer or equal the length of newinstr
- * It can be padded with nops as needed.
- *
- * For non barrier like inlines please define new variants
- * without volatile and memory clobber.
- */
-#define alternative(oldinstr, newinstr, feature) \
- asm volatile ("661:\n\t" oldinstr "\n662:\n" \
- ".section .altinstructions,\"a\"\n" \
- " .align 8\n" \
- " .quad 661b\n" /* label */ \
- " .quad 663f\n" /* new instruction */ \
- " .byte %c0\n" /* feature bit */ \
- " .byte 662b-661b\n" /* sourcelen */ \
- " .byte 664f-663f\n" /* replacementlen */ \
- ".previous\n" \
- ".section .altinstr_replacement,\"ax\"\n" \
- "663:\n\t" newinstr "\n664:\n" /* replacement */ \
- ".previous" :: "i" (feature) : "memory")
-
-/*
- * Alternative inline assembly with input.
- *
- * Peculiarities:
- * No memory clobber here.
- * Argument numbers start with 1.
- * Best is to use constraints that are fixed size (like (%1) ... "r")
- * If you use variable sized constraints like "m" or "g" in the
- * replacement make sure to pad to the worst case length.
- */
-#define alternative_input(oldinstr, newinstr, feature, input...) \
- asm volatile ("661:\n\t" oldinstr "\n662:\n" \
- ".section .altinstructions,\"a\"\n" \
- " .align 8\n" \
- " .quad 661b\n" /* label */ \
- " .quad 663f\n" /* new instruction */ \
- " .byte %c0\n" /* feature bit */ \
- " .byte 662b-661b\n" /* sourcelen */ \
- " .byte 664f-663f\n" /* replacementlen */ \
- ".previous\n" \
- ".section .altinstr_replacement,\"ax\"\n" \
- "663:\n\t" newinstr "\n664:\n" /* replacement */ \
- ".previous" :: "i" (feature), ##input)
-
-/* Like alternative_input, but with a single output argument */
-#define alternative_io(oldinstr, newinstr, feature, output, input...) \
- asm volatile ("661:\n\t" oldinstr "\n662:\n" \
- ".section .altinstructions,\"a\"\n" \
- " .align 8\n" \
- " .quad 661b\n" /* label */ \
- " .quad 663f\n" /* new instruction */ \
- " .byte %c[feat]\n" /* feature bit */ \
- " .byte 662b-661b\n" /* sourcelen */ \
- " .byte 664f-663f\n" /* replacementlen */ \
- ".previous\n" \
- ".section .altinstr_replacement,\"ax\"\n" \
- "663:\n\t" newinstr "\n664:\n" /* replacement */ \
- ".previous" : output : [feat] "i" (feature), ##input)
-
/*
* Clear and set 'TS' bit respectively
*/
@@ -366,5 +285,6 @@ static inline unsigned long __cmpxchg(volatile void *ptr, unsigned long old,
void cpu_idle_wait(void);
extern unsigned long arch_align_stack(unsigned long sp);
+extern void free_init_pages(char *what, unsigned long begin, unsigned long end);
#endif
diff --git a/include/asm-x86_64/tce.h b/include/asm-x86_64/tce.h
new file mode 100644
index 00000000000..ee51d31528d
--- /dev/null
+++ b/include/asm-x86_64/tce.h
@@ -0,0 +1,47 @@
+/*
+ * Copyright (C) 2006 Muli Ben-Yehuda <muli@il.ibm.com>, IBM Corporation
+ * Copyright (C) 2006 Jon Mason <jdmason@us.ibm.com>, IBM Corporation
+ *
+ * This file is derived from asm-powerpc/tce.h.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef _ASM_X86_64_TCE_H
+#define _ASM_X86_64_TCE_H
+
+extern void* tce_table_kva[];
+extern unsigned int specified_table_size;
+struct iommu_table;
+
+#define TCE_ENTRY_SIZE 8 /* in bytes */
+
+#define TCE_READ_SHIFT 0
+#define TCE_WRITE_SHIFT 1
+#define TCE_HUBID_SHIFT 2 /* unused */
+#define TCE_RSVD_SHIFT 8 /* unused */
+#define TCE_RPN_SHIFT 12
+#define TCE_UNUSED_SHIFT 48 /* unused */
+
+#define TCE_RPN_MASK 0x0000fffffffff000ULL
+
+extern void tce_build(struct iommu_table *tbl, unsigned long index,
+ unsigned int npages, unsigned long uaddr, int direction);
+extern void tce_free(struct iommu_table *tbl, long index, unsigned int npages);
+extern void* alloc_tce_table(void);
+extern void free_tce_table(void *tbl);
+extern int build_tce_table(struct pci_dev *dev, void __iomem *bbar);
+
+#endif /* _ASM_X86_64_TCE_H */
diff --git a/include/asm-x86_64/thread_info.h b/include/asm-x86_64/thread_info.h
index 4ac0e0a3693..2029b00351f 100644
--- a/include/asm-x86_64/thread_info.h
+++ b/include/asm-x86_64/thread_info.h
@@ -73,8 +73,21 @@ static inline struct thread_info *stack_thread_info(void)
}
/* thread information allocation */
+#ifdef CONFIG_DEBUG_STACK_USAGE
+#define alloc_thread_info(tsk) \
+ ({ \
+ struct thread_info *ret; \
+ \
+ ret = ((struct thread_info *) __get_free_pages(GFP_KERNEL,THREAD_ORDER)); \
+ if (ret) \
+ memset(ret, 0, THREAD_SIZE); \
+ ret; \
+ })
+#else
#define alloc_thread_info(tsk) \
((struct thread_info *) __get_free_pages(GFP_KERNEL,THREAD_ORDER))
+#endif
+
#define free_thread_info(ti) free_pages((unsigned long) (ti), THREAD_ORDER)
#else /* !__ASSEMBLY__ */
@@ -101,7 +114,7 @@ static inline struct thread_info *stack_thread_info(void)
#define TIF_IRET 5 /* force IRET */
#define TIF_SYSCALL_AUDIT 7 /* syscall auditing active */
#define TIF_SECCOMP 8 /* secure computing */
-#define TIF_POLLING_NRFLAG 16 /* true if poll_idle() is polling TIF_NEED_RESCHED */
+/* 16 free */
#define TIF_IA32 17 /* 32bit process */
#define TIF_FORK 18 /* ret_from_fork */
#define TIF_ABI_PENDING 19
@@ -115,7 +128,6 @@ static inline struct thread_info *stack_thread_info(void)
#define _TIF_IRET (1<<TIF_IRET)
#define _TIF_SYSCALL_AUDIT (1<<TIF_SYSCALL_AUDIT)
#define _TIF_SECCOMP (1<<TIF_SECCOMP)
-#define _TIF_POLLING_NRFLAG (1<<TIF_POLLING_NRFLAG)
#define _TIF_IA32 (1<<TIF_IA32)
#define _TIF_FORK (1<<TIF_FORK)
#define _TIF_ABI_PENDING (1<<TIF_ABI_PENDING)
@@ -137,6 +149,9 @@ static inline struct thread_info *stack_thread_info(void)
*/
#define TS_USEDFPU 0x0001 /* FPU was used by this task this quantum (SMP) */
#define TS_COMPAT 0x0002 /* 32bit syscall active */
+#define TS_POLLING 0x0004 /* true if in idle loop and not sleeping */
+
+#define tsk_is_polling(t) ((t)->thread_info->status & TS_POLLING)
#endif /* __KERNEL__ */
diff --git a/include/asm-x86_64/topology.h b/include/asm-x86_64/topology.h
index 80c4e44d011..c4e46e7fa7b 100644
--- a/include/asm-x86_64/topology.h
+++ b/include/asm-x86_64/topology.h
@@ -7,8 +7,6 @@
#include <asm/mpspec.h>
#include <asm/bitops.h>
-/* Map the K8 CPU local memory controllers to a simple 1:1 CPU:NODE topology */
-
extern cpumask_t cpu_online_map;
extern unsigned char cpu_to_node[];
@@ -57,10 +55,8 @@ extern int __node_distance(int, int);
#endif
#ifdef CONFIG_SMP
-#define topology_physical_package_id(cpu) \
- (phys_proc_id[cpu] == BAD_APICID ? -1 : phys_proc_id[cpu])
-#define topology_core_id(cpu) \
- (cpu_core_id[cpu] == BAD_APICID ? 0 : cpu_core_id[cpu])
+#define topology_physical_package_id(cpu) (cpu_data[cpu].phys_proc_id)
+#define topology_core_id(cpu) (cpu_data[cpu].cpu_core_id)
#define topology_core_siblings(cpu) (cpu_core_map[cpu])
#define topology_thread_siblings(cpu) (cpu_sibling_map[cpu])
#endif
diff --git a/include/asm-x86_64/unwind.h b/include/asm-x86_64/unwind.h
new file mode 100644
index 00000000000..f3e7124effe
--- /dev/null
+++ b/include/asm-x86_64/unwind.h
@@ -0,0 +1,106 @@
+#ifndef _ASM_X86_64_UNWIND_H
+#define _ASM_X86_64_UNWIND_H
+
+/*
+ * Copyright (C) 2002-2006 Novell, Inc.
+ * Jan Beulich <jbeulich@novell.com>
+ * This code is released under version 2 of the GNU GPL.
+ */
+
+#ifdef CONFIG_STACK_UNWIND
+
+#include <linux/sched.h>
+#include <asm/ptrace.h>
+#include <asm/uaccess.h>
+#include <asm/vsyscall.h>
+
+struct unwind_frame_info
+{
+ struct pt_regs regs;
+ struct task_struct *task;
+};
+
+#define UNW_PC(frame) (frame)->regs.rip
+#define UNW_SP(frame) (frame)->regs.rsp
+#ifdef CONFIG_FRAME_POINTER
+#define UNW_FP(frame) (frame)->regs.rbp
+#define FRAME_RETADDR_OFFSET 8
+#define FRAME_LINK_OFFSET 0
+#define STACK_BOTTOM(tsk) (((tsk)->thread.rsp0 - 1) & ~(THREAD_SIZE - 1))
+#define STACK_TOP(tsk) ((tsk)->thread.rsp0)
+#endif
+/* Might need to account for the special exception and interrupt handling
+ stacks here, since normally
+ EXCEPTION_STACK_ORDER < THREAD_ORDER < IRQSTACK_ORDER,
+ but the construct is needed only for getting across the stack switch to
+ the interrupt stack - thus considering the IRQ stack itself is unnecessary,
+ and the overhead of comparing against all exception handling stacks seems
+ not desirable. */
+#define STACK_LIMIT(ptr) (((ptr) - 1) & ~(THREAD_SIZE - 1))
+
+#define UNW_REGISTER_INFO \
+ PTREGS_INFO(rax), \
+ PTREGS_INFO(rdx), \
+ PTREGS_INFO(rcx), \
+ PTREGS_INFO(rbx), \
+ PTREGS_INFO(rsi), \
+ PTREGS_INFO(rdi), \
+ PTREGS_INFO(rbp), \
+ PTREGS_INFO(rsp), \
+ PTREGS_INFO(r8), \
+ PTREGS_INFO(r9), \
+ PTREGS_INFO(r10), \
+ PTREGS_INFO(r11), \
+ PTREGS_INFO(r12), \
+ PTREGS_INFO(r13), \
+ PTREGS_INFO(r14), \
+ PTREGS_INFO(r15), \
+ PTREGS_INFO(rip)
+
+static inline void arch_unw_init_frame_info(struct unwind_frame_info *info,
+ /*const*/ struct pt_regs *regs)
+{
+ info->regs = *regs;
+}
+
+static inline void arch_unw_init_blocked(struct unwind_frame_info *info)
+{
+ extern const char thread_return[];
+
+ memset(&info->regs, 0, sizeof(info->regs));
+ info->regs.rip = (unsigned long)thread_return;
+ info->regs.cs = __KERNEL_CS;
+ __get_user(info->regs.rbp, (unsigned long *)info->task->thread.rsp);
+ info->regs.rsp = info->task->thread.rsp;
+ info->regs.ss = __KERNEL_DS;
+}
+
+extern int arch_unwind_init_running(struct unwind_frame_info *,
+ int (*callback)(struct unwind_frame_info *,
+ void *arg),
+ void *arg);
+
+static inline int arch_unw_user_mode(const struct unwind_frame_info *info)
+{
+#if 0 /* This can only work when selector register saves/restores
+ are properly annotated (and tracked in UNW_REGISTER_INFO). */
+ return user_mode(&info->regs);
+#else
+ return (long)info->regs.rip >= 0
+ || (info->regs.rip >= VSYSCALL_START && info->regs.rip < VSYSCALL_END)
+ || (long)info->regs.rsp >= 0;
+#endif
+}
+
+#else
+
+#define UNW_PC(frame) ((void)(frame), 0)
+
+static inline int arch_unw_user_mode(const void *info)
+{
+ return 0;
+}
+
+#endif
+
+#endif /* _ASM_X86_64_UNWIND_H */
diff --git a/include/linux/bitmap.h b/include/linux/bitmap.h
index d9ed2796985..dcc5de7cc48 100644
--- a/include/linux/bitmap.h
+++ b/include/linux/bitmap.h
@@ -24,6 +24,9 @@
* The available bitmap operations and their rough meaning in the
* case that the bitmap is a single unsigned long are thus:
*
+ * Note that nbits should be always a compile time evaluable constant.
+ * Otherwise many inlines will generate horrible code.
+ *
* bitmap_zero(dst, nbits) *dst = 0UL
* bitmap_fill(dst, nbits) *dst = ~0UL
* bitmap_copy(dst, src, nbits) *dst = *src
@@ -244,6 +247,8 @@ static inline int bitmap_full(const unsigned long *src, int nbits)
static inline int bitmap_weight(const unsigned long *src, int nbits)
{
+ if (nbits <= BITS_PER_LONG)
+ return hweight_long(*src & BITMAP_LAST_WORD_MASK(nbits));
return __bitmap_weight(src, nbits);
}
diff --git a/include/linux/compat.h b/include/linux/compat.h
index dda1697ec75..9760753e662 100644
--- a/include/linux/compat.h
+++ b/include/linux/compat.h
@@ -226,5 +226,7 @@ static inline int compat_timespec_compare(struct compat_timespec *lhs,
asmlinkage long compat_sys_adjtimex(struct compat_timex __user *utp);
+extern int compat_printk(const char *fmt, ...);
+
#endif /* CONFIG_COMPAT */
#endif /* _LINUX_COMPAT_H */
diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index 3c5e4c2e517..5c1ec1f84ea 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -32,6 +32,7 @@ extern const char linux_banner[];
#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
#define ALIGN(x,a) (((x)+(a)-1)&~((a)-1))
+#define FIELD_SIZEOF(t, f) (sizeof(((t*)0)->f))
#define KERN_EMERG "<0>" /* system is unusable */
#define KERN_ALERT "<1>" /* action must be taken immediately */
@@ -336,6 +337,12 @@ struct sysinfo {
/* Force a compilation error if condition is true */
#define BUILD_BUG_ON(condition) ((void)sizeof(char[1 - 2*!!(condition)]))
+/* Force a compilation error if condition is true, but also produce a
+ result (of value 0 and type size_t), so the expression can be used
+ e.g. in a structure initializer (or where-ever else comma expressions
+ aren't permitted). */
+#define BUILD_BUG_ON_ZERO(e) (sizeof(char[1 - 2 * !!(e)]) - 1)
+
/* Trap pasters of __FUNCTION__ at compile-time */
#define __FUNCTION__ (__func__)
diff --git a/include/linux/module.h b/include/linux/module.h
index 2d366098eab..9ebbb74b7b7 100644
--- a/include/linux/module.h
+++ b/include/linux/module.h
@@ -285,6 +285,9 @@ struct module
/* The size of the executable code in each section. */
unsigned long init_text_size, core_text_size;
+ /* The handle returned from unwind_add_table. */
+ void *unwind_info;
+
/* Arch-specific module values */
struct mod_arch_specific arch;
diff --git a/include/linux/sysctl.h b/include/linux/sysctl.h
index 6a60770984e..349ef908a22 100644
--- a/include/linux/sysctl.h
+++ b/include/linux/sysctl.h
@@ -148,9 +148,11 @@ enum
KERN_SPIN_RETRY=70, /* int: number of spinlock retries */
KERN_ACPI_VIDEO_FLAGS=71, /* int: flags for setting up video after ACPI sleep */
KERN_IA64_UNALIGNED=72, /* int: ia64 unaligned userland trap enable */
+ KERN_COMPAT_LOG=73, /* int: print compat layer messages */
};
+
/* CTL_VM names: */
enum
{
diff --git a/include/linux/time.h b/include/linux/time.h
index 65dd85b2105..c05f8bb9a32 100644
--- a/include/linux/time.h
+++ b/include/linux/time.h
@@ -28,10 +28,13 @@ struct timezone {
#ifdef __KERNEL__
/* Parameters used to convert the timespec values: */
-#define MSEC_PER_SEC 1000L
-#define USEC_PER_SEC 1000000L
-#define NSEC_PER_SEC 1000000000L
-#define NSEC_PER_USEC 1000L
+#define MSEC_PER_SEC 1000L
+#define USEC_PER_MSEC 1000L
+#define NSEC_PER_USEC 1000L
+#define NSEC_PER_MSEC 1000000L
+#define USEC_PER_SEC 1000000L
+#define NSEC_PER_SEC 1000000000L
+#define FSEC_PER_SEC 1000000000000000L
static inline int timespec_equal(struct timespec *a, struct timespec *b)
{
diff --git a/include/linux/unwind.h b/include/linux/unwind.h
new file mode 100644
index 00000000000..ce48e2cd37a
--- /dev/null
+++ b/include/linux/unwind.h
@@ -0,0 +1,127 @@
+#ifndef _LINUX_UNWIND_H
+#define _LINUX_UNWIND_H
+
+/*
+ * Copyright (C) 2002-2006 Novell, Inc.
+ * Jan Beulich <jbeulich@novell.com>
+ * This code is released under version 2 of the GNU GPL.
+ *
+ * A simple API for unwinding kernel stacks. This is used for
+ * debugging and error reporting purposes. The kernel doesn't need
+ * full-blown stack unwinding with all the bells and whistles, so there
+ * is not much point in implementing the full Dwarf2 unwind API.
+ */
+
+#include <linux/config.h>
+
+struct module;
+
+#ifdef CONFIG_STACK_UNWIND
+
+#include <asm/unwind.h>
+
+#ifndef ARCH_UNWIND_SECTION_NAME
+#define ARCH_UNWIND_SECTION_NAME ".eh_frame"
+#endif
+
+/*
+ * Initialize unwind support.
+ */
+extern void unwind_init(void);
+
+#ifdef CONFIG_MODULES
+
+extern void *unwind_add_table(struct module *,
+ const void *table_start,
+ unsigned long table_size);
+
+extern void unwind_remove_table(void *handle, int init_only);
+
+#endif
+
+extern int unwind_init_frame_info(struct unwind_frame_info *,
+ struct task_struct *,
+ /*const*/ struct pt_regs *);
+
+/*
+ * Prepare to unwind a blocked task.
+ */
+extern int unwind_init_blocked(struct unwind_frame_info *,
+ struct task_struct *);
+
+/*
+ * Prepare to unwind the currently running thread.
+ */
+extern int unwind_init_running(struct unwind_frame_info *,
+ asmlinkage int (*callback)(struct unwind_frame_info *,
+ void *arg),
+ void *arg);
+
+/*
+ * Unwind to previous to frame. Returns 0 if successful, negative
+ * number in case of an error.
+ */
+extern int unwind(struct unwind_frame_info *);
+
+/*
+ * Unwind until the return pointer is in user-land (or until an error
+ * occurs). Returns 0 if successful, negative number in case of
+ * error.
+ */
+extern int unwind_to_user(struct unwind_frame_info *);
+
+#else
+
+struct unwind_frame_info {};
+
+static inline void unwind_init(void) {}
+
+#ifdef CONFIG_MODULES
+
+static inline void *unwind_add_table(struct module *mod,
+ const void *table_start,
+ unsigned long table_size)
+{
+ return NULL;
+}
+
+#endif
+
+static inline void unwind_remove_table(void *handle, int init_only)
+{
+}
+
+static inline int unwind_init_frame_info(struct unwind_frame_info *info,
+ struct task_struct *tsk,
+ const struct pt_regs *regs)
+{
+ return -ENOSYS;
+}
+
+static inline int unwind_init_blocked(struct unwind_frame_info *info,
+ struct task_struct *tsk)
+{
+ return -ENOSYS;
+}
+
+static inline int unwind_init_running(struct unwind_frame_info *info,
+ asmlinkage int (*cb)(struct unwind_frame_info *,
+ void *arg),
+ void *arg)
+{
+ return -ENOSYS;
+}
+
+static inline int unwind(struct unwind_frame_info *info)
+{
+ return -ENOSYS;
+}
+
+static inline int unwind_to_user(struct unwind_frame_info *info)
+{
+ return -ENOSYS;
+}
+
+#endif
+
+#endif /* _LINUX_UNWIND_H */