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-rw-r--r--arch/ia64/Kconfig12
-rw-r--r--arch/ia64/include/asm/compat.h208
-rw-r--r--arch/ia64/include/asm/hardirq.h11
-rw-r--r--arch/ia64/include/asm/iommu_table.h6
-rw-r--r--arch/ia64/kernel/Makefile1
-rw-r--r--arch/ia64/kernel/cyclone.c2
-rw-r--r--arch/ia64/kernel/iosapic.c12
-rw-r--r--arch/ia64/kernel/irq_ia64.c1
-rw-r--r--arch/ia64/kernel/palinfo.c2
-rw-r--r--arch/ia64/kernel/perfmon.c12
-rw-r--r--arch/ia64/kernel/salinfo.c2
-rw-r--r--arch/ia64/kernel/stacktrace.c39
-rw-r--r--arch/ia64/kernel/unwind.c23
-rw-r--r--arch/ia64/xen/xen_pv_ops.c5
14 files changed, 100 insertions, 236 deletions
diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig
index ba22849ee3e..7c82fa1fc91 100644
--- a/arch/ia64/Kconfig
+++ b/arch/ia64/Kconfig
@@ -53,6 +53,9 @@ config MMU
bool
default y
+config ARCH_DMA_ADDR_T_64BIT
+ def_bool y
+
config NEED_DMA_MAP_STATE
def_bool y
@@ -62,6 +65,9 @@ config NEED_SG_DMA_LENGTH
config SWIOTLB
bool
+config STACKTRACE_SUPPORT
+ def_bool y
+
config GENERIC_LOCKBREAK
def_bool n
@@ -683,8 +689,10 @@ source "lib/Kconfig"
# Use the generic interrupt handling code in kernel/irq/:
#
config GENERIC_HARDIRQS
- bool
- default y
+ def_bool y
+
+config GENERIC_HARDIRQS_NO__DO_IRQ
+ def_bool y
config GENERIC_IRQ_PROBE
bool
diff --git a/arch/ia64/include/asm/compat.h b/arch/ia64/include/asm/compat.h
deleted file mode 100644
index 9301a282161..00000000000
--- a/arch/ia64/include/asm/compat.h
+++ /dev/null
@@ -1,208 +0,0 @@
-#ifndef _ASM_IA64_COMPAT_H
-#define _ASM_IA64_COMPAT_H
-/*
- * Architecture specific compatibility types
- */
-#include <linux/types.h>
-
-#define COMPAT_USER_HZ 100
-#define COMPAT_UTS_MACHINE "i686\0\0\0"
-
-typedef u32 compat_size_t;
-typedef s32 compat_ssize_t;
-typedef s32 compat_time_t;
-typedef s32 compat_clock_t;
-typedef s32 compat_key_t;
-typedef s32 compat_pid_t;
-typedef u16 __compat_uid_t;
-typedef u16 __compat_gid_t;
-typedef u32 __compat_uid32_t;
-typedef u32 __compat_gid32_t;
-typedef u16 compat_mode_t;
-typedef u32 compat_ino_t;
-typedef u16 compat_dev_t;
-typedef s32 compat_off_t;
-typedef s64 compat_loff_t;
-typedef u16 compat_nlink_t;
-typedef u16 compat_ipc_pid_t;
-typedef s32 compat_daddr_t;
-typedef u32 compat_caddr_t;
-typedef __kernel_fsid_t compat_fsid_t;
-typedef s32 compat_timer_t;
-
-typedef s32 compat_int_t;
-typedef s32 compat_long_t;
-typedef s64 __attribute__((aligned(4))) compat_s64;
-typedef u32 compat_uint_t;
-typedef u32 compat_ulong_t;
-typedef u64 __attribute__((aligned(4))) compat_u64;
-
-struct compat_timespec {
- compat_time_t tv_sec;
- s32 tv_nsec;
-};
-
-struct compat_timeval {
- compat_time_t tv_sec;
- s32 tv_usec;
-};
-
-struct compat_stat {
- compat_dev_t st_dev;
- u16 __pad1;
- compat_ino_t st_ino;
- compat_mode_t st_mode;
- compat_nlink_t st_nlink;
- __compat_uid_t st_uid;
- __compat_gid_t st_gid;
- compat_dev_t st_rdev;
- u16 __pad2;
- u32 st_size;
- u32 st_blksize;
- u32 st_blocks;
- u32 st_atime;
- u32 st_atime_nsec;
- u32 st_mtime;
- u32 st_mtime_nsec;
- u32 st_ctime;
- u32 st_ctime_nsec;
- u32 __unused4;
- u32 __unused5;
-};
-
-struct compat_flock {
- short l_type;
- short l_whence;
- compat_off_t l_start;
- compat_off_t l_len;
- compat_pid_t l_pid;
-};
-
-#define F_GETLK64 12
-#define F_SETLK64 13
-#define F_SETLKW64 14
-
-/*
- * IA32 uses 4 byte alignment for 64 bit quantities,
- * so we need to pack this structure.
- */
-struct compat_flock64 {
- short l_type;
- short l_whence;
- compat_loff_t l_start;
- compat_loff_t l_len;
- compat_pid_t l_pid;
-} __attribute__((packed));
-
-struct compat_statfs {
- int f_type;
- int f_bsize;
- int f_blocks;
- int f_bfree;
- int f_bavail;
- int f_files;
- int f_ffree;
- compat_fsid_t f_fsid;
- int f_namelen; /* SunOS ignores this field. */
- int f_frsize;
- int f_spare[5];
-};
-
-#define COMPAT_RLIM_OLD_INFINITY 0x7fffffff
-#define COMPAT_RLIM_INFINITY 0xffffffff
-
-typedef u32 compat_old_sigset_t; /* at least 32 bits */
-
-#define _COMPAT_NSIG 64
-#define _COMPAT_NSIG_BPW 32
-
-typedef u32 compat_sigset_word;
-
-#define COMPAT_OFF_T_MAX 0x7fffffff
-#define COMPAT_LOFF_T_MAX 0x7fffffffffffffffL
-
-struct compat_ipc64_perm {
- compat_key_t key;
- __compat_uid32_t uid;
- __compat_gid32_t gid;
- __compat_uid32_t cuid;
- __compat_gid32_t cgid;
- unsigned short mode;
- unsigned short __pad1;
- unsigned short seq;
- unsigned short __pad2;
- compat_ulong_t unused1;
- compat_ulong_t unused2;
-};
-
-struct compat_semid64_ds {
- struct compat_ipc64_perm sem_perm;
- compat_time_t sem_otime;
- compat_ulong_t __unused1;
- compat_time_t sem_ctime;
- compat_ulong_t __unused2;
- compat_ulong_t sem_nsems;
- compat_ulong_t __unused3;
- compat_ulong_t __unused4;
-};
-
-struct compat_msqid64_ds {
- struct compat_ipc64_perm msg_perm;
- compat_time_t msg_stime;
- compat_ulong_t __unused1;
- compat_time_t msg_rtime;
- compat_ulong_t __unused2;
- compat_time_t msg_ctime;
- compat_ulong_t __unused3;
- compat_ulong_t msg_cbytes;
- compat_ulong_t msg_qnum;
- compat_ulong_t msg_qbytes;
- compat_pid_t msg_lspid;
- compat_pid_t msg_lrpid;
- compat_ulong_t __unused4;
- compat_ulong_t __unused5;
-};
-
-struct compat_shmid64_ds {
- struct compat_ipc64_perm shm_perm;
- compat_size_t shm_segsz;
- compat_time_t shm_atime;
- compat_ulong_t __unused1;
- compat_time_t shm_dtime;
- compat_ulong_t __unused2;
- compat_time_t shm_ctime;
- compat_ulong_t __unused3;
- compat_pid_t shm_cpid;
- compat_pid_t shm_lpid;
- compat_ulong_t shm_nattch;
- compat_ulong_t __unused4;
- compat_ulong_t __unused5;
-};
-
-/*
- * A pointer passed in from user mode. This should not be used for syscall parameters,
- * just declare them as pointers because the syscall entry code will have appropriately
- * converted them already.
- */
-typedef u32 compat_uptr_t;
-
-static inline void __user *
-compat_ptr (compat_uptr_t uptr)
-{
- return (void __user *) (unsigned long) uptr;
-}
-
-static inline compat_uptr_t
-ptr_to_compat(void __user *uptr)
-{
- return (u32)(unsigned long)uptr;
-}
-
-static __inline__ void __user *
-arch_compat_alloc_user_space (long len)
-{
- struct pt_regs *regs = task_pt_regs(current);
- return (void __user *) (((regs->r12 & 0xffffffff) & -16) - len);
-}
-
-#endif /* _ASM_IA64_COMPAT_H */
diff --git a/arch/ia64/include/asm/hardirq.h b/arch/ia64/include/asm/hardirq.h
index d514cd9edb4..8fb7d33a661 100644
--- a/arch/ia64/include/asm/hardirq.h
+++ b/arch/ia64/include/asm/hardirq.h
@@ -6,12 +6,6 @@
* David Mosberger-Tang <davidm@hpl.hp.com>
*/
-
-#include <linux/threads.h>
-#include <linux/irq.h>
-
-#include <asm/processor.h>
-
/*
* No irq_cpustat_t for IA-64. The data is held in the per-CPU data structure.
*/
@@ -20,6 +14,11 @@
#define local_softirq_pending() (local_cpu_data->softirq_pending)
+#include <linux/threads.h>
+#include <linux/irq.h>
+
+#include <asm/processor.h>
+
extern void __iomem *ipi_base_addr;
void ack_bad_irq(unsigned int irq);
diff --git a/arch/ia64/include/asm/iommu_table.h b/arch/ia64/include/asm/iommu_table.h
new file mode 100644
index 00000000000..92c8d36ae5a
--- /dev/null
+++ b/arch/ia64/include/asm/iommu_table.h
@@ -0,0 +1,6 @@
+#ifndef _ASM_IA64_IOMMU_TABLE_H
+#define _ASM_IA64_IOMMU_TABLE_H
+
+#define IOMMU_INIT_POST(_detect)
+
+#endif /* _ASM_IA64_IOMMU_TABLE_H */
diff --git a/arch/ia64/kernel/Makefile b/arch/ia64/kernel/Makefile
index db10b1e378b..395c2f216dd 100644
--- a/arch/ia64/kernel/Makefile
+++ b/arch/ia64/kernel/Makefile
@@ -34,6 +34,7 @@ obj-$(CONFIG_AUDIT) += audit.o
obj-$(CONFIG_PCI_MSI) += msi_ia64.o
mca_recovery-y += mca_drv.o mca_drv_asm.o
obj-$(CONFIG_IA64_MC_ERR_INJECT)+= err_inject.o
+obj-$(CONFIG_STACKTRACE) += stacktrace.o
obj-$(CONFIG_PARAVIRT) += paravirt.o paravirtentry.o \
paravirt_patch.o
diff --git a/arch/ia64/kernel/cyclone.c b/arch/ia64/kernel/cyclone.c
index 71e35864d2e..d52f1f78eff 100644
--- a/arch/ia64/kernel/cyclone.c
+++ b/arch/ia64/kernel/cyclone.c
@@ -59,13 +59,13 @@ int __init init_cyclone_clock(void)
return -ENODEV;
}
base = readq(reg);
+ iounmap(reg);
if(!base){
printk(KERN_ERR "Summit chipset: Could not find valid CBAR"
" value.\n");
use_cyclone = 0;
return -ENODEV;
}
- iounmap(reg);
/* setup PMCC */
offset = (base + CYCLONE_PMCC_OFFSET);
diff --git a/arch/ia64/kernel/iosapic.c b/arch/ia64/kernel/iosapic.c
index 66ec07806ad..22c38404f53 100644
--- a/arch/ia64/kernel/iosapic.c
+++ b/arch/ia64/kernel/iosapic.c
@@ -386,7 +386,7 @@ iosapic_startup_level_irq (unsigned int irq)
}
static void
-iosapic_end_level_irq (unsigned int irq)
+iosapic_unmask_level_irq (unsigned int irq)
{
ia64_vector vec = irq_to_vector(irq);
struct iosapic_rte_info *rte;
@@ -396,7 +396,8 @@ iosapic_end_level_irq (unsigned int irq)
if (unlikely(irq_desc[irq].status & IRQ_MOVE_PENDING)) {
do_unmask_irq = 1;
mask_irq(irq);
- }
+ } else
+ unmask_irq(irq);
list_for_each_entry(rte, &iosapic_intr_info[irq].rtes, rte_list)
iosapic_eoi(rte->iosapic->addr, vec);
@@ -419,9 +420,8 @@ static struct irq_chip irq_type_iosapic_level = {
.enable = iosapic_enable_level_irq,
.disable = iosapic_disable_level_irq,
.ack = iosapic_ack_level_irq,
- .end = iosapic_end_level_irq,
.mask = mask_irq,
- .unmask = unmask_irq,
+ .unmask = iosapic_unmask_level_irq,
.set_affinity = iosapic_set_affinity
};
@@ -619,6 +619,10 @@ register_intr (unsigned int gsi, int irq, unsigned char delivery,
idesc->chip->name, irq_type->name);
idesc->chip = irq_type;
}
+ if (trigger == IOSAPIC_EDGE)
+ __set_irq_handler_unlocked(irq, handle_edge_irq);
+ else
+ __set_irq_handler_unlocked(irq, handle_level_irq);
return 0;
}
diff --git a/arch/ia64/kernel/irq_ia64.c b/arch/ia64/kernel/irq_ia64.c
index 07d4f94e40b..9a26015c3e5 100644
--- a/arch/ia64/kernel/irq_ia64.c
+++ b/arch/ia64/kernel/irq_ia64.c
@@ -636,6 +636,7 @@ ia64_native_register_percpu_irq (ia64_vector vec, struct irqaction *action)
desc->chip = &irq_type_ia64_lsapic;
if (action)
setup_irq(irq, action);
+ set_irq_handler(irq, handle_percpu_irq);
}
void __init
diff --git a/arch/ia64/kernel/palinfo.c b/arch/ia64/kernel/palinfo.c
index fdf6f9d013e..77597e5ea60 100644
--- a/arch/ia64/kernel/palinfo.c
+++ b/arch/ia64/kernel/palinfo.c
@@ -434,7 +434,7 @@ register_info(char *page)
unsigned long phys_stacked;
pal_hints_u_t hints;
unsigned long iregs, dregs;
- char *info_type[]={
+ static const char * const info_type[] = {
"Implemented AR(s)",
"AR(s) with read side-effects",
"Implemented CR(s)",
diff --git a/arch/ia64/kernel/perfmon.c b/arch/ia64/kernel/perfmon.c
index cce050e85c7..6b1852f7f97 100644
--- a/arch/ia64/kernel/perfmon.c
+++ b/arch/ia64/kernel/perfmon.c
@@ -1573,7 +1573,7 @@ pfm_read(struct file *filp, char __user *buf, size_t size, loff_t *ppos)
return -EINVAL;
}
- ctx = (pfm_context_t *)filp->private_data;
+ ctx = filp->private_data;
if (ctx == NULL) {
printk(KERN_ERR "perfmon: pfm_read: NULL ctx [%d]\n", task_pid_nr(current));
return -EINVAL;
@@ -1673,7 +1673,7 @@ pfm_poll(struct file *filp, poll_table * wait)
return 0;
}
- ctx = (pfm_context_t *)filp->private_data;
+ ctx = filp->private_data;
if (ctx == NULL) {
printk(KERN_ERR "perfmon: pfm_poll: NULL ctx [%d]\n", task_pid_nr(current));
return 0;
@@ -1733,7 +1733,7 @@ pfm_fasync(int fd, struct file *filp, int on)
return -EBADF;
}
- ctx = (pfm_context_t *)filp->private_data;
+ ctx = filp->private_data;
if (ctx == NULL) {
printk(KERN_ERR "perfmon: pfm_fasync NULL ctx [%d]\n", task_pid_nr(current));
return -EBADF;
@@ -1841,7 +1841,7 @@ pfm_flush(struct file *filp, fl_owner_t id)
return -EBADF;
}
- ctx = (pfm_context_t *)filp->private_data;
+ ctx = filp->private_data;
if (ctx == NULL) {
printk(KERN_ERR "perfmon: pfm_flush: NULL ctx [%d]\n", task_pid_nr(current));
return -EBADF;
@@ -1984,7 +1984,7 @@ pfm_close(struct inode *inode, struct file *filp)
return -EBADF;
}
- ctx = (pfm_context_t *)filp->private_data;
+ ctx = filp->private_data;
if (ctx == NULL) {
printk(KERN_ERR "perfmon: pfm_close: NULL ctx [%d]\n", task_pid_nr(current));
return -EBADF;
@@ -4907,7 +4907,7 @@ restart_args:
goto error_args;
}
- ctx = (pfm_context_t *)file->private_data;
+ ctx = file->private_data;
if (unlikely(ctx == NULL)) {
DPRINT(("no context for fd %d\n", fd));
goto error_args;
diff --git a/arch/ia64/kernel/salinfo.c b/arch/ia64/kernel/salinfo.c
index aa8b5fa1a8d..45d7543b69c 100644
--- a/arch/ia64/kernel/salinfo.c
+++ b/arch/ia64/kernel/salinfo.c
@@ -642,7 +642,7 @@ salinfo_init(void)
for (i = 0; i < ARRAY_SIZE(salinfo_log_name); i++) {
data = salinfo_data + i;
data->type = i;
- init_MUTEX(&data->mutex);
+ sema_init(&data->mutex, 1);
dir = proc_mkdir(salinfo_log_name[i], salinfo_dir);
if (!dir)
continue;
diff --git a/arch/ia64/kernel/stacktrace.c b/arch/ia64/kernel/stacktrace.c
new file mode 100644
index 00000000000..5af2783a87f
--- /dev/null
+++ b/arch/ia64/kernel/stacktrace.c
@@ -0,0 +1,39 @@
+/*
+ * arch/ia64/kernel/stacktrace.c
+ *
+ * Stack trace management functions
+ *
+ */
+#include <linux/sched.h>
+#include <linux/stacktrace.h>
+#include <linux/module.h>
+
+static void
+ia64_do_save_stack(struct unw_frame_info *info, void *arg)
+{
+ struct stack_trace *trace = arg;
+ unsigned long ip;
+ int skip = trace->skip;
+
+ trace->nr_entries = 0;
+ do {
+ unw_get_ip(info, &ip);
+ if (ip == 0)
+ break;
+ if (skip == 0) {
+ trace->entries[trace->nr_entries++] = ip;
+ if (trace->nr_entries == trace->max_entries)
+ break;
+ } else
+ skip--;
+ } while (unw_unwind(info) >= 0);
+}
+
+/*
+ * Save stack-backtrace addresses into a stack_trace buffer.
+ */
+void save_stack_trace(struct stack_trace *trace)
+{
+ unw_init_running(ia64_do_save_stack, trace);
+}
+EXPORT_SYMBOL(save_stack_trace);
diff --git a/arch/ia64/kernel/unwind.c b/arch/ia64/kernel/unwind.c
index b6c0e63a0bf..fed6afa2e8a 100644
--- a/arch/ia64/kernel/unwind.c
+++ b/arch/ia64/kernel/unwind.c
@@ -1204,10 +1204,10 @@ desc_spill_sprel_p (unsigned char qp, unw_word t, unsigned char abreg, unw_word
static inline unw_hash_index_t
hash (unsigned long ip)
{
-# define hashmagic 0x9e3779b97f4a7c16UL /* based on (sqrt(5)/2-1)*2^64 */
+ /* magic number = ((sqrt(5)-1)/2)*2^64 */
+ static const unsigned long hashmagic = 0x9e3779b97f4a7c16UL;
- return (ip >> 4)*hashmagic >> (64 - UNW_LOG_HASH_SIZE);
-#undef hashmagic
+ return (ip >> 4) * hashmagic >> (64 - UNW_LOG_HASH_SIZE);
}
static inline long
@@ -1531,7 +1531,7 @@ build_script (struct unw_frame_info *info)
struct unw_labeled_state *ls, *next;
unsigned long ip = info->ip;
struct unw_state_record sr;
- struct unw_table *table;
+ struct unw_table *table, *prev;
struct unw_reg_info *r;
struct unw_insn insn;
u8 *dp, *desc_end;
@@ -1560,11 +1560,26 @@ build_script (struct unw_frame_info *info)
STAT(parse_start = ia64_get_itc());
+ prev = NULL;
for (table = unw.tables; table; table = table->next) {
if (ip >= table->start && ip < table->end) {
+ /*
+ * Leave the kernel unwind table at the very front,
+ * lest moving it breaks some assumption elsewhere.
+ * Otherwise, move the matching table to the second
+ * position in the list so that traversals can benefit
+ * from commonality in backtrace paths.
+ */
+ if (prev && prev != unw.tables) {
+ /* unw is safe - we're already spinlocked */
+ prev->next = table->next;
+ table->next = unw.tables->next;
+ unw.tables->next = table;
+ }
e = lookup(table, ip - table->segment_base);
break;
}
+ prev = table;
}
if (!e) {
/* no info, return default unwinder (leaf proc, no mem stack, no saved regs) */
diff --git a/arch/ia64/xen/xen_pv_ops.c b/arch/ia64/xen/xen_pv_ops.c
index 8adc6a14272..3e8d350fdf3 100644
--- a/arch/ia64/xen/xen_pv_ops.c
+++ b/arch/ia64/xen/xen_pv_ops.c
@@ -1136,7 +1136,6 @@ __initconst = {
static void __init
xen_patch_branch(unsigned long tag, unsigned long type)
{
- const unsigned long nelem =
- sizeof(xen_branch_target) / sizeof(xen_branch_target[0]);
- __paravirt_patch_apply_branch(tag, type, xen_branch_target, nelem);
+ __paravirt_patch_apply_branch(tag, type, xen_branch_target,
+ ARRAY_SIZE(xen_branch_target));
}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-16 06:08:51 +0000