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-rw-r--r--arch/parisc/kernel/Makefile4
-rw-r--r--arch/parisc/kernel/audit.c81
-rw-r--r--arch/parisc/kernel/compat_audit.c40
-rw-r--r--arch/parisc/kernel/head.S4
-rw-r--r--arch/parisc/kernel/irq.c21
-rw-r--r--arch/parisc/kernel/module.c2
-rw-r--r--arch/parisc/kernel/ptrace.c26
-rw-r--r--arch/parisc/kernel/setup.c8
-rw-r--r--arch/parisc/kernel/signal32.c2
-rw-r--r--arch/parisc/kernel/signal32.h2
-rw-r--r--arch/parisc/kernel/smp.c13
-rw-r--r--arch/parisc/kernel/syscall.S6
-rw-r--r--arch/parisc/kernel/traps.c11
13 files changed, 168 insertions, 52 deletions
diff --git a/arch/parisc/kernel/Makefile b/arch/parisc/kernel/Makefile
index 66ee3f12df5..ff87b4603e3 100644
--- a/arch/parisc/kernel/Makefile
+++ b/arch/parisc/kernel/Makefile
@@ -29,7 +29,9 @@ obj-$(CONFIG_PCI) += pci.o
obj-$(CONFIG_MODULES) += module.o
obj-$(CONFIG_64BIT) += binfmt_elf32.o sys_parisc32.o signal32.o
obj-$(CONFIG_STACKTRACE)+= stacktrace.o
+obj-$(CONFIG_AUDIT) += audit.o
+obj64-$(CONFIG_AUDIT) += compat_audit.o
# only supported for PCX-W/U in 64-bit mode at the moment
-obj-$(CONFIG_64BIT) += perf.o perf_asm.o
+obj-$(CONFIG_64BIT) += perf.o perf_asm.o $(obj64-y)
obj-$(CONFIG_FUNCTION_TRACER) += ftrace.o
obj-$(CONFIG_FUNCTION_GRAPH_TRACER) += ftrace.o
diff --git a/arch/parisc/kernel/audit.c b/arch/parisc/kernel/audit.c
new file mode 100644
index 00000000000..eb64a6148c8
--- /dev/null
+++ b/arch/parisc/kernel/audit.c
@@ -0,0 +1,81 @@
+#include <linux/init.h>
+#include <linux/types.h>
+#include <linux/audit.h>
+#include <asm/unistd.h>
+
+static unsigned dir_class[] = {
+#include <asm-generic/audit_dir_write.h>
+~0U
+};
+
+static unsigned read_class[] = {
+#include <asm-generic/audit_read.h>
+~0U
+};
+
+static unsigned write_class[] = {
+#include <asm-generic/audit_write.h>
+~0U
+};
+
+static unsigned chattr_class[] = {
+#include <asm-generic/audit_change_attr.h>
+~0U
+};
+
+static unsigned signal_class[] = {
+#include <asm-generic/audit_signal.h>
+~0U
+};
+
+int audit_classify_arch(int arch)
+{
+#ifdef CONFIG_COMPAT
+ if (arch == AUDIT_ARCH_PARISC)
+ return 1;
+#endif
+ return 0;
+}
+
+int audit_classify_syscall(int abi, unsigned syscall)
+{
+#ifdef CONFIG_COMPAT
+ extern int parisc32_classify_syscall(unsigned);
+ if (abi == AUDIT_ARCH_PARISC)
+ return parisc32_classify_syscall(syscall);
+#endif
+ switch (syscall) {
+ case __NR_open:
+ return 2;
+ case __NR_openat:
+ return 3;
+ case __NR_execve:
+ return 5;
+ default:
+ return 0;
+ }
+}
+
+static int __init audit_classes_init(void)
+{
+#ifdef CONFIG_COMPAT
+ extern __u32 parisc32_dir_class[];
+ extern __u32 parisc32_write_class[];
+ extern __u32 parisc32_read_class[];
+ extern __u32 parisc32_chattr_class[];
+ extern __u32 parisc32_signal_class[];
+ audit_register_class(AUDIT_CLASS_WRITE_32, parisc32_write_class);
+ audit_register_class(AUDIT_CLASS_READ_32, parisc32_read_class);
+ audit_register_class(AUDIT_CLASS_DIR_WRITE_32, parisc32_dir_class);
+ audit_register_class(AUDIT_CLASS_CHATTR_32, parisc32_chattr_class);
+ audit_register_class(AUDIT_CLASS_SIGNAL_32, parisc32_signal_class);
+#endif
+ audit_register_class(AUDIT_CLASS_WRITE, write_class);
+ audit_register_class(AUDIT_CLASS_READ, read_class);
+ audit_register_class(AUDIT_CLASS_DIR_WRITE, dir_class);
+ audit_register_class(AUDIT_CLASS_CHATTR, chattr_class);
+ audit_register_class(AUDIT_CLASS_SIGNAL, signal_class);
+ return 0;
+}
+
+__initcall(audit_classes_init);
diff --git a/arch/parisc/kernel/compat_audit.c b/arch/parisc/kernel/compat_audit.c
new file mode 100644
index 00000000000..c74478f6bc7
--- /dev/null
+++ b/arch/parisc/kernel/compat_audit.c
@@ -0,0 +1,40 @@
+#include <asm/unistd.h>
+
+unsigned int parisc32_dir_class[] = {
+#include <asm-generic/audit_dir_write.h>
+~0U
+};
+
+unsigned int parisc32_chattr_class[] = {
+#include <asm-generic/audit_change_attr.h>
+~0U
+};
+
+unsigned int parisc32_write_class[] = {
+#include <asm-generic/audit_write.h>
+~0U
+};
+
+unsigned int parisc32_read_class[] = {
+#include <asm-generic/audit_read.h>
+~0U
+};
+
+unsigned int parisc32_signal_class[] = {
+#include <asm-generic/audit_signal.h>
+~0U
+};
+
+int parisc32_classify_syscall(unsigned syscall)
+{
+ switch (syscall) {
+ case __NR_open:
+ return 2;
+ case __NR_openat:
+ return 3;
+ case __NR_execve:
+ return 5;
+ default:
+ return 1;
+ }
+}
diff --git a/arch/parisc/kernel/head.S b/arch/parisc/kernel/head.S
index 37aabd772fb..d2d58258aea 100644
--- a/arch/parisc/kernel/head.S
+++ b/arch/parisc/kernel/head.S
@@ -195,6 +195,8 @@ common_stext:
ldw MEM_PDC_HI(%r0),%r6
depd %r6, 31, 32, %r3 /* move to upper word */
+ mfctl %cr30,%r6 /* PCX-W2 firmware bug */
+
ldo PDC_PSW(%r0),%arg0 /* 21 */
ldo PDC_PSW_SET_DEFAULTS(%r0),%arg1 /* 2 */
ldo PDC_PSW_WIDE_BIT(%r0),%arg2 /* 2 */
@@ -203,6 +205,8 @@ common_stext:
copy %r0,%arg3
stext_pdc_ret:
+ mtctl %r6,%cr30 /* restore task thread info */
+
/* restore rfi target address*/
ldd TI_TASK-THREAD_SZ_ALGN(%sp), %r10
tophys_r1 %r10
diff --git a/arch/parisc/kernel/irq.c b/arch/parisc/kernel/irq.c
index 2e6443b1e92..8ceac478560 100644
--- a/arch/parisc/kernel/irq.c
+++ b/arch/parisc/kernel/irq.c
@@ -179,10 +179,6 @@ int arch_show_interrupts(struct seq_file *p, int prec)
for_each_online_cpu(j)
seq_printf(p, "%10u ", irq_stats(j)->irq_resched_count);
seq_puts(p, " Rescheduling interrupts\n");
- seq_printf(p, "%*s: ", prec, "CAL");
- for_each_online_cpu(j)
- seq_printf(p, "%10u ", irq_stats(j)->irq_call_count);
- seq_puts(p, " Function call interrupts\n");
#endif
seq_printf(p, "%*s: ", prec, "UAH");
for_each_online_cpu(j)
@@ -499,22 +495,9 @@ static void execute_on_irq_stack(void *func, unsigned long param1)
*irq_stack_in_use = 1;
}
-asmlinkage void do_softirq(void)
+void do_softirq_own_stack(void)
{
- __u32 pending;
- unsigned long flags;
-
- if (in_interrupt())
- return;
-
- local_irq_save(flags);
-
- pending = local_softirq_pending();
-
- if (pending)
- execute_on_irq_stack(__do_softirq, 0);
-
- local_irq_restore(flags);
+ execute_on_irq_stack(__do_softirq, 0);
}
#endif /* CONFIG_IRQSTACKS */
diff --git a/arch/parisc/kernel/module.c b/arch/parisc/kernel/module.c
index 2a625fb063e..50dfafc3f2c 100644
--- a/arch/parisc/kernel/module.c
+++ b/arch/parisc/kernel/module.c
@@ -219,7 +219,7 @@ void *module_alloc(unsigned long size)
* init_data correctly */
return __vmalloc_node_range(size, 1, VMALLOC_START, VMALLOC_END,
GFP_KERNEL | __GFP_HIGHMEM,
- PAGE_KERNEL_RWX, -1,
+ PAGE_KERNEL_RWX, NUMA_NO_NODE,
__builtin_return_address(0));
}
diff --git a/arch/parisc/kernel/ptrace.c b/arch/parisc/kernel/ptrace.c
index 534abd4936e..e842ee233db 100644
--- a/arch/parisc/kernel/ptrace.c
+++ b/arch/parisc/kernel/ptrace.c
@@ -19,6 +19,7 @@
#include <linux/security.h>
#include <linux/compat.h>
#include <linux/signal.h>
+#include <linux/audit.h>
#include <asm/uaccess.h>
#include <asm/pgtable.h>
@@ -267,11 +268,28 @@ long compat_arch_ptrace(struct task_struct *child, compat_long_t request,
long do_syscall_trace_enter(struct pt_regs *regs)
{
+ long ret = 0;
+
if (test_thread_flag(TIF_SYSCALL_TRACE) &&
tracehook_report_syscall_entry(regs))
- return -1L;
-
- return regs->gr[20];
+ ret = -1L;
+
+#ifdef CONFIG_64BIT
+ if (!is_compat_task())
+ audit_syscall_entry(AUDIT_ARCH_PARISC64,
+ regs->gr[20],
+ regs->gr[26], regs->gr[25],
+ regs->gr[24], regs->gr[23]);
+ else
+#endif
+ audit_syscall_entry(AUDIT_ARCH_PARISC,
+ regs->gr[20] & 0xffffffff,
+ regs->gr[26] & 0xffffffff,
+ regs->gr[25] & 0xffffffff,
+ regs->gr[24] & 0xffffffff,
+ regs->gr[23] & 0xffffffff);
+
+ return ret ? : regs->gr[20];
}
void do_syscall_trace_exit(struct pt_regs *regs)
@@ -279,6 +297,8 @@ void do_syscall_trace_exit(struct pt_regs *regs)
int stepping = test_thread_flag(TIF_SINGLESTEP) ||
test_thread_flag(TIF_BLOCKSTEP);
+ audit_syscall_exit(regs);
+
if (stepping || test_thread_flag(TIF_SYSCALL_TRACE))
tracehook_report_syscall_exit(regs, stepping);
}
diff --git a/arch/parisc/kernel/setup.c b/arch/parisc/kernel/setup.c
index 7349a3fedfc..72a3c658ad7 100644
--- a/arch/parisc/kernel/setup.c
+++ b/arch/parisc/kernel/setup.c
@@ -318,8 +318,12 @@ static int __init parisc_init(void)
pdc_stable_write(0x40, &osid, sizeof(osid));
processor_init();
- printk(KERN_INFO "CPU(s): %d x %s at %d.%06d MHz\n",
- num_present_cpus(),
+#ifdef CONFIG_SMP
+ pr_info("CPU(s): %d out of %d %s at %d.%06d MHz online\n",
+ num_online_cpus(), num_present_cpus(),
+#else
+ pr_info("CPU(s): 1 x %s at %d.%06d MHz\n",
+#endif
boot_cpu_data.cpu_name,
boot_cpu_data.cpu_hz / 1000000,
boot_cpu_data.cpu_hz % 1000000 );
diff --git a/arch/parisc/kernel/signal32.c b/arch/parisc/kernel/signal32.c
index 6c6a271a614..984abbee71c 100644
--- a/arch/parisc/kernel/signal32.c
+++ b/arch/parisc/kernel/signal32.c
@@ -319,7 +319,7 @@ copy_siginfo_from_user32 (siginfo_t *to, compat_siginfo_t __user *from)
}
int
-copy_siginfo_to_user32 (compat_siginfo_t __user *to, siginfo_t *from)
+copy_siginfo_to_user32 (compat_siginfo_t __user *to, const siginfo_t *from)
{
compat_uptr_t addr;
compat_int_t val;
diff --git a/arch/parisc/kernel/signal32.h b/arch/parisc/kernel/signal32.h
index 72ab41a51f3..af51d4ccee4 100644
--- a/arch/parisc/kernel/signal32.h
+++ b/arch/parisc/kernel/signal32.h
@@ -34,7 +34,7 @@ struct compat_ucontext {
/* ELF32 signal handling */
-int copy_siginfo_to_user32 (compat_siginfo_t __user *to, siginfo_t *from);
+int copy_siginfo_to_user32 (compat_siginfo_t __user *to, const siginfo_t *from);
int copy_siginfo_from_user32 (siginfo_t *to, compat_siginfo_t __user *from);
/* In a deft move of uber-hackery, we decide to carry the top half of all
diff --git a/arch/parisc/kernel/smp.c b/arch/parisc/kernel/smp.c
index 8a252f2d6c0..ceda229ea6c 100644
--- a/arch/parisc/kernel/smp.c
+++ b/arch/parisc/kernel/smp.c
@@ -72,7 +72,6 @@ enum ipi_message_type {
IPI_NOP=0,
IPI_RESCHEDULE=1,
IPI_CALL_FUNC,
- IPI_CALL_FUNC_SINGLE,
IPI_CPU_START,
IPI_CPU_STOP,
IPI_CPU_TEST
@@ -126,11 +125,6 @@ ipi_interrupt(int irq, void *dev_id)
unsigned long ops;
unsigned long flags;
- /* Count this now; we may make a call that never returns. */
- inc_irq_stat(irq_call_count);
-
- mb(); /* Order interrupt and bit testing. */
-
for (;;) {
spinlock_t *lock = &per_cpu(ipi_lock, this_cpu);
spin_lock_irqsave(lock, flags);
@@ -164,11 +158,6 @@ ipi_interrupt(int irq, void *dev_id)
generic_smp_call_function_interrupt();
break;
- case IPI_CALL_FUNC_SINGLE:
- smp_debug(100, KERN_DEBUG "CPU%d IPI_CALL_FUNC_SINGLE\n", this_cpu);
- generic_smp_call_function_single_interrupt();
- break;
-
case IPI_CPU_START:
smp_debug(100, KERN_DEBUG "CPU%d IPI_CPU_START\n", this_cpu);
break;
@@ -260,7 +249,7 @@ void arch_send_call_function_ipi_mask(const struct cpumask *mask)
void arch_send_call_function_single_ipi(int cpu)
{
- send_IPI_single(cpu, IPI_CALL_FUNC_SINGLE);
+ send_IPI_single(cpu, IPI_CALL_FUNC);
}
/*
diff --git a/arch/parisc/kernel/syscall.S b/arch/parisc/kernel/syscall.S
index e767ab733e3..a63bb179f79 100644
--- a/arch/parisc/kernel/syscall.S
+++ b/arch/parisc/kernel/syscall.S
@@ -649,10 +649,8 @@ cas_action:
/* Two exception table entries, one for the load,
the other for the store. Either return -EFAULT.
Each of the entries must be relocated. */
- .section __ex_table,"aw"
- ASM_ULONG_INSN (1b - linux_gateway_page), (3b - linux_gateway_page)
- ASM_ULONG_INSN (2b - linux_gateway_page), (3b - linux_gateway_page)
- .previous
+ ASM_EXCEPTIONTABLE_ENTRY(1b-linux_gateway_page, 3b-linux_gateway_page)
+ ASM_EXCEPTIONTABLE_ENTRY(2b-linux_gateway_page, 3b-linux_gateway_page)
/* Make sure nothing else is placed on this page */
diff --git a/arch/parisc/kernel/traps.c b/arch/parisc/kernel/traps.c
index 04e47c6a456..1cd1d0c83b6 100644
--- a/arch/parisc/kernel/traps.c
+++ b/arch/parisc/kernel/traps.c
@@ -291,11 +291,6 @@ void die_if_kernel(char *str, struct pt_regs *regs, long err)
do_exit(SIGSEGV);
}
-int syscall_ipi(int (*syscall) (struct pt_regs *), struct pt_regs *regs)
-{
- return syscall(regs);
-}
-
/* gdb uses break 4,8 */
#define GDB_BREAK_INSN 0x10004
static void handle_gdb_break(struct pt_regs *regs, int wot)
@@ -805,14 +800,14 @@ void notrace handle_interruption(int code, struct pt_regs *regs)
else {
/*
- * The kernel should never fault on its own address space.
+ * The kernel should never fault on its own address space,
+ * unless pagefault_disable() was called before.
*/
- if (fault_space == 0)
+ if (fault_space == 0 && !in_atomic())
{
pdc_chassis_send_status(PDC_CHASSIS_DIRECT_PANIC);
parisc_terminate("Kernel Fault", regs, code, fault_address);
-
}
}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-05 09:33:39 +0000