diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/powerpc/include/asm/ptrace.h | 4 | ||||
| -rw-r--r-- | arch/powerpc/kernel/process.c | 2 | ||||
| -rw-r--r-- | arch/powerpc/kernel/stacktrace.c | 2 | ||||
| -rw-r--r-- | arch/powerpc/perf/callchain.c | 2 | ||||
| -rw-r--r-- | arch/powerpc/xmon/xmon.c | 3 |
5 files changed, 6 insertions, 7 deletions
diff --git a/arch/powerpc/include/asm/ptrace.h b/arch/powerpc/include/asm/ptrace.h index 8a9f4cf8c4c5..fdd50648df56 100644 --- a/arch/powerpc/include/asm/ptrace.h +++ b/arch/powerpc/include/asm/ptrace.h @@ -126,7 +126,6 @@ struct pt_regs STACK_FRAME_OVERHEAD + KERNEL_REDZONE_SIZE) #define STACK_INT_FRAME_REGS STACK_FRAME_OVERHEAD #define STACK_INT_FRAME_MARKER (STACK_FRAME_OVERHEAD - 16) -#define STACK_FRAME_MARKER 12 #ifdef CONFIG_PPC64_ELF_ABI_V2 #define STACK_FRAME_MIN_SIZE 32 @@ -147,7 +146,6 @@ struct pt_regs #define STACK_INT_FRAME_SIZE (sizeof(struct pt_regs) + STACK_FRAME_OVERHEAD) #define STACK_INT_FRAME_REGS STACK_FRAME_OVERHEAD #define STACK_INT_FRAME_MARKER (STACK_FRAME_OVERHEAD - 8) -#define STACK_FRAME_MARKER 2 #define STACK_FRAME_MIN_SIZE STACK_FRAME_OVERHEAD /* Size of stack frame allocated when calling signal handler. */ @@ -155,6 +153,8 @@ struct pt_regs #endif /* __powerpc64__ */ +#define STACK_INT_FRAME_MARKER_LONGS (STACK_INT_FRAME_MARKER/sizeof(long)) + #ifndef __ASSEMBLY__ #include <asm/paca.h> diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c index d7a581997d92..6c0a3c664266 100644 --- a/arch/powerpc/kernel/process.c +++ b/arch/powerpc/kernel/process.c @@ -2263,7 +2263,7 @@ void __no_sanitize_address show_stack(struct task_struct *tsk, * We look for the "regs" marker in the current frame. */ if (validate_sp(sp, tsk, STACK_FRAME_WITH_PT_REGS) - && stack[STACK_FRAME_MARKER] == STACK_FRAME_REGS_MARKER) { + && stack[STACK_INT_FRAME_MARKER_LONGS] == STACK_FRAME_REGS_MARKER) { struct pt_regs *regs = (struct pt_regs *) (sp + STACK_INT_FRAME_REGS); diff --git a/arch/powerpc/kernel/stacktrace.c b/arch/powerpc/kernel/stacktrace.c index a2443d61728e..7efa0ec9dd77 100644 --- a/arch/powerpc/kernel/stacktrace.c +++ b/arch/powerpc/kernel/stacktrace.c @@ -136,7 +136,7 @@ int __no_sanitize_address arch_stack_walk_reliable(stack_trace_consume_fn consum /* Mark stacktraces with exception frames as unreliable. */ if (sp <= stack_end - STACK_INT_FRAME_SIZE && - stack[STACK_FRAME_MARKER] == STACK_FRAME_REGS_MARKER) { + stack[STACK_INT_FRAME_MARKER_LONGS] == STACK_FRAME_REGS_MARKER) { return -EINVAL; } diff --git a/arch/powerpc/perf/callchain.c b/arch/powerpc/perf/callchain.c index 9e254aed1f61..b01497ed5173 100644 --- a/arch/powerpc/perf/callchain.c +++ b/arch/powerpc/perf/callchain.c @@ -62,7 +62,7 @@ perf_callchain_kernel(struct perf_callchain_entry_ctx *entry, struct pt_regs *re if (next_sp == sp + STACK_INT_FRAME_SIZE && validate_sp(sp, current, STACK_INT_FRAME_SIZE) && - fp[STACK_FRAME_MARKER] == STACK_FRAME_REGS_MARKER) { + fp[STACK_INT_FRAME_MARKER_LONGS] == STACK_FRAME_REGS_MARKER) { /* * This looks like an interrupt frame for an * interrupt that occurred in the kernel diff --git a/arch/powerpc/xmon/xmon.c b/arch/powerpc/xmon/xmon.c index a14eb4d815c2..0da66bc4823d 100644 --- a/arch/powerpc/xmon/xmon.c +++ b/arch/powerpc/xmon/xmon.c @@ -1721,7 +1721,6 @@ static void get_function_bounds(unsigned long pc, unsigned long *startp, } #define LRSAVE_OFFSET (STACK_FRAME_LR_SAVE * sizeof(unsigned long)) -#define MARKER_OFFSET (STACK_FRAME_MARKER * sizeof(unsigned long)) static void xmon_show_stack(unsigned long sp, unsigned long lr, unsigned long pc) @@ -1784,7 +1783,7 @@ static void xmon_show_stack(unsigned long sp, unsigned long lr, /* Look for "regs" marker to see if this is an exception frame. */ - if (mread(sp + MARKER_OFFSET, &marker, sizeof(unsigned long)) + if (mread(sp + STACK_INT_FRAME_MARKER, &marker, sizeof(unsigned long)) && marker == STACK_FRAME_REGS_MARKER) { if (mread(sp + STACK_INT_FRAME_REGS, ®s, sizeof(regs)) != sizeof(regs)) { printf("Couldn't read registers at %lx\n", |