diff options
| author | Nicholas Piggin <npiggin@gmail.com> | 2022-11-27 13:49:32 +0100 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2022-12-02 07:54:08 +0100 |
| commit | c03be0a3f3cc656eab5c427b78959b8f1b169a11 (patch) | |
| tree | ea5a871e5ab66eb6f0d25a708e9e26206af9a692 /arch/powerpc/perf | |
| parent | powerpc: simplify ppc_save_regs (diff) | |
| download | linux-c03be0a3f3cc656eab5c427b78959b8f1b169a11.tar.xz linux-c03be0a3f3cc656eab5c427b78959b8f1b169a11.zip | |
powerpc: add definition for pt_regs offset within an interrupt frame
This is a common offset that currently uses the overloaded
STACK_FRAME_OVERHEAD constant. It's easier to read and more
flexible to use a specific regs offset for this.
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20221127124942.1665522-8-npiggin@gmail.com
Diffstat (limited to 'arch/powerpc/perf')
| -rw-r--r-- | arch/powerpc/perf/callchain.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/powerpc/perf/callchain.c b/arch/powerpc/perf/callchain.c index 8718289c051d..9e254aed1f61 100644 --- a/arch/powerpc/perf/callchain.c +++ b/arch/powerpc/perf/callchain.c @@ -67,7 +67,7 @@ perf_callchain_kernel(struct perf_callchain_entry_ctx *entry, struct pt_regs *re * This looks like an interrupt frame for an * interrupt that occurred in the kernel */ - regs = (struct pt_regs *)(sp + STACK_FRAME_OVERHEAD); + regs = (struct pt_regs *)(sp + STACK_INT_FRAME_REGS); next_ip = regs->nip; lr = regs->link; level = 0; |