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authorNicholas Piggin <npiggin@gmail.com>2022-11-27 15:49:34 +0300
committerMichael Ellerman <mpe@ellerman.id.au>2022-12-02 09:54:08 +0300
commite856e336924b0ecd0b7058e65e6b3e7266ee0b95 (patch)
treef775820fdb00bea3cc78c0a172aa508b50fb43cb /arch/powerpc/perf
parentd2e8ff9f1492f44c5a6d93f759eea27574d753de (diff)
downloadlinux-e856e336924b0ecd0b7058e65e6b3e7266ee0b95.tar.xz
powerpc: Rename STACK_FRAME_MARKER and derive it from frame offset
This is a count of longs from the stack pointer to the regs marker. Rename it to make it more distinct from the other byte offsets. It can be derived from the byte offset definitions just added. Signed-off-by: Nicholas Piggin <npiggin@gmail.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20221127124942.1665522-10-npiggin@gmail.com
Diffstat (limited to 'arch/powerpc/perf')
-rw-r--r--arch/powerpc/perf/callchain.c2
1 files changed, 1 insertions, 1 deletions
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