Commit d15d356887e7 removes regs->ip for !perf_hw_regs(regs) case. This
patch adds regs->ip back.
Fixes: d15d356887e7 ("perf/x86: Make perf callchains work without
CONFIG_FRAME_POINTER")
Cc: Kairui Song <[email protected]>
Cc: Peter Zijlstra (Intel) <[email protected]>
Signed-off-by: Song Liu <[email protected]>
---
arch/x86/events/core.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/x86/events/core.c b/arch/x86/events/core.c
index f315425d8468..7b8a9eb4d5fd 100644
--- a/arch/x86/events/core.c
+++ b/arch/x86/events/core.c
@@ -2402,9 +2402,9 @@ perf_callchain_kernel(struct perf_callchain_entry_ctx
*entry, struct pt_regs *re
return;
}
+ if (perf_callchain_store(entry, regs->ip))
+ return;
if (perf_hw_regs(regs)) {
- if (perf_callchain_store(entry, regs->ip))
- return;
unwind_start(&state, current, regs, NULL);
} else {
unwind_start(&state, current, NULL, (void *)regs->sp);
--
2.17.1
