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Merge tag 'arm64-stable' of git://git.kernel.org/pub/scm/linux/kernel/git/cmarinas/linux-aarch64

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Pull arm64 perf fix from Catalin Marinas:
 "Perf fix (user-mode PC recording)"

* tag 'arm64-stable' of git://git.kernel.org/pub/scm/linux/kernel/git/cmarinas/linux-aarch64:
  perf: arm64: Record the user-mode PC in the call chain.
This commit is contained in:
Linus Torvalds
2013-06-20 08:06:48 -10:00
parent c0691143df abc4125418
commit fd58b517e5
1 changed files with 1 additions and 0 deletions
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arch/arm64/kernel/perf_event.c
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@@ -1336,6 +1336,7 @@ void perf_callchain_user(struct perf_callchain_entry *entry,
return; return;
} }
perf_callchain_store(entry, regs->pc);
tail = (struct frame_tail __user *)regs->regs[29]; tail = (struct frame_tail __user *)regs->regs[29];
while (entry->nr < PERF_MAX_STACK_DEPTH && while (entry->nr < PERF_MAX_STACK_DEPTH &&