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| author | Frederic Weisbecker <fweisbec@gmail.com> | 2010-05-20 05:47:21 (GMT) |
|---|---|---|
| committer | Frederic Weisbecker <fweisbec@gmail.com> | 2010-06-08 21:31:27 (GMT) |
| commit | b0f82b81fe6bbcf78d478071f33e44554726bc81 (patch) | |
| tree | 6305c095b927f956a791b9dce687cb94a21718e6 /kernel | |
| parent | c9cf4dbb4d9ca715d8fedf13301a53296429abc6 (diff) | |
| download | linux-fsl-qoriq-b0f82b81fe6bbcf78d478071f33e44554726bc81.tar.xz | |
perf: Drop the skip argument from perf_arch_fetch_regs_caller
Drop this argument now that we always want to rewind only to the
state of the first caller.
It means frame pointers are not necessary anymore to reliably get
the source of an event. But this also means we need this helper
to be a macro now, as an inline function is not an option since
we need to know when to provide a default implentation.
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Cc: David Miller <davem@davemloft.net>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/perf_event.c | 5 | ||||
| -rw-r--r-- | kernel/trace/trace_event_perf.c | 2 |
2 files changed, 0 insertions, 7 deletions
diff --git a/kernel/perf_event.c b/kernel/perf_event.c index e099650..9ae4dbc 100644 --- a/kernel/perf_event.c +++ b/kernel/perf_event.c @@ -2851,11 +2851,6 @@ __weak struct perf_callchain_entry *perf_callchain(struct pt_regs *regs) return NULL; } -__weak -void perf_arch_fetch_caller_regs(struct pt_regs *regs, unsigned long ip, int skip) -{ -} - /* * We assume there is only KVM supporting the callbacks. diff --git a/kernel/trace/trace_event_perf.c b/kernel/trace/trace_event_perf.c index cb6f365..21db1d3 100644 --- a/kernel/trace/trace_event_perf.c +++ b/kernel/trace/trace_event_perf.c @@ -9,8 +9,6 @@ #include <linux/kprobes.h> #include "trace.h" -EXPORT_SYMBOL_GPL(perf_arch_fetch_caller_regs); - static char *perf_trace_buf[4]; /* |