perf: Factorize callchain context handling

Store the kernel and user contexts from the generic layer instead
of archs, this gathers some repetitive code.

Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Acked-by: Paul Mackerras <paulus@samba.org>
Tested-by: Will Deacon <will.deacon@arm.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Stephane Eranian <eranian@google.com>
Cc: David Miller <davem@davemloft.net>
Cc: Paul Mundt <lethal@linux-sh.org>
Cc: Borislav Petkov <bp@amd64.org>

1 files changed, 0 insertions, 2 deletions

diff --git a/arch/arm/kernel/perf_event.c b/arch/arm/kernel/perf_event.c
index 0e3bbdb15927..64ca8c3ab94b 100644
--- a/arch/arm/kernel/perf_event.c
+++ b/arch/arm/kernel/perf_event.c
@@ -3049,7 +3049,6 @@ perf_callchain_user(struct perf_callchain_entry *entry, struct pt_regs *regs)
 {
         struct frame_tail *tail;
 
-        perf_callchain_store(entry, PERF_CONTEXT_USER);
 
         tail = (struct frame_tail *)regs->ARM_fp - 1;
 
@@ -3076,7 +3075,6 @@ perf_callchain_kernel(struct perf_callchain_entry *entry, struct pt_regs *regs)
 {
         struct stackframe fr;
 
-        perf_callchain_store(entry, PERF_CONTEXT_KERNEL);
         fr.fp = regs->ARM_fp;
         fr.sp = regs->ARM_sp;
         fr.lr = regs->ARM_lr;