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, 3 deletions

diff --git a/arch/sparc/kernel/perf_event.c b/arch/sparc/kernel/perf_event.c
index 460162d74aba..4bc402938575 100644
--- a/arch/sparc/kernel/perf_event.c
+++ b/arch/sparc/kernel/perf_event.c
@@ -1293,7 +1293,6 @@ void perf_callchain_kernel(struct perf_callchain_entry *entry,
 
         stack_trace_flush();
 
-        perf_callchain_store(entry, PERF_CONTEXT_KERNEL);
         perf_callchain_store(entry, regs->tpc);
 
         ksp = regs->u_regs[UREG_I6];
@@ -1337,7 +1336,6 @@ static void perf_callchain_user_64(struct perf_callchain_entry *entry,
 {
         unsigned long ufp;
 
-        perf_callchain_store(entry, PERF_CONTEXT_USER);
         perf_callchain_store(entry, regs->tpc);
 
         ufp = regs->u_regs[UREG_I6] + STACK_BIAS;
@@ -1360,7 +1358,6 @@ static void perf_callchain_user_32(struct perf_callchain_entry *entry,
 {
         unsigned long ufp;
 
-        perf_callchain_store(entry, PERF_CONTEXT_USER);
         perf_callchain_store(entry, regs->tpc);
 
         ufp = regs->u_regs[UREG_I6] & 0xffffffffUL;