Commit-ID: c1317ec2b906442930318d9d6e51425c5a69e9cb
Gitweb: http://git.kernel.org/tip/c1317ec2b906442930318d9d6e51425c5a69e9cb
Author: Andy Lutomirski <luto@xxxxxxxxxxxxxx>
AuthorDate: Fri, 24 Oct 2014 15:58:11 -0700
Committer: Ingo Molnar <mingo@xxxxxxxxxx>
CommitDate: Wed, 4 Feb 2015 12:10:46 +0100
perf: Pass the event to arch_perf_update_userpage()
Signed-off-by: Andy Lutomirski <luto@xxxxxxxxxxxxxx>
Signed-off-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx>
Cc: Paul Mackerras <paulus@xxxxxxxxx>
Cc: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
Cc: Kees Cook <keescook@xxxxxxxxxxxx>
Cc: Andrea Arcangeli <aarcange@xxxxxxxxxx>
Cc: Vince Weaver <vince@xxxxxxxxxx>
Cc: "hillf.zj" <hillf.zj@xxxxxxxxxxxxxxx>
Cc: Valdis Kletnieks <Valdis.Kletnieks@xxxxxx>
Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Link: http://lkml.kernel.org/r/0fea9a7fac3c1eea86cb0a5954184e74f4213666.1414190806.git.luto@xxxxxxxxxxxxxx
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
---
arch/x86/kernel/cpu/perf_event.c | 3 ++-
kernel/events/core.c | 5 +++--
2 files changed, 5 insertions(+), 3 deletions(-)
diff --git a/arch/x86/kernel/cpu/perf_event.c b/arch/x86/kernel/cpu/perf_event.c
index 6b5acd5..73e84a3 100644
--- a/arch/x86/kernel/cpu/perf_event.c
+++ b/arch/x86/kernel/cpu/perf_event.c
@@ -1915,7 +1915,8 @@ static struct pmu pmu = {
.flush_branch_stack = x86_pmu_flush_branch_stack,
};
-void arch_perf_update_userpage(struct perf_event_mmap_page *userpg, u64 now)
+void arch_perf_update_userpage(struct perf_event *event,
+ struct perf_event_mmap_page *userpg, u64 now)
{
struct cyc2ns_data *data;
diff --git a/kernel/events/core.c b/kernel/events/core.c
index cc14871..13209a9 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -4101,7 +4101,8 @@ unlock:
rcu_read_unlock();
}
-void __weak arch_perf_update_userpage(struct perf_event_mmap_page *userpg, u64 now)
+void __weak arch_perf_update_userpage(
+ struct perf_event *event, struct perf_event_mmap_page *userpg, u64 now)
{
}
@@ -4151,7 +4152,7 @@ void perf_event_update_userpage(struct perf_event *event)
userpg->time_running = running +
atomic64_read(&event->child_total_time_running);
- arch_perf_update_userpage(userpg, now);
+ arch_perf_update_userpage(event, userpg, now);
barrier();
++userpg->lock;
--
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