From c1317ec2b906442930318d9d6e51425c5a69e9cb Mon Sep 17 00:00:00 2001 From: Andy Lutomirski Date: Fri, 24 Oct 2014 15:58:11 -0700 Subject: [PATCH] perf: Pass the event to arch_perf_update_userpage() Signed-off-by: Andy Lutomirski Signed-off-by: Peter Zijlstra (Intel) Cc: Paul Mackerras Cc: Arnaldo Carvalho de Melo Cc: Kees Cook Cc: Andrea Arcangeli Cc: Vince Weaver Cc: "hillf.zj" Cc: Valdis Kletnieks Cc: Linus Torvalds Link: http://lkml.kernel.org/r/0fea9a7fac3c1eea86cb0a5954184e74f4213666.1414190806.git.luto@amacapital.net Signed-off-by: Ingo Molnar --- 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 6b5acd5f4a34..73e84a348de1 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 cc1487145d33..13209a90b751 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; -- 2.20.1