diff options
| author | Zubin Mithra <zsm@chromium.org> | 2018-08-10 08:43:14 -0700 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2018-09-10 14:55:36 +0200 |
| commit | 2766d2ee960c52adc415931130dd6910158dd04d (patch) | |
| tree | 65101158114c21729cf18266dd280172e76aadae | |
| parent | ba6cc93d611b2329f6f1f05d530c1766036863f0 (diff) | |
perf/x86: Add __ro_after_init annotations
x86_pmu_{format,events,attr,caps}_group is written to in
init_hw_perf_events and not modified after. This makes them suitable
candidates for annotating as __ro_after_init.
Signed-off-by: Zubin Mithra <zsm@chromium.org>
Reviewed-by: Kees Cook <keescook@chromium.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: acme@kernel.org
Cc: alexander.shishkin@linux.intel.com
Cc: groeck@chromium.org
Link: http://lkml.kernel.org/r/20180810154314.96710-1-zsm@chromium.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
| -rw-r--r-- | arch/x86/events/core.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/x86/events/core.c b/arch/x86/events/core.c index dfb2f7c0d019..7a6fb9b2bec5 100644 --- a/arch/x86/events/core.c +++ b/arch/x86/events/core.c @@ -1584,7 +1584,7 @@ static void __init pmu_check_apic(void) } -static struct attribute_group x86_pmu_format_group = { +static struct attribute_group x86_pmu_format_group __ro_after_init = { .name = "format", .attrs = NULL, }; @@ -1715,7 +1715,7 @@ static struct attribute *events_attr[] = { NULL, }; -static struct attribute_group x86_pmu_events_group = { +static struct attribute_group x86_pmu_events_group __ro_after_init = { .name = "events", .attrs = events_attr, }; @@ -2230,7 +2230,7 @@ static struct attribute *x86_pmu_attrs[] = { NULL, }; -static struct attribute_group x86_pmu_attr_group = { +static struct attribute_group x86_pmu_attr_group __ro_after_init = { .attrs = x86_pmu_attrs, }; @@ -2248,7 +2248,7 @@ static struct attribute *x86_pmu_caps_attrs[] = { NULL }; -static struct attribute_group x86_pmu_caps_group = { +static struct attribute_group x86_pmu_caps_group __ro_after_init = { .name = "caps", .attrs = x86_pmu_caps_attrs, }; |