diff mbox series

arm64: perf_event: Add missing header needed for smp_processor_id()

Message ID 20190820155745.20593-1-raphael.gault@arm.com (mailing list archive)
State Mainlined
Commit d91cc2f46ad5bd8020902093385fedf7e9e9d755
Headers show
Series arm64: perf_event: Add missing header needed for smp_processor_id() | expand

Commit Message

Raphael Gault Aug. 20, 2019, 3:57 p.m. UTC
Acked-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Raphael Gault <raphael.gault@arm.com>
---
 arch/arm64/kernel/perf_event.c | 1 +
 1 file changed, 1 insertion(+)

Comments

Mark Rutland Aug. 20, 2019, 4:06 p.m. UTC | #1
On Tue, Aug 20, 2019 at 04:57:45PM +0100, Raphael Gault wrote:

It would be worth having a body for the commit message like:

| in perf_event.c we use smp_processor_id(), but we haven't included 
| <linux/smp.h> where it is defined, and rely on this being pulled in 
| via a transitive include. Let's make this more robust by including
| <linux.smp.h> explciitly.

... and with that, my Acked-by stands.

Thanks,
Mark.

> Acked-by: Mark Rutland <mark.rutland@arm.com>
> Signed-off-by: Raphael Gault <raphael.gault@arm.com>
> ---
>  arch/arm64/kernel/perf_event.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/arch/arm64/kernel/perf_event.c b/arch/arm64/kernel/perf_event.c
> index 96e90e270042..24575c0a0065 100644
> --- a/arch/arm64/kernel/perf_event.c
> +++ b/arch/arm64/kernel/perf_event.c
> @@ -19,6 +19,7 @@
>  #include <linux/of.h>
>  #include <linux/perf/arm_pmu.h>
>  #include <linux/platform_device.h>
> +#include <linux/smp.h>
>  
>  /* ARMv8 Cortex-A53 specific event types. */
>  #define ARMV8_A53_PERFCTR_PREF_LINEFILL				0xC2
> -- 
> 2.17.1
>
Will Deacon Aug. 20, 2019, 4:11 p.m. UTC | #2
On Tue, Aug 20, 2019 at 05:06:29PM +0100, Mark Rutland wrote:
> On Tue, Aug 20, 2019 at 04:57:45PM +0100, Raphael Gault wrote:
> 
> It would be worth having a body for the commit message like:
> 
> | in perf_event.c we use smp_processor_id(), but we haven't included 
> | <linux/smp.h> where it is defined, and rely on this being pulled in 
> | via a transitive include. Let's make this more robust by including
> | <linux.smp.h> explciitly.
> 
> ... and with that, my Acked-by stands.

Queued for 5.4. with typo fixed above.

Will
diff mbox series

Patch

diff --git a/arch/arm64/kernel/perf_event.c b/arch/arm64/kernel/perf_event.c
index 96e90e270042..24575c0a0065 100644
--- a/arch/arm64/kernel/perf_event.c
+++ b/arch/arm64/kernel/perf_event.c
@@ -19,6 +19,7 @@ 
 #include <linux/of.h>
 #include <linux/perf/arm_pmu.h>
 #include <linux/platform_device.h>
+#include <linux/smp.h>
 
 /* ARMv8 Cortex-A53 specific event types. */
 #define ARMV8_A53_PERFCTR_PREF_LINEFILL				0xC2