Re: [PATCH 1/2] arm: perf: Fix ARCH=arm build with GCC in armv8pmu_write_evtype()

[Uwe Kleine-König]

Hello,

On Fri, Dec 15, 2023 at 03:00:38PM +0000, James Clark wrote:
> diff --git a/drivers/perf/arm_pmuv3.c b/drivers/perf/arm_pmuv3.c
> index 23fa6c5da82c..3ed2086cefc3 100644
> --- a/drivers/perf/arm_pmuv3.c
> +++ b/drivers/perf/arm_pmuv3.c
> @@ -631,8 +631,9 @@ static void armv8pmu_write_evtype(int idx, unsigned long val)
>  			     ARMV8_PMU_EXCLUDE_EL0 |
>  			     ARMV8_PMU_EXCLUDE_EL1;
>  
> -	if (IS_ENABLED(CONFIG_ARM64))
> -		mask |= ARMV8_PMU_EVTYPE_TC | ARMV8_PMU_EVTYPE_TH;
> +#if IS_ENABLED(CONFIG_ARM64)
> +	mask |= ARMV8_PMU_EVTYPE_TC | ARMV8_PMU_EVTYPE_TH;
> +#endif

maybe add a comment about why you used an #if here, to prevent the
people sending patches that revert your change?

Best regards
Uwe

-- 
Pengutronix e.K.                           | Uwe Kleine-König            |
Industrial Linux Solutions                 | https://www.pengutronix.de/ |

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