Re: linux-next: build failure after merge of the arm-perf tree

From: Will Deacon
Date: Mon Mar 17 2025 - 11:15:01 EST


On Mon, Mar 17, 2025 at 11:21:46AM +1100, Stephen Rothwell wrote:
> Hi all,
>
> After merging the arm-perf tree, today's linux-next build (x86_64
> allmodconfig) failed like this:
>
> drivers/perf/arm_cspmu/nvidia_cspmu.c: In function 'nv_cspmu_set_ev_filter':
> drivers/perf/arm_cspmu/nvidia_cspmu.c:192:9: error: implicit declaration of function 'writel' [-Wimplicit-function-declaration]
> 192 | writel(filter, cspmu->base0 + offset);
> | ^~~~~~
>
> Caused by commit
>
> 6de0298a3925 ("perf/arm_cspmu: Generalise event filtering")
>
> I have used the arm-perf tree from next-20250314 for today.

Thanks, Stephen. Robin's fixed this now, so you should be able to use
the latest arm-perf tree again.

Will