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

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Message-ID: <20250317151306.GA12227@willie-the-truck>
Date: Mon, 17 Mar 2025 15:13:07 +0000
From: Will Deacon <will@...nel.org>
To: Stephen Rothwell <sfr@...b.auug.org.au>
Cc: Robin Murphy <robin.murphy@....com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Linux Next Mailing List <linux-next@...r.kernel.org>
Subject: Re: linux-next: build failure after merge of the arm-perf tree

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