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

Stephen Rothwell
2025-03-06T04:31:49Z

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Hi all,

On Tue, 4 Mar 2025 16:25:31 +1100 Stephen Rothwell <sfr@canb.auug.org.au> wrote:
>
> After merging the tip tree, today's linux-next build (x86_64 allmodconfig)
> failed like this:
>
> In file included from include/asm-generic/percpu.h:7,
> from arch/x86/include/asm/percpu.h:597,
> from arch/x86/include/asm/preempt.h:6,
> from include/linux/preempt.h:79,
> from include/linux/spinlock.h:56,
> from include/linux/wait.h:9,
> from include/linux/wait_bit.h:8,
> from include/linux/fs.h:7,
> from kernel/events/core.c:11:
> kernel/events/core.c: In function 'this_cpc':
> include/linux/percpu-defs.h:220:45: error: initialization from pointer to non-enclosed address space
> 220 | const void __percpu *__vpp_verify = (typeof((ptr) + 0))NULL; \
> | ^
> include/linux/percpu-defs.h:251:9: note: in expansion of macro '__verify_pcpu_ptr'
> 251 | __verify_pcpu_ptr(ptr); \
> | ^~~~~~~~~~~~~~~~~
> kernel/events/core.c:1222:17: note: in expansion of macro 'this_cpu_ptr'
> 1222 | return *this_cpu_ptr(pmu->cpu_pmu_context);
> | ^~~~~~~~~~~~
>
> (and many more similar)
>
> Presumably caused by commit
>
> f67d1ffd841f ("perf/core: Detach 'struct perf_cpu_pmu_context' and 'struct pmu' lifetimes")
>
> I have used the tip tree from next-20250303 for today.

I am still seeing this build failure.

--
Cheers,
Stephen Rothwell

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