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

From: Stephen Rothwell
Date: Tue Mar 11 2025 - 00:24:42 EST


Hi all,

On Thu, 6 Mar 2025 15:25:16 +1100 Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> wrote:
>
> On Tue, 4 Mar 2025 16:25:31 +1100 Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> 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.

Ditto. Anything happening with this?

I am still using the tip tree from next-20250303.
--
Cheers,
Stephen Rothwell

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