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

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Message-ID: <20250311152429.32d9f824@canb.auug.org.au>
Date: Tue, 11 Mar 2025 15:24:29 +1100
From: Stephen Rothwell <sfr@...b.auug.org.au>
To: Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...hat.com>,
 "H. Peter Anvin" <hpa@...or.com>, Peter Zijlstra <peterz@...radead.org>
Cc: 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 tip tree

Hi all,

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

Ditto.  Anything happening with this?

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

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