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

Stephen Rothwell
2025-03-04T05:25:35Z

Hi all,

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.

--
Cheers,
Stephen Rothwell