Hi all,
Building Linus' tree, today's linux-next build (x86_64 allmodcongig)
failed like this:
In file included from arch/x86/include/asm/atomic.h:5,
from include/linux/atomic.h:7,
from include/linux/llist.h:51,
from include/linux/irq_work.h:5,
from kernel/smp.c:10:
kernel/smp.c: In function 'smp_init':
include/linux/compiler.h:392:38: error: call to '__compiletime_assert_869' declared with attribute error: BUILD_BUG_ON failed: offsetof(struct task_struct, wake_entry_type) - offsetof(struct task_struct, wake_entry) != offsetof(struct __call_single_data, flags) - offsetof(struct __call_single_data, llist)
392 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^
include/linux/compiler.h:373:4: note: in definition of macro '__compiletime_assert'
373 | prefix ## suffix(); \
| ^~~~~~
include/linux/compiler.h:392:2: note: in expansion of macro '_compiletime_assert'
392 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert'
39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
| ^~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:50:2: note: in expansion of macro 'BUILD_BUG_ON_MSG'
50 | BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
| ^~~~~~~~~~~~~~~~
kernel/smp.c:687:2: note: in expansion of macro 'BUILD_BUG_ON'
687 | BUILD_BUG_ON(offsetof(struct task_struct, wake_entry_type) - offsetof(struct task_struct, wake_entry) !=
| ^~~~~~~~~~~~
Caused by me starting to build with various GCC_PLUGIN config options set.
I have cherry-picked commit
bfb9fbe0f7e7 ("sched: Fix RANDSTRUCT build fail")
from the tip tree until it is sent upstream to Linus.
--
Cheers,
Stephen Rothwell
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