* Ingo Molnar <mi...@kernel.org> wrote:
> Here's the full list of warnings for allmod64:
>
> make bzImage:
>
> include/linux/blkdev.h:624:26: warning: switch condition has boolean value
> [-Wswitch-bool]
> ./arch/x86/include/asm/qspinlock.h:28:2: warning: implicit declaration of
> function ?pv_queued_spin_lock_slowpath? [-Wimplicit-function-declaration]
> ./arch/x86/include/asm/qspinlock.h:33:2: warning: implicit declaration of
> function ?pv_queued_spin_unlock? [-Wimplicit-function-declaration]
> ./arch/x86/include/asm/qspinlock.h:28:2: warning: implicit declaration of
> function ?pv_queued_spin_lock_slowpath? [-Wimplicit-function-declaration]
> ./arch/x86/include/asm/qspinlock.h:33:2: warning: implicit declaration of
> function ?pv_queued_spin_unlock? [-Wimplicit-function-declaration]
> ./arch/x86/include/asm/qspinlock.h:28:2: warning: implicit declaration of
> function ?pv_queued_spin_lock_slowpath? [-Wimplicit-function-declaration]
> ./arch/x86/include/asm/qspinlock.h:33:2: warning: implicit declaration of
> function ?pv_queued_spin_unlock? [-Wimplicit-function-declaration]
> ./arch/x86/include/asm/qspinlock.h:28:2: warning: implicit declaration of
> function ?pv_queued_spin_lock_slowpath? [-Wimplicit-function-declaration]
> ./arch/x86/include/asm/qspinlock.h:33:2: warning: implicit declaration of
> function ?pv_queued_spin_unlock? [-Wimplicit-function-declaration]
And that comes from tip:locking/core, but those warnings do not show
up with GCC 4.9.2: so it's either a GCC 5.0.1 bug, or we missed
something with the WIP queued pv spinlocks changes that newer GCC is
able to notice.
Thanks,
Ingo
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