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

[Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>]

Hi all,

After merging the tip tree, today's linux-next build (x86_64 allmodconfig)
failed like this:

arch/x86/kernel/process.c: In function 'mwait_idle':
/scratch/sfr/next/arch/x86/kernel/process.c:434:3: error: implicit declaration of function '__monitor' [-Werror=implicit-function-declaration]
   __monitor((void *)&current_thread_info()->flags, 0, 0);
   ^
arch/x86/kernel/process.c:437:4: error: implicit declaration of function '__sti_mwait' [-Werror=implicit-function-declaration]
    __sti_mwait(0, 0);
    ^

Caused by commit 16824255394f ("x86, acpi, idle: Restructure the mwait
idle routines") interacting with commit 7760518cce95 ("x86 idle: restore
mwait_idle()") from the idle tree.

I am not sure how to fix this so I just reverted the idle tree commit for
now (since it reverted cleanly). Please let me know if there is a better
solution.

-- 
Cheers,
Stephen Rothwell                    sfr@xxxxxxxxxxxxxxxx

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