x86/tsc: Make CONFIG_X86_TSC=n build work again

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tsc_async_resets is only available when CONFIG_X86_TSC=y. So a build with
CONFIG_X86_TSC=n breaks:

arch/x86/kernel/tsc.o: In function `tsc_init':
(.init.text+0x87b): undefined reference to `tsc_async_resets'

Add a stub define for the TSC=n case.

Side note: This config switch should simply be removed.

Reported-by: kbuild test robot <fengguang.wu@intel.com>
Fixes: 341102c3ef ("x86/tsc: Add option that TSC on Socket 0 being non-zero is valid")
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Mike Travis <mike.travis@hpe.com>

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This commit is contained in:

Thomas Gleixner 2017-10-17 08:49:37 +02:00

parent 97d21003df

commit c0fc9b1350

1 changed files with 4 additions and 0 deletions

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arch/x86/include/asm/tsc.h

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