x86/smpboot: Do not use BSP INIT delay and MWAIT to idle on Dhyana

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The Hygon Dhyana CPU uses no delay in smp_quirk_init_udelay(), and does
HLT on idle just like AMD does.

Signed-off-by: Pu Wen <puwen@hygon.cn>
Signed-off-by: Borislav Petkov <bp@suse.de>
Reviewed-by: Borislav Petkov <bp@suse.de>
Cc: bp@alien8.de
Cc: tglx@linutronix.de
Cc: mingo@redhat.com
Cc: hpa@zytor.com
Cc: x86@kernel.org
Cc: thomas.lendacky@amd.com
Link: https://lkml.kernel.org/r/87000fa82e273f5967c908448414228faf61e077.1537533369.git.puwen@hygon.cn

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Pu Wen 2018-09-23 17:34:32 +08:00 • committed by Borislav Petkov

parent 39dc6f154d

commit 0b13bec787

1 changed files with 3 additions and 1 deletions

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arch/x86/kernel/smpboot.c

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