x86/microcode: Request microcode on the BSP

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commit cfb52a5a09 upstream.

... so that any newer version can land in the cache and can later be
fished out by the application functions. Do that before grabbing the
hotplug lock.

Signed-off-by: Borislav Petkov <bp@suse.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Tom Lendacky <thomas.lendacky@amd.com>
Tested-by: Ashok Raj <ashok.raj@intel.com>
Reviewed-by: Tom Lendacky <thomas.lendacky@amd.com>
Cc: Arjan Van De Ven <arjan.van.de.ven@intel.com>
Link: https://lkml.kernel.org/r/20180228102846.13447-7-bp@alien8.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

...

This commit is contained in:

Borislav Petkov 2018-02-28 11:28:45 +01:00 • committed by Greg Kroah-Hartman

parent d272584823

commit 509df2b865

1 changed files with 5 additions and 6 deletions

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arch/x86/kernel/cpu/microcode/core.c

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