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linux/arch/x86/include
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Borislav Petkov c81d7069dc x86/microcode: Attempt late loading only when new microcode is present 
commit 2613f36ed9 upstream.

Return UCODE_NEW from the scanning functions to denote that new microcode
was found and only then attempt the expensive synchronization dance.

Reported-by: Emanuel Czirai <xftroxgpx@protonmail.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Emanuel Czirai <xftroxgpx@protonmail.com>
Tested-by: Ashok Raj <ashok.raj@intel.com>
Tested-by: Tom Lendacky <thomas.lendacky@amd.com>
Link: https://lkml.kernel.org/r/20180314183615.17629-1-bp@alien8.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
History 2018-04-12 12:32:22 +02:00
..
asm x86/microcode: Attempt late loading only when new microcode is present 2018-04-12 12:32:22 +02:00
uapi/asm x86/MCE: Save microcode revision in machine check records 2018-03-15 10:54:33 +01:00