Messages in this thread | | | Subject | Re: [PATCH 7/7] x86/microcode: Synchronize late microcode loading | From | Tom Lendacky <> | Date | Mon, 5 Mar 2018 16:09:31 -0600 |
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On 2/28/2018 4:28 AM, Borislav Petkov wrote: > From: Ashok Raj <ashok.raj@intel.com> > > Original idea by Ashok, completely rewritten by Borislav. > > Before you read any further: the early loading method is still the > preferred one and you should always do that. The following patch is > improving the late loading mechanism for long running jobs and cloud use > cases. > > Gather all cores and serialize the microcode update on them by doing it > one-by-one to make the late update process as reliable as possible and > avoid potential issues caused by the microcode update. > > Signed-off-by: Ashok Raj <ashok.raj@intel.com> > [Rewrite completely. ] > Co-developed-by: Borislav Petkov <bp@suse.de> > Signed-off-by: Borislav Petkov <bp@suse.de> > --- > arch/x86/kernel/cpu/microcode/core.c | 118 +++++++++++++++++++++++++++-------- > 1 file changed, 92 insertions(+), 26 deletions(-) >
Reviewed-by: Tom Lendacky <thomas.lendacky@amd.com>
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