lkml.org 
[lkml]   [2019]   [Aug]   [26]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 1/2] x86/microcode: Update late microcode in parallel
Hi Boris

Minor nit: Small commit log fixup below.

On Sat, Aug 24, 2019 at 10:53:00AM +0200, Borislav Petkov wrote:
> From: Ashok Raj <ashok.raj@intel.com>
> Date: Thu, 22 Aug 2019 23:43:47 +0300
>
> Microcode update was changed to be serialized due to restrictions after
> Spectre days. Updating serially on a large multi-socket system can be
> painful since it is being done on one CPU at a time.
>
> Cloud customers have expressed discontent as services disappear for a
> prolonged time. The restriction is that only one core goes through the
s/one core/one thread of a core/

> update while other cores are quiesced.
s/cores/other thread(s) of the core

>
> Do the microcode update only on the first thread of each core while
> other siblings simply wait for this to complete.
>
> [ bp: Simplify, massage, cleanup comments. ]
>

Cheers,
Ashok

\
 
 \ /
  Last update: 2019-08-26 22:24    [W:0.122 / U:0.588 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site