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(parent: db5a36b) | patch
Flush caches before initiating a microcode update on Intel CPUs.
authorMark Johnston <markj@FreeBSD.org>
Tue, 22 May 2018 15:38:51 +0000 (15:38 +0000)
committerMark Johnston <markj@FreeBSD.org>
Tue, 22 May 2018 15:38:51 +0000 (15:38 +0000)
commit6030b0c672b55d099a1f4c3d18f119d1215b4324
treed04f8c64741368158252c29863cd703f0334c69atree | snapshot
parentdb5a36bddf048fe9fb07ad3f4981cca552e04451commit | diff
Flush caches before initiating a microcode update on Intel CPUs.

This apparently works around issues with updates of certain Broadwell
CPUs.

Reviewed by: emaste, kib, sbruno
MFC after: 3 days
Differential Revision: https://reviews.freebsd.org/D15520
sys/dev/cpuctl/cpuctl.c diff | blob | history
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