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(parent: 8cf2250) | patch
x86/msr: explicitly handle AMD DE_CFG
authorRoger Pau Monné <roger.pau@citrix.com>
Fri, 4 Sep 2020 09:00:46 +0000 (11:00 +0200)
committerJan Beulich <jbeulich@suse.com>
Fri, 4 Sep 2020 09:00:46 +0000 (11:00 +0200)
commit4175fd3ccd17face664036fa98e9329aa317f7b6
treedb77c3301f5d45bfc8bb44f7b63e4ea35192e821tree | snapshot
parent8cf225013582723275f0d60f1107319f5963af7fcommit | diff
x86/msr: explicitly handle AMD DE_CFG

Report LFENCE_SERIALISE unconditionally for DE_CFG on AMD hardware and
silently drop writes.

Reported-by: Andrew Cooper <andrew.cooper3@citrix.com>
Signed-off-by: Roger Pau Monné <roger.pau@citrix.com>
Reviewed-by: Andrew Cooper <andrew.cooper3@citrix.com>
xen/arch/x86/msr.c diff | blob | history
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