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(parent: 1dd9fa0) | patch
x86: ignore guest microcode loading attempts
authorJan Beulich <jbeulich@suse.com>
Thu, 15 Mar 2018 11:44:24 +0000 (12:44 +0100)
committerJan Beulich <jbeulich@suse.com>
Thu, 15 Mar 2018 11:44:24 +0000 (12:44 +0100)
commit59c0983e10d70ea2368085271b75fb007811fe52
tree1ad8ce3842cde2d9d46d92e511f6713e4072f986tree
parent1dd9fa04fae69a2371572663d150c976a9e948d3commit | diff
x86: ignore guest microcode loading attempts

The respective MSRs are write-only, and hence attempts by guests to
write to these are - as of 1f1d183d49 ("x86/HVM: don't give the wrong
impression of WRMSR succeeding") no longer ignored. Restore original
behavior for the two affected MSRs.

Signed-off-by: Jan Beulich <jbeulich@suse.com>
Reviewed-by: Andrew Cooper <andrew.cooper3@citrix.com>
xen/arch/x86/msr.c diff | blob | blame | history
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