kvm: x86: Move IA32_XSS to kvm_{get,set}_msr_common

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Hoist support for RDMSR/WRMSR of IA32_XSS from vmx into common code so
that it can be used for svm as well.

Right now, kvm only allows the guest IA32_XSS to be zero,
so the guest's usage of XSAVES will be exactly the same as XSAVEC.

Reviewed-by: Jim Mattson <jmattson@google.com>
Signed-off-by: Aaron Lewis <aaronlewis@google.com>
Change-Id: Ie4b0f777d71e428fbee6e82071ac2d7618e9bb40
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

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This commit is contained in:

Aaron Lewis 2019-10-21 16:30:26 -07:00 • committed by Paolo Bonzini

parent 139a12cfe1

commit 864e2ab2b4

2 changed files with 20 additions and 18 deletions

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18

arch/x86/kvm/vmx/vmx.c

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20

arch/x86/kvm/x86.c

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