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KVM: x86: Keep MSR_IA32_XSS unchanged for INIT
authorXiaoyao Li <xiaoyao.li@intel.com>
Wed, 26 Jan 2022 17:22:24 +0000 (17:22 +0000)
committerPaolo Bonzini <pbonzini@redhat.com>
Wed, 26 Jan 2022 17:42:44 +0000 (12:42 -0500)
commitbe9317f1cb3ae208921d173941f44d39b61c8428
tree2a6b27ff68b6be6f47d55a7fb3e95c111b2c6ad6tree | snapshot
parent693c1e920a3912ea89ce020fdba8dd8a8cdd1ab4commit | diff
KVM: x86: Keep MSR_IA32_XSS unchanged for INIT

It has been corrected from SDM version 075 that MSR_IA32_XSS is reset to
zero on Power up and Reset but keeps unchanged on INIT.

Fixes: 85ccba8fb574 ("KVM: X86: Processor States following Reset or INIT")
Cc: stable@vger.kernel.org
Signed-off-by: Xiaoyao Li <xiaoyao.li@intel.com>
Signed-off-by: Sean Christopherson <seanjc@google.com>
Message-Id: <20220126172226.2298529-2-seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
arch/x86/kvm/x86.c diff | blob | history
Linux Kernel Source Tree.