Searched hist:"8173396 e94c10dccde5e890f1bb31d11c05cae68" (Results 1 – 3 of 3) sorted by relevance
/linux/arch/x86/kvm/svm/ |
H A D | nested.c | diff 8173396e94c10dccde5e890f1bb31d11c05cae68 Mon Mar 01 21:08:44 CET 2021 Cathy Avery <cavery@redhat.com> KVM: nSVM: Optimize vmcb12 to vmcb02 save area copies
Use the vmcb12 control clean field to determine which vmcb12.save registers were marked dirty in order to minimize register copies when switching from L1 to L2. Those vmcb12 registers marked as dirty need to be copied to L0's vmcb02 as they will be used to update the vmcb state cache for the L2 VMRUN. In the case where we have a different vmcb12 from the last L2 VMRUN all vmcb12.save registers must be copied over to L2.save.
Tested: kvm-unit-tests kvm selftests Fedora L1 L2
Suggested-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Cathy Avery <cavery@redhat.com> Message-Id: <20210301200844.2000-1-cavery@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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H A D | svm.h | diff 8173396e94c10dccde5e890f1bb31d11c05cae68 Mon Mar 01 21:08:44 CET 2021 Cathy Avery <cavery@redhat.com> KVM: nSVM: Optimize vmcb12 to vmcb02 save area copies
Use the vmcb12 control clean field to determine which vmcb12.save registers were marked dirty in order to minimize register copies when switching from L1 to L2. Those vmcb12 registers marked as dirty need to be copied to L0's vmcb02 as they will be used to update the vmcb state cache for the L2 VMRUN. In the case where we have a different vmcb12 from the last L2 VMRUN all vmcb12.save registers must be copied over to L2.save.
Tested: kvm-unit-tests kvm selftests Fedora L1 L2
Suggested-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Cathy Avery <cavery@redhat.com> Message-Id: <20210301200844.2000-1-cavery@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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H A D | svm.c | diff 8173396e94c10dccde5e890f1bb31d11c05cae68 Mon Mar 01 21:08:44 CET 2021 Cathy Avery <cavery@redhat.com> KVM: nSVM: Optimize vmcb12 to vmcb02 save area copies
Use the vmcb12 control clean field to determine which vmcb12.save registers were marked dirty in order to minimize register copies when switching from L1 to L2. Those vmcb12 registers marked as dirty need to be copied to L0's vmcb02 as they will be used to update the vmcb state cache for the L2 VMRUN. In the case where we have a different vmcb12 from the last L2 VMRUN all vmcb12.save registers must be copied over to L2.save.
Tested: kvm-unit-tests kvm selftests Fedora L1 L2
Suggested-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Cathy Avery <cavery@redhat.com> Message-Id: <20210301200844.2000-1-cavery@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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