Searched hist:e287bd005ad9d85dd6271dd795d3ecfb6bca46ad (Results 1 – 5 of 5) sorted by relevance
/linux/arch/x86/kvm/ |
H A D | kvm-asm-offsets.c | diff e287bd005ad9d85dd6271dd795d3ecfb6bca46ad Mon Nov 07 09:49:59 CET 2022 Paolo Bonzini <pbonzini@redhat.com> KVM: SVM: restore host save area from assembly
Allow access to the percpu area via the GS segment base, which is needed in order to access the saved host spec_ctrl value. In linux-next FILL_RETURN_BUFFER also needs to access percpu data.
For simplicity, the physical address of the save area is added to struct svm_cpu_data.
Cc: stable@vger.kernel.org Fixes: a149180fbcf3 ("x86: Add magic AMD return-thunk") Reported-by: Nathan Chancellor <nathan@kernel.org> Analyzed-by: Andrew Cooper <andrew.cooper3@citrix.com> Tested-by: Nathan Chancellor <nathan@kernel.org> Reviewed-by: Sean Christopherson <seanjc@google.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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/linux/arch/x86/kvm/svm/ |
H A D | svm_ops.h | diff e287bd005ad9d85dd6271dd795d3ecfb6bca46ad Mon Nov 07 09:49:59 CET 2022 Paolo Bonzini <pbonzini@redhat.com> KVM: SVM: restore host save area from assembly
Allow access to the percpu area via the GS segment base, which is needed in order to access the saved host spec_ctrl value. In linux-next FILL_RETURN_BUFFER also needs to access percpu data.
For simplicity, the physical address of the save area is added to struct svm_cpu_data.
Cc: stable@vger.kernel.org Fixes: a149180fbcf3 ("x86: Add magic AMD return-thunk") Reported-by: Nathan Chancellor <nathan@kernel.org> Analyzed-by: Andrew Cooper <andrew.cooper3@citrix.com> Tested-by: Nathan Chancellor <nathan@kernel.org> Reviewed-by: Sean Christopherson <seanjc@google.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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H A D | vmenter.S | diff e287bd005ad9d85dd6271dd795d3ecfb6bca46ad Mon Nov 07 09:49:59 CET 2022 Paolo Bonzini <pbonzini@redhat.com> KVM: SVM: restore host save area from assembly
Allow access to the percpu area via the GS segment base, which is needed in order to access the saved host spec_ctrl value. In linux-next FILL_RETURN_BUFFER also needs to access percpu data.
For simplicity, the physical address of the save area is added to struct svm_cpu_data.
Cc: stable@vger.kernel.org Fixes: a149180fbcf3 ("x86: Add magic AMD return-thunk") Reported-by: Nathan Chancellor <nathan@kernel.org> Analyzed-by: Andrew Cooper <andrew.cooper3@citrix.com> Tested-by: Nathan Chancellor <nathan@kernel.org> Reviewed-by: Sean Christopherson <seanjc@google.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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H A D | svm.h | diff e287bd005ad9d85dd6271dd795d3ecfb6bca46ad Mon Nov 07 09:49:59 CET 2022 Paolo Bonzini <pbonzini@redhat.com> KVM: SVM: restore host save area from assembly
Allow access to the percpu area via the GS segment base, which is needed in order to access the saved host spec_ctrl value. In linux-next FILL_RETURN_BUFFER also needs to access percpu data.
For simplicity, the physical address of the save area is added to struct svm_cpu_data.
Cc: stable@vger.kernel.org Fixes: a149180fbcf3 ("x86: Add magic AMD return-thunk") Reported-by: Nathan Chancellor <nathan@kernel.org> Analyzed-by: Andrew Cooper <andrew.cooper3@citrix.com> Tested-by: Nathan Chancellor <nathan@kernel.org> Reviewed-by: Sean Christopherson <seanjc@google.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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H A D | svm.c | diff e287bd005ad9d85dd6271dd795d3ecfb6bca46ad Mon Nov 07 09:49:59 CET 2022 Paolo Bonzini <pbonzini@redhat.com> KVM: SVM: restore host save area from assembly
Allow access to the percpu area via the GS segment base, which is needed in order to access the saved host spec_ctrl value. In linux-next FILL_RETURN_BUFFER also needs to access percpu data.
For simplicity, the physical address of the save area is added to struct svm_cpu_data.
Cc: stable@vger.kernel.org Fixes: a149180fbcf3 ("x86: Add magic AMD return-thunk") Reported-by: Nathan Chancellor <nathan@kernel.org> Analyzed-by: Andrew Cooper <andrew.cooper3@citrix.com> Tested-by: Nathan Chancellor <nathan@kernel.org> Reviewed-by: Sean Christopherson <seanjc@google.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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