diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71-e3000/0067-KVM-SVM-Reserve-ASID-range-for-SEV-guest.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71-e3000/0067-KVM-SVM-Reserve-ASID-range-for-SEV-guest.patch | 56 |
1 files changed, 0 insertions, 56 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71-e3000/0067-KVM-SVM-Reserve-ASID-range-for-SEV-guest.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71-e3000/0067-KVM-SVM-Reserve-ASID-range-for-SEV-guest.patch deleted file mode 100644 index 906fdc79..00000000 --- a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71-e3000/0067-KVM-SVM-Reserve-ASID-range-for-SEV-guest.patch +++ /dev/null @@ -1,56 +0,0 @@ -From 30b685840d3edf4a1e0750c0f0f88acf0d2e1629 Mon Sep 17 00:00:00 2001 -From: Brijesh Singh <brijesh.singh@amd.com> -Date: Mon, 4 Dec 2017 10:57:32 -0600 -Subject: [PATCH 67/95] KVM: SVM: Reserve ASID range for SEV guest -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -A SEV-enabled guest must use ASIDs from the defined subset, while non-SEV -guests can use the remaining ASID range. The range of allowed SEV guest -ASIDs is [1 - CPUID_8000_001F[ECX][31:0]]. - -Cc: Thomas Gleixner <tglx@linutronix.de> -Cc: Ingo Molnar <mingo@redhat.com> -Cc: "H. Peter Anvin" <hpa@zytor.com> -Cc: Paolo Bonzini <pbonzini@redhat.com> -Cc: "Radim Krčmář" <rkrcmar@redhat.com> -Cc: Joerg Roedel <joro@8bytes.org> -Cc: Borislav Petkov <bp@suse.de> -Cc: Tom Lendacky <thomas.lendacky@amd.com> -Cc: x86@kernel.org -Cc: kvm@vger.kernel.org -Cc: linux-kernel@vger.kernel.org -Improvements-by: Borislav Petkov <bp@suse.de> -Signed-off-by: Brijesh Singh <brijesh.singh@amd.com> -Reviewed-by: Borislav Petkov <bp@suse.de> -Signed-off-by: Sudheesh Mavila <sudheesh.mavila@amd.com> ---- - arch/x86/kvm/svm.c | 4 +++- - 1 file changed, 3 insertions(+), 1 deletion(-) - -diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c -index 69b5ce2..77914701 100644 ---- a/arch/x86/kvm/svm.c -+++ b/arch/x86/kvm/svm.c -@@ -333,6 +333,8 @@ enum { - - #define VMCB_AVIC_APIC_BAR_MASK 0xFFFFFFFFFF000ULL - -+static unsigned int max_sev_asid; -+ - static inline void mark_all_dirty(struct vmcb *vmcb) - { - vmcb->control.clean = 0; -@@ -798,7 +800,7 @@ static int svm_hardware_enable(void) - sd->asid_generation = 1; - sd->max_asid = cpuid_ebx(SVM_CPUID_FUNC) - 1; - sd->next_asid = sd->max_asid + 1; -- sd->min_asid = 1; -+ sd->min_asid = max_sev_asid + 1; - - gdt = get_current_gdt_rw(); - sd->tss_desc = (struct kvm_ldttss_desc *)(gdt + GDT_ENTRY_TSS); --- -2.7.4 - |