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authorPaolo Bonzini <pbonzini@redhat.com>2019-07-11 16:14:16 +0300
committerPaolo Bonzini <pbonzini@redhat.com>2019-07-11 16:14:16 +0300
commita45ff5994c9cde41af627c46abb9f32beae68943 (patch)
treeb726cc506ed1b01484f183ab2679cdd618e1e9b1 /arch/x86/kvm/vmx/vmcs12.h
parent429bb83af8bcea0115eb34fd7ed94a35166d8384 (diff)
parent1e0cf16cdad1ba53e9eeee8746fe57de42f20c97 (diff)
downloadlinux-a45ff5994c9cde41af627c46abb9f32beae68943.tar.xz
Merge tag 'kvm-arm-for-5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD
KVM/arm updates for 5.3 - Add support for chained PMU counters in guests - Improve SError handling - Handle Neoverse N1 erratum #1349291 - Allow side-channel mitigation status to be migrated - Standardise most AArch64 system register accesses to msr_s/mrs_s - Fix host MPIDR corruption on 32bit
Diffstat (limited to 'arch/x86/kvm/vmx/vmcs12.h')
-rw-r--r--arch/x86/kvm/vmx/vmcs12.h5
1 files changed, 3 insertions, 2 deletions
diff --git a/arch/x86/kvm/vmx/vmcs12.h b/arch/x86/kvm/vmx/vmcs12.h
index 9cd26099fcc0..d0c6df373f67 100644
--- a/arch/x86/kvm/vmx/vmcs12.h
+++ b/arch/x86/kvm/vmx/vmcs12.h
@@ -201,9 +201,10 @@ struct __packed vmcs12 {
/*
* VMCS12_SIZE is the number of bytes L1 should allocate for the VMXON region
* and any VMCS region. Although only sizeof(struct vmcs12) are used by the
- * current implementation, 4K are reserved to avoid future complications.
+ * current implementation, 4K are reserved to avoid future complications and
+ * to preserve userspace ABI.
*/
-#define VMCS12_SIZE 0x1000
+#define VMCS12_SIZE KVM_STATE_NESTED_VMX_VMCS_SIZE
/*
* VMCS12_MAX_FIELD_INDEX is the highest index value used in any