vcpu->arch.guest_xstate_size lost its only user since commit df1daba7d1cb
("KVM: x86: support XSAVES usage in the host"), so clean it up.
Signed-off-by: Xiaoyao Li <xiaoyao.li@xxxxxxxxx>
---
arch/x86/include/asm/kvm_host.h | 1 -
arch/x86/kvm/cpuid.c | 8 ++------
arch/x86/kvm/x86.c | 2 --
3 files changed, 2 insertions(+), 9 deletions(-)
diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index 7cd68d1d0627..34a05ca3c904 100644
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -654,7 +654,6 @@ struct kvm_vcpu_arch {
u64 xcr0;
u64 guest_supported_xcr0;
- u32 guest_xstate_size;
struct kvm_pio_request pio;
void *pio_data;
diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c
index 6828be99b908..f3eb4f171d3d 100644
--- a/arch/x86/kvm/cpuid.c
+++ b/arch/x86/kvm/cpuid.c
@@ -84,15 +84,11 @@ int kvm_update_cpuid(struct kvm_vcpu *vcpu)
kvm_read_cr4_bits(vcpu, X86_CR4_PKE));
best = kvm_find_cpuid_entry(vcpu, 0xD, 0);
- if (!best) {
+ if (!best)
vcpu->arch.guest_supported_xcr0 = 0;
- vcpu->arch.guest_xstate_size = XSAVE_HDR_SIZE + XSAVE_HDR_OFFSET;
- } else {
+ else
vcpu->arch.guest_supported_xcr0 =
(best->eax | ((u64)best->edx << 32)) & supported_xcr0;
- vcpu->arch.guest_xstate_size = best->ebx =
- xstate_required_size(vcpu->arch.xcr0, false);
- }
best = kvm_find_cpuid_entry(vcpu, 0xD, 1);
if (best && (cpuid_entry_has(best, X86_FEATURE_XSAVES) ||
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 856b6fc2c2ba..7cd51a3acc43 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -9358,8 +9358,6 @@ int kvm_arch_vcpu_create(struct kvm_vcpu *vcpu)
}
fx_init(vcpu);
- vcpu->arch.guest_xstate_size = XSAVE_HDR_SIZE + XSAVE_HDR_OFFSET;
-
vcpu->arch.maxphyaddr = cpuid_query_maxphyaddr(vcpu);
vcpu->arch.pat = MSR_IA32_CR_PAT_DEFAULT;
--
2.18.2
