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| author | Borislav Petkov <bp@suse.de> | 2016-04-04 22:25:02 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2016-04-13 11:37:41 +0200 |
| commit | d366bf7eb99d0644e47ecd52c184d7ad95df02f2 (patch) | |
| tree | 3a3dce7711e76893a30607faa8c6dab6cc499d3f /arch/x86/kvm/x86.c | |
| parent | 01f8fd7379149fb9a4046e76617958bf771f856f (diff) | |
| download | lwn-d366bf7eb99d0644e47ecd52c184d7ad95df02f2.tar.gz lwn-d366bf7eb99d0644e47ecd52c184d7ad95df02f2.zip | |
x86/cpufeature: Replace cpu_has_xsave with boot_cpu_has() usage
Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: kvm@vger.kernel.org
Link: http://lkml.kernel.org/r/1459801503-15600-10-git-send-email-bp@alien8.de
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/kvm/x86.c')
| -rw-r--r-- | arch/x86/kvm/x86.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 742d0f7d3556..4eb2fca335c9 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -2612,7 +2612,7 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext) r = KVM_MAX_MCE_BANKS; break; case KVM_CAP_XCRS: - r = cpu_has_xsave; + r = boot_cpu_has(X86_FEATURE_XSAVE); break; case KVM_CAP_TSC_CONTROL: r = kvm_has_tsc_control; @@ -3122,7 +3122,7 @@ static void load_xsave(struct kvm_vcpu *vcpu, u8 *src) static void kvm_vcpu_ioctl_x86_get_xsave(struct kvm_vcpu *vcpu, struct kvm_xsave *guest_xsave) { - if (cpu_has_xsave) { + if (boot_cpu_has(X86_FEATURE_XSAVE)) { memset(guest_xsave, 0, sizeof(struct kvm_xsave)); fill_xsave((u8 *) guest_xsave->region, vcpu); } else { @@ -3140,7 +3140,7 @@ static int kvm_vcpu_ioctl_x86_set_xsave(struct kvm_vcpu *vcpu, u64 xstate_bv = *(u64 *)&guest_xsave->region[XSAVE_HDR_OFFSET / sizeof(u32)]; - if (cpu_has_xsave) { + if (boot_cpu_has(X86_FEATURE_XSAVE)) { /* * Here we allow setting states that are not present in * CPUID leaf 0xD, index 0, EDX:EAX. This is for compatibility @@ -3161,7 +3161,7 @@ static int kvm_vcpu_ioctl_x86_set_xsave(struct kvm_vcpu *vcpu, static void kvm_vcpu_ioctl_x86_get_xcrs(struct kvm_vcpu *vcpu, struct kvm_xcrs *guest_xcrs) { - if (!cpu_has_xsave) { + if (!boot_cpu_has(X86_FEATURE_XSAVE)) { guest_xcrs->nr_xcrs = 0; return; } @@ -3177,7 +3177,7 @@ static int kvm_vcpu_ioctl_x86_set_xcrs(struct kvm_vcpu *vcpu, { int i, r = 0; - if (!cpu_has_xsave) + if (!boot_cpu_has(X86_FEATURE_XSAVE)) return -EINVAL; if (guest_xcrs->nr_xcrs > KVM_MAX_XCRS || guest_xcrs->flags) @@ -5866,7 +5866,7 @@ int kvm_arch_init(void *opaque) perf_register_guest_info_callbacks(&kvm_guest_cbs); - if (cpu_has_xsave) + if (boot_cpu_has(X86_FEATURE_XSAVE)) host_xcr0 = xgetbv(XCR_XFEATURE_ENABLED_MASK); kvm_lapic_init(); |