summaryrefslogtreecommitdiff
path: root/arch/x86/kvm
diff options
context:
space:
mode:
authorIngo Molnar <mingo@kernel.org>2015-04-27 06:58:22 +0200
committerIngo Molnar <mingo@kernel.org>2015-05-19 15:47:51 +0200
commit0ee6a5172573aea06ef41f4e48737dcfab0099bb (patch)
tree9ecc31508f51ae4e7b82bcdd02edfd8b8e2e7a2f /arch/x86/kvm
parent2fb29fc7c690d3d318471c42a62a05153d433cc1 (diff)
x86/fpu, kvm: Simplify fx_init()
Now that fpstate_init() cannot fail the error return of fx_init() has lost its purpose. Eliminate the error return and propagate this change to all callers. Reviewed-by: Borislav Petkov <bp@alien8.de> Cc: Andy Lutomirski <luto@amacapital.net> Cc: Dave Hansen <dave.hansen@linux.intel.com> Cc: Fenghua Yu <fenghua.yu@intel.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Oleg Nesterov <oleg@redhat.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/kvm')
-rw-r--r--arch/x86/kvm/x86.c14
1 files changed, 3 insertions, 11 deletions
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 74b53c314da0..92a8490cc69d 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -7004,10 +7004,8 @@ int kvm_arch_vcpu_ioctl_set_fpu(struct kvm_vcpu *vcpu, struct kvm_fpu *fpu)
return 0;
}
-int fx_init(struct kvm_vcpu *vcpu)
+static void fx_init(struct kvm_vcpu *vcpu)
{
- int err;
-
fpstate_init(&vcpu->arch.guest_fpu);
if (cpu_has_xsaves)
vcpu->arch.guest_fpu.state.xsave.header.xcomp_bv =
@@ -7019,10 +7017,7 @@ int fx_init(struct kvm_vcpu *vcpu)
vcpu->arch.xcr0 = XSTATE_FP;
vcpu->arch.cr0 |= X86_CR0_ET;
-
- return 0;
}
-EXPORT_SYMBOL_GPL(fx_init);
void kvm_load_guest_fpu(struct kvm_vcpu *vcpu)
{
@@ -7341,9 +7336,7 @@ int kvm_arch_vcpu_init(struct kvm_vcpu *vcpu)
goto fail_free_mce_banks;
}
- r = fx_init(vcpu);
- if (r)
- goto fail_free_wbinvd_dirty_mask;
+ fx_init(vcpu);
vcpu->arch.ia32_tsc_adjust_msr = 0x0;
vcpu->arch.pv_time_enabled = false;
@@ -7357,8 +7350,7 @@ int kvm_arch_vcpu_init(struct kvm_vcpu *vcpu)
kvm_pmu_init(vcpu);
return 0;
-fail_free_wbinvd_dirty_mask:
- free_cpumask_var(vcpu->arch.wbinvd_dirty_mask);
+
fail_free_mce_banks:
kfree(vcpu->arch.mce_banks);
fail_free_lapic: