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| author | Jan Kiszka <jan.kiszka@siemens.com> | 2010-05-25 16:01:50 +0200 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2010-08-01 10:39:22 +0300 |
| commit | 10ab25cd6bf7ee4e5a55d81f203f7dc1a855c27e (patch) | |
| tree | 89b1f58c09a102f1aa5c9b549c13e1f9a0a3ee3d /arch/x86/kvm/svm.c | |
| parent | 6dc696d4ddf2181eefee361e1d24a49351aef1f6 (diff) | |
| download | lwn-10ab25cd6bf7ee4e5a55d81f203f7dc1a855c27e.tar.gz lwn-10ab25cd6bf7ee4e5a55d81f203f7dc1a855c27e.zip | |
KVM: x86: Propagate fpu_alloc errors
Memory allocation may fail. Propagate such errors.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Reviewed-by: Sheng Yang <sheng@linux.intel.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'arch/x86/kvm/svm.c')
| -rw-r--r-- | arch/x86/kvm/svm.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index 9c68a650f57e..2ae0c3923293 100644 --- a/arch/x86/kvm/svm.c +++ b/arch/x86/kvm/svm.c @@ -904,13 +904,18 @@ static struct kvm_vcpu *svm_create_vcpu(struct kvm *kvm, unsigned int id) svm->asid_generation = 0; init_vmcb(svm); - fx_init(&svm->vcpu); + err = fx_init(&svm->vcpu); + if (err) + goto free_page4; + svm->vcpu.arch.apic_base = 0xfee00000 | MSR_IA32_APICBASE_ENABLE; if (kvm_vcpu_is_bsp(&svm->vcpu)) svm->vcpu.arch.apic_base |= MSR_IA32_APICBASE_BSP; return &svm->vcpu; +free_page4: + __free_page(hsave_page); free_page3: __free_pages(nested_msrpm_pages, MSRPM_ALLOC_ORDER); free_page2: |