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OpenCloudOS-Kernel
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Merge branch 'kvm-updates/2.6.32' of git://git.kernel.org/pub/scm/virt/kvm/kvm 

* 'kvm-updates/2.6.32' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
  KVM: get_tss_base_addr() should return a gpa_t
  KVM: x86: Catch potential overrun in MCE setup
This commit is contained in:
Linus Torvalds 2009-11-05 13:24:15 -08:00
parent e5a9236222 abb3911965
commit 7c9abfb884
1 changed files with 2 additions and 2 deletions
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4
arch/x86/kvm/x86.c
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@ -1692,7 +1692,7 @@ static int kvm_vcpu_ioctl_x86_setup_mce(struct kvm_vcpu *vcpu,
unsigned bank_num = mcg_cap & 0xff, bank;
r = -EINVAL;
if (!bank_num)
if (!bank_num || bank_num >= KVM_MAX_MCE_BANKS)
goto out;
if (mcg_cap & ~(KVM_MCE_CAP_SUPPORTED | 0xff | 0xff0000))
goto out;
@ -4051,7 +4051,7 @@ static int save_guest_segment_descriptor(struct kvm_vcpu *vcpu, u16 selector,
return kvm_write_guest_virt(dtable.base + index*8, seg_desc, sizeof(*seg_desc), vcpu);
}
static u32 get_tss_base_addr(struct kvm_vcpu *vcpu,
static gpa_t get_tss_base_addr(struct kvm_vcpu *vcpu,
struct desc_struct *seg_desc)
{
u32 base_addr = get_desc_base(seg_desc);