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KVM: get_tss_base_addr() should return a gpa_t

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If TSS we are switching to resides in high memory task switch will fail
since address will be truncated. Windows2k3 does this sometimes when
running with more then 4G

Cc: stable@kernel.org
Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Gleb Natapov 2009-10-25 17:42:02 +02:00 committed by Marcelo Tosatti
parent a9e38c3e01
commit abb3911965
1 changed files with 1 additions and 1 deletions
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2
arch/x86/kvm/x86.c
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@ -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);