The following commit has been merged in the linux branch: commit abb3911965c1bd8eea305f64d4840a314259d96d Author: Gleb Natapov gleb@redhat.com Date: Sun Oct 25 17:42:02 2009 +0200
KVM: get_tss_base_addr() should return a gpa_t
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
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 8a93fa8..ae07d26 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -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);