Handle #UD intercept of the syscall instruction in 32bit compat mode on
an Intel host.
Setup the segment descriptors for CS and SS and the EIP/ESP registers
according to the manual. Save the RIP and EFLAGS to the correct registers.
Signed-off-by: Christoph Egger
Signed-off-by: Andre Przywara
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On 06/17/2009 04:50 PM, Andre Przywara wrote:
+static inline void
+setup_syscalls_segments(struct x86_emulate_ctxt *ctxt,
+ struct kvm_segment *cs, struct kvm_segment *ss)
+{
+ memset(cs, 0, sizeof(struct kvm_segment));
+ kvm_x86_ops->get_segment(ctxt->vcpu, cs, VCPU_SREG_CS);
Avi Kivity wrote:
On 06/17/2009 04:50 PM, Andre Przywara wrote:
+static inline void
+setup_syscalls_segments(struct x86_emulate_ctxt *ctxt,
+struct kvm_segment *cs, struct kvm_segment *ss)
+{
+memset(cs, 0, sizeof(struct kvm_segment));
+kvm_x86_ops->get_segment(ctxt->vcpu, cs, VCPU_
On 06/18/2009 01:27 PM, Andre Przywara wrote:
limit in kvm_segment is expanded, so 4GB is 0x.
You are right. This was probably a leftover from this cross vendor
migration g-bit issue.
Beside the fix here this removes some code in the separate paths, so I
remade patch 4-6/6 and will re
