| commit | c7dcb4d975bcf764b42c7cf48fa4037a0939b000 | |
| author | Marcelo Tosatti <mtosatti@redhat.com> | |
| Sun, 20 Jul 2008 17:52:43 +0000 (20 14:52 -0300) | ||
| committer | Avi Kivity <avi@qumranet.com> | |
| Mon, 21 Jul 2008 13:23:51 +0000 (21 16:23 +0300) | ||
| tree | 29e24ece75c1c3fdc401f8bc141890c47c4d31db | treesnapshot (tar.gz zip) |
| parent | 4012052f01aeb5b54a9a1e26602f0e418c07ad9f | commitdiff |
Avoid tpr patching when rsp == 0
Early Windows 2003 SMP initialization contains a
mov imm32, r/m32
instruction that is patched by tpr optimization. Problem is rsp, used by
the patched instruction, is zero, so the guest gets a double fault and
dies.
Avoid any patching at all if rsp is zero.
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>
Early Windows 2003 SMP initialization contains a
mov imm32, r/m32
instruction that is patched by tpr optimization. Problem is rsp, used by
the patched instruction, is zero, so the guest gets a double fault and
dies.
Avoid any patching at all if rsp is zero.
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>
| kvm-tpr-opt.c | diffblobblamehistory |