On Sun, Oct 18, 2009 at 01:24:44PM +0200, Jan Kiszka wrote: > Commit 705c5323 opened the doors of hell by unconditionally injecting > single-step flags as long as guest_debug signaled this. This doesn't > work when the guest branches into some interrupt or exception handler > and triggers a vmexit with flag reloading. > > Fix it by saving cs:rip when user space requests single-stepping and > restricting the trace flag injection to this guest code position. > > Signed-off-by: Jan Kiszka <jan.kiszka@xxxxxxxxxxx> > --- > > arch/x86/include/asm/kvm_host.h | 4 +++ > arch/x86/kvm/x86.c | 47 +++++++++++++++++++++++---------------- > 2 files changed, 32 insertions(+), 19 deletions(-) Applied, thanks. -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
