Hi Sam, On Fri, Aug 14, 2015 at 03:07:28PM +1000, Sam Bobroff wrote: > On Thu, May 21, 2015 at 01:57:04PM +0530, Gautham R. Shenoy wrote: > > In guest_exit_cont we call kvmhv_commence_exit which expects the trap > > number as the argument. However r3 doesn't contain the trap number at > > this point and as a result we would be calling the function with a > > spurious trap number. > > > > Fix this by copying r12 into r3 before calling kvmhv_commence_exit as > > r12 contains the trap number > > > > Signed-off-by: Gautham R. Shenoy <ego@xxxxxxxxxxxxxxxxxx> > > Hi Gautham, > > I agree with your logic: r3 is quite clearly corrupted in that path. So: > > Reviewed-by: Sam Bobroff <sam.bobroff@xxxxxxxxxxx> > > Just one comment: Do you have a case of this causing some visible problem due > to the corrupted trap number? (I'll test the patch if you do.) > Actually no! I found this bug while reviewing the code for some other issue. > Cheers, > Sam. -- Thanks and Regards gautham. -- To unsubscribe from this list: send the line "unsubscribe kvm-ppc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
