On 01/26/2018 12:17 AM, Bitweasil . wrote: > Razvan - > > Yes, that patch resolves the issues. Performance is abysmal (as > expected with a CR3 switch on every syscall), but things behave properly.> > Jan - > > It turns out that unrelated code in my livepatch was causing the > crashing when I filtered the high bit - I was not properly gating some > other CR3 processing code in the livepatch, and that was causing the > invalid opcode errors, not the filtered CR3 value. You are correct that > masking the bit should not cause any correctness issues, only > performance issues. > > Will one of you take up submitting this patch into the proper places? > I'm afraid I'm not very familiar with the Xen patch submission process.
Yes, I'll send a proper patch. Thanks for pointing the issue out, Razvan _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel
