>>> On 15.06.18 at 11:27, <andrew.coop...@citrix.com> wrote: > On 15/06/18 09:47, Jan Beulich wrote: >> As both XenRT and osstest have found, the XSA-267 patches overlooked a >> special case in HVM insn emulation. While looking into this I've also > noticed >> an omission in the sibling function to the one needing to be changed. At >> least patch 1 should be strongly considered for 4.11; patch 2 will need >> backporting as well, but doesn't look as urgent. >> >> 1: account for fully eager FPU mode in emulation >> 2: attempts to emulate FPU insns need to set fpu_initialised > > Both Reviewed-by: Andrew Cooper <andrew.coop...@citrix.com> > > At this point, I'm tempted to suggest that we reissue the XSA-267 > advisory to include patch 1.
Yes, I think we should do this. But let me first see how far this change is needed, and whether on older versions nothing else is needed in its stead. Jan _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel