>>> On 13.02.18 at 19:39, <pers...@gmail.com> wrote: > On Feb 7, 2018, at 11:05, Jan Beulich <jbeul...@suse.com> wrote: >> >> 1: slightly reduce Meltdown band-aid overhead >> 2: remove CR reads from exit-to-guest path >> 3: introduce altinstruction_nop assembler macro >> 4: NOP out most XPTI entry/exit code when it's not in use >> 5: avoid double CR3 reload when switching to guest user mode >> 6: disable XPTI when RDCL_NO >> 7: x86: log XPTI enabled status > > Since work on XPTI is ongoing, will these improvements to XPTI-stage-1 be > published via http://xenbits.xen.org/xsa/xsa254/README.pti?
They first of all need to go in (or whatever sub-portion of it is deemed acceptable). And then I'm not sure we should further clutter the XSA with performance improvements - I'd be inclined to add further commits to the list only if we find issues with the current approach. Jan _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel
