On 28/02/18 12:52, Jan Beulich wrote: >>>> On 07.02.18 at 17:05, <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 > > I've updated this one to patch all paths, but I'd like to avoid sending > v3 of the series without having had any feedback on v2 (leaving > aside a tiny bit on patch 1). > > Jan > >> 5: avoid double CR3 reload when switching to guest user mode >> 6: disable XPTI when RDCL_NO >> 7: x86: log XPTI enabled status >> >> I won't mind if it was decided for some of them to be pointless, but I >> think 1 (because of a measurable improvement of 1-3%), 4 (helping >> the "xpti=no" case, even if only a little; taking 3 as prereq), and >> 6+7 should be considered seriously. >> >> Signed-off-by: Jan Beulich <jbeul...@suse.com>
You can add to all of them: Tested-by: Juergen Gross <jgr...@suse.com> Reviewed-by: Juergen Gross <jgr...@suse.com> Juergen _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel
