Re: [Xen-devel] [PATCH v2 0/7] x86: Meltdown band-aid overhead reduction

[Rich Persaud <persaur@xxxxxxxxx>]

On Feb 7, 2018, at 11:05, Jan Beulich <JBeulich@xxxxxxxx> 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?

Rich

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