Messages in this thread | | | Date | Mon, 14 Sep 2015 12:07:36 +0200 | From | Ingo Molnar <> | Subject | Re: [PATCH 00/15] [v4] x86, fpu: XSAVE cleanups and sanity checks |
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* Dave Hansen <dave@sr71.net> wrote:
> Changes in v4: > * Fix up a few compile errors/warnings > > Changes in v3: > * rework XSTATE_* macros using Ingo's suggested naming > * change state size printk to be in decimal > * add some more sanity-checking to detect and work around > an undersized 'xregs_state' > * remove "nr_" from some of the names used. > > Changes in v2: > * remove references to Processor Trace XSAVE state > (will defer to another patch set) > * Remove some cruft from last patch > * move last_good_offset fix in to the patch that > introduced it > > These patches make some updates to the x86 XSAVE code. > > They have been build and boot tested including on hardware > and/or simulators with AVX-512 and MPX. It boots in all > of the tested configurations without hitting any of the > new warnings in this code. I even added the Memory > Protecion Keys (the xfeature after MPX) patches on top of > this and everything works fine. > > There are basically 5 things going on here: > * removal of the LWP (lightweight profiling) code > * naming and type cleanups > * removal of xfeatures_nr variable > * addition of AVX-512 C structures > * new sanity checks of XSAVE buffer sizing
Ok, very nice! I've applied your series to tip:x86/fpu and will push it out unless testing finds any problems.
Thanks,
Ingo
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