On Sat, Oct 14, 2017 at 5:34 AM, Borislav Petkov <bp@xxxxxxxxx> wrote: > On Sat, Oct 14, 2017 at 03:49:12AM -0700, tip-bot for Andy Lutomirski wrote: >> Commit-ID: b956575bed91ecfb136a8300742ecbbf451471ab >> Gitweb: https://git.kernel.org/tip/b956575bed91ecfb136a8300742ecbbf451471ab >> Author: Andy Lutomirski <luto@xxxxxxxxxx> >> AuthorDate: Mon, 9 Oct 2017 09:50:49 -0700 >> Committer: Ingo Molnar <mingo@xxxxxxxxxx> >> CommitDate: Sat, 14 Oct 2017 09:21:24 +0200 >> >> x86/mm: Flush more aggressively in lazy TLB mode > > Andy, > > I know you're busy so lemme send out the piece removing the benchmarking > knob. The good thing is, if you revert this patch, you get the knob back > so it is actually there for those who wanna do benchmarking :-) > > It boots, but please check me nevertheless. Ingo, please don't apply -- please use the one I just sent instead. > > Thx. > > --- > From: Borislav Petkov <bp@xxxxxxx> > Date: Sat, 14 Oct 2017 14:11:14 +0200 > Subject: [PATCH] x86/mm: Rip out the TLB benchmarking knob > > This is not really useful to have it upstream as it is only for > benchmarking PCID vs !PCID and once the code is settled it will become > one useless knob. It's actually for benchmarking the two modes against each other on a PCID CPU. It's possible, though rather unlikely, that some workloads are improved significantly when the knob changed. -- To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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