Re: [PATCH 0/7] [RESEND][v4] x86: rework tlb range flushing code
From: H. Peter Anvin
Date: Thu Jul 31 2014 - 12:59:00 EST
On 07/31/2014 08:40 AM, Dave Hansen wrote:
> x86 Maintainers,
> I've sent this a couple of times and resolved all the feedback
> I've received. It has sign-offs from Mel and Rik. Could this
> get picked up in to the x86 tree, please?
> Changes from v3:
> * Include the patch I was using to gather detailed statistics
> about the length of the ranged TLB flushes
> * Fix some documentation typos
> * Add a patch to rework the remote tlb flush code to plumb the
> tracepoints in easier, and add missing tracepoints
> * use __print_symbolic() for the human-readable tracepoint
> * change an int to bool in patch 1
> * Specifically call out that we removed itlb vs. dtlb logic
> Changes from v2:
> * Added a brief comment above the ceiling tunable
> * Updated the documentation to mention large pages and say
> "individual flush" instead of invlpg in most cases.
> I've run this through a variety of systems in the LKP harness,
> as well as running it on my desktop for a few days. I'm yet to
> see an to see if any perfmance regressions (or gains) show up.
Thanks for the resend. Applied.
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