Re: [PATCH] x86/tlb: Revert: Align TLB invalidation info
From: Nadav Amit
Date: Wed Apr 17 2019 - 00:53:08 EST
> On Apr 16, 2019, at 11:28 AM, Peter Zijlstra <peterz@xxxxxxxxxxxxx> wrote:
> On Tue, Apr 16, 2019 at 10:45:05AM -0700, Linus Torvalds wrote:
>> So very much Ack on that patch, but maybe we could do a bit more cleanup here?
> Yeah, Nadav was going to try and clean that up. But I figured we should
> get this revert in and backported while it's hot :-)
I will get to it hopefully next week. I need to do some benchmarking to see
the impact of getting it off the stack, although usually the IPI itself
dominates the TLB shootdown performance overhead.