linux-kernel - Re: [PATCH 1/7] x86/mm/tlb: Always use lazy TLB mode

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Message-ID: <20181001155857.GK3439@hirez.programming.kicks-ass.net>
Date:   Mon, 1 Oct 2018 17:58:57 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     Rik van Riel <riel@...riel.com>
Cc:     linux-kernel@...r.kernel.org, kernel-team@...com,
        will.deacon@....com, songliubraving@...com, mingo@...nel.org,
        luto@...nel.org, hpa@...or.com, npiggin@...il.com,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Thomas Gleixner <tglx@...utronix.de>, efault@....de
Subject: Re: [PATCH 1/7] x86/mm/tlb: Always use lazy TLB mode

On Tue, Sep 25, 2018 at 11:58:38PM -0400, Rik van Riel wrote:
> Now that CPUs in lazy TLB mode no longer receive TLB shootdown IPIs, except
> at page table freeing time, and idle CPUs will no longer get shootdown IPIs
> for things like mprotect and madvise, we can always use lazy TLB mode.

But that's only so at the end of this patch series; either change the
Changelog or the location of this patch?