linux-kernel - Re: [PATCH] MIPS: Change definition of cpu

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Date:   Mon, 23 Jul 2018 10:37:47 -0700
From:   Paul Burton <paul.burton@...s.com>
To:     陈华才 <chenhc@...ote.com>
Cc:     Ralf Baechle <ralf@...ux-mips.org>,
        James Hogan <jhogan@...nel.org>,
        linux-mips <linux-mips@...ux-mips.org>,
        Fuxin Zhang <zhangfx@...ote.com>,
        wuzhangjin <wuzhangjin@...il.com>,
        stable <stable@...r.kernel.org>,
        Alan Stern <stern@...land.harvard.edu>,
        Andrea Parri <andrea.parri@...rulasolutions.com>,
        Will Deacon <will.deacon@....com>,
        Peter Zijlstra <peterz@...radead.org>,
        Boqun Feng <boqun.feng@...il.com>,
        Nicholas Piggin <npiggin@...il.com>,
        David Howells <dhowells@...hat.com>,
        Jade Alglave <j.alglave@....ac.uk>,
        Luc Maranget <luc.maranget@...ia.fr>,
        "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
        Akira Yokosawa <akiyks@...il.com>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] MIPS: Change definition of cpu_relax() for Loongson-3

Hi Huacai,

On Sat, Jul 21, 2018 at 09:35:59AM +0800, 陈华才 wrote:
> SFB can improve the memory bandwidth as much as 30%, and we are
> planning to enable SFB by default. So, we want to control cpu_relax()
> under CONFIG_CPU_LOONGSON3, not under CONFIG_LOONGSON3_ENHANCEMENT.

OK, applied to mips-next for 4.19 with changes to the commit message &
comment.

Thanks,
    Paul