linux-kernel - Re: [PATCH V1 06/10] arch/kunmap_atomic: Consolidate duplicate code

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Message-ID: <20200501083945.GF27858@infradead.org>
Date:   Fri, 1 May 2020 01:39:45 -0700
From:   Christoph Hellwig <hch@...radead.org>
To:     ira.weiny@...el.com
Cc:     linux-kernel@...r.kernel.org,
        Andrew Morton <akpm@...ux-foundation.org>,
        Christian Koenig <christian.koenig@....com>,
        Huang Rui <ray.huang@....com>,
        Peter Zijlstra <peterz@...radead.org>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        dri-devel@...ts.freedesktop.org,
        "James E.J. Bottomley" <James.Bottomley@...senpartnership.com>,
        Max Filippov <jcmvbkbc@...il.com>,
        Paul Mackerras <paulus@...ba.org>,
        "H. Peter Anvin" <hpa@...or.com>, sparclinux@...r.kernel.org,
        Thomas Gleixner <tglx@...utronix.de>,
        Helge Deller <deller@....de>, x86@...nel.org,
        linux-csky@...r.kernel.org, Ingo Molnar <mingo@...hat.com>,
        linux-snps-arc@...ts.infradead.org, linux-xtensa@...ux-xtensa.org,
        Borislav Petkov <bp@...en8.de>,
        Andy Lutomirski <luto@...nel.org>,
        Dan Williams <dan.j.williams@...el.com>,
        linux-arm-kernel@...ts.infradead.org,
        Chris Zankel <chris@...kel.net>,
        Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
        linux-parisc@...r.kernel.org, linux-mips@...r.kernel.org,
        linuxppc-dev@...ts.ozlabs.org,
        "David S. Miller" <davem@...emloft.net>
Subject: Re: [PATCH V1 06/10] arch/kunmap_atomic: Consolidate duplicate code

On Thu, Apr 30, 2020 at 01:38:41PM -0700, ira.weiny@...el.com wrote:
> From: Ira Weiny <ira.weiny@...el.com>
> 
> Every single architecture (including !CONFIG_HIGHMEM) calls...
> 
> 	pagefault_enable();
> 	preempt_enable();
> 
> ... before returning from __kunmap_atomic().  Lift this code into the
> kunmap_atomic() macro.
> 
> While we are at it rename __kunmap_atomic() to kunmap_atomic_high() to
> be consistent.
> 
> Signed-off-by: Ira Weiny <ira.weiny@...el.com>

Looks good,

Reviewed-by: Christoph Hellwig <hch@....de>