linux-kernel - Re: [PATCH V2 08/11] arch/kmap: Ensure kmap

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Message-ID: <20200507045630.GA22061@infradead.org>
Date:   Wed, 6 May 2020 21:56:30 -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>,
        Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
        "James E.J. Bottomley" <James.Bottomley@...senpartnership.com>,
        Helge Deller <deller@....de>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        "David S. Miller" <davem@...emloft.net>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        x86@...nel.org, "H. Peter Anvin" <hpa@...or.com>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        Andy Lutomirski <luto@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Chris Zankel <chris@...kel.net>,
        Max Filippov <jcmvbkbc@...il.com>,
        Dan Williams <dan.j.williams@...el.com>,
        linux-snps-arc@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org, linux-csky@...r.kernel.org,
        linux-mips@...r.kernel.org, linux-parisc@...r.kernel.org,
        linuxppc-dev@...ts.ozlabs.org, sparclinux@...r.kernel.org,
        linux-xtensa@...ux-xtensa.org, dri-devel@...ts.freedesktop.org
Subject: Re: [PATCH V2 08/11] arch/kmap: Ensure kmap_prot visibility

On Sun, May 03, 2020 at 06:09:09PM -0700, ira.weiny@...el.com wrote:
> From: Ira Weiny <ira.weiny@...el.com>
> 
> We want to support kmap_atomic_prot() on all architectures and it makes
> sense to define kmap_atomic() to use the default kmap_prot.
> 
> So we ensure all arch's have a globally available kmap_prot either as a
> define or exported symbol.
> 
> Signed-off-by: Ira Weiny <ira.weiny@...el.com>

Looks good,

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