linux-kernel - Re: [PATCH 1/3] x86,s390: Move ARCH_HAS_MEM

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Message-ID: <20190713072717.GB17589@lst.de>
Date:   Sat, 13 Jul 2019 09:27:17 +0200
From:   Christoph Hellwig <hch@....de>
To:     Thiago Jung Bauermann <bauerman@...ux.ibm.com>
Cc:     x86@...nel.org, iommu@...ts.linux-foundation.org,
        linux-fsdevel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
        linux-s390@...r.kernel.org, linux-kernel@...r.kernel.org,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        "H. Peter Anvin" <hpa@...or.com>, Christoph Hellwig <hch@....de>,
        Marek Szyprowski <m.szyprowski@...sung.com>,
        Robin Murphy <robin.murphy@....com>,
        Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
        Alexey Dobriyan <adobriyan@...il.com>,
        Thomas Lendacky <Thomas.Lendacky@....com>,
        Halil Pasic <pasic@...ux.ibm.com>,
        Mike Anderson <andmike@...ux.ibm.com>,
        Ram Pai <linuxram@...ibm.com>
Subject: Re: [PATCH 1/3] x86,s390: Move ARCH_HAS_MEM_ENCRYPT definition to
 arch/Kconfig

On Sat, Jul 13, 2019 at 01:45:52AM -0300, Thiago Jung Bauermann wrote:
> powerpc is also going to use this feature, so put it in a generic location.

Looks good,

even without a third arch using it we should never habe symbols defined
under arch/$(ARCH) that are used in common code to start with.

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