linux-kernel - Re: [PATCH v9 1/2] arch/*: Add CONFIG_ARCH_HAVE

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <cb51c6f8eb93452d405180d9da0f1e203b469d2a.camel@wdc.com>
Date:   Mon, 14 May 2018 20:42:13 +0000
From:   Bart Van Assche <Bart.VanAssche@....com>
To:     "jcmvbkbc@...il.com" <jcmvbkbc@...il.com>
CC:     "schwidefsky@...ibm.com" <schwidefsky@...ibm.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-block@...r.kernel.org" <linux-block@...r.kernel.org>,
        "tglx@...utronix.de" <tglx@...utronix.de>,
        "deller@....de" <deller@....de>,
        "heiko.carstens@...ibm.com" <heiko.carstens@...ibm.com>,
        "hch@....de" <hch@....de>,
        "fenghua.yu@...el.com" <fenghua.yu@...el.com>,
        "axboe@...nel.dk" <axboe@...nel.dk>,
        "hpa@...or.com" <hpa@...or.com>,
        "catalin.marinas@....com" <catalin.marinas@....com>,
        "will.deacon@....com" <will.deacon@....com>,
        "mingo@...hat.com" <mingo@...hat.com>,
        "jejb@...isc-linux.org" <jejb@...isc-linux.org>,
        "tony.luck@...el.com" <tony.luck@...el.com>,
        "chris@...kel.net" <chris@...kel.net>,
        "davem@...emloft.net" <davem@...emloft.net>,
        "arnd@...db.de" <arnd@...db.de>,
        "geert@...ux-m68k.org" <geert@...ux-m68k.org>,
        "benh@...nel.crashing.org" <benh@...nel.crashing.org>,
        "mpe@...erman.id.au" <mpe@...erman.id.au>,
        "paulus@...ba.org" <paulus@...ba.org>
Subject: Re: [PATCH v9 1/2] arch/*: Add CONFIG_ARCH_HAVE_CMPXCHG64

On Mon, 2018-05-14 at 11:50 -0700, Max Filippov wrote:
> On Mon, May 14, 2018 at 11:46 AM, Bart Van Assche
> <bart.vanassche@....com> wrote:
> > The next patch in this series introduces a call to cmpxchg64()
> > in the block layer core for those architectures on which this
> > functionality is available. Make it possible to test whether
> > cmpxchg64() is available by introducing CONFIG_ARCH_HAVE_CMPXCHG64.
> > 
> > ---
> 
> [...]
> 
> > diff --git a/arch/xtensa/Kconfig b/arch/xtensa/Kconfig
> > index c921e8bccdc8..8234278a821d 100644
> > --- a/arch/xtensa/Kconfig
> > +++ b/arch/xtensa/Kconfig
> > @@ -23,6 +23,7 @@ config XTENSA
> >         select HAVE_DMA_CONTIGUOUS
> >         select HAVE_EXIT_THREAD
> >         select HAVE_FUNCTION_TRACER
> > +       select ARCH_HAVE_CMPXCHG64
> 
> This breaks alphabetical sorting of Kconfig entries.

Hello Max,

Thanks for the feedback. Do you perhaps know whether keeping names in
alphabetical order is a requirement for arch/xtensa/Kconfig only or
whether this is required for all arch/*/Kconfig files?

Bart.