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From:   Masahiro Yamada <yamada.masahiro@socionext.com>
Date:   Wed, 10 Jul 2019 17:48:58 +0900
Message-ID: <CAK7LNASV6Txo-yKq+zSGiyts4cNdNwgXz0w4yFRMFJ3ozHcH7A@mail.gmail.com>
Subject: Re: [PATCH] arm64/sve: fix genksyms generation
To:     Will Deacon <will@kernel.org>
Cc:     Laura Abbott <labbott@redhat.com>, Arnd Bergmann <arnd@arndb.de>,
        Will Deacon <will.deacon@arm.com>,
        Mark Rutland <mark.rutland@arm.com>,
        Peter Maydell <peter.maydell@linaro.org>,
        Ard Biesheuvel <ard.biesheuvel@linaro.org>,
        Marc Zyngier <marc.zyngier@arm.com>,
        Catalin Marinas <catalin.marinas@arm.com>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        Julien Grall <julien.grall@arm.com>,
        Alan Hayward <alan.hayward@arm.com>,
        Andrew Murray <andrew.murray@arm.com>,
        =?UTF-8?B?QWxleCBCZW5uw6ll?= <alex.bennee@linaro.org>,
        Dave Martin <Dave.Martin@arm.com>,
        Linux ARM <linux-arm-kernel@lists.infradead.org>
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On Wed, Jul 10, 2019 at 5:15 PM Will Deacon <will@kernel.org> wrote:
>
> Hi Laura, [+Masahiro]
>
> On Tue, Jul 09, 2019 at 03:06:49PM -0400, Laura Abbott wrote:
> > On 6/18/19 10:15 AM, Arnd Bergmann wrote:
> > > On Tue, Jun 18, 2019 at 2:03 PM Will Deacon <will.deacon@arm.com> wrote:
> > > >  From 6e004b8824d4eb6a4e61cd794fbc3a761b50135b Mon Sep 17 00:00:00 2001
> > > > From: Will Deacon <will.deacon@arm.com>
> > > > Date: Tue, 18 Jun 2019 12:56:49 +0100
> > > > Subject: [PATCH] genksyms: Teach parse about __uint128_t built-in type
> > > >
> > > > __uint128_t crops up in a few files that export symbols to modules, so
> > > > teach genksyms about it so that we don't end up skipping the CRC
> > > > generation for some symbols due to the parser failing to spot them:
> > > >
> > > >    | WARNING: EXPORT symbol "kernel_neon_begin" [vmlinux] version
> > > >    |          generation failed, symbol will not be versioned.
> > > >    | ld: arch/arm64/kernel/fpsimd.o: relocation R_AARCH64_ABS32 against
> > > >    |     `__crc_kernel_neon_begin' can not be used when making a shared
> > > >    |     object
> > > >    | ld: arch/arm64/kernel/fpsimd.o:(.data+0x0): dangerous relocation:
> > > >    |     unsupported relocation
> > > >
> > > > Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
> > > > Reported-by: Arnd Bergmann <arnd@arndb.de>
> > > > Signed-off-by: Will Deacon <will.deacon@arm.com>
> > >
> > > Looks good to me,
> > >
> > > Acked-by: Arnd Bergmann <arnd@arndb.de>
> > >
> > > I've added this to my randconfig build setup, replacing my earlier
> > > patch, and will let you know if any problems with it remain.
> > >
> >
> > I just hit this on 5ad18b2e60b75c7297a998dea702451d33a052ed on Linus'
> > branch. The fix works for me (feel free to add Tested-by). Is this
> > already queued up for Linus?
>
> I think there's a fix queued via the kbuild tree:
>
> https://lkml.kernel.org/r/CAK7LNAQRMnovWQA0F8A6mEqDjPxXOGM-1AHoyh1gQa367f+FqQ@mail.gmail.com
>
> Will


Yes, I will send a pull request shortly.


-- 
Best Regards
Masahiro Yamada