linux-kernel - Re: [PATCH v3 3/4] MIPS: VDSO: Use $(LD) instead of $(CC) to link VDSO

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Message-ID: <20200427020830.GA260@Ryzen-7-3700X.localdomain>
Date:   Sun, 26 Apr 2020 19:08:30 -0700
From:   Nathan Chancellor <natechancellor@...il.com>
To:     Thomas Bogendoerfer <tsbogend@...ha.franken.de>
Cc:     Masahiro Yamada <masahiroy@...nel.org>, linux-mips@...r.kernel.org,
        linux-kernel@...r.kernel.org, clang-built-linux@...glegroups.com,
        linux-kbuild@...r.kernel.org,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        Sami Tolvanen <samitolvanen@...gle.com>,
        Dmitry Golovin <dima@...ovin.in>,
        Sedat Dilek <sedat.dilek@...il.com>
Subject: Re: [PATCH v3 3/4] MIPS: VDSO: Use $(LD) instead of $(CC) to link
 VDSO

On Sun, Apr 26, 2020 at 06:27:37PM +0200, Thomas Bogendoerfer wrote:
> On Thu, Apr 23, 2020 at 10:18:06AM -0700, Nathan Chancellor wrote:
> > Currently, the VDSO is being linked through $(CC). This does not match
> > how the rest of the kernel links objects, which is through the $(LD)
> > variable.
> 
> this causes build errors for me when (cross) compiling a big endian target:
> 
> target is little endian
> mips64-linux-gnu-ld: arch/mips/vdso/elf.o: endianness incompatible with that of the selected emulation
> mips64-linux-gnu-ld: failed to merge target specific data of file arch/mips/vdso/elf.o

Thanks for the report. I will look into it tomorrow and hopefully have a
v4 by then.

Cheers,
Nathan