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From: Nathan Chancellor <natechancellor@gmail.com>
To: "Maciej W. Rozycki" <macro@linux-mips.org>
Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>,
	Masahiro Yamada <masahiroy@kernel.org>,
	linux-mips@vger.kernel.org, linux-kernel@vger.kernel.org,
	clang-built-linux@googlegroups.com, linux-kbuild@vger.kernel.org,
	Nick Desaulniers <ndesaulniers@google.com>,
	Sami Tolvanen <samitolvanen@google.com>,
	Dmitry Golovin <dima@golovin.in>,
	Sedat Dilek <sedat.dilek@gmail.com>
Subject: Re: [PATCH v3 3/4] MIPS: VDSO: Use $(LD) instead of $(CC) to link VDSO
Date: Mon, 27 Apr 2020 16:24:06 -0700	[thread overview]
Message-ID: <20200427232406.GA8226@ubuntu-s3-xlarge-x86> (raw)
In-Reply-To: <alpine.LFD.2.21.2004271712130.851719@eddie.linux-mips.org>

On Mon, Apr 27, 2020 at 05:22:53PM +0100, Maciej W. Rozycki wrote:
> On Sun, 26 Apr 2020, Nathan Chancellor wrote:
> 
> > > 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.
> 
>  Can you actually record in the change description what the difference in 
> the relevant link command is, as shown where `V=1' has been used with 
> `make' invocation?

That will be rather unweildy to put in the commit message since
currently, $(CC) + $(KBUILD_CFLAGS) is being used but I can if it is
really desired. Otherwise, I can just put it where I put the changelog.

>  Actually running `diff -bu' on the whole `V=1' build log obtained without 
> and with your proposed change applied and ensuring there are no unwanted 
> changes elsewhere will be a good measure of the correctness of your patch. 
> You may have to prepare to be patient and run with `-j1' to make sure any 
> `make' parallelism does not interfere with the order of commands printed.
> 
>   Maciej
> 

Thanks for the input, I will take a look.

Cheers,
Nathan

  reply	other threads:[~2020-04-27 23:24 UTC|newest]

Thread overview: 41+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-04-19 18:04 [PATCH 1/2] kbuild: add CONFIG_LD_IS_LLD Nathan Chancellor
2020-04-19 18:04 ` [PATCH 2/2] MIPS: VDSO: Do not disable VDSO when linking with ld.lld Nathan Chancellor
2020-04-19 18:17   ` Nathan Chancellor
2020-04-19 19:32     ` Masahiro Yamada
2020-04-19 20:05       ` Nathan Chancellor
2020-04-19 20:21 ` [PATCH v2 1/3] kbuild: add CONFIG_LD_IS_LLD Nathan Chancellor
2020-04-19 20:21   ` [PATCH v2 2/3] MIPS: VDSO: Move disabling the VDSO logic to Kconfig Nathan Chancellor
2020-04-20  9:53     ` Sedat Dilek
2020-04-21  2:42       ` Nathan Chancellor
2020-04-23 14:41         ` Masahiro Yamada
2020-04-19 20:21   ` [PATCH v2 3/3] MIPS: VDSO: Allow ld.lld to link the VDSO Nathan Chancellor
2020-04-23 14:38   ` [PATCH v2 1/3] kbuild: add CONFIG_LD_IS_LLD Masahiro Yamada
2020-04-23 17:18   ` [PATCH v3 1/4] " Nathan Chancellor
2020-04-23 17:18     ` [PATCH v3 2/4] MIPS: VDSO: Move disabling the VDSO logic to Kconfig Nathan Chancellor
2020-04-23 17:18     ` [PATCH v3 3/4] MIPS: VDSO: Use $(LD) instead of $(CC) to link VDSO Nathan Chancellor
2020-04-26 16:27       ` Thomas Bogendoerfer
2020-04-27  2:08         ` Nathan Chancellor
2020-04-27 16:22           ` Maciej W. Rozycki
2020-04-27 23:24             ` Nathan Chancellor [this message]
2020-04-29 17:46               ` Maciej W. Rozycki
2020-04-30  3:14                 ` Nathan Chancellor
2020-04-28  2:17         ` Nathan Chancellor
2020-04-23 17:18     ` [PATCH v3 4/4] MIPS: VDSO: Allow ld.lld to link the VDSO Nathan Chancellor
2020-04-28 22:14     ` [PATCH v5 0/5] Allow ld.lld to link the MIPS VDSO Nathan Chancellor
2020-04-28 22:14       ` [PATCH v4 1/5] kbuild: add CONFIG_LD_IS_LLD Nathan Chancellor
2020-04-29  7:13         ` Sedat Dilek
2020-04-30  3:05           ` Nathan Chancellor
2020-04-28 22:14       ` [PATCH v4 2/5] MIPS: VDSO: Move disabling the VDSO logic to Kconfig Nathan Chancellor
2020-04-28 22:14       ` [PATCH v4 3/5] MIPS: Unconditionally specify '-EB' or '-EL' Nathan Chancellor
2020-04-28 22:14       ` [PATCH v4 4/5] MIPS: VDSO: Use $(LD) instead of $(CC) to link VDSO Nathan Chancellor
2020-04-28 22:54         ` Fangrui Song
2020-04-29  0:44           ` Nathan Chancellor
2020-05-02 13:34           ` Maciej W. Rozycki
2020-05-02 13:50         ` Maciej W. Rozycki
2020-05-02 15:49           ` Nathan Chancellor
2020-04-28 22:14       ` [PATCH v4 5/5] MIPS: VDSO: Allow ld.lld to link the VDSO Nathan Chancellor
2020-04-29  7:04       ` [PATCH v5 0/5] Allow ld.lld to link the MIPS VDSO Sedat Dilek
2020-04-30  3:06         ` Nathan Chancellor
2020-05-12  8:05       ` Thomas Bogendoerfer
2020-05-12  8:28         ` Nathan Chancellor
2020-05-13 11:18           ` Thomas Bogendoerfer

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