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From: Nicholas Piggin <npiggin@gmail.com>
To: linux-kbuild@vger.kernel.org
Cc: linux-arch@vger.kernel.org, Michal Marek <mmarek@suse.com>,
	Sam Ravnborg <sam@ravnborg.org>,
	Stephen Rothwell <sfr@canb.auug.org.au>,
	Arnd Bergmann <arnd@arndb.de>, Nicolas Pitre <nico@linaro.org>,
	Segher Boessenkool <segher@kernel.crashing.org>,
	Alan Modra <amodra@gmail.com>
Subject: Re: [PATCH 0/6 v2] kbuild changes, thin archives, --gc-sections
Date: Tue, 23 Aug 2016 16:17:39 +1000	[thread overview]
Message-ID: <20160823161739.0f4f7337@roar.ozlabs.ibm.com> (raw)
In-Reply-To: <1470910580-18458-1-git-send-email-npiggin@gmail.com>

On Thu, 11 Aug 2016 20:16:14 +1000
Nicholas Piggin <npiggin@gmail.com> wrote:

> Hi,
> 
> I would like to submit the kbuild changes in patches 1-3 for
> consideration.
> 
> I've taken on the feedback, so thanks everybody for that. The
> biggest change since last time is a more general way for
> architectures to do a post-link pass in patch 3.
> 
> On the question of whether to enable thin archives unconditionally,
> I prefer to have architectures enable them as they are tested. But
> I would like to see everybody moved as soon as possible and the
> incremental linking removed.
> 
> All patches should be basically noops without arch enablement,
> so I include initial powerpc enablement in patches 4-6 for
> reference, but I will submit those via powerpc maintainer if
> the kbuild changes are merged.

Hi Michal,

I'm wondering what your thoughts are with this series?

Sam had some other comment on patch 3, but I think it has come to a
matter of preference. I don't mind too much, so I can change it to
whatever people prefer (sh or makefile).

And did you want me to re-post the series, or are you happy to take
updated patches from replies?

The ARM slowness with allyesconfig builds with thin archives was a
linker workaround for a processor bug that they don't need to enable
for allyesconfig build anyway. I provided them a patch to avoid that.
For usual sized builds, it's not noticeable.

Thanks,
Nick

      parent reply	other threads:[~2016-08-23  6:30 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-08-11 10:16 Nicholas Piggin
2016-08-11 10:16 ` [PATCH 1/6] kbuild: allow architectures to use thin archives instead of ld -r Nicholas Piggin
2016-08-11 10:16 ` [PATCH 2/6] kbuild: allow archs to select link dead code/data elimination Nicholas Piggin
2016-08-11 10:16 ` [PATCH 3/6] kbuild: add arch specific post-link pass Nicholas Piggin
2016-08-16  9:23   ` Michal Marek
2016-08-17  4:43     ` Nicholas Piggin
2016-08-17  9:05       ` Michal Marek
2016-08-17  9:56       ` Sam Ravnborg
2016-08-18  0:17         ` Nicholas Piggin
2016-08-11 10:16 ` [PATCH 4/6] powerpc: switch to using thin archives Nicholas Piggin
2016-08-11 10:16 ` [PATCH 5/6] powerpc/64: use linker dead code elimination Nicholas Piggin
2016-08-11 10:16 ` [PATCH 6/6] powerpc: use the new post-link pass to check relocations Nicholas Piggin
2016-08-11 12:31 ` [PATCH 0/6 v2] kbuild changes, thin archives, --gc-sections Stephen Rothwell
2016-08-11 12:39 ` [PATCH] Xen: remove -fshort-wchar gcc flag Arnd Bergmann
2016-08-11 12:51   ` Jan Beulich
2016-08-11 12:51   ` [Xen-devel] " Jan Beulich
2016-08-11 14:01     ` Arnd Bergmann
2016-08-11 14:06       ` Jan Beulich
2016-08-11 14:06       ` Jan Beulich
2016-08-11 14:01     ` Arnd Bergmann
2016-08-24 17:18   ` [Xen-devel] " David Vrabel
2016-08-24 17:18   ` David Vrabel
2016-08-11 12:39 ` Arnd Bergmann
2016-08-11 13:55 ` [EXPERIMENTAL] enable thin archives and --gc-sections on ARM Arnd Bergmann
2016-08-11 20:01   ` Nicolas Pitre
2016-08-11 20:37     ` Arnd Bergmann
2016-08-11 21:05       ` Nicolas Pitre
2016-08-23  6:17 ` Nicholas Piggin [this message]

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