linux-kernel - Re: [PATCH] headers_check: don't warn about kexec.h

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Message-ID: <2363197.VbAKlSiQLX@wuerfel>
Date:	Tue, 13 Jan 2015 21:27:08 +0100
From:	Arnd Bergmann <arnd@...db.de>
To:	Paul Bolle <pebolle@...cali.nl>
Cc:	Geoff Levand <geoff@...radead.org>, Michal Marek <mmarek@...e.cz>,
	linux-kernel@...r.kernel.org, linux-api@...r.kernel.org,
	linux-kbuild@...r.kernel.org
Subject: Re: [PATCH] headers_check: don't warn about kexec.h

On Tuesday 13 January 2015 18:13:32 Paul Bolle wrote:
> 
> For the seqbuf_dump() stuff there are apparently users. I forgot the
> details, but the sound people wanted to keep that declaration (and some
> related ancient things) in the header involved to keep some really
> ancient stuff buildable.
> 
> But the kexec_load declaration isn't very useful for userspace, see the
> patch I submitted in
> http://lkml.kernel.org/r/1389791824.17407.9.camel@x220 . And After my
> attempt the export of that declaration has also been discussed in
> http://lkml.kernel.org/r/115373b6ac68ee7a305975896e1c4971e8e51d4c.1408731991.git.geoff@infradead.org 
> 
> In that last discussion no one has been able to point to an actual user
> of it. So, as far as I can tell, no one actually uses it. Which makes
> sense, because including this header by itself doesn't give one access
> to a useful definition of kexec_load. So why bother with the
> declaration?
> 
> The last time that Geoff has been trying to get that patch applied
> should be
> http://lkml.kernel.org/r/b0702fc4186db21820d686e89afd6480560823db.1415837218.git.geoff@infradead.org  I'd rather see that go in.
> 

Fine with me as well. As long as we can find someone to take one of 
the patches, I'm happy.

	Arnd
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