linux-kernel - Re: [PATCH 08/10] Use __kernel_ulong_t in struct msqid64

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Message-ID: <CAMe9rOoU=2ma7e+sbfCV1Ca10_XCRY44DS7OJgFq79sNuXoo0A@mail.gmail.com>
Date:	Fri, 18 May 2012 05:06:35 -0700
From:	"H.J. Lu" <hjl.tools@...il.com>
To:	David Howells <dhowells@...hat.com>
Cc:	"H. Peter Anvin" <hpa@...nel.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, linux-arch@...r.kernel.org,
	mingo@...nel.org, tglx@...utronix.de,
	Paul Mundt <lethal@...ux-sh.org>
Subject: Re: [PATCH 08/10] Use __kernel_ulong_t in struct msqid64_ds

On Fri, May 18, 2012 at 4:53 AM, David Howells <dhowells@...hat.com> wrote:
> H. Peter Anvin <hpa@...nel.org> wrote:
>
>> User mode can, and should, be able to use the exported headers.  David
>> Howells have been doing even more work to distill out the actual
>> exported ABIs from the kernel and remove remaining chaff.
>
> See:
>
>        http://git.infradead.org/users/dhowells/linux-headers.git/shortlog/refs/heads/uapi-split
>
> Linus: Any chance of this being pulled at the end of the next merge window?  I
> know you said you didn't want to do another big header file cleanup for a
> while after pulling the system.h disintegration, but I'm wondering if your
> distaste has expired yet.
>

As shown by x32, the kernel interface types are really arch-dependent.
Any generic types based on long won't work for x32.


-- 
H.J.
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