linux-kernel - Re: [PATCH 0/8] Update kernel uabi header files for x32

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Message-ID: <52DD6243.1000205@zytor.com>
Date:	Mon, 20 Jan 2014 09:52:03 -0800
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Christoph Hellwig <hch@...radead.org>
CC:	"H.J. Lu" <hjl.tools@...il.com>,
	linux-arch <linux-arch@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Ralf Baechle <ralf@...ux-mips.org>,
	Catalin Marinas <catalin.marinas@....com>,
	Will Deacon <will.deacon@....com>
Subject: Re: [PATCH 0/8] Update kernel uabi header files for x32

On 01/20/2014 09:50 AM, Christoph Hellwig wrote:
> On Mon, Jan 20, 2014 at 09:46:41AM -0800, H. Peter Anvin wrote:
>> This comment by Christoph was literally the only feedback on this
>> patchset.  The definition of __kernel_[u]long_t is "the size of 'long'
>> for the native kernel for the ABI".  H.J.'s patchset only affects x86
>> (specifically x86-64) since on all other platforms __kernel_[u]long_t is
>> simply defined as long/unsigned long.
> 
> Btw, sorry for the delay in getting back yo your question.  How about
> __abi_long_t or __kabi_long_t instead?
> 

__kernel_* is the namespace that we reserve for uabi symbols/types in
user space.  Changing the prefix would break that contract.

	-hpa

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