linux-kernel - Re: Linux should define ENOTSUP

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Message-ID: <4576E134.5020109@zytor.com>
Date:	Wed, 06 Dec 2006 07:26:44 -0800
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Samuel Thibault <samuel.thibault@...-lyon.org>,
	"H. Peter Anvin" <hpa@...or.com>,
	Arjan van de Ven <arjan@...radead.org>,
	linux-kernel@...r.kernel.org
Subject: Re: Linux should define ENOTSUP

Samuel Thibault wrote:
> H. Peter Anvin, le Wed 06 Dec 2006 07:16:39 -0800, a écrit :
>> Arjan van de Ven wrote:
>>>> Is there any way to fix this?  Glibc people don't seem to want to fix it
>>>> on their part, see
>>>> http://sources.redhat.com/bugzilla/show_bug.cgi?id=2363
>>> Hi,
>>>
>>> Ulrich asked you to go to us once your time travel machine was
>>> finished.. is it finished yet ?  ;=)
>>>
>>> this is part of the ABI, so we can't change this in 2006...
>>>
>> If ENOTSUP is currently unused and is only there for completeness, then 
>> it should be fine to add it.
> 
> The functions that should be returning it instead of EOPNOTSUP should be
> fixed too.
> 

The two can't be done at the same time.  In fact, the two probably can't 
be done without a period of quite a few *years* between them.

	-hpa
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