linux-kernel - Re: [Bug #11254] KVM: fix userspace ABI breakage

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Date:	Sun, 24 Aug 2008 22:27:18 +0300
From:	Adrian Bunk <bunk@...nel.org>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Kernel Testers List <kernel-testers@...r.kernel.org>,
	Avi Kivity <avi@...ranet.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [Bug #11254] KVM: fix userspace ABI breakage

On Sat, Aug 23, 2008 at 08:10:16PM +0200, Rafael J. Wysocki wrote:
> This message has been generated automatically as a part of a report
> of recent regressions.
> 
> The following bug entry is on the current list of known regressions
> from 2.6.26.  Please verify if it still should be listed and let me know
> (either way).
> 
> 
> Bug-Entry	: http://bugzilla.kernel.org/show_bug.cgi?id=11254
> Subject		: KVM: fix userspace ABI breakage
> Submitter	: Adrian Bunk <bunk@...nel.org>
> Date		: 21 Jul 2008 17:58:26 (0 days old)
> References	: http://lkml.org/lkml/2008/7/21/197
> Handled-By	: Adrian Bunk <bunk@...nel.org>
> Patch		: http://lkml.org/lkml/2008/7/21/197

The discussion in Bugzilla whether it is a regression at all can be 
condensed to the following question:

Can a struct that is part of the 2.6.26 userspace headers be defined to 
be part of an "experimental ABI" and therefore be changed?

cu
Adrian

-- 

       "Is there not promise of rain?" Ling Tan asked suddenly out
        of the darkness. There had been need of rain for many days.
       "Only a promise," Lao Er said.
                                       Pearl S. Buck - Dragon Seed

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