linux-kernel - Re: [PATCH] Add a personality to report 2.6.x version numbers

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Message-ID: <CACVxJT93c+tYryWGPdw6LM9X+3b_QT78B0D9JwksksvN0akBkQ@mail.gmail.com>
Date:	Wed, 24 Aug 2011 17:19:48 +0300
From:	Alexey Dobriyan <adobriyan@...il.com>
To:	Colin Walters <walters@...bum.org>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andi Kleen <andi@...stfloor.org>, akpm@...ux-foundation.org,
	linux-kernel@...r.kernel.org, Andi Kleen <ak@...ux.intel.com>
Subject: Re: [PATCH] Add a personality to report 2.6.x version numbers

On Tue, Aug 23, 2011 at 4:15 PM, Colin Walters <walters@...bum.org> wrote:
> Seems pretty clear to me though it's a bug in the apps that are using
> '==' instead of .startswith().

This doesn't count under "no userspace breakage" doctrine.
Or rather, it shouldn't.

valgrind _compilation_ was broken by 3.0:
11 	*valgrind-3.6.1-r1 (09 Jun 2011)
12 	
13 	09 Jun 2011; Anthony G. Basile <blueness@...too.org>
14 	+valgrind-3.6.1-r1.ebuild, +files/valgrind-3.6.1-linux-3.patch:
15 	Fixed to build against linux-3.x, bug #370857

Was this fixed? Yes.
Will this break one more time? Of course!

         case "${kernel}" in
-             2.6.*)
+             2.6.*|3.*)
         	    AC_MSG_RESULT([2.6 family (${kernel})])
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