From: Andy Isaacson <adi@hexapodia.org>
To: Andrea Arcangeli <andrea@suse.de>
Cc: Linus Torvalds <torvalds@osdl.org>,
"David S. Miller" <davem@davemloft.net>,
linux-kernel@vger.kernel.org, tglx@linutronix.de, akpm@osdl.org
Subject: Re: VM fixes [->used_math to PF_USED_MATH] [6/4]
Date: Sun, 26 Dec 2004 23:03:09 -0800 [thread overview]
Message-ID: <20041227070309.GA28907@hexapodia.org> (raw)
In-Reply-To: <20041225145321.GU13747@dualathlon.random>
On Sat, Dec 25, 2004 at 03:53:21PM +0100, Andrea Arcangeli wrote:
> only to the future ones based on 2.6.10+, since the ev4 race on
> SMP/PREEMPT is not relevant for the suse tree (those last two patches
> are a bit too big to take any risk for a _purerly_theoretical_ race on
> ev4 + SMP or ev4 + PREEMPT ;). The PF_MEMDIE was instead a more pratical
> race (Wli said he triggered it in practice too) and it was triggering on
> all archs, not just on ev4 + SMP or evr + PREEMPT, that's fixed with
> [1-4]/4.
FWIW, BWX showed up in ev56. So ev5 is also missing atomic byte
instructions, and there definitely are (were?) SMP ev5 machines
supported by Linux.
I can't find any authoritative source for that assertion, but google
supports it:
http://sources.redhat.com/ml/libc-alpha/2002-09/msg00328.html
-andy
next prev parent reply other threads:[~2004-12-27 7:03 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-12-24 17:41 VM fixes [4/4] Andrea Arcangeli
2004-12-24 18:01 ` David S. Miller
2004-12-24 18:22 ` Andrea Arcangeli
2004-12-24 20:55 ` David S. Miller
2004-12-24 21:25 ` William Lee Irwin III
2004-12-24 23:52 ` William Lee Irwin III
2004-12-24 23:55 ` David S. Miller
2004-12-24 23:41 ` Linus Torvalds
2004-12-25 2:27 ` Andrea Arcangeli
2004-12-25 3:24 ` VM fixes [PF_MEMDIE to TIF_MEMDIE] [5/4] Andrea Arcangeli
2004-12-25 14:53 ` VM fixes [->used_math to PF_USED_MATH] [6/4] Andrea Arcangeli
2004-12-27 7:03 ` Andy Isaacson [this message]
2005-01-02 15:41 ` Andrea Arcangeli
2005-01-08 17:17 ` William Lee Irwin III
2004-12-25 0:06 ` VM fixes [4/4] Mitchell Blank Jr
2004-12-25 2:37 ` Andrea Arcangeli
2004-12-24 23:32 ` Linus Torvalds
2004-12-27 13:38 ` Rik van Riel
2004-12-28 9:42 ` Thomas Gleixner
2005-01-02 15:51 ` Andrea Arcangeli
2005-01-02 16:44 ` Rik van Riel
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