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Message-ID: <20080429142039.GD26461@elte.hu> Date: Tue, 29 Apr 2008 16:20:39 +0200 From: Ingo Molnar <mingo@...e.hu> To: David Miller <davem@...emloft.net> Cc: tglx@...utronix.de, torvalds@...ux-foundation.org, harvey.harrison@...il.com, akpm@...ux-foundation.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH] bitops: remove "optimizations" * David Miller <davem@...emloft.net> wrote: > From: David Miller <davem@...emloft.net> > Date: Tue, 29 Apr 2008 03:03:32 -0700 (PDT) > > > From: Thomas Gleixner <tglx@...utronix.de> > > Date: Tue, 29 Apr 2008 12:01:02 +0200 (CEST) > > > > > Signed-off-by: Thomas Gleixner <tglx@...utronix.de> > > > > Acked-by: David S. Miller <davem@...emloft.net> > > Ironically, I just bisected sparc64 bootup failures to the following > changeset. It's very late here, and I haven't looked into the > details, but it seems to wedge in free_area_init_nodes() on a non-NUMA > system with CONFIG_NUMA disabled. hm. I guess the next thing you plan to check is whether Thomas's patch fixes it? > Isn't it funny that this optimization not only was useless, but also > broke things. :-/ yeah and sorry :-/ It would still be nice to understand why this happened, it looks like a weird (and unexpected) interaction. Ingo -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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