From: Andrew Morton <akpm@osdl.org>
To: Zwane Mwaikambo <zwane@fsmlabs.com>
Cc: linux-kernel@vger.kernel.org, ak@suse.de, wli@holomorphy.com,
Ingo Molnar <mingo@elte.hu>
Subject: Re: [PATCH] remove LOCK_SECTION from x86_64 spin_lock asm
Date: Wed, 15 Sep 2004 14:45:23 -0700 [thread overview]
Message-ID: <20040915144523.0fec2070.akpm@osdl.org> (raw)
In-Reply-To: <Pine.LNX.4.53.0409151458470.10849@musoma.fsmlabs.com>
Zwane Mwaikambo <zwane@fsmlabs.com> wrote:
>
> William spotted this stray bit, LOCK_SECTION isn't used anymore on x86_64.
btw, Ingo and I were scratching heads over an x86_64 oops in curent -linus
trees.
If you enable profiling and frame pointers, profile_pc() goes splat
dereferencing the `regs' argument when it decides that the pc refers to a
lock section. Ingo said `regs' had a value of 0x2, iirc. Consider this a
bug report ;)
next prev parent reply other threads:[~2004-09-15 21:45 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-09-15 16:01 Zwane Mwaikambo
2004-09-15 21:45 ` Andrew Morton [this message]
2004-09-15 17:55 ` Zwane Mwaikambo
2004-09-15 21:47 ` Ingo Molnar
2004-09-16 6:13 ` Andi Kleen
2004-09-16 6:27 ` Ingo Molnar
2004-09-16 6:44 ` Andi Kleen
2004-09-16 6:51 ` Ingo Molnar
2004-09-16 6:53 ` Andi Kleen
2004-09-16 6:58 ` Ingo Molnar
2004-09-16 7:09 ` Andi Kleen
2004-09-16 7:19 ` Ingo Molnar
2004-09-16 7:29 ` Andi Kleen
2004-09-16 7:44 ` Ingo Molnar
2004-09-16 7:53 ` Andi Kleen
2004-09-16 9:01 ` Andi Kleen
2004-09-16 12:44 ` Zwane Mwaikambo
2004-09-16 19:30 ` Ingo Molnar
2004-09-15 22:42 Andrew Chew
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