From: Nicolas Pitre <nico@cam.org>
To: Daniel Jacobowitz <dan@debian.org>
Cc: Linus Torvalds <torvalds@osdl.org>, Ingo Molnar <mingo@elte.hu>,
lkml <linux-kernel@vger.kernel.org>,
Andrew Morton <akpm@osdl.org>,
Arjan van de Ven <arjanv@infradead.org>,
Jes Sorensen <jes@trained-monkey.org>,
Zwane Mwaikambo <zwane@arm.linux.org.uk>,
Oleg Nesterov <oleg@tv-sign.ru>,
David Howells <dhowells@redhat.com>,
Alan Cox <alan@lxorguk.ukuu.org.uk>,
Benjamin LaHaise <bcrl@kvack.org>,
Steven Rostedt <rostedt@goodmis.org>,
Christoph Hellwig <hch@infradead.org>, Andi Kleen <ak@suse.de>,
Russell King <rmk+lkml@arm.linux.org.uk>
Subject: Re: [patch 3/8] mutex subsystem, add atomic_*_call_if_*() to i386
Date: Wed, 21 Dec 2005 15:54:13 -0500 (EST) [thread overview]
Message-ID: <Pine.LNX.4.64.0512211552080.26663@localhost.localdomain> (raw)
In-Reply-To: <20051221203243.GA19082@nevyn.them.org>
On Wed, 21 Dec 2005, Daniel Jacobowitz wrote:
> This new macro is only going to be used in x86-specific files, right?
> There's no practical way to implement this on lots of other
> architectures.
The default implementation does the call in C.
> Embedding a call in asm("") can break other things too - for instance,
> unwind tables could become inaccurate.
I doubt unwind tables are used at all for the kernel, are they?
Nicolas
next prev parent reply other threads:[~2005-12-21 20:54 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-12-21 15:54 [patch 3/8] mutex subsystem, add atomic_*_call_if_*() to i386 Ingo Molnar
2005-12-21 18:54 ` Linus Torvalds
2005-12-21 18:57 ` Linus Torvalds
2005-12-21 20:01 ` Ingo Molnar
2005-12-21 20:32 ` Daniel Jacobowitz
2005-12-21 20:54 ` Nicolas Pitre [this message]
2005-12-22 9:18 ` Keith Owens
2005-12-21 19:47 ` Ingo Molnar
2005-12-21 22:40 ` Linus Torvalds
2005-12-21 22:37 Ingo Molnar
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