From: Arjan van de Ven <arjan@infradead.org>
To: linux@bohmer.net
Cc: Ingo Molnar <mingo@elte.hu>, Thomas Gleixner <tglx@linutronix.de>,
linux-kernel@vger.kernel.org, linux-rt-users@vger.kernel.org
Subject: Re: PI mutex support on ARM
Date: Mon, 09 Jul 2007 07:46:06 -0700 [thread overview]
Message-ID: <1183992366.2668.0.camel@laptopd505.fenrus.org> (raw)
In-Reply-To: <3efb10970707081317k22de079dr9a5cad6a42cf5b3b@mail.gmail.com>
On Sun, 2007-07-08 at 22:17 +0200, Remy Bohmer wrote:
> Hello Ingo,
>
> > patch format problem: never diff the asm/ files, diff the asm-arm/ files.
> Yeah, of course, I know, I believe I made a real mess of this one ...
>
> > is it safe to do a get_user() with irqs off?
> rhetorical question ;-))
> I was wondering, Is it safe to use a normal spinlock here, like this?
if get_user() isn't allowed with irq's off (and in general it's not,
maybe arm is special) then it also isn't allowed with spinlocks held..
prev parent reply other threads:[~2007-07-09 14:46 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-07-08 8:24 Remy Bohmer
2007-07-08 9:58 ` Ingo Molnar
2007-07-08 20:17 ` Remy Bohmer
2007-07-09 14:46 ` Arjan van de Ven [this message]
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