From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from www.tglx.de (www.tglx.de [62.245.132.106]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id 0643DB7E5D for ; Fri, 19 Feb 2010 03:35:45 +1100 (EST) Date: Thu, 18 Feb 2010 17:35:37 +0100 (CET) From: Thomas Gleixner To: Anton Vorontsov Subject: Re: [PATCH] powerpc/82xx: Convert pci_pic_lock to raw_spinlock In-Reply-To: <20100218135738.GA16072@oksana.dev.rtsoft.ru> Message-ID: References: <20100218121904.620984825@linutronix.de> <20100218135738.GA16072@oksana.dev.rtsoft.ru> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Cc: linuxppc-dev@ozlabs.org List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Thu, 18 Feb 2010, Anton Vorontsov wrote: > Interrupt controllers' hooks are executed in the atomic context, so > they are not permitted to sleep (with RT kernels non-raw spinlocks are > sleepable). So, pci_pic_lock has to be a real (non-sleepable) spinlock. > > Signed-off-by: Anton Vorontsov Acked-by: Thomas Gleixner