From mboxrd@z Thu Jan 1 00:00:00 1970 From: Kenji Kaneshige Date: Thu, 11 Mar 2004 00:34:06 +0000 Subject: RE: [PATCH] fix PCI interrupt setting for ia64 Message-Id: List-Id: In-Reply-To: <16463.30226.948230.439549@napali.hpl.hp.com> References: In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: davidm@hpl.hp.com, Kenji Kaneshige Cc: linux-ia64@vger.kernel.org, linux-kernel@vger.kernel.org Hi, I'm sorry that the report falls behind. I wanted to check out by using real device driver which uses a probe_irq_on(), but I don't have appropriate environment now. Though I didn't check out on a real machine yet, I believe my patch doesn't have any influence on probe_irq_on() because current probe_irq_on() calls startup callback to unmask the RTEs as you said before. Regards, Kenji Kaneshige > -----Original Message----- > From: linux-ia64-owner@vger.kernel.org > [mailto:linux-ia64-owner@vger.kernel.org]On Behalf Of David Mosberger > Sent: Thursday, March 11, 2004 5:10 AM > To: Kenji Kaneshige > Cc: linux-ia64@vger.kernel.org; linux-kernel@vger.kernel.org > Subject: Re: [PATCH] fix PCI interrupt setting for ia64 > > > Kenji, > > Sorry, I lost track of the status of this patch. Has it been checked > out OK with respect to interrupt probing? > > --david > > >>>>> On Mon, 08 Mar 2004 11:49:10 +0900, Kenji Kaneshige > said: > > Kenji> Hi, In ia64 kernel, IOSAPIC's RTEs for PCI interrupts are > Kenji> unmasked at the boot time before installing device drivers. I > Kenji> think it is very dangerous. If some PCI devices without > Kenji> device driver generate interrupts, interrupts are generated > Kenji> repeatedly because these interrupt requests are never > Kenji> cleared. I think RTEs for PCI interrupts should be unmasked > Kenji> by device driver. > - > To unsubscribe from this list: send the line "unsubscribe linux-ia64" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html