Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753508AbZJUNtO (ORCPT ); Wed, 21 Oct 2009 09:49:14 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753475AbZJUNtN (ORCPT ); Wed, 21 Oct 2009 09:49:13 -0400 Received: from sinclair.provo.novell.com ([137.65.248.137]:6370 "EHLO sinclair.provo.novell.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753330AbZJUNtM convert rfc822-to-8bit (ORCPT ); Wed, 21 Oct 2009 09:49:12 -0400 X-Greylist: delayed 1206 seconds by postgrey-1.27 at vger.kernel.org; Wed, 21 Oct 2009 09:49:12 EDT Message-Id: <4ADEF08D020000860004410B@sinclair.provo.novell.com> X-Mailer: Novell GroupWise Internet Agent 8.0.1 Date: Wed, 21 Oct 2009 07:29:17 -0600 From: "Leonardo Chiquitto" To: , "FUJITA Tomonori" , Cc: Subject: Re: [PATCH] ia64: fix SBA IOMMU to handle allocation failure properly References: <20091018140631K.fujita.tomonori@lab.ntt.co.jp> In-Reply-To: <20091018140631K.fujita.tomonori@lab.ntt.co.jp> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 8BIT Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1225 Lines: 33 > This is an updated patch of the patch that I've posted one year > ago. Shehjar reported the problem and confirmed that the patch fixes > it: > > http://lkml.indiana.edu/hypermail/linux/kernel/0811.0/01562.html > > Leonardo told me that he hit the same problem and confirmed that the > patch fixes it. > > = > From: FUJITA Tomonori > Subject: [PATCH] ia64: fix SBA IOMMU to handle allocation failure properly > > It's possible that SBA IOMMU might fail to find I/O space under heavy > I/Os. SBA IOMMU panics on allocation failure but it shouldn't; drivers > can handle the failure. The majority of other IOMMU drivers don't > panic on allocation failure. > > This patch fixes SBA IOMMU path to handle allocation failure properly. > > Signed-off-by: FUJITA Tomonori Thanks for refreshing and resubmitting this. I just received feedback confirming that the patch resolves the problem. Kind regards, Leonardo -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/