Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754715AbZKIVFh (ORCPT ); Mon, 9 Nov 2009 16:05:37 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754247AbZKIVFh (ORCPT ); Mon, 9 Nov 2009 16:05:37 -0500 Received: from hera.kernel.org ([140.211.167.34]:41385 "EHLO hera.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753687AbZKIVFg (ORCPT ); Mon, 9 Nov 2009 16:05:36 -0500 Message-ID: <4AF875D0.10602@kernel.org> Date: Mon, 09 Nov 2009 12:04:32 -0800 From: Yinghai Lu User-Agent: Thunderbird 2.0.0.23 (X11/20090817) MIME-Version: 1.0 To: Jesse Barnes , Ivan Kokshaysky , Linus Torvalds , Ingo Molnar , Matthew Wilcox CC: "linux-pci@vger.kernel.org" , "linux-kernel@vger.kernel.org" Subject: pci_find_parent_resource patch Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1212 Lines: 36 it seems this patch from Linus get lost ? ----------------------------------------------------- from Linus --- drivers/pci/pci.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) Index: linux-2.6/drivers/pci/pci.c =================================================================== --- linux-2.6.orig/drivers/pci/pci.c +++ linux-2.6/drivers/pci/pci.c @@ -382,8 +382,12 @@ pci_find_parent_resource(const struct pc continue; /* Wrong type */ if (!((res->flags ^ r->flags) & IORESOURCE_PREFETCH)) return r; /* Exact match */ - if ((res->flags & IORESOURCE_PREFETCH) && !(r->flags & IORESOURCE_PREFETCH)) - best = r; /* Approximating prefetchable by non-prefetchable */ + /* We can't insert a non-prefetch resource inside a prefetchable parent .. */ + if (r->flags & IORESOURCE_PREFETCH) + continue; + /* .. but we can put a prefetchable resource inside a non-prefetchable one */ + if (!best) + best = r; } return best; } -- 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/