From mboxrd@z Thu Jan 1 00:00:00 1970 From: Christoph Hellwig Date: Sat, 25 Feb 2006 11:55:12 +0000 Subject: Re: [PATCH] altix: export sn_pcidev_info_get Message-Id: <20060225115512.GA24439@infradead.org> List-Id: References: <20060214162337.GA16954@sgi.com> <20060220201713.GA4992@infradead.org> <20060221024710.GB30226@sgi.com> <20060221103633.GA19349@infradead.org> In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Jes Sorensen Cc: Christoph Hellwig , Mark Maule , akpm@osdl.org, linux-ia64@vger.kernel.org, linux-kernel@vger.kernel.org On Tue, Feb 21, 2006 at 06:23:12AM -0500, Jes Sorensen wrote: > Point is that there are cases where tuning requires you to know what > PCI bridge is below you in order to get the best performance out of a > card. One can keep a PCI ID blacklist to handle tuning of the PCI > bridge itself, but it can't handle things that needs to be tuned > by setting the PCI device's own registers. > > Having a generic API to export this information would be a good thing > IMHO. So please submit a patch to add querying/tuning pci bridges. And please make it _GPL exports so people don't accidentally use it in their illegal drivers.