From mboxrd@z Thu Jan 1 00:00:00 1970 From: Christoph Hellwig Date: Sat, 04 Sep 2004 16:57:34 +0000 Subject: Re: [PATCH 2/4] SGI Altix cross partition functionality (1st revision) Message-Id: <20040904175734.A16526@infradead.org> List-Id: References: <20040616163514.GB27891@sgi.com> In-Reply-To: <20040616163514.GB27891@sgi.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-ia64@vger.kernel.org On Sat, Sep 04, 2004 at 05:55:16PM +0100, Christoph Hellwig wrote: > > hot and need to broken up. So that is why you will find people that > > believe that it is simpler and less complex to design in fine grain locks, > > to avoid having to track down and fix scaling bugs. > > Have you not looked at the code or are you publically trying to make a fool > of yourself? > > The lock is taken during xfc_connect/disconnect which happen exactly at > ifconfig up/down time. Please explain me why ifconfig scalability matters > to SGI. And btw, as your trying to play mister smartass here: if you removed support for the second possible channel instead of keeping it as hook for your propritary xpmem module we'd have only one lock anyway. What about just completely killing support for that second channel and we don't need to dicuss this issue at all.