From mboxrd@z Thu Jan 1 00:00:00 1970 From: Christoph Hellwig Date: Thu, 16 Mar 2006 15:56:06 +0000 Subject: Re: [PATCH] Fix percpu interrupt allocation in mmtimer code Message-Id: <20060316155606.GA6407@infradead.org> List-Id: References: <20060315143906.GE29195@sgi.com> In-Reply-To: <20060315143906.GE29195@sgi.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-ia64@vger.kernel.org On Wed, Mar 15, 2006 at 08:39:06AM -0600, Dimitri Sivanich wrote: > The timer interrupt in the mmtimer code needs to be allocated as > a percpu interrupt for acceptable performance on larger systems. > > The code needs to be updated to set this up properly, as the > SA_PERCPU_IRQ flag to request_interrupt is not supported. Rather than letting the driver poke into irq code internals I'd suggest you fux the request_irq code to properly support SA_PERCPU_IRQ.