From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1MqWnd-0002Ci-TK for qemu-devel@nongnu.org; Wed, 23 Sep 2009 14:42:45 -0400 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1MqWnZ-0002Au-Rh for qemu-devel@nongnu.org; Wed, 23 Sep 2009 14:42:45 -0400 Received: from [199.232.76.173] (port=55497 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1MqWnZ-0002Ak-EX for qemu-devel@nongnu.org; Wed, 23 Sep 2009 14:42:41 -0400 Received: from mx1.redhat.com ([209.132.183.28]:63384) by monty-python.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1MqWnY-0004xV-Sj for qemu-devel@nongnu.org; Wed, 23 Sep 2009 14:42:41 -0400 Date: Wed, 23 Sep 2009 21:40:41 +0300 From: "Michael S. Tsirkin" Message-ID: <20090923184041.GA18947@redhat.com> References: <20090923125818.GA13875@redhat.com> <4ABA62D0.2060205@codemonkey.ws> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4ABA62D0.2060205@codemonkey.ws> Subject: [Qemu-devel] Re: comments on: get page size in device init List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Anthony Liguori Cc: Blue Swirl , qemu-devel@nongnu.org On Wed, Sep 23, 2009 at 01:02:56PM -0500, Anthony Liguori wrote: > Blue Swirl wrote: >> On Wed, Sep 23, 2009 at 3:58 PM, Michael S. Tsirkin wrote: >> >>>> Compile msix only once >>>> >>>> Get page size in device init. >>>> >>>> Signed-off-by: Blue Swirl >>>> >>> What was the motivation for the page size change? >>> >> >> "Compile msix only once" >> >> >>> It seems the only user passes TARGET_PAGE_SIZE anyway, >>> using a constant seems clearer and probably generates >>> less code. No? >>> >> >> Yes, but then the code would depend on TARGET_PAGE_SIZE, making it >> impossible to compile the code only once. >> > > We could probably get away with doing > > #define TARGET_PAGE_SIZE target_get_page_size() > > And take care of a big chunk of this without passing page size > parameters around. Sounds good. > Regards, > > Anthony Liguori