From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1M8Ydz-00055F-KA for qemu-devel@nongnu.org; Mon, 25 May 2009 07:47:03 -0400 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1M8Ydv-00054r-Th for qemu-devel@nongnu.org; Mon, 25 May 2009 07:47:03 -0400 Received: from [199.232.76.173] (port=46936 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1M8Ydv-00054m-N4 for qemu-devel@nongnu.org; Mon, 25 May 2009 07:46:59 -0400 Received: from smtp02.citrix.com ([66.165.176.63]:23198) by monty-python.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1M8Ydv-0000x9-8l for qemu-devel@nongnu.org; Mon, 25 May 2009 07:46:59 -0400 Message-ID: <4A1A85B4.3060200@eu.citrix.com> Date: Mon, 25 May 2009 12:49:08 +0100 From: Stefano Stabellini MIME-Version: 1.0 Subject: Re: [Qemu-devel] Do we need CONFIG_AIO? References: <20090525082151.GA4107@lst.de> In-Reply-To: <20090525082151.GA4107@lst.de> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Christoph Hellwig Cc: "qemu-devel@nongnu.org" Christoph Hellwig wrote: > Currently all aio code in the raw-posix block driver depends on a > CONFIG_AIO symbol that gets set based on the availability of the > pthreads library. Beeing able to rely on unconditional aio support > means we could remove the whole code for plain bdrv_read/bdrv_write > in raw-posix.c which is about 300 lines of code and a duplicated code > path. Is there any Posix-ish platform qemu supports that does not > have pthreads support? > MiniOS. I would appreciate if you keep that flag.