From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1Nfv0l-0007bF-Rs for qemu-devel@nongnu.org; Fri, 12 Feb 2010 07:52:43 -0500 Received: from [199.232.76.173] (port=52112 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1Nfv0l-0007b7-2A for qemu-devel@nongnu.org; Fri, 12 Feb 2010 07:52:43 -0500 Received: from Debian-exim by monty-python.gnu.org with spam-scanned (Exim 4.60) (envelope-from ) id 1Nfv0j-0002Py-Rc for qemu-devel@nongnu.org; Fri, 12 Feb 2010 07:52:42 -0500 Received: from verein.lst.de ([213.95.11.210]:49675) by monty-python.gnu.org with esmtps (TLS-1.0:DHE_RSA_3DES_EDE_CBC_SHA1:24) (Exim 4.60) (envelope-from ) id 1Nfv0j-0002PZ-Au for qemu-devel@nongnu.org; Fri, 12 Feb 2010 07:52:41 -0500 Date: Fri, 12 Feb 2010 13:52:38 +0100 From: Christoph Hellwig Subject: Re: [Qemu-devel] Heads up: glibc preadv emulation breaks qemu on older kernels Message-ID: <20100212125238.GA22221@lst.de> References: <20100211190608.GA26410@amd.home.annexia.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20100211190608.GA26410@amd.home.annexia.org> List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: "Richard W.M. Jones" Cc: qemu-devel@nongnu.org On Thu, Feb 11, 2010 at 07:06:08PM +0000, Richard W.M. Jones wrote: > One interesting thing is that qemu has its own preadv emulation (which > does the emulation correctly), but this is never used because qemu > never gets ENOSYS back from preadv. At this point the amount of bugs in the glibc preadv/pwritev code really make me want to go to use the raw system calls on Linux only. Any opinions from the maintainers if that is acceptable?