From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1Nva7n-0004jy-B3 for qemu-devel@nongnu.org; Sat, 27 Mar 2010 13:48:43 -0400 Received: from [140.186.70.92] (port=42672 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1Nva7m-0004ig-97 for qemu-devel@nongnu.org; Sat, 27 Mar 2010 13:48:43 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.69) (envelope-from ) id 1Nva7l-0002xa-18 for qemu-devel@nongnu.org; Sat, 27 Mar 2010 13:48:42 -0400 Received: from mx1.redhat.com ([209.132.183.28]:1504) by eggs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1Nva7k-0002xF-QD for qemu-devel@nongnu.org; Sat, 27 Mar 2010 13:48:40 -0400 Message-ID: <4BAE44F2.20801@redhat.com> Date: Sat, 27 Mar 2010 20:48:34 +0300 From: Avi Kivity MIME-Version: 1.0 References: <1269497376-21903-1-git-send-email-cam@cs.ualberta.ca> <4BAB30EE.4020509@redhat.com> <8286e4ee1003250924q7cca5e71u8b8b7c6d8b785eb8@mail.gmail.com> <4BAB90BB.5030401@redhat.com> <8286e4ee1003260914u5e6ceee2pf0c00590de182fb6@mail.gmail.com> In-Reply-To: <8286e4ee1003260914u5e6ceee2pf0c00590de182fb6@mail.gmail.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Subject: [Qemu-devel] Re: [PATCH v3 1/1] Shared memory uio_pci driver List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Cam Macdonell Cc: qemu-devel@nongnu.org, kvm@vger.kernel.org, "Michael S. Tsirkin" On 03/26/2010 07:14 PM, Cam Macdonell wrote: > >> I'm not familiar with the uio internals, but for the interface, an ioctl() >> on the fd to assign an eventfd to an MSI vector. Similar to ioeventfd, but >> instead of mapping a doorbell to an eventfd, it maps a real MSI to an >> eventfd. >> > uio will never support ioctls. Why not? > Maybe irqcontrol could be extended? > What's irqcontrol? -- Do not meddle in the internals of kernels, for they are subtle and quick to panic.