From mboxrd@z Thu Jan 1 00:00:00 1970 From: Avi Kivity Subject: Re: [PATCH v3 1/1] Shared memory uio_pci driver Date: Sat, 27 Mar 2010 20:48:34 +0300 Message-ID: <4BAE44F2.20801@redhat.com> 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> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Cc: kvm@vger.kernel.org, qemu-devel@nongnu.org, "Michael S. Tsirkin" To: Cam Macdonell Return-path: Received: from mx1.redhat.com ([209.132.183.28]:10906 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753769Ab0C0Rsl (ORCPT ); Sat, 27 Mar 2010 13:48:41 -0400 In-Reply-To: <8286e4ee1003260914u5e6ceee2pf0c00590de182fb6@mail.gmail.com> Sender: kvm-owner@vger.kernel.org List-ID: 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.