From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sasha Levin Subject: Re: [PATCH 2/2] kvm tools: inject MSI directly without going through a GSI Date: Sat, 04 Aug 2012 11:30:19 +0200 Message-ID: <501CEBAB.1040504@gmail.com> References: <1343917764-28715-1-git-send-email-levinsasha928@gmail.com> <1343917764-28715-2-git-send-email-levinsasha928@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: mingo@elte.hu, gorcunov@gmail.com, kvm@vger.kernel.org To: Pekka Enberg Return-path: Received: from mail-bk0-f46.google.com ([209.85.214.46]:38061 "EHLO mail-bk0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751000Ab2HDJ3y (ORCPT ); Sat, 4 Aug 2012 05:29:54 -0400 Received: by bkwj10 with SMTP id j10so522249bkw.19 for ; Sat, 04 Aug 2012 02:29:52 -0700 (PDT) In-Reply-To: Sender: kvm-owner@vger.kernel.org List-ID: On 08/04/2012 11:14 AM, Pekka Enberg wrote: > Hi Sasha, > > On Thu, Aug 2, 2012 at 5:29 PM, Sasha Levin wrote: >> Use the new KVM_SIGNAL_MSI ioctl to inject interrupts directly. >> >> We still create GSIs and keep them for two reasons: >> >> - They're required by virtio-* devices. >> - There's not much overhead since we just create them when starting the >> guest, they don't use anything when the guest is running. >> >> Signed-off-by: Sasha Levin > > This patch makes 'make check' hang for me. Full boot log below: Is your host kernel running 3.5? The new MSI injection ioctl is a new 3.5 feature.