From mboxrd@z Thu Jan  1 00:00:00 1970
From: Cyrill Gorcunov <gorcunov@gmail.com>
Subject: Re: [PATCH] kvm tools: Add 'kvm nmi' command
Date: Wed, 7 Dec 2011 14:31:11 +0400
Message-ID: <20111207103111.GC21678@moon>
References: <1323204175-17234-1-git-send-email-levinsasha928@gmail.com>
 <20111207102152.GP12507@redhat.com>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Cc: Sasha Levin <levinsasha928@gmail.com>, penberg@kernel.org,
	mingo@elte.hu, asias.hejun@gmail.com, kvm@vger.kernel.org
To: Gleb Natapov <gleb@redhat.com>
Return-path: <kvm-owner@vger.kernel.org>
Received: from mail-ee0-f46.google.com ([74.125.83.46]:64919 "EHLO
	mail-ee0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org
	with ESMTP id S1753825Ab1LGKbP (ORCPT <rfc822;kvm@vger.kernel.org>);
	Wed, 7 Dec 2011 05:31:15 -0500
Received: by eekd41 with SMTP id d41so307995eek.19
        for <kvm@vger.kernel.org>; Wed, 07 Dec 2011 02:31:14 -0800 (PST)
Content-Disposition: inline
In-Reply-To: <20111207102152.GP12507@redhat.com>
Sender: kvm-owner@vger.kernel.org
List-ID: <kvm.vger.kernel.org>

On Wed, Dec 07, 2011 at 12:21:52PM +0200, Gleb Natapov wrote:
> On Tue, Dec 06, 2011 at 10:42:55PM +0200, Sasha Levin wrote:
> > +static void handle_nmi(int fd, u32 type, u32 len, u8 *msg)
> > +{
> > +	u32 vcpu = *(u32 *)msg;
> > +
> > +	ioctl(kvm_cpus[vcpu]->vcpu_fd, KVM_NMI);
>
> You need to check that vcpu apic's LINT1 is configured to receive
> NMI (and not masked obviously) before injecting NMI. 
> 

I've been configuring mptable to have lint1 as nmi receiver,
so it should remain so I suppose (if only we've not masked it
somewhere else ;)

	Cyrill