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From: Cyrill Gorcunov <gorcunov@gmail.com>
To: Gleb Natapov <gleb@redhat.com>
Cc: Sasha Levin <levinsasha928@gmail.com>,
	penberg@kernel.org, mingo@elte.hu, asias.hejun@gmail.com,
	kvm@vger.kernel.org
Subject: Re: [PATCH] kvm tools: Add 'kvm nmi' command
Date: Wed, 7 Dec 2011 14:31:11 +0400	[thread overview]
Message-ID: <20111207103111.GC21678@moon> (raw)
In-Reply-To: <20111207102152.GP12507@redhat.com>

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

  reply	other threads:[~2011-12-07 10:31 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-12-06 20:42 [PATCH] kvm tools: Add 'kvm nmi' command Sasha Levin
2011-12-07  8:16 ` Ingo Molnar
2011-12-07 17:13   ` Pekka Enberg
2011-12-07 17:31     ` Sasha Levin
2011-12-07 10:21 ` Gleb Natapov
2011-12-07 10:31   ` Cyrill Gorcunov [this message]
2011-12-07 10:33     ` Gleb Natapov
2011-12-07 10:37       ` Cyrill Gorcunov
2011-12-07 10:41         ` Gleb Natapov
2011-12-07 10:49           ` Cyrill Gorcunov

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