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
next prev parent 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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