linux-kernel - Re: [PATCH] Use spin_lock_irqsave/restore for virtio-pci

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Message-Id: <200803041121.30288.rusty@rustcorp.com.au>
Date:	Tue, 4 Mar 2008 11:21:30 +1100
From:	Rusty Russell <rusty@...tcorp.com.au>
To:	Anthony Liguori <aliguori@...ibm.com>
Cc:	linux-kernel@...r.kernel.org, kvm-devel@...ts.sourceforge.net
Subject: Re: [PATCH] Use spin_lock_irqsave/restore for virtio-pci

On Monday 03 March 2008 09:37:48 Anthony Liguori wrote:
> virtio-pci acquires its spin lock in an interrupt context so it's necessary
> to use spin_lock_irqsave/restore variants.  This patch fixes guest SMP when
> using virtio devices in KVM.
>
> Signed-off-by: Anthony Liguori <aliguori@...ibm.com>

Thanks, applied.

Rusty.
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