linux-kernel - Re: [PATCH] KVM: x86: Convert tsc_write_lock to raw

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Message-ID: <4D4C698A.4010201@redhat.com>
Date:	Fri, 04 Feb 2011 16:03:06 -0500
From:	Zachary Amsden <zamsden@...hat.com>
To:	Jan Kiszka <jan.kiszka@...mens.com>
CC:	Avi Kivity <avi@...hat.com>, Marcelo Tosatti <mtosatti@...hat.com>,
	kvm <kvm@...r.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] KVM: x86: Convert tsc_write_lock to raw_spinlock

On 02/04/2011 04:49 AM, Jan Kiszka wrote:
> Code under this lock requires non-preemptibility. Ensure this also over
> -rt by converting it to raw spinlock.
>    

Oh dear, I had forgotten about that.  I believe kvm_lock might have the 
same assumption in a few places regarding clock.
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