From: Zachary Amsden <zamsden@redhat.com>
To: Jan Kiszka <jan.kiszka@siemens.com>
Cc: Avi Kivity <avi@redhat.com>,
Marcelo Tosatti <mtosatti@redhat.com>, kvm <kvm@vger.kernel.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] KVM: x86: Convert tsc_write_lock to raw_spinlock
Date: Fri, 04 Feb 2011 16:03:06 -0500 [thread overview]
Message-ID: <4D4C698A.4010201@redhat.com> (raw)
In-Reply-To: <4D4BCB97.6000900@siemens.com>
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.
next prev parent reply other threads:[~2011-02-04 21:03 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-02-04 9:49 [PATCH] KVM: x86: Convert tsc_write_lock to raw_spinlock Jan Kiszka
2011-02-04 21:03 ` Zachary Amsden [this message]
2011-02-07 11:35 ` Jan Kiszka
2011-02-07 14:11 ` Zachary Amsden
2011-02-07 15:00 ` Jan Kiszka
2011-02-07 15:15 ` Zachary Amsden
2011-02-07 15:38 ` Jan Kiszka
2011-02-07 15:52 ` Avi Kivity
2011-02-07 15:58 ` Jan Kiszka
2011-02-07 16:26 ` Avi Kivity
2011-02-07 16:59 ` Jan Kiszka
2011-02-07 17:10 ` Avi Kivity
2011-02-07 17:23 ` Jan Kiszka
2011-02-08 9:15 ` Avi Kivity
2011-02-08 9:55 ` Jan Kiszka
2011-02-08 9:58 ` Avi Kivity
2011-02-10 10:40 ` Avi Kivity
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