From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jan Kiszka <jan.kiszka@siemens.com>
Subject: Re: [patch] x86: kvm: Convert i8254/i8259 locks to raw_spinlocks
Date: Thu, 18 Feb 2010 10:12:06 +0100
Message-ID: <4B7D0466.2030700@siemens.com>
References: <20100217135901.331576359@linutronix.de>
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Cc: KVM <kvm@vger.kernel.org>, Avi Kivity <avi@redhat.com>
To: Thomas Gleixner <tglx@linutronix.de>
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Thomas Gleixner wrote:
> The i8254/i8259 locks need to be real spinlocks on preempt-rt. Convert
> them to raw_spinlock. No change for !RT kernels.

Last time I ran KVM over RT, I also had to convert requests_lock (struct
kvm): make_all_cpus_request assumes that this lock prevents migration.

Jan

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