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Subject: Re: [Qemu-devel] [RFC] Next gen kvm api
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To: Takuya Yoshikawa <takuya.yoshikawa@gmail.com>
Cc: qemu-devel <qemu-devel@nongnu.org>, linux-kernel <linux-kernel@vger.kernel.org>, Avi Kivity <avi@redhat.com>, KVM list <kvm@vger.kernel.org>

On Sat, 2012-02-04 at 11:08 +0900, Takuya Yoshikawa wrote:
> The latter needs a fundamental change:  I heard (from Avi) that we can
> change mmu_lock to mutex_lock if mmu_notifier becomes preemptible.
>=20
> So I was planning to restart this work when Peter's
>         "mm: Preemptibility"
>         http://lkml.org/lkml/2011/4/1/141
> gets finished.=20


That got merged a while ago:

# git describe --contains d16dfc550f5326a4000f3322582a7c05dec91d7a --match =
"v*"
v3.0-rc1~275

While I still need to get back to unifying mmu_gather across
architectures the whole thing is currently preemptible.