From: Marcelo Tosatti <mtosatti@redhat.com>
To: Jan Kiszka <jan.kiszka@siemens.com>
Cc: Avi Kivity <avi@redhat.com>, kvm <kvm@vger.kernel.org>
Subject: Re: [PATCH] KVM: Convert intx_mask_lock to spin lock
Date: Thu, 15 Mar 2012 20:59:28 -0300 [thread overview]
Message-ID: <20120315235928.GA12802@amt.cnet> (raw)
In-Reply-To: <4F606CA3.20603@siemens.com>
On Wed, Mar 14, 2012 at 11:02:11AM +0100, Jan Kiszka wrote:
> As kvm_notify_acked_irq calls kvm_assigned_dev_ack_irq under
> rcu_read_lock, we cannot use a mutex in the latter function. Switch to a
> spin lock to address this.
>
> Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
> ---
> include/linux/kvm_host.h | 2 +-
> virt/kvm/assigned-dev.c | 14 +++++++-------
> 2 files changed, 8 insertions(+), 8 deletions(-)
Applied, thanks.
prev parent reply other threads:[~2012-03-16 0:07 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-03-14 10:02 [PATCH] KVM: Convert intx_mask_lock to spin lock Jan Kiszka
2012-03-15 23:59 ` Marcelo Tosatti [this message]
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