From: Avi Kivity <avi@redhat.com>
To: Gleb Natapov <gleb@redhat.com>
Cc: kvm@vger.kernel.org
Subject: Re: [PATCH 6/8 v2] Move IO APIC to its own lock.
Date: Wed, 12 Aug 2009 13:07:56 +0300 [thread overview]
Message-ID: <4A82947C.10303@redhat.com> (raw)
In-Reply-To: <20090812100503.GD4764@redhat.com>
On 08/12/2009 01:05 PM, Gleb Natapov wrote:
>
>
>> Let's leave _irqsave() until later since that has other implications.
>>
>>
> So change it to mutex then?
>
>
Yes please.
>>> Doing this will just re-enable host interrupt while irq condition is not
>>> cleared in the device. The host will hang. So I think we really shouldn't.
>>>
>>>
>> Ok. What about timer acks?
>>
>>
> Interrupt wasn't processed by a guest. Why should it be accounted as
> such?
>
Good question. I guess it shouldn't.
--
error compiling committee.c: too many arguments to function
next prev parent reply other threads:[~2009-08-12 10:08 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-08-11 12:31 [PATCH 0/8 v2] make interrupt injection lockless (almost) Gleb Natapov
2009-08-11 12:31 ` [PATCH 1/8 v2] Change irq routing table to use gsi indexed array Gleb Natapov
2009-08-12 8:05 ` Avi Kivity
2009-08-12 8:41 ` Gleb Natapov
2009-08-12 9:06 ` Avi Kivity
2009-08-11 12:31 ` [PATCH 2/8 v2] Maintain back mapping from irqchip/pin to gsi Gleb Natapov
2009-08-12 8:09 ` Avi Kivity
2009-08-12 8:42 ` Gleb Natapov
2009-08-12 9:06 ` Avi Kivity
2009-08-12 10:17 ` Gleb Natapov
2009-08-12 10:19 ` Avi Kivity
2009-08-11 12:31 ` [PATCH 3/8 v2] Move irq routing data structure to rcu locking Gleb Natapov
2009-08-11 12:31 ` [PATCH 4/8 v2] Move irq ack notifier list to arch independent code Gleb Natapov
2009-08-11 12:31 ` [PATCH 5/8 v2] Convert irq notifiers lists to RCU locking Gleb Natapov
2009-08-11 12:31 ` [PATCH 6/8 v2] Move IO APIC to its own lock Gleb Natapov
2009-08-12 8:27 ` Avi Kivity
2009-08-12 9:04 ` Gleb Natapov
2009-08-12 9:18 ` Avi Kivity
2009-08-12 9:47 ` Gleb Natapov
2009-08-12 9:57 ` Avi Kivity
2009-08-12 10:05 ` Gleb Natapov
2009-08-12 10:07 ` Avi Kivity [this message]
2009-08-11 12:31 ` [PATCH 7/8 v2] Drop kvm->irq_lock lock from irq injection path Gleb Natapov
2009-08-11 12:31 ` [PATCH 8/8 v2] Change irq_lock from mutex to spinlock Gleb Natapov
2009-08-12 8:29 ` Avi Kivity
2009-08-12 9:11 ` Gleb Natapov
2009-08-12 9:22 ` Avi Kivity
2009-08-12 9:47 ` Gleb Natapov
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