From: Avi Kivity <avi@redhat.com>
To: Gleb Natapov <gleb@redhat.com>
Cc: kvm@vger.kernel.org
Subject: Re: [PATCH 10/10] Introduce MSI message sending interface that bypass IRQ routing.
Date: Sun, 09 Aug 2009 18:14:32 +0300 [thread overview]
Message-ID: <4A7EE7D8.60205@redhat.com> (raw)
In-Reply-To: <20090809150707.GT4764@redhat.com>
On 08/09/2009 06:07 PM, Gleb Natapov wrote:
>> It's still an "install handle, call handle" interface. Maybe it would
>> have been better to start off with your new interface, but having both
>> is too much for too little gain.
>>
>>
> Is it not too late to change interface? There was no released kernel with
> irqfd yet. And this just adds another level of indirection and one more
> point of false cache sharing.
>
No irqfd, but we do have irq routing. The sharing isn't a problem since
it's read only.
--
error compiling committee.c: too many arguments to function
next prev parent reply other threads:[~2009-08-09 15:08 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-08-09 12:41 [PATCH 00/10] make interrupt injection lockless (almost) Gleb Natapov
2009-08-09 12:41 ` [PATCH 01/10] Change irq routing table to use gsi indexed array Gleb Natapov
2009-08-09 14:25 ` Avi Kivity
2009-08-09 12:41 ` [PATCH 02/10] Move irq routing data structure to rcu locking Gleb Natapov
2009-08-09 12:41 ` [PATCH 03/10] Move irq ack notifier list to arch independent code Gleb Natapov
2009-08-09 12:41 ` [PATCH 04/10] Convert irq notifiers lists to RCU locking Gleb Natapov
2009-08-09 12:41 ` [PATCH 05/10] Protect irq_sources_bitmap by kvm->lock instead of kvm->irq_lock Gleb Natapov
2009-08-09 12:41 ` [PATCH 06/10] Move irq routing to its own locking Gleb Natapov
2009-08-09 14:52 ` Avi Kivity
2009-08-09 12:41 ` [PATCH 07/10] Move irq notifiers lists " Gleb Natapov
2009-08-09 14:52 ` Avi Kivity
2009-08-09 14:49 ` Gleb Natapov
2009-08-09 14:57 ` Avi Kivity
2009-08-09 12:41 ` [PATCH 08/10] Move IO APIC to its own lock Gleb Natapov
2009-08-09 14:54 ` Avi Kivity
2009-08-09 14:57 ` Gleb Natapov
2009-08-09 15:10 ` Avi Kivity
2009-08-09 15:09 ` Gleb Natapov
2009-08-09 12:41 ` [PATCH 09/10] Drop kvm->irq_lock lock Gleb Natapov
2009-08-09 12:41 ` [PATCH 10/10] Introduce MSI message sending interface that bypass IRQ routing Gleb Natapov
2009-08-09 14:56 ` Avi Kivity
2009-08-09 14:52 ` Gleb Natapov
2009-08-09 15:01 ` Avi Kivity
2009-08-09 15:07 ` Gleb Natapov
2009-08-09 15:14 ` Avi Kivity [this message]
2009-08-09 15:14 ` Gleb Natapov
2009-08-09 15:22 ` Avi Kivity
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