From: Avi Kivity <avi@redhat.com>
To: Gleb Natapov <gleb@redhat.com>
Cc: "Michael S. Tsirkin" <mst@redhat.com>,
Marcelo Tosatti <mtosatti@redhat.com>,
kvm@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH RFC] kvm: enable irq injection from interrupt context
Date: Thu, 16 Sep 2010 11:46:03 +0200 [thread overview]
Message-ID: <4C91E75B.6010704@redhat.com> (raw)
In-Reply-To: <20100916092553.GV3008@redhat.com>
On 09/16/2010 11:25 AM, Gleb Natapov wrote:
> >
> > MSI only appeared in rhel6, older guests still use level interrupts.
> So they are already slow for other reasons.
>
Exactly, for example they need to exit to userspace to ack the
interrupt. That's far slower than the workqueue.
--
error compiling committee.c: too many arguments to function
next prev parent reply other threads:[~2010-09-16 9:46 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-09-15 18:54 [PATCH RFC] kvm: enable irq injection from interrupt context Michael S. Tsirkin
2010-09-16 9:02 ` Gleb Natapov
2010-09-16 9:10 ` Michael S. Tsirkin
2010-09-16 9:25 ` Gleb Natapov
2010-09-16 9:43 ` Michael S. Tsirkin
2010-09-16 9:46 ` Avi Kivity [this message]
2010-09-16 9:53 ` Michael S. Tsirkin
2010-09-16 10:13 ` Gleb Natapov
2010-09-16 10:13 ` Michael S. Tsirkin
2010-09-16 10:20 ` Gleb Natapov
2010-09-16 10:44 ` Michael S. Tsirkin
2010-09-16 10:54 ` Gleb Natapov
2010-09-16 10:53 ` Michael S. Tsirkin
2010-09-16 11:17 ` Gleb Natapov
2010-09-16 12:13 ` Michael S. Tsirkin
2010-09-16 12:33 ` Gleb Natapov
2010-09-16 12:57 ` Michael S. Tsirkin
2010-09-16 13:14 ` Avi Kivity
2010-09-16 13:38 ` Michael S. Tsirkin
2010-09-16 13:50 ` Avi Kivity
2010-09-16 13:55 ` Gleb Natapov
2010-09-16 13:18 ` Gleb Natapov
2010-09-16 13:51 ` Michael S. Tsirkin
2010-09-16 14:06 ` Gleb Natapov
2010-09-16 14:23 ` Michael S. Tsirkin
2010-09-16 14:51 ` Gleb Natapov
2010-09-16 15:24 ` Michael S. Tsirkin
2010-09-16 15:43 ` Gleb Natapov
2010-09-16 22:07 ` Michael S. Tsirkin
2010-09-17 7:59 ` Gleb Natapov
2010-09-19 10:45 ` Michael S. Tsirkin
2010-09-19 10:56 ` Avi Kivity
2010-09-19 10:55 ` Michael S. Tsirkin
2010-09-19 11:05 ` Avi Kivity
2010-09-19 11:23 ` Michael S. Tsirkin
2010-09-19 11:18 ` Gleb Natapov
2010-09-19 11:21 ` Michael S. Tsirkin
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=4C91E75B.6010704@redhat.com \
--to=avi@redhat.com \
--cc=gleb@redhat.com \
--cc=kvm@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=mst@redhat.com \
--cc=mtosatti@redhat.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.