From: Al Viro <viro@ZenIV.linux.org.uk>
To: Davide Libenzi <davidel@xmailserver.org>
Cc: Gregory Haskins <ghaskins@novell.com>,
kvm@vger.kernel.org,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
avi@redhat.com
Subject: Re: [KVM PATCH v3 2/2] kvm: add support for irqfd via eventfd-notification interface
Date: Sun, 3 May 2009 21:31:11 +0100 [thread overview]
Message-ID: <20090503203111.GB8633@ZenIV.linux.org.uk> (raw)
In-Reply-To: <alpine.DEB.1.10.0905031252540.7899@makko.or.mcafeemobile.com>
On Sun, May 03, 2009 at 01:11:39PM -0700, Davide Libenzi wrote:
> On Sun, 3 May 2009, Al Viro wrote:
>
> > IOW, the sane solution would be to export something that returns your
> > struct file *. And stop playing with fd completely.
>
> This builds but it's not tested at all.
>
> - Make all the work of the old anon_inode_getfd(), done by a new
> anon_inode_getfile(), with anon_inode_getfd() using its services
>
> - Make all the work done by sys_eventfd(), done by a new
> eventfd_file_create() (which in turn uses anon_inode_getfile()), with
> sys_eventfd() using its services
>
> IRQfd can use eventfd_file_create(), fget(), get_unused_fd_flags() and
> fd_install() just before returning.
> Is that what you had in mind?
More or less, but I'd like to see the irqfd side of that...
next prev parent reply other threads:[~2009-05-03 20:31 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-04-27 18:33 [KVM PATCH v3 0/2] irqfd Gregory Haskins
2009-04-27 18:33 ` [KVM PATCH v3 1/2] eventfd: export fget and signal interfaces for module use Gregory Haskins
2009-04-27 18:33 ` [KVM PATCH v3 2/2] kvm: add support for irqfd via eventfd-notification interface Gregory Haskins
2009-04-30 13:07 ` Michael S. Tsirkin
2009-05-03 16:59 ` Avi Kivity
2009-05-03 19:04 ` Michael S. Tsirkin
2009-05-03 19:17 ` Avi Kivity
2009-05-03 19:25 ` Michael S. Tsirkin
2009-05-03 6:44 ` Al Viro
2009-05-03 18:07 ` Davide Libenzi
2009-05-03 19:01 ` Al Viro
2009-05-03 19:22 ` file descriptor abuses Al Viro
2009-05-03 20:11 ` [KVM PATCH v3 2/2] kvm: add support for irqfd via eventfd-notification interface Davide Libenzi
2009-05-03 20:31 ` Al Viro [this message]
2009-04-29 6:10 ` [KVM PATCH v3 0/2] irqfd Andrew Morton
2009-04-29 8:18 ` Avi Kivity
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