lkml.org 
[lkml]   [2009]   [Jul]   [2]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [KVM PATCH v8 1/3] KVM: Fix races in irqfd using new eventfd_kref_get interface
On 07/01/2009 07:09 PM, Gregory Haskins wrote:
> eventfd currently emits a POLLHUP wakeup on f_ops->release() to generate a
> "release" callback. This lets eventfd clients know if the eventfd is about
> to go away and is very useful particularly for in-kernel clients. However,
> until recently it is not possible to use this feature of eventfd in a
> race-free way.
>
> This patch utilizes a new eventfd interface to rectify the problem. It also
> converts the eventfd POLLHUP generation code to use the locked variant
> of wakeup.
>
> Signed-off-by: Gregory Haskins<ghaskins@novell.com>
> CC: Davide Libenzi<davidel@xmailserver.org>
> ---
>
> fs/eventfd.c | 7 --
> include/linux/kvm_host.h | 5 +
> virt/kvm/eventfd.c | 187 ++++++++++++++++++++++++++++++++--------------
> 3 files changed, 134 insertions(+), 65 deletions(-)
>


Please split the eventfd.c hunk into a separate patch. When preparing
the 2.6.32 submission, I'll fold that into the patch into its antipatch
and they'll disappear.

--
error compiling committee.c: too many arguments to function



\
 
 \ /
  Last update: 2009-07-02 16:17    [W:0.052 / U:0.568 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site