lkml.org 
[lkml]   [2007]   [Sep]   [20]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 2.6.23-rc6 Resending] NETWORKING : Edge Triggered EPOLLOUT events get missed for TCP sockets
On Wed, 19 Sep 2007, Nagendra Tomar wrote:

> Definitely not !
>
> The point is that the "tcp write space available"
> wakeup does not get called if SOCK_NOSPACE bit is not set. This was
> fine when the wakeup was merely a wakeup (since SOCK_NOSPACE bit
> indicated that someone really cared abt the wakeup). Now after the
> introduction of callback'ed wakeups, we might have some work to
> do inside the callback even if there is nobody interested in the wakeup
> at that point of time.
>
> In this particular case the ep_poll_callback is not getting called and
> hence the socket fd is not getting added to the ready list.

I know, I saw the patch. I was just commenting the point where DaveM was
heading to ;)
This things needs to be looked at a little bit more deeply.


- Davide


-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2007-09-20 07:47    [W:0.072 / U:0.720 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site