Re: [PATCH] ipw2200: batch non-user-requested scan result notifications

Dan Williams <[email protected]> Mon, 22 Oct 2007 11:47:18 -0400
Newsgroups gmane.linux.kernel.wireless.general,gmane.linux.drivers.ipw2100.devel
Message-ID <[email protected]>
On Mon, 2007-10-22 at 16:45 +0800, Zhu Yi wrote:
> On Tue, 2007-10-09 at 13:55 -0400, Dan Williams wrote:
> > ipw2200 makes extensive use of background scanning when unassociated
> > or
> > down.  Unfortunately, the firmware sends scan completed events many
> > times per second, which the driver pushes directly up to userspace.
> > This needlessly wakes up processes listening for wireless events many
> > times per second.  Batch together scan completed events for
> > non-user-requested scans and send them up to userspace every 4
> > seconds.
> > Scan completed events resulting from an SIOCSIWSCAN call are pushed up
> > without delay.
> > 
> > Signed-off-by: Dan Williams <[email protected]>
> 
> I'm OK with this one except the round_jiffies part.

I think that it got fixed upstream when the round_jiffies_relative()
patch went it, is that what you mean?  If not, I'm not sure what you
mean by "except the round_jiffies part".

Dan

> Thanks,
> -yi
> -
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