netdev - RE: [PATCH net-next 2/6] bnx2x: link cleanup

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Date:	Wed, 20 Jun 2012 15:41:52 -0700
From:	Joe Perches <joe@...ches.com>
To:	Yuval Mintz <yuvalmin@...adcom.com>
Cc:	"davem@...emloft.net" <davem@...emloft.net>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	Eilon Greenstein <eilong@...adcom.com>,
	Yaniv Rosner <yaniv.rosner@...adcom.com>
Subject: RE: [PATCH net-next 2/6] bnx2x: link cleanup

On Wed, 2012-06-20 at 17:50 +0000, Yuval Mintz wrote:
> > >  3. Change msleep(1) --> usleep_range(1000, 1000)
> > 
> > I believe replacing msleep(small) with
> > usleep_range(small * 1000, small * 1000) is
> > not generally a good idea.
> > 
> > Please give usleep_range an actual range to
> > work with and not a repeated single value.
> > 
> > Please think a little more about what a
> > good upper range for the maximum time to
> > sleep should be.
> > 
> > usleep_range(small * 1000, small * 2000)
> > or something similar maybe.
> >
> 
> Sounds good.  I'll change it and re-send the patch series.

Hi Yuval.

Here's a little script from awhile ago that
does it by doubling the small value as the
high value range bound.

http://kerneltrap.org/mailarchive/linux-netdev/2010/12/2/6290711

(replace [path] as appropriate)

$ grep -nPrl --include=*.[ch] "msleep\s*\(\s*1?\d\s*\)" [path] \
  xargs perl -p -i -e 's/msleep\s*\(\s*(1?\d)\s*\)/"usleep_range\(${1}000, " . scalar($1) * 2 . "000\)"/ge'



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