linux-kernel - Re: [PATCH -tip 0/3] expedited "big hammer" RCU grace periods

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Message-ID: <20090625175402.GB8852@linux.vnet.ibm.com>
Date:	Thu, 25 Jun 2009 10:54:02 -0700
From:	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	Ingo Molnar <mingo@...e.hu>, linux-kernel@...r.kernel.org,
	netdev@...r.kernel.org, netfilter-devel@...r.kernel.org,
	akpm@...ux-foundation.org, davem@...emloft.net,
	dada1@...mosbay.com, zbr@...emap.net, jeff.chua.linux@...il.com,
	paulus@...ba.org, laijs@...fujitsu.com, jengelh@...ozas.de,
	r000n@...0n.net, benh@...nel.crashing.org,
	mathieu.desnoyers@...ymtl.ca
Subject: Re: [PATCH -tip 0/3] expedited "big hammer" RCU grace periods

On Thu, Jun 25, 2009 at 09:47:02AM -0700, Linus Torvalds wrote:
> 
> 
> On Thu, 25 Jun 2009, Ingo Molnar wrote:
> > 
> > Our general preference is to zap code.
> > 
> > /me stares at:
> > 
> >   $ git diff --stat -M v2.6.30..v2.6.31-rc1 | tail -1
> >   7743 files changed, 782278 insertions(+), 403162 deletions(-)
> > 
> > /me corrects himself:
> 
> Yes. Our general preference is to zap code, if only because it's so damn 
> unusual.
> 
> When one out of a hundred patches actually has more removals than 
> additions, we make a big deal out of it ("Look - I actually simplified 
> things"). For the 99 other patches we never size in polite company.
> 
> Oh well. But every time we add lines, we do it with the _best_ intentions.

Indeed, I must confess that my recent patch removing about 1,000 lines
of code is not all that typical of my submissions...

							Thanx, Paul
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