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Date: Thu, 25 Jun 2009 08:27:36 -0700 From: "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com> To: Ingo Molnar <mingo@...e.hu> Cc: linux-kernel@...r.kernel.org, netdev@...r.kernel.org, netfilter-devel@...r.kernel.org, akpm@...ux-foundation.org, torvalds@...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 11:59:53AM +0200, Ingo Molnar wrote: > > * Paul E. McKenney <paulmck@...ux.vnet.ibm.com> wrote: > > > On Wed, Jun 24, 2009 at 08:03:03PM +0200, Ingo Molnar wrote: > > > > > > * Paul E. McKenney <paulmck@...ux.vnet.ibm.com> wrote: > > > > > > > include/linux/rcuclassic.h | 15 ++- > > > > > > heh, we dont have this file anymore ... as of today, right? :) > > > > Ah, I was assuming that expedited RCU would happen before removal > > of Classic RCU. > > Our general preference is to zap code. Actually worked out nicely in this case -- the fact that Classic RCU is no longer in -tip meant that I could dump 25% of my test cases for expedited RCU. ;-) I will be posting the updated patch shortly. > /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: > > Okay, so the zapping of code is the divine guiding principle we've > been following for 15 years. Ending up with a kernel that is 11 > million lines of code is a small imperfection of mankind and is to > be fixed. ;-) ;-) ;-) I guess that if 11 million lines of code is a small imperfection of mankind, we can only be thankful that we are not tasked with dealing with the large imperfections. ;-) Thanx, Paul -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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