Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S268269AbUIPXAT (ORCPT ); Thu, 16 Sep 2004 19:00:19 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S268305AbUIPW7j (ORCPT ); Thu, 16 Sep 2004 18:59:39 -0400 Received: from adsl-63-197-226-105.dsl.snfc21.pacbell.net ([63.197.226.105]:13773 "EHLO cheetah.davemloft.net") by vger.kernel.org with ESMTP id S268409AbUIPW5B (ORCPT ); Thu, 16 Sep 2004 18:57:01 -0400 Date: Thu, 16 Sep 2004 15:54:12 -0700 From: "David S. Miller" To: Bill Huey (hui) Cc: bhuey@lnxw.com, davidsen@tmr.com, linux-kernel@vger.kernel.org, mingo@elte.hu Subject: Re: [patch] remove the BKL (Big Kernel Lock), this time for real Message-Id: <20040916155412.47649ba6.davem@davemloft.net> In-Reply-To: <20040916225102.GA4386@nietzsche.lynx.com> References: <20040916222903.GA4089@nietzsche.lynx.com> <20040916154011.3f0dbd54.davem@davemloft.net> <20040916225102.GA4386@nietzsche.lynx.com> X-Mailer: Sylpheed version 0.9.12 (GTK+ 1.2.10; sparc-unknown-linux-gnu) X-Face: "_;p5u5aPsO,_Vsx"^v-pEq09'CU4&Dc1$fQExov$62l60cgCc%FnIwD=.UF^a>?5'9Kn[;433QFVV9M..2eN.@4ZWPGbdi<=?[:T>y?SD(R*-3It"Vj:)"dP Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 802 Lines: 17 On Thu, 16 Sep 2004 15:51:02 -0700 Bill Huey (hui) wrote: > Judging from how the Linux code is done and the numbers I get from > Bill Irwin in casual conversation, the Linux SMP approach is clearly > the right track at this time with it's hand honed per-CPU awareness of > things. The only serious problem that spinlocks have as they aren't > preemptable, which is what Ingo is trying to fix. This is what Linus proclaimed 6 or 7 years ago when people were trying to convince us to do things like Solaris and other big Unixes at the time. - 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/