Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932436AbXBWOuk (ORCPT ); Fri, 23 Feb 2007 09:50:40 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932447AbXBWOuk (ORCPT ); Fri, 23 Feb 2007 09:50:40 -0500 Received: from cantor.suse.de ([195.135.220.2]:49456 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932436AbXBWOui (ORCPT ); Fri, 23 Feb 2007 09:50:38 -0500 To: David Miller Cc: tglx@linutronix.de, jengelh@linux01.gwdg.de, kronos.it@gmail.com, linux-kernel@vger.kernel.org Subject: Re: NO_HZ: timer interrupt stuck References: <1172099859.25076.132.camel@localhost.localdomain> <1172159501.25076.182.camel@localhost.localdomain> <20070222.092652.55507017.davem@davemloft.net> From: Andi Kleen Date: 23 Feb 2007 16:50:24 +0100 In-Reply-To: <20070222.092652.55507017.davem@davemloft.net> Message-ID: User-Agent: Gnus/5.09 (Gnus v5.9.0) Emacs/21.3 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 643 Lines: 11 David Miller writes: > > BTW, sparc64 always did the trick where the do_timer() work was done > by one of the per-cpu local timer interrupts, I'm glad the idea gained > traction generically. :-))) It was already implemented before for x86-64, but disabled by default because it ran into some platform issues. The new code hopefully knows now how to work around them. -Andi - 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/