Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Mon, 5 Aug 2002 01:38:35 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Mon, 5 Aug 2002 01:38:35 -0400 Received: from garrincha.netbank.com.br ([200.203.199.88]:36106 "HELO garrincha.netbank.com.br") by vger.kernel.org with SMTP id ; Mon, 5 Aug 2002 01:38:34 -0400 Date: Mon, 5 Aug 2002 02:42:06 -0300 From: Arnaldo Carvalho de Melo To: Linus Torvalds Cc: linux-kernel@vger.kernel.org Subject: Re: context switch vs. signal delivery [was: Re: Accelerating user mode linux] Message-ID: <20020805054206.GB7946@conectiva.com.br> Mail-Followup-To: Arnaldo Carvalho de Melo , Linus Torvalds , linux-kernel@vger.kernel.org References: <1028294887.18635.71.camel@irongate.swansea.linux.org.uk> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.4i X-Url: http://advogato.org/person/acme Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 680 Lines: 15 Em Mon, Aug 05, 2002 at 05:35:13AM +0000, Linus Torvalds escreveu: > This will break _horribly_ when (if) glibc starts using SSE2 for things > like memcpy() etc. Humm, related, wasn't one way of having userspace have access to the kernel optimized versions of memcpy et al, thru a page with these functions that would be mapped into the process address space (don't remember exact details) something still being considered? - Arnaldo - 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/