From owner-freebsd-alpha@FreeBSD.ORG Fri Mar 12 13:28:39 2004 Return-Path: Delivered-To: freebsd-alpha@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id B8C7216A4CE; Fri, 12 Mar 2004 13:28:39 -0800 (PST) Received: from smtp-out1.xs4all.nl (smtp-out1.xs4all.nl [194.109.24.11]) by mx1.FreeBSD.org (Postfix) with ESMTP id 033D143D2D; Fri, 12 Mar 2004 13:28:39 -0800 (PST) (envelope-from wkb@freebie.xs4all.nl) Received: from freebie.xs4all.nl (freebie.xs4all.nl [213.84.32.253]) by smtp-out1.xs4all.nl (8.12.10/8.12.10) with ESMTP id i2CLSbw2005231; Fri, 12 Mar 2004 22:28:37 +0100 (CET) Received: from freebie.xs4all.nl (localhost [127.0.0.1]) by freebie.xs4all.nl (8.12.10/8.12.9) with ESMTP id i2CLSbTj005099; Fri, 12 Mar 2004 22:28:37 +0100 (CET) (envelope-from wkb@freebie.xs4all.nl) Received: (from wkb@localhost) by freebie.xs4all.nl (8.12.10/8.12.9/Submit) id i2CLSaG8005098; Fri, 12 Mar 2004 22:28:36 +0100 (CET) (envelope-from wkb) Date: Fri, 12 Mar 2004 22:28:36 +0100 From: Wilko Bulte To: John Baldwin Message-ID: <20040312212836.GA5083@freebie.xs4all.nl> References: <200403121543.03123.jhb@FreeBSD.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200403121543.03123.jhb@FreeBSD.org> User-Agent: Mutt/1.4.1i X-OS: FreeBSD 4.9-STABLE X-PGP: finger wilko@freebsd.org cc: alpha@freebsd.org Subject: Re: Testers Needed!! X-BeenThere: freebsd-alpha@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Porting FreeBSD to the Alpha List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 12 Mar 2004 21:28:39 -0000 On Fri, Mar 12, 2004 at 03:43:03PM -0500, John Baldwin wrote: > Ok, two patches that I need someone to test. First off, I have some fixes to > allow ptrace() to be marked MP safe again w/o generating a lock order > reversal. This patch is at > http://www.FreeBSD.org/~jhb/patches/alpha.ptrace.patch > > Note that you will have to do a 'make init_sysent.c' in sys/kern after > patching to get the updated ptrace flag before building a new kernel. Anything special to be done for testing this one? > > interrupted by an interrupt returning back to PAL on a different CPU and that > this violated some assumption made by PAL. To work around this, I use the > new sched_pin() API to pin the interrupted thread around ithread preemption > in this patch. So, this patch needs to be tested on both UP and SMP under Don't have SMP, can do UP. > load (-j 256 world build loops, etc.). I'm also curious if it does help > performance at all, or at least the interactive "feel". Patch is at > http://www.FreeBSD.org/~jhb/patches/alpha_preempt.patch Will let you know.. -- Wilko Bulte wilko@FreeBSD.org