From owner-cvs-all Mon Jul 15 16:31: 2 2002 Delivered-To: cvs-all@freebsd.org Received: from mx1.FreeBSD.org (mx1.FreeBSD.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 484DA37B400; Mon, 15 Jul 2002 16:30:59 -0700 (PDT) Received: from canning.wemm.org (canning.wemm.org [192.203.228.65]) by mx1.FreeBSD.org (Postfix) with ESMTP id 0410B43E31; Mon, 15 Jul 2002 16:30:55 -0700 (PDT) (envelope-from peter@wemm.org) Received: from fw.wemm.org (canning.wemm.org [192.203.228.65]) by canning.wemm.org (Postfix) with ESMTP id AAF182A7D6; Mon, 15 Jul 2002 16:30:51 -0700 (PDT) (envelope-from peter@wemm.org) Received: from overcee.wemm.org (overcee.wemm.org [10.0.0.3]) by fw.wemm.org (Postfix) with ESMTP id 571014C26C; Mon, 15 Jul 2002 16:30:51 -0700 (PDT) (envelope-from peter@wemm.org) Received: from wemm.org (localhost [127.0.0.1]) by overcee.wemm.org (Postfix) with ESMTP id 0FC833811; Mon, 15 Jul 2002 16:30:51 -0700 (PDT) (envelope-from peter@wemm.org) X-Mailer: exmh version 2.5 07/13/2001 with nmh-1.0.4 To: cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/i386/i386 db_interface.c In-Reply-To: <200207152311.g6FNBnig043194@freefall.freebsd.org> Date: Mon, 15 Jul 2002 16:30:51 -0700 From: Peter Wemm Message-Id: <20020715233051.0FC833811@overcee.wemm.org> Sender: owner-cvs-all@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG Peter Wemm wrote: > peter 2002/07/15 16:11:49 PDT > > Modified files: > sys/i386/i386 db_interface.c > Log: > The pmap_invalidate_all() here is definately not a good idea. We are > running with interrupts disabled, other cpus locked down, and only > making a temporary local mapping that we immediately back out again. This should not have worked before.. It did do a shootdown IPI, but didn't wait for completion. I'm suprised we didn't get reports of the APIC not being ready on SMP systems. Cheers, -Peter -- Peter Wemm - peter@wemm.org; peter@FreeBSD.org; peter@yahoo-inc.com "All of this is for nothing if we don't go to the stars" - JMS/B5 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe cvs-all" in the body of the message