From owner-freebsd-current@FreeBSD.ORG  Tue Sep 21 16:29:28 2004
Return-Path: <owner-freebsd-current@FreeBSD.ORG>
Delivered-To: freebsd-current@freebsd.org
Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125])
	by hub.freebsd.org (Postfix) with ESMTP id EB3D816A4CE
	for <freebsd-current@FreeBSD.org>;
	Tue, 21 Sep 2004 16:29:28 +0000 (GMT)
Received: from hanoi.cronyx.ru (hanoi.cronyx.ru [144.206.181.53])
	by mx1.FreeBSD.org (Postfix) with ESMTP id 2D8EE43D53
	for <freebsd-current@FreeBSD.org>;
	Tue, 21 Sep 2004 16:29:28 +0000 (GMT)	(envelope-from rik@cronyx.ru)
Received: (from root@localhost) by hanoi.cronyx.ru
  id i8LGQ9fQ055179 for freebsd-current@FreeBSD.org.checked; (8.12.8/vak/2.1)
  Tue, 21 Sep 2004 20:26:09 +0400 (MSD) (envelope-from rik@cronyx.ru)
Received: from cronyx.ru (hi.cronyx.ru [144.206.181.94]) by hanoi.cronyx.ru
	with ESMTP  id i8LGOoKt055087; (8.12.8/vak/2.1)
	Tue, 21 Sep 2004 20:24:50 +0400 (MSD) (envelope-from rik@cronyx.ru)
Message-ID: <41505663.40407@cronyx.ru>
Date: Tue, 21 Sep 2004 20:27:15 +0400
From: Roman Kurakin <rik@cronyx.ru>
User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US;
	rv:1.6b) Gecko/20031208
X-Accept-Language: en-us, en
MIME-Version: 1.0
To: FreeBSD Current <freebsd-current@FreeBSD.org>
References: <41421D6A.8070805@cronyx.ru> <414E7581.2070505@root.org>
	<414F256B.1030304@cronyx.ru> <200409201652.24457.jhb@FreeBSD.org>
In-Reply-To: <200409201652.24457.jhb@FreeBSD.org>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Content-Transfer-Encoding: 7bit
cc: Roman Kurakin <rik@FreeBSD.org>
cc: Ian Freislich <ian@freislich.nom.za>
cc: John Baldwin <jhb@FreeBSD.org>
cc: Nate Lawson <nate@root.org>
Subject: Re: mp_machdep.c (was Re: [Fwd: Re: Bug reports requested - acpi])
X-BeenThere: freebsd-current@freebsd.org
X-Mailman-Version: 2.1.1
Precedence: list
List-Id: Discussions about the use of FreeBSD-current
	<freebsd-current.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-current>,
	<mailto:freebsd-current-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-current>
List-Post: <mailto:freebsd-current@freebsd.org>
List-Help: <mailto:freebsd-current-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-current>,
	<mailto:freebsd-current-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Tue, 21 Sep 2004 16:29:29 -0000

My solution works for current so I am going to commit it and MFC after
a while. To be sure that I am not on the wrong way I need some
reviewed/approved signs ;-) I also hope to get one (or more) tested signs.

Patch I plan to commit following patch:

Index: mp_machdep.c
===================================================================
RCS file: /home/ncvs/src/sys/i386/i386/mp_machdep.c,v
retrieving revision 1.238
diff -u -r1.238 mp_machdep.c
--- mp_machdep.c        1 Sep 2004 06:42:01 -0000       1.238
+++ mp_machdep.c        21 Sep 2004 15:54:41 -0000
@@ -743,10 +743,11 @@
        u_int8_t *dst8;
        u_int16_t *dst16;
        u_int32_t *dst32;
+       vm_offset_t va = (vm_offset_t) dst;

        POSTCODE(INSTALL_AP_TRAMP_POST);

-       pmap_kenter(boot_address + KERNBASE, boot_address);
+       pmap_map(&va, boot_address, boot_address + size, 0);
        for (x = 0; x < size; ++x)
                *dst++ = *src++;

Any signs for(or against)?

Thanks!

PS. John: I am against of pmap_kenter/pmap_invalidate_XXX since we could 
get
the same problem if we would use atomic functions instead of composite 
functions,
which, I hope, will track all changes in the future.

rik