From owner-freebsd-current@FreeBSD.ORG Sun Jul 17 14:06:28 2011 Return-Path: Delivered-To: current@FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id B8570106564A; Sun, 17 Jul 2011 14:06:28 +0000 (UTC) (envelope-from imb@protected-networks.net) Received: from sarah.protected-networks.net (sarah.protected-networks.net [IPv6:2001:470:1f07:4e1::1]) by mx1.freebsd.org (Postfix) with ESMTP id 82EEB8FC1B; Sun, 17 Jul 2011 14:06:28 +0000 (UTC) Received: from toshi.auburn.protected-networks.net (toshi.auburn.protected-networks.net [202.12.127.84]) (using TLSv1 with cipher DHE-RSA-CAMELLIA256-SHA (256/256 bits)) (Client CN "Iain Butler", Issuer "RSA Class 2 Personal CA" (verified OK)) (Authenticated sender: imb@protected-networks.net) by sarah.protected-networks.net (Postfix) with ESMTPSA id ABC7C60DB; Sun, 17 Jul 2011 10:06:26 -0400 (EDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=protected-networks.net; s=200705; t=1310911586; bh=Wq2CseK2Ur45dkyUZQWkKcZ2+pZPOseKeIYmPUFY8Uk=; h=Message-ID:Date:From:MIME-Version:To:CC:Subject:References: In-Reply-To:Content-Type:Content-Transfer-Encoding; b=DLtkgvhMsp1cyn4jeJV/vQfUxjFTCuJAnYg+qH7xYuwkmsXC4ReCy5VRy96V+D5qh YMj6Z7GIdlWtZmwxhPjb7RQxcurGsYqrej3SirN7eL/i4UJ+ZYnrHDdbsrciP63 DomainKey-Signature: a=rsa-sha1; s=200509; d=protected-networks.net; c=nofws; q=dns; h=message-id:date:from:user-agent:mime-version:to:cc:subject: references:in-reply-to:x-enigmail-version:openpgp:content-type:content-transfer-encoding; b=pPle4RT3AvnMfaWPjGTcV9TQF4Qq7t+P/oZkGJErbipcxbVwFPIAaN0PMcr6xa5Eu V+DBE/b/opfbO4FXnEtIfqvWaDyHuFBouIBgCt/1p/YYkgYAM5DV1tDb/fOGgaT Message-ID: <4E22EC60.2050708@protected-networks.net> Date: Sun, 17 Jul 2011 10:06:24 -0400 From: Michael Butler User-Agent: Mozilla/5.0 (X11; FreeBSD i386; rv:5.0) Gecko/20110713 Thunderbird/5.0 MIME-Version: 1.0 To: John Baldwin References: <4CE54A1B-B0EF-4907-88BE-124FC4FF236D@FreeBSD.org> In-Reply-To: <4CE54A1B-B0EF-4907-88BE-124FC4FF236D@FreeBSD.org> X-Enigmail-Version: 1.2pre OpenPGP: id=0442D492 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: current@FreeBSD.org Subject: Re: [PATCH] Make x86 Host-PCI bridge drivers honor decoded ranges X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 17 Jul 2011 14:06:28 -0000 -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On 07/09/11 20:04, John Baldwin wrote: > This patch adds a new API (pcib_host_res_*) that Host-PCI bridge drivers can > use to restrict allocations for child devices to a known subset of address > ranges that the bridge decodes. One observation from what is now in 'HEAD' .. isa_probe_children: disabling PnP devices ichwd0: on isa0 isab0: found ICH7 or equivalent chipset: Intel ICH7M watchdog timer pcib0: allocated type 4 (0x1030-0x1037) for rid 0 of ichwd0 pcib0: allocated type 4 (0x1060-0x107f) for rid 1 of ichwd0 ichwd0: unable to reserve GCS registers device_attach: ichwd0 attach returned 6 pmtimer0 on isa0 atkbdc: atkbdc0 already exists; skipping it atrtc: atrtc0 already exists; skipping it attimer: attimer0 already exists; skipping it sc: sc0 already exists; skipping it isa_probe_children: probing non-PnP devices ichwd0: at port 0x1030-0x1037,0x1060-0x107f on isa0 isab0: found ICH7 or equivalent chipset: Intel ICH7M watchdog timer pcib0: allocated type 4 (0x1030-0x1037) for rid 0 of ichwd0 pcib0: allocated type 4 (0x1060-0x107f) for rid 1 of ichwd0 ichwd0: unable to reserve GCS registers device_attach: ichwd0 attach returned 6 .. where previous kernels would proceed as follows: isa_probe_children: disabling PnP devices ichwd0: on isa0 isab0: found ICH7 or equivalent chipset: Intel ICH7M watchdog timer ichwd0: Intel ICH7M watchdog timer (ICH7 or equivalent) ichwd0: timer disabled pmtimer0 on isa0 atkbdc: atkbdc0 already exists; skipping it atrtc: atrtc0 already exists; skipping it attimer: attimer0 already exists; skipping it sc: sc0 already exists; skipping it isa_probe_children: probing non-PnP devices imb -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (FreeBSD) iEYEARECAAYFAk4i7F8ACgkQQv9rrgRC1JI4fwCfWPZRvt00u+SCrH9sOupc7eWa f5EAoLZFHjTWBX7ALCSj67G4agFIRItd =80Y7 -----END PGP SIGNATURE-----