From nobody Fri Mar 11 09:55:02 2022 X-Original-To: dev-commits-src-all@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 0C1EC1A0D183; Fri, 11 Mar 2022 09:55:17 +0000 (UTC) (envelope-from hps@selasky.org) Received: from mail.turbocat.net (turbocat.net [IPv6:2a01:4f8:c17:6c4b::2]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 4KFLrz5tkdz4cpv; Fri, 11 Mar 2022 09:55:15 +0000 (UTC) (envelope-from hps@selasky.org) Received: from [10.36.2.165] (unknown [178.17.145.105]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by mail.turbocat.net (Postfix) with ESMTPSA id 74170260352; Fri, 11 Mar 2022 10:55:14 +0100 (CET) Message-ID: <0ccde81e-ae28-e833-ffad-d082663cd776@selasky.org> Date: Fri, 11 Mar 2022 10:55:02 +0100 List-Id: Commit messages for all branches of the src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-all List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-dev-commits-src-all@freebsd.org X-BeenThere: dev-commits-src-all@freebsd.org MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:91.0) Gecko/20100101 Thunderbird/91.7.0 Subject: Re: git: 832acea92fc8 - main - icl_soft: Use PHYS_TO_DMAP instead of pmap_map_io_transient. Content-Language: en-US From: Hans Petter Selasky To: Andrew Turner , John Baldwin Cc: "src-committers@freebsd.org" , "dev-commits-src-all@freebsd.org" , "dev-commits-src-main@freebsd.org" References: <202203110221.22B2LmuN037273@gitrepo.freebsd.org> <87FDC36E-0A15-4E43-A1C7-A2F61D60526F@fubar.geek.nz> <2f900e17-d43e-c842-abf0-ea60159798f6@selasky.org> In-Reply-To: <2f900e17-d43e-c842-abf0-ea60159798f6@selasky.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: 4KFLrz5tkdz4cpv X-Spamd-Bar: / Authentication-Results: mx1.freebsd.org; dkim=none; dmarc=none; spf=pass (mx1.freebsd.org: domain of hps@selasky.org designates 2a01:4f8:c17:6c4b::2 as permitted sender) smtp.mailfrom=hps@selasky.org X-Spamd-Result: default: False [-0.82 / 15.00]; TO_DN_EQ_ADDR_SOME(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; MID_RHS_MATCH_FROM(0.00)[]; FROM_HAS_DN(0.00)[]; TO_DN_SOME(0.00)[]; R_SPF_ALLOW(-0.20)[+a:mail.turbocat.net]; MIME_GOOD(-0.10)[text/plain]; DMARC_NA(0.00)[selasky.org]; ARC_NA(0.00)[]; RCPT_COUNT_FIVE(0.00)[5]; TO_MATCH_ENVRCPT_SOME(0.00)[]; NEURAL_HAM_SHORT(-0.56)[-0.556]; NEURAL_SPAM_LONG(0.99)[0.994]; NEURAL_HAM_MEDIUM(-0.96)[-0.963]; MLMMJ_DEST(0.00)[dev-commits-src-all,dev-commits-src-main]; FROM_EQ_ENVFROM(0.00)[]; R_DKIM_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; ASN(0.00)[asn:24940, ipnet:2a01:4f8::/32, country:DE]; RCVD_COUNT_TWO(0.00)[2]; RCVD_TLS_ALL(0.00)[] X-ThisMailContainsUnwantedMimeParts: N On 3/11/22 10:50, Hans Petter Selasky wrote: > On 3/11/22 10:32, Andrew Turner wrote: >> You can use PMAP_HAS_DMAP to check if the DMAP region is supported, >> however you’ll need a fallback to create a temporary mapping. > > You may want to look at how the LinuxKPI handles this. > More specifically kmap() and kunmap() . --HPS