From patchwork Fri Jul 7 13:58:47 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Baoquan He X-Patchwork-Id: 13304906 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id C6FE2EB64DA for ; Fri, 7 Jul 2023 14:00:03 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 678298E0003; Fri, 7 Jul 2023 10:00:03 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 628B28D0001; Fri, 7 Jul 2023 10:00:03 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 4C9DB8E0003; Fri, 7 Jul 2023 10:00:03 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0017.hostedemail.com [216.40.44.17]) by kanga.kvack.org (Postfix) with ESMTP id 3DEC18D0001 for ; Fri, 7 Jul 2023 10:00:03 -0400 (EDT) Received: from smtpin26.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay04.hostedemail.com (Postfix) with ESMTP id A4DBC1A0DC7 for ; Fri, 7 Jul 2023 14:00:02 +0000 (UTC) X-FDA: 80984974644.26.514EAAE Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by imf27.hostedemail.com (Postfix) with ESMTP id 592D640010 for ; Fri, 7 Jul 2023 13:59:59 +0000 (UTC) Authentication-Results: imf27.hostedemail.com; dkim=pass header.d=redhat.com header.s=mimecast20190719 header.b=Hfvv+j2x; spf=pass (imf27.hostedemail.com: domain of bhe@redhat.com designates 170.10.129.124 as permitted sender) smtp.mailfrom=bhe@redhat.com; dmarc=pass (policy=none) header.from=redhat.com ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1688738400; a=rsa-sha256; cv=none; b=v2qKK/jNIz8SKzXh1D1Z2ZfwOrGAzJPZgxSWZiHhd4hm0C48qLlXwguxaNUjzw1HuijBIC ROMavz14LiUo1cQXuqurMem+l6N9J0lfOKaNioWiEqI/CsTzfmIPDwt/Rt+YnXa86W8659 TdhUjvZAm9n/johfyRGHyqpKnzycKJ8= ARC-Authentication-Results: i=1; imf27.hostedemail.com; dkim=pass header.d=redhat.com header.s=mimecast20190719 header.b=Hfvv+j2x; spf=pass (imf27.hostedemail.com: domain of bhe@redhat.com designates 170.10.129.124 as permitted sender) smtp.mailfrom=bhe@redhat.com; dmarc=pass (policy=none) header.from=redhat.com ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1688738400; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=JY3wTP5/IT5Fuk6lBBENe/zUdzUPUkbX4RiZeJtGthU=; b=oUsKszXVXnKMoJKjftXzKcCLs4bK50uWmeY5QYkAvUwu97U9CpC23eWarqY0k9JATijr5D j1D383kHYlMpWTMzAQQqOFczLAzsgixA1RhQ3LgYvbNq8F0yZSE/QyBB5pHVbNr1Uieyey s6X2vA/rozb8++ZtVq5tu5PVvM8uiEo= DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1688738399; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=JY3wTP5/IT5Fuk6lBBENe/zUdzUPUkbX4RiZeJtGthU=; b=Hfvv+j2xcJoQj9OrkpSxiT0/QSjeX0oPEbg3RnboDvUSBuDqdau3HQiyuI2+ELCVaChcKS khZxilkiC9LYAw7MiUANtt+KTa6oQaqZpAX0vTta5B5Q7BFEwseEmyXkIjMW9i4TCh8GOG DIrNst9I1CFDpbBf2MOYCS+H+o3e/WA= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-613-sTmYJ2YlOgSgjm1LqC6m8A-1; Fri, 07 Jul 2023 09:59:54 -0400 X-MC-Unique: sTmYJ2YlOgSgjm1LqC6m8A-1 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.rdu2.redhat.com [10.11.54.6]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 3B5BB856F66; Fri, 7 Jul 2023 13:59:53 +0000 (UTC) Received: from MiWiFi-R3L-srv.redhat.com (ovpn-12-39.pek2.redhat.com [10.72.12.39]) by smtp.corp.redhat.com (Postfix) with ESMTP id 315AB2166B25; Fri, 7 Jul 2023 13:59:39 +0000 (UTC) From: Baoquan He To: linux-kernel@vger.kernel.org Cc: akpm@linux-foundation.org, linux-mm@kvack.org, schnelle@linux.ibm.com, vkoul@kernel.org, eli.billauer@gmail.com, arnd@arndb.de, gregkh@linuxfoundation.org, derek.kiernan@amd.com, dragan.cvetic@amd.com, linux@dominikbrodowski.net, Jonathan.Cameron@huawei.com, linus.walleij@linaro.org, tsbogend@alpha.franken.de, joyce.ooi@intel.com, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, tglx@linutronix.de, maz@kernel.org, mturquette@baylibre.com, sboyd@kernel.org, robh+dt@kernel.org, frowand.list@gmail.com, Baoquan He , kernel test robot Subject: [PATCH 3/8] misc: open-dice: make OPEN_DICE depend on HAS_IOMEM Date: Fri, 7 Jul 2023 21:58:47 +0800 Message-Id: <20230707135852.24292-4-bhe@redhat.com> In-Reply-To: <20230707135852.24292-1-bhe@redhat.com> References: <20230707135852.24292-1-bhe@redhat.com> MIME-Version: 1.0 Content-type: text/plain X-Scanned-By: MIMEDefang 3.1 on 10.11.54.6 X-Rspamd-Server: rspam08 X-Rspamd-Queue-Id: 592D640010 X-Stat-Signature: 738q9yt7rt8ruwxj11b58ywjxp169hhe X-Rspam-User: X-HE-Tag: 1688738399-342840 X-HE-Meta: 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 H/rYFDIk 3tqJRmPdTrKe0WN27U2FW2aeqkAb2jhTkepi3Bs0QgYy8bnSd1Tq5JIt+chWHryFa7c0uLFG2bQyDK1K9GqNGNwEV6yap6+IuWh+LnTyjXD/LM8iZkgWDv5SDe4VWqtfrnDAvMOzkKrtvUctq8rl9Kw3AjassyWHZsMXqpaEf/ittGTObgj5u8h+WX4AWXpsrpxBPi21QGKhrmQ7Aa4V0kCIEmu8uv01BUtcfv4RGYc03Iejpnt/TTMyTT07Y+kB62KgJuKjU+D02ZxrQCadmSejv2iKF5uQHVv711z+wHfZo6QOSnWSid9gwHExlkLopIjc/c4nLbImqs9V1dpkG5rKJ41sQySJ5FVxX6hRmGEDL5Bjl8fiM7YDTY8KULbkmhBUy/nIYWZvEenmAyJfDcCekwu+kBP0Hou9iZLI6QExp9vUqthCvsI3i7U4os3XzxJLNR3pKuMPNv34= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On s390 systems (aka mainframes), it has classic channel devices for networking and permanent storage that are currently even more common than PCI devices. Hence it could have a fully functional s390 kernel with CONFIG_PCI=n, then the relevant iomem mapping functions [including ioremap(), devm_ioremap(), etc.] are not available. Here let OPEN_DICE depend on HAS_IOMEM so that it won't be built to cause below compiling error if PCI is unset: ------ ERROR: modpost: "devm_memremap" [drivers/misc/open-dice.ko] undefined! ERROR: modpost: "devm_memunmap" [drivers/misc/open-dice.ko] undefined! ------ Reported-by: kernel test robot Closes: https://lore.kernel.org/oe-kbuild-all/202306211329.ticOJCSv-lkp@intel.com/ Signed-off-by: Baoquan He Cc: Derek Kiernan Cc: Dragan Cvetic Cc: Arnd Bergmann Cc: Greg Kroah-Hartman --- drivers/misc/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig index 75e427f124b2..cadd4a820c03 100644 --- a/drivers/misc/Kconfig +++ b/drivers/misc/Kconfig @@ -496,6 +496,7 @@ config HISI_HIKEY_USB config OPEN_DICE tristate "Open Profile for DICE driver" depends on OF_RESERVED_MEM + depends on HAS_IOMEM help This driver exposes a DICE reserved memory region to userspace via a character device. The memory region contains Compound Device