Message ID | 20241011040441.1586345-3-tiwei.btw@antgroup.com |
---|---|
State | Accepted |
Headers | show
Return-Path: <linux-um-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org> X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; secure) header.d=lists.infradead.org header.i=@lists.infradead.org header.a=rsa-sha256 header.s=bombadil.20210309 header.b=qGmrZ6vb; dkim=pass (1024-bit key; unprotected) header.d=antgroup.com header.i=@antgroup.com header.a=rsa-sha256 header.s=default header.b=GB1HFqIN; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=none (no SPF record) smtp.mailfrom=lists.infradead.org (client-ip=2607:7c80:54:3::133; helo=bombadil.infradead.org; envelope-from=linux-um-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org; receiver=patchwork.ozlabs.org) Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:3::133]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (secp384r1) server-digest SHA384) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4XPtLs0XD3z1xvg for <incoming@patchwork.ozlabs.org>; Fri, 11 Oct 2024 15:05:07 +1100 (AEDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=r4f8uaoElW6Tz/MJWwXbPIXXxPfOt+tP+zCNiNmUVAs=; b=qGmrZ6vbb2t+x7CGRRyK7M6zl1 HRU6rq1u/stompotJOWoIMgKdhUK2E1YTxLXThT6imuKKhmApulGlcowl3+39ozglMvS6Hh74OLXj 0G0YOpk0w18MsaAO/O3q8dHfNYQhwpij9hB7xC5La16o2alwxlVz1VOuTnUFI6xrbCX0QT+eU1Rig 1iY+4j4ZG/Uy6MmiAvNJRZSF5BTPuVvYCdcuEhjZSYaWuj9QPTNfbml8iir4aTeWRHDBJDSsTlXV/ w+7+/r0k49nwYy6A+xhefMkSi0IlNhMenI3spdvXVzaEe5NEP5jdj8gdL6szuVqEXhGeCD5ktWRXF ewBw5rzw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1sz6tj-0000000FCFm-08gv; Fri, 11 Oct 2024 04:05:03 +0000 Received: from out0-221.mail.aliyun.com ([140.205.0.221]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1sz6te-0000000FCBv-3qDA for linux-um@lists.infradead.org; Fri, 11 Oct 2024 04:05:00 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=antgroup.com; s=default; t=1728619496; h=From:To:Subject:Date:Message-Id:MIME-Version; bh=r4f8uaoElW6Tz/MJWwXbPIXXxPfOt+tP+zCNiNmUVAs=; b=GB1HFqINithB5ti16xIvgXCDdSIeVOKtOtOZ/uN6WM3H/bwEv+wIfI1vDdkThkCW42Ti62n4euiX2hnkCGBs4Ju1/PXW6XQU5kFUBntpWIgNL1wvcXjTaOMetl1dBe3Bd1tlAtE9ndduEiz6Movqo/QXuSnLPK0d+95g/AlTtMg= Received: from ubuntu..(mailfrom:tiwei.btw@antgroup.com fp:SMTPD_---.Ze33ty8_1728619494) by smtp.aliyun-inc.com; Fri, 11 Oct 2024 12:04:54 +0800 From: "Tiwei Bie" <tiwei.btw@antgroup.com> To: richard@nod.at, anton.ivanov@cambridgegreys.com, johannes@sipsolutions.net Cc: <linux-um@lists.infradead.org>, <linux-kernel@vger.kernel.org>, "Tiwei Bie" <tiwei.btw@antgroup.com> Subject: [PATCH 2/9] um: Do not propagate mem parameter to kernel Date: Fri, 11 Oct 2024 12:04:34 +0800 Message-Id: <20241011040441.1586345-3-tiwei.btw@antgroup.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20241011040441.1586345-1-tiwei.btw@antgroup.com> References: <20241011040441.1586345-1-tiwei.btw@antgroup.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241010_210459_208137_F7CD7522 X-CRM114-Status: UNSURE ( 7.66 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -2.1 (--) X-Spam-Report: Spam detection software, running on the system "bombadil.infradead.org", has NOT identified this incoming email as spam. The original message has been attached to this so you can view it or label similar future email. If you have any questions, see the administrator of that system for details. Content preview: This parameter is UML specific and is unknown to kernel. It should not be propagated to kernel, otherwise it will be passed to user space as an environment option by kernel with a warning like: Unknown kernel command line parameters "mem=2G", will be passed to user space. Content analysis details: (-2.1 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [140.205.0.221 listed in list.dnswl.org] 0.0 RCVD_IN_VALIDITY_SAFE_BLOCKED RBL: ADMINISTRATOR NOTICE: The query to Validity was blocked. See https://knowledge.validity.com/hc/en-us/articles/20961730681243 for more information. [140.205.0.221 listed in sa-accredit.habeas.com] 0.0 RCVD_IN_VALIDITY_CERTIFIED_BLOCKED RBL: ADMINISTRATOR NOTICE: The query to Validity was blocked. See https://knowledge.validity.com/hc/en-us/articles/20961730681243 for more information. [140.205.0.221 listed in sa-trusted.bondedsender.org] 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches SPF record 0.0 RCVD_IN_VALIDITY_RPBL_BLOCKED RBL: ADMINISTRATOR NOTICE: The query to Validity was blocked. See https://knowledge.validity.com/hc/en-us/articles/20961730681243 for more information. [140.205.0.221 listed in bl.score.senderscore.com] -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] 0.0 UNPARSEABLE_RELAY Informational: message has unparseable relay lines X-BeenThere: linux-um@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: <linux-um.lists.infradead.org> List-Unsubscribe: <http://lists.infradead.org/mailman/options/linux-um>, <mailto:linux-um-request@lists.infradead.org?subject=unsubscribe> List-Archive: <http://lists.infradead.org/pipermail/linux-um/> List-Post: <mailto:linux-um@lists.infradead.org> List-Help: <mailto:linux-um-request@lists.infradead.org?subject=help> List-Subscribe: <http://lists.infradead.org/mailman/listinfo/linux-um>, <mailto:linux-um-request@lists.infradead.org?subject=subscribe> Sender: "linux-um" <linux-um-bounces@lists.infradead.org> Errors-To: linux-um-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org |
Series |
um: Some parameter cleanups
|
expand
|
diff --git a/arch/um/kernel/physmem.c b/arch/um/kernel/physmem.c index 636830fe00f2..d60df3626727 100644 --- a/arch/um/kernel/physmem.c +++ b/arch/um/kernel/physmem.c @@ -139,6 +139,8 @@ EXPORT_SYMBOL(phys_mapping); static int __init uml_mem_setup(char *line, int *add) { char *retptr; + + *add = 0; physmem_size = memparse(line,&retptr); return 0; }
This parameter is UML specific and is unknown to kernel. It should not be propagated to kernel, otherwise it will be passed to user space as an environment option by kernel with a warning like: Unknown kernel command line parameters "mem=2G", will be passed to user space. Signed-off-by: Tiwei Bie <tiwei.btw@antgroup.com> --- arch/um/kernel/physmem.c | 2 ++ 1 file changed, 2 insertions(+)