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Tue, 27 Apr 2021 16:48:01 +0000 (GMT) Received: from li-f45666cc-3089-11b2-a85c-c57d1a57929f.ibm.com (unknown [9.211.36.231]) by d06av24.portsmouth.uk.ibm.com (Postfix) with ESMTP; Tue, 27 Apr 2021 16:48:01 +0000 (GMT) Message-ID: <2c4baf092a11eadfc589ca2a314bcbf689284b0a.camel@linux.ibm.com> Subject: Re: [PATCH v4 04/11] ima: Move ima_reset_appraise_flags() call to post hooks From: Mimi Zohar To: Casey Schaufler , Roberto Sassu , "mjg59@google.com" Cc: "linux-integrity@vger.kernel.org" , "linux-security-module@vger.kernel.org" , "linux-fsdevel@vger.kernel.org" , "linux-kernel@vger.kernel.org" Date: Tue, 27 Apr 2021 12:48:00 -0400 In-Reply-To: <3354e1a0-bca2-2cb9-6e82-7209b9106008@schaufler-ca.com> References: <20210305151923.29039-1-roberto.sassu@huawei.com> <20210305151923.29039-5-roberto.sassu@huawei.com> <93858a47a29831ca782c8388faaa43c8ffc3f5cd.camel@linux.ibm.com> <7a39600c24a740838dca24c20af92c1a@huawei.com> <3354e1a0-bca2-2cb9-6e82-7209b9106008@schaufler-ca.com> Content-Type: text/plain; charset="ISO-8859-15" X-Mailer: Evolution 3.28.5 (3.28.5-14.el8) Mime-Version: 1.0 Content-Transfer-Encoding: 7bit X-TM-AS-GCONF: 00 X-Proofpoint-GUID: UQxgqS5tfaz7u6xEhw6-mov5dXxGuI3Q X-Proofpoint-ORIG-GUID: BhALz2mzO1A0UFYjsNFOhf10bxTXbPKE X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.391,18.0.761 definitions=2021-04-27_10:2021-04-27,2021-04-27 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 malwarescore=0 adultscore=0 mlxlogscore=999 bulkscore=0 phishscore=0 impostorscore=0 mlxscore=0 suspectscore=0 priorityscore=1501 clxscore=1015 spamscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2104060000 definitions=main-2104270112 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Casey, On Tue, 2021-04-27 at 09:39 -0700, Casey Schaufler wrote: > >> That ship sailed when "security=" was deprecated in favor of "lsm=" > >> support, which dynamically enables/disables LSMs at runtime. > > security= is still supported and works the same as ever. lsm= is > more powerful than security= but also harder to use. I understand that it still exists, but the documentation says it's been deprecated. From Documentation/admin-guide/kernel-parameters.txt: security= [SECURITY] Choose a legacy "major" security module to enable at boot. This has been deprecated by the "lsm=" parameter. Mimi