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Fri, 31 Jan 2025 16:59:31 GMT Received: from smtpav03.dal12v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 2C5E458056; Fri, 31 Jan 2025 16:59:31 +0000 (GMT) Received: from smtpav03.dal12v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 3E05258061; Fri, 31 Jan 2025 16:59:30 +0000 (GMT) Received: from li-43857255-d5e6-4659-90f1-fc5cee4750ad.ibm.com (unknown [9.61.73.176]) by smtpav03.dal12v.mail.ibm.com (Postfix) with ESMTP; Fri, 31 Jan 2025 16:59:30 +0000 (GMT) Message-ID: <3432701f63ea1a2904a1e84aa5db4b1bc0d4331c.camel@linux.ibm.com> Subject: Re: [PATCH v3 4/6] ima: Mark concurrent accesses to the iint pointer in the inode security blob From: Mimi Zohar To: Roberto Sassu , corbet@lwn.net, viro@zeniv.linux.org.uk, brauner@kernel.org, jack@suse.cz, dmitry.kasatkin@gmail.com, eric.snowberg@oracle.com, paul@paul-moore.com, jmorris@namei.org, serge@hallyn.com Cc: linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-integrity@vger.kernel.org, linux-security-module@vger.kernel.org, Roberto Sassu Date: Fri, 31 Jan 2025 11:59:29 -0500 In-Reply-To: <20250122172432.3074180-5-roberto.sassu@huaweicloud.com> References: <20250122172432.3074180-1-roberto.sassu@huaweicloud.com> <20250122172432.3074180-5-roberto.sassu@huaweicloud.com> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.52.4 (3.52.4-2.fc40) Precedence: bulk X-Mailing-List: linux-doc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-GUID: f52rQtxzKAMg65zWGxmx6Ys3D4TjoL__ X-Proofpoint-ORIG-GUID: Dn1hRKMXgfrQ6FICyra519HicpOqwKhK X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1057,Hydra:6.0.680,FMLib:17.12.68.34 definitions=2025-01-31_06,2025-01-31_02,2024-11-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 priorityscore=1501 spamscore=0 lowpriorityscore=0 clxscore=1015 impostorscore=0 malwarescore=0 mlxscore=0 mlxlogscore=748 bulkscore=0 suspectscore=0 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2501170000 definitions=main-2501310129 On Wed, 2025-01-22 at 18:24 +0100, Roberto Sassu wrote: > From: Roberto Sassu >=20 > Use the READ_ONCE() and WRITE_ONCE() macros to mark concurrent read and > write accesses to the portion of the inode security blob containing the > iint pointer. >=20 > Writers are serialized by the iint lock. >=20 > Reviewed-by: Mimi Zohar > Signed-off-by: Roberto Sassu Reviewed-by: Mimi Zohar