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Fri, 12 Jan 2024 17:44:26 +0000 (GMT) Message-ID: <6acf82dcefd349941b05ff2a3b7e4bf651dc4429.camel@linux.ibm.com> Subject: Re: [PATCH v3 6/7] ima: configure memory to log events between kexec load and execute From: Mimi Zohar To: Tushar Sugandhi , Stefan Berger , roberto.sassu@huaweicloud.com, roberto.sassu@huawei.com, eric.snowberg@oracle.com, ebiederm@xmission.com, noodles@fb.com, bauermann@kolabnow.com, linux-integrity@vger.kernel.org, kexec@lists.infradead.org Cc: code@tyhicks.com, nramas@linux.microsoft.com, paul@paul-moore.com Date: Fri, 12 Jan 2024 12:44:25 -0500 In-Reply-To: References: <20231216010729.2904751-1-tusharsu@linux.microsoft.com> <20231216010729.2904751-7-tusharsu@linux.microsoft.com> <3e8cb0bd77a2b73613b19febb2b3121ef0ea8255.camel@linux.ibm.com> <0df62e0e-a9d5-434c-866c-936cafeed480@linux.microsoft.com> X-Mailer: Evolution 3.28.5 (3.28.5-22.el8) Mime-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-GUID: yHuFKTJkjM8GtMyYopA2FCfK3mjXf6j0 X-Proofpoint-ORIG-GUID: yHuFKTJkjM8GtMyYopA2FCfK3mjXf6j0 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.997,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2024-01-12_08,2024-01-12_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 impostorscore=0 lowpriorityscore=0 spamscore=0 adultscore=0 phishscore=0 mlxscore=0 clxscore=1015 suspectscore=0 malwarescore=0 mlxlogscore=999 priorityscore=1501 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2311290000 definitions=main-2401120140 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240112_094500_638144_C3A370EF X-CRM114-Status: GOOD ( 16.42 ) X-BeenThere: kexec@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "kexec" Errors-To: kexec-bounces+kexec=archiver.kernel.org@lists.infradead.org On Thu, 2024-01-11 at 12:52 -0800, Tushar Sugandhi wrote: [...] > If we go with the KBs approach - > > half-a-page translates to different KBs on different architectures. > And setting the right default value in KBs which would translate to > the desired half-a-page, on a given arch, inside the Kconfig seems > fragile (as I mentioned in the context of Option A in my previous > response. How about setting the default value to 0, indicating not to change the current half page default. Any other value would be KBs, as Stefan suggested. -- thanks, Mimi _______________________________________________ kexec mailing list kexec@lists.infradead.org http://lists.infradead.org/mailman/listinfo/kexec