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Wed, 23 Dec 2020 00:57:27 +0000 (GMT) Received: from manicouagan.localdomain (unknown [9.80.219.136]) by b03ledav005.gho.boulder.ibm.com (Postfix) with ESMTPS; Wed, 23 Dec 2020 00:57:27 +0000 (GMT) References: <20201219175713.18888-1-nramas@linux.microsoft.com> <20201219175713.18888-4-nramas@linux.microsoft.com> User-agent: mu4e 1.4.10; emacs 27.1 From: Thiago Jung Bauermann To: Lakshmi Ramasubramanian Cc: zohar@linux.ibm.com, robh@kernel.org, takahiro.akashi@linaro.org, gregkh@linuxfoundation.org, will@kernel.org, catalin.marinas@arm.com, mpe@ellerman.id.au, james.morse@arm.com, sashal@kernel.org, benh@kernel.crashing.org, paulus@samba.org, frowand.list@gmail.com, vincenzo.frascino@arm.com, mark.rutland@arm.com, dmitry.kasatkin@gmail.com, jmorris@namei.org, serge@hallyn.com, pasha.tatashin@soleen.com, allison@lohutok.net, masahiroy@kernel.org, bhsharma@redhat.com, mbrugger@suse.com, hsinyi@chromium.org, tao.li@vivo.com, christophe.leroy@c-s.fr, prsriva@linux.microsoft.com, balajib@linux.microsoft.com, linux-integrity@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org Subject: Re: [PATCH v13 3/6] kexec: Use fdt_appendprop_addrrange() to add ima buffer to FDT In-reply-to: <20201219175713.18888-4-nramas@linux.microsoft.com> Date: Tue, 22 Dec 2020 21:57:25 -0300 Message-ID: <8735zxl4p6.fsf@manicouagan.localdomain> MIME-Version: 1.0 Content-Type: text/plain X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.343,18.0.737 definitions=2020-12-22_13:2020-12-21,2020-12-22 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 clxscore=1015 malwarescore=0 bulkscore=0 priorityscore=1501 suspectscore=0 lowpriorityscore=0 phishscore=0 adultscore=0 impostorscore=0 mlxscore=0 mlxlogscore=961 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2012220175 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Lakshmi Ramasubramanian writes: > fdt_appendprop_addrrange() function adds a property, with the given name, > to the device tree at the given node offset, and also sets the address > and size of the property. This function should be used to add > "linux,ima-kexec-buffer" property to the device tree and set the address > and size of the IMA measurement buffer, instead of using custom function. > > Use fdt_appendprop_addrrange() to add "linux,ima-kexec-buffer" property > to the device tree. This property holds the address and size of > the IMA measurement buffer that needs to be passed from the current > kernel to the next kernel across kexec system call. > > Remove custom code that is used in setup_ima_buffer() to add > "linux,ima-kexec-buffer" property to the device tree. > > Co-developed-by: Prakhar Srivastava > Signed-off-by: Prakhar Srivastava > Signed-off-by: Lakshmi Ramasubramanian > --- > drivers/of/kexec.c | 57 ++++------------------------------------------ > 1 file changed, 5 insertions(+), 52 deletions(-) This is a nice improvement, thanks. Reviewed-by: Thiago Jung Bauermann -- Thiago Jung Bauermann IBM Linux Technology Center