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Thu, 14 Apr 2022 16:35:31 +0000 (GMT) Received: from d06av25.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 34F5A11C04C; Thu, 14 Apr 2022 16:35:31 +0000 (GMT) Received: from [9.145.94.207] (unknown [9.145.94.207]) by d06av25.portsmouth.uk.ibm.com (Postfix) with ESMTP; Thu, 14 Apr 2022 16:35:31 +0000 (GMT) Message-ID: <57f1960f-4fc7-6061-0fc2-b2bfd09b334f@linux.ibm.com> Date: Thu, 14 Apr 2022 18:35:30 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:91.0) Gecko/20100101 Thunderbird/91.8.0 Subject: Re: [RFC v4 PATCH 3/5] powrepc/crash hp: update kimage_arch struct Content-Language: en-US To: Sourabh Jain , linuxppc-dev@ozlabs.org, mpe@ellerman.id.au References: <20220411084357.157308-1-sourabhjain@linux.ibm.com> <20220411084357.157308-4-sourabhjain@linux.ibm.com> From: Laurent Dufour In-Reply-To: <20220411084357.157308-4-sourabhjain@linux.ibm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: UYvnq5oncKw6Zm8ILWkfB6Utxnpxh2lu X-Proofpoint-GUID: u3b2rv-HBFP3SO_wkl7ZXapugeJy4soZ X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.858,Hydra:6.0.486,FMLib:17.11.64.514 definitions=2022-04-14_04,2022-04-14_02,2022-02-23_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 adultscore=0 spamscore=0 clxscore=1015 suspectscore=0 mlxscore=0 priorityscore=1501 impostorscore=0 mlxlogscore=999 phishscore=0 bulkscore=0 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2202240000 definitions=main-2204140088 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: mahesh@linux.vnet.ibm.com, eric.devolder@oracle.com, kexec@lists.infradead.org, bhe@redhat.com, hbathini@linux.ibm.com Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" On 11/04/2022, 10:43:55, Sourabh Jain wrote: > Two new members fdt_index and fdt_index_valid are added in kimage_arch > struct to track the FDT kexec segment. These new members of kimage_arch > struct will help the crash hotplug handler to easily access the FDT > segment from the kexec segment array. Otherwise, we have to loop through > all kexec segments to find the FDT segments. > > Signed-off-by: Sourabh Jain > --- > arch/powerpc/include/asm/kexec.h | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/arch/powerpc/include/asm/kexec.h b/arch/powerpc/include/asm/kexec.h > index e1288826e22e..19c2cab6a880 100644 > --- a/arch/powerpc/include/asm/kexec.h > +++ b/arch/powerpc/include/asm/kexec.h > @@ -104,6 +104,8 @@ extern const struct kexec_file_ops kexec_elf64_ops; > struct kimage_arch { > struct crash_mem *exclude_ranges; > #ifdef CONFIG_CRASH_HOTPLUG ? > + int fdt_index; > + bool fdt_index_valid; #endif It seems that this is only used when CONFIG_CRASH_HOTPLUG is defined, isn't it? > unsigned long backup_start; > void *backup_buf; > void *fdt; From mboxrd@z Thu Jan 1 00:00:00 1970 From: Laurent Dufour Date: Thu, 14 Apr 2022 18:35:30 +0200 Subject: [RFC v4 PATCH 3/5] powrepc/crash hp: update kimage_arch struct In-Reply-To: <20220411084357.157308-4-sourabhjain@linux.ibm.com> References: <20220411084357.157308-1-sourabhjain@linux.ibm.com> <20220411084357.157308-4-sourabhjain@linux.ibm.com> Message-ID: <57f1960f-4fc7-6061-0fc2-b2bfd09b334f@linux.ibm.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: kexec@lists.infradead.org On 11/04/2022, 10:43:55, Sourabh Jain wrote: > Two new members fdt_index and fdt_index_valid are added in kimage_arch > struct to track the FDT kexec segment. These new members of kimage_arch > struct will help the crash hotplug handler to easily access the FDT > segment from the kexec segment array. Otherwise, we have to loop through > all kexec segments to find the FDT segments. > > Signed-off-by: Sourabh Jain > --- > arch/powerpc/include/asm/kexec.h | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/arch/powerpc/include/asm/kexec.h b/arch/powerpc/include/asm/kexec.h > index e1288826e22e..19c2cab6a880 100644 > --- a/arch/powerpc/include/asm/kexec.h > +++ b/arch/powerpc/include/asm/kexec.h > @@ -104,6 +104,8 @@ extern const struct kexec_file_ops kexec_elf64_ops; > struct kimage_arch { > struct crash_mem *exclude_ranges; > #ifdef CONFIG_CRASH_HOTPLUG ? > + int fdt_index; > + bool fdt_index_valid; #endif It seems that this is only used when CONFIG_CRASH_HOTPLUG is defined, isn't it? > unsigned long backup_start; > void *backup_buf; > void *fdt;