From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sourabh Jain Date: Tue, 19 Apr 2022 13:51:48 +0530 Subject: [RFC v4 PATCH 3/5] powrepc/crash hp: update kimage_arch struct In-Reply-To: <57f1960f-4fc7-6061-0fc2-b2bfd09b334f@linux.ibm.com> References: <20220411084357.157308-1-sourabhjain@linux.ibm.com> <20220411084357.157308-4-sourabhjain@linux.ibm.com> <57f1960f-4fc7-6061-0fc2-b2bfd09b334f@linux.ibm.com> Message-ID: <44105142-5a4b-28c9-243a-e116cd1c3c36@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 14/04/22 22:05, Laurent Dufour wrote: > 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? Yes it should be kept under CONFIG_CRASH_HOTPLUG config. Thanks, Sourabh Jain > >> unsigned long backup_start; >> void *backup_buf; >> void *fdt;