[PATCH v1 3/7] crashdump/x86: identify elfcorehdr segment for hotplug

Eric DeVolder eric.devolder at oracle.com
Thu Oct 20 10:03:40 PDT 2022


Identify and record the elfcorehdr buffer so that it can be
excluded from the purgatory checksum/digest if --hotplug is
in effect.

Signed-off-by: Eric DeVolder <eric.devolder at oracle.com>
---
 kexec/arch/i386/crashdump-x86.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/kexec/arch/i386/crashdump-x86.c b/kexec/arch/i386/crashdump-x86.c
index df1f24c..cb86ca7 100644
--- a/kexec/arch/i386/crashdump-x86.c
+++ b/kexec/arch/i386/crashdump-x86.c
@@ -956,6 +956,9 @@ int load_crashdump_segments(struct kexec_info *info, char* mod_cmdline,
 	} else {
 		memsz = bufsz;
 	}
+
+	/* Record the location of the elfcorehdr for hotplug handling */
+	info->elfcorehdr =
 	elfcorehdr = add_buffer(info, tmp, bufsz, memsz, align, min_base,
 							max_addr, -1);
 	dbgprintf("Created elf header segment at 0x%lx\n", elfcorehdr);
-- 
2.31.1




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