[PATCH v1 7/7] crashdump/x86: utilize get_elfcorehdrsz()
Eric DeVolder
eric.devolder at oracle.com
Thu Oct 20 10:03:44 PDT 2022
Call get_elfcorehdrsz() to obtain the size of the elfcorehdr
buffer.
Signed-off-by: Eric DeVolder <eric.devolder at oracle.com>
---
kexec/arch/i386/crashdump-x86.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/kexec/arch/i386/crashdump-x86.c b/kexec/arch/i386/crashdump-x86.c
index cb86ca7..29d4ba5 100644
--- a/kexec/arch/i386/crashdump-x86.c
+++ b/kexec/arch/i386/crashdump-x86.c
@@ -957,6 +957,12 @@ int load_crashdump_segments(struct kexec_info *info, char* mod_cmdline,
memsz = bufsz;
}
+ /* Adjust size of buffer according to hotplug and user */
+ sz = get_elfcorehdrsz(&elf_info, bufsz, CRASH_MAX_MEMORY_RANGES);
+ if (sz > memsz)
+ memsz = sz;
+ memsz = _ALIGN(memsz, align);
+
/* Record the location of the elfcorehdr for hotplug handling */
info->elfcorehdr =
elfcorehdr = add_buffer(info, tmp, bufsz, memsz, align, min_base,
--
2.31.1
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