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zdump: dfo_elf: replace HDR_PER_CPU_SIZE with get_max_note_size_per_cpu

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The maximum size of all supported ELF note entries for a CPU can be 0x4a4 bytes
and not 0x4a0. Use a function for the calculation so it's easier to maintain.

Signed-off-by: Marc Hartmayer <mhartmay@linux.ibm.com>
Reviewed-by: Steffen Eiden <seiden@linux.ibm.com>
Reviewed-by: Alexander Egorenkov <egorenar@linux.ibm.com>
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
This commit is contained in:
Marc Hartmayer
2022-09-01 20:09:48 +00:00
committed by Jan Höppner
parent d712806b39
commit dc87aef335
3 changed files with 25 additions and 4 deletions
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zdump/dfo_elf.c
+2 -4
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@@ -23,7 +23,6 @@
#include "dfi_vmcoreinfo.h"
#include "dfo.h"
#define HDR_PER_CPU_SIZE 0x4a0
#define HDR_PER_MEMC_SIZE 0x100
#define HDR_BASE_SIZE 0x2000
@@ -133,9 +132,8 @@ static void dfo_elf_init(void)
u64 hdr_off;
ensure_s390x();
alloc_size = HDR_BASE_SIZE +
dfi_cpu_cnt() * HDR_PER_CPU_SIZE +
dfi_mem_chunk_cnt() * HDR_PER_MEMC_SIZE;
alloc_size = HDR_BASE_SIZE + dfi_cpu_cnt() * get_max_note_size_per_cpu() +
dfi_mem_chunk_cnt() * HDR_PER_MEMC_SIZE;
buf = zg_alloc(alloc_size);
/* Init elf header */
ptr = ehdr_init(buf, dfi_mem_chunk_cnt() + 1);