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-rw-r--r--arch/s390/include/asm/kexec.h18
1 files changed, 18 insertions, 0 deletions
diff --git a/arch/s390/include/asm/kexec.h b/arch/s390/include/asm/kexec.h
index cf4e47b0948c..3f30dac804ea 100644
--- a/arch/s390/include/asm/kexec.h
+++ b/arch/s390/include/asm/kexec.h
@@ -42,6 +42,24 @@
/* The native architecture */
#define KEXEC_ARCH KEXEC_ARCH_S390
+/*
+ * Size for s390x ELF notes per CPU
+ *
+ * Seven notes plus zero note at the end: prstatus, fpregset, timer,
+ * tod_cmp, tod_reg, control regs, and prefix
+ */
+#define KEXEC_NOTE_BYTES \
+ (ALIGN(sizeof(struct elf_note), 4) * 8 + \
+ ALIGN(sizeof("CORE"), 4) * 7 + \
+ ALIGN(sizeof(struct elf_prstatus), 4) + \
+ ALIGN(sizeof(elf_fpregset_t), 4) + \
+ ALIGN(sizeof(u64), 4) + \
+ ALIGN(sizeof(u64), 4) + \
+ ALIGN(sizeof(u32), 4) + \
+ ALIGN(sizeof(u64) * 16, 4) + \
+ ALIGN(sizeof(u32), 4) \
+ )
+
/* Provide a dummy definition to avoid build failures. */
static inline void crash_setup_regs(struct pt_regs *newregs,
struct pt_regs *oldregs) { }