We need to use this value in the checkpoint/restart code and would like to
have a constant instead of a magic '3'.
Signed-off-by: Dan Smith <danms@xxxxxxxxxx>
Cc: linux-s390@xxxxxxxxxxxxxxx
---
arch/s390/include/asm/ptrace.h | 2 ++
arch/s390/kernel/compat_ptrace.h | 3 ++-
2 files changed, 4 insertions(+), 1 deletions(-)
diff --git a/arch/s390/include/asm/ptrace.h b/arch/s390/include/asm/ptrace.h
index 5396f9f..d5b0781 100644
--- a/arch/s390/include/asm/ptrace.h
+++ b/arch/s390/include/asm/ptrace.h
@@ -172,6 +172,8 @@
#define NUM_CRS 16
#define NUM_ACRS 16
+#define NUM_CR_WORDS 3
+
#define FPR_SIZE 8
#define FPC_SIZE 4
#define FPC_PAD_SIZE 4 /* gcc insists on aligning the fpregs */
diff --git a/arch/s390/kernel/compat_ptrace.h b/arch/s390/kernel/compat_ptrace.h
index a2be3a9..123dd66 100644
--- a/arch/s390/kernel/compat_ptrace.h
+++ b/arch/s390/kernel/compat_ptrace.h
@@ -1,10 +1,11 @@
#ifndef _PTRACE32_H
#define _PTRACE32_H
+#include <asm/ptrace.h> /* needed for NUM_CR_WORDS */
#include "compat_linux.h" /* needed for psw_compat_t */
typedef struct {
- __u32 cr[3];
+ __u32 cr[NUM_CR_WORDS];
} per_cr_words32;
typedef struct {
--
1.6.1
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