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[S390] Expose a constant for the number of words representing the CRs 

We need to use this value in the checkpoint/restart code and would like to
have a constant instead of a magic '3'.

Cc: linux-s390@vger.kernel.org
Signed-off-by: Dan Smith <danms@us.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Dan Smith 2009-03-26 15:24:40 +01:00 committed by Martin Schwidefsky
parent 1fbc9f46a0
commit eaf1b6fbca
2 changed files with 5 additions and 2 deletions
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4
arch/s390/include/asm/ptrace.h
View File

@ -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 */
@ -334,7 +336,7 @@ struct pt_regs
*/
typedef struct
{
unsigned long cr[3];
unsigned long cr[NUM_CR_WORDS];
} per_cr_words;
#define PER_EM_MASK 0xE8000000UL

3
arch/s390/kernel/compat_ptrace.h
View File

@ -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 {