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Commit eaf1b6fb authored by Dan Smith's avatar Dan Smith Committed by Martin Schwidefsky
Browse files

[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: default avatarDan Smith <danms@us.ibm.com>
Signed-off-by: default avatarMartin Schwidefsky <schwidefsky@de.ibm.com>
parent 1fbc9f46

arch/s390/include/asm/ptrace.h

+3 −1
Original line number Diff line number Diff line
@@ -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

arch/s390/kernel/compat_ptrace.h

+2 −1
Original line number Diff line number Diff line 
#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 {