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

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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
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@@ -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