From eaf1b6fbca8d9be87bef2eafaa3f40bffe26ce04 Mon Sep 17 00:00:00 2001 From: Dan Smith Date: Thu, 26 Mar 2009 15:24:40 +0100 Subject: [PATCH] [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 Signed-off-by: Martin Schwidefsky --- arch/s390/include/asm/ptrace.h | 4 +++- arch/s390/kernel/compat_ptrace.h | 3 ++- 2 files changed, 5 insertions(+), 2 deletions(-) diff --git a/arch/s390/include/asm/ptrace.h b/arch/s390/include/asm/ptrace.h index 8920025c3c02..f1b051630c50 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 */ @@ -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 diff --git a/arch/s390/kernel/compat_ptrace.h b/arch/s390/kernel/compat_ptrace.h index a2be3a978d5c..123dd660d7fb 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 /* 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 { -- 2.30.2