diff options
Diffstat (limited to 'arch/s390/include/asm')
-rw-r--r-- | arch/s390/include/asm/compat.h | 2 | ||||
-rw-r--r-- | arch/s390/include/asm/cputime.h | 8 | ||||
-rw-r--r-- | arch/s390/include/asm/kvm.h | 3 |
3 files changed, 11 insertions, 2 deletions
diff --git a/arch/s390/include/asm/compat.h b/arch/s390/include/asm/compat.h index 01a08020bc0e..0c940d38d6b7 100644 --- a/arch/s390/include/asm/compat.h +++ b/arch/s390/include/asm/compat.h @@ -180,7 +180,7 @@ static inline int is_compat_task(void) #endif -static inline void __user *compat_alloc_user_space(long len) +static inline void __user *arch_compat_alloc_user_space(long len) { unsigned long stack; diff --git a/arch/s390/include/asm/cputime.h b/arch/s390/include/asm/cputime.h index f23961ada7fb..258ba88b7b50 100644 --- a/arch/s390/include/asm/cputime.h +++ b/arch/s390/include/asm/cputime.h @@ -183,6 +183,7 @@ struct s390_idle_data { unsigned long long idle_count; unsigned long long idle_enter; unsigned long long idle_time; + int nohz_delay; }; DECLARE_PER_CPU(struct s390_idle_data, s390_idle); @@ -198,4 +199,11 @@ static inline void s390_idle_check(void) vtime_start_cpu(); } +static inline int s390_nohz_delay(int cpu) +{ + return per_cpu(s390_idle, cpu).nohz_delay != 0; +} + +#define arch_needs_cpu(cpu) s390_nohz_delay(cpu) + #endif /* _S390_CPUTIME_H */ diff --git a/arch/s390/include/asm/kvm.h b/arch/s390/include/asm/kvm.h index 3dfcaeb5d7f4..82b32a100c7d 100644 --- a/arch/s390/include/asm/kvm.h +++ b/arch/s390/include/asm/kvm.h @@ -1,6 +1,5 @@ #ifndef __LINUX_KVM_S390_H #define __LINUX_KVM_S390_H - /* * asm-s390/kvm.h - KVM s390 specific structures and definitions * @@ -15,6 +14,8 @@ */ #include <linux/types.h> +#define __KVM_S390 + /* for KVM_GET_REGS and KVM_SET_REGS */ struct kvm_regs { /* general purpose regs for s390 */ |