diff options
Diffstat (limited to 'arch/parisc/include')
| -rw-r--r-- | arch/parisc/include/asm/Kbuild | 1 | ||||
| -rw-r--r-- | arch/parisc/include/asm/atomic.h | 117 | ||||
| -rw-r--r-- | arch/parisc/include/asm/processor.h | 1 | ||||
| -rw-r--r-- | arch/parisc/include/asm/seccomp.h | 16 | ||||
| -rw-r--r-- | arch/parisc/include/asm/thread_info.h | 5 | ||||
| -rw-r--r-- | arch/parisc/include/uapi/asm/ioctls.h | 2 | ||||
| -rw-r--r-- | arch/parisc/include/uapi/asm/signal.h | 16 | ||||
| -rw-r--r-- | arch/parisc/include/uapi/asm/unistd.h | 5 |
8 files changed, 105 insertions, 58 deletions
diff --git a/arch/parisc/include/asm/Kbuild b/arch/parisc/include/asm/Kbuild index ecf25e6678ad..ffb024b8423f 100644 --- a/arch/parisc/include/asm/Kbuild +++ b/arch/parisc/include/asm/Kbuild @@ -10,6 +10,7 @@ generic-y += exec.h generic-y += hash.h generic-y += hw_irq.h generic-y += irq_regs.h +generic-y += irq_work.h generic-y += kdebug.h generic-y += kvm_para.h generic-y += local.h diff --git a/arch/parisc/include/asm/atomic.h b/arch/parisc/include/asm/atomic.h index 0be2db2c7d44..226f8ca993f6 100644 --- a/arch/parisc/include/asm/atomic.h +++ b/arch/parisc/include/asm/atomic.h @@ -55,24 +55,7 @@ extern arch_spinlock_t __atomic_hash[ATOMIC_HASH_SIZE] __lock_aligned; * are atomic, so a reader never sees inconsistent values. */ -/* It's possible to reduce all atomic operations to either - * __atomic_add_return, atomic_set and atomic_read (the latter - * is there only for consistency). - */ - -static __inline__ int __atomic_add_return(int i, atomic_t *v) -{ - int ret; - unsigned long flags; - _atomic_spin_lock_irqsave(v, flags); - - ret = (v->counter += i); - - _atomic_spin_unlock_irqrestore(v, flags); - return ret; -} - -static __inline__ void atomic_set(atomic_t *v, int i) +static __inline__ void atomic_set(atomic_t *v, int i) { unsigned long flags; _atomic_spin_lock_irqsave(v, flags); @@ -84,7 +67,7 @@ static __inline__ void atomic_set(atomic_t *v, int i) static __inline__ int atomic_read(const atomic_t *v) { - return (*(volatile int *)&(v)->counter); + return ACCESS_ONCE((v)->counter); } /* exported interface */ @@ -115,16 +98,43 @@ static __inline__ int __atomic_add_unless(atomic_t *v, int a, int u) return c; } +#define ATOMIC_OP(op, c_op) \ +static __inline__ void atomic_##op(int i, atomic_t *v) \ +{ \ + unsigned long flags; \ + \ + _atomic_spin_lock_irqsave(v, flags); \ + v->counter c_op i; \ + _atomic_spin_unlock_irqrestore(v, flags); \ +} \ + +#define ATOMIC_OP_RETURN(op, c_op) \ +static __inline__ int atomic_##op##_return(int i, atomic_t *v) \ +{ \ + unsigned long flags; \ + int ret; \ + \ + _atomic_spin_lock_irqsave(v, flags); \ + ret = (v->counter c_op i); \ + _atomic_spin_unlock_irqrestore(v, flags); \ + \ + return ret; \ +} + +#define ATOMIC_OPS(op, c_op) ATOMIC_OP(op, c_op) ATOMIC_OP_RETURN(op, c_op) + +ATOMIC_OPS(add, +=) +ATOMIC_OPS(sub, -=) + +#undef ATOMIC_OPS +#undef ATOMIC_OP_RETURN +#undef ATOMIC_OP -#define atomic_add(i,v) ((void)(__atomic_add_return( (i),(v)))) -#define atomic_sub(i,v) ((void)(__atomic_add_return(-((int) (i)),(v)))) -#define atomic_inc(v) ((void)(__atomic_add_return( 1,(v)))) -#define atomic_dec(v) ((void)(__atomic_add_return( -1,(v)))) +#define atomic_inc(v) (atomic_add( 1,(v))) +#define atomic_dec(v) (atomic_add( -1,(v))) -#define atomic_add_return(i,v) (__atomic_add_return( (i),(v))) -#define atomic_sub_return(i,v) (__atomic_add_return(-(i),(v))) -#define atomic_inc_return(v) (__atomic_add_return( 1,(v))) -#define atomic_dec_return(v) (__atomic_add_return( -1,(v))) +#define atomic_inc_return(v) (atomic_add_return( 1,(v))) +#define atomic_dec_return(v) (atomic_add_return( -1,(v))) #define atomic_add_negative(a, v) (atomic_add_return((a), (v)) < 0) @@ -148,18 +158,37 @@ static __inline__ int __atomic_add_unless(atomic_t *v, int a, int u) #define ATOMIC64_INIT(i) { (i) } -static __inline__ s64 -__atomic64_add_return(s64 i, atomic64_t *v) -{ - s64 ret; - unsigned long flags; - _atomic_spin_lock_irqsave(v, flags); +#define ATOMIC64_OP(op, c_op) \ +static __inline__ void atomic64_##op(s64 i, atomic64_t *v) \ +{ \ + unsigned long flags; \ + \ + _atomic_spin_lock_irqsave(v, flags); \ + v->counter c_op i; \ + _atomic_spin_unlock_irqrestore(v, flags); \ +} \ + +#define ATOMIC64_OP_RETURN(op, c_op) \ +static __inline__ s64 atomic64_##op##_return(s64 i, atomic64_t *v) \ +{ \ + unsigned long flags; \ + s64 ret; \ + \ + _atomic_spin_lock_irqsave(v, flags); \ + ret = (v->counter c_op i); \ + _atomic_spin_unlock_irqrestore(v, flags); \ + \ + return ret; \ +} - ret = (v->counter += i); +#define ATOMIC64_OPS(op, c_op) ATOMIC64_OP(op, c_op) ATOMIC64_OP_RETURN(op, c_op) - _atomic_spin_unlock_irqrestore(v, flags); - return ret; -} +ATOMIC64_OPS(add, +=) +ATOMIC64_OPS(sub, -=) + +#undef ATOMIC64_OPS +#undef ATOMIC64_OP_RETURN +#undef ATOMIC64_OP static __inline__ void atomic64_set(atomic64_t *v, s64 i) @@ -175,18 +204,14 @@ atomic64_set(atomic64_t *v, s64 i) static __inline__ s64 atomic64_read(const atomic64_t *v) { - return (*(volatile long *)&(v)->counter); + return ACCESS_ONCE((v)->counter); } -#define atomic64_add(i,v) ((void)(__atomic64_add_return( ((s64)(i)),(v)))) -#define atomic64_sub(i,v) ((void)(__atomic64_add_return(-((s64)(i)),(v)))) -#define atomic64_inc(v) ((void)(__atomic64_add_return( 1,(v)))) -#define atomic64_dec(v) ((void)(__atomic64_add_return( -1,(v)))) +#define atomic64_inc(v) (atomic64_add( 1,(v))) +#define atomic64_dec(v) (atomic64_add( -1,(v))) -#define atomic64_add_return(i,v) (__atomic64_add_return( ((s64)(i)),(v))) -#define atomic64_sub_return(i,v) (__atomic64_add_return(-((s64)(i)),(v))) -#define atomic64_inc_return(v) (__atomic64_add_return( 1,(v))) -#define atomic64_dec_return(v) (__atomic64_add_return( -1,(v))) +#define atomic64_inc_return(v) (atomic64_add_return( 1,(v))) +#define atomic64_dec_return(v) (atomic64_add_return( -1,(v))) #define atomic64_add_negative(a, v) (atomic64_add_return((a), (v)) < 0) diff --git a/arch/parisc/include/asm/processor.h b/arch/parisc/include/asm/processor.h index d951c9681ab3..689a8ade3606 100644 --- a/arch/parisc/include/asm/processor.h +++ b/arch/parisc/include/asm/processor.h @@ -338,6 +338,7 @@ extern unsigned long get_wchan(struct task_struct *p); #define KSTK_ESP(tsk) ((tsk)->thread.regs.gr[30]) #define cpu_relax() barrier() +#define cpu_relax_lowlatency() cpu_relax() /* Used as a macro to identify the combined VIPT/PIPT cached * CPUs which require a guarantee of coherency (no inequivalent diff --git a/arch/parisc/include/asm/seccomp.h b/arch/parisc/include/asm/seccomp.h new file mode 100644 index 000000000000..015f7887aa29 --- /dev/null +++ b/arch/parisc/include/asm/seccomp.h @@ -0,0 +1,16 @@ +#ifndef _ASM_PARISC_SECCOMP_H +#define _ASM_PARISC_SECCOMP_H + +#include <linux/unistd.h> + +#define __NR_seccomp_read __NR_read +#define __NR_seccomp_write __NR_write +#define __NR_seccomp_exit __NR_exit +#define __NR_seccomp_sigreturn __NR_rt_sigreturn + +#define __NR_seccomp_read_32 __NR_read +#define __NR_seccomp_write_32 __NR_write +#define __NR_seccomp_exit_32 __NR_exit +#define __NR_seccomp_sigreturn_32 __NR_rt_sigreturn + +#endif /* _ASM_PARISC_SECCOMP_H */ diff --git a/arch/parisc/include/asm/thread_info.h b/arch/parisc/include/asm/thread_info.h index 4b9b10ce1f9d..a84611835549 100644 --- a/arch/parisc/include/asm/thread_info.h +++ b/arch/parisc/include/asm/thread_info.h @@ -60,6 +60,7 @@ struct thread_info { #define TIF_NOTIFY_RESUME 8 /* callback before returning to user */ #define TIF_SINGLESTEP 9 /* single stepping? */ #define TIF_BLOCKSTEP 10 /* branch stepping? */ +#define TIF_SECCOMP 11 /* secure computing */ #define _TIF_SYSCALL_TRACE (1 << TIF_SYSCALL_TRACE) #define _TIF_SIGPENDING (1 << TIF_SIGPENDING) @@ -70,11 +71,13 @@ struct thread_info { #define _TIF_NOTIFY_RESUME (1 << TIF_NOTIFY_RESUME) #define _TIF_SINGLESTEP (1 << TIF_SINGLESTEP) #define _TIF_BLOCKSTEP (1 << TIF_BLOCKSTEP) +#define _TIF_SECCOMP (1 << TIF_SECCOMP) #define _TIF_USER_WORK_MASK (_TIF_SIGPENDING | _TIF_NOTIFY_RESUME | \ _TIF_NEED_RESCHED) #define _TIF_SYSCALL_TRACE_MASK (_TIF_SYSCALL_TRACE | _TIF_SINGLESTEP | \ - _TIF_BLOCKSTEP | _TIF_SYSCALL_AUDIT) + _TIF_BLOCKSTEP | _TIF_SYSCALL_AUDIT | \ + _TIF_SECCOMP) #ifdef CONFIG_64BIT # ifdef CONFIG_COMPAT diff --git a/arch/parisc/include/uapi/asm/ioctls.h b/arch/parisc/include/uapi/asm/ioctls.h index 66719c38a36b..b6572f051b67 100644 --- a/arch/parisc/include/uapi/asm/ioctls.h +++ b/arch/parisc/include/uapi/asm/ioctls.h @@ -50,6 +50,8 @@ #define TCSETS2 _IOW('T',0x2B, struct termios2) #define TCSETSW2 _IOW('T',0x2C, struct termios2) #define TCSETSF2 _IOW('T',0x2D, struct termios2) +#define TIOCGRS485 _IOR('T', 0x2E, struct serial_rs485) +#define TIOCSRS485 _IOWR('T', 0x2F, struct serial_rs485) #define TIOCGPTN _IOR('T',0x30, unsigned int) /* Get Pty Number (of pty-mux device) */ #define TIOCSPTLCK _IOW('T',0x31, int) /* Lock/unlock Pty */ #define TIOCGDEV _IOR('T',0x32, int) /* Get primary device node of /dev/console */ diff --git a/arch/parisc/include/uapi/asm/signal.h b/arch/parisc/include/uapi/asm/signal.h index f5645d6a89f2..10df7079f4cd 100644 --- a/arch/parisc/include/uapi/asm/signal.h +++ b/arch/parisc/include/uapi/asm/signal.h @@ -8,12 +8,12 @@ #define SIGTRAP 5 #define SIGABRT 6 #define SIGIOT 6 -#define SIGEMT 7 +#define SIGSTKFLT 7 #define SIGFPE 8 #define SIGKILL 9 #define SIGBUS 10 #define SIGSEGV 11 -#define SIGSYS 12 /* Linux doesn't use this */ +#define SIGXCPU 12 #define SIGPIPE 13 #define SIGALRM 14 #define SIGTERM 15 @@ -32,16 +32,12 @@ #define SIGTTIN 27 #define SIGTTOU 28 #define SIGURG 29 -#define SIGLOST 30 /* Linux doesn't use this either */ -#define SIGUNUSED 31 -#define SIGRESERVE SIGUNUSED - -#define SIGXCPU 33 -#define SIGXFSZ 34 -#define SIGSTKFLT 36 +#define SIGXFSZ 30 +#define SIGUNUSED 31 +#define SIGSYS 31 /* Linux doesn't use this */ /* These should not be considered constants from userland. */ -#define SIGRTMIN 37 +#define SIGRTMIN 32 #define SIGRTMAX _NSIG /* it's 44 under HP/UX */ /* diff --git a/arch/parisc/include/uapi/asm/unistd.h b/arch/parisc/include/uapi/asm/unistd.h index 47e0e21d2272..8667f18be238 100644 --- a/arch/parisc/include/uapi/asm/unistd.h +++ b/arch/parisc/include/uapi/asm/unistd.h @@ -830,8 +830,11 @@ #define __NR_sched_getattr (__NR_Linux + 335) #define __NR_utimes (__NR_Linux + 336) #define __NR_renameat2 (__NR_Linux + 337) +#define __NR_seccomp (__NR_Linux + 338) +#define __NR_getrandom (__NR_Linux + 339) +#define __NR_memfd_create (__NR_Linux + 340) -#define __NR_Linux_syscalls (__NR_renameat2 + 1) +#define __NR_Linux_syscalls (__NR_memfd_create + 1) #define __IGNORE_select /* newselect */ |