diff options
Diffstat (limited to 'arch/s390/include')
-rw-r--r-- | arch/s390/include/asm/atomic.h | 2 | ||||
-rw-r--r-- | arch/s390/include/asm/bitsperlong.h | 13 | ||||
-rw-r--r-- | arch/s390/include/asm/compat.h | 19 | ||||
-rw-r--r-- | arch/s390/include/asm/cpu.h | 32 | ||||
-rw-r--r-- | arch/s390/include/asm/cputime.h | 19 | ||||
-rw-r--r-- | arch/s390/include/asm/ftrace.h | 21 | ||||
-rw-r--r-- | arch/s390/include/asm/lowcore.h | 9 | ||||
-rw-r--r-- | arch/s390/include/asm/mman.h | 2 | ||||
-rw-r--r-- | arch/s390/include/asm/page.h | 2 | ||||
-rw-r--r-- | arch/s390/include/asm/pgtable.h | 7 | ||||
-rw-r--r-- | arch/s390/include/asm/seccomp.h | 16 | ||||
-rw-r--r-- | arch/s390/include/asm/signal.h | 2 | ||||
-rw-r--r-- | arch/s390/include/asm/spinlock.h | 19 | ||||
-rw-r--r-- | arch/s390/include/asm/suspend.h | 5 | ||||
-rw-r--r-- | arch/s390/include/asm/syscall.h | 1 | ||||
-rw-r--r-- | arch/s390/include/asm/termios.h | 2 | ||||
-rw-r--r-- | arch/s390/include/asm/thread_info.h | 12 | ||||
-rw-r--r-- | arch/s390/include/asm/types.h | 6 | ||||
-rw-r--r-- | arch/s390/include/asm/uaccess.h | 16 | ||||
-rw-r--r-- | arch/s390/include/asm/unistd.h | 4 |
20 files changed, 140 insertions, 69 deletions
diff --git a/arch/s390/include/asm/atomic.h b/arch/s390/include/asm/atomic.h index de432f2de2d2..fca9dffcc669 100644 --- a/arch/s390/include/asm/atomic.h +++ b/arch/s390/include/asm/atomic.h @@ -275,6 +275,6 @@ static __inline__ int atomic64_add_unless(atomic64_t *v, #define smp_mb__before_atomic_inc() smp_mb() #define smp_mb__after_atomic_inc() smp_mb() -#include <asm-generic/atomic.h> +#include <asm-generic/atomic-long.h> #endif /* __KERNEL__ */ #endif /* __ARCH_S390_ATOMIC__ */ diff --git a/arch/s390/include/asm/bitsperlong.h b/arch/s390/include/asm/bitsperlong.h new file mode 100644 index 000000000000..6b235aea9c66 --- /dev/null +++ b/arch/s390/include/asm/bitsperlong.h @@ -0,0 +1,13 @@ +#ifndef __ASM_S390_BITSPERLONG_H +#define __ASM_S390_BITSPERLONG_H + +#ifndef __s390x__ +#define __BITS_PER_LONG 32 +#else +#define __BITS_PER_LONG 64 +#endif + +#include <asm-generic/bitsperlong.h> + +#endif /* __ASM_S390_BITSPERLONG_H */ + diff --git a/arch/s390/include/asm/compat.h b/arch/s390/include/asm/compat.h index de065b32381a..01a08020bc0e 100644 --- a/arch/s390/include/asm/compat.h +++ b/arch/s390/include/asm/compat.h @@ -5,6 +5,7 @@ */ #include <linux/types.h> #include <linux/sched.h> +#include <linux/thread_info.h> #define PSW32_MASK_PER 0x40000000UL #define PSW32_MASK_DAT 0x04000000UL @@ -163,12 +164,28 @@ static inline compat_uptr_t ptr_to_compat(void __user *uptr) return (u32)(unsigned long)uptr; } +#ifdef CONFIG_COMPAT + +static inline int is_compat_task(void) +{ + return test_thread_flag(TIF_31BIT); +} + +#else + +static inline int is_compat_task(void) +{ + return 0; +} + +#endif + static inline void __user *compat_alloc_user_space(long len) { unsigned long stack; stack = KSTK_ESP(current); - if (test_thread_flag(TIF_31BIT)) + if (is_compat_task()) stack &= 0x7fffffffUL; return (void __user *) (stack - len); } diff --git a/arch/s390/include/asm/cpu.h b/arch/s390/include/asm/cpu.h deleted file mode 100644 index d60a2eefb17b..000000000000 --- a/arch/s390/include/asm/cpu.h +++ /dev/null @@ -1,32 +0,0 @@ -/* - * include/asm-s390/cpu.h - * - * Copyright IBM Corp. 2007 - * Author(s): Heiko Carstens <heiko.carstens@de.ibm.com> - */ - -#ifndef _ASM_S390_CPU_H_ -#define _ASM_S390_CPU_H_ - -#include <linux/types.h> -#include <linux/percpu.h> -#include <linux/spinlock.h> - -struct s390_idle_data { - spinlock_t lock; - unsigned long long idle_count; - unsigned long long idle_enter; - unsigned long long idle_time; -}; - -DECLARE_PER_CPU(struct s390_idle_data, s390_idle); - -void vtime_start_cpu(void); - -static inline void s390_idle_check(void) -{ - if ((&__get_cpu_var(s390_idle))->idle_enter != 0ULL) - vtime_start_cpu(); -} - -#endif /* _ASM_S390_CPU_H_ */ diff --git a/arch/s390/include/asm/cputime.h b/arch/s390/include/asm/cputime.h index 941384fbd39c..ec917d42ee6d 100644 --- a/arch/s390/include/asm/cputime.h +++ b/arch/s390/include/asm/cputime.h @@ -9,6 +9,9 @@ #ifndef _S390_CPUTIME_H #define _S390_CPUTIME_H +#include <linux/types.h> +#include <linux/percpu.h> +#include <linux/spinlock.h> #include <asm/div64.h> /* We want to use full resolution of the CPU timer: 2**-12 micro-seconds. */ @@ -174,8 +177,24 @@ cputime64_to_clock_t(cputime64_t cputime) return __div(cputime, 4096000000ULL / USER_HZ); } +struct s390_idle_data { + spinlock_t lock; + unsigned long long idle_count; + unsigned long long idle_enter; + unsigned long long idle_time; +}; + +DECLARE_PER_CPU(struct s390_idle_data, s390_idle); + +void vtime_start_cpu(void); cputime64_t s390_get_idle_time(int cpu); #define arch_idle_time(cpu) s390_get_idle_time(cpu) +static inline void s390_idle_check(void) +{ + if ((&__get_cpu_var(s390_idle))->idle_enter != 0ULL) + vtime_start_cpu(); +} + #endif /* _S390_CPUTIME_H */ diff --git a/arch/s390/include/asm/ftrace.h b/arch/s390/include/asm/ftrace.h index 5a5bc75e19d4..96c14a9102b8 100644 --- a/arch/s390/include/asm/ftrace.h +++ b/arch/s390/include/asm/ftrace.h @@ -2,7 +2,28 @@ #define _ASM_S390_FTRACE_H #ifndef __ASSEMBLY__ + extern void _mcount(void); +extern unsigned long ftrace_dyn_func; + +struct dyn_arch_ftrace { }; + +#define MCOUNT_ADDR ((long)_mcount) + +#ifdef CONFIG_64BIT +#define MCOUNT_OFFSET_RET 18 +#define MCOUNT_INSN_SIZE 24 +#define MCOUNT_OFFSET 14 +#else +#define MCOUNT_OFFSET_RET 26 +#define MCOUNT_INSN_SIZE 30 +#define MCOUNT_OFFSET 8 #endif +static inline unsigned long ftrace_call_adjust(unsigned long addr) +{ + return addr - MCOUNT_OFFSET; +} + +#endif /* __ASSEMBLY__ */ #endif /* _ASM_S390_FTRACE_H */ diff --git a/arch/s390/include/asm/lowcore.h b/arch/s390/include/asm/lowcore.h index 3aeca492b147..5046ad6b7a63 100644 --- a/arch/s390/include/asm/lowcore.h +++ b/arch/s390/include/asm/lowcore.h @@ -30,6 +30,7 @@ #define __LC_SUBCHANNEL_NR 0x00ba #define __LC_IO_INT_PARM 0x00bc #define __LC_IO_INT_WORD 0x00c0 +#define __LC_STFL_FAC_LIST 0x00c8 #define __LC_MCCK_CODE 0x00e8 #define __LC_DUMP_REIPL 0x0e00 @@ -67,6 +68,7 @@ #define __LC_CPUID 0x02b0 #define __LC_INT_CLOCK 0x02c8 #define __LC_MACHINE_FLAGS 0x02d8 +#define __LC_FTRACE_FUNC 0x02dc #define __LC_IRB 0x0300 #define __LC_PFAULT_INTPARM 0x0080 #define __LC_CPU_TIMER_SAVE_AREA 0x00d8 @@ -112,6 +114,7 @@ #define __LC_INT_CLOCK 0x0340 #define __LC_VDSO_PER_CPU 0x0350 #define __LC_MACHINE_FLAGS 0x0358 +#define __LC_FTRACE_FUNC 0x0360 #define __LC_IRB 0x0380 #define __LC_PASTE 0x03c0 #define __LC_PFAULT_INTPARM 0x11b8 @@ -280,7 +283,8 @@ struct _lowcore __u64 int_clock; /* 0x02c8 */ __u64 clock_comparator; /* 0x02d0 */ __u32 machine_flags; /* 0x02d8 */ - __u8 pad_0x02dc[0x0300-0x02dc]; /* 0x02dc */ + __u32 ftrace_func; /* 0x02dc */ + __u8 pad_0x02f0[0x0300-0x02f0]; /* 0x02f0 */ /* Interrupt response block */ __u8 irb[64]; /* 0x0300 */ @@ -385,7 +389,8 @@ struct _lowcore __u64 clock_comparator; /* 0x0348 */ __u64 vdso_per_cpu_data; /* 0x0350 */ __u64 machine_flags; /* 0x0358 */ - __u8 pad_0x0360[0x0380-0x0360]; /* 0x0360 */ + __u64 ftrace_func; /* 0x0360 */ + __u8 pad_0x0368[0x0380-0x0368]; /* 0x0368 */ /* Interrupt response block. */ __u8 irb[64]; /* 0x0380 */ diff --git a/arch/s390/include/asm/mman.h b/arch/s390/include/asm/mman.h index da01432e8f44..f63fe7b431ed 100644 --- a/arch/s390/include/asm/mman.h +++ b/arch/s390/include/asm/mman.h @@ -9,7 +9,7 @@ #ifndef __S390_MMAN_H__ #define __S390_MMAN_H__ -#include <asm-generic/mman.h> +#include <asm-generic/mman-common.h> #define MAP_GROWSDOWN 0x0100 /* stack-like segment */ #define MAP_DENYWRITE 0x0800 /* ETXTBSY */ diff --git a/arch/s390/include/asm/page.h b/arch/s390/include/asm/page.h index 32e8f6aa4384..3e3594d01f83 100644 --- a/arch/s390/include/asm/page.h +++ b/arch/s390/include/asm/page.h @@ -150,7 +150,7 @@ void arch_alloc_page(struct page *page, int order); VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC) #include <asm-generic/memory_model.h> -#include <asm-generic/page.h> +#include <asm-generic/getorder.h> #define __HAVE_ARCH_GATE_AREA 1 diff --git a/arch/s390/include/asm/pgtable.h b/arch/s390/include/asm/pgtable.h index 5caddd4f7bed..60a7b1a1702f 100644 --- a/arch/s390/include/asm/pgtable.h +++ b/arch/s390/include/asm/pgtable.h @@ -112,12 +112,15 @@ extern char empty_zero_page[PAGE_SIZE]; * effect, this also makes sure that 64 bit module code cannot be used * as system call address. */ + +extern unsigned long VMALLOC_START; + #ifndef __s390x__ -#define VMALLOC_START 0x78000000UL +#define VMALLOC_SIZE (96UL << 20) #define VMALLOC_END 0x7e000000UL #define VMEM_MAP_END 0x80000000UL #else /* __s390x__ */ -#define VMALLOC_START 0x3e000000000UL +#define VMALLOC_SIZE (1UL << 30) #define VMALLOC_END 0x3e040000000UL #define VMEM_MAP_END 0x40000000000UL #endif /* __s390x__ */ diff --git a/arch/s390/include/asm/seccomp.h b/arch/s390/include/asm/seccomp.h new file mode 100644 index 000000000000..781a9cf9b002 --- /dev/null +++ b/arch/s390/include/asm/seccomp.h @@ -0,0 +1,16 @@ +#ifndef _ASM_S390_SECCOMP_H +#define _ASM_S390_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_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_sigreturn + +#endif /* _ASM_S390_SECCOMP_H */ diff --git a/arch/s390/include/asm/signal.h b/arch/s390/include/asm/signal.h index f6cfddb278cb..cdf5cb2fe03f 100644 --- a/arch/s390/include/asm/signal.h +++ b/arch/s390/include/asm/signal.h @@ -115,7 +115,7 @@ typedef unsigned long sigset_t; #define MINSIGSTKSZ 2048 #define SIGSTKSZ 8192 -#include <asm-generic/signal.h> +#include <asm-generic/signal-defs.h> #ifdef __KERNEL__ struct old_sigaction { diff --git a/arch/s390/include/asm/spinlock.h b/arch/s390/include/asm/spinlock.h index f3861b09ebb0..c9af0d19c7ab 100644 --- a/arch/s390/include/asm/spinlock.h +++ b/arch/s390/include/asm/spinlock.h @@ -122,8 +122,10 @@ static inline void __raw_spin_unlock(raw_spinlock_t *lp) #define __raw_write_can_lock(x) ((x)->lock == 0) extern void _raw_read_lock_wait(raw_rwlock_t *lp); +extern void _raw_read_lock_wait_flags(raw_rwlock_t *lp, unsigned long flags); extern int _raw_read_trylock_retry(raw_rwlock_t *lp); extern void _raw_write_lock_wait(raw_rwlock_t *lp); +extern void _raw_write_lock_wait_flags(raw_rwlock_t *lp, unsigned long flags); extern int _raw_write_trylock_retry(raw_rwlock_t *lp); static inline void __raw_read_lock(raw_rwlock_t *rw) @@ -134,6 +136,14 @@ static inline void __raw_read_lock(raw_rwlock_t *rw) _raw_read_lock_wait(rw); } +static inline void __raw_read_lock_flags(raw_rwlock_t *rw, unsigned long flags) +{ + unsigned int old; + old = rw->lock & 0x7fffffffU; + if (_raw_compare_and_swap(&rw->lock, old, old + 1) != old) + _raw_read_lock_wait_flags(rw, flags); +} + static inline void __raw_read_unlock(raw_rwlock_t *rw) { unsigned int old, cmp; @@ -151,6 +161,12 @@ static inline void __raw_write_lock(raw_rwlock_t *rw) _raw_write_lock_wait(rw); } +static inline void __raw_write_lock_flags(raw_rwlock_t *rw, unsigned long flags) +{ + if (unlikely(_raw_compare_and_swap(&rw->lock, 0, 0x80000000) != 0)) + _raw_write_lock_wait_flags(rw, flags); +} + static inline void __raw_write_unlock(raw_rwlock_t *rw) { _raw_compare_and_swap(&rw->lock, 0x80000000, 0); @@ -172,9 +188,6 @@ static inline int __raw_write_trylock(raw_rwlock_t *rw) return _raw_write_trylock_retry(rw); } -#define __raw_read_lock_flags(lock, flags) __raw_read_lock(lock) -#define __raw_write_lock_flags(lock, flags) __raw_write_lock(lock) - #define _raw_read_relax(lock) cpu_relax() #define _raw_write_relax(lock) cpu_relax() diff --git a/arch/s390/include/asm/suspend.h b/arch/s390/include/asm/suspend.h deleted file mode 100644 index 1f34580e67a7..000000000000 --- a/arch/s390/include/asm/suspend.h +++ /dev/null @@ -1,5 +0,0 @@ -#ifndef __ASM_S390_SUSPEND_H -#define __ASM_S390_SUSPEND_H - -#endif - diff --git a/arch/s390/include/asm/syscall.h b/arch/s390/include/asm/syscall.h index 2429b87eb28d..e0a73d3eb837 100644 --- a/arch/s390/include/asm/syscall.h +++ b/arch/s390/include/asm/syscall.h @@ -12,6 +12,7 @@ #ifndef _ASM_SYSCALL_H #define _ASM_SYSCALL_H 1 +#include <linux/sched.h> #include <asm/ptrace.h> static inline long syscall_get_nr(struct task_struct *task, diff --git a/arch/s390/include/asm/termios.h b/arch/s390/include/asm/termios.h index 67f66278f533..bc3a35cefc96 100644 --- a/arch/s390/include/asm/termios.h +++ b/arch/s390/include/asm/termios.h @@ -60,7 +60,7 @@ struct termio { #define user_termios_to_kernel_termios(k, u) copy_from_user(k, u, sizeof(struct termios2)) #define kernel_termios_to_user_termios(u, k) copy_to_user(u, k, sizeof(struct termios2)) -#include <asm-generic/termios.h> +#include <asm-generic/termios-base.h> #endif /* __KERNEL__ */ diff --git a/arch/s390/include/asm/thread_info.h b/arch/s390/include/asm/thread_info.h index 461f2abd2e6f..925bcc649035 100644 --- a/arch/s390/include/asm/thread_info.h +++ b/arch/s390/include/asm/thread_info.h @@ -83,14 +83,16 @@ static inline struct thread_info *current_thread_info(void) /* * thread information flags bit numbers */ -#define TIF_SYSCALL_TRACE 0 /* syscall trace active */ #define TIF_NOTIFY_RESUME 1 /* callback before returning to user */ #define TIF_SIGPENDING 2 /* signal pending */ #define TIF_NEED_RESCHED 3 /* rescheduling necessary */ #define TIF_RESTART_SVC 4 /* restart svc with new svc number */ -#define TIF_SYSCALL_AUDIT 5 /* syscall auditing active */ #define TIF_SINGLE_STEP 6 /* deliver sigtrap on return to user */ #define TIF_MCCK_PENDING 7 /* machine check handling is pending */ +#define TIF_SYSCALL_TRACE 8 /* syscall trace active */ +#define TIF_SYSCALL_AUDIT 9 /* syscall auditing active */ +#define TIF_SECCOMP 10 /* secure computing */ +#define TIF_SYSCALL_FTRACE 11 /* ftrace syscall instrumentation */ #define TIF_USEDFPU 16 /* FPU was used by this task this quantum (SMP) */ #define TIF_POLLING_NRFLAG 17 /* true if poll_idle() is polling TIF_NEED_RESCHED */ @@ -99,15 +101,17 @@ static inline struct thread_info *current_thread_info(void) #define TIF_RESTORE_SIGMASK 20 /* restore signal mask in do_signal() */ #define TIF_FREEZE 21 /* thread is freezing for suspend */ -#define _TIF_SYSCALL_TRACE (1<<TIF_SYSCALL_TRACE) #define _TIF_NOTIFY_RESUME (1<<TIF_NOTIFY_RESUME) #define _TIF_RESTORE_SIGMASK (1<<TIF_RESTORE_SIGMASK) #define _TIF_SIGPENDING (1<<TIF_SIGPENDING) #define _TIF_NEED_RESCHED (1<<TIF_NEED_RESCHED) #define _TIF_RESTART_SVC (1<<TIF_RESTART_SVC) -#define _TIF_SYSCALL_AUDIT (1<<TIF_SYSCALL_AUDIT) #define _TIF_SINGLE_STEP (1<<TIF_SINGLE_STEP) #define _TIF_MCCK_PENDING (1<<TIF_MCCK_PENDING) +#define _TIF_SYSCALL_TRACE (1<<TIF_SYSCALL_TRACE) +#define _TIF_SYSCALL_AUDIT (1<<TIF_SYSCALL_AUDIT) +#define _TIF_SECCOMP (1<<TIF_SECCOMP) +#define _TIF_SYSCALL_FTRACE (1<<TIF_SYSCALL_FTRACE) #define _TIF_USEDFPU (1<<TIF_USEDFPU) #define _TIF_POLLING_NRFLAG (1<<TIF_POLLING_NRFLAG) #define _TIF_31BIT (1<<TIF_31BIT) diff --git a/arch/s390/include/asm/types.h b/arch/s390/include/asm/types.h index 3dc3fc228812..04d6b95a89c6 100644 --- a/arch/s390/include/asm/types.h +++ b/arch/s390/include/asm/types.h @@ -28,12 +28,6 @@ typedef __signed__ long saddr_t; */ #ifdef __KERNEL__ -#ifndef __s390x__ -#define BITS_PER_LONG 32 -#else -#define BITS_PER_LONG 64 -#endif - #ifndef __ASSEMBLY__ typedef u64 dma64_addr_t; diff --git a/arch/s390/include/asm/uaccess.h b/arch/s390/include/asm/uaccess.h index 0235970278f0..8377e91533d2 100644 --- a/arch/s390/include/asm/uaccess.h +++ b/arch/s390/include/asm/uaccess.h @@ -131,7 +131,7 @@ static inline int __get_user_fn(size_t size, const void __user *ptr, void *x) #define put_user(x, ptr) \ ({ \ - might_sleep(); \ + might_fault(); \ __put_user(x, ptr); \ }) @@ -180,7 +180,7 @@ extern int __put_user_bad(void) __attribute__((noreturn)); #define get_user(x, ptr) \ ({ \ - might_sleep(); \ + might_fault(); \ __get_user(x, ptr); \ }) @@ -231,7 +231,7 @@ __copy_to_user(void __user *to, const void *from, unsigned long n) static inline unsigned long __must_check copy_to_user(void __user *to, const void *from, unsigned long n) { - might_sleep(); + might_fault(); if (access_ok(VERIFY_WRITE, to, n)) n = __copy_to_user(to, from, n); return n; @@ -282,7 +282,7 @@ __copy_from_user(void *to, const void __user *from, unsigned long n) static inline unsigned long __must_check copy_from_user(void *to, const void __user *from, unsigned long n) { - might_sleep(); + might_fault(); if (access_ok(VERIFY_READ, from, n)) n = __copy_from_user(to, from, n); else @@ -299,7 +299,7 @@ __copy_in_user(void __user *to, const void __user *from, unsigned long n) static inline unsigned long __must_check copy_in_user(void __user *to, const void __user *from, unsigned long n) { - might_sleep(); + might_fault(); if (__access_ok(from,n) && __access_ok(to,n)) n = __copy_in_user(to, from, n); return n; @@ -312,7 +312,7 @@ static inline long __must_check strncpy_from_user(char *dst, const char __user *src, long count) { long res = -EFAULT; - might_sleep(); + might_fault(); if (access_ok(VERIFY_READ, src, 1)) res = uaccess.strncpy_from_user(count, src, dst); return res; @@ -321,7 +321,7 @@ strncpy_from_user(char *dst, const char __user *src, long count) static inline unsigned long strnlen_user(const char __user * src, unsigned long n) { - might_sleep(); + might_fault(); return uaccess.strnlen_user(n, src); } @@ -354,7 +354,7 @@ __clear_user(void __user *to, unsigned long n) static inline unsigned long __must_check clear_user(void __user *to, unsigned long n) { - might_sleep(); + might_fault(); if (access_ok(VERIFY_WRITE, to, n)) n = uaccess.clear_user(n, to); return n; diff --git a/arch/s390/include/asm/unistd.h b/arch/s390/include/asm/unistd.h index f0f19e6ace6c..c80602d7c880 100644 --- a/arch/s390/include/asm/unistd.h +++ b/arch/s390/include/asm/unistd.h @@ -267,7 +267,9 @@ #define __NR_epoll_create1 327 #define __NR_preadv 328 #define __NR_pwritev 329 -#define NR_syscalls 330 +#define __NR_rt_tgsigqueueinfo 330 +#define __NR_perf_counter_open 331 +#define NR_syscalls 332 /* * There are some system calls that are not present on 64 bit, some |