diff options
Diffstat (limited to 'arch/ia64')
| -rw-r--r-- | arch/ia64/include/asm/cmpxchg.h | 1 | ||||
| -rw-r--r-- | arch/ia64/include/asm/posix_types.h | 121 | ||||
| -rw-r--r-- | arch/ia64/kernel/asm-offsets.c | 4 | ||||
| -rw-r--r-- | arch/ia64/kernel/fsys.S | 2 | ||||
| -rw-r--r-- | arch/ia64/kernel/fsyscall_gtod_data.h | 2 | ||||
| -rw-r--r-- | arch/ia64/kernel/process.c | 1 | ||||
| -rw-r--r-- | arch/ia64/kernel/time.c | 10 |
7 files changed, 12 insertions, 129 deletions
diff --git a/arch/ia64/include/asm/cmpxchg.h b/arch/ia64/include/asm/cmpxchg.h new file mode 100644 index 000000000000..4c96187e2049 --- /dev/null +++ b/arch/ia64/include/asm/cmpxchg.h @@ -0,0 +1 @@ +#include <asm/intrinsics.h> diff --git a/arch/ia64/include/asm/posix_types.h b/arch/ia64/include/asm/posix_types.h index 17885567b731..7323ab9467eb 100644 --- a/arch/ia64/include/asm/posix_types.h +++ b/arch/ia64/include/asm/posix_types.h @@ -1,126 +1,11 @@ #ifndef _ASM_IA64_POSIX_TYPES_H #define _ASM_IA64_POSIX_TYPES_H -/* - * This file is generally used by user-level software, so you need to - * be a little careful about namespace pollution etc. Also, we cannot - * assume GCC is being used. - * - * Based on <asm-alpha/posix_types.h>. - * - * Modified 1998-2000, 2003 - * David Mosberger-Tang <davidm@hpl.hp.com>, Hewlett-Packard Co - */ - -typedef unsigned long __kernel_ino_t; -typedef unsigned int __kernel_mode_t; typedef unsigned int __kernel_nlink_t; -typedef long __kernel_off_t; -typedef long long __kernel_loff_t; -typedef int __kernel_pid_t; -typedef int __kernel_ipc_pid_t; -typedef unsigned int __kernel_uid_t; -typedef unsigned int __kernel_gid_t; -typedef unsigned long __kernel_size_t; -typedef long __kernel_ssize_t; -typedef long __kernel_ptrdiff_t; -typedef long __kernel_time_t; -typedef long __kernel_suseconds_t; -typedef long __kernel_clock_t; -typedef int __kernel_timer_t; -typedef int __kernel_clockid_t; -typedef int __kernel_daddr_t; -typedef char * __kernel_caddr_t; -typedef unsigned long __kernel_sigset_t; /* at least 32 bits */ -typedef unsigned short __kernel_uid16_t; -typedef unsigned short __kernel_gid16_t; - -typedef struct { - int val[2]; -} __kernel_fsid_t; - -typedef __kernel_uid_t __kernel_old_uid_t; -typedef __kernel_gid_t __kernel_old_gid_t; -typedef __kernel_uid_t __kernel_uid32_t; -typedef __kernel_gid_t __kernel_gid32_t; - -typedef unsigned int __kernel_old_dev_t; - -# ifdef __KERNEL__ - -# ifndef __GNUC__ - -#define __FD_SET(d, set) ((set)->fds_bits[__FDELT(d)] |= __FDMASK(d)) -#define __FD_CLR(d, set) ((set)->fds_bits[__FDELT(d)] &= ~__FDMASK(d)) -#define __FD_ISSET(d, set) (((set)->fds_bits[__FDELT(d)] & __FDMASK(d)) != 0) -#define __FD_ZERO(set) \ - ((void) memset ((void *) (set), 0, sizeof (__kernel_fd_set))) +#define __kernel_nlink_t __kernel_nlink_t -# else /* !__GNUC__ */ - -/* With GNU C, use inline functions instead so args are evaluated only once: */ - -#undef __FD_SET -static __inline__ void __FD_SET(unsigned long fd, __kernel_fd_set *fdsetp) -{ - unsigned long _tmp = fd / __NFDBITS; - unsigned long _rem = fd % __NFDBITS; - fdsetp->fds_bits[_tmp] |= (1UL<<_rem); -} - -#undef __FD_CLR -static __inline__ void __FD_CLR(unsigned long fd, __kernel_fd_set *fdsetp) -{ - unsigned long _tmp = fd / __NFDBITS; - unsigned long _rem = fd % __NFDBITS; - fdsetp->fds_bits[_tmp] &= ~(1UL<<_rem); -} - -#undef __FD_ISSET -static __inline__ int __FD_ISSET(unsigned long fd, const __kernel_fd_set *p) -{ - unsigned long _tmp = fd / __NFDBITS; - unsigned long _rem = fd % __NFDBITS; - return (p->fds_bits[_tmp] & (1UL<<_rem)) != 0; -} - -/* - * This will unroll the loop for the normal constant case (8 ints, - * for a 256-bit fd_set) - */ -#undef __FD_ZERO -static __inline__ void __FD_ZERO(__kernel_fd_set *p) -{ - unsigned long *tmp = p->fds_bits; - int i; - - if (__builtin_constant_p(__FDSET_LONGS)) { - switch (__FDSET_LONGS) { - case 16: - tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0; - tmp[ 4] = 0; tmp[ 5] = 0; tmp[ 6] = 0; tmp[ 7] = 0; - tmp[ 8] = 0; tmp[ 9] = 0; tmp[10] = 0; tmp[11] = 0; - tmp[12] = 0; tmp[13] = 0; tmp[14] = 0; tmp[15] = 0; - return; - - case 8: - tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0; - tmp[ 4] = 0; tmp[ 5] = 0; tmp[ 6] = 0; tmp[ 7] = 0; - return; +typedef unsigned long __kernel_sigset_t; /* at least 32 bits */ - case 4: - tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0; - return; - } - } - i = __FDSET_LONGS; - while (i) { - i--; - *tmp = 0; - tmp++; - } -} +#include <asm-generic/posix_types.h> -# endif /* !__GNUC__ */ -# endif /* __KERNEL__ */ #endif /* _ASM_IA64_POSIX_TYPES_H */ diff --git a/arch/ia64/kernel/asm-offsets.c b/arch/ia64/kernel/asm-offsets.c index af5650169043..a48bd9a9927b 100644 --- a/arch/ia64/kernel/asm-offsets.c +++ b/arch/ia64/kernel/asm-offsets.c @@ -269,8 +269,8 @@ void foo(void) BLANK(); /* used by fsys_gettimeofday in arch/ia64/kernel/fsys.S */ - DEFINE(IA64_GTOD_LOCK_OFFSET, - offsetof (struct fsyscall_gtod_data_t, lock)); + DEFINE(IA64_GTOD_SEQ_OFFSET, + offsetof (struct fsyscall_gtod_data_t, seq)); DEFINE(IA64_GTOD_WALL_TIME_OFFSET, offsetof (struct fsyscall_gtod_data_t, wall_time)); DEFINE(IA64_GTOD_MONO_TIME_OFFSET, diff --git a/arch/ia64/kernel/fsys.S b/arch/ia64/kernel/fsys.S index f15d8601827f..cc26edac0ec6 100644 --- a/arch/ia64/kernel/fsys.S +++ b/arch/ia64/kernel/fsys.S @@ -173,7 +173,7 @@ ENTRY(fsys_set_tid_address) FSYS_RETURN END(fsys_set_tid_address) -#if IA64_GTOD_LOCK_OFFSET !=0 +#if IA64_GTOD_SEQ_OFFSET !=0 #error fsys_gettimeofday incompatible with changes to struct fsyscall_gtod_data_t #endif #if IA64_ITC_JITTER_OFFSET !=0 diff --git a/arch/ia64/kernel/fsyscall_gtod_data.h b/arch/ia64/kernel/fsyscall_gtod_data.h index 57d2ee6c83e1..146b15b5fec3 100644 --- a/arch/ia64/kernel/fsyscall_gtod_data.h +++ b/arch/ia64/kernel/fsyscall_gtod_data.h @@ -6,7 +6,7 @@ */ struct fsyscall_gtod_data_t { - seqlock_t lock; + seqcount_t seq; struct timespec wall_time; struct timespec monotonic_time; cycle_t clk_mask; diff --git a/arch/ia64/kernel/process.c b/arch/ia64/kernel/process.c index 9dc52b63fc87..ce74e143aea3 100644 --- a/arch/ia64/kernel/process.c +++ b/arch/ia64/kernel/process.c @@ -38,6 +38,7 @@ #include <asm/pgalloc.h> #include <asm/processor.h> #include <asm/sal.h> +#include <asm/switch_to.h> #include <asm/tlbflush.h> #include <asm/uaccess.h> #include <asm/unwind.h> diff --git a/arch/ia64/kernel/time.c b/arch/ia64/kernel/time.c index aa94bdda9de8..ecc904b33c5f 100644 --- a/arch/ia64/kernel/time.c +++ b/arch/ia64/kernel/time.c @@ -34,9 +34,7 @@ static cycle_t itc_get_cycles(struct clocksource *cs); -struct fsyscall_gtod_data_t fsyscall_gtod_data = { - .lock = __SEQLOCK_UNLOCKED(fsyscall_gtod_data.lock), -}; +struct fsyscall_gtod_data_t fsyscall_gtod_data; struct itc_jitter_data_t itc_jitter_data; @@ -459,9 +457,7 @@ void update_vsyscall_tz(void) void update_vsyscall(struct timespec *wall, struct timespec *wtm, struct clocksource *c, u32 mult) { - unsigned long flags; - - write_seqlock_irqsave(&fsyscall_gtod_data.lock, flags); + write_seqcount_begin(&fsyscall_gtod_data.seq); /* copy fsyscall clock data */ fsyscall_gtod_data.clk_mask = c->mask; @@ -484,6 +480,6 @@ void update_vsyscall(struct timespec *wall, struct timespec *wtm, fsyscall_gtod_data.monotonic_time.tv_sec++; } - write_sequnlock_irqrestore(&fsyscall_gtod_data.lock, flags); + write_seqcount_end(&fsyscall_gtod_data.seq); } |