diff options
| -rw-r--r-- | arch/sparc/kernel/entry.S | 2 | ||||
| -rw-r--r-- | arch/sparc/math-emu/math.c | 10 | ||||
| -rw-r--r-- | arch/sparc64/kernel/entry.S | 2 | ||||
| -rw-r--r-- | arch/sparc64/kernel/sys32.S | 1 | ||||
| -rw-r--r-- | arch/sparc64/kernel/systbls.S | 2 | ||||
| -rw-r--r-- | include/asm-sparc64/spinlock.h | 24 |
6 files changed, 26 insertions, 15 deletions
diff --git a/arch/sparc/kernel/entry.S b/arch/sparc/kernel/entry.S index c51d08d218e..267ec8f6fb5 100644 --- a/arch/sparc/kernel/entry.S +++ b/arch/sparc/kernel/entry.S @@ -38,7 +38,7 @@ #define curptr g6 -#define NR_SYSCALLS 284 /* Each OS is different... */ +#define NR_SYSCALLS 299 /* Each OS is different... */ /* These are just handy. */ #define _SV save %sp, -STACKFRAME_SZ, %sp diff --git a/arch/sparc/math-emu/math.c b/arch/sparc/math-emu/math.c index be2c80932e2..8613b3eb877 100644 --- a/arch/sparc/math-emu/math.c +++ b/arch/sparc/math-emu/math.c @@ -323,11 +323,6 @@ static int do_one_mathemu(u32 insn, unsigned long *pfsr, unsigned long *fregs) case FMOVS: case FABSS: case FNEGS: TYPE(2,1,0,1,0,0,0); break; - default: -#ifdef DEBUG_MATHEMU - printk("unknown FPop1: %03lx\n",(insn>>5)&0x1ff); -#endif - break; } } else if ((insn & 0xc1f80000) == 0x81a80000) /* FPOP2 */ { switch ((insn >> 5) & 0x1ff) { @@ -337,11 +332,6 @@ static int do_one_mathemu(u32 insn, unsigned long *pfsr, unsigned long *fregs) case FCMPED: TYPE(3,0,0,2,1,2,1); break; case FCMPQ: TYPE(3,0,0,3,1,3,1); break; case FCMPEQ: TYPE(3,0,0,3,1,3,1); break; - default: -#ifdef DEBUG_MATHEMU - printk("unknown FPop2: %03lx\n",(insn>>5)&0x1ff); -#endif - break; } } diff --git a/arch/sparc64/kernel/entry.S b/arch/sparc64/kernel/entry.S index e50e56e4ab6..12911e7463f 100644 --- a/arch/sparc64/kernel/entry.S +++ b/arch/sparc64/kernel/entry.S @@ -25,7 +25,7 @@ #define curptr g6 -#define NR_SYSCALLS 284 /* Each OS is different... */ +#define NR_SYSCALLS 299 /* Each OS is different... */ .text .align 32 diff --git a/arch/sparc64/kernel/sys32.S b/arch/sparc64/kernel/sys32.S index 9cd272ac3ac..60b59375aa7 100644 --- a/arch/sparc64/kernel/sys32.S +++ b/arch/sparc64/kernel/sys32.S @@ -84,7 +84,6 @@ SIGN2(sys32_fadvise64_64, compat_sys_fadvise64_64, %o0, %o5) SIGN2(sys32_bdflush, sys_bdflush, %o0, %o1) SIGN1(sys32_mlockall, sys_mlockall, %o0) SIGN1(sys32_nfsservctl, compat_sys_nfsservctl, %o0) -SIGN1(sys32_clock_settime, compat_sys_clock_settime, %o1) SIGN1(sys32_clock_nanosleep, compat_sys_clock_nanosleep, %o1) SIGN1(sys32_timer_settime, compat_sys_timer_settime, %o1) SIGN1(sys32_io_submit, compat_sys_io_submit, %o1) diff --git a/arch/sparc64/kernel/systbls.S b/arch/sparc64/kernel/systbls.S index bf0fc5bfbfb..2881faf3663 100644 --- a/arch/sparc64/kernel/systbls.S +++ b/arch/sparc64/kernel/systbls.S @@ -71,7 +71,7 @@ sys_call_table32: /*240*/ .word sys_munlockall, sys32_sched_setparam, sys32_sched_getparam, sys32_sched_setscheduler, sys32_sched_getscheduler .word sys_sched_yield, sys32_sched_get_priority_max, sys32_sched_get_priority_min, sys32_sched_rr_get_interval, compat_sys_nanosleep /*250*/ .word sys32_mremap, sys32_sysctl, sys32_getsid, sys_fdatasync, sys32_nfsservctl - .word sys_ni_syscall, sys32_clock_settime, compat_sys_clock_gettime, compat_sys_clock_getres, sys32_clock_nanosleep + .word sys_ni_syscall, compat_sys_clock_settime, compat_sys_clock_gettime, compat_sys_clock_getres, sys32_clock_nanosleep /*260*/ .word compat_sys_sched_getaffinity, compat_sys_sched_setaffinity, sys32_timer_settime, compat_sys_timer_gettime, sys_timer_getoverrun .word sys_timer_delete, compat_sys_timer_create, sys_ni_syscall, compat_sys_io_setup, sys_io_destroy /*270*/ .word sys32_io_submit, sys_io_cancel, compat_sys_io_getevents, sys32_mq_open, sys_mq_unlink diff --git a/include/asm-sparc64/spinlock.h b/include/asm-sparc64/spinlock.h index ec85d12d73b..508c416e9d6 100644 --- a/include/asm-sparc64/spinlock.h +++ b/include/asm-sparc64/spinlock.h @@ -131,6 +131,28 @@ static void inline __read_lock(raw_rwlock_t *lock) : "memory"); } +static int inline __read_trylock(raw_rwlock_t *lock) +{ + int tmp1, tmp2; + + __asm__ __volatile__ ( +"1: ldsw [%2], %0\n" +" brlz,a,pn %0, 2f\n" +" mov 0, %0\n" +" add %0, 1, %1\n" +" cas [%2], %0, %1\n" +" cmp %0, %1\n" +" membar #StoreLoad | #StoreStore\n" +" bne,pn %%icc, 1b\n" +" mov 1, %0\n" +"2:" + : "=&r" (tmp1), "=&r" (tmp2) + : "r" (lock) + : "memory"); + + return tmp1; +} + static void inline __read_unlock(raw_rwlock_t *lock) { unsigned long tmp1, tmp2; @@ -211,12 +233,12 @@ static int inline __write_trylock(raw_rwlock_t *lock) } #define __raw_read_lock(p) __read_lock(p) +#define __raw_read_trylock(p) __read_trylock(p) #define __raw_read_unlock(p) __read_unlock(p) #define __raw_write_lock(p) __write_lock(p) #define __raw_write_unlock(p) __write_unlock(p) #define __raw_write_trylock(p) __write_trylock(p) -#define __raw_read_trylock(lock) generic__raw_read_trylock(lock) #define __raw_read_can_lock(rw) (!((rw)->lock & 0x80000000UL)) #define __raw_write_can_lock(rw) (!(rw)->lock) |