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authorLinus Torvalds <torvalds@g5.osdl.org>2006-01-31 10:20:49 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2006-01-31 10:20:49 -0800
commitf7dd16bf3a2e7e29670051a2488d4be1895e408d (patch)
tree8778621ad8bf9bec35d285c4a7aa423609771bea
parent951069e311a2a931bf7c9d838db860f90bf14c45 (diff)
parent22f01da398069e823e79f1209518f0913e05fc47 (diff)
Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6
-rw-r--r--arch/sparc/kernel/entry.S2
-rw-r--r--arch/sparc/math-emu/math.c10
-rw-r--r--arch/sparc64/kernel/entry.S2
-rw-r--r--arch/sparc64/kernel/sys32.S1
-rw-r--r--arch/sparc64/kernel/systbls.S2
-rw-r--r--include/asm-sparc64/spinlock.h24
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)