Pull release into acpica branch

8 files changed, 46 insertions, 58 deletions

diff --git a/include/asm-sparc/atomic.h b/include/asm-sparc/atomic.h
index accb4967e9d2..e1033170bd3a 100644
--- a/include/asm-sparc/atomic.h
+++ b/include/asm-sparc/atomic.h
@@ -20,6 +20,7 @@ typedef struct { volatile int counter; } atomic_t;
 
 extern int __atomic_add_return(int, atomic_t *);
 extern int atomic_cmpxchg(atomic_t *, int, int);
+#define atomic_xchg(v, new) (xchg(&((v)->counter), new))
 extern int atomic_add_unless(atomic_t *, int, int);
 extern void atomic_set(atomic_t *, int);
 
diff --git a/include/asm-sparc/cache.h b/include/asm-sparc/cache.h
index a10522cb21b7..cb971e88aea4 100644
--- a/include/asm-sparc/cache.h
+++ b/include/asm-sparc/cache.h
@@ -13,7 +13,6 @@
 #define L1_CACHE_SHIFT 5
 #define L1_CACHE_BYTES 32
 #define L1_CACHE_ALIGN(x) ((((x)+(L1_CACHE_BYTES-1))&~(L1_CACHE_BYTES-1)))
-#define L1_CACHE_SHIFT_MAX 5	/* largest L1 which this arch supports */
 
 #define SMP_CACHE_BYTES 32
 
diff --git a/include/asm-sparc/futex.h b/include/asm-sparc/futex.h
index 9feff4ce1424..6a332a9f099c 100644
--- a/include/asm-sparc/futex.h
+++ b/include/asm-sparc/futex.h
@@ -1,53 +1,6 @@
 #ifndef _ASM_FUTEX_H
 #define _ASM_FUTEX_H
 
-#ifdef __KERNEL__
+#include <asm-generic/futex.h>
 
-#include <linux/futex.h>
-#include <asm/errno.h>
-#include <asm/uaccess.h>
-
-static inline int
-futex_atomic_op_inuser (int encoded_op, int __user *uaddr)
-{
-	int op = (encoded_op >> 28) & 7;
-	int cmp = (encoded_op >> 24) & 15;
-	int oparg = (encoded_op << 8) >> 20;
-	int cmparg = (encoded_op << 20) >> 20;
-	int oldval = 0, ret;
-	if (encoded_op & (FUTEX_OP_OPARG_SHIFT << 28))
-		oparg = 1 << oparg;
-
-	if (! access_ok (VERIFY_WRITE, uaddr, sizeof(int)))
-		return -EFAULT;
-
-	inc_preempt_count();
-
-	switch (op) {
-	case FUTEX_OP_SET:
-	case FUTEX_OP_ADD:
-	case FUTEX_OP_OR:
-	case FUTEX_OP_ANDN:
-	case FUTEX_OP_XOR:
-	default:
-		ret = -ENOSYS;
-	}
-
-	dec_preempt_count();
-
-	if (!ret) {
-		switch (cmp) {
-		case FUTEX_OP_CMP_EQ: ret = (oldval == cmparg); break;
-		case FUTEX_OP_CMP_NE: ret = (oldval != cmparg); break;
-		case FUTEX_OP_CMP_LT: ret = (oldval < cmparg); break;
-		case FUTEX_OP_CMP_GE: ret = (oldval >= cmparg); break;
-		case FUTEX_OP_CMP_LE: ret = (oldval <= cmparg); break;
-		case FUTEX_OP_CMP_GT: ret = (oldval > cmparg); break;
-		default: ret = -ENOSYS;
-		}
-	}
-	return ret;
-}
-
-#endif
 #endif
diff --git a/include/asm-sparc/mutex.h b/include/asm-sparc/mutex.h
new file mode 100644
index 000000000000..458c1f7fbc18
--- /dev/null
+++ b/include/asm-sparc/mutex.h
@@ -0,0 +1,9 @@
+/*
+ * Pull in the generic implementation for the mutex fastpath.
+ *
+ * TODO: implement optimized primitives instead, or leave the generic
+ * implementation in place, or pick the atomic_xchg() based generic
+ * implementation. (see asm-generic/mutex-xchg.h for details)
+ */
+
+#include <asm-generic/mutex-dec.h>
diff --git a/include/asm-sparc/oplib.h b/include/asm-sparc/oplib.h
index 95944556d8b6..d0d76b30eb4c 100644
--- a/include/asm-sparc/oplib.h
+++ b/include/asm-sparc/oplib.h
@@ -164,6 +164,7 @@ enum prom_input_device {
 	PROMDEV_IKBD,			/* input from keyboard */
 	PROMDEV_ITTYA,			/* input from ttya */
 	PROMDEV_ITTYB,			/* input from ttyb */
+	PROMDEV_IRSC,			/* input from rsc */
 	PROMDEV_I_UNK,
 };
 
@@ -175,6 +176,7 @@ enum prom_output_device {
 	PROMDEV_OSCREEN,		/* to screen */
 	PROMDEV_OTTYA,			/* to ttya */
 	PROMDEV_OTTYB,			/* to ttyb */
+	PROMDEV_ORSC,			/* to rsc */
 	PROMDEV_O_UNK,
 };
 
diff --git a/include/asm-sparc/system.h b/include/asm-sparc/system.h
index 1f6b71f9e1b6..58dd162927bb 100644
--- a/include/asm-sparc/system.h
+++ b/include/asm-sparc/system.h
@@ -155,7 +155,7 @@ extern void fpsave(unsigned long *fpregs, unsigned long *fsr,
 	"here:\n"									\
         : "=&r" (last)									\
         : "r" (&(current_set[hard_smp_processor_id()])),	\
-	  "r" ((next)->thread_info),				\
+	  "r" (task_thread_info(next)),				\
 	  "i" (TI_KPSR),					\
 	  "i" (TI_KSP),						\
 	  "i" (TI_TASK)						\
@@ -166,6 +166,16 @@ extern void fpsave(unsigned long *fpregs, unsigned long *fsr,
 	} while(0)
 
 /*
+ * On SMP systems, when the scheduler does migration-cost autodetection,
+ * it needs a way to flush as much of the CPU's caches as possible.
+ *
+ * TODO: fill this in!
+ */
+static inline void sched_cacheflush(void)
+{
+}
+
+/*
  * Changing the IRQ level on the Sparc.
  */
 extern void local_irq_restore(unsigned long);
diff --git a/include/asm-sparc/thread_info.h b/include/asm-sparc/thread_info.h
index ff6ccb3d24c6..91b9f5888c85 100644
--- a/include/asm-sparc/thread_info.h
+++ b/include/asm-sparc/thread_info.h
@@ -92,9 +92,6 @@ BTFIXUPDEF_CALL(struct thread_info *, alloc_thread_info, void)
 BTFIXUPDEF_CALL(void, free_thread_info, struct thread_info *)
 #define free_thread_info(ti) BTFIXUP_CALL(free_thread_info)(ti)
 
-#define get_thread_info(ti)	get_task_struct((ti)->task)
-#define put_thread_info(ti)	put_task_struct((ti)->task)
-
 #endif /* __ASSEMBLY__ */
 
 /*
@@ -131,9 +128,10 @@ BTFIXUPDEF_CALL(void, free_thread_info, struct thread_info *)
  * thread information flag bit numbers
  */
 #define TIF_SYSCALL_TRACE	0	/* syscall trace active */
-#define TIF_NOTIFY_RESUME	1	/* resumption notification requested */
+/* flag bit 1 is available */
 #define TIF_SIGPENDING		2	/* signal pending */
 #define TIF_NEED_RESCHED	3	/* rescheduling necessary */
+#define TIF_RESTORE_SIGMASK	4	/* restore signal mask in do_signal() */
 #define TIF_USEDFPU		8	/* FPU was used by this task
 					 * this quantum (SMP) */
 #define TIF_POLLING_NRFLAG	9	/* true if poll_idle() is polling
@@ -142,9 +140,9 @@ BTFIXUPDEF_CALL(void, free_thread_info, struct thread_info *)
 
 /* as above, but as bit values */
 #define _TIF_SYSCALL_TRACE	(1<<TIF_SYSCALL_TRACE)
-#define _TIF_NOTIFY_RESUME	(1<<TIF_NOTIFY_RESUME)
 #define _TIF_SIGPENDING		(1<<TIF_SIGPENDING)
 #define _TIF_NEED_RESCHED	(1<<TIF_NEED_RESCHED)
+#define _TIF_RESTORE_SIGMASK	(1<<TIF_RESTORE_SIGMASK)
 #define _TIF_USEDFPU		(1<<TIF_USEDFPU)
 #define _TIF_POLLING_NRFLAG	(1<<TIF_POLLING_NRFLAG)
 
diff --git a/include/asm-sparc/unistd.h b/include/asm-sparc/unistd.h
index 58dba518239e..2ac64e65e336 100644
--- a/include/asm-sparc/unistd.h
+++ b/include/asm-sparc/unistd.h
@@ -300,11 +300,26 @@
 #define __NR_add_key		281
 #define __NR_request_key	282
 #define __NR_keyctl		283
+#define __NR_openat		284
+#define __NR_mkdirat		285
+#define __NR_mknodat		286
+#define __NR_fchownat		287
+#define __NR_futimesat		288
+#define __NR_newfstatat		289
+#define __NR_unlinkat		290
+#define __NR_renameat		291
+#define __NR_linkat		292
+#define __NR_symlinkat		293
+#define __NR_readlinkat		294
+#define __NR_fchmodat		295
+#define __NR_faccessat		296
+#define __NR_pselect6		297
+#define __NR_ppoll		298
 
-/* WARNING: You MAY NOT add syscall numbers larger than 283, since
+/* WARNING: You MAY NOT add syscall numbers larger than 298, since
  *          all of the syscall tables in the Sparc kernel are
- *          sized to have 283 entries (starting at zero).  Therefore
- *          find a free slot in the 0-282 range.
+ *          sized to have 298 entries (starting at zero).  Therefore
+ *          find a free slot in the 0-298 range.
  */
 
 #define _syscall0(type,name) \
@@ -458,6 +473,7 @@ return -1; \
 #define __ARCH_WANT_SYS_OLDUMOUNT
 #define __ARCH_WANT_SYS_SIGPENDING
 #define __ARCH_WANT_SYS_SIGPROCMASK
+#define __ARCH_WANT_SYS_RT_SIGSUSPEND
 #endif
 
 #ifdef __KERNEL_SYSCALLS__