20 files changed, 174 insertions, 443 deletions

diff --git a/arch/sparc64/kernel/Makefile b/arch/sparc64/kernel/Makefile
index 6f00ab8b9d23..83d67eb18895 100644
--- a/arch/sparc64/kernel/Makefile
+++ b/arch/sparc64/kernel/Makefile
@@ -16,7 +16,7 @@ obj-y		:= process.o setup.o cpu.o idprom.o \
 obj-$(CONFIG_PCI)	 += ebus.o isa.o pci_common.o pci_iommu.o \
 			    pci_psycho.o pci_sabre.o pci_schizo.o
 obj-$(CONFIG_SMP)	 += smp.o trampoline.o
-obj-$(CONFIG_SPARC32_COMPAT) += sys32.o sys_sparc32.o signal32.o ioctl32.o
+obj-$(CONFIG_SPARC32_COMPAT) += sys32.o sys_sparc32.o signal32.o
 obj-$(CONFIG_BINFMT_ELF32) += binfmt_elf32.o
 obj-$(CONFIG_BINFMT_AOUT32) += binfmt_aout32.o
 obj-$(CONFIG_MODULES) += module.o
@@ -40,5 +40,3 @@ endif
 
 head.o: head.S ttable.S itlb_base.S dtlb_base.S dtlb_backend.S dtlb_prot.S \
 	etrap.S rtrap.S winfixup.S entry.S
-
-CFLAGS_ioctl32.o += -Ifs/
diff --git a/arch/sparc64/kernel/binfmt_aout32.c b/arch/sparc64/kernel/binfmt_aout32.c
index edf52d06b280..202a80c24b6f 100644
--- a/arch/sparc64/kernel/binfmt_aout32.c
+++ b/arch/sparc64/kernel/binfmt_aout32.c
@@ -36,8 +36,6 @@ static int load_aout32_binary(struct linux_binprm *, struct pt_regs * regs);
 static int load_aout32_library(struct file*);
 static int aout32_core_dump(long signr, struct pt_regs * regs, struct file *file);
 
-extern void dump_thread(struct pt_regs *, struct user *);
-
 static struct linux_binfmt aout32_format = {
 	NULL, THIS_MODULE, load_aout32_binary, load_aout32_library, aout32_core_dump,
 	PAGE_SIZE
diff --git a/arch/sparc64/kernel/ebus.c b/arch/sparc64/kernel/ebus.c
index 6ffbeb701940..7991e919d8ab 100644
--- a/arch/sparc64/kernel/ebus.c
+++ b/arch/sparc64/kernel/ebus.c
@@ -527,18 +527,12 @@ static struct pci_dev *find_next_ebus(struct pci_dev *start, int *is_rio_p)
 {
 	struct pci_dev *pdev = start;
 
-	do {
-		pdev = pci_find_device(PCI_VENDOR_ID_SUN, PCI_ANY_ID, pdev);
-		if (pdev &&
-		    (pdev->device == PCI_DEVICE_ID_SUN_EBUS ||
-		     pdev->device == PCI_DEVICE_ID_SUN_RIO_EBUS))
+	while ((pdev = pci_get_device(PCI_VENDOR_ID_SUN, PCI_ANY_ID, pdev)))
+		if (pdev->device == PCI_DEVICE_ID_SUN_EBUS ||
+			pdev->device == PCI_DEVICE_ID_SUN_RIO_EBUS)
 			break;
-	} while (pdev != NULL);
 
-	if (pdev && (pdev->device == PCI_DEVICE_ID_SUN_RIO_EBUS))
-		*is_rio_p = 1;
-	else
-		*is_rio_p = 0;
+	*is_rio_p = !!(pdev && (pdev->device == PCI_DEVICE_ID_SUN_RIO_EBUS));
 
 	return pdev;
 }
@@ -637,6 +631,7 @@ void __init ebus_init(void)
 		ebus->is_rio = is_rio;
 		++num_ebus;
 	}
+	pci_dev_put(pdev); /* XXX for the case, when ebusnd is 0, is it OK? */
 
 #ifdef CONFIG_SUN_AUXIO
 	auxio_probe();
diff --git a/arch/sparc64/kernel/entry.S b/arch/sparc64/kernel/entry.S
index 11a848402fb1..e50e56e4ab61 100644
--- a/arch/sparc64/kernel/entry.S
+++ b/arch/sparc64/kernel/entry.S
@@ -1416,7 +1416,6 @@ execve_merge:
 	 add		%sp, PTREGS_OFF, %o0
 
 	.globl	sys_pipe, sys_sigpause, sys_nis_syscall
-	.globl	sys_sigsuspend, sys_rt_sigsuspend
 	.globl	sys_rt_sigreturn
 	.globl	sys_ptrace
 	.globl	sys_sigaltstack
@@ -1440,28 +1439,6 @@ sys32_sigaltstack:
 		 mov		%i6, %o2
 #endif
 		.align		32
-sys_sigsuspend:	add		%sp, PTREGS_OFF, %o0
-		call		do_sigsuspend
-		 add		%o7, 1f-.-4, %o7
-		nop
-sys_rt_sigsuspend: /* NOTE: %o0,%o1 have a correct value already */
-		add		%sp, PTREGS_OFF, %o2
-		call		do_rt_sigsuspend
-		 add		%o7, 1f-.-4, %o7
-		nop
-#ifdef CONFIG_COMPAT
-	.globl	sys32_rt_sigsuspend
-sys32_rt_sigsuspend: /* NOTE: %o0,%o1 have a correct value already */
-		srl		%o0, 0, %o0
-		add		%sp, PTREGS_OFF, %o2
-		call		do_rt_sigsuspend32
-		 add		%o7, 1f-.-4, %o7
-#endif
-		/* NOTE: %o0 has a correct value already */
-sys_sigpause:	add		%sp, PTREGS_OFF, %o1
-		call		do_sigpause
-		 add		%o7, 1f-.-4, %o7
-		nop
 #ifdef CONFIG_COMPAT
 	.globl	sys32_sigreturn
 sys32_sigreturn:
@@ -1657,13 +1634,10 @@ ret_sys_call:
 	/* Check if force_successful_syscall_return()
 	 * was invoked.
 	 */
-	ldub		[%curptr + TI_SYS_NOERROR], %l0
-	brz,pt		%l0, 1f
-	 nop
-	ba,pt		%xcc, 80f
+	ldub            [%curptr + TI_SYS_NOERROR], %l2
+	brnz,a,pn       %l2, 80f
 	 stb		%g0, [%curptr + TI_SYS_NOERROR]
 
-1:
 	cmp		%o0, -ERESTART_RESTARTBLOCK
 	bgeu,pn		%xcc, 1f
 	 andcc		%l0, (_TIF_SYSCALL_TRACE|_TIF_SECCOMP|_TIF_SYSCALL_AUDIT), %l6
diff --git a/arch/sparc64/kernel/ioctl32.c b/arch/sparc64/kernel/ioctl32.c
deleted file mode 100644
index 196b208665a2..000000000000
--- a/arch/sparc64/kernel/ioctl32.c
+++ /dev/null
@@ -1,39 +0,0 @@
-/* $Id: ioctl32.c,v 1.136 2002/01/14 09:49:52 davem Exp $
- * ioctl32.c: Conversion between 32bit and 64bit native ioctls.
- *
- * Copyright (C) 1997-2000  Jakub Jelinek  (jakub@redhat.com)
- * Copyright (C) 1998  Eddie C. Dost  (ecd@skynet.be)
- * Copyright (C) 2003  Pavel Machek (pavel@suse.cz)
- *
- * These routines maintain argument size conversion between 32bit and 64bit
- * ioctls.
- */
-
-#define INCLUDES
-#include "compat_ioctl.c"
-#include <linux/syscalls.h>
-
-#define CODE
-#include "compat_ioctl.c"
-
-#define COMPATIBLE_IOCTL(cmd)		HANDLE_IOCTL((cmd),sys_ioctl)
-#define HANDLE_IOCTL(cmd,handler)	{ (cmd), (ioctl_trans_handler_t)(handler), NULL },
-#define IOCTL_TABLE_START \
-	struct ioctl_trans ioctl_start[] = {
-#define IOCTL_TABLE_END \
-	};
-
-IOCTL_TABLE_START
-#include <linux/compat_ioctl.h>
-#define DECLARES
-#include "compat_ioctl.c"
-#if 0
-HANDLE_IOCTL(RTC32_IRQP_READ, do_rtc_ioctl)
-HANDLE_IOCTL(RTC32_IRQP_SET, do_rtc_ioctl)
-HANDLE_IOCTL(RTC32_EPOCH_READ, do_rtc_ioctl)
-HANDLE_IOCTL(RTC32_EPOCH_SET, do_rtc_ioctl)
-#endif
-/* take care of sizeof(sizeof()) breakage */
-IOCTL_TABLE_END
-
-int ioctl_table_size = ARRAY_SIZE(ioctl_start);
diff --git a/arch/sparc64/kernel/kprobes.c b/arch/sparc64/kernel/kprobes.c
index a97b0f0727ab..b9a9ce70e55c 100644
--- a/arch/sparc64/kernel/kprobes.c
+++ b/arch/sparc64/kernel/kprobes.c
@@ -43,14 +43,10 @@ DEFINE_PER_CPU(struct kprobe_ctlblk, kprobe_ctlblk);
 
 int __kprobes arch_prepare_kprobe(struct kprobe *p)
 {
-	return 0;
-}
-
-void __kprobes arch_copy_kprobe(struct kprobe *p)
-{
 	p->ainsn.insn[0] = *p->addr;
 	p->ainsn.insn[1] = BREAKPOINT_INSTRUCTION_2;
 	p->opcode = *p->addr;
+	return 0;
 }
 
 void __kprobes arch_arm_kprobe(struct kprobe *p)
@@ -65,10 +61,6 @@ void __kprobes arch_disarm_kprobe(struct kprobe *p)
 	flushi(p->addr);
 }
 
-void __kprobes arch_remove_kprobe(struct kprobe *p)
-{
-}
-
 static inline void save_previous_kprobe(struct kprobe_ctlblk *kcb)
 {
 	kcb->prev_kprobe.kp = kprobe_running();
@@ -143,6 +135,14 @@ static int __kprobes kprobe_handler(struct pt_regs *regs)
 			prepare_singlestep(p, regs, kcb);
 			return 1;
 		} else {
+			if (*(u32 *)addr != BREAKPOINT_INSTRUCTION) {
+			/* The breakpoint instruction was removed by
+			 * another cpu right after we hit, no further
+			 * handling of this interrupt is appropriate
+			 */
+				ret = 1;
+				goto no_kprobe;
+			}
 			p = __get_cpu_var(current_kprobe);
 			if (p->break_handler && p->break_handler(p, regs))
 				goto ss_probe;
diff --git a/arch/sparc64/kernel/power.c b/arch/sparc64/kernel/power.c
index 9e8362ea3104..30bcaf58e3ab 100644
--- a/arch/sparc64/kernel/power.c
+++ b/arch/sparc64/kernel/power.c
@@ -14,6 +14,7 @@
 #include <linux/signal.h>
 #include <linux/delay.h>
 #include <linux/interrupt.h>
+#include <linux/pm.h>
 
 #include <asm/system.h>
 #include <asm/ebus.h>
@@ -70,6 +71,9 @@ void machine_power_off(void)
 	machine_halt();
 }
 
+void (*pm_power_off)(void) = machine_power_off;
+EXPORT_SYMBOL(pm_power_off);
+
 #ifdef CONFIG_PCI
 static int powerd(void *__unused)
 {
diff --git a/arch/sparc64/kernel/process.c b/arch/sparc64/kernel/process.c
index 02f9dec1d459..059b0d025224 100644
--- a/arch/sparc64/kernel/process.c
+++ b/arch/sparc64/kernel/process.c
@@ -164,6 +164,7 @@ void machine_restart(char * cmd)
 	panic("Reboot failed!");
 }
 
+#ifdef CONFIG_COMPAT
 static void show_regwindow32(struct pt_regs *regs)
 {
 	struct reg_window32 __user *rw;
@@ -189,6 +190,9 @@ static void show_regwindow32(struct pt_regs *regs)
 	       r_w.ins[0], r_w.ins[1], r_w.ins[2], r_w.ins[3],
 	       r_w.ins[4], r_w.ins[5], r_w.ins[6], r_w.ins[7]);
 }
+#else
+#define show_regwindow32(regs)	do { } while (0)
+#endif
 
 static void show_regwindow(struct pt_regs *regs)
 {
@@ -390,7 +394,7 @@ void show_regs32(struct pt_regs32 *regs)
 
 unsigned long thread_saved_pc(struct task_struct *tsk)
 {
-	struct thread_info *ti = tsk->thread_info;
+	struct thread_info *ti = task_thread_info(tsk);
 	unsigned long ret = 0xdeadbeefUL;
 	
 	if (ti && ti->ksp) {
@@ -616,11 +620,11 @@ int copy_thread(int nr, unsigned long clone_flags, unsigned long sp,
 		unsigned long unused,
 		struct task_struct *p, struct pt_regs *regs)
 {
-	struct thread_info *t = p->thread_info;
+	struct thread_info *t = task_thread_info(p);
 	char *child_trap_frame;
 
 	/* Calculate offset to stack_frame & pt_regs */
-	child_trap_frame = ((char *)t) + (THREAD_SIZE - (TRACEREG_SZ+STACKFRAME_SZ));
+	child_trap_frame = task_stack_page(p) + (THREAD_SIZE - (TRACEREG_SZ+STACKFRAME_SZ));
 	memcpy(child_trap_frame, (((struct sparc_stackf *)regs)-1), (TRACEREG_SZ+STACKFRAME_SZ));
 
 	t->flags = (t->flags & ~((0xffUL << TI_FLAG_CWP_SHIFT) | (0xffUL << TI_FLAG_CURRENT_DS_SHIFT))) |
@@ -845,9 +849,9 @@ unsigned long get_wchan(struct task_struct *task)
             task->state == TASK_RUNNING)
 		goto out;
 
-	thread_info_base = (unsigned long) task->thread_info;
+	thread_info_base = (unsigned long) task_stack_page(task);
 	bias = STACK_BIAS;
-	fp = task->thread_info->ksp + bias;
+	fp = task_thread_info(task)->ksp + bias;
 
 	do {
 		/* Bogus frame pointer? */
diff --git a/arch/sparc64/kernel/ptrace.c b/arch/sparc64/kernel/ptrace.c
index 774ecbb8a031..3f9746f856d2 100644
--- a/arch/sparc64/kernel/ptrace.c
+++ b/arch/sparc64/kernel/ptrace.c
@@ -198,39 +198,15 @@ asmlinkage void do_ptrace(struct pt_regs *regs)
 	}
 #endif
 	if (request == PTRACE_TRACEME) {
-		int ret;
-
-		/* are we already being traced? */
-		if (current->ptrace & PT_PTRACED) {
-			pt_error_return(regs, EPERM);
-			goto out;
-		}
-		ret = security_ptrace(current->parent, current);
-		if (ret) {
-			pt_error_return(regs, -ret);
-			goto out;
-		}
-
-		/* set the ptrace bit in the process flags. */
-		current->ptrace |= PT_PTRACED;
+		ret = ptrace_traceme();
 		pt_succ_return(regs, 0);
 		goto out;
 	}
-#ifndef ALLOW_INIT_TRACING
-	if (pid == 1) {
-		/* Can't dork with init. */
-		pt_error_return(regs, EPERM);
-		goto out;
-	}
-#endif
-	read_lock(&tasklist_lock);
-	child = find_task_by_pid(pid);
-	if (child)
-		get_task_struct(child);
-	read_unlock(&tasklist_lock);
 
-	if (!child) {
-		pt_error_return(regs, ESRCH);
+	child = ptrace_get_task_struct(pid);
+	if (IS_ERR(child)) {
+		ret = PTR_ERR(child);
+		pt_error_return(regs, -ret);
 		goto out;
 	}
 
@@ -320,7 +296,7 @@ asmlinkage void do_ptrace(struct pt_regs *regs)
 	case PTRACE_GETREGS: {
 		struct pt_regs32 __user *pregs =
 			(struct pt_regs32 __user *) addr;
-		struct pt_regs *cregs = child->thread_info->kregs;
+		struct pt_regs *cregs = task_pt_regs(child);
 		int rval;
 
 		if (__put_user(tstate_to_psr(cregs->tstate), (&pregs->psr)) ||
@@ -344,11 +320,11 @@ asmlinkage void do_ptrace(struct pt_regs *regs)
 
 	case PTRACE_GETREGS64: {
 		struct pt_regs __user *pregs = (struct pt_regs __user *) addr;
-		struct pt_regs *cregs = child->thread_info->kregs;
+		struct pt_regs *cregs = task_pt_regs(child);
 		unsigned long tpc = cregs->tpc;
 		int rval;
 
-		if ((child->thread_info->flags & _TIF_32BIT) != 0)
+		if ((task_thread_info(child)->flags & _TIF_32BIT) != 0)
 			tpc &= 0xffffffff;
 		if (__put_user(cregs->tstate, (&pregs->tstate)) ||
 		    __put_user(tpc, (&pregs->tpc)) ||
@@ -372,7 +348,7 @@ asmlinkage void do_ptrace(struct pt_regs *regs)
 	case PTRACE_SETREGS: {
 		struct pt_regs32 __user *pregs =
 			(struct pt_regs32 __user *) addr;
-		struct pt_regs *cregs = child->thread_info->kregs;
+		struct pt_regs *cregs = task_pt_regs(child);
 		unsigned int psr, pc, npc, y;
 		int i;
 
@@ -405,7 +381,7 @@ asmlinkage void do_ptrace(struct pt_regs *regs)
 
 	case PTRACE_SETREGS64: {
 		struct pt_regs __user *pregs = (struct pt_regs __user *) addr;
-		struct pt_regs *cregs = child->thread_info->kregs;
+		struct pt_regs *cregs = task_pt_regs(child);
 		unsigned long tstate, tpc, tnpc, y;
 		int i;
 
@@ -419,7 +395,7 @@ asmlinkage void do_ptrace(struct pt_regs *regs)
 			pt_error_return(regs, EFAULT);
 			goto out_tsk;
 		}
-		if ((child->thread_info->flags & _TIF_32BIT) != 0) {
+		if ((task_thread_info(child)->flags & _TIF_32BIT) != 0) {
 			tpc &= 0xffffffff;
 			tnpc &= 0xffffffff;
 		}
@@ -454,11 +430,11 @@ asmlinkage void do_ptrace(struct pt_regs *regs)
 			} fpq[16];
 		};
 		struct fps __user *fps = (struct fps __user *) addr;
-		unsigned long *fpregs = child->thread_info->fpregs;
+		unsigned long *fpregs = task_thread_info(child)->fpregs;
 
 		if (copy_to_user(&fps->regs[0], fpregs,
 				 (32 * sizeof(unsigned int))) ||
-		    __put_user(child->thread_info->xfsr[0], (&fps->fsr)) ||
+		    __put_user(task_thread_info(child)->xfsr[0], (&fps->fsr)) ||
 		    __put_user(0, (&fps->fpqd)) ||
 		    __put_user(0, (&fps->flags)) ||
 		    __put_user(0, (&fps->extra)) ||
@@ -476,11 +452,11 @@ asmlinkage void do_ptrace(struct pt_regs *regs)
 			unsigned long fsr;
 		};
 		struct fps __user *fps = (struct fps __user *) addr;
-		unsigned long *fpregs = child->thread_info->fpregs;
+		unsigned long *fpregs = task_thread_info(child)->fpregs;
 
 		if (copy_to_user(&fps->regs[0], fpregs,
 				 (64 * sizeof(unsigned int))) ||
-		    __put_user(child->thread_info->xfsr[0], (&fps->fsr))) {
+		    __put_user(task_thread_info(child)->xfsr[0], (&fps->fsr))) {
 			pt_error_return(regs, EFAULT);
 			goto out_tsk;
 		}
@@ -501,7 +477,7 @@ asmlinkage void do_ptrace(struct pt_regs *regs)
 			} fpq[16];
 		};
 		struct fps __user *fps = (struct fps __user *) addr;
-		unsigned long *fpregs = child->thread_info->fpregs;
+		unsigned long *fpregs = task_thread_info(child)->fpregs;
 		unsigned fsr;
 
 		if (copy_from_user(fpregs, &fps->regs[0],
@@ -510,11 +486,11 @@ asmlinkage void do_ptrace(struct pt_regs *regs)
 			pt_error_return(regs, EFAULT);
 			goto out_tsk;
 		}
-		child->thread_info->xfsr[0] &= 0xffffffff00000000UL;
-		child->thread_info->xfsr[0] |= fsr;
-		if (!(child->thread_info->fpsaved[0] & FPRS_FEF))
-			child->thread_info->gsr[0] = 0;
-		child->thread_info->fpsaved[0] |= (FPRS_FEF | FPRS_DL);
+		task_thread_info(child)->xfsr[0] &= 0xffffffff00000000UL;
+		task_thread_info(child)->xfsr[0] |= fsr;
+		if (!(task_thread_info(child)->fpsaved[0] & FPRS_FEF))
+			task_thread_info(child)->gsr[0] = 0;
+		task_thread_info(child)->fpsaved[0] |= (FPRS_FEF | FPRS_DL);
 		pt_succ_return(regs, 0);
 		goto out_tsk;
 	}
@@ -525,17 +501,17 @@ asmlinkage void do_ptrace(struct pt_regs *regs)
 			unsigned long fsr;
 		};
 		struct fps __user *fps = (struct fps __user *) addr;
-		unsigned long *fpregs = child->thread_info->fpregs;
+		unsigned long *fpregs = task_thread_info(child)->fpregs;
 
 		if (copy_from_user(fpregs, &fps->regs[0],
 				   (64 * sizeof(unsigned int))) ||
-		    __get_user(child->thread_info->xfsr[0], (&fps->fsr))) {
+		    __get_user(task_thread_info(child)->xfsr[0], (&fps->fsr))) {
 			pt_error_return(regs, EFAULT);
 			goto out_tsk;
 		}
-		if (!(child->thread_info->fpsaved[0] & FPRS_FEF))
-			child->thread_info->gsr[0] = 0;
-		child->thread_info->fpsaved[0] |= (FPRS_FEF | FPRS_DL | FPRS_DU);
+		if (!(task_thread_info(child)->fpsaved[0] & FPRS_FEF))
+			task_thread_info(child)->gsr[0] = 0;
+		task_thread_info(child)->fpsaved[0] |= (FPRS_FEF | FPRS_DL | FPRS_DU);
 		pt_succ_return(regs, 0);
 		goto out_tsk;
 	}
@@ -586,8 +562,8 @@ asmlinkage void do_ptrace(struct pt_regs *regs)
 #ifdef DEBUG_PTRACE
 		printk("CONT: %s [%d]: set exit_code = %x %lx %lx\n", child->comm,
 			child->pid, child->exit_code,
-			child->thread_info->kregs->tpc,
-			child->thread_info->kregs->tnpc);
+			task_pt_regs(child)->tpc,
+			task_pt_regs(child)->tnpc);
 		       
 #endif
 		wake_up_process(child);
diff --git a/arch/sparc64/kernel/rtrap.S b/arch/sparc64/kernel/rtrap.S
index 090dcca00d2a..b80eba0081ca 100644
--- a/arch/sparc64/kernel/rtrap.S
+++ b/arch/sparc64/kernel/rtrap.S
@@ -53,14 +53,13 @@ __handle_user_windows:
 		wrpr			%g0, RTRAP_PSTATE_IRQOFF, %pstate
 		ldx			[%g6 + TI_FLAGS], %l0
 
-1:		andcc			%l0, (_TIF_NOTIFY_RESUME | _TIF_SIGPENDING), %g0
+1:		andcc			%l0, (_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK), %g0
 		be,pt			%xcc, __handle_user_windows_continue
 		 nop
-		clr			%o0
-		mov			%l5, %o2
-		mov			%l6, %o3
-		add			%sp, PTREGS_OFF, %o1
-		mov			%l0, %o4
+		mov			%l5, %o1
+		mov			%l6, %o2
+		add			%sp, PTREGS_OFF, %o0
+		mov			%l0, %o3
 
 		call			do_notify_resume
 		 wrpr			%g0, RTRAP_PSTATE, %pstate
@@ -96,15 +95,14 @@ __handle_perfctrs:
 		 wrpr			%g0, RTRAP_PSTATE, %pstate
 		wrpr			%g0, RTRAP_PSTATE_IRQOFF, %pstate
 		ldx			[%g6 + TI_FLAGS], %l0
-1:		andcc			%l0, (_TIF_NOTIFY_RESUME | _TIF_SIGPENDING), %g0
+1:		andcc			%l0, (_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK), %g0
 
 		be,pt			%xcc, __handle_perfctrs_continue
 		 sethi			%hi(TSTATE_PEF), %o0
-		clr			%o0
-		mov			%l5, %o2
-		mov			%l6, %o3
-		add			%sp, PTREGS_OFF, %o1
-		mov			%l0, %o4
+		mov			%l5, %o1
+		mov			%l6, %o2
+		add			%sp, PTREGS_OFF, %o0
+		mov			%l0, %o3
 		call			do_notify_resume
 
 		 wrpr			%g0, RTRAP_PSTATE, %pstate
@@ -129,11 +127,10 @@ __handle_userfpu:
 		ba,a,pt			%xcc, __handle_userfpu_continue
 
 __handle_signal:
-		clr			%o0
-		mov			%l5, %o2
-		mov			%l6, %o3
-		add			%sp, PTREGS_OFF, %o1
-		mov			%l0, %o4
+		mov			%l5, %o1
+		mov			%l6, %o2
+		add			%sp, PTREGS_OFF, %o0
+		mov			%l0, %o3
 		call			do_notify_resume
 		 wrpr			%g0, RTRAP_PSTATE, %pstate
 		wrpr			%g0, RTRAP_PSTATE_IRQOFF, %pstate
@@ -200,7 +197,7 @@ __handle_preemption_continue:
 		 andcc			%l1, %o0, %g0
 		andcc			%l0, _TIF_NEED_RESCHED, %g0
 		bne,pn			%xcc, __handle_preemption
-		 andcc			%l0, (_TIF_NOTIFY_RESUME | _TIF_SIGPENDING), %g0
+		 andcc			%l0, (_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK), %g0
 		bne,pn			%xcc, __handle_signal
 __handle_signal_continue:
 		 ldub			[%g6 + TI_WSAVED], %o2
diff --git a/arch/sparc64/kernel/setup.c b/arch/sparc64/kernel/setup.c
index 48180531562f..054461e6946d 100644
--- a/arch/sparc64/kernel/setup.c
+++ b/arch/sparc64/kernel/setup.c
@@ -520,7 +520,7 @@ void __init setup_arch(char **cmdline_p)
 	rd_doload = ((ram_flags & RAMDISK_LOAD_FLAG) != 0);	
 #endif
 
-	init_task.thread_info->kregs = &fake_swapper_regs;
+	task_thread_info(&init_task)->kregs = &fake_swapper_regs;
 
 #ifdef CONFIG_IP_PNP
 	if (!ic_set_manually) {
@@ -561,6 +561,8 @@ static int __init set_preferred_console(void)
 		serial_console = 1;
 	} else if (idev == PROMDEV_ITTYB && odev == PROMDEV_OTTYB) {
 		serial_console = 2;
+	} else if (idev == PROMDEV_IRSC && odev == PROMDEV_ORSC) {
+		serial_console = 3;
 	} else {
 		prom_printf("Inconsistent console: "
 			    "input %d, output %d\n",
diff --git a/arch/sparc64/kernel/signal.c b/arch/sparc64/kernel/signal.c
index 60f5dfabb1e1..ca11a4c457d4 100644
--- a/arch/sparc64/kernel/signal.c
+++ b/arch/sparc64/kernel/signal.c
@@ -36,9 +36,6 @@
 
 #define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP)))
 
-static int do_signal(sigset_t *oldset, struct pt_regs * regs,
-		     unsigned long orig_o0, int ret_from_syscall);
-
 /* {set, get}context() needed for 64-bit SparcLinux userland. */
 asmlinkage void sparc64_set_context(struct pt_regs *regs)
 {
@@ -242,114 +239,29 @@ struct rt_signal_frame {
 /* Align macros */
 #define RT_ALIGNEDSZ  (((sizeof(struct rt_signal_frame) + 7) & (~7)))
 
-/*
- * atomically swap in the new signal mask, and wait for a signal.
- * This is really tricky on the Sparc, watch out...
- */
-asmlinkage void _sigpause_common(old_sigset_t set, struct pt_regs *regs)
+static long _sigpause_common(old_sigset_t set)
 {
-	sigset_t saveset;
-
-#ifdef CONFIG_SPARC32_COMPAT
-	if (test_thread_flag(TIF_32BIT)) {
-		extern asmlinkage void _sigpause32_common(compat_old_sigset_t,
-							  struct pt_regs *);
-		_sigpause32_common(set, regs);
-		return;
-	}
-#endif
 	set &= _BLOCKABLE;
 	spin_lock_irq(&current->sighand->siglock);
-	saveset = current->blocked;
+	current->saved_sigmask = current->blocked;
 	siginitset(&current->blocked, set);
 	recalc_sigpending();
 	spin_unlock_irq(&current->sighand->siglock);
-	
-	if (test_thread_flag(TIF_32BIT)) {
-		regs->tpc = (regs->tnpc & 0xffffffff);
-		regs->tnpc = (regs->tnpc + 4) & 0xffffffff;
-	} else {
-		regs->tpc = regs->tnpc;
-		regs->tnpc += 4;
-	}
 
-	/* Condition codes and return value where set here for sigpause,
-	 * and so got used by setup_frame, which again causes sigreturn()
-	 * to return -EINTR.
-	 */
-	while (1) {
-		current->state = TASK_INTERRUPTIBLE;
-		schedule();
-		/*
-		 * Return -EINTR and set condition code here,
-		 * so the interrupted system call actually returns
-		 * these.
-		 */
-		regs->tstate |= (TSTATE_ICARRY|TSTATE_XCARRY);
-		regs->u_regs[UREG_I0] = EINTR;
-		if (do_signal(&saveset, regs, 0, 0))
-			return;
-	}
+	current->state = TASK_INTERRUPTIBLE;
+	schedule();
+	set_thread_flag(TIF_RESTORE_SIGMASK);
+	return -ERESTARTNOHAND;
 }
 
-asmlinkage void do_sigpause(unsigned int set, struct pt_regs *regs)
+asmlinkage long sys_sigpause(unsigned int set)
 {
-	_sigpause_common(set, regs);
+	return _sigpause_common(set);
 }
 
-asmlinkage void do_sigsuspend(struct pt_regs *regs)
+asmlinkage long sys_sigsuspend(old_sigset_t set)
 {
-	_sigpause_common(regs->u_regs[UREG_I0], regs);
-}
-
-asmlinkage void do_rt_sigsuspend(sigset_t __user *uset, size_t sigsetsize, struct pt_regs *regs)
-{
-	sigset_t oldset, set;
-        
-	/* XXX: Don't preclude handling different sized sigset_t's.  */
-	if (sigsetsize != sizeof(sigset_t)) {
-		regs->tstate |= (TSTATE_ICARRY|TSTATE_XCARRY);
-		regs->u_regs[UREG_I0] = EINVAL;
-		return;
-	}
-	if (copy_from_user(&set, uset, sizeof(set))) {
-		regs->tstate |= (TSTATE_ICARRY|TSTATE_XCARRY);
-		regs->u_regs[UREG_I0] = EFAULT;
-		return;
-	}
-                                                                
-	sigdelsetmask(&set, ~_BLOCKABLE);
-	spin_lock_irq(&current->sighand->siglock);
-	oldset = current->blocked;
-	current->blocked = set;
-	recalc_sigpending();
-	spin_unlock_irq(&current->sighand->siglock);
-	
-	if (test_thread_flag(TIF_32BIT)) {
-		regs->tpc = (regs->tnpc & 0xffffffff);
-		regs->tnpc = (regs->tnpc + 4) & 0xffffffff;
-	} else {
-		regs->tpc = regs->tnpc;
-		regs->tnpc += 4;
-	}
-
-	/* Condition codes and return value where set here for sigpause,
-	 * and so got used by setup_frame, which again causes sigreturn()
-	 * to return -EINTR.
-	 */
-	while (1) {
-		current->state = TASK_INTERRUPTIBLE;
-		schedule();
-		/*
-		 * Return -EINTR and set condition code here,
-		 * so the interrupted system call actually returns
-		 * these.
-		 */
-		regs->tstate |= (TSTATE_ICARRY|TSTATE_XCARRY);
-		regs->u_regs[UREG_I0] = EINTR;
-		if (do_signal(&oldset, regs, 0, 0))
-			return;
-	}
+	return _sigpause_common(set);
 }
 
 static inline int
@@ -607,26 +519,29 @@ static inline void syscall_restart(unsigned long orig_i0, struct pt_regs *regs,
  * want to handle. Thus you cannot kill init even with a SIGKILL even by
  * mistake.
  */
-static int do_signal(sigset_t *oldset, struct pt_regs * regs,
-		     unsigned long orig_i0, int restart_syscall)
+static void do_signal(struct pt_regs *regs, unsigned long orig_i0, int restart_syscall)
 {
 	siginfo_t info;
 	struct signal_deliver_cookie cookie;
 	struct k_sigaction ka;
 	int signr;
+	sigset_t *oldset;
 	
 	cookie.restart_syscall = restart_syscall;
 	cookie.orig_i0 = orig_i0;
 
-	if (!oldset)
+	if (test_thread_flag(TIF_RESTORE_SIGMASK))
+		oldset = &current->saved_sigmask;
+	else
 		oldset = &current->blocked;
 
 #ifdef CONFIG_SPARC32_COMPAT
 	if (test_thread_flag(TIF_32BIT)) {
-		extern int do_signal32(sigset_t *, struct pt_regs *,
-				       unsigned long, int);
-		return do_signal32(oldset, regs, orig_i0,
-				   cookie.restart_syscall);
+		extern void do_signal32(sigset_t *, struct pt_regs *,
+					unsigned long, int);
+		do_signal32(oldset, regs, orig_i0,
+			    cookie.restart_syscall);
+		return;
 	}
 #endif	
 
@@ -635,7 +550,15 @@ static int do_signal(sigset_t *oldset, struct pt_regs * regs,
 		if (cookie.restart_syscall)
 			syscall_restart(orig_i0, regs, &ka.sa);
 		handle_signal(signr, &ka, &info, oldset, regs);
-		return 1;
+
+		/* a signal was successfully delivered; the saved
+		 * sigmask will have been stored in the signal frame,
+		 * and will be restored by sigreturn, so we can simply
+		 * clear the TIF_RESTORE_SIGMASK flag.
+		 */
+		if (test_thread_flag(TIF_RESTORE_SIGMASK))
+			clear_thread_flag(TIF_RESTORE_SIGMASK);
+		return;
 	}
 	if (cookie.restart_syscall &&
 	    (regs->u_regs[UREG_I0] == ERESTARTNOHAND ||
@@ -652,15 +575,21 @@ static int do_signal(sigset_t *oldset, struct pt_regs * regs,
 		regs->tpc -= 4;
 		regs->tnpc -= 4;
 	}
-	return 0;
+
+	/* if there's no signal to deliver, we just put the saved sigmask
+	 * back
+	 */
+	if (test_thread_flag(TIF_RESTORE_SIGMASK)) {
+		clear_thread_flag(TIF_RESTORE_SIGMASK);
+		sigprocmask(SIG_SETMASK, &current->saved_sigmask, NULL);
+	}
 }
 
-void do_notify_resume(sigset_t *oldset, struct pt_regs *regs,
-		      unsigned long orig_i0, int restart_syscall,
+void do_notify_resume(struct pt_regs *regs, unsigned long orig_i0, int restart_syscall,
 		      unsigned long thread_info_flags)
 {
-	if (thread_info_flags & _TIF_SIGPENDING)
-		do_signal(oldset, regs, orig_i0, restart_syscall);
+	if (thread_info_flags & (_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK))
+		do_signal(regs, orig_i0, restart_syscall);
 }
 
 void ptrace_signal_deliver(struct pt_regs *regs, void *cookie)
diff --git a/arch/sparc64/kernel/signal32.c b/arch/sparc64/kernel/signal32.c
index 009a86e5ded4..708ba9b42cda 100644
--- a/arch/sparc64/kernel/signal32.c
+++ b/arch/sparc64/kernel/signal32.c
@@ -32,9 +32,6 @@
 
 #define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP)))
 
-int do_signal32(sigset_t *oldset, struct pt_regs *regs,
-		unsigned long orig_o0, int ret_from_syscall);
-
 /* Signal frames: the original one (compatible with SunOS):
  *
  * Set up a signal frame... Make the stack look the way SunOS
@@ -226,102 +223,6 @@ int copy_siginfo_from_user32(siginfo_t *to, compat_siginfo_t __user *from)
 	return 0;
 }
 
-/*
- * atomically swap in the new signal mask, and wait for a signal.
- * This is really tricky on the Sparc, watch out...
- */
-asmlinkage void _sigpause32_common(compat_old_sigset_t set, struct pt_regs *regs)
-{
-	sigset_t saveset;
-
-	set &= _BLOCKABLE;
-	spin_lock_irq(&current->sighand->siglock);
-	saveset = current->blocked;
-	siginitset(&current->blocked, set);
-	recalc_sigpending();
-	spin_unlock_irq(&current->sighand->siglock);
-	
-	regs->tpc = regs->tnpc;
-	regs->tnpc += 4;
-	if (test_thread_flag(TIF_32BIT)) {
-		regs->tpc &= 0xffffffff;
-		regs->tnpc &= 0xffffffff;
-	}
-
-	/* Condition codes and return value where set here for sigpause,
-	 * and so got used by setup_frame, which again causes sigreturn()
-	 * to return -EINTR.
-	 */
-	while (1) {
-		current->state = TASK_INTERRUPTIBLE;
-		schedule();
-		/*
-		 * Return -EINTR and set condition code here,
-		 * so the interrupted system call actually returns
-		 * these.
-		 */
-		regs->tstate |= TSTATE_ICARRY;
-		regs->u_regs[UREG_I0] = EINTR;
-		if (do_signal32(&saveset, regs, 0, 0))
-			return;
-	}
-}
-
-asmlinkage void do_rt_sigsuspend32(u32 uset, size_t sigsetsize, struct pt_regs *regs)
-{
-	sigset_t oldset, set;
-	compat_sigset_t set32;
-        
-	/* XXX: Don't preclude handling different sized sigset_t's.  */
-	if (((compat_size_t)sigsetsize) != sizeof(sigset_t)) {
-		regs->tstate |= TSTATE_ICARRY;
-		regs->u_regs[UREG_I0] = EINVAL;
-		return;
-	}
-	if (copy_from_user(&set32, compat_ptr(uset), sizeof(set32))) {
-		regs->tstate |= TSTATE_ICARRY;
-		regs->u_regs[UREG_I0] = EFAULT;
-		return;
-	}
-	switch (_NSIG_WORDS) {
-	case 4: set.sig[3] = set32.sig[6] + (((long)set32.sig[7]) << 32);
-	case 3: set.sig[2] = set32.sig[4] + (((long)set32.sig[5]) << 32);
-	case 2: set.sig[1] = set32.sig[2] + (((long)set32.sig[3]) << 32);
-	case 1: set.sig[0] = set32.sig[0] + (((long)set32.sig[1]) << 32);
-	}
-	sigdelsetmask(&set, ~_BLOCKABLE);
-	spin_lock_irq(&current->sighand->siglock);
-	oldset = current->blocked;
-	current->blocked = set;
-	recalc_sigpending();
-	spin_unlock_irq(&current->sighand->siglock);
-	
-	regs->tpc = regs->tnpc;
-	regs->tnpc += 4;
-	if (test_thread_flag(TIF_32BIT)) {
-		regs->tpc &= 0xffffffff;
-		regs->tnpc &= 0xffffffff;
-	}
-
-	/* Condition codes and return value where set here for sigpause,
-	 * and so got used by setup_frame, which again causes sigreturn()
-	 * to return -EINTR.
-	 */
-	while (1) {
-		current->state = TASK_INTERRUPTIBLE;
-		schedule();
-		/*
-		 * Return -EINTR and set condition code here,
-		 * so the interrupted system call actually returns
-		 * these.
-		 */
-		regs->tstate |= TSTATE_ICARRY;
-		regs->u_regs[UREG_I0] = EINTR;
-		if (do_signal32(&oldset, regs, 0, 0))
-			return;
-	}
-}
-
 static int restore_fpu_state32(struct pt_regs *regs, __siginfo_fpu_t __user *fpu)
 {
 	unsigned long *fpregs = current_thread_info()->fpregs;
@@ -1362,8 +1263,8 @@ static inline void syscall_restart32(unsigned long orig_i0, struct pt_regs *regs
  * want to handle. Thus you cannot kill init even with a SIGKILL even by
  * mistake.
  */
-int do_signal32(sigset_t *oldset, struct pt_regs * regs,
-		unsigned long orig_i0, int restart_syscall)
+void do_signal32(sigset_t *oldset, struct pt_regs * regs,
+		 unsigned long orig_i0, int restart_syscall)
 {
 	siginfo_t info;
 	struct signal_deliver_cookie cookie;
@@ -1380,7 +1281,15 @@ int do_signal32(sigset_t *oldset, struct pt_regs * regs,
 			syscall_restart32(orig_i0, regs, &ka.sa);
 		handle_signal32(signr, &ka, &info, oldset,
 				regs, svr4_signal);
-		return 1;
+
+		/* a signal was successfully delivered; the saved
+		 * sigmask will have been stored in the signal frame,
+		 * and will be restored by sigreturn, so we can simply
+		 * clear the TIF_RESTORE_SIGMASK flag.
+		 */
+		if (test_thread_flag(TIF_RESTORE_SIGMASK))
+			clear_thread_flag(TIF_RESTORE_SIGMASK);
+		return;
 	}
 	if (cookie.restart_syscall &&
 	    (regs->u_regs[UREG_I0] == ERESTARTNOHAND ||
@@ -1397,7 +1306,14 @@ int do_signal32(sigset_t *oldset, struct pt_regs * regs,
 		regs->tpc -= 4;
 		regs->tnpc -= 4;
 	}
-	return 0;
+
+	/* if there's no signal to deliver, we just put the saved sigmask
+	 * back
+	 */
+	if (test_thread_flag(TIF_RESTORE_SIGMASK)) {
+		clear_thread_flag(TIF_RESTORE_SIGMASK);
+		sigprocmask(SIG_SETMASK, &current->saved_sigmask, NULL);
+	}
 }
 
 struct sigstack32 {
diff --git a/arch/sparc64/kernel/smp.c b/arch/sparc64/kernel/smp.c
index 6efc03df51c3..1fb6323e65a4 100644
--- a/arch/sparc64/kernel/smp.c
+++ b/arch/sparc64/kernel/smp.c
@@ -335,7 +335,7 @@ static int __devinit smp_boot_one_cpu(unsigned int cpu)
 
 	p = fork_idle(cpu);
 	callin_flag = 0;
-	cpu_new_thread = p->thread_info;
+	cpu_new_thread = task_thread_info(p);
 	cpu_set(cpu, cpu_callout_map);
 
 	cpu_find_by_mid(cpu, &cpu_node);
diff --git a/arch/sparc64/kernel/sparc64_ksyms.c b/arch/sparc64/kernel/sparc64_ksyms.c
index fb7a5370dbfc..3c06bfb92a8c 100644
--- a/arch/sparc64/kernel/sparc64_ksyms.c
+++ b/arch/sparc64/kernel/sparc64_ksyms.c
@@ -69,7 +69,6 @@ struct poll {
 
 extern void die_if_kernel(char *str, struct pt_regs *regs);
 extern pid_t kernel_thread(int (*fn)(void *), void * arg, unsigned long flags);
-void _sigpause_common (unsigned int set, struct pt_regs *);
 extern void *__bzero(void *, size_t);
 extern void *__memscan_zero(void *, size_t);
 extern void *__memscan_generic(void *, int, size_t);
@@ -94,7 +93,6 @@ extern void (*prom_palette)(int);
 
 extern int __ashrdi3(int, int);
 
-extern void dump_thread(struct pt_regs *, struct user *);
 extern int dump_fpu (struct pt_regs * regs, elf_fpregset_t * fpregs);
 
 extern unsigned long phys_base;
@@ -237,11 +235,11 @@ EXPORT_SYMBOL(pci_dma_supported);
 /* I/O device mmaping on Sparc64. */
 EXPORT_SYMBOL(io_remap_pfn_range);
 
+#ifdef CONFIG_COMPAT
 /* Solaris/SunOS binary compatibility */
-EXPORT_SYMBOL(_sigpause_common);
 EXPORT_SYMBOL(verify_compat_iovec);
+#endif
 
-EXPORT_SYMBOL(dump_thread);
 EXPORT_SYMBOL(dump_fpu);
 EXPORT_SYMBOL(pte_alloc_one_kernel);
 #ifndef CONFIG_SMP
diff --git a/arch/sparc64/kernel/sys_sparc32.c b/arch/sparc64/kernel/sys_sparc32.c
index 7f6239ed2521..9264ccbaaafa 100644
--- a/arch/sparc64/kernel/sys_sparc32.c
+++ b/arch/sparc64/kernel/sys_sparc32.c
@@ -11,6 +11,7 @@
 #include <linux/config.h>
 #include <linux/kernel.h>
 #include <linux/sched.h>
+#include <linux/capability.h>
 #include <linux/fs.h> 
 #include <linux/mm.h> 
 #include <linux/file.h> 
@@ -820,7 +821,7 @@ asmlinkage long sys32_utimes(char __user *filename,
 			return -EFAULT;
 	}
 
-	return do_utimes(filename, (tvs ? &ktvs[0] : NULL));
+	return do_utimes(AT_FDCWD, filename, (tvs ? &ktvs[0] : NULL));
 }
 
 /* These are here just in case some old sparc32 binary calls it. */
@@ -1002,7 +1003,7 @@ asmlinkage long sys32_adjtimex(struct timex32 __user *utp)
 asmlinkage long sparc32_open(const char __user *filename,
 			     int flags, int mode)
 {
-	return do_sys_open(filename, flags, mode);
+	return do_sys_open(AT_FDCWD, filename, flags, mode);
 }
 
 extern unsigned long do_mremap(unsigned long addr,
@@ -1120,39 +1121,3 @@ long sys32_lookup_dcookie(unsigned long cookie_high,
 	return sys_lookup_dcookie((cookie_high << 32) | cookie_low,
 				  buf, len);
 }
-
-extern asmlinkage long
-sys_timer_create(clockid_t which_clock,
-		 struct sigevent __user *timer_event_spec,
-		 timer_t __user *created_timer_id);
-
-long
-sys32_timer_create(u32 clock, struct compat_sigevent __user *se32,
-		   timer_t __user *timer_id)
-{
-	struct sigevent se;
-	mm_segment_t oldfs;
-	timer_t t;
-	long err;
-
-	if (se32 == NULL)
-		return sys_timer_create(clock, NULL, timer_id);
-
-	if (get_compat_sigevent(&se, se32))
-		return -EFAULT;
-
-	if (!access_ok(VERIFY_WRITE,timer_id,sizeof(timer_t)))
-		return -EFAULT;
-
-	oldfs = get_fs();
-	set_fs(KERNEL_DS);
-	err = sys_timer_create(clock,
-			       (struct sigevent __user *) &se,
-			       (timer_t __user *) &t);
-	set_fs(oldfs);
-
-	if (!err)
-		err = __put_user (t, timer_id);
-
-	return err;
-}
diff --git a/arch/sparc64/kernel/sys_sunos32.c b/arch/sparc64/kernel/sys_sunos32.c
index bfa4aa68312d..ae5b32f817f0 100644
--- a/arch/sparc64/kernel/sys_sunos32.c
+++ b/arch/sparc64/kernel/sys_sunos32.c
@@ -12,6 +12,7 @@
 #include <linux/kernel.h>
 #include <linux/sched.h>
 #include <linux/types.h>
+#include <linux/capability.h>
 #include <linux/compat.h>
 #include <linux/mman.h>
 #include <linux/mm.h>
diff --git a/arch/sparc64/kernel/systbls.S b/arch/sparc64/kernel/systbls.S
index 53eaf2345fe9..bf0fc5bfbfbe 100644
--- a/arch/sparc64/kernel/systbls.S
+++ b/arch/sparc64/kernel/systbls.S
@@ -41,7 +41,7 @@ sys_call_table32:
 /*90*/	.word sys_dup2, sys_setfsuid, compat_sys_fcntl, sys32_select, sys_setfsgid
 	.word sys_fsync, sys32_setpriority, sys_nis_syscall, sys_nis_syscall, sys_nis_syscall
 /*100*/ .word sys32_getpriority, sys32_rt_sigreturn, sys32_rt_sigaction, sys32_rt_sigprocmask, sys32_rt_sigpending
-	.word compat_sys_rt_sigtimedwait, sys32_rt_sigqueueinfo, sys32_rt_sigsuspend, sys_setresuid, sys_getresuid
+	.word compat_sys_rt_sigtimedwait, sys32_rt_sigqueueinfo, compat_sys_rt_sigsuspend, sys_setresuid, sys_getresuid
 /*110*/	.word sys_setresgid, sys_getresgid, sys_setregid, sys_nis_syscall, sys_nis_syscall
 	.word sys32_getgroups, sys32_gettimeofday, sys32_getrusage, sys_nis_syscall, sys_getcwd
 /*120*/	.word compat_sys_readv, compat_sys_writev, sys32_settimeofday, sys32_fchown16, sys_fchmod
@@ -73,10 +73,13 @@ sys_call_table32:
 /*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
 /*260*/	.word compat_sys_sched_getaffinity, compat_sys_sched_setaffinity, sys32_timer_settime, compat_sys_timer_gettime, sys_timer_getoverrun
-	.word sys_timer_delete, sys32_timer_create, sys_ni_syscall, compat_sys_io_setup, sys_io_destroy
+	.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
 	.word compat_sys_mq_timedsend, compat_sys_mq_timedreceive, compat_sys_mq_notify, compat_sys_mq_getsetattr, compat_sys_waitid
-/*280*/	.word sys_ni_syscall, sys_add_key, sys_request_key, sys_keyctl
+/*280*/	.word sys_ni_syscall, sys_add_key, sys_request_key, sys_keyctl, compat_sys_openat
+	.word sys_mkdirat, sys_mknodat, sys_fchownat, compat_sys_futimesat, compat_sys_newfstatat
+/*285*/	.word sys_unlinkat, sys_renameat, sys_linkat, sys_symlinkat, sys_readlinkat
+	.word sys_fchmodat, sys_faccessat, compat_sys_pselect6, compat_sys_ppoll
 
 #endif /* CONFIG_COMPAT */
 
@@ -98,7 +101,7 @@ sys_call_table:
 	.word sys_umount, sys_setgid, sys_getgid, sys_signal, sys_geteuid
 /*50*/	.word sys_getegid, sys_acct, sys_memory_ordering, sys_nis_syscall, sys_ioctl
 	.word sys_reboot, sys_nis_syscall, sys_symlink, sys_readlink, sys_execve
-/*60*/	.word sys_umask, sys_chroot, sys_newfstat, sys_stat64, sys_getpagesize
+/*60*/	.word sys_umask, sys_chroot, sys_newfstat, sys_fstat64, sys_getpagesize
 	.word sys_msync, sys_vfork, sys_pread64, sys_pwrite64, sys_nis_syscall
 /*70*/	.word sys_nis_syscall, sys_mmap, sys_nis_syscall, sys64_munmap, sys_mprotect
 	.word sys_madvise, sys_vhangup, sys_nis_syscall, sys_mincore, sys_getgroups
@@ -142,7 +145,10 @@ sys_call_table:
 	.word sys_timer_delete, sys_timer_create, sys_ni_syscall, sys_io_setup, sys_io_destroy
 /*270*/	.word sys_io_submit, sys_io_cancel, sys_io_getevents, sys_mq_open, sys_mq_unlink
 	.word sys_mq_timedsend, sys_mq_timedreceive, sys_mq_notify, sys_mq_getsetattr, sys_waitid
-/*280*/	.word sys_nis_syscall, sys_add_key, sys_request_key, sys_keyctl
+/*280*/	.word sys_nis_syscall, sys_add_key, sys_request_key, sys_keyctl, sys_openat
+	.word sys_mkdirat, sys_mknodat, sys_fchownat, sys_futimesat, compat_sys_newfstatat
+/*285*/	.word sys_unlinkat, sys_renameat, sys_linkat, sys_symlinkat, sys_readlinkat
+	.word sys_fchmodat, sys_faccessat, sys_pselect6, sys_ppoll
 
 #if defined(CONFIG_SUNOS_EMUL) || defined(CONFIG_SOLARIS_EMUL) || \
     defined(CONFIG_SOLARIS_EMUL_MODULE)
@@ -239,13 +245,20 @@ sunos_sys_table:
 /*250*/	.word sunos_nosys, sunos_nosys, sunos_nosys
 	.word sunos_nosys, sunos_nosys, sunos_nosys
 	.word sunos_nosys, sunos_nosys, sunos_nosys
+	.word sunos_nosys
+/*260*/	.word sunos_nosys, sunos_nosys, sunos_nosys
 	.word sunos_nosys, sunos_nosys, sunos_nosys
 	.word sunos_nosys, sunos_nosys, sunos_nosys
+	.word sunos_nosys
+/*270*/	.word sunos_nosys, sunos_nosys, sunos_nosys
 	.word sunos_nosys, sunos_nosys, sunos_nosys
 	.word sunos_nosys, sunos_nosys, sunos_nosys
+	.word sunos_nosys
+/*280*/	.word sunos_nosys, sunos_nosys, sunos_nosys
 	.word sunos_nosys, sunos_nosys, sunos_nosys
 	.word sunos_nosys, sunos_nosys, sunos_nosys
+	.word sunos_nosys
+/*290*/	.word sunos_nosys, sunos_nosys, sunos_nosys
 	.word sunos_nosys, sunos_nosys, sunos_nosys
 	.word sunos_nosys, sunos_nosys, sunos_nosys
-	.word sunos_nosys
 #endif
diff --git a/arch/sparc64/kernel/time.c b/arch/sparc64/kernel/time.c
index 459c8fbe02b4..a22930d62adf 100644
--- a/arch/sparc64/kernel/time.c
+++ b/arch/sparc64/kernel/time.c
@@ -280,9 +280,9 @@ static struct sparc64_tick_ops stick_operations __read_mostly = {
  * Since STICK is constantly updating, we have to access it carefully.
  *
  * The sequence we use to read is:
- * 1) read low
- * 2) read high
- * 3) read low again, if it rolled over increment high by 1
+ * 1) read high
+ * 2) read low
+ * 3) read high again, if it rolled re-read both low and high again.
  *
  * Writing STICK safely is also tricky:
  * 1) write low to zero
@@ -295,18 +295,18 @@ static struct sparc64_tick_ops stick_operations __read_mostly = {
 static unsigned long __hbird_read_stick(void)
 {
 	unsigned long ret, tmp1, tmp2, tmp3;
-	unsigned long addr = HBIRD_STICK_ADDR;
+	unsigned long addr = HBIRD_STICK_ADDR+8;
 
-	__asm__ __volatile__("ldxa	[%1] %5, %2\n\t"
-			     "add	%1, 0x8, %1\n\t"
-			     "ldxa	[%1] %5, %3\n\t"
+	__asm__ __volatile__("ldxa	[%1] %5, %2\n"
+			     "1:\n\t"
 			     "sub	%1, 0x8, %1\n\t"
+			     "ldxa	[%1] %5, %3\n\t"
+			     "add	%1, 0x8, %1\n\t"
 			     "ldxa	[%1] %5, %4\n\t"
 			     "cmp	%4, %2\n\t"
-			     "blu,a,pn	%%xcc, 1f\n\t"
-			     " add	%3, 1, %3\n"
-			     "1:\n\t"
-			     "sllx	%3, 32, %3\n\t"
+			     "bne,a,pn	%%xcc, 1b\n\t"
+			     " mov	%4, %2\n\t"
+			     "sllx	%4, 32, %4\n\t"
 			     "or	%3, %4, %0\n\t"
 			     : "=&r" (ret), "=&r" (addr),
 			       "=&r" (tmp1), "=&r" (tmp2), "=&r" (tmp3)
diff --git a/arch/sparc64/kernel/traps.c b/arch/sparc64/kernel/traps.c
index 5570e7bb22bb..8d44ae5a15e3 100644
--- a/arch/sparc64/kernel/traps.c
+++ b/arch/sparc64/kernel/traps.c
@@ -1808,7 +1808,7 @@ static void user_instruction_dump (unsigned int __user *pc)
 void show_stack(struct task_struct *tsk, unsigned long *_ksp)
 {
 	unsigned long pc, fp, thread_base, ksp;
-	struct thread_info *tp = tsk->thread_info;
+	void *tp = task_stack_page(tsk);
 	struct reg_window *rw;
 	int count = 0;
 
@@ -1862,7 +1862,7 @@ static inline int is_kernel_stack(struct task_struct *task,
 			return 0;
 	}
 
-	thread_base = (unsigned long) task->thread_info;
+	thread_base = (unsigned long) task_stack_page(task);
 	thread_end = thread_base + sizeof(union thread_union);
 	if (rw_addr >= thread_base &&
 	    rw_addr < thread_end &&