Merge with Linux 2.4.0-test6-pre4.

14 files changed, 114 insertions, 202 deletions

diff --git a/arch/sparc64/kernel/ebus.c b/arch/sparc64/kernel/ebus.c
index f64422a0e..5872046b1 100644
--- a/arch/sparc64/kernel/ebus.c
+++ b/arch/sparc64/kernel/ebus.c
@@ -1,4 +1,4 @@
-/* $Id: ebus.c,v 1.47 2000/03/25 05:18:10 davem Exp $
+/* $Id: ebus.c,v 1.48 2000/08/02 06:22:35 davem Exp $
  * ebus.c: PCI to EBus bridge device.
  *
  * Copyright (C) 1997  Eddie C. Dost  (ecd@skynet.be)
@@ -34,6 +34,9 @@ extern int flash_init(void);
 #ifdef CONFIG_ENVCTRL
 extern int envctrl_init(void);
 #endif
+#ifdef CONFIG_DISPLAY7SEG
+extern int d7s_init(void);
+#endif
 
 static inline void *ebus_alloc(size_t size)
 {
@@ -384,6 +387,9 @@ void __init ebus_init(void)
 #ifdef CONFIG_OBP_FLASH
 	flash_init();
 #endif
+#ifdef CONFIG_DISPLAY7SEG
+	d7s_init();
+#endif
 	clock_probe();
 	power_init();
 }
diff --git a/arch/sparc64/kernel/entry.S b/arch/sparc64/kernel/entry.S
index 3195d3e75..e95e0392e 100644
--- a/arch/sparc64/kernel/entry.S
+++ b/arch/sparc64/kernel/entry.S
@@ -1,4 +1,4 @@
-/* $Id: entry.S,v 1.117 2000/07/11 02:21:12 davem Exp $
+/* $Id: entry.S,v 1.118 2000/08/01 00:11:31 davem Exp $
  * arch/sparc64/kernel/entry.S:  Sparc64 trap low-level entry points.
  *
  * Copyright (C) 1995,1997 David S. Miller (davem@caip.rutgers.edu)
@@ -980,7 +980,7 @@ linux_syscall_trace:
 	.align	32
 	.globl	linux_sparc_syscall32
 linux_sparc_syscall32:
-	/* Direct access to user regs, must faster. */
+	/* Direct access to user regs, much faster. */
 	cmp		%g1, NR_SYSCALLS			! IEU1	Group
 	bgeu,pn		%xcc, linux_sparc_ni_syscall		! CTI
 	 srl		%i0, 0, %o0				! IEU0
@@ -1009,7 +1009,7 @@ linux_sparc_syscall32:
 	.align	32
 	.globl	linux_sparc_syscall, ret_sys_call
 linux_sparc_syscall:
-	/* Direct access to user regs, must faster. */
+	/* Direct access to user regs, much faster. */
 	cmp		%g1, NR_SYSCALLS			! IEU1	Group
 	bgeu,pn		%xcc, linux_sparc_ni_syscall		! CTI
 	 mov		%i0, %o0				! IEU0
diff --git a/arch/sparc64/kernel/ioctl32.c b/arch/sparc64/kernel/ioctl32.c
index 98e209de2..d4f499726 100644
--- a/arch/sparc64/kernel/ioctl32.c
+++ b/arch/sparc64/kernel/ioctl32.c
@@ -1,4 +1,4 @@
-/* $Id: ioctl32.c,v 1.93 2000/07/24 22:43:15 anton Exp $
+/* $Id: ioctl32.c,v 1.96 2000/08/02 06:22:35 davem Exp $
  * ioctl32.c: Conversion between 32bit and 64bit native ioctls.
  *
  * Copyright (C) 1997-2000  Jakub Jelinek  (jakub@redhat.com)
@@ -72,7 +72,7 @@
 #include <asm/envctrl.h>
 #include <asm/audioio.h>
 #include <asm/ethtool.h>
-
+#include <asm/display7seg.h>
 #include <linux/soundcard.h>
 
 #include <linux/atm.h>
@@ -3175,6 +3175,9 @@ COMPATIBLE_IOCTL(RTCGET)
 COMPATIBLE_IOCTL(RTCSET)
 COMPATIBLE_IOCTL(I2CIOCSADR)
 COMPATIBLE_IOCTL(I2CIOCGADR)
+COMPATIBLE_IOCTL(D7SIOCRD)
+COMPATIBLE_IOCTL(D7SIOCWR)
+COMPATIBLE_IOCTL(D7SIOCTM)
 /* Little m */
 COMPATIBLE_IOCTL(MTIOCTOP)
 /* OPENPROMIO, SunOS/Solaris only, the NetBSD one's have
@@ -3725,7 +3728,9 @@ int register_ioctl32_conversion(unsigned int cmd, int (*handler)(unsigned int, u
 	int i;
 	if (!additional_ioctls) {
 		additional_ioctls = module_map(PAGE_SIZE);
-		if (!additional_ioctls) return -ENOMEM;
+		if (!additional_ioctls)
+			return -ENOMEM;
+		memset(additional_ioctls, 0, PAGE_SIZE);
 	}
 	for (i = 0; i < PAGE_SIZE/sizeof(struct ioctl_trans); i++)
 		if (!additional_ioctls[i].cmd)
@@ -3773,7 +3778,6 @@ asmlinkage int sys32_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)
 	int (*handler)(unsigned int, unsigned int, unsigned long, struct file * filp);
 	struct ioctl_trans *t;
 
-	lock_kernel();
 	filp = fget(fd);
 	if(!filp)
 		goto out2;
@@ -3801,6 +3805,5 @@ asmlinkage int sys32_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)
 out:
 	fput(filp);
 out2:
-	unlock_kernel();
 	return error;
 }
diff --git a/arch/sparc64/kernel/irq.c b/arch/sparc64/kernel/irq.c
index 12925b1c2..c7f4905b8 100644
--- a/arch/sparc64/kernel/irq.c
+++ b/arch/sparc64/kernel/irq.c
@@ -1,4 +1,4 @@
-/* $Id: irq.c,v 1.89 2000/06/30 10:18:38 davem Exp $
+/* $Id: irq.c,v 1.90 2000/08/01 00:28:33 davem Exp $
  * irq.c: UltraSparc IRQ handling/init/registry.
  *
  * Copyright (C) 1997  David S. Miller  (davem@caip.rutgers.edu)
@@ -548,13 +548,7 @@ out:
 	restore_flags(flags);
 }
 
-/* Only uniprocessor needs this IRQ/BH locking depth, on SMP it
- * lives in the brlock table for cache reasons.
- */
-#ifndef CONFIG_SMP
-unsigned int __local_irq_count;
-unsigned int __local_bh_count;
-#else
+#ifdef CONFIG_SMP
 
 /* Who has global_irq_lock. */
 unsigned char global_irq_holder = NO_PROC_ID;
@@ -571,7 +565,7 @@ static void show(char * str)
 	printk("]\nbh:   %d [ ",
 	       (spin_is_locked(&global_bh_lock) ? 1 : 0));
 	for (i = 0; i < smp_num_cpus; i++)
-		printk("%u ", cpu_data[i].bh_count);
+		printk("%u ", local_bh_count(i));
 	printk("]\n");
 }
 
@@ -768,10 +762,12 @@ void handler_irq(int irq, struct pt_regs *regs)
 
 		nbp = __bucket(bp->irq_chain);
 		if ((flags & IBF_ACTIVE) != 0) {
+#ifdef CONFIG_PCI
 			if ((flags & IBF_DMA_SYNC) != 0) {
 				upa_readl(dma_sync_reg_table[bp->synctab_ent]);
 				upa_readq(pci_dma_wsync);
 			}
+#endif
 			if ((flags & IBF_MULTI) == 0) {
 				struct irqaction *ap = bp->irq_info;
 				ap->handler(__irq(bp), ap->dev_id, regs);
diff --git a/arch/sparc64/kernel/process.c b/arch/sparc64/kernel/process.c
index 2d5d81452..5784201e2 100644
--- a/arch/sparc64/kernel/process.c
+++ b/arch/sparc64/kernel/process.c
@@ -1,4 +1,4 @@
-/*  $Id: process.c,v 1.109 2000/07/11 01:38:57 davem Exp $
+/*  $Id: process.c,v 1.110 2000/07/28 09:43:39 davem Exp $
  *  arch/sparc64/kernel/process.c
  *
  *  Copyright (C) 1995, 1996 David S. Miller (davem@caip.rutgers.edu)
@@ -524,7 +524,7 @@ void synchronize_user_stack(void)
 	}
 }
 
-void fault_in_user_windows(struct pt_regs *regs)
+void fault_in_user_windows(void)
 {
 	struct thread_struct *t = &current->thread;
 	unsigned long window;
diff --git a/arch/sparc64/kernel/rtrap.S b/arch/sparc64/kernel/rtrap.S
index 1c9b6ac3f..3295938e6 100644
--- a/arch/sparc64/kernel/rtrap.S
+++ b/arch/sparc64/kernel/rtrap.S
@@ -1,4 +1,4 @@
-/* $Id: rtrap.S,v 1.49 2000/03/29 09:55:31 davem Exp $
+/* $Id: rtrap.S,v 1.51 2000/07/28 09:43:39 davem Exp $
  * rtrap.S: Preparing for return from trap on Sparc V9.
  *
  * Copyright (C) 1997,1998 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
@@ -40,8 +40,9 @@ __handle_preemption:
 __handle_user_windows:
 		wrpr			%g0, RTRAP_PSTATE, %pstate
 		call			fault_in_user_windows
-		 add			%sp, STACK_BIAS + REGWIN_SZ, %g0
-		ba,a,pt			%xcc, __handle_user_windows_continue
+		 nop
+		ba,pt			%xcc, __handle_user_windows_continue
+		 nop
 __handle_perfctrs:
 		/* Don't forget to preserve user window invariants. */
 		wrpr			%g0, RTRAP_PSTATE, %pstate
@@ -54,9 +55,9 @@ __handle_perfctrs:
 		wrpr			%g0, RTRAP_PSTATE, %pstate
 
 		call			fault_in_user_windows
-		 add			%sp, STACK_BIAS + REGWIN_SZ, %o0
+		 nop
 		ba,pt			%xcc, __handle_perfctrs_continue
-		 nop			
+		 nop
 __handle_userfpu:
 		rd			%fprs, %l5
 		andcc			%l5, FPRS_FEF, %g0
@@ -69,18 +70,25 @@ __handle_signal:
 		mov			%l6, %o3
 		call			do_signal
 		 add			%sp, STACK_BIAS + REGWIN_SZ, %o1
+		clr			%l6
+
+		/* Signal delivery can modify pt_regs tstate, so we must
+		 * reload it.
+		 */
+		ldx			[%sp + PTREGS_OFF + PT_V9_TSTATE], %l1
+		sethi			%hi(0xf << 20), %l4
+		and			%l1, %l4, %l4
 		ba,pt			%xcc, __handle_signal_continue
-		 clr			%l6
-		nop
+		 andn			%l1, %l4, %l1
 
 		.align			64
 		.globl			rtrap_clr_l6, rtrap
 rtrap_clr_l6:	clr			%l6
 rtrap:		lduw			[%g6 + AOFF_task_processor], %l0
-		sethi			%hi(softirq_state), %l2
-		or			%l2, %lo(softirq_state), %l2
+		sethi			%hi(irq_stat), %l2	! &softirq_active
+		or			%l2, %lo(irq_stat), %l2	! &softirq_active
 		sllx			%l0, 6, %l0
-		ldx			[%l2 + %l0], %l1
+		ldx			[%l2 + %l0], %l1	! softirq_active + softirq_mask
 		srlx			%l1, 32, %l2
 		andcc			%l1, %l2, %g0
 
diff --git a/arch/sparc64/kernel/signal.c b/arch/sparc64/kernel/signal.c
index c666dc408..d1e7e4215 100644
--- a/arch/sparc64/kernel/signal.c
+++ b/arch/sparc64/kernel/signal.c
@@ -1,4 +1,4 @@
-/*  $Id: signal.c,v 1.52 2000/07/07 04:25:17 davem Exp $
+/*  $Id: signal.c,v 1.53 2000/07/30 23:12:24 davem Exp $
  *  arch/sparc64/kernel/signal.c
  *
  *  Copyright (C) 1991, 1992  Linus Torvalds
@@ -166,7 +166,6 @@ asmlinkage void sparc64_set_context(struct pt_regs *regs)
 
 	return;
 do_sigsegv:
-	lock_kernel();
 	do_exit(SIGSEGV);
 }
 
@@ -254,7 +253,6 @@ asmlinkage void sparc64_get_context(struct pt_regs *regs)
 
 	return;
 do_sigsegv:
-	lock_kernel();
 	do_exit(SIGSEGV);
 }
 
@@ -566,10 +564,8 @@ setup_rt_frame(struct k_sigaction *ka, struct pt_regs *regs,
 	return;
 
 sigill:
-	lock_kernel();
 	do_exit(SIGILL);
 sigsegv:
-	lock_kernel();
 	do_exit(SIGSEGV);
 }
 
diff --git a/arch/sparc64/kernel/smp.c b/arch/sparc64/kernel/smp.c
index f99b9660c..96f8624ca 100644
--- a/arch/sparc64/kernel/smp.c
+++ b/arch/sparc64/kernel/smp.c
@@ -87,7 +87,6 @@ void __init smp_store_cpu_info(int id)
 {
 	int i;
 
-	cpu_data[id].bh_count			= 0;
 	/* multiplier and counter set by
 	   smp_setup_percpu_timer()  */
 	cpu_data[id].udelay_val			= loops_per_sec;
diff --git a/arch/sparc64/kernel/sparc64_ksyms.c b/arch/sparc64/kernel/sparc64_ksyms.c
index eccc7885a..4a79b76bf 100644
--- a/arch/sparc64/kernel/sparc64_ksyms.c
+++ b/arch/sparc64/kernel/sparc64_ksyms.c
@@ -1,4 +1,4 @@
-/* $Id: sparc64_ksyms.c,v 1.86 2000/06/30 10:18:38 davem Exp $
+/* $Id: sparc64_ksyms.c,v 1.89 2000/07/28 12:15:02 davem Exp $
  * arch/sparc64/kernel/sparc64_ksyms.c: Sparc64 specific ksyms support.
  *
  * Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu)
@@ -65,7 +65,6 @@ extern int __strncmp(const char *, const char *, __kernel_size_t);
 extern __kernel_size_t __strlen(const char *);
 extern __kernel_size_t strlen(const char *);
 extern char saved_command_line[];
-extern char *getname32(u32 name);
 extern void linux_sparc_syscall(void);
 extern void rtrap(void);
 extern void show_regs(struct pt_regs *);
@@ -84,6 +83,7 @@ extern long sparc32_open(const char * filename, int flags, int mode);
 extern int register_ioctl32_conversion(unsigned int cmd, int (*handler)(unsigned int, unsigned int, unsigned long, struct file *));
 extern int unregister_ioctl32_conversion(unsigned int cmd);
 extern int io_remap_page_range(unsigned long from, unsigned long offset, unsigned long size, pgprot_t prot, int space);
+extern void flush_dcache_page(void *addr);
                 
 extern int __ashrdi3(int, int);
 
@@ -156,9 +156,6 @@ EXPORT_SYMBOL(_do_write_lock);
 EXPORT_SYMBOL(_do_write_unlock);
 #endif
 
-#else
-EXPORT_SYMBOL(__local_bh_count);
-EXPORT_SYMBOL(__local_irq_count);
 #endif
 
 /* rw semaphores */
@@ -183,6 +180,8 @@ EXPORT_SYMBOL(disable_irq);
 
 EXPORT_SYMBOL_PRIVATE(flushw_user);
 
+EXPORT_SYMBOL(flush_dcache_page);
+
 EXPORT_SYMBOL(mstk48t02_regs);
 EXPORT_SYMBOL(request_fast_irq);
 #if CONFIG_SBUS
@@ -279,7 +278,6 @@ EXPORT_SYMBOL(strtok);
 EXPORT_SYMBOL(strstr);
 
 #ifdef CONFIG_SOLARIS_EMUL_MODULE
-EXPORT_SYMBOL(getname32);
 EXPORT_SYMBOL(linux_sparc_syscall);
 EXPORT_SYMBOL(rtrap);
 EXPORT_SYMBOL(show_regs);
diff --git a/arch/sparc64/kernel/sunos_ioctl32.c b/arch/sparc64/kernel/sunos_ioctl32.c
index d32ea68c2..bcfa77a39 100644
--- a/arch/sparc64/kernel/sunos_ioctl32.c
+++ b/arch/sparc64/kernel/sunos_ioctl32.c
@@ -1,4 +1,4 @@
-/* $Id: sunos_ioctl32.c,v 1.10 1998/08/15 20:42:46 davem Exp $
+/* $Id: sunos_ioctl32.c,v 1.11 2000/07/30 23:12:24 davem Exp $
  * sunos_ioctl32.c: SunOS ioctl compatability on sparc64.
  *
  * Copyright (C) 1995 Miguel de Icaza (miguel@nuclecu.unam.mx)
@@ -98,7 +98,6 @@ asmlinkage int sunos_ioctl (int fd, u32 cmd, u32 arg)
 {
 	int ret = -EBADF;
 
-	lock_kernel();
 	if(fd >= SUNOS_NR_OPEN)
 		goto out;
 	if(!fcheck(fd))
@@ -281,6 +280,5 @@ asmlinkage int sunos_ioctl (int fd, u32 cmd, u32 arg)
 	/* so stupid... */
 	ret = (ret == -EINVAL ? -EOPNOTSUPP : ret);
 out:
-	unlock_kernel();
 	return ret;
 }
diff --git a/arch/sparc64/kernel/sys_sparc.c b/arch/sparc64/kernel/sys_sparc.c
index 859d0c7ea..e869af4e6 100644
--- a/arch/sparc64/kernel/sys_sparc.c
+++ b/arch/sparc64/kernel/sys_sparc.c
@@ -1,4 +1,4 @@
-/* $Id: sys_sparc.c,v 1.44 2000/07/10 20:57:35 davem Exp $
+/* $Id: sys_sparc.c,v 1.45 2000/07/30 23:12:24 davem Exp $
  * linux/arch/sparc64/kernel/sys_sparc.c
  *
  * This file contains various random system calls that
@@ -299,13 +299,14 @@ c_sys_nis_syscall (struct pt_regs *regs)
 	static int count=0;
 	
 	/* Don't make the system unusable, if someone goes stuck */
-	if (count++ > 5) return -ENOSYS;
-	lock_kernel();
+	if (count++ > 5)
+		return -ENOSYS;
+
 	printk ("Unimplemented SPARC system call %ld\n",regs->u_regs[1]);
 #ifdef DEBUG_UNIMP_SYSCALL	
 	show_regs (regs);
 #endif
-	unlock_kernel();
+
 	return -ENOSYS;
 }
 
@@ -316,7 +317,6 @@ sparc_breakpoint (struct pt_regs *regs)
 {
 	siginfo_t info;
 
-	lock_kernel();
 #ifdef DEBUG_SPARC_BREAKPOINT
         printk ("TRAP: Entering kernel PC=%lx, nPC=%lx\n", regs->tpc, regs->tnpc);
 #endif
@@ -329,7 +329,6 @@ sparc_breakpoint (struct pt_regs *regs)
 #ifdef DEBUG_SPARC_BREAKPOINT
 	printk ("TRAP: Returning to space: PC=%lx nPC=%lx\n", regs->tpc, regs->tnpc);
 #endif
-	unlock_kernel();
 }
 
 extern void check_pending(int signum);
@@ -364,7 +363,7 @@ asmlinkage int sys_aplib(void)
 asmlinkage int solaris_syscall(struct pt_regs *regs)
 {
 	static int count = 0;
-	lock_kernel();
+
 	regs->tpc = regs->tnpc;
 	regs->tnpc += 4;
 	if(++count <= 5) {
@@ -372,7 +371,7 @@ asmlinkage int solaris_syscall(struct pt_regs *regs)
 		show_regs (regs);
 	}
 	send_sig(SIGSEGV, current, 1);
-	unlock_kernel();
+
 	return -ENOSYS;
 }
 
@@ -380,13 +379,13 @@ asmlinkage int solaris_syscall(struct pt_regs *regs)
 asmlinkage int sunos_syscall(struct pt_regs *regs)
 {
 	static int count = 0;
-	lock_kernel();
+
 	regs->tpc = regs->tnpc;
 	regs->tnpc += 4;
 	if(++count <= 20)
 		printk ("SunOS binary emulation not compiled in\n");
 	force_sig(SIGSEGV, current);
-	unlock_kernel();
+
 	return -ENOSYS;
 }
 #endif
@@ -408,32 +407,37 @@ asmlinkage int sys_utrap_install(utrap_entry_t type, utrap_handler_t new_p,
 			put_user_ret(NULL, old_d, -EFAULT);
 		return 0;
 	}
-	lock_kernel();
 	if (!current->thread.utraps) {
-		current->thread.utraps = kmalloc((UT_TRAP_INSTRUCTION_31+1)*sizeof(long), GFP_KERNEL);
+		current->thread.utraps =
+			kmalloc((UT_TRAP_INSTRUCTION_31+1)*sizeof(long), GFP_KERNEL);
 		if (!current->thread.utraps) return -ENOMEM;
 		current->thread.utraps[0] = 1;
 		memset(current->thread.utraps+1, 0, UT_TRAP_INSTRUCTION_31*sizeof(long));
 	} else {
-		if ((utrap_handler_t)current->thread.utraps[type] != new_p && current->thread.utraps[0] > 1) {
+		if ((utrap_handler_t)current->thread.utraps[type] != new_p &&
+		    current->thread.utraps[0] > 1) {
 			long *p = current->thread.utraps;
-			
-			current->thread.utraps = kmalloc((UT_TRAP_INSTRUCTION_31+1)*sizeof(long), GFP_KERNEL);
+
+			current->thread.utraps =
+				kmalloc((UT_TRAP_INSTRUCTION_31+1)*sizeof(long),
+					GFP_KERNEL);
 			if (!current->thread.utraps) {
 				current->thread.utraps = p;
 				return -ENOMEM;
 			}
 			p[0]--;
 			current->thread.utraps[0] = 1;
-			memcpy(current->thread.utraps+1, p+1, UT_TRAP_INSTRUCTION_31*sizeof(long));
+			memcpy(current->thread.utraps+1, p+1,
+			       UT_TRAP_INSTRUCTION_31*sizeof(long));
 		}
 	}
 	if (old_p)
-		put_user_ret((utrap_handler_t)(current->thread.utraps[type]), old_p, -EFAULT);
+		put_user_ret((utrap_handler_t)(current->thread.utraps[type]),
+			     old_p, -EFAULT);
 	if (old_d)
 		put_user_ret(NULL, old_d, -EFAULT);
 	current->thread.utraps[type] = (long)new_p;
-	unlock_kernel();
+
 	return 0;
 }
 
diff --git a/arch/sparc64/kernel/sys_sparc32.c b/arch/sparc64/kernel/sys_sparc32.c
index 89c1a90ea..7d8a71d6a 100644
--- a/arch/sparc64/kernel/sys_sparc32.c
+++ b/arch/sparc64/kernel/sys_sparc32.c
@@ -1,4 +1,4 @@
-/* $Id: sys_sparc32.c,v 1.156 2000/07/13 10:59:13 davem Exp $
+/* $Id: sys_sparc32.c,v 1.158 2000/07/29 00:55:49 davem Exp $
  * sys_sparc32.c: Conversion between 32bit and 64bit native syscalls.
  *
  * Copyright (C) 1997,1998 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
@@ -253,45 +253,6 @@ asmlinkage long sys32_getegid16(void)
 	return high2lowgid(current->egid);
 }
 
-/* In order to reduce some races, while at the same time doing additional
- * checking and hopefully speeding things up, we copy filenames to the
- * kernel data space before using them..
- *
- * POSIX.1 2.4: an empty pathname is invalid (ENOENT).
- */
-static inline int do_getname32(const char *filename, char *page)
-{
-	int retval;
-
-	/* 32bit pointer will be always far below TASK_SIZE :)) */
-	retval = strncpy_from_user((char *)page, (char *)filename, PAGE_SIZE);
-	if (retval > 0) {
-		if (retval < PAGE_SIZE)
-			return 0;
-		return -ENAMETOOLONG;
-	} else if (!retval)
-		retval = -ENOENT;
-	return retval;
-}
-
-char * getname32(const char *filename)
-{
-	char *tmp, *result;
-
-	result = ERR_PTR(-ENOMEM);
-	tmp = __getname();
-	if (tmp)  {
-		int retval = do_getname32(filename, tmp);
-
-		result = tmp;
-		if (retval < 0) {
-			putname(tmp);
-			result = ERR_PTR(retval);
-		}
-	}
-	return result;
-}
-
 /* 32-bit timeval and related flotsam.  */
 
 struct timeval32
@@ -799,7 +760,6 @@ asmlinkage int sys32_ipc (u32 call, int first, int second, int third, u32 ptr, u
 {
 	int version, err;
 
-	lock_kernel();
 	version = call >> 16; /* hack for backward compatibility */
 	call &= 0xffff;
 
@@ -861,7 +821,6 @@ asmlinkage int sys32_ipc (u32 call, int first, int second, int third, u32 ptr, u
 	err = -EINVAL;
 
 out:
-	unlock_kernel();
 	return err;
 }
 
@@ -953,7 +912,7 @@ asmlinkage int sys32_quotactl(int cmd, const char *special, int id, unsigned lon
 		return sys_quotactl(cmd, special,
 				    id, (caddr_t)addr);
 	}
-	spec = getname32 (special);
+	spec = getname (special);
 	err = PTR_ERR(spec);
 	if (IS_ERR(spec)) return err;
 	old_fs = get_fs ();
@@ -998,7 +957,7 @@ asmlinkage int sys32_statfs(const char * path, struct statfs32 *buf)
 	mm_segment_t old_fs = get_fs();
 	char *pth;
 	
-	pth = getname32 (path);
+	pth = getname (path);
 	ret = PTR_ERR(pth);
 	if (!IS_ERR(pth)) {
 		set_fs (KERNEL_DS);
@@ -1064,7 +1023,7 @@ asmlinkage int sys32_utime(char * filename, struct utimbuf32 *times)
 	if (get_user (t.actime, &times->actime) ||
 	    __get_user (t.modtime, &times->modtime))
 		return -EFAULT;
-	filenam = getname32 (filename);
+	filenam = getname (filename);
 	ret = PTR_ERR(filenam);
 	if (!IS_ERR(filenam)) {
 		old_fs = get_fs();
@@ -1572,6 +1531,16 @@ static int cp_new_stat32(struct inode *inode, struct stat32 *statbuf)
 	return err;
 }
 
+/* Perhaps this belongs in fs.h or similar. -DaveM */
+static __inline__ int
+do_revalidate(struct dentry *dentry)
+{
+	struct inode * inode = dentry->d_inode;
+	if (inode->i_op && inode->i_op->revalidate)
+		return inode->i_op->revalidate(dentry);
+	return 0;
+}
+
 asmlinkage int sys32_newstat(char * filename, struct stat32 *statbuf)
 {
 	struct nameidata nd;
@@ -1579,16 +1548,9 @@ asmlinkage int sys32_newstat(char * filename, struct stat32 *statbuf)
 
 	error = user_path_walk(filename, &nd);
 	if (!error) {
-		struct inode *inode = nd.dentry->d_inode;
-
-		if (inode->i_op &&
-		    inode->i_op->revalidate)
-			error = inode->i_op->revalidate(nd.dentry);
-		else
-			error = 0;
+		error = do_revalidate(nd.dentry);
 		if (!error)
-			error = cp_new_stat32(inode, statbuf);
-
+			error = cp_new_stat32(nd.dentry->d_inode, statbuf);
 		path_release(&nd);
 	}
 	return error;
@@ -1601,15 +1563,9 @@ asmlinkage int sys32_newlstat(char * filename, struct stat32 *statbuf)
 
 	error = user_path_walk_link(filename, &nd);
 	if (!error) {
-		struct inode *inode = nd.dentry->d_inode;
-
-		if (inode->i_op &&
-		    inode->i_op->revalidate)
-			error = inode->i_op->revalidate(nd.dentry);
-		else
-			error = 0;
+		error = do_revalidate(nd.dentry);
 		if (!error)
-			error = cp_new_stat32(inode, statbuf);
+			error = cp_new_stat32(nd.dentry->d_inode, statbuf);
 
 		path_release(&nd);
 	}
@@ -1623,16 +1579,11 @@ asmlinkage int sys32_newfstat(unsigned int fd, struct stat32 *statbuf)
 
 	f = fget(fd);
 	if (f) {
-		struct inode *inode = f->f_dentry->d_inode;
+		struct dentry * dentry = f->f_dentry;
 
-		if (inode->i_op &&
-		    inode->i_op->revalidate)
-			err = inode->i_op->revalidate(f->f_dentry);
-		else
-			err = 0;
+		err = do_revalidate(dentry);
 		if (!err)
-			err = cp_new_stat32(inode, statbuf);
-
+			err = cp_new_stat32(dentry->d_inode, statbuf);
 		fput(f);
 	}
 	return err;
@@ -1738,7 +1689,6 @@ asmlinkage int sys32_mount(char *dev_name, char *dir_name, char *type, unsigned
 
 	is_smb = is_ncp = 0;
 
-	lock_kernel();
 	err = copy_mount_stuff_to_kernel((const void *)type, &type_page);
 	if (err)
 		goto out;
@@ -1764,16 +1714,20 @@ asmlinkage int sys32_mount(char *dev_name, char *dir_name, char *type, unsigned
 		goto dev_out;
 
 	if (!is_smb && !is_ncp) {
+		lock_kernel();
 		err = do_mount((char*)dev_page, (char*)dir_page,
 				(char*)type_page, new_flags, (char*)data_page);
+		unlock_kernel();
 	} else {
 		if (is_ncp)
 			do_ncp_super_data_conv((void *)data_page);
 		else
 			do_smb_super_data_conv((void *)data_page);
 
+		lock_kernel();
 		err = do_mount((char*)dev_page, (char*)dir_page,
 				(char*)type_page, new_flags, (char*)data_page);
+		unlock_kernel();
 	}
 	free_page(dir_page);
 
@@ -1787,7 +1741,6 @@ type_out:
 	free_page(type_page);
 
 out:
-	unlock_kernel();
 	return err;
 }
 
@@ -2234,34 +2187,9 @@ asmlinkage int sys32_getrusage(int who, struct rusage32 *ru)
 					   24 for IPv6,
 					   about 80 for AX.25 */
 
-/* XXX These as well... */
-extern __inline__ struct socket *socki_lookup(struct inode *inode)
-{
-	return &inode->u.socket_i;
-}
-
-extern __inline__ struct socket *sockfd_lookup(int fd, int *err)
-{
-	struct file *file;
-	struct inode *inode;
-
-	if (!(file = fget(fd)))
-	{
-		*err = -EBADF;
-		return NULL;
-	}
-
-	inode = file->f_dentry->d_inode;
-	if (!inode || !inode->i_sock || !socki_lookup(inode))
-	{
-		*err = -ENOTSOCK;
-		fput(file);
-		return NULL;
-	}
-
-	return socki_lookup(inode);
-}
+extern struct socket *sockfd_lookup(int fd, int *err);
 
+/* XXX This as well... */
 extern __inline__ void sockfd_put(struct socket *sock)
 {
 	fput(sock->file);
@@ -2678,7 +2606,6 @@ asmlinkage int sys32_sendmsg(int fd, struct msghdr32 *user_msg, unsigned user_fl
 	}
 	kern_msg.msg_flags = user_flags;
 
-	lock_kernel();
 	sock = sockfd_lookup(fd, &err);
 	if (sock != NULL) {
 		if (sock->file->f_flags & O_NONBLOCK)
@@ -2686,7 +2613,6 @@ asmlinkage int sys32_sendmsg(int fd, struct msghdr32 *user_msg, unsigned user_fl
 		err = sock_sendmsg(sock, &kern_msg, total_len);
 		sockfd_put(sock);
 	}
-	unlock_kernel();
 
 	/* N.B. Use kfree here, as kern_msg.msg_controllen might change? */
 	if(ctl_buf != ctl)
@@ -2725,7 +2651,6 @@ asmlinkage int sys32_recvmsg(int fd, struct msghdr32 *user_msg, unsigned int use
 	cmsg_ptr = (unsigned long) kern_msg.msg_control;
 	kern_msg.msg_flags = 0;
 
-	lock_kernel();
 	sock = sockfd_lookup(fd, &err);
 	if (sock != NULL) {
 		struct scm_cookie scm;
@@ -2762,7 +2687,6 @@ asmlinkage int sys32_recvmsg(int fd, struct msghdr32 *user_msg, unsigned int use
 		}
 		sockfd_put(sock);
 	}
-	unlock_kernel();
 
 	if(uaddr != NULL && err >= 0)
 		err = move_addr_to_user(addr, kern_msg.msg_namelen, uaddr, uaddr_len);
@@ -3084,7 +3008,7 @@ asmlinkage int sparc32_execve(struct pt_regs *regs)
         if((u32)regs->u_regs[UREG_G1] == 0)
                 base = 1;
 
-        filename = getname32((char *)AA(regs->u_regs[base + UREG_I0]));
+        filename = getname((char *)AA(regs->u_regs[base + UREG_I0]));
 	error = PTR_ERR(filename);
         if(IS_ERR(filename))
                 goto out;
@@ -3926,7 +3850,7 @@ asmlinkage int sys32_utimes(char *filename, struct timeval32 *tvs)
 	mm_segment_t old_fs;
 	int ret;
 
-	kfilename = getname32(filename);
+	kfilename = getname(filename);
 	ret = PTR_ERR(kfilename);
 	if (!IS_ERR(kfilename)) {
 		if (tvs) {
diff --git a/arch/sparc64/kernel/sys_sunos32.c b/arch/sparc64/kernel/sys_sunos32.c
index 3f43e99dc..9015a2fec 100644
--- a/arch/sparc64/kernel/sys_sunos32.c
+++ b/arch/sparc64/kernel/sys_sunos32.c
@@ -1,4 +1,4 @@
-/* $Id: sys_sunos32.c,v 1.52 2000/07/10 20:57:35 davem Exp $
+/* $Id: sys_sunos32.c,v 1.53 2000/07/30 23:12:24 davem Exp $
  * sys_sunos32.c: SunOS binary compatability layer on sparc64.
  *
  * Copyright (C) 1995, 1996, 1997 David S. Miller (davem@caip.rutgers.edu)
@@ -179,21 +179,18 @@ asmlinkage u32 sunos_sbrk(int increment)
 	int error, oldbrk;
 
 	/* This should do it hopefully... */
-	lock_kernel();
 	oldbrk = (int)current->mm->brk;
 	error = sunos_brk(((int) current->mm->brk) + increment);
 	if(!error)
 		error = oldbrk;
-	unlock_kernel();
 	return error;
 }
 
 asmlinkage u32 sunos_sstk(int increment)
 {
-	lock_kernel();
 	printk("%s: Call to sunos_sstk(increment<%d>) is unsupported\n",
 	       current->comm, increment);
-	unlock_kernel();
+
 	return (u32)-1;
 }
 
@@ -213,12 +210,13 @@ static char *vstrings[] = {
 
 asmlinkage void sunos_vadvise(u32 strategy)
 {
+	static int count = 0;
+
 	/* I wanna see who uses this... */
-	lock_kernel();
-	printk("%s: Advises us to use %s paging strategy\n",
-	       current->comm,
-	       strategy <= 3 ? vstrings[strategy] : "BOGUS");
-	unlock_kernel();
+	if (count++ < 5)
+		printk("%s: Advises us to use %s paging strategy\n",
+		       current->comm,
+		       strategy <= 3 ? vstrings[strategy] : "BOGUS");
 }
 
 /* This just wants the soft limit (ie. rlim_cur element) of the RLIMIT_NOFILE
@@ -457,7 +455,6 @@ asmlinkage int sunos_nosys(void)
 	siginfo_t info;
 	static int cnt;
 
-	lock_kernel();
 	regs = current->thread.kregs;
 	info.si_signo = SIGSYS;
 	info.si_errno = 0;
@@ -470,7 +467,6 @@ asmlinkage int sunos_nosys(void)
 		       (int) regs->u_regs[UREG_G1]);
 		show_regs(regs);
 	}
-	unlock_kernel();
 	return -ENOSYS;
 }
 
@@ -726,7 +722,7 @@ sunos_mount(char *type, char *dir, int flags, void *data)
 
 	if (!capable (CAP_SYS_ADMIN))
 		return -EPERM;
-	lock_kernel();
+
 	/* We don't handle the integer fs type */
 	if ((flags & SMNT_NEWTYPE) == 0)
 		goto out;
@@ -772,7 +768,9 @@ sunos_mount(char *type, char *dir, int flags, void *data)
 	ret = PTR_ERR(dev_fname);
 	if (IS_ERR(dev_fname))
 		goto out2;
+	lock_kernel();
 	ret = do_mount(dev_fname, dir_page, type_page, linux_flags, NULL);
+	unlock_kernel();
 	if (dev_fname)
 		putname(dev_fname);
 out2:
@@ -780,7 +778,6 @@ out2:
 out1:
 	putname(dir_page);
 out:
-	unlock_kernel();
 	return ret;
 }
 
@@ -818,12 +815,7 @@ asmlinkage int sunos_wait4(__kernel_pid_t32 pid, u32 stat_addr, int options, u32
 extern int kill_pg(int, int, int);
 asmlinkage int sunos_killpg(int pgrp, int sig)
 {
-	int ret;
-
-	lock_kernel();
-	ret = kill_pg(pgrp, sig, 0);
-	unlock_kernel();
-	return ret;
+	return kill_pg(pgrp, sig, 0);
 }
 
 asmlinkage int sunos_audit(void)
@@ -836,9 +828,8 @@ extern asmlinkage u32 sunos_gethostid(void)
 {
 	u32 ret;
 
-	lock_kernel();
 	ret = (((u32)idprom->id_machtype << 24) | ((u32)idprom->id_sernum));
-	unlock_kernel();
+
 	return ret;
 }
 
diff --git a/arch/sparc64/kernel/traps.c b/arch/sparc64/kernel/traps.c
index 7b5d32614..de4968ac4 100644
--- a/arch/sparc64/kernel/traps.c
+++ b/arch/sparc64/kernel/traps.c
@@ -1,4 +1,4 @@
-/* $Id: traps.c,v 1.66 2000/05/09 17:40:14 davem Exp $
+/* $Id: traps.c,v 1.67 2000/07/30 23:12:24 davem Exp $
  * arch/sparc64/kernel/traps.c
  *
  * Copyright (C) 1995,1997 David S. Miller (davem@caip.rutgers.edu)
@@ -255,7 +255,6 @@ void bad_trap (struct pt_regs *regs, long lvl)
 {
 	siginfo_t info;
 
-	lock_kernel ();
 	if (lvl < 0x100) {
 		char buffer[24];
 		
@@ -270,17 +269,14 @@ void bad_trap (struct pt_regs *regs, long lvl)
 	info.si_addr = (void *)regs->tpc;
 	info.si_trapno = lvl - 0x100;
 	force_sig_info(SIGILL, &info, current);
-	unlock_kernel ();
 }
 
 void bad_trap_tl1 (struct pt_regs *regs, long lvl)
 {
 	char buffer[24];
 	
-	lock_kernel();
 	sprintf (buffer, "Bad trap %lx at tl>0", lvl);
 	die_if_kernel (buffer, regs);
-	unlock_kernel();
 }
 
 void instruction_access_exception (struct pt_regs *regs,
@@ -288,7 +284,6 @@ void instruction_access_exception (struct pt_regs *regs,
 {
 	siginfo_t info;
 
-	lock_kernel();
 	if (regs->tstate & TSTATE_PRIV) {
 #if 1
 		printk("instruction_access_exception: Shit SFSR[%016lx] SFAR[%016lx], going.\n",
@@ -302,7 +297,6 @@ void instruction_access_exception (struct pt_regs *regs,
 	info.si_addr = (void *)regs->tpc;
 	info.si_trapno = 0;
 	force_sig_info(SIGSEGV, &info, current);
-	unlock_kernel();
 }
 
 void data_access_exception (struct pt_regs *regs,
@@ -343,9 +337,7 @@ void data_access_exception (struct pt_regs *regs,
 	info.si_code = SEGV_MAPERR;
 	info.si_addr = (void *)sfar;
 	info.si_trapno = 0;
-	lock_kernel();
 	force_sig_info(SIGSEGV, &info, current);
-	unlock_kernel();
 }
 
 #ifdef CONFIG_PCI
@@ -389,9 +381,7 @@ void do_iae(struct pt_regs *regs)
 	info.si_code = BUS_OBJERR;
 	info.si_addr = (void *)0;
 	info.si_trapno = 0;
-	lock_kernel();
 	force_sig_info(SIGBUS, &info, current);
-	unlock_kernel();
 }
 
 void do_dae(struct pt_regs *regs)
@@ -692,7 +682,6 @@ void die_if_kernel(char *str, struct pt_regs *regs)
 	smp_report_regs();
 #endif
                                                 	
-	lock_kernel(); /* Or else! */
 	if(regs->tstate & TSTATE_PRIV)
 		do_exit(SIGKILL);
 	do_exit(SIGSEGV);