Merge /spare/repo/linux-2.6/

80 files changed, 311 insertions, 605 deletions

diff --git a/arch/arm/mach-pxa/lubbock.c b/arch/arm/mach-pxa/lubbock.c
index 923f6eb774c..1f38033921e 100644
--- a/arch/arm/mach-pxa/lubbock.c
+++ b/arch/arm/mach-pxa/lubbock.c
@@ -146,6 +146,11 @@ static struct pxa2xx_udc_mach_info udc_info __initdata = {
 	// no D+ pullup; lubbock can't connect/disconnect in software
 };
 
+static struct platform_device lub_audio_device = {
+	.name		= "pxa2xx-ac97",
+	.id		= -1,
+};
+
 static struct resource sa1111_resources[] = {
 	[0] = {
 		.start	= 0x10000000,
@@ -195,6 +200,7 @@ static struct platform_device smc91x_device = {
 
 static struct platform_device *devices[] __initdata = {
 	&sa1111_device,
+	&lub_audio_device,
 	&smc91x_device,
 };
 
diff --git a/arch/i386/Kconfig b/arch/i386/Kconfig
index b22f003eaa6..d2703cda61e 100644
--- a/arch/i386/Kconfig
+++ b/arch/i386/Kconfig
@@ -908,11 +908,6 @@ config IRQBALANCE
  	  The default yes will allow the kernel to do irq load balancing.
 	  Saying no will keep the kernel from doing irq load balancing.
 
-config HAVE_DEC_LOCK
-	bool
-	depends on (SMP || PREEMPT) && X86_CMPXCHG
-	default y
-
 # turning this on wastes a bunch of space.
 # Summit needs it only when NUMA is on
 config BOOT_IOREMAP
diff --git a/arch/i386/kernel/acpi/earlyquirk.c b/arch/i386/kernel/acpi/earlyquirk.c
index 1ae2aeeda18..f1b9d2a46da 100644
--- a/arch/i386/kernel/acpi/earlyquirk.c
+++ b/arch/i386/kernel/acpi/earlyquirk.c
@@ -7,7 +7,6 @@
 #include <linux/pci.h>
 #include <asm/pci-direct.h>
 #include <asm/acpi.h>
-#include <asm/apic.h>
 
 static int __init check_bridge(int vendor, int device)
 {
@@ -16,15 +15,6 @@ static int __init check_bridge(int vendor, int device)
 	if (vendor == PCI_VENDOR_ID_NVIDIA) {
 		acpi_skip_timer_override = 1;
 	}
-#ifdef CONFIG_X86_LOCAL_APIC
-	/*
-	 * ATI IXP chipsets get double timer interrupts.
-	 * For now just do this for all ATI chipsets.
- 	 * FIXME: this needs to be checked for the non ACPI case too.
-	 */
-	if (vendor == PCI_VENDOR_ID_ATI)
-		disable_timer_pin_1 = 1;
-#endif
 	return 0;
 }
 
diff --git a/arch/i386/lib/Makefile b/arch/i386/lib/Makefile
index 7b1932d20f9..914933e9ec3 100644
--- a/arch/i386/lib/Makefile
+++ b/arch/i386/lib/Makefile
@@ -7,4 +7,3 @@ lib-y = checksum.o delay.o usercopy.o getuser.o putuser.o memcpy.o strstr.o \
 	bitops.o
 
 lib-$(CONFIG_X86_USE_3DNOW) += mmx.o
-lib-$(CONFIG_HAVE_DEC_LOCK) += dec_and_lock.o
diff --git a/arch/i386/lib/dec_and_lock.c b/arch/i386/lib/dec_and_lock.c
deleted file mode 100644
index 8b81b2524fa..00000000000
--- a/arch/i386/lib/dec_and_lock.c
+++ /dev/null
@@ -1,42 +0,0 @@
-/*
- * x86 version of "atomic_dec_and_lock()" using
- * the atomic "cmpxchg" instruction.
- *
- * (For CPU's lacking cmpxchg, we use the slow
- * generic version, and this one never even gets
- * compiled).
- */
-
-#include <linux/spinlock.h>
-#include <linux/module.h>
-#include <asm/atomic.h>
-
-int _atomic_dec_and_lock(atomic_t *atomic, spinlock_t *lock)
-{
-	int counter;
-	int newcount;
-
-repeat:
-	counter = atomic_read(atomic);
-	newcount = counter-1;
-
-	if (!newcount)
-		goto slow_path;
-
-	asm volatile("lock; cmpxchgl %1,%2"
-		:"=a" (newcount)
-		:"r" (newcount), "m" (atomic->counter), "0" (counter));
-
-	/* If the above failed, "eax" will have changed */
-	if (newcount != counter)
-		goto repeat;
-	return 0;
-
-slow_path:
-	spin_lock(lock);
-	if (atomic_dec_and_test(atomic))
-		return 1;
-	spin_unlock(lock);
-	return 0;
-}
-EXPORT_SYMBOL(_atomic_dec_and_lock);
diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig
index ed25d66c8d5..945c15a0722 100644
--- a/arch/ia64/Kconfig
+++ b/arch/ia64/Kconfig
@@ -298,11 +298,6 @@ config PREEMPT
 
 source "mm/Kconfig"
 
-config HAVE_DEC_LOCK
-	bool
-	depends on (SMP || PREEMPT)
-	default y
-
 config IA32_SUPPORT
 	bool "Support for Linux/x86 binaries"
 	help
diff --git a/arch/ia64/Makefile b/arch/ia64/Makefile
index 70f8ed2748d..67932ad5308 100644
--- a/arch/ia64/Makefile
+++ b/arch/ia64/Makefile
@@ -82,17 +82,7 @@ unwcheck: vmlinux
 archclean:
 	$(Q)$(MAKE) $(clean)=$(boot)
 
-archprepare:  include/asm-ia64/.offsets.h.stamp
-
-include/asm-ia64/.offsets.h.stamp:
-	mkdir -p include/asm-ia64
-	[ -s include/asm-ia64/asm-offsets.h ] \
-	|| echo "#define IA64_TASK_SIZE 0" > include/asm-ia64/asm-offsets.h
-	touch $@
-
-
-
-CLEAN_FILES += vmlinux.gz bootloader include/asm-ia64/.offsets.h.stamp
+CLEAN_FILES += vmlinux.gz bootloader
 
 boot:	lib/lib.a vmlinux
 	$(Q)$(MAKE) $(build)=$(boot) $@
diff --git a/arch/ia64/ia32/binfmt_elf32.c b/arch/ia64/ia32/binfmt_elf32.c
index 31de70b7c67..a7280d9f6c1 100644
--- a/arch/ia64/ia32/binfmt_elf32.c
+++ b/arch/ia64/ia32/binfmt_elf32.c
@@ -216,12 +216,6 @@ ia32_setup_arg_pages (struct linux_binprm *bprm, int executable_stack)
 	if (!mpnt)
 		return -ENOMEM;
 
-	if (security_vm_enough_memory((IA32_STACK_TOP - (PAGE_MASK & (unsigned long) bprm->p))
-				      >> PAGE_SHIFT)) {
-		kmem_cache_free(vm_area_cachep, mpnt);
-		return -ENOMEM;
-	}
-
 	memset(mpnt, 0, sizeof(*mpnt));
 
 	down_write(&current->mm->mmap_sem);
diff --git a/arch/ia64/kernel/asm-offsets.c b/arch/ia64/kernel/asm-offsets.c
index f6a23428934..77225659e96 100644
--- a/arch/ia64/kernel/asm-offsets.c
+++ b/arch/ia64/kernel/asm-offsets.c
@@ -4,6 +4,7 @@
  * to extract and format the required data.
  */
 
+#define ASM_OFFSETS_C 1
 #include <linux/config.h>
 
 #include <linux/sched.h>
diff --git a/arch/ia64/lib/Makefile b/arch/ia64/lib/Makefile
index 799407e7726..cb1af597370 100644
--- a/arch/ia64/lib/Makefile
+++ b/arch/ia64/lib/Makefile
@@ -15,7 +15,6 @@ lib-$(CONFIG_ITANIUM)	+= copy_page.o copy_user.o memcpy.o
 lib-$(CONFIG_MCKINLEY)	+= copy_page_mck.o memcpy_mck.o
 lib-$(CONFIG_PERFMON)	+= carta_random.o
 lib-$(CONFIG_MD_RAID5)	+= xor.o
-lib-$(CONFIG_HAVE_DEC_LOCK) += dec_and_lock.o
 
 AFLAGS___divdi3.o	=
 AFLAGS___udivdi3.o	= -DUNSIGNED
diff --git a/arch/ia64/lib/dec_and_lock.c b/arch/ia64/lib/dec_and_lock.c
deleted file mode 100644
index c7ce92f968f..00000000000
--- a/arch/ia64/lib/dec_and_lock.c
+++ /dev/null
@@ -1,42 +0,0 @@
-/*
- * Copyright (C) 2003 Jerome Marchand, Bull S.A.
- *	Cleaned up by David Mosberger-Tang <davidm@hpl.hp.com>
- *
- * This file is released under the GPLv2, or at your option any later version.
- *
- * ia64 version of "atomic_dec_and_lock()" using the atomic "cmpxchg" instruction.  This
- * code is an adaptation of the x86 version of "atomic_dec_and_lock()".
- */
-
-#include <linux/compiler.h>
-#include <linux/module.h>
-#include <linux/spinlock.h>
-#include <asm/atomic.h>
-
-/*
- * Decrement REFCOUNT and if the count reaches zero, acquire the spinlock.  Both of these
- * operations have to be done atomically, so that the count doesn't drop to zero without
- * acquiring the spinlock first.
- */
-int
-_atomic_dec_and_lock (atomic_t *refcount, spinlock_t *lock)
-{
-	int old, new;
-
-	do {
-		old = atomic_read(refcount);
-		new = old - 1;
-
-		if (unlikely (old == 1)) {
-			/* oops, we may be decrementing to zero, do it the slow way... */
-			spin_lock(lock);
-			if (atomic_dec_and_test(refcount))
-				return 1;
-			spin_unlock(lock);
-			return 0;
-		}
-	} while (cmpxchg(&refcount->counter, old, new) != old);
-	return 0;
-}
-
-EXPORT_SYMBOL(_atomic_dec_and_lock);
diff --git a/arch/m32r/Kconfig b/arch/m32r/Kconfig
index 1ef3987ebc6..4d100f3886e 100644
--- a/arch/m32r/Kconfig
+++ b/arch/m32r/Kconfig
@@ -220,11 +220,6 @@ config PREEMPT
 	  Say Y here if you are building a kernel for a desktop, embedded
 	  or real-time system.  Say N if you are unsure.
 
-config HAVE_DEC_LOCK
-	bool
-	depends on (SMP || PREEMPT)
-	default n
-
 config SMP
 	bool "Symmetric multi-processing support"
 	---help---
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 0eb71ac303a..4cd724c0570 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -1009,10 +1009,6 @@ config GENERIC_CALIBRATE_DELAY
 	bool
 	default y
 
-config HAVE_DEC_LOCK
-	bool
-	default y
-
 #
 # Select some configuration options automatically based on user selections.
 #
diff --git a/arch/mips/kernel/sysirix.c b/arch/mips/kernel/sysirix.c
index 4de155699c4..7ae4af47697 100644
--- a/arch/mips/kernel/sysirix.c
+++ b/arch/mips/kernel/sysirix.c
@@ -581,18 +581,13 @@ asmlinkage int irix_brk(unsigned long brk)
 	}
 
 	/*
-	 * Check if we have enough memory..
+	 * Ok, looks good - let it rip.
 	 */
-	if (security_vm_enough_memory((newbrk-oldbrk) >> PAGE_SHIFT)) {
+	if (do_brk(oldbrk, newbrk-oldbrk) != oldbrk) {
 		ret = -ENOMEM;
 		goto out;
 	}
-
-	/*
-	 * Ok, looks good - let it rip.
-	 */
 	mm->brk = brk;
-	do_brk(oldbrk, newbrk-oldbrk);
 	ret = 0;
 
 out:
diff --git a/arch/mips/lib/Makefile b/arch/mips/lib/Makefile
index 21b92b9dd01..03730341290 100644
--- a/arch/mips/lib/Makefile
+++ b/arch/mips/lib/Makefile
@@ -2,7 +2,7 @@
 # Makefile for MIPS-specific library files..
 #
 
-lib-y	+= csum_partial_copy.o dec_and_lock.o memcpy.o promlib.o \
+lib-y	+= csum_partial_copy.o memcpy.o promlib.o \
 	   strlen_user.o strncpy_user.o strnlen_user.o
 
 obj-y	+= iomap.o
diff --git a/arch/mips/lib/dec_and_lock.c b/arch/mips/lib/dec_and_lock.c
deleted file mode 100644
index fd82c84a93b..00000000000
--- a/arch/mips/lib/dec_and_lock.c
+++ /dev/null
@@ -1,47 +0,0 @@
-/*
- * MIPS version of atomic_dec_and_lock() using cmpxchg
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- */
-
-#include <linux/module.h>
-#include <linux/spinlock.h>
-#include <asm/atomic.h>
-#include <asm/system.h>
-
-/*
- * This is an implementation of the notion of "decrement a
- * reference count, and return locked if it decremented to zero".
- *
- * This implementation can be used on any architecture that
- * has a cmpxchg, and where atomic->value is an int holding
- * the value of the atomic (i.e. the high bits aren't used
- * for a lock or anything like that).
- */
-int _atomic_dec_and_lock(atomic_t *atomic, spinlock_t *lock)
-{
-	int counter;
-	int newcount;
-
-	for (;;) {
-		counter = atomic_read(atomic);
-		newcount = counter - 1;
-		if (!newcount)
-			break;		/* do it the slow way */
-
-		newcount = cmpxchg(&atomic->counter, counter, newcount);
-		if (newcount == counter)
-			return 0;
-	}
-
-	spin_lock(lock);
-	if (atomic_dec_and_test(atomic))
-		return 1;
-	spin_unlock(lock);
-	return 0;
-}
-
-EXPORT_SYMBOL(_atomic_dec_and_lock);
diff --git a/arch/ppc/Kconfig b/arch/ppc/Kconfig
index 347ea284140..776941c7567 100644
--- a/arch/ppc/Kconfig
+++ b/arch/ppc/Kconfig
@@ -26,10 +26,6 @@ config GENERIC_CALIBRATE_DELAY
 	bool
 	default y
 
-config HAVE_DEC_LOCK
-	bool
-	default y
-
 config PPC
 	bool
 	default y
diff --git a/arch/ppc/lib/Makefile b/arch/ppc/lib/Makefile
index f1e1fb4144f..50358e4ea15 100644
--- a/arch/ppc/lib/Makefile
+++ b/arch/ppc/lib/Makefile
@@ -2,7 +2,7 @@
 # Makefile for ppc-specific library files..
 #
 
-obj-y			:= checksum.o string.o strcase.o dec_and_lock.o div64.o
+obj-y			:= checksum.o string.o strcase.o div64.o
 
 obj-$(CONFIG_8xx)	+= rheap.o
 obj-$(CONFIG_CPM2)	+= rheap.o
diff --git a/arch/ppc/lib/dec_and_lock.c b/arch/ppc/lib/dec_and_lock.c
deleted file mode 100644
index b18f0d9a00f..00000000000
--- a/arch/ppc/lib/dec_and_lock.c
+++ /dev/null
@@ -1,38 +0,0 @@
-#include <linux/module.h>
-#include <linux/spinlock.h>
-#include <asm/atomic.h>
-#include <asm/system.h>
-
-/*
- * This is an implementation of the notion of "decrement a
- * reference count, and return locked if it decremented to zero".
- *
- * This implementation can be used on any architecture that
- * has a cmpxchg, and where atomic->value is an int holding
- * the value of the atomic (i.e. the high bits aren't used
- * for a lock or anything like that).
- */
-int _atomic_dec_and_lock(atomic_t *atomic, spinlock_t *lock)
-{
-	int counter;
-	int newcount;
-
-	for (;;) {
-		counter = atomic_read(atomic);
-		newcount = counter - 1;
-		if (!newcount)
-			break;		/* do it the slow way */
-
-		newcount = cmpxchg(&atomic->counter, counter, newcount);
-		if (newcount == counter)
-			return 0;
-	}
-
-	spin_lock(lock);
-	if (atomic_dec_and_test(atomic))
-		return 1;
-	spin_unlock(lock);
-	return 0;
-}
-
-EXPORT_SYMBOL(_atomic_dec_and_lock);
diff --git a/arch/ppc64/Kconfig b/arch/ppc64/Kconfig
index deca68ad644..c658650af42 100644
--- a/arch/ppc64/Kconfig
+++ b/arch/ppc64/Kconfig
@@ -28,10 +28,6 @@ config GENERIC_ISA_DMA
 	bool
 	default y
 
-config HAVE_DEC_LOCK
-	bool
-	default y
-
 config EARLY_PRINTK
 	bool
 	default y
diff --git a/arch/ppc64/kernel/head.S b/arch/ppc64/kernel/head.S
index 58c314738c9..72c61041151 100644
--- a/arch/ppc64/kernel/head.S
+++ b/arch/ppc64/kernel/head.S
@@ -1649,7 +1649,7 @@ _GLOBAL(__secondary_start)
 	ld	r3,0(r3)
 	lwz	r3,PLATFORM(r3)		/* r3 = platform flags		 */
 	andi.	r3,r3,PLATFORM_LPAR	/* Test if bit 0 is set (LPAR bit) */