28 files changed, 199 insertions, 95 deletions

diff --git a/.gitignore b/.gitignore
index b1f5b9df2ae1..e1d5c17c12c2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -12,6 +12,9 @@
 *.ko
 *.so
 *.mod.c
+*.i
+*.lst
+*.symtypes
 
 #
 # Top-level generic files
diff --git a/Makefile b/Makefile
index eab5a8c2ee49..a086e3212af3 100644
--- a/Makefile
+++ b/Makefile
@@ -889,7 +889,7 @@ depend dep:
 
 # ---------------------------------------------------------------------------
 # Kernel headers
-INSTALL_HDR_PATH=$(MODLIB)/abi
+INSTALL_HDR_PATH=$(objtree)/usr
 export INSTALL_HDR_PATH
 
 PHONY += headers_install
@@ -986,7 +986,7 @@ CLEAN_FILES +=	vmlinux System.map \
                 .tmp_kallsyms* .tmp_version .tmp_vmlinux* .tmp_System.map
 
 # Directories & files removed with 'make mrproper'
-MRPROPER_DIRS  += include/config include2
+MRPROPER_DIRS  += include/config include2 usr/include
 MRPROPER_FILES += .config .config.old include/asm .version .old_version \
                   include/linux/autoconf.h include/linux/version.h      \
                   include/linux/utsrelease.h                            \
@@ -1077,7 +1077,7 @@ help:
 	@echo  '  kernelrelease	  - Output the release version string'
 	@echo  '  kernelversion	  - Output the version stored in Makefile'
 	@echo  '  headers_install - Install sanitised kernel headers to INSTALL_HDR_PATH'
-	@echo  '                    (default: /lib/modules/$$VERSION/abi)'
+	@echo  '                    (default: $(INSTALL_HDR_PATH))'
 	@echo  ''
 	@echo  'Static analysers'
 	@echo  '  checkstack      - Generate a list of stack hogs'
diff --git a/drivers/char/hvc_console.c b/drivers/char/hvc_console.c
index ca2f538e549e..613d67f1c7f0 100644
--- a/drivers/char/hvc_console.c
+++ b/drivers/char/hvc_console.c
@@ -668,6 +668,7 @@ int khvcd(void *unused)
 	do {
 		poll_mask = 0;
 		hvc_kicked = 0;
+		try_to_freeze();
 		wmb();
 		if (cpus_empty(cpus_in_xmon)) {
 			spin_lock(&hvc_structs_lock);
diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c
index f57eba0bf253..abca98beac14 100644
--- a/drivers/char/ipmi/ipmi_si_intf.c
+++ b/drivers/char/ipmi/ipmi_si_intf.c
@@ -402,10 +402,10 @@ static void handle_flags(struct smi_info *smi_info)
 			smi_info->curr_msg->data,
 			smi_info->curr_msg->data_size);
 		smi_info->si_state = SI_GETTING_EVENTS;
-	} else if (smi_info->msg_flags & OEM_DATA_AVAIL) {
-		if (smi_info->oem_data_avail_handler)
-			if (smi_info->oem_data_avail_handler(smi_info))
-				goto retry;
+	} else if (smi_info->msg_flags & OEM_DATA_AVAIL &&
+	           smi_info->oem_data_avail_handler) {
+		if (smi_info->oem_data_avail_handler(smi_info))
+			goto retry;
 	} else {
 		smi_info->si_state = SI_NORMAL;
 	}
@@ -2481,6 +2481,7 @@ static __devinit int init_ipmi_si(void)
 #ifdef CONFIG_PCI
 		pci_unregister_driver(&ipmi_pci_driver);
 #endif
+		driver_unregister(&ipmi_driver);
 		printk("ipmi_si: Unable to find any System Interface(s)\n");
 		return -ENODEV;
 	} else {
diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c
index c8cbc00243fe..0a54d003ef34 100644
--- a/drivers/mtd/nand/nand_base.c
+++ b/drivers/mtd/nand/nand_base.c
@@ -1204,7 +1204,7 @@ static int nand_write_oob_syndrome(struct mtd_info *mtd,
 		pos = steps * (eccsize + chunk);
 		steps = 0;
 	} else
-		pos = eccsize + chunk;
+		pos = eccsize;
 
 	chip->cmdfunc(mtd, NAND_CMD_SEQIN, pos, page);
 	for (i = 0; i < steps; i++) {
@@ -1567,7 +1567,7 @@ static uint8_t *nand_fill_oob(struct nand_chip *chip, uint8_t *oob,
 				bytes = min_t(size_t, len, free->length);
 				boffs = free->offset;
 			}
-			memcpy(chip->oob_poi + woffs, oob, bytes);
+			memcpy(chip->oob_poi + boffs, oob, bytes);
 			oob += bytes;
 		}
 		return oob;
diff --git a/fs/ext2/super.c b/fs/ext2/super.c
index 681dea8f9532..ca5bfb6914d2 100644
--- a/fs/ext2/super.c
+++ b/fs/ext2/super.c
@@ -251,6 +251,44 @@ static struct super_operations ext2_sops = {
 #endif
 };
 
+static struct dentry *ext2_get_dentry(struct super_block *sb, void *vobjp)
+{
+	__u32 *objp = vobjp;
+	unsigned long ino = objp[0];
+	__u32 generation = objp[1];
+	struct inode *inode;
+	struct dentry *result;
+
+	if (ino < EXT2_FIRST_INO(sb) && ino != EXT2_ROOT_INO)
+		return ERR_PTR(-ESTALE);
+	if (ino > le32_to_cpu(EXT2_SB(sb)->s_es->s_inodes_count))
+		return ERR_PTR(-ESTALE);
+
+	/* iget isn't really right if the inode is currently unallocated!!
+	 * ext2_read_inode currently does appropriate checks, but
+	 * it might be "neater" to call ext2_get_inode first and check
+	 * if the inode is valid.....
+	 */
+	inode = iget(sb, ino);
+	if (inode == NULL)
+		return ERR_PTR(-ENOMEM);
+	if (is_bad_inode(inode) ||
+	    (generation && inode->i_generation != generation)) {
+		/* we didn't find the right inode.. */
+		iput(inode);
+		return ERR_PTR(-ESTALE);
+	}
+	/* now to find a dentry.
+	 * If possible, get a well-connected one
+	 */
+	result = d_alloc_anon(inode);
+	if (!result) {
+		iput(inode);
+		return ERR_PTR(-ENOMEM);
+	}
+	return result;
+}
+
 /* Yes, most of these are left as NULL!!
  * A NULL value implies the default, which works with ext2-like file
  * systems, but can be improved upon.
@@ -258,6 +296,7 @@ static struct super_operations ext2_sops = {
  */
 static struct export_operations ext2_export_ops = {
 	.get_parent = ext2_get_parent,
+	.get_dentry = ext2_get_dentry,
 };
 
 static unsigned long get_sb_block(void **data)
diff --git a/fs/ext3/inode.c b/fs/ext3/inode.c
index 0f0b1eadb98d..84be02e93652 100644
--- a/fs/ext3/inode.c
+++ b/fs/ext3/inode.c
@@ -925,7 +925,7 @@ int ext3_get_blocks_handle(handle_t *handle, struct inode *inode,
 	set_buffer_new(bh_result);
 got_it:
 	map_bh(bh_result, inode->i_sb, le32_to_cpu(chain[depth-1].key));
-	if (blocks_to_boundary == 0)
+	if (count > blocks_to_boundary)
 		set_buffer_boundary(bh_result);
 	err = count;
 	/* Clean up and exit */
diff --git a/fs/ext3/super.c b/fs/ext3/super.c
index 813d589cc6c0..3559086eee5f 100644
--- a/fs/ext3/super.c
+++ b/fs/ext3/super.c
@@ -554,6 +554,47 @@ static int ext3_show_options(struct seq_file *seq, struct vfsmount *vfs)
 	return 0;
 }
 
+
+static struct dentry *ext3_get_dentry(struct super_block *sb, void *vobjp)
+{
+	__u32 *objp = vobjp;
+	unsigned long ino = objp[0];
+	__u32 generation = objp[1];
+	struct inode *inode;
+	struct dentry *result;
+
+	if (ino < EXT3_FIRST_INO(sb) && ino != EXT3_ROOT_INO)
+		return ERR_PTR(-ESTALE);
+	if (ino > le32_to_cpu(EXT3_SB(sb)->s_es->s_inodes_count))
+		return ERR_PTR(-ESTALE);
+
+	/* iget isn't really right if the inode is currently unallocated!!
+	 *
+	 * ext3_read_inode will return a bad_inode if the inode had been
+	 * deleted, so we should be safe.
+	 *
+	 * Currently we don't know the generation for parent directory, so
+	 * a generation of 0 means "accept any"
+	 */
+	inode = iget(sb, ino);
+	if (inode == NULL)
+		return ERR_PTR(-ENOMEM);
+	if (is_bad_inode(inode) ||
+	    (generation && inode->i_generation != generation)) {
+		iput(inode);
+		return ERR_PTR(-ESTALE);
+	}
+	/* now to find a dentry.
+	 * If possible, get a well-connected one
+	 */
+	result = d_alloc_anon(inode);
+	if (!result) {
+		iput(inode);
+		return ERR_PTR(-ENOMEM);
+	}
+	return result;
+}
+
 #ifdef CONFIG_QUOTA
 #define QTYPE2NAME(t) ((t)==USRQUOTA?"user":"group")
 #define QTYPE2MOPT(on, t) ((t)==USRQUOTA?((on)##USRJQUOTA):((on)##GRPJQUOTA))
@@ -622,6 +663,7 @@ static struct super_operations ext3_sops = {
 
 static struct export_operations ext3_export_ops = {
 	.get_parent = ext3_get_parent,
+	.get_dentry = ext3_get_dentry,
 };
 
 enum {
diff --git a/fs/jffs2/summary.c b/fs/jffs2/summary.c
index c19bd476e8ec..e52cef526d90 100644
--- a/fs/jffs2/summary.c
+++ b/fs/jffs2/summary.c
@@ -252,6 +252,11 @@ int jffs2_sum_add_kvec(struct jffs2_sb_info *c, const struct kvec *invecs,
 	union jffs2_node_union *node;
 	struct jffs2_eraseblock *jeb;
 
+	if (c->summary->sum_size == JFFS2_SUMMARY_NOSUM_SIZE) {
+		dbg_summary("Summary is disabled for this jeb! Skipping summary info!\n");
+		return 0;
+	}
+
 	node = invecs[0].iov_base;
 	jeb = &c->blocks[ofs / c->sector_size];
 	ofs -= jeb->offset;
diff --git a/include/asm-alpha/Kbuild b/include/asm-alpha/Kbuild
index e57fd57538b8..2b06b3bad5ff 100644
--- a/include/asm-alpha/Kbuild
+++ b/include/asm-alpha/Kbuild
@@ -1,5 +1,5 @@
 include include/asm-generic/Kbuild.asm
 
-unifdef-y += console.h fpu.h sysinfo.h
+unifdef-y += console.h fpu.h sysinfo.h compiler.h
 
 header-y += gentrap.h regdef.h pal.h reg.h
diff --git a/include/asm-alpha/compiler.h b/include/asm-alpha/compiler.h
index 00c6f57ad9a7..d2768cc3d7a4 100644
--- a/include/asm-alpha/compiler.h
+++ b/include/asm-alpha/compiler.h
@@ -90,6 +90,7 @@
   __asm__("stw %1,%0" : "=m"(mem) : "r"(val))
 #endif
 
+#ifdef __KERNEL__
 /* Some idiots over in <linux/compiler.h> thought inline should imply
    always_inline.  This breaks stuff.  We'll include this file whenever
    we run into such problems.  */
@@ -101,4 +102,6 @@
 #undef __always_inline
 #define __always_inline		inline __attribute__((always_inline))
 
+#endif /* __KERNEL__ */
+
 #endif /* __ALPHA_COMPILER_H */
diff --git a/include/asm-alpha/page.h b/include/asm-alpha/page.h
index 8c7cd50d4eae..d2bed3cb33ff 100644
--- a/include/asm-alpha/page.h
+++ b/include/asm-alpha/page.h
@@ -1,6 +1,8 @@
 #ifndef _ALPHA_PAGE_H
 #define _ALPHA_PAGE_H
 
+#ifdef __KERNEL__
+
 #include <asm/pal.h>
 
 /* PAGE_SHIFT determines the page size */
@@ -8,8 +10,6 @@
 #define PAGE_SIZE	(1UL << PAGE_SHIFT)
 #define PAGE_MASK	(~(PAGE_SIZE-1))
 
-#ifdef __KERNEL__
-
 #ifndef __ASSEMBLY__
 
 #define STRICT_MM_TYPECHECKS
@@ -92,9 +92,9 @@ typedef unsigned long pgprot_t;
 
 #define VM_DATA_DEFAULT_FLAGS		(VM_READ | VM_WRITE | VM_EXEC | \
 					 VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
-#endif /* __KERNEL__ */
 
 #include <asm-generic/memory_model.h>
 #include <asm-generic/page.h>
 
+#endif /* __KERNEL__ */
 #endif /* _ALPHA_PAGE_H */
diff --git a/include/asm-i386/unistd.h b/include/asm-i386/unistd.h
index d983b74e4d9f..fc1c8ddae149 100644
--- a/include/asm-i386/unistd.h
+++ b/include/asm-i386/unistd.h
@@ -324,6 +324,8 @@
 #define __NR_vmsplice		316
 #define __NR_move_pages		317
 
+#ifdef __KERNEL__
+
 #define NR_syscalls 318
 
 /*
@@ -423,8 +425,6 @@ __asm__ volatile ("push %%ebp ; push %%ebx ; movl 4(%2),%%ebp ; " \
 __syscall_return(type,__res); \
 }
 
-#ifdef __KERNEL__
-
 #define __ARCH_WANT_IPC_PARSE_VERSION
 #define __ARCH_WANT_OLD_READDIR
 #define __ARCH_WANT_OLD_STAT
diff --git a/include/asm-ia64/Kbuild b/include/asm-ia64/Kbuild
index 85d6f8005eb4..f1cb00f39c22 100644
--- a/include/asm-ia64/Kbuild
+++ b/include/asm-ia64/Kbuild
@@ -4,4 +4,4 @@ header-y += break.h fpu.h fpswa.h gcc_intrin.h ia64regs.h		\
 	 intel_intrin.h intrinsics.h perfmon_default_smpl.h	\
 	 ptrace_offsets.h rse.h setup.h ucontext.h
 
-unifdef-y += perfmon.h
+unifdef-y += perfmon.h ustack.h
diff --git a/include/asm-ia64/page.h b/include/asm-ia64/page.h
index f5a949ec6e1e..947cb72b520e 100644
--- a/include/asm-ia64/page.h
+++ b/include/asm-ia64/page.h
@@ -7,6 +7,7 @@
  *	David Mosberger-Tang <davidm@hpl.hp.com>
  */
 
+# ifdef __KERNEL__
 
 #include <asm/intrinsics.h>
 #include <asm/types.h>
@@ -64,7 +65,6 @@
 # define __pa(x)		((x) - PAGE_OFFSET)
 # define __va(x)		((x) + PAGE_OFFSET)
 #else /* !__ASSEMBLY */
-# ifdef __KERNEL__
 #  define STRICT_MM_TYPECHECKS
 
 extern void clear_page (void *page);
@@ -174,7 +174,6 @@ get_order (unsigned long size)
 	return order;
 }
 
-# endif /* __KERNEL__ */
 #endif /* !__ASSEMBLY__ */
 
 #ifdef STRICT_MM_TYPECHECKS
@@ -228,4 +227,5 @@ get_order (unsigned long size)
 					 (((current->personality & READ_IMPLIES_EXEC) != 0)	\
 					  ? VM_EXEC : 0))
 
+# endif /* __KERNEL__ */
 #endif /* _ASM_IA64_PAGE_H */
diff --git a/include/asm-ia64/ptrace.h b/include/asm-ia64/ptrace.h
index 415abb23b210..1414316efd40 100644
--- a/include/asm-ia64/ptrace.h
+++ b/include/asm-ia64/ptrace.h
@@ -56,6 +56,8 @@
 
 
 #include <asm/fpu.h>
+
+#ifdef __KERNEL__
 #ifndef ASM_OFFSETS_C
 #include <asm/asm-offsets.h>
 #endif
@@ -79,10 +81,9 @@
 
 #define KERNEL_STACK_SIZE		IA64_STK_OFFSET
 
-#ifndef __ASSEMBLY__
+#endif /* __KERNEL__ */
 
-#include <asm/current.h>
-#include <asm/page.h>
+#ifndef __ASSEMBLY__
 
 /*
  * This struct defines the way the registers are saved on system
@@ -229,6 +230,9 @@ struct switch_stack {
 
 #ifdef __KERNEL__
 
+#include <asm/current.h>
+#include <asm/page.h>
+
 #define __ARCH_SYS_PTRACE	1
 
 /*
diff --git a/include/asm-ia64/ustack.h b/include/asm-ia64/ustack.h
index da55c91246e3..a349467913ea 100644
--- a/include/asm-ia64/ustack.h
+++ b/include/asm-ia64/ustack.h
@@ -5,12 +5,15 @@
  * Constants for the user stack size
  */
 
+#ifdef __KERNEL__
 #include <asm/page.h>
 
 /* The absolute hard limit for stack size is 1/2 of the mappable space in the region */
 #define MAX_USER_STACK_SIZE	(RGN_MAP_LIMIT/2)
-/* Make a default stack size of 2GB */
-#define DEFAULT_USER_STACK_SIZE	(1UL << 31)
 #define STACK_TOP		(0x6000000000000000UL + RGN_MAP_LIMIT)
+#endif
+
+/* Make a default stack size of 2GiB */
+#define DEFAULT_USER_STACK_SIZE	(1UL << 31)
 
 #endif /* _ASM_IA64_USTACK_H */
diff --git a/include/asm-s390/debug.h b/include/asm-s390/debug.h
index 7f1ef99fd1e1..c00dd2b3dc50 100644
--- a/include/asm-s390/debug.h
+++ b/include/asm-s390/debug.h
@@ -10,7 +10,6 @@
 #define DEBUG_H
 
 #include <linux/fs.h>
-#include <linux/string.h>
 
 /* Note:
  * struct __debug_entry must be defined outside of #ifdef __KERNEL__ 
@@ -35,6 +34,7 @@ struct __debug_entry{
 #define __DEBUG_FEATURE_VERSION      2  /* version of debug feature */
 
 #ifdef __KERNEL__
+#include <linux/string.h>
 #include <linux/spinlock.h>
 #include <linux/kernel.h>
 #include <linux/time.h>
diff --git a/include/asm-s390/elf.h b/include/asm-s390/elf.h
index 710646e64f7d..c0d629d61d3e 100644
--- a/include/asm-s390/elf.h
+++ b/include/asm-s390/elf.h
@@ -93,19 +93,6 @@
 #define R_390_NUM	61
 
 /*
- * ELF register definitions..
- */
-
-#include <linux/sched.h>	/* for task_struct */
-#include <asm/ptrace.h>
-#include <asm/user.h>
-#include <asm/system.h>		/* for save_access_regs */
-
-
-typedef s390_fp_regs elf_fpregset_t;
-typedef s390_regs elf_gregset_t;
-
-/*
  * These are used to set parameters in the core dumps.
  */
 #ifndef __s390x__
@@ -117,6 +104,20 @@ typedef s390_regs elf_gregset_t;
 #define ELF_ARCH	EM_S390
 
 /*
+ * ELF register definitions..
+ */
+
+#include <asm/ptrace.h>
+#include <asm/user.h>
+
+typedef s390_fp_regs elf_fpregset_t;
+typedef s390_regs elf_gregset_t;
+
+#ifdef __KERNEL__
+#include <linux/sched.h>	/* for task_struct */
+#include <asm/system.h>		/* for save_access_regs */
+
+/*
  * This is used to ensure we don't load something for the wrong architecture.
  */
 #define elf_check_arch(x) \
@@ -198,7 +199,6 @@ static inline int dump_task_fpu(struct task_struct *tsk, elf_fpregset_t *fpregs)
 
 #define ELF_PLATFORM (NULL)
 
-#ifdef __KERNEL__
 #ifndef __s390x__
 #define SET_PERSONALITY(ex, ibcs2) set_personality((ibcs2)?PER_SVR4:PER_LINUX)
 #else /* __s390x__ */
diff --git a/include/asm-x86_64/elf.h b/include/asm-x86_64/elf.h
index b4f8f4a41a6e..a406fcb1e924 100644
--- a/include/asm-x86_64/elf.h
+++ b/include/asm-x86_64/elf.h
@@ -7,8 +7,6 @@
 
 #include <asm/ptrace.h>
 #include <asm/user.h>
-#include <asm/processor.h>
-#include <asm/compat.h>
 
 /* x86-64 relocation types */
 #define R_X86_64_NONE		0	/* No reloc */
@@ -39,18 +37,23 @@ typedef elf_greg_t elf_gregset_t[ELF_NGREG];
 typedef struct user_i387_struct elf_fpregset_t;
 
 /*
- * This is used to ensure we don't load something for the wrong architecture.
- */
-#define elf_check_arch(x) \
-	((x)->e_machine == EM_X86_64)
-
-/*
  * These are used to set parameters in the core dumps.
  */
 #define ELF_CLASS	ELFCLASS64
 #define ELF_DATA	ELFDATA2LSB
 #define ELF_ARCH	EM_X86_64
 
+#ifdef __KERNEL__
+#include <asm/processor.h>
+#include <asm/compat.h>
+
+/*
+ * This is used to ensure we don't load something for the wrong architecture.
+ */
+#define elf_check_arch(x) \
+	((x)->e_machine == EM_X86_64)
+
+
 /* SVR4/i386 ABI (pages 3-31, 3-32) says that when the program starts %edx
    contains a pointer to a function which might be registered using `atexit'.
    This provides a mean for the dynamic linker to call DT_FINI functions for
@@ -141,7 +144,6 @@ typedef struct user_i387_struct elf_fpregset_t;
 /* I'm not sure if we can use '-' here */
 #define ELF_PLATFORM  ("x86_64")
 
-#ifdef __KERNEL__
 extern void set_personality_64bit(void);
 #define SET_PERSONALITY(ex, ibcs2) set_personality_64bit()
 /*
diff --git a/include/asm-x86_64/signal.h b/include/asm-x86_64/signal.h
index cef7a7d51b7e..3ede2a61973a 100644
--- a/include/asm-x86_64/signal.h
+++ b/include/asm-x86_64/signal.h
@@ -3,13 +3,13 @@
 
 #ifndef __ASSEMBLY__
 #include <linux/types.h>
-#include <linux/linkage.h>
 #include <linux/time.h>
 
 /* Avoid too many header ordering problems.  */
 struct siginfo;
 
 #ifdef __KERNEL__
+#include <linux/linkage.h>
 /* Most things should be clean enough to redefine this at will, if care
    is taken to make libc match.  */
 
diff --git a/include/asm-x86_64/unistd.h b/include/asm-x86_64/unistd.h
index 2d89d309a2a8..80fd48e84bbb 100644
--- a/include/asm-x86_64/unistd.h
+++ b/include/asm-x86_64/unistd.h
@@ -620,6 +620,8 @@ __SYSCALL(__NR_vmsplice, sys_vmsplice)
 #define __NR_move_pages		279
 __SYSCALL(__NR_move_pages, sys_move_pages)
 
+#ifdef __KERNEL__
+
 #define __NR_syscall_max __NR_move_pages
 
 #ifndef __NO_STUBS
@@ -744,8 +746,6 @@ __syscall_return(type,__res); \
 
 #else /* __KERNEL_SYSCALLS__ */
 
-#ifdef __KERNEL__
-
 #include <linux/syscalls.h>
 #include <asm/ptrace.h>
 
@@ -821,8 +821,6 @@ asmlinkage long sys_fork(struct pt_regs regs);
 asmlinkage long sys_vfork(struct pt_regs regs);
 asmlinkage long sys_pipe(int *fildes);
 
-#endif /* __KERNEL_SYSCALLS__ */
-
 #ifndef __ASSEMBLY__
 
 #include <linux/linkage.h>
@@ -838,9 +836,9 @@ asmlinkage long sys_rt_sigaction(int sig,
 				struct sigaction __user *oact,
 				size_t sigsetsize);
 
-#endif
+#endif  /* __ASSEMBLY__ */
 
-#endif
+#endif /* __KERNEL_SYSCALLS__ */
 
 /*
  * "Conditional" syscalls
@@ -850,6 +848,8 @@ asmlinkage long sys_rt_sigaction(int sig,
  */
 #define cond_syscall(x) asm(".weak\t" #x "\n\t.set\t" #x ",sys_ni_syscall")
 
-#endif
+#endif /* __NO_STUBS */
 
-#endif
+#endif /* __KERNEL__ */
+
+#endif /* _ASM_X86_64_UNISTD_H_ */
diff --git a/include/asm-x86_64/vsyscall.h b/include/asm-x86_64/vsyscall.h
index a85e16f56d73..146b24402a5f 100644
--- a/include/asm-x86_64/vsyscall.h
+++ b/include/asm-x86_64/vsyscall.h
@@ -1,8 +1,6 @@
 #ifndef _ASM_X86_64_VSYSCALL_H_
 #define _ASM_X86_64_VSYSCALL_H_
 
-#include <linux/seqlock.h>
-
 enum vsyscall_num {
 	__NR_vgettimeofday,
 	__NR_vtime,
@@ -14,6 +12,7 @@ enum vsyscall_num {
 #define VSYSCALL_ADDR(vsyscall_nr) (VSYSCALL_START+VSYSCALL_SIZE*(vsyscall_nr))
 
 #ifdef __KERNEL__
+#include <linux/seqlock.h>
 
 #define __section_vxtime __attribute__ ((unused, __section__ (".vxtime"), aligned(16)))
 #define __section_wall_jiffies __attribute__ ((unused, __section__ (".wall_jiffies"), aligned(16)))
diff --git a/init/Kconfig b/init/Kconfig
index a099fc6526d9..9a7656f0b5ec 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -182,23 +182,6 @@ config TASK_DELAY_ACCT
 
 	  Say N if unsure.
 
-config SYSCTL
-	bool "Sysctl support" if EMBEDDED
-	default y
-	---help---
-	  The sysctl interface provides a means of dynamically changing
-	  certain kernel parameters and variables on the fly without requiring
-	  a recompile of the kernel or reboot of the system.  The primary
-	  interface consists of a system call, but if you say Y to "/proc
-	  file system support", a tree of modifiable sysctl entries will be
-	  generated beneath the /proc/sys directory. They are explained in the
-	  files in <file:Documentation/sysctl/>.  Note that enabling this
-	  option will enlarge the kernel by at least 8 KB.
-
-	  As it is generally a good thing, you should say Y here unless
-	  building a kernel for install/rescue disks or your system is very
-	  limited in memory.
-
 config AUDIT
 	bool "Auditing support"
 	depends on NET
@@ -261,13 +244,6 @@ config RELAY
 
 source "usr/Kconfig"
 
-config UID16
-	bool "Enable 16-bit UID system calls" if EMBEDDED
-	depends on ARM || CRIS || FRV || H8300 || X86_32 || M68K || (S390 && !64BIT) || SUPERH || SPARC32 || (SPARC64 && SPARC32_COMPAT) || UML || (X86_64 && IA32_EMULATION)
-	default y
-	help
-	  This enables the legacy 16-bit UID syscall wrappers.
-
 config CC_OPTIMIZE_FOR_SIZE
 	bool "Optimize for size (Look out for broken compilers!)"
 	default y
@@ -289,6 +265,30 @@ menuconfig EMBEDDED
           environments which can tolerate a "non-standard" kernel.
           Only use this if you really know what you are doing.
 
+config UID16
+	bool "Enable 16-bit UID system calls" if EMBEDDED
+	depends on ARM || CRIS || FRV || H8300 || X86_32 || M68K || (S390 && !64BIT) || SUPERH || SPARC32 || (SPARC64 && SPARC32_COMPAT) || UML || (X86_64 && IA32_EMULATION)
+	default y
+	help
+	  This enables the legacy 16-bit UID syscall wrappers.
+
+config SYSCTL
+	bool "Sysctl support" if EMBEDDED
+	default y
+	---help---
+	  The sysctl interface provides a means of dynamically changing
+	  certain kernel parameters and variables on the fly without requiring
+	  a recompile of the kernel or reboot of the system.  The primary
+	  interface consists of a system call, but if you say Y to "/proc
+	  file system support", a tree of modifiable sysctl entries will be
+	  generated beneath the /proc/sys directory. They are explained in the
+	  files in <file:Documentation/sysctl/>.  Note that enabling this
+	  option will enlarge the kernel by at least 8 KB.
+
+	  As it is generally a good thing, you should say Y here unless
+	  building a kernel for install/rescue disks or your system is very
+	  limited in memory.
+
 config KALLSYMS
 	 bool "Load all symbols for debugging/kksymoops" if EMBEDDED
 	 default y
@@ -363,10 +363,6 @@ config BASE_FULL
 	  kernel data structures. This saves memory on small machines,
 	  but may reduce performance.
 
-config RT_MUTEXES
-	boolean
-	select PLIST
-
 config FUTEX
 	bool "Enable futex support" if EMBEDDED
 	default y
@@ -414,6 +410,10 @@ config VM_EVENT_COUNTERS
 
 endmenu		# General setup
 
+config RT_MUTEXES
+	boolean
+	select PLIST
+
 config TINY_SHMEM
 	default !SHMEM
 	bool
diff --git a/kernel/irq/resend.c b/kernel/irq/resend.c
index 872f91ba2ce8..35f10f7ff94a 100644
--- a/kernel/irq/resend.c
+++ b/kernel/irq/resend.c
@@ -63,8 +63,7 @@ void check_irq_resend(struct irq_desc *desc, unsigned int irq)
 	desc->chip->enable(irq);
 
 	if ((status & (IRQ_PENDING | IRQ_REPLAY)) == IRQ_PENDING) {
-		desc->status &= ~IRQ_PENDING;
-		desc->status = status | IRQ_REPLAY;
+		desc->status = (status & ~IRQ_PENDING) | IRQ_REPLAY;
 
 		if (!desc->chip || !desc->chip->retrigger ||
 					!desc->chip->retrigger(irq)) {
diff --git a/kernel/kmod.c b/kernel/kmod.c
index 1d32defa38ab..5c470c57fb57 100644
--- a/kernel/kmod.c
+++ b/kernel/kmod.c
@@ -197,11 +197,12 @@ static void __call_usermodehelper(void *data)
 {
 	struct subprocess_info *sub_info = data;
 	pid_t pid;
+	int wait = sub_info->wait;
 
 	/* CLONE_VFORK: wait until the usermode helper has execve'd
 	 * successfully We need the data structures to stay around
 	 * until that is done.  */
-	if (sub_info->wait)
+	if (wait)
 		pid = kernel_thread(wait_for_helper, sub_info,
 				    CLONE_FS | CLONE_FILES | SIGCHLD);
 	else
@@ -211,7 +212,7 @@ static void __call_usermodehelper(void *data)
 	if (pid < 0) {
 		sub_info->retval = pid;
 		complete(sub_info->complete);
-	} else if (!sub_info->wait)
+	} else if (!wait)
 		complete(sub_info->complete);
 }
 
diff --git a/scripts/Makefile.headersinst b/scripts/Makefile.headersinst
index aa9990a3ccd6..12e1daf875c8 100644
--- a/scripts/Makefile.headersinst
+++ b/scripts/Makefile.headersinst
@@ -93,14 +93,14 @@ STUBDEF=__ASM_STUB_`echo $@ | tr a-z. A-Z_`;				\
 echo "\#ifndef $$STUBDEF" ;						\
 echo "\#define $$STUBDEF" ;						\
 echo "\# if $(ARCHDEF)" ;						\
-if [ -r $(srctree)/include/$(archasm)/$@ ]; then			\
+if [ -r $(INSTALL_HDR_PATH)/include/$(archasm)/$@ ]; then		\
 	echo "\#  include <$(archasm)/$@>" ;				\
 else									\
 	echo "\#  error $(archasm)/$@ does not exist in"		\
 			"the $(ARCH) architecture" ;			\
 fi ;									\
 echo "\# elif $(ALTARCHDEF)" ;						\
-if [ -r $(srctree)/include/$(altarchasm)/$@ ]; then			\
+if [ -r $(INSTALL_HDR_PATH)/include/$(altarchasm)/$@ ]; then		\
 	echo "\#  include <$(altarchasm)/$@>" ;				\
 else									\
 	echo "\#  error $(altarchasm)/$@ does not exist in"		\
@@ -149,7 +149,9 @@ endif
 hdrinst := -rR -f $(srctree)/scripts/Makefile.headersinst obj
 
 .PHONY: altarch-dir
-altarch-dir:
+# All the files in the normal arch dir must be created first, since we test
+# for their existence.
+altarch-dir: $(subdir-y) $(header-y) $(unifdef-y) $(objhdr-y)
 	$(Q)$(MAKE) $(hdrinst)=include/asm-$(ALTARCH) dst=include/asm-$(ALTARCH)
 	$(Q)$(MAKE) $(hdrinst)=include/asm dst=include/asm
 
diff --git a/scripts/Makefile.host b/scripts/Makefile.host
index 18ecd4d5df7f..060f4c563a5c 100644
--- a/scripts/Makefile.host
+++ b/scripts/Makefile.host
@@ -30,7 +30,7 @@
 # libkconfig.so as the executable conf.
 # Note: Shared libraries consisting of C++ files are not supported
 
-__hostprogs := $(sort $(hostprogs-y)$(hostprogs-m))
+__hostprogs := $(sort $(hostprogs-y) $(hostprogs-m))
 
 # hostprogs-y := tools/build may have been specified. Retreive directory
 host-objdirs := $(foreach f,$(__hostprogs), $(if $(dir $(f)),$(dir $(f))))