Merge bk://linux.bkbits.net/linux-2.5

into hostme.bitkeeper.com:/repos/c/cifs/linux-2.5cifs

arch/i386/kernel/traps.c

@@ -103,7 +103,7 @@ static int valid_stack_ptr(struct task_struct *task, void *p)
 }
 
 #ifdef CONFIG_FRAME_POINTER
-void print_context_stack(struct task_struct *task, unsigned long *stack,
+static void print_context_stack(struct task_struct *task, unsigned long *stack,
 			 unsigned long ebp)
 {
 	unsigned long addr;
@@ -117,7 +117,7 @@ void print_context_stack(struct task_struct *task, unsigned long *stack,
 	}
 }
 #else
-void print_context_stack(struct task_struct *task, unsigned long *stack,
+static void print_context_stack(struct task_struct *task, unsigned long *stack,
 			 unsigned long ebp)
 {
 	unsigned long addr;
@@ -125,8 +125,9 @@ void print_context_stack(struct task_struct *task, unsigned long *stack,
 	while (!kstack_end(stack)) {
 		addr = *stack++;
 		if (__kernel_text_address(addr)) {
-			printk(" [<%08lx>] ", addr);
-			print_symbol("%s\n", addr);
+			printk(" [<%08lx>]", addr);
+			print_symbol(" %s", addr);
+			printk("\n");
 		}
 	}
 }

arch/i386/mm/fault.c

@@ -261,7 +261,27 @@ asmlinkage void do_page_fault(struct pt_regs *regs, unsigned long error_code)
 	if (in_atomic() || !mm)
 		goto bad_area_nosemaphore;
 
+	/* When running in the kernel we expect faults to occur only to
+	 * addresses in user space.  All other faults represent errors in the
+	 * kernel and should generate an OOPS.  Unfortunatly, in the case of an
+	 * erroneous fault occuring in a code path which already holds mmap_sem
+	 * we will deadlock attempting to validate the fault against the
+	 * address space.  Luckily the kernel only validly references user
+	 * space from well defined areas of code, which are listed in the
+	 * exceptions table.
+	 *
+	 * As the vast majority of faults will be valid we will only perform
+	 * the source reference check when there is a possibilty of a deadlock.
+	 * Attempt to lock the address space, if we cannot we then validate the
+	 * source.  If this is invalid we can skip the address space check,
+	 * thus avoiding the deadlock.
+	 */
+	if (!down_read_trylock(&mm->mmap_sem)) {
+		if ((error_code & 4) == 0 &&
+		    !search_exception_tables(regs->eip))
+			goto bad_area_nosemaphore;
 		down_read(&mm->mmap_sem);
+	}
 
 	vma = find_vma(mm, address);
 	if (!vma)

arch/sparc64/kernel/smp.c

@@ -654,13 +654,13 @@ extern atomic_t dcpage_flushes_xcall;
 static __inline__ void __local_flush_dcache_page(struct page *page)
 {
 #if (L1DCACHE_SIZE > PAGE_SIZE)
-	__flush_dcache_page(page->virtual,
+	__flush_dcache_page(page_address(page),
 			    ((tlb_type == spitfire) &&
 			     page_mapping(page) != NULL));
 #else
 	if (page_mapping(page) != NULL &&
 	    tlb_type == spitfire)
-		__flush_icache_page(__pa(page->virtual));
+		__flush_icache_page(__pa(page_address(page)));
 #endif
 }
 
@@ -675,6 +675,7 @@ void smp_flush_dcache_page_impl(struct page *page, int cpu)
 	if (cpu == this_cpu) {
 		__local_flush_dcache_page(page);
 	} else if (cpu_online(cpu)) {
+		void *pg_addr = page_address(page);
 		u64 data0;
 
 		if (tlb_type == spitfire) {
@@ -683,14 +684,14 @@ void smp_flush_dcache_page_impl(struct page *page, int cpu)
 			if (page_mapping(page) != NULL)
 				data0 |= ((u64)1 << 32);
 			spitfire_xcall_deliver(data0,
-					       __pa(page->virtual),
-					       (u64) page->virtual,
+					       __pa(pg_addr),
+					       (u64) pg_addr,
 					       mask);
 		} else {
 			data0 =
 				((u64)&xcall_flush_dcache_page_cheetah);
 			cheetah_xcall_deliver(data0,
-					      __pa(page->virtual),
+					      __pa(pg_addr),
 					      0, mask);
 		}
 #ifdef CONFIG_DEBUG_DCFLUSH
@@ -703,6 +704,7 @@ void smp_flush_dcache_page_impl(struct page *page, int cpu)
 
 void flush_dcache_page_all(struct mm_struct *mm, struct page *page)
 {
+	void *pg_addr = page_address(page);
 	cpumask_t mask = cpu_online_map;
 	u64 data0;
 	int this_cpu = get_cpu();
@@ -719,13 +721,13 @@ void flush_dcache_page_all(struct mm_struct *mm, struct page *page)
 		if (page_mapping(page) != NULL)
 			data0 |= ((u64)1 << 32);
 		spitfire_xcall_deliver(data0,
-				       __pa(page->virtual),
-				       (u64) page->virtual,
+				       __pa(pg_addr),
+				       (u64) pg_addr,
 				       mask);
 	} else {
 		data0 = ((u64)&xcall_flush_dcache_page_cheetah);
 		cheetah_xcall_deliver(data0,
-				      __pa(page->virtual),
+				      __pa(pg_addr),
 				      0, mask);
 	}
 #ifdef CONFIG_DEBUG_DCFLUSH

arch/sparc64/kernel/sparc64_ksyms.c

@@ -360,6 +360,8 @@ EXPORT_SYMBOL(__bzero_noasi);
 EXPORT_SYMBOL(phys_base);
 EXPORT_SYMBOL(pfn_base);
 EXPORT_SYMBOL(sparc64_valid_addr_bitmap);
+EXPORT_SYMBOL(page_to_pfn);
+EXPORT_SYMBOL(pfn_to_page);
 
 /* No version information on this, heavily used in inline asm,
  * and will always be 'void __ret_efault(void)'.

arch/sparc64/mm/init.c

@@ -137,13 +137,13 @@ __inline__ void flush_dcache_page_impl(struct page *page)
 #endif
 
 #if (L1DCACHE_SIZE > PAGE_SIZE)
-	__flush_dcache_page(page->virtual,
+	__flush_dcache_page(page_address(page),
 			    ((tlb_type == spitfire) &&
 			     page_mapping(page) != NULL));
 #else
 	if (page_mapping(page) != NULL &&
 	    tlb_type == spitfire)
-		__flush_icache_page(__pa(page->virtual));
+		__flush_icache_page(__pa(page_address(page)));
 #endif
 }
 
@@ -344,6 +344,16 @@ void flush_icache_range(unsigned long start, unsigned long end)
 	}
 }
 
+unsigned long page_to_pfn(struct page *page)
+{
+	return (unsigned long) ((page - mem_map) + pfn_base);
+}
+
+struct page *pfn_to_page(unsigned long pfn)
+{
+	return (mem_map + (pfn - pfn_base));
+}
+
 void show_mem(void)
 {
 	printk("Mem-info:\n");

drivers/char/vc_screen.c

@@ -70,11 +70,11 @@ static loff_t vcs_lseek(struct file *file, loff_t offset, int orig)
 {
 	int size;
 
-	lock_kernel();
+	down(&con_buf_sem);
 	size = vcs_size(file->f_dentry->d_inode);
 	switch (orig) {
 		default:
-			unlock_kernel();
+			up(&con_buf_sem);
 			return -EINVAL;
 		case 2:
 			offset += size;
@@ -85,28 +85,21 @@ static loff_t vcs_lseek(struct file *file, loff_t offset, int orig)
 			break;
 	}
 	if (offset < 0 || offset > size) {
-		unlock_kernel();
+		up(&con_buf_sem);
 		return -EINVAL;
 	}
 	file->f_pos = offset;
-	unlock_kernel();
+	up(&con_buf_sem);
 	return file->f_pos;
 }
 
-/* We share this temporary buffer with the console write code
- * so that we can easily avoid touching user space while holding the
- * console spinlock.
- */
-extern char con_buf[PAGE_SIZE];
-#define CON_BUF_SIZE	PAGE_SIZE
-extern struct semaphore con_buf_sem;
 
 static ssize_t
 vcs_read(struct file *file, char __user *buf, size_t count, loff_t *ppos)
 {
 	struct inode *inode = file->f_dentry->d_inode;
 	unsigned int currcons = iminor(inode);
-	long pos = *ppos;
+	long pos;
 	long viewed, attr, read;
 	int col, maxcol;
 	unsigned short *org = NULL;
@@ -114,6 +107,8 @@ vcs_read(struct file *file, char __user *buf, size_t count, loff_t *ppos)
 
 	down(&con_buf_sem);
 
+	pos = *ppos;
+
 	/* Select the proper current console and verify
 	 * sanity of the situation under the console lock.
 	 */
@@ -275,7 +270,7 @@ vcs_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos)
 {
 	struct inode *inode = file->f_dentry->d_inode;
 	unsigned int currcons = iminor(inode);
-	long pos = *ppos;
+	long pos;
 	long viewed, attr, size, written;
 	char *con_buf0;
 	int col, maxcol;
@@ -284,6 +279,8 @@ vcs_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos)
 
 	down(&con_buf_sem);
 
+	pos = *ppos;
+
 	/* Select the proper current console and verify
 	 * sanity of the situation under the console lock.
 	 */

drivers/char/vt.c

@@ -1865,7 +1865,6 @@ static void do_con_trol(struct tty_struct *tty, unsigned int currcons, int c)
  * kernel memory allocation is available.
  */
 char con_buf[PAGE_SIZE];
-#define CON_BUF_SIZE	PAGE_SIZE
 DECLARE_MUTEX(con_buf_sem);
 
 /* acquires console_sem */

drivers/video/aty/radeon_accel.c

@@ -33,7 +33,7 @@ void radeonfb_fillrect(struct fb_info *info, const struct fb_fillrect *region)
   
 	if (info->state != FBINFO_STATE_RUNNING)
 		return;
-	if (radeon_accel_disabled()) {
+	if (info->flags & FBINFO_HWACCEL_DISABLED) {
 		cfb_fillrect(info, region);
 		return;
 	}
@@ -99,7 +99,7 @@ void radeonfb_copyarea(struct fb_info *info, const struct fb_copyarea *area)
   
 	if (info->state != FBINFO_STATE_RUNNING)
 		return;
-	if (radeon_accel_disabled()) {
+	if (info->flags & FBINFO_HWACCEL_DISABLED) {
 		cfb_copyarea(info, area);
 		return;
 	}

drivers/video/aty/radeon_base.c

@@ -242,8 +242,6 @@ static int force_measure_pll = 0;
 static int nomtrr = 0;
 #endif
 
-int radeonfb_noaccel = 0;
-
 /*
  * prototypes
  */
@@ -810,9 +808,8 @@ static int radeonfb_check_var (struct fb_var_screeninfo *var, struct fb_info *in
 	/* XXX I'm adjusting xres_virtual to the pitch, that may help XFree
 	 * with some panels, though I don't quite like this solution
 	 */
-  	if (radeon_accel_disabled()) {
+  	if (rinfo->info->flags & FBINFO_HWACCEL_DISABLED) {
 		v.xres_virtual = v.xres_virtual & ~7ul;
-		v.accel_flags = 0;
 	} else {
 		pitch = ((v.xres_virtual * ((v.bits_per_pixel + 1) / 8) + 0x3f)
  				& ~(0x3f)) >> 6;
@@ -1535,7 +1532,7 @@ int radeonfb_set_par(struct fb_info *info)
 	newmode.crtc_v_sync_strt_wid = (((vSyncStart - 1) & 0xfff) |
 					 (vsync_wid << 16) | (v_sync_pol  << 23));
 
-	if (!radeon_accel_disabled()) {
+	if (!(info->flags & FBINFO_HWACCEL_DISABLED)) {
 		/* We first calculate the engine pitch */
 		rinfo->pitch = ((mode->xres_virtual * ((mode->bits_per_pixel + 1) / 8) + 0x3f)
  				& ~(0x3f)) >> 6;
@@ -1683,12 +1680,11 @@ int radeonfb_set_par(struct fb_info *info)
 	if (!rinfo->asleep) {
 		radeon_write_mode (rinfo, &newmode);
 		/* (re)initialize the engine */
-		if (!radeon_accel_disabled())
+		if (!(info->flags & FBINFO_HWACCEL_DISABLED))
 			radeonfb_engine_init (rinfo);
-	
 	}
 	/* Update fix */
-	if (!radeon_accel_disabled())
+	if (!(info->flags & FBINFO_HWACCEL_DISABLED))
         	info->fix.line_length = rinfo->pitch*64;
         else
 		info->fix.line_length = mode->xres_virtual
@@ -1793,7 +1789,11 @@ static int __devinit radeon_set_fbinfo (struct radeonfb_info *rinfo)
 	info->currcon = -1;
 	info->par = rinfo;
 	info->pseudo_palette = rinfo->pseudo_palette;
-        info->flags = FBINFO_FLAG_DEFAULT;
+	info->flags = FBINFO_DEFAULT
+		    | FBINFO_HWACCEL_COPYAREA
+		    | FBINFO_HWACCEL_FILLRECT
+		    | FBINFO_HWACCEL_XPAN
+		    | FBINFO_HWACCEL_YPAN;
 	info->fbops = &radeonfb_ops;
 	info->screen_base = (char *)rinfo->fb_base;
 
@@ -1809,17 +1809,11 @@ static int __devinit radeon_set_fbinfo (struct radeonfb_info *rinfo)
         info->fix.type_aux = 0;
         info->fix.mmio_start = rinfo->mmio_base_phys;
         info->fix.mmio_len = RADEON_REGSIZE;
-	if (radeon_accel_disabled())
-	        info->fix.accel = FB_ACCEL_NONE;
-	else
-		info->fix.accel = FB_ACCEL_ATI_RADEON;
 
 	fb_alloc_cmap(&info->cmap, 256, 0);
 
-	if (radeon_accel_disabled())
-		info->var.accel_flags &= ~FB_ACCELF_TEXT;
-	else
-		info->var.accel_flags |= FB_ACCELF_TEXT;
+	if (noaccel)
+		info->flags |= FBINFO_HWACCEL_DISABLED;
 
         return 0;
 }
@@ -2451,7 +2445,6 @@ static struct pci_driver radeonfb_driver = {
 
 int __init radeonfb_init (void)
 {
-	radeonfb_noaccel = noaccel;
 	return pci_module_init (&radeonfb_driver);
 }
 
@@ -2473,7 +2466,7 @@ int __init radeonfb_setup (char *options)
 			continue;
 
 		if (!strncmp(this_opt, "noaccel", 7)) {
-			noaccel = radeonfb_noaccel = 1;
+			noaccel = 1;
 		} else if (!strncmp(this_opt, "mirror", 6)) {
 			mirror = 1;
 		} else if (!strncmp(this_opt, "force_dfp", 9)) {

drivers/video/aty/radeon_pm.c

@@ -859,7 +859,7 @@ int radeonfb_pci_suspend(struct pci_dev *pdev, u32 state)
 
 	fb_set_suspend(info, 1);
 
-	if (!radeon_accel_disabled()) {
+	if (!(info->flags & FBINFO_HWACCEL_DISABLED)) {
 		/* Make sure engine is reset */
 		radeon_engine_idle();
 		radeonfb_engine_reset(rinfo);

drivers/video/aty/radeonfb.h

@@ -516,12 +516,6 @@ static inline void _radeon_engine_idle (struct radeonfb_info *rinfo)
 	printk(KERN_ERR "radeonfb: Idle Timeout !\n");
 }
 
-static inline int radeon_accel_disabled(void)
-{
-	extern int radeonfb_noaccel;
-	return radeonfb_noaccel;
-}
-
 #define radeon_engine_idle()		_radeon_engine_idle(rinfo)
 #define radeon_fifo_wait(entries)	_radeon_fifo_wait(rinfo,entries)
 

fs/namei.c

@@ -316,7 +316,7 @@ static inline int exec_permission_lite(struct inode *inode,
 {
 	umode_t	mode = inode->i_mode;
 
-	if ((inode->i_op && inode->i_op->permission))
+	if (inode->i_op && inode->i_op->permission)
 		return -EAGAIN;
 
 	if (current->fsuid == inode->i_uid)
@@ -330,6 +330,9 @@ static inline int exec_permission_lite(struct inode *inode,
 	if ((inode->i_mode & S_IXUGO) && capable(CAP_DAC_OVERRIDE))
 		goto ok;
 
+	if (S_ISDIR(inode->i_mode) && capable(CAP_DAC_OVERRIDE))
+		goto ok;
+
 	if (S_ISDIR(inode->i_mode) && capable(CAP_DAC_READ_SEARCH))
 		goto ok;
 

fs/smbfs/inode.c

@@ -521,6 +521,7 @@ int smb_fill_super(struct super_block *sb, void *raw_data, int silent)
 	server->super_block = sb;
 	server->mnt = NULL;
 	server->sock_file = NULL;
+	init_waitqueue_head(&server->conn_wq);
 	init_MUTEX(&server->sem);
 	INIT_LIST_HEAD(&server->entry);
 	INIT_LIST_HEAD(&server->xmitq);

fs/smbfs/proc.c

@@ -56,6 +56,7 @@ static struct smb_ops smb_ops_os2;
 static struct smb_ops smb_ops_win95;
 static struct smb_ops smb_ops_winNT;
 static struct smb_ops smb_ops_unix;
+static struct smb_ops smb_ops_null;
 
 static void
 smb_init_dirent(struct smb_sb_info *server, struct smb_fattr *fattr);
@@ -981,6 +982,9 @@ smb_newconn(struct smb_sb_info *server, struct smb_conn_opt *opt)
 	smbiod_wake_up();
 	if (server->opt.capabilities & SMB_CAP_UNIX)
 		smb_proc_query_cifsunix(server);
+
+	server->conn_complete++;
+	wake_up_interruptible_all(&server->conn_wq);
 	return error;
 
 out:
@@ -2793,11 +2797,46 @@ smb_proc_getattr_95(struct smb_sb_info *server, struct dentry *dir,
 	return result;
 }
 
+static int
+smb_proc_ops_wait(struct smb_sb_info *server)
+{
+	int result;
+
+	result = wait_event_interruptible_timeout(server->conn_wq,
+				server->conn_complete, 30*HZ);
+
+	if (!result || signal_pending(current))
+		return -EIO;
+
+	return 0;
+}
+
 static int
 smb_proc_getattr_null(struct smb_sb_info *server, struct dentry *dir,
-		      struct smb_fattr *attr)
+			  struct smb_fattr *fattr)
 {
+	int result;
+
+	if (smb_proc_ops_wait(server) < 0)
 		return -EIO;
+
+	smb_init_dirent(server, fattr);
+	result = server->ops->getattr(server, dir, fattr);
+	smb_finish_dirent(server, fattr);
+
+	return result;
+}
+
+static int
+smb_proc_readdir_null(struct file *filp, void *dirent, filldir_t filldir,
+		      struct smb_cache_control *ctl)
+{
+	struct smb_sb_info *server = server_from_dentry(filp->f_dentry);
+
+	if (smb_proc_ops_wait(server) < 0)
+		return -EIO;
+
+	return server->ops->readdir(filp, dirent, filldir, ctl);
 }
 
 int
@@ -3431,6 +3470,7 @@ static struct smb_ops smb_ops_unix =
 /* Place holder until real ops are in place */
 static struct smb_ops smb_ops_null =
 {
+	.readdir	= smb_proc_readdir_null,
 	.getattr	= smb_proc_getattr_null,
 };
 

include/asm-alpha/init.h

-#error "<asm/init.h> should never be used - use <linux/init.h> instead"

include/asm-h8300/init.h

-#ifndef _H8300_INIT_H
-#define _H8300_INIT_H
-
-#define __init __attribute__ ((__section__ (".text.init")))
-#define __initdata __attribute__ ((__section__ (".data.init")))
-/* For assembly routines */
-#define __INIT		.section	".text.init",#alloc,#execinstr
-#define __FINIT		.previous
-#define __INITDATA	.section	".data.init",#alloc,#write
-
-#endif

include/asm-i386/init.h

-#error "<asm/init.h> should never be used - use <linux/init.h> instead"

include/asm-m68k/init.h

-#ifndef _M68K_INIT_H
-#define _M68K_INIT_H
-
-#define __init __attribute__ ((__section__ (".text.init")))
-#define __initdata __attribute__ ((__section__ (".data.init")))
-/* For assembly routines */
-#define __INIT		.section	".text.init",#alloc,#execinstr
-#define __FINIT		.previous
-#define __INITDATA	.section	".data.init",#alloc,#write
-
-#endif

include/asm-m68knommu/init.h

-#include <asm-m68k/init.h>

include/asm-mips/init.h

-#error "<asm/init.h> should never be used - use <linux/init.h> instead"

include/asm-ppc/machdep.h

@@ -5,6 +5,8 @@
 #include <linux/config.h>
 #include <linux/init.h>
 
+#include <asm/setup.h>
+
 #ifdef CONFIG_APUS
 #include <asm-m68k/machdep.h>
 #endif

include/asm-ppc64/init.h

-#error "<asm/init.h> should never be used - use <linux/init.h> instead"

include/asm-s390/init.h

-/*
- *  include/asm-s390/init.h
- *
- *  S390 version
- */
-
-#error "<asm/init.h> should never be used - use <linux/init.h> instead"

include/asm-sh/init.h

-#error "<asm/init.h> should never be used - use <linux/init.h> instead"

include/asm-sparc/init.h

-#error "<asm/init.h> should never be used - use <linux/init.h> instead"

include/asm-sparc64/init.h

-#error "<asm/init.h> should never be used - use <linux/init.h> instead"

include/asm-sparc64/io.h

@@ -19,8 +19,8 @@ extern unsigned long bus_to_virt_not_defined_use_pci_map(volatile void *addr);
 #define bus_to_virt bus_to_virt_not_defined_use_pci_map
 
 /* BIO layer definitions. */
-extern unsigned long phys_base, kern_base, kern_size;
-#define page_to_phys(page)	((((page) - mem_map) << PAGE_SHIFT)+phys_base)
+extern unsigned long kern_base, kern_size;
+#define page_to_phys(page)	(page_to_pfn(page) << PAGE_SHIFT)
 #define BIO_VMERGE_BOUNDARY	8192
 
 /* Different PCI controllers we support have their PCI MEM space

include/asm-sparc64/page.h

@@ -14,9 +14,6 @@
 
 #ifndef __ASSEMBLY__
 
-/* Sparc64 is slow at multiplication, we prefer to use some extra space. */
-#define WANT_PAGE_VIRTUAL 1
-
 extern void _clear_page(void *page);
 #define clear_page(X)	_clear_page((void *)(X))
 struct page;
@@ -111,17 +108,19 @@ typedef unsigned long iopgprot_t;
  */
 #define PAGE_OFFSET		_AC(0xFFFFF80000000000,UL)
 
+#ifndef __ASSEMBLY__
+
 #define __pa(x)			((unsigned long)(x) - PAGE_OFFSET)
 #define __va(x)			((void *)((unsigned long) (x) + PAGE_OFFSET))
 
 /* PFNs are real physical page numbers.  However, mem_map only begins to record
  * per-page information starting at pfn_base.  This is to handle systems where
- * the first physical page in the machine is at some huge physical address, such
- * as 4GB.   This is common on a partitioned E10000, for example.
+ * the first physical page in the machine is at some huge physical address,
+ * such as 4GB.   This is common on a partitioned E10000, for example.
  */
+extern struct page *pfn_to_page(unsigned long pfn);
+extern unsigned long page_to_pfn(struct page *);
 
-#define pfn_to_page(pfn)	(mem_map + ((pfn)-(pfn_base)))
-#define page_to_pfn(page)	((unsigned long)(((page) - mem_map) + pfn_base))
 #define virt_to_page(kaddr)	pfn_to_page(__pa(kaddr)>>PAGE_SHIFT)
 
 #define pfn_valid(pfn)		(((pfn)-(pfn_base)) < max_mapnr)
@@ -130,8 +129,6 @@ typedef unsigned long iopgprot_t;
 #define virt_to_phys __pa
 #define phys_to_virt __va
 
-#ifndef __ASSEMBLY__
-
 /* The following structure is used to hold the physical
  * memory configuration of the machine.  This is filled in
  * probe_memory() and is later used by mem_init() to set up

include/asm-um/init.h

-#ifndef _UM_INIT_H
-#define _UM_INIT_H
-
-#ifdef notdef
-#define __init
-#define __initdata
-#define __initfunc(__arginit) __arginit
-#define __cacheline_aligned 
-#endif
-
-#endif

include/asm-x86_64/init.h

-#error "<asm/init.h> should never be used - use <linux/init.h> instead"

include/linux/mmzone.h

@@ -81,7 +81,34 @@ struct per_cpu_pageset {
 #define MAX_NR_ZONES		3	/* Sync this with ZONES_SHIFT */
 #define ZONES_SHIFT		2	/* ceil(log2(MAX_NR_ZONES)) */
 
+
+/*
+ * When a memory allocation must conform to specific limitations (such
+ * as being suitable for DMA) the caller will pass in hints to the
+ * allocator in the gfp_mask, in the zone modifier bits.  These bits
+ * are used to select a priority ordered list of memory zones which
+ * match the requested limits.  GFP_ZONEMASK defines which bits within
+ * the gfp_mask should be considered as zone modifiers.  Each valid
+ * combination of the zone modifier bits has a corresponding list
+ * of zones (in node_zonelists).  Thus for two zone modifiers there
+ * will be a maximum of 4 (2 ** 2) zonelists, for 3 modifiers there will
+ * be 8 (2 ** 3) zonelists.  GFP_ZONETYPES defines the number of possible
+ * combinations of zone modifiers in "zone modifier space".
+ */
 #define GFP_ZONEMASK	0x03
+/*
+ * As an optimisation any zone modifier bits which are only valid when
+ * no other zone modifier bits are set (loners) should be placed in
+ * the highest order bits of this field.  This allows us to reduce the
+ * extent of the zonelists thus saving space.  For example in the case
+ * of three zone modifier bits, we could require up to eight zonelists.
+ * If the left most zone modifier is a "loner" then the highest valid
+ * zonelist would be four allowing us to allocate only five zonelists.
+ * Use the first form when the left most bit is not a "loner", otherwise
+ * use the second.
+ */
+/* #define GFP_ZONETYPES	(GFP_ZONEMASK + 1) */		/* Non-loner */
+#define GFP_ZONETYPES	((GFP_ZONEMASK + 1) / 2 + 1)		/* Loner */
 
 /*
  * On machines where it is needed (eg PCs) we divide physical memory
@@ -237,7 +264,7 @@ struct zonelist {
 struct bootmem_data;
 typedef struct pglist_data {
 	struct zone node_zones[MAX_NR_ZONES];
-	struct zonelist node_zonelists[MAX_NR_ZONES];
+	struct zonelist node_zonelists[GFP_ZONETYPES];
 	int nr_zones;
 	struct page *node_mem_map;
 	struct bootmem_data *bdata;

include/linux/smb_fs_sb.h

@@ -57,7 +57,8 @@ struct smb_sb_info {
 	unsigned int generation;
 	pid_t conn_pid;
 	struct smb_conn_opt opt;
-
+	wait_queue_head_t conn_wq;
+	int conn_complete;
 	struct semaphore sem;
 
 	unsigned char      header[SMB_HEADER_LEN + 20*2 + 2];

include/linux/vt_kern.h

@@ -11,6 +11,7 @@
 #include <linux/kd.h>
 #include <linux/tty.h>
 #include <linux/console_struct.h>
+#include <linux/mm.h>
 
 /*
  * Presently, a lot of graphics programs do not restore the contents of
@@ -84,4 +85,12 @@ int vt_waitactive(int vt);
 void change_console(unsigned int);
 void reset_vc(unsigned int new_console);
 
+/*
+ * vc_screen.c shares this temporary buffer with the console write code so that
+ * we can easily avoid touching user space while holding the console spinlock.
+ */
+extern char con_buf[PAGE_SIZE];
+#define CON_BUF_SIZE	PAGE_SIZE
+extern struct semaphore con_buf_sem;
+
 #endif /* _VT_KERN_H */

include/net/ip.h

@@ -32,10 +32,7 @@
 #include <linux/in_route.h>
 #include <net/route.h>
 #include <net/arp.h>
-
-#ifndef _SNMP_H
 #include <net/snmp.h>
-#endif
 
 struct sock;
 

mm/page_alloc.c

@@ -1235,7 +1235,7 @@ static void __init build_zonelists(pg_data_t *pgdat)
 	DECLARE_BITMAP(used_mask, MAX_NUMNODES);
 
 	/* initialize zonelists */
-	for (i = 0; i < MAX_NR_ZONES; i++) {
+	for (i = 0; i < GFP_ZONETYPES; i++) {
 		zonelist = pgdat->node_zonelists + i;
 		memset(zonelist, 0, sizeof(*zonelist));
 		zonelist->zones[0] = NULL;
@@ -1257,7 +1257,7 @@ static void __init build_zonelists(pg_data_t *pgdat)
 			node_load[node] += load;
 		prev_node = node;
 		load--;
-		for (i = 0; i < MAX_NR_ZONES; i++) {
+		for (i = 0; i < GFP_ZONETYPES; i++) {
 			zonelist = pgdat->node_zonelists + i;
 			for (j = 0; zonelist->zones[j] != NULL; j++);
 
@@ -1280,7 +1280,7 @@ static void __init build_zonelists(pg_data_t *pgdat)
 	int i, j, k, node, local_node;
 
 	local_node = pgdat->node_id;
-	for (i = 0; i < MAX_NR_ZONES; i++) {
+	for (i = 0; i < GFP_ZONETYPES; i++) {
 		struct zonelist *zonelist;
 
 		zonelist = pgdat->node_zonelists + i;
@@ -1840,7 +1840,7 @@ static void setup_per_zone_protection(void)
 		 * For each of the different allocation types:
 		 * GFP_DMA -> GFP_KERNEL -> GFP_HIGHMEM
 		 */
-		for (i = 0; i < MAX_NR_ZONES; i++) {
+		for (i = 0; i < GFP_ZONETYPES; i++) {
 			/*
 			 * For each of the zones:
 			 * ZONE_HIGHMEM -> ZONE_NORMAL -> ZONE_DMA

net/atm/br2684.c

@@ -558,7 +558,7 @@ Note: we do not have explicit unassign, but look at _push()
 	atmvcc->push = br2684_push;
 	skb_queue_head_init(&copy);
 	skb_migrate(&atmvcc->sk->sk_receive_queue, &copy);
-	while ((skb = skb_dequeue(&copy))) {
+	while ((skb = skb_dequeue(&copy)) != NULL) {
 		BRPRIV(skb->dev)->stats.rx_bytes -= skb->len;
 		BRPRIV(skb->dev)->stats.rx_packets--;
 		br2684_push(atmvcc, skb);

net/atm/clip.c

@@ -503,7 +503,7 @@ static int clip_mkip(struct atm_vcc *vcc,int timeout)
 	skb_queue_head_init(&copy);
 	skb_migrate(&vcc->sk->sk_receive_queue, &copy);
 	/* re-process everything received between connection setup and MKIP */
-	while ((skb = skb_dequeue(&copy)))
+	while ((skb = skb_dequeue(&copy)) != NULL)
 		if (!clip_devs) {
 			atm_return(vcc,skb->truesize);
 			kfree_skb(skb);

net/atm/common.c

@@ -187,7 +187,7 @@ static void vcc_destroy_socket(struct sock *sk)
 
 		vcc_remove_socket(sk);	/* no more receive */
 
-		while ((skb = skb_dequeue(&vcc->sk->sk_receive_queue))) {
+		while ((skb = skb_dequeue(&vcc->sk->sk_receive_queue)) != NULL) {
 			atm_return(vcc,skb->truesize);
 			kfree_skb(skb);
 		}

net/atm/lec.c

@@ -567,7 +567,7 @@ lec_atm_close(struct atm_vcc *vcc)
         if (skb_peek(&vcc->sk->sk_receive_queue))
 		printk("%s lec_atm_close: closing with messages pending\n",
                        dev->name);
-        while ((skb = skb_dequeue(&vcc->sk->sk_receive_queue))) {
+        while ((skb = skb_dequeue(&vcc->sk->sk_receive_queue)) != NULL) {
                 atm_return(vcc, skb->truesize);
 		dev_kfree_skb(skb);
         }
@@ -1940,7 +1940,7 @@ lec_arp_check_expire(unsigned long data)
                                            priv->path_switching_delay)) {
 			                        struct sk_buff *skb;
 
- 				                while ((skb = skb_dequeue(&entry->tx_wait)))
+ 				                while ((skb = skb_dequeue(&entry->tx_wait)) != NULL)
 					                lec_send(entry->vcc, skb, entry->priv);
                                                 entry->last_used = jiffies;
                                                 entry->status = 
@@ -2337,7 +2337,7 @@ lec_flush_complete(struct lec_priv *priv, unsigned long tran_id)
                             entry->status == ESI_FLUSH_PENDING) {
 			        struct sk_buff *skb;
 
- 				while ((skb = skb_dequeue(&entry->tx_wait)))
+ 				while ((skb = skb_dequeue(&entry->tx_wait)) != NULL)
 					lec_send(entry->vcc, skb, entry->priv);
                                 entry->status = ESI_FORWARD_DIRECT;
                                 DPRINTK("LEC_ARP: Flushed\n");

net/atm/svc.c

@@ -66,7 +66,7 @@ static void svc_disconnect(struct atm_vcc *vcc)
 	}
 	/* beware - socket is still in use by atmsigd until the last
 	   as_indicate has been answered */
-	while ((skb = skb_dequeue(&vcc->sk->sk_receive_queue))) {
+	while ((skb = skb_dequeue(&vcc->sk->sk_receive_queue)) != NULL) {
 		DPRINTK("LISTEN REL\n");
 		sigd_enq2(NULL,as_reject,vcc,NULL,NULL,&vcc->qos,0);
 		dev_kfree_skb(skb);

net/core/sock.c

@@ -523,7 +523,7 @@ int sock_getsockopt(struct socket *sock, int level, int optname,
 				v.tm.tv_usec = 0;
 			} else {
 				v.tm.tv_sec = sk->sk_rcvtimeo / HZ;
-				v.tm.tv_usec = ((sk->sk_rcvtimeo % HZ) * 1000) / HZ;
+				v.tm.tv_usec = ((sk->sk_rcvtimeo % HZ) * 1000000) / HZ;
 			}
 			break;
 
@@ -534,7 +534,7 @@ int sock_getsockopt(struct socket *sock, int level, int optname,
 				v.tm.tv_usec = 0;
 			} else {
 				v.tm.tv_sec = sk->sk_sndtimeo / HZ;
-				v.tm.tv_usec = ((sk->sk_sndtimeo % HZ) * 1000) / HZ;
+				v.tm.tv_usec = ((sk->sk_sndtimeo % HZ) * 1000000) / HZ;
 			}
 			break;