Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6

* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6:
  [IA64] use generic compat_old_sys_readdir
  [IA64] pci_acpi_scan_root cleanup
  [IA64] Shrink shadow_flush_counts to a short array to save 8k of per_cpu area.
  [IA64] Remove sn2_defconfig.

arch/ia64/ia32/ia32_entry.S

@@ -262,7 +262,7 @@ ia32_syscall_table:
 	data8 sys_uselib
 	data8 sys_swapon
 	data8 sys_reboot
-	data8 sys32_readdir
+	data8 compat_sys_old_readdir
 	data8 sys32_mmap	  /* 90 */
 	data8 sys32_munmap
 	data8 sys_truncate

arch/ia64/ia32/ia32priv.h

@@ -276,13 +276,6 @@ typedef struct compat_siginfo {
 	} _sifields;
 } compat_siginfo_t;
 
-struct old_linux32_dirent {
-	u32	d_ino;
-	u32	d_offset;
-	u16	d_namlen;
-	char	d_name[1];
-};
-
 /*
  * IA-32 ELF specific definitions for IA-64.
  */

arch/ia64/ia32/sys_ia32.c

@@ -1210,138 +1210,6 @@ sys32_settimeofday (struct compat_timeval __user *tv, struct timezone __user *tz
 	return do_sys_settimeofday(tv ? &kts : NULL, tz ? &ktz : NULL);
 }
 
-struct getdents32_callback {
-	struct compat_dirent __user *current_dir;
-	struct compat_dirent __user *previous;
-	int count;
-	int error;
-};
-
-struct readdir32_callback {
-	struct old_linux32_dirent __user * dirent;
-	int count;
-};
-
-static int
-filldir32 (void *__buf, const char *name, int namlen, loff_t offset, u64 ino,
-	   unsigned int d_type)
-{
-	struct compat_dirent __user * dirent;
-	struct getdents32_callback * buf = (struct getdents32_callback *) __buf;
-	int reclen = ROUND_UP(offsetof(struct compat_dirent, d_name) + namlen + 1, 4);
-	u32 d_ino;
-
-	buf->error = -EINVAL;	/* only used if we fail.. */
-	if (reclen > buf->count)
-		return -EINVAL;
-	d_ino = ino;
-	if (sizeof(d_ino) < sizeof(ino) && d_ino != ino)
-		return -EOVERFLOW;
-	buf->error = -EFAULT;	/* only used if we fail.. */
-	dirent = buf->previous;
-	if (dirent)
-		if (put_user(offset, &dirent->d_off))
-			return -EFAULT;
-	dirent = buf->current_dir;
-	buf->previous = dirent;
-	if (put_user(d_ino, &dirent->d_ino)
-	    || put_user(reclen, &dirent->d_reclen)
-	    || copy_to_user(dirent->d_name, name, namlen)
-	    || put_user(0, dirent->d_name + namlen))
-		return -EFAULT;
-	dirent = (struct compat_dirent __user *) ((char __user *) dirent + reclen);
-	buf->current_dir = dirent;
-	buf->count -= reclen;
-	return 0;
-}
-
-asmlinkage long
-sys32_getdents (unsigned int fd, struct compat_dirent __user *dirent, unsigned int count)
-{
-	struct file * file;
-	struct compat_dirent __user * lastdirent;
-	struct getdents32_callback buf;
-	int error;
-
-	error = -EFAULT;
-	if (!access_ok(VERIFY_WRITE, dirent, count))
-		goto out;
-
-	error = -EBADF;
-	file = fget(fd);
-	if (!file)
-		goto out;
-
-	buf.current_dir = dirent;
-	buf.previous = NULL;
-	buf.count = count;
-	buf.error = 0;
-
-	error = vfs_readdir(file, filldir32, &buf);
-	if (error < 0)
-		goto out_putf;
-	error = buf.error;
-	lastdirent = buf.previous;
-	if (lastdirent) {
-		if (put_user(file->f_pos, &lastdirent->d_off))
-			error = -EFAULT;
-		else
-			error = count - buf.count;
-	}
-
-out_putf:
-	fput(file);
-out:
-	return error;
-}
-
-static int
-fillonedir32 (void * __buf, const char * name, int namlen, loff_t offset, u64 ino,
-	      unsigned int d_type)
-{
-	struct readdir32_callback * buf = (struct readdir32_callback *) __buf;
-	struct old_linux32_dirent __user * dirent;
-	u32 d_ino;
-
-	if (buf->count)
-		return -EINVAL;
-	d_ino = ino;
-	if (sizeof(d_ino) < sizeof(ino) && d_ino != ino)
-		return -EOVERFLOW;
-	buf->count++;
-	dirent = buf->dirent;
-	if (put_user(d_ino, &dirent->d_ino)
-	    || put_user(offset, &dirent->d_offset)
-	    || put_user(namlen, &dirent->d_namlen)
-	    || copy_to_user(dirent->d_name, name, namlen)
-	    || put_user(0, dirent->d_name + namlen))
-		return -EFAULT;
-	return 0;
-}
-
-asmlinkage long
-sys32_readdir (unsigned int fd, void __user *dirent, unsigned int count)
-{
-	int error;
-	struct file * file;
-	struct readdir32_callback buf;
-
-	error = -EBADF;
-	file = fget(fd);
-	if (!file)
-		goto out;
-
-	buf.count = 0;
-	buf.dirent = dirent;
-
-	error = vfs_readdir(file, fillonedir32, &buf);
-	if (error >= 0)
-		error = buf.count;
-	fput(file);
-out:
-	return error;
-}
-
 struct sel_arg_struct {
 	unsigned int n;
 	unsigned int inp;

arch/ia64/kernel/smp.c

@@ -58,7 +58,7 @@ static struct local_tlb_flush_counts {
 	unsigned int count;
 } __attribute__((__aligned__(32))) local_tlb_flush_counts[NR_CPUS];
 
-static DEFINE_PER_CPU(unsigned int, shadow_flush_counts[NR_CPUS]) ____cacheline_aligned;
+static DEFINE_PER_CPU(unsigned short, shadow_flush_counts[NR_CPUS]) ____cacheline_aligned;
 
 #define IPI_CALL_FUNC		0
 #define IPI_CPU_STOP		1
@@ -254,7 +254,7 @@ smp_local_flush_tlb(void)
 void
 smp_flush_tlb_cpumask(cpumask_t xcpumask)
 {
-	unsigned int *counts = __ia64_per_cpu_var(shadow_flush_counts);
+	unsigned short *counts = __ia64_per_cpu_var(shadow_flush_counts);
 	cpumask_t cpumask = xcpumask;
 	int mycpu, cpu, flush_mycpu = 0;
 
@@ -262,7 +262,7 @@ smp_flush_tlb_cpumask(cpumask_t xcpumask)
 	mycpu = smp_processor_id();
 
 	for_each_cpu_mask(cpu, cpumask)
-		counts[cpu] = local_tlb_flush_counts[cpu].count;
+		counts[cpu] = local_tlb_flush_counts[cpu].count & 0xffff;
 
 	mb();
 	for_each_cpu_mask(cpu, cpumask) {
@@ -276,7 +276,7 @@ smp_flush_tlb_cpumask(cpumask_t xcpumask)
 		smp_local_flush_tlb();
 
 	for_each_cpu_mask(cpu, cpumask)
-		while(counts[cpu] == local_tlb_flush_counts[cpu].count)
+		while(counts[cpu] == (local_tlb_flush_counts[cpu].count & 0xffff))
 			udelay(FLUSH_DELAY);
 
 	preempt_enable();

arch/ia64/pci/pci.c

@@ -324,7 +324,6 @@ pcibios_setup_root_windows(struct pci_bus *bus, struct pci_controller *ctrl)
 struct pci_bus * __devinit
 pci_acpi_scan_root(struct acpi_device *device, int domain, int bus)
 {
-	struct pci_root_info info;
 	struct pci_controller *controller;
 	unsigned int windows = 0;
 	struct pci_bus *pbus;
@@ -346,22 +345,24 @@ pci_acpi_scan_root(struct acpi_device *device, int domain, int bus)
 	acpi_walk_resources(device->handle, METHOD_NAME__CRS, count_window,
 			&windows);
 	if (windows) {
+		struct pci_root_info info;
+
 		controller->window =
 			kmalloc_node(sizeof(*controller->window) * windows,
 				     GFP_KERNEL, controller->node);
 		if (!controller->window)
 			goto out2;
-	}
 
-	name = kmalloc(16, GFP_KERNEL);
-	if (!name)
-		goto out3;
+		name = kmalloc(16, GFP_KERNEL);
+		if (!name)
+			goto out3;
 
-	sprintf(name, "PCI Bus %04x:%02x", domain, bus);
-	info.controller = controller;
-	info.name = name;
-	acpi_walk_resources(device->handle, METHOD_NAME__CRS, add_window,
-			&info);
+		sprintf(name, "PCI Bus %04x:%02x", domain, bus);
+		info.controller = controller;
+		info.name = name;
+		acpi_walk_resources(device->handle, METHOD_NAME__CRS,
+			add_window, &info);
+	}
 	/*
 	 * See arch/x86/pci/acpi.c.
 	 * The desired pci bus might already be scanned in a quirk. We