diff --git a/[refs] b/[refs]
index 4f959dc49d28..012ad9cc1297 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 3482a6f1d1447b618d37049529cf36a8dc3bd3e3
+refs/heads/master: 06916639e2fed9ee475efef2747a1b7429f8fe76
diff --git a/trunk/Documentation/lguest/lguest.c b/trunk/Documentation/lguest/lguest.c
index 3be8ab2a886a..4c1fc65a8b3d 100644
--- a/trunk/Documentation/lguest/lguest.c
+++ b/trunk/Documentation/lguest/lguest.c
@@ -131,9 +131,6 @@ struct device
 	/* Any queues attached to this device */
 	struct virtqueue *vq;
 
-	/* Handle status being finalized (ie. feature bits stable). */
-	void (*ready)(struct device *me);
-
 	/* Device-specific data. */
 	void *priv;
 };
@@ -928,40 +925,24 @@ static void enable_fd(int fd, struct virtqueue *vq)
 	write(waker_fd, &vq->dev->fd, sizeof(vq->dev->fd));
 }
 
-/* When the Guest tells us they updated the status field, we handle it. */
-static void update_device_status(struct device *dev)
+/* When the Guest asks us to reset a device, it's is fairly easy. */
+static void reset_device(struct device *dev)
 {
 	struct virtqueue *vq;
 
-	/* This is a reset. */
-	if (dev->desc->status == 0) {
-		verbose("Resetting device %s\n", dev->name);
+	verbose("Resetting device %s\n", dev->name);
+	/* Clear the status. */
+	dev->desc->status = 0;
 
-		/* Clear any features they've acked. */
-		memset(get_feature_bits(dev) + dev->desc->feature_len, 0,
-		       dev->desc->feature_len);
+	/* Clear any features they've acked. */
+	memset(get_feature_bits(dev) + dev->desc->feature_len, 0,
+	       dev->desc->feature_len);
 
-		/* Zero out the virtqueues. */
-		for (vq = dev->vq; vq; vq = vq->next) {
-			memset(vq->vring.desc, 0,
-			       vring_size(vq->config.num, getpagesize()));
-			vq->last_avail_idx = 0;
-		}
-	} else if (dev->desc->status & VIRTIO_CONFIG_S_FAILED) {
-		warnx("Device %s configuration FAILED", dev->name);
-	} else if (dev->desc->status & VIRTIO_CONFIG_S_DRIVER_OK) {
-		unsigned int i;
-
-		verbose("Device %s OK: offered", dev->name);
-		for (i = 0; i < dev->desc->feature_len; i++)
-			verbose(" %08x", get_feature_bits(dev)[i]);
-		verbose(", accepted");
-		for (i = 0; i < dev->desc->feature_len; i++)
-			verbose(" %08x", get_feature_bits(dev)
-				[dev->desc->feature_len+i]);
-
-		if (dev->ready)
-			dev->ready(dev);
+	/* Zero out the virtqueues. */
+	for (vq = dev->vq; vq; vq = vq->next) {
+		memset(vq->vring.desc, 0,
+		       vring_size(vq->config.num, getpagesize()));
+		vq->last_avail_idx = 0;
 	}
 }
 
@@ -973,9 +954,9 @@ static void handle_output(int fd, unsigned long addr)
 
 	/* Check each device and virtqueue. */
 	for (i = devices.dev; i; i = i->next) {
-		/* Notifications to device descriptors update device status. */
+		/* Notifications to device descriptors reset the device. */
 		if (from_guest_phys(addr) == i->desc) {
-			update_device_status(i);
+			reset_device(i);
 			return;
 		}
 
@@ -1189,7 +1170,6 @@ static struct device *new_device(const char *name, u16 type, int fd,
 	dev->handle_input = handle_input;
 	dev->name = name;
 	dev->vq = NULL;
-	dev->ready = NULL;
 
 	/* Append to device list.  Prepending to a single-linked list is
 	 * easier, but the user expects the devices to be arranged on the bus
@@ -1418,7 +1398,7 @@ static bool service_io(struct device *dev)
 	struct vblk_info *vblk = dev->priv;
 	unsigned int head, out_num, in_num, wlen;
 	int ret;
-	u8 *in;
+	struct virtio_blk_inhdr *in;
 	struct virtio_blk_outhdr *out;
 	struct iovec iov[dev->vq->vring.num];
 	off64_t off;
@@ -1436,7 +1416,7 @@ static bool service_io(struct device *dev)
 		     head, out_num, in_num);
 
 	out = convert(&iov[0], struct virtio_blk_outhdr);
-	in = convert(&iov[out_num+in_num-1], u8);
+	in = convert(&iov[out_num+in_num-1], struct virtio_blk_inhdr);
 	off = out->sector * 512;
 
 	/* The block device implements "barriers", where the Guest indicates
@@ -1450,7 +1430,7 @@ static bool service_io(struct device *dev)
 	 * It'd be nice if we supported eject, for example, but we don't. */
 	if (out->type & VIRTIO_BLK_T_SCSI_CMD) {
 		fprintf(stderr, "Scsi commands unsupported\n");
-		*in = VIRTIO_BLK_S_UNSUPP;
+		in->status = VIRTIO_BLK_S_UNSUPP;
 		wlen = sizeof(*in);
 	} else if (out->type & VIRTIO_BLK_T_OUT) {
 		/* Write */
@@ -1473,7 +1453,7 @@ static bool service_io(struct device *dev)
 			errx(1, "Write past end %llu+%u", off, ret);
 		}
 		wlen = sizeof(*in);
-		*in = (ret >= 0 ? VIRTIO_BLK_S_OK : VIRTIO_BLK_S_IOERR);
+		in->status = (ret >= 0 ? VIRTIO_BLK_S_OK : VIRTIO_BLK_S_IOERR);
 	} else {
 		/* Read */
 
@@ -1486,10 +1466,10 @@ static bool service_io(struct device *dev)
 		verbose("READ from sector %llu: %i\n", out->sector, ret);
 		if (ret >= 0) {
 			wlen = sizeof(*in) + ret;
-			*in = VIRTIO_BLK_S_OK;
+			in->status = VIRTIO_BLK_S_OK;
 		} else {
 			wlen = sizeof(*in);
-			*in = VIRTIO_BLK_S_IOERR;
+			in->status = VIRTIO_BLK_S_IOERR;
 		}
 	}
 
diff --git a/trunk/arch/ia64/ia32/ia32_signal.c b/trunk/arch/ia64/ia32/ia32_signal.c
index b763ca19ef17..256a7faeda07 100644
--- a/trunk/arch/ia64/ia32/ia32_signal.c
+++ b/trunk/arch/ia64/ia32/ia32_signal.c
@@ -463,7 +463,7 @@ sys32_sigsuspend (int history0, int history1, old_sigset_t mask)
 
 	current->state = TASK_INTERRUPTIBLE;
 	schedule();
-	set_restore_sigmask();
+	set_thread_flag(TIF_RESTORE_SIGMASK);
 	return -ERESTARTNOHAND;
 }
 
diff --git a/trunk/arch/ia64/kernel/acpi.c b/trunk/arch/ia64/kernel/acpi.c
index 19709a079635..c7467f863c7a 100644
--- a/trunk/arch/ia64/kernel/acpi.c
+++ b/trunk/arch/ia64/kernel/acpi.c
@@ -966,7 +966,7 @@ acpi_map_iosapics (void)
 fs_initcall(acpi_map_iosapics);
 #endif				/* CONFIG_ACPI_NUMA */
 
-int __ref acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base)
+int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base)
 {
 	int err;
 
diff --git a/trunk/arch/ia64/kernel/irq.c b/trunk/arch/ia64/kernel/irq.c
index 7fd18f54c056..6dee579f205f 100644
--- a/trunk/arch/ia64/kernel/irq.c
+++ b/trunk/arch/ia64/kernel/irq.c
@@ -183,10 +183,10 @@ void fixup_irqs(void)
 {
 	unsigned int irq;
 	extern void ia64_process_pending_intr(void);
+	extern void ia64_disable_timer(void);
 	extern volatile int time_keeper_id;
 
-	/* Mask ITV to disable timer */
-	ia64_set_itv(1 << 16);
+	ia64_disable_timer();
 
 	/*
 	 * Find a new timesync master
diff --git a/trunk/arch/ia64/kernel/palinfo.c b/trunk/arch/ia64/kernel/palinfo.c
index 4547a2092af9..396004e8cd14 100644
--- a/trunk/arch/ia64/kernel/palinfo.c
+++ b/trunk/arch/ia64/kernel/palinfo.c
@@ -1053,7 +1053,7 @@ static int __cpuinit palinfo_cpu_callback(struct notifier_block *nfb,
 	return NOTIFY_OK;
 }
 
-static struct notifier_block __refdata palinfo_cpu_notifier =
+static struct notifier_block palinfo_cpu_notifier __cpuinitdata =
 {
 	.notifier_call = palinfo_cpu_callback,
 	.priority = 0,
diff --git a/trunk/arch/ia64/kernel/perfmon.c b/trunk/arch/ia64/kernel/perfmon.c
index c1ad27de2dd2..7fbb51e10bbe 100644
--- a/trunk/arch/ia64/kernel/perfmon.c
+++ b/trunk/arch/ia64/kernel/perfmon.c
@@ -867,7 +867,7 @@ pfm_rvfree(void *mem, unsigned long size)
 }
 
 static pfm_context_t *
-pfm_context_alloc(int ctx_flags)
+pfm_context_alloc(void)
 {
 	pfm_context_t *ctx;
 
@@ -878,46 +878,6 @@ pfm_context_alloc(int ctx_flags)
 	ctx = kzalloc(sizeof(pfm_context_t), GFP_KERNEL);
 	if (ctx) {
 		DPRINT(("alloc ctx @%p\n", ctx));
-
-		/*
-		 * init context protection lock
-		 */
-		spin_lock_init(&ctx->ctx_lock);
-
-		/*
-		 * context is unloaded
-		 */
-		ctx->ctx_state = PFM_CTX_UNLOADED;
-
-		/*
-		 * initialization of context's flags
-		 */
-		ctx->ctx_fl_block       = (ctx_flags & PFM_FL_NOTIFY_BLOCK) ? 1 : 0;
-		ctx->ctx_fl_system      = (ctx_flags & PFM_FL_SYSTEM_WIDE) ? 1: 0;
-		ctx->ctx_fl_no_msg      = (ctx_flags & PFM_FL_OVFL_NO_MSG) ? 1: 0;
-		/*
-		 * will move to set properties
-		 * ctx->ctx_fl_excl_idle   = (ctx_flags & PFM_FL_EXCL_IDLE) ? 1: 0;
-		 */
-
-		/*
-		 * init restart semaphore to locked
-		 */
-		init_completion(&ctx->ctx_restart_done);
-
-		/*
-		 * activation is used in SMP only
-		 */
-		ctx->ctx_last_activation = PFM_INVALID_ACTIVATION;
-		SET_LAST_CPU(ctx, -1);
-
-		/*
-		 * initialize notification message queue
-		 */
-		ctx->ctx_msgq_head = ctx->ctx_msgq_tail = 0;
-		init_waitqueue_head(&ctx->ctx_msgq_wait);
-		init_waitqueue_head(&ctx->ctx_zombieq);
-
 	}
 	return ctx;
 }
@@ -2205,21 +2165,28 @@ static struct dentry_operations pfmfs_dentry_operations = {
 };
 
 
-static struct file *
-pfm_alloc_file(pfm_context_t *ctx)
+static int
+pfm_alloc_fd(struct file **cfile)
 {
-	struct file *file;
-	struct inode *inode;
-	struct dentry *dentry;
+	int fd, ret = 0;
+	struct file *file = NULL;
+	struct inode * inode;
 	char name[32];
 	struct qstr this;
 
+	fd = get_unused_fd();
+	if (fd < 0) return -ENFILE;
+
+	ret = -ENFILE;
+
+	file = get_empty_filp();
+	if (!file) goto out;
+
 	/*
 	 * allocate a new inode
 	 */
 	inode = new_inode(pfmfs_mnt->mnt_sb);
-	if (!inode)
-		return ERR_PTR(-ENOMEM);
+	if (!inode) goto out;
 
 	DPRINT(("new inode ino=%ld @%p\n", inode->i_ino, inode));
 
@@ -2232,28 +2199,59 @@ pfm_alloc_file(pfm_context_t *ctx)
 	this.len  = strlen(name);
 	this.hash = inode->i_ino;
 
+	ret = -ENOMEM;
+
 	/*
 	 * allocate a new dcache entry
 	 */
-	dentry = d_alloc(pfmfs_mnt->mnt_sb->s_root, &this);
-	if (!dentry) {
-		iput(inode);
-		return ERR_PTR(-ENOMEM);
-	}
+	file->f_path.dentry = d_alloc(pfmfs_mnt->mnt_sb->s_root, &this);
+	if (!file->f_path.dentry) goto out;
 
-	dentry->d_op = &pfmfs_dentry_operations;
-	d_add(dentry, inode);
+	file->f_path.dentry->d_op = &pfmfs_dentry_operations;
 
-	file = alloc_file(pfmfs_mnt, dentry, FMODE_READ, &pfm_file_ops);
-	if (!file) {
-		dput(dentry);
-		return ERR_PTR(-ENFILE);
-	}
+	d_add(file->f_path.dentry, inode);
+	file->f_path.mnt = mntget(pfmfs_mnt);
+	file->f_mapping = inode->i_mapping;
 
+	file->f_op    = &pfm_file_ops;
+	file->f_mode  = FMODE_READ;
 	file->f_flags = O_RDONLY;
-	file->private_data = ctx;
+	file->f_pos   = 0;
+
+	/*
+	 * may have to delay until context is attached?
+	 */
+	fd_install(fd, file);
+
+	/*
+	 * the file structure we will use
+	 */
+	*cfile = file;
+
+	return fd;
+out:
+	if (file) put_filp(file);
+	put_unused_fd(fd);
+	return ret;
+}
+
+static void
+pfm_free_fd(int fd, struct file *file)
+{
+	struct files_struct *files = current->files;
+	struct fdtable *fdt;
 
-	return file;
+	/* 
+	 * there ie no fd_uninstall(), so we do it here
+	 */
+	spin_lock(&files->file_lock);
+	fdt = files_fdtable(files);
+	rcu_assign_pointer(fdt->fd[fd], NULL);
+	spin_unlock(&files->file_lock);
+
+	if (file)
+		put_filp(file);
+	put_unused_fd(fd);
 }
 
 static int
@@ -2477,7 +2475,6 @@ pfm_setup_buffer_fmt(struct task_struct *task, struct file *filp, pfm_context_t
 
 	/* link buffer format and context */
 	ctx->ctx_buf_fmt = fmt;
-	ctx->ctx_fl_is_sampling = 1; /* assume record() is defined */
 
 	/*
 	 * check if buffer format wants to use perfmon buffer allocation/mapping service
@@ -2672,45 +2669,78 @@ pfm_context_create(pfm_context_t *ctx, void *arg, int count, struct pt_regs *reg
 {
 	pfarg_context_t *req = (pfarg_context_t *)arg;
 	struct file *filp;
-	struct path path;
 	int ctx_flags;
-	int fd;
 	int ret;
 
 	/* let's check the arguments first */
 	ret = pfarg_is_sane(current, req);
-	if (ret < 0)
-		return ret;
+	if (ret < 0) return ret;
 
 	ctx_flags = req->ctx_flags;
 
 	ret = -ENOMEM;
 
-	fd = get_unused_fd();
-	if (fd < 0)
-		return fd;
+	ctx = pfm_context_alloc();
+	if (!ctx) goto error;
 
-	ctx = pfm_context_alloc(ctx_flags);
-	if (!ctx)
-		goto error;
+	ret = pfm_alloc_fd(&filp);
+	if (ret < 0) goto error_file;
 
-	filp = pfm_alloc_file(ctx);
-	if (IS_ERR(filp)) {
-		ret = PTR_ERR(filp);
-		goto error_file;
-	}
+	req->ctx_fd = ctx->ctx_fd = ret;
 
-	req->ctx_fd = ctx->ctx_fd = fd;
+	/*
+	 * attach context to file
+	 */
+	filp->private_data = ctx;
 
 	/*
 	 * does the user want to sample?
 	 */
 	if (pfm_uuid_cmp(req->ctx_smpl_buf_id, pfm_null_uuid)) {
 		ret = pfm_setup_buffer_fmt(current, filp, ctx, ctx_flags, 0, req);
-		if (ret)
-			goto buffer_error;
+		if (ret) goto buffer_error;
 	}
 
+	/*
+	 * init context protection lock
+	 */
+	spin_lock_init(&ctx->ctx_lock);
+
+	/*
+	 * context is unloaded
+	 */
+	ctx->ctx_state = PFM_CTX_UNLOADED;
+
+	/*
+	 * initialization of context's flags
+	 */
+	ctx->ctx_fl_block       = (ctx_flags & PFM_FL_NOTIFY_BLOCK) ? 1 : 0;
+	ctx->ctx_fl_system      = (ctx_flags & PFM_FL_SYSTEM_WIDE) ? 1: 0;
+	ctx->ctx_fl_is_sampling = ctx->ctx_buf_fmt ? 1 : 0; /* assume record() is defined */
+	ctx->ctx_fl_no_msg      = (ctx_flags & PFM_FL_OVFL_NO_MSG) ? 1: 0;
+	/*
+	 * will move to set properties
+	 * ctx->ctx_fl_excl_idle   = (ctx_flags & PFM_FL_EXCL_IDLE) ? 1: 0;
+	 */
+
+	/*
+	 * init restart semaphore to locked
+	 */
+	init_completion(&ctx->ctx_restart_done);
+
+	/*
+	 * activation is used in SMP only
+	 */
+	ctx->ctx_last_activation = PFM_INVALID_ACTIVATION;
+	SET_LAST_CPU(ctx, -1);
+
+	/*
+	 * initialize notification message queue
+	 */
+	ctx->ctx_msgq_head = ctx->ctx_msgq_tail = 0;
+	init_waitqueue_head(&ctx->ctx_msgq_wait);
+	init_waitqueue_head(&ctx->ctx_zombieq);
+
 	DPRINT(("ctx=%p flags=0x%x system=%d notify_block=%d excl_idle=%d no_msg=%d ctx_fd=%d \n",
 		ctx,
 		ctx_flags,
@@ -2725,14 +2755,10 @@ pfm_context_create(pfm_context_t *ctx, void *arg, int count, struct pt_regs *reg
 	 */
 	pfm_reset_pmu_state(ctx);
 
-	fd_install(fd, filp);
-
 	return 0;
 
 buffer_error:
-	path = filp->f_path;
-	put_filp(filp);
-	path_put(&path);
+	pfm_free_fd(ctx->ctx_fd, filp);
 
 	if (ctx->ctx_buf_fmt) {
 		pfm_buf_fmt_exit(ctx->ctx_buf_fmt, current, NULL, regs);
@@ -2741,7 +2767,6 @@ pfm_context_create(pfm_context_t *ctx, void *arg, int count, struct pt_regs *reg
 	pfm_context_free(ctx);
 
 error:
-	put_unused_fd(fd);
 	return ret;
 }
 
diff --git a/trunk/arch/ia64/kernel/signal.c b/trunk/arch/ia64/kernel/signal.c
index 19c5a78636fc..5740296c35af 100644
--- a/trunk/arch/ia64/kernel/signal.c
+++ b/trunk/arch/ia64/kernel/signal.c
@@ -464,7 +464,7 @@ ia64_do_signal (struct sigscratch *scr, long in_syscall)
 	if (!user_mode(&scr->pt))
 		return;
 
-	if (current_thread_info()->status & TS_RESTORE_SIGMASK)
+	if (test_thread_flag(TIF_RESTORE_SIGMASK))
 		oldset = &current->saved_sigmask;
 	else
 		oldset = &current->blocked;
@@ -530,13 +530,12 @@ ia64_do_signal (struct sigscratch *scr, long in_syscall)
 		 * continue to iterate in this loop so we can deliver the SIGSEGV...
 		 */
 		if (handle_signal(signr, &ka, &info, oldset, scr)) {
-			/*
-			 * A signal was successfully delivered; the saved
+			/* a signal was successfully delivered; the saved
 			 * sigmask will have been stored in the signal frame,
 			 * and will be restored by sigreturn, so we can simply
-			 * clear the TS_RESTORE_SIGMASK flag.
-			 */
-			current_thread_info()->status &= ~TS_RESTORE_SIGMASK;
+			 * clear the TIF_RESTORE_SIGMASK flag */
+			if (test_thread_flag(TIF_RESTORE_SIGMASK))
+				clear_thread_flag(TIF_RESTORE_SIGMASK);
 			return;
 		}
 	}
@@ -567,8 +566,8 @@ ia64_do_signal (struct sigscratch *scr, long in_syscall)
 
 	/* if there's no signal to deliver, we just put the saved sigmask
 	 * back */
-	if (current_thread_info()->status & TS_RESTORE_SIGMASK) {
-		current_thread_info()->status &= ~TS_RESTORE_SIGMASK;
+	if (test_thread_flag(TIF_RESTORE_SIGMASK)) {
+		clear_thread_flag(TIF_RESTORE_SIGMASK);
 		sigprocmask(SIG_SETMASK, &current->saved_sigmask, NULL);
 	}
 }
diff --git a/trunk/arch/ia64/kernel/smp.c b/trunk/arch/ia64/kernel/smp.c
index 983296f1c813..9a9d4c489330 100644
--- a/trunk/arch/ia64/kernel/smp.c
+++ b/trunk/arch/ia64/kernel/smp.c
@@ -98,33 +98,8 @@ unlock_ipi_calllock(void)
 	spin_unlock_irq(&call_lock);
 }
 
-static inline void
-handle_call_data(void)
-{
-	struct call_data_struct *data;
-	void (*func)(void *info);
-	void *info;
-	int wait;
-
-	/* release the 'pointer lock' */
-	data = (struct call_data_struct *)call_data;
-	func = data->func;
-	info = data->info;
-	wait = data->wait;
-
-	mb();
-	atomic_inc(&data->started);
-	/* At this point the structure may be gone unless wait is true. */
-	(*func)(info);
-
-	/* Notify the sending CPU that the task is done. */
-	mb();
-	if (wait)
-		atomic_inc(&data->finished);
-}
-
 static void
-stop_this_cpu(void)
+stop_this_cpu (void)
 {
 	/*
 	 * Remove this CPU:
@@ -163,21 +138,44 @@ handle_IPI (int irq, void *dev_id)
 			ops &= ~(1 << which);
 
 			switch (which) {
-			case IPI_CALL_FUNC:
-				handle_call_data();
-				break;
-
-			case IPI_CPU_STOP:
+			      case IPI_CALL_FUNC:
+			      {
+				      struct call_data_struct *data;
+				      void (*func)(void *info);
+				      void *info;
+				      int wait;
+
+				      /* release the 'pointer lock' */
+				      data = (struct call_data_struct *) call_data;
+				      func = data->func;
+				      info = data->info;
+				      wait = data->wait;
+
+				      mb();
+				      atomic_inc(&data->started);
+				      /*
+				       * At this point the structure may be gone unless
+				       * wait is true.
+				       */
+				      (*func)(info);
+
+				      /* Notify the sending CPU that the task is done.  */
+				      mb();
+				      if (wait)
+					      atomic_inc(&data->finished);
+			      }
+			      break;
+
+			      case IPI_CPU_STOP:
 				stop_this_cpu();
 				break;
 #ifdef CONFIG_KEXEC
-			case IPI_KDUMP_CPU_STOP:
+			      case IPI_KDUMP_CPU_STOP:
 				unw_init_running(kdump_cpu_freeze, NULL);
 				break;
 #endif
-			default:
-				printk(KERN_CRIT "Unknown IPI on CPU %d: %lu\n",
-						this_cpu, which);
+			      default:
+				printk(KERN_CRIT "Unknown IPI on CPU %d: %lu\n", this_cpu, which);
 				break;
 			}
 		} while (ops);
diff --git a/trunk/arch/ia64/kernel/time.c b/trunk/arch/ia64/kernel/time.c
index 8c73643f2d66..48e15a51782f 100644
--- a/trunk/arch/ia64/kernel/time.c
+++ b/trunk/arch/ia64/kernel/time.c
@@ -379,6 +379,11 @@ static struct irqaction timer_irqaction = {
 	.name =		"timer"
 };
 
+void __devinit ia64_disable_timer(void)
+{
+	ia64_set_itv(1 << 16);
+}
+
 void __init
 time_init (void)
 {
diff --git a/trunk/arch/ia64/kernel/topology.c b/trunk/arch/ia64/kernel/topology.c
index 26228e2d01ae..abb17a613b17 100644
--- a/trunk/arch/ia64/kernel/topology.c
+++ b/trunk/arch/ia64/kernel/topology.c
@@ -36,11 +36,9 @@ void arch_fix_phys_package_id(int num, u32 slot)
 }
 EXPORT_SYMBOL_GPL(arch_fix_phys_package_id);
 
-
-#ifdef CONFIG_HOTPLUG_CPU
-int __ref arch_register_cpu(int num)
+int arch_register_cpu(int num)
 {
-#ifdef CONFIG_ACPI
+#if defined (CONFIG_ACPI) && defined (CONFIG_HOTPLUG_CPU)
 	/*
 	 * If CPEI can be re-targetted or if this is not
 	 * CPEI target, then it is hotpluggable
@@ -49,21 +47,19 @@ int __ref arch_register_cpu(int num)
 		sysfs_cpus[num].cpu.hotpluggable = 1;
 	map_cpu_to_node(num, node_cpuid[num].nid);
 #endif
+
 	return register_cpu(&sysfs_cpus[num].cpu, num);
 }
-EXPORT_SYMBOL(arch_register_cpu);
+
+#ifdef CONFIG_HOTPLUG_CPU
 
 void arch_unregister_cpu(int num)
 {
 	unregister_cpu(&sysfs_cpus[num].cpu);
 	unmap_cpu_from_node(num, cpu_to_node(num));
 }
+EXPORT_SYMBOL(arch_register_cpu);
 EXPORT_SYMBOL(arch_unregister_cpu);
-#else
-static int __init arch_register_cpu(int num)
-{
-	return register_cpu(&sysfs_cpus[num].cpu, num);
-}
 #endif /*CONFIG_HOTPLUG_CPU*/
 
 
diff --git a/trunk/arch/m32r/Makefile b/trunk/arch/m32r/Makefile
index 469766b24e22..4072a07ebf8e 100644
--- a/trunk/arch/m32r/Makefile
+++ b/trunk/arch/m32r/Makefile
@@ -5,8 +5,6 @@
 # architecture-specific flags and dependencies.
 #
 
-KBUILD_DEFCONFIG := m32700ut.smp_defconfig
-
 LDFLAGS		:=
 OBJCOPYFLAGS	:= -O binary -R .note -R .comment -S
 LDFLAGS_vmlinux	:=
diff --git a/trunk/arch/m32r/defconfig b/trunk/arch/m32r/defconfig
new file mode 100644
index 000000000000..af3b98179113
--- /dev/null
+++ b/trunk/arch/m32r/defconfig
@@ -0,0 +1,863 @@
+#
+# Automatically generated make config: don't edit
+# Linux kernel version: 2.6.23-rc1
+# Wed Aug  1 17:22:35 2007
+#
+CONFIG_M32R=y
+CONFIG_GENERIC_ISA_DMA=y
+CONFIG_ZONE_DMA=y
+CONFIG_GENERIC_HARDIRQS=y
+CONFIG_GENERIC_IRQ_PROBE=y
+CONFIG_NO_IOPORT=y
+CONFIG_NO_DMA=y
+CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
+
+#
+# Code maturity level options
+#
+CONFIG_EXPERIMENTAL=y
+CONFIG_LOCK_KERNEL=y
+CONFIG_INIT_ENV_ARG_LIMIT=32
+
+#
+# General setup
+#
+CONFIG_LOCALVERSION=""
+CONFIG_LOCALVERSION_AUTO=y
+CONFIG_SWAP=y
+CONFIG_SYSVIPC=y
+CONFIG_SYSVIPC_SYSCTL=y
+# CONFIG_POSIX_MQUEUE is not set
+CONFIG_BSD_PROCESS_ACCT=y
+# CONFIG_BSD_PROCESS_ACCT_V3 is not set
+# CONFIG_TASKSTATS is not set
+# CONFIG_USER_NS is not set
+# CONFIG_AUDIT is not set
+CONFIG_IKCONFIG=y
+CONFIG_IKCONFIG_PROC=y
+CONFIG_LOG_BUF_SHIFT=15
+# CONFIG_CPUSETS is not set
+CONFIG_SYSFS_DEPRECATED=y
+# CONFIG_RELAY is not set
+# CONFIG_BLK_DEV_INITRD is not set
+# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
+CONFIG_SYSCTL=y
+CONFIG_EMBEDDED=y
+CONFIG_SYSCTL_SYSCALL=y
+# CONFIG_KALLSYMS is not set
+CONFIG_HOTPLUG=y
+CONFIG_PRINTK=y
+CONFIG_BUG=y
+CONFIG_ELF_CORE=y
+CONFIG_BASE_FULL=y
+# CONFIG_FUTEX is not set
+CONFIG_ANON_INODES=y
+# CONFIG_EPOLL is not set
+CONFIG_SIGNALFD=y
+CONFIG_TIMERFD=y
+CONFIG_EVENTFD=y
+CONFIG_SHMEM=y
+CONFIG_VM_EVENT_COUNTERS=y
+CONFIG_SLAB=y
+# CONFIG_SLUB is not set
+# CONFIG_SLOB is not set
+# CONFIG_TINY_SHMEM is not set
+CONFIG_BASE_SMALL=0
+CONFIG_MODULES=y
+CONFIG_MODULE_UNLOAD=y
+# CONFIG_MODULE_FORCE_UNLOAD is not set
+# CONFIG_MODVERSIONS is not set
+# CONFIG_MODULE_SRCVERSION_ALL is not set
+CONFIG_KMOD=y
+CONFIG_STOP_MACHINE=y
+CONFIG_BLOCK=y
+# CONFIG_LBD is not set
+# CONFIG_BLK_DEV_IO_TRACE is not set
+# CONFIG_LSF is not set
+# CONFIG_BLK_DEV_BSG is not set
+
+#
+# IO Schedulers
+#
+CONFIG_IOSCHED_NOOP=y
+# CONFIG_IOSCHED_AS is not set
+CONFIG_IOSCHED_DEADLINE=y
+CONFIG_IOSCHED_CFQ=y
+# CONFIG_DEFAULT_AS is not set
+# CONFIG_DEFAULT_DEADLINE is not set
+CONFIG_DEFAULT_CFQ=y
+# CONFIG_DEFAULT_NOOP is not set
+CONFIG_DEFAULT_IOSCHED="cfq"
+
+#
+# Processor type and features
+#
+# CONFIG_PLAT_MAPPI is not set
+# CONFIG_PLAT_USRV is not set
+CONFIG_PLAT_M32700UT=y
+# CONFIG_PLAT_OPSPUT is not set
+# CONFIG_PLAT_OAKS32R is not set
+# CONFIG_PLAT_MAPPI2 is not set
+# CONFIG_PLAT_MAPPI3 is not set
+# CONFIG_PLAT_M32104UT is not set
+CONFIG_CHIP_M32700=y
+# CONFIG_CHIP_M32102 is not set
+# CONFIG_CHIP_M32104 is not set
+# CONFIG_CHIP_VDEC2 is not set
+# CONFIG_CHIP_OPSP is not set
+CONFIG_MMU=y
+CONFIG_TLB_ENTRIES=32
+CONFIG_ISA_M32R2=y
+CONFIG_ISA_DSP_LEVEL2=y
+CONFIG_ISA_DUAL_ISSUE=y
+CONFIG_BUS_CLOCK=50000000
+CONFIG_TIMER_DIVIDE=128
+# CONFIG_CPU_LITTLE_ENDIAN is not set
+CONFIG_MEMORY_START=0x08000000
+CONFIG_MEMORY_SIZE=0x01000000
+CONFIG_NOHIGHMEM=y
+CONFIG_ARCH_DISCONTIGMEM_ENABLE=y
+CONFIG_SELECT_MEMORY_MODEL=y
+# CONFIG_FLATMEM_MANUAL is not set
+CONFIG_DISCONTIGMEM_MANUAL=y
+# CONFIG_SPARSEMEM_MANUAL is not set
+CONFIG_DISCONTIGMEM=y
+CONFIG_FLAT_NODE_MEM_MAP=y
+CONFIG_NEED_MULTIPLE_NODES=y
+# CONFIG_SPARSEMEM_STATIC is not set
+CONFIG_SPLIT_PTLOCK_CPUS=4
+# CONFIG_RESOURCES_64BIT is not set
+CONFIG_ZONE_DMA_FLAG=1
+CONFIG_BOUNCE=y
+CONFIG_VIRT_TO_BUS=y
+CONFIG_IRAM_START=0x00f00000
+CONFIG_IRAM_SIZE=0x00080000
+CONFIG_RWSEM_GENERIC_SPINLOCK=y
+# CONFIG_RWSEM_XCHGADD_ALGORITHM is not set
+# CONFIG_ARCH_HAS_ILOG2_U32 is not set
+# CONFIG_ARCH_HAS_ILOG2_U64 is not set
+CONFIG_GENERIC_FIND_NEXT_BIT=y
+CONFIG_GENERIC_HWEIGHT=y
+CONFIG_GENERIC_CALIBRATE_DELAY=y
+CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER=y
+CONFIG_PREEMPT=y
+CONFIG_SMP=y
+# CONFIG_CHIP_M32700_TS1 is not set
+CONFIG_NR_CPUS=2
+CONFIG_NODES_SHIFT=1
+
+#
+# Bus options (PCI, PCMCIA, EISA, MCA, ISA)
+#
+# CONFIG_ARCH_SUPPORTS_MSI is not set
+# CONFIG_ISA is not set
+
+#
+# PCCARD (PCMCIA/CardBus) support
+#
+# CONFIG_PCCARD is not set
+
+#
+# Executable file formats
+#
+CONFIG_BINFMT_ELF=y
+# CONFIG_BINFMT_MISC is not set
+
+#
+# Networking
+#
+CONFIG_NET=y
+
+#
+# Networking options
+#
+CONFIG_PACKET=y
+# CONFIG_PACKET_MMAP is not set
+CONFIG_UNIX=y
+CONFIG_XFRM=y
+# CONFIG_XFRM_USER is not set
+# CONFIG_XFRM_SUB_POLICY is not set
+# CONFIG_XFRM_MIGRATE is not set
+# CONFIG_NET_KEY is not set
+CONFIG_INET=y
+# CONFIG_IP_MULTICAST is not set
+# CONFIG_IP_ADVANCED_ROUTER is not set
+CONFIG_IP_FIB_HASH=y
+CONFIG_IP_PNP=y
+CONFIG_IP_PNP_DHCP=y
+# CONFIG_IP_PNP_BOOTP is not set
+# CONFIG_IP_PNP_RARP is not set
+# CONFIG_NET_IPIP is not set
+# CONFIG_NET_IPGRE is not set
+# CONFIG_ARPD is not set
+# CONFIG_SYN_COOKIES is not set
+# CONFIG_INET_AH is not set
+# CONFIG_INET_ESP is not set
+# CONFIG_INET_IPCOMP is not set
+# CONFIG_INET_XFRM_TUNNEL is not set
+# CONFIG_INET_TUNNEL is not set
+CONFIG_INET_XFRM_MODE_TRANSPORT=y
+CONFIG_INET_XFRM_MODE_TUNNEL=y
+CONFIG_INET_XFRM_MODE_BEET=y
+CONFIG_INET_DIAG=y
+CONFIG_INET_TCP_DIAG=y
+# CONFIG_TCP_CONG_ADVANCED is not set
+CONFIG_TCP_CONG_CUBIC=y
+CONFIG_DEFAULT_TCP_CONG="cubic"
+# CONFIG_TCP_MD5SIG is not set
+# CONFIG_IPV6 is not set
+# CONFIG_INET6_XFRM_TUNNEL is not set
+# CONFIG_INET6_TUNNEL is not set
+# CONFIG_NETWORK_SECMARK is not set
+# CONFIG_NETFILTER is not set
+# CONFIG_IP_DCCP is not set
+# CONFIG_IP_SCTP is not set
+# CONFIG_TIPC is not set
+# CONFIG_ATM is not set
+# CONFIG_BRIDGE is not set
+# CONFIG_VLAN_8021Q is not set
+# CONFIG_DECNET is not set
+# CONFIG_LLC2 is not set
+# CONFIG_IPX is not set
+# CONFIG_ATALK is not set
+# CONFIG_X25 is not set
+# CONFIG_LAPB is not set
+# CONFIG_ECONET is not set
+# CONFIG_WAN_ROUTER is not set
+
+#
+# QoS and/or fair queueing
+#
+# CONFIG_NET_SCHED is not set
+
+#
+# Network testing
+#
+# CONFIG_NET_PKTGEN is not set
+# CONFIG_HAMRADIO is not set
+# CONFIG_IRDA is not set
+# CONFIG_BT is not set
+# CONFIG_AF_RXRPC is not set
+
+#
+# Wireless
+#
+# CONFIG_CFG80211 is not set
+# CONFIG_WIRELESS_EXT is not set
+# CONFIG_MAC80211 is not set
+# CONFIG_IEEE80211 is not set
+# CONFIG_RFKILL is not set
+# CONFIG_NET_9P is not set
+
+#
+# Device Drivers
+#
+
+#
+# Generic Driver Options
+#
+CONFIG_STANDALONE=y
+CONFIG_PREVENT_FIRMWARE_BUILD=y
+CONFIG_FW_LOADER=y
+# CONFIG_SYS_HYPERVISOR is not set
+# CONFIG_CONNECTOR is not set
+CONFIG_MTD=y
+# CONFIG_MTD_DEBUG is not set
+# CONFIG_MTD_CONCAT is not set
+CONFIG_MTD_PARTITIONS=y
+CONFIG_MTD_REDBOOT_PARTS=y
+CONFIG_MTD_REDBOOT_DIRECTORY_BLOCK=-1
+# CONFIG_MTD_REDBOOT_PARTS_UNALLOCATED is not set
+# CONFIG_MTD_REDBOOT_PARTS_READONLY is not set
+# CONFIG_MTD_CMDLINE_PARTS is not set
+
+#
+# User Modules And Translation Layers
+#
+# CONFIG_MTD_CHAR is not set
+CONFIG_MTD_BLKDEVS=y
+CONFIG_MTD_BLOCK=y
+# CONFIG_FTL is not set
+# CONFIG_NFTL is not set
+# CONFIG_INFTL is not set
+# CONFIG_RFD_FTL is not set
+# CONFIG_SSFDC is not set
+
+#
+# RAM/ROM/Flash chip drivers
+#
+CONFIG_MTD_CFI=m
+CONFIG_MTD_JEDECPROBE=m
+CONFIG_MTD_GEN_PROBE=m
+CONFIG_MTD_CFI_ADV_OPTIONS=y
+# CONFIG_MTD_CFI_NOSWAP is not set
+CONFIG_MTD_CFI_BE_BYTE_SWAP=y
+# CONFIG_MTD_CFI_LE_BYTE_SWAP is not set
+CONFIG_MTD_CFI_GEOMETRY=y
+CONFIG_MTD_MAP_BANK_WIDTH_1=y
+CONFIG_MTD_MAP_BANK_WIDTH_2=y
+CONFIG_MTD_MAP_BANK_WIDTH_4=y
+# CONFIG_MTD_MAP_BANK_WIDTH_8 is not set
+# CONFIG_MTD_MAP_BANK_WIDTH_16 is not set
+# CONFIG_MTD_MAP_BANK_WIDTH_32 is not set
+CONFIG_MTD_CFI_I1=y
+# CONFIG_MTD_CFI_I2 is not set
+# CONFIG_MTD_CFI_I4 is not set
+# CONFIG_MTD_CFI_I8 is not set
+# CONFIG_MTD_OTP is not set
+# CONFIG_MTD_CFI_INTELEXT is not set
+CONFIG_MTD_CFI_AMDSTD=m
+# CONFIG_MTD_CFI_STAA is not set
+CONFIG_MTD_CFI_UTIL=m
+# CONFIG_MTD_RAM is not set
+# CONFIG_MTD_ROM is not set
+# CONFIG_MTD_ABSENT is not set
+
+#
+# Mapping drivers for chip access
+#
+# CONFIG_MTD_COMPLEX_MAPPINGS is not set
+# CONFIG_MTD_PHYSMAP is not set
+# CONFIG_MTD_PLATRAM is not set
+
+#
+# Self-contained MTD device drivers
+#
+# CONFIG_MTD_SLRAM is not set
+# CONFIG_MTD_PHRAM is not set
+# CONFIG_MTD_MTDRAM is not set
+# CONFIG_MTD_BLOCK2MTD is not set
+
+#
+# Disk-On-Chip Device Drivers
+#
+# CONFIG_MTD_DOC2000 is not set
+# CONFIG_MTD_DOC2001 is not set
+# CONFIG_MTD_DOC2001PLUS is not set
+# CONFIG_MTD_NAND is not set
+# CONFIG_MTD_ONENAND is not set
+
+#
+# UBI - Unsorted block images
+#
+# CONFIG_MTD_UBI is not set
+# CONFIG_PARPORT is not set
+CONFIG_BLK_DEV=y
+# CONFIG_BLK_DEV_COW_COMMON is not set
+CONFIG_BLK_DEV_LOOP=y
+# CONFIG_BLK_DEV_CRYPTOLOOP is not set
+CONFIG_BLK_DEV_NBD=y
+CONFIG_BLK_DEV_RAM=y
+CONFIG_BLK_DEV_RAM_COUNT=16
+CONFIG_BLK_DEV_RAM_SIZE=4096
+CONFIG_BLK_DEV_RAM_BLOCKSIZE=1024
+# CONFIG_CDROM_PKTCDVD is not set
+CONFIG_ATA_OVER_ETH=m
+CONFIG_MISC_DEVICES=y
+# CONFIG_EEPROM_93CX6 is not set
+CONFIG_IDE=y
+CONFIG_IDE_MAX_HWIFS=4
+CONFIG_BLK_DEV_IDE=y
+
+#
+# Please see Documentation/ide.txt for help/info on IDE drives
+#
+# CONFIG_BLK_DEV_IDE_SATA is not set
+CONFIG_BLK_DEV_IDEDISK=y
+# CONFIG_IDEDISK_MULTI_MODE is not set
+CONFIG_BLK_DEV_IDECD=m
+# CONFIG_BLK_DEV_IDETAPE is not set
+# CONFIG_BLK_DEV_IDEFLOPPY is not set
+# CONFIG_BLK_DEV_IDESCSI is not set
+# CONFIG_IDE_TASK_IOCTL is not set
+CONFIG_IDE_PROC_FS=y
+
+#
+# IDE chipset support/bugfixes
+#
+CONFIG_IDE_GENERIC=y
+# CONFIG_IDEPCI_PCIBUS_ORDER is not set
+# CONFIG_IDE_ARM is not set
+# CONFIG_BLK_DEV_IDEDMA is not set
+# CONFIG_BLK_DEV_HD is not set
+
+#
+# SCSI device support
+#
+# CONFIG_RAID_ATTRS is not set
+CONFIG_SCSI=m
+# CONFIG_SCSI_DMA is not set
+# CONFIG_SCSI_TGT is not set
+# CONFIG_SCSI_NETLINK is not set
+CONFIG_SCSI_PROC_FS=y
+
+#
+# SCSI support type (disk, tape, CD-ROM)
+#
+CONFIG_BLK_DEV_SD=m
+# CONFIG_CHR_DEV_ST is not set
+# CONFIG_CHR_DEV_OSST is not set
+CONFIG_BLK_DEV_SR=m
+# CONFIG_BLK_DEV_SR_VENDOR is not set
+CONFIG_CHR_DEV_SG=m
+# CONFIG_CHR_DEV_SCH is not set
+
+#
+# Some SCSI devices (e.g. CD jukebox) support multiple LUNs
+#
+CONFIG_SCSI_MULTI_LUN=y
+# CONFIG_SCSI_CONSTANTS is not set
+# CONFIG_SCSI_LOGGING is not set
+# CONFIG_SCSI_SCAN_ASYNC is not set
+CONFIG_SCSI_WAIT_SCAN=m
+
+#
+# SCSI Transports
+#
+# CONFIG_SCSI_SPI_ATTRS is not set
+# CONFIG_SCSI_FC_ATTRS is not set
+# CONFIG_SCSI_ISCSI_ATTRS is not set
+# CONFIG_SCSI_SAS_LIBSAS is not set
+CONFIG_SCSI_LOWLEVEL=y
+# CONFIG_ISCSI_TCP is not set
+# CONFIG_SCSI_DEBUG is not set
+# CONFIG_MD is not set
+CONFIG_NETDEVICES=y
+# CONFIG_NETDEVICES_MULTIQUEUE is not set
+# CONFIG_DUMMY is not set
+# CONFIG_BONDING is not set
+# CONFIG_MACVLAN is not set
+# CONFIG_EQUALIZER is not set
+# CONFIG_TUN is not set
+# CONFIG_PHYLIB is not set
+CONFIG_NET_ETHERNET=y
+CONFIG_MII=y
+CONFIG_SMC91X=y
+# CONFIG_NE2000 is not set
+CONFIG_NETDEV_1000=y
+CONFIG_NETDEV_10000=y
+
+#
+# Wireless LAN
+#
+# CONFIG_WLAN_PRE80211 is not set
+# CONFIG_WLAN_80211 is not set
+# CONFIG_WAN is not set
+# CONFIG_PPP is not set
+# CONFIG_SLIP is not set
+# CONFIG_SHAPER is not set
+# CONFIG_NETCONSOLE is not set
+# CONFIG_NETPOLL is not set
+# CONFIG_NET_POLL_CONTROLLER is not set
+# CONFIG_ISDN is not set
+# CONFIG_PHONE is not set
+
+#
+# Input device support
+#
+CONFIG_INPUT=y
+# CONFIG_INPUT_FF_MEMLESS is not set
+# CONFIG_INPUT_POLLDEV is not set
+
+#
+# Userland interfaces
+#
+# CONFIG_INPUT_MOUSEDEV is not set
+# CONFIG_INPUT_JOYDEV is not set
+# CONFIG_INPUT_TSDEV is not set
+# CONFIG_INPUT_EVDEV is not set
+# CONFIG_INPUT_EVBUG is not set
+
+#
+# Input Device Drivers
+#
+# CONFIG_INPUT_KEYBOARD is not set
+# CONFIG_INPUT_MOUSE is not set
+# CONFIG_INPUT_JOYSTICK is not set
+# CONFIG_INPUT_TABLET is not set
+# CONFIG_INPUT_TOUCHSCREEN is not set
+# CONFIG_INPUT_MISC is not set
+
+#
+# Hardware I/O ports
+#
+CONFIG_SERIO=y
+# CONFIG_SERIO_I8042 is not set
+CONFIG_SERIO_SERPORT=y
+# CONFIG_SERIO_LIBPS2 is not set
+# CONFIG_SERIO_RAW is not set
+# CONFIG_GAMEPORT is not set
+
+#
+# Character devices
+#
+CONFIG_VT=y
+CONFIG_VT_CONSOLE=y
+CONFIG_HW_CONSOLE=y
+# CONFIG_VT_HW_CONSOLE_BINDING is not set
+# CONFIG_SERIAL_NONSTANDARD is not set
+
+#
+# Serial drivers
+#
+# CONFIG_SERIAL_8250 is not set
+
+#
+# Non-8250 serial port support
+#
+CONFIG_SERIAL_CORE=y
+CONFIG_SERIAL_CORE_CONSOLE=y
+CONFIG_SERIAL_M32R_SIO=y
+CONFIG_SERIAL_M32R_SIO_CONSOLE=y
+CONFIG_SERIAL_M32R_PLDSIO=y
+CONFIG_UNIX98_PTYS=y
+CONFIG_LEGACY_PTYS=y
+CONFIG_LEGACY_PTY_COUNT=256
+# CONFIG_IPMI_HANDLER is not set
+# CONFIG_WATCHDOG is not set
+CONFIG_HW_RANDOM=y
+# CONFIG_RTC is not set
+CONFIG_DS1302=y
+# CONFIG_R3964 is not set
+# CONFIG_RAW_DRIVER is not set
+# CONFIG_TCG_TPM is not set
+# CONFIG_I2C is not set
+
+#
+# SPI support
+#
+# CONFIG_SPI is not set
+# CONFIG_SPI_MASTER is not set
+# CONFIG_W1 is not set
+# CONFIG_POWER_SUPPLY is not set
+CONFIG_HWMON=y
+# CONFIG_HWMON_VID is not set
+# CONFIG_SENSORS_ABITUGURU is not set
+# CONFIG_SENSORS_ABITUGURU3 is not set
+# CONFIG_SENSORS_F71805F is not set
+# CONFIG_SENSORS_IT87 is not set
+# CONFIG_SENSORS_PC87360 is not set
+# CONFIG_SENSORS_PC87427 is not set
+# CONFIG_SENSORS_SMSC47M1 is not set
+# CONFIG_SENSORS_SMSC47B397 is not set
+# CONFIG_SENSORS_VT1211 is not set
+# CONFIG_SENSORS_W83627HF is not set
+# CONFIG_SENSORS_W83627EHF is not set
+# CONFIG_HWMON_DEBUG_CHIP is not set
+
+#
+# Multifunction device drivers
+#
+# CONFIG_MFD_SM501 is not set
+
+#
+# Multimedia devices
+#
+CONFIG_VIDEO_DEV=m
+CONFIG_VIDEO_V4L1=y
+CONFIG_VIDEO_V4L1_COMPAT=y
+CONFIG_VIDEO_V4L2=y
+CONFIG_VIDEO_CAPTURE_DRIVERS=y
+# CONFIG_VIDEO_ADV_DEBUG is not set
+CONFIG_VIDEO_HELPER_CHIPS_AUTO=y
+# CONFIG_VIDEO_CPIA is not set
+CONFIG_VIDEO_M32R_AR=m
+CONFIG_VIDEO_M32R_AR_M64278=m
+CONFIG_RADIO_ADAPTERS=y
+# CONFIG_DVB_CORE is not set
+CONFIG_DAB=y
+
+#
+# Graphics support
+#
+# CONFIG_BACKLIGHT_LCD_SUPPORT is not set
+
+#
+# Display device support
+#
+# CONFIG_DISPLAY_SUPPORT is not set
+# CONFIG_VGASTATE is not set
+CONFIG_VIDEO_OUTPUT_CONTROL=m
+CONFIG_FB=y
+CONFIG_FIRMWARE_EDID=y
+# CONFIG_FB_DDC is not set
+CONFIG_FB_CFB_FILLRECT=y
+CONFIG_FB_CFB_COPYAREA=y
+CONFIG_FB_CFB_IMAGEBLIT=y
+# CONFIG_FB_SYS_FILLRECT is not set
+# CONFIG_FB_SYS_COPYAREA is not set
+# CONFIG_FB_SYS_IMAGEBLIT is not set
+# CONFIG_FB_SYS_FOPS is not set
+CONFIG_FB_DEFERRED_IO=y
+# CONFIG_FB_SVGALIB is not set
+# CONFIG_FB_MACMODES is not set
+# CONFIG_FB_BACKLIGHT is not set
+# CONFIG_FB_MODE_HELPERS is not set
+# CONFIG_FB_TILEBLITTING is not set
+
+#
+# Frame buffer hardware drivers
+#
+CONFIG_FB_S1D13XXX=y
+# CONFIG_FB_VIRTUAL is not set
+
+#
+# Console display driver support
+#
+# CONFIG_VGA_CONSOLE is not set
+CONFIG_DUMMY_CONSOLE=y
+CONFIG_FRAMEBUFFER_CONSOLE=y
+# CONFIG_FRAMEBUFFER_CONSOLE_DETECT_PRIMARY is not set
+# CONFIG_FRAMEBUFFER_CONSOLE_ROTATION is not set
+# CONFIG_FONTS is not set
+CONFIG_FONT_8x8=y
+CONFIG_FONT_8x16=y
+CONFIG_LOGO=y
+CONFIG_LOGO_LINUX_MONO=y
+CONFIG_LOGO_LINUX_VGA16=y
+CONFIG_LOGO_LINUX_CLUT224=y
+CONFIG_LOGO_M32R_CLUT224=y
+
+#
+# Sound
+#
+# CONFIG_SOUND is not set
+CONFIG_HID_SUPPORT=y
+CONFIG_HID=y
+# CONFIG_HID_DEBUG is not set
+CONFIG_USB_SUPPORT=y
+# CONFIG_USB_ARCH_HAS_HCD is not set
+# CONFIG_USB_ARCH_HAS_OHCI is not set
+# CONFIG_USB_ARCH_HAS_EHCI is not set
+
+#
+# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support'
+#
+
+#
+# USB Gadget Support
+#
+# CONFIG_USB_GADGET is not set
+CONFIG_MMC=y
+CONFIG_MMC_DEBUG=y
+# CONFIG_MMC_UNSAFE_RESUME is not set
+
+#
+# MMC/SD Card Drivers
+#
+CONFIG_MMC_BLOCK=y
+CONFIG_MMC_BLOCK_BOUNCE=y
+
+#
+# MMC/SD Host Controller Drivers
+#
+# CONFIG_NEW_LEDS is not set
+
+#
+# Real Time Clock
+#
+# CONFIG_RTC_CLASS is not set
+
+#
+# Userspace I/O
+#
+# CONFIG_UIO is not set
+
+#
+# File systems
+#
+CONFIG_EXT2_FS=y
+# CONFIG_EXT2_FS_XATTR is not set
+# CONFIG_EXT2_FS_XIP is not set
+CONFIG_EXT3_FS=y
+CONFIG_EXT3_FS_XATTR=y
+# CONFIG_EXT3_FS_POSIX_ACL is not set
+# CONFIG_EXT3_FS_SECURITY is not set
+# CONFIG_EXT4DEV_FS is not set
+CONFIG_JBD=y
+CONFIG_JBD_DEBUG=y
+CONFIG_FS_MBCACHE=y
+CONFIG_REISERFS_FS=m
+# CONFIG_REISERFS_CHECK is not set
+# CONFIG_REISERFS_PROC_INFO is not set
+# CONFIG_REISERFS_FS_XATTR is not set
+# CONFIG_JFS_FS is not set
+# CONFIG_FS_POSIX_ACL is not set
+# CONFIG_XFS_FS is not set
+# CONFIG_GFS2_FS is not set
+# CONFIG_OCFS2_FS is not set
+# CONFIG_MINIX_FS is not set
+# CONFIG_ROMFS_FS is not set
+CONFIG_INOTIFY=y
+CONFIG_INOTIFY_USER=y
+# CONFIG_QUOTA is not set
+CONFIG_DNOTIFY=y
+# CONFIG_AUTOFS_FS is not set
+# CONFIG_AUTOFS4_FS is not set
+# CONFIG_FUSE_FS is not set
+
+#
+# CD-ROM/DVD Filesystems
+#
+CONFIG_ISO9660_FS=m
+CONFIG_JOLIET=y
+# CONFIG_ZISOFS is not set
+CONFIG_UDF_FS=m
+CONFIG_UDF_NLS=y
+
+#
+# DOS/FAT/NT Filesystems
+#
+CONFIG_FAT_FS=m
+CONFIG_MSDOS_FS=m
+CONFIG_VFAT_FS=m
+CONFIG_FAT_DEFAULT_CODEPAGE=437
+CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1"
+# CONFIG_NTFS_FS is not set
+
+#
+# Pseudo filesystems
+#
+CONFIG_PROC_FS=y
+CONFIG_PROC_KCORE=y
+CONFIG_PROC_SYSCTL=y
+CONFIG_SYSFS=y
+CONFIG_TMPFS=y
+# CONFIG_TMPFS_POSIX_ACL is not set
+# CONFIG_HUGETLB_PAGE is not set
+CONFIG_RAMFS=y
+# CONFIG_CONFIGFS_FS is not set
+
+#
+# Miscellaneous filesystems
+#
+# CONFIG_ADFS_FS is not set
+# CONFIG_AFFS_FS is not set
+# CONFIG_HFS_FS is not set
+# CONFIG_HFSPLUS_FS is not set
+# CONFIG_BEFS_FS is not set
+# CONFIG_BFS_FS is not set
+# CONFIG_EFS_FS is not set
+# CONFIG_JFFS2_FS is not set
+# CONFIG_CRAMFS is not set
+# CONFIG_VXFS_FS is not set
+# CONFIG_HPFS_FS is not set
+# CONFIG_QNX4FS_FS is not set
+# CONFIG_SYSV_FS is not set
+# CONFIG_UFS_FS is not set
+
+#
+# Network File Systems
+#
+CONFIG_NFS_FS=y
+CONFIG_NFS_V3=y
+# CONFIG_NFS_V3_ACL is not set
+# CONFIG_NFS_V4 is not set
+# CONFIG_NFS_DIRECTIO is not set
+# CONFIG_NFSD is not set
+CONFIG_ROOT_NFS=y
+CONFIG_LOCKD=y
+CONFIG_LOCKD_V4=y
+CONFIG_NFS_COMMON=y
+CONFIG_SUNRPC=y
+# CONFIG_SUNRPC_BIND34 is not set
+# CONFIG_RPCSEC_GSS_KRB5 is not set
+# CONFIG_RPCSEC_GSS_SPKM3 is not set
+# CONFIG_SMB_FS is not set
+# CONFIG_CIFS is not set
+# CONFIG_NCP_FS is not set
+# CONFIG_CODA_FS is not set
+# CONFIG_AFS_FS is not set
+
+#
+# Partition Types
+#
+# CONFIG_PARTITION_ADVANCED is not set
+CONFIG_MSDOS_PARTITION=y
+
+#
+# Native Language Support
+#
+CONFIG_NLS=y
+CONFIG_NLS_DEFAULT="iso8859-1"
+# CONFIG_NLS_CODEPAGE_437 is not set
+# CONFIG_NLS_CODEPAGE_737 is not set
+# CONFIG_NLS_CODEPAGE_775 is not set
+# CONFIG_NLS_CODEPAGE_850 is not set
+# CONFIG_NLS_CODEPAGE_852 is not set
+# CONFIG_NLS_CODEPAGE_855 is not set
+# CONFIG_NLS_CODEPAGE_857 is not set
+# CONFIG_NLS_CODEPAGE_860 is not set
+# CONFIG_NLS_CODEPAGE_861 is not set
+# CONFIG_NLS_CODEPAGE_862 is not set
+# CONFIG_NLS_CODEPAGE_863 is not set
+# CONFIG_NLS_CODEPAGE_864 is not set
+# CONFIG_NLS_CODEPAGE_865 is not set
+# CONFIG_NLS_CODEPAGE_866 is not set
+# CONFIG_NLS_CODEPAGE_869 is not set
+# CONFIG_NLS_CODEPAGE_936 is not set
+# CONFIG_NLS_CODEPAGE_950 is not set
+# CONFIG_NLS_CODEPAGE_932 is not set
+# CONFIG_NLS_CODEPAGE_949 is not set
+# CONFIG_NLS_CODEPAGE_874 is not set
+# CONFIG_NLS_ISO8859_8 is not set
+# CONFIG_NLS_CODEPAGE_1250 is not set
+# CONFIG_NLS_CODEPAGE_1251 is not set
+# CONFIG_NLS_ASCII is not set
+# CONFIG_NLS_ISO8859_1 is not set
+# CONFIG_NLS_ISO8859_2 is not set
+# CONFIG_NLS_ISO8859_3 is not set
+# CONFIG_NLS_ISO8859_4 is not set
+# CONFIG_NLS_ISO8859_5 is not set
+# CONFIG_NLS_ISO8859_6 is not set
+# CONFIG_NLS_ISO8859_7 is not set
+# CONFIG_NLS_ISO8859_9 is not set
+# CONFIG_NLS_ISO8859_13 is not set
+# CONFIG_NLS_ISO8859_14 is not set
+# CONFIG_NLS_ISO8859_15 is not set
+# CONFIG_NLS_KOI8_R is not set
+# CONFIG_NLS_KOI8_U is not set
+# CONFIG_NLS_UTF8 is not set
+
+#
+# Distributed Lock Manager
+#
+# CONFIG_DLM is not set
+
+#
+# Profiling support
+#
+CONFIG_PROFILING=y
+CONFIG_OPROFILE=y
+
+#
+# Kernel hacking
+#
+# CONFIG_PRINTK_TIME is not set
+CONFIG_ENABLE_MUST_CHECK=y
+# CONFIG_MAGIC_SYSRQ is not set
+# CONFIG_UNUSED_SYMBOLS is not set
+# CONFIG_DEBUG_FS is not set
+# CONFIG_HEADERS_CHECK is not set
+# CONFIG_DEBUG_KERNEL is not set
+# CONFIG_DEBUG_BUGVERBOSE is not set
+# CONFIG_FRAME_POINTER is not set
+
+#
+# Security options
+#
+# CONFIG_KEYS is not set
+# CONFIG_SECURITY is not set
+# CONFIG_CRYPTO is not set
+
+#
+# Library routines
+#
+CONFIG_BITREVERSE=y
+# CONFIG_CRC_CCITT is not set
+# CONFIG_CRC16 is not set
+# CONFIG_CRC_ITU_T is not set
+CONFIG_CRC32=y
+# CONFIG_CRC7 is not set
+# CONFIG_LIBCRC32C is not set
+CONFIG_HAS_IOMEM=y
diff --git a/trunk/arch/m32r/kernel/vmlinux.lds.S b/trunk/arch/m32r/kernel/vmlinux.lds.S
index 15a6f36c06db..41b07854fcc6 100644
--- a/trunk/arch/m32r/kernel/vmlinux.lds.S
+++ b/trunk/arch/m32r/kernel/vmlinux.lds.S
@@ -60,6 +60,9 @@ SECTIONS
   . = ALIGN(4096);
   __nosave_end = .;
 
+  . = ALIGN(4096);
+  .data.page_aligned : { *(.data.idt) }
+
   . = ALIGN(32);
   .data.cacheline_aligned : { *(.data.cacheline_aligned) }
 
diff --git a/trunk/drivers/block/virtio_blk.c b/trunk/drivers/block/virtio_blk.c
index 84e064ffee52..0cfbe8c594a5 100644
--- a/trunk/drivers/block/virtio_blk.c
+++ b/trunk/drivers/block/virtio_blk.c
@@ -35,7 +35,7 @@ struct virtblk_req
 	struct list_head list;
 	struct request *req;
 	struct virtio_blk_outhdr out_hdr;
-	u8 status;
+	struct virtio_blk_inhdr in_hdr;
 };
 
 static void blk_done(struct virtqueue *vq)
@@ -48,7 +48,7 @@ static void blk_done(struct virtqueue *vq)
 	spin_lock_irqsave(&vblk->lock, flags);
 	while ((vbr = vblk->vq->vq_ops->get_buf(vblk->vq, &len)) != NULL) {
 		int uptodate;
-		switch (vbr->status) {
+		switch (vbr->in_hdr.status) {
 		case VIRTIO_BLK_S_OK:
 			uptodate = 1;
 			break;
@@ -101,7 +101,7 @@ static bool do_req(struct request_queue *q, struct virtio_blk *vblk,
 	sg_init_table(vblk->sg, VIRTIO_MAX_SG);
 	sg_set_buf(&vblk->sg[0], &vbr->out_hdr, sizeof(vbr->out_hdr));
 	num = blk_rq_map_sg(q, vbr->req, vblk->sg+1);
-	sg_set_buf(&vblk->sg[num+1], &vbr->status, sizeof(vbr->status));
+	sg_set_buf(&vblk->sg[num+1], &vbr->in_hdr, sizeof(vbr->in_hdr));
 
 	if (rq_data_dir(vbr->req) == WRITE) {
 		vbr->out_hdr.type |= VIRTIO_BLK_T_OUT;
@@ -157,25 +157,10 @@ static int virtblk_ioctl(struct inode *inode, struct file *filp,
 /* We provide getgeo only to please some old bootloader/partitioning tools */
 static int virtblk_getgeo(struct block_device *bd, struct hd_geometry *geo)
 {
-	struct virtio_blk *vblk = bd->bd_disk->private_data;
-	struct virtio_blk_geometry vgeo;
-	int err;
-
-	/* see if the host passed in geometry config */
-	err = virtio_config_val(vblk->vdev, VIRTIO_BLK_F_GEOMETRY,
-				offsetof(struct virtio_blk_config, geometry),
-				&vgeo);
-
-	if (!err) {
-		geo->heads = vgeo.heads;
-		geo->sectors = vgeo.sectors;
-		geo->cylinders = vgeo.cylinders;
-	} else {
-		/* some standard values, similar to sd */
-		geo->heads = 1 << 6;
-		geo->sectors = 1 << 5;
-		geo->cylinders = get_capacity(bd->bd_disk) >> 11;
-	}
+	/* some standard values, similar to sd */
+	geo->heads = 1 << 6;
+	geo->sectors = 1 << 5;
+	geo->cylinders = get_capacity(bd->bd_disk) >> 11;
 	return 0;
 }
 
@@ -257,12 +242,12 @@ static int virtblk_probe(struct virtio_device *vdev)
 	index++;
 
 	/* If barriers are supported, tell block layer that queue is ordered */
-	if (virtio_has_feature(vdev, VIRTIO_BLK_F_BARRIER))
+	if (vdev->config->feature(vdev, VIRTIO_BLK_F_BARRIER))
 		blk_queue_ordered(vblk->disk->queue, QUEUE_ORDERED_TAG, NULL);
 
 	/* Host must always specify the capacity. */
-	vdev->config->get(vdev, offsetof(struct virtio_blk_config, capacity),
-			  &cap, sizeof(cap));
+	__virtio_config_val(vdev, offsetof(struct virtio_blk_config, capacity),
+			    &cap);
 
 	/* If capacity is too big, truncate with warning. */
 	if ((sector_t)cap != cap) {
@@ -304,6 +289,7 @@ static int virtblk_probe(struct virtio_device *vdev)
 static void virtblk_remove(struct virtio_device *vdev)
 {
 	struct virtio_blk *vblk = vdev->priv;
+	int major = vblk->disk->major;
 
 	/* Nothing should be pending. */
 	BUG_ON(!list_empty(&vblk->reqs));
@@ -313,6 +299,7 @@ static void virtblk_remove(struct virtio_device *vdev)
 
 	blk_cleanup_queue(vblk->disk->queue);
 	put_disk(vblk->disk);
+	unregister_blkdev(major, "virtblk");
 	mempool_destroy(vblk->pool);
 	vdev->config->del_vq(vblk->vq);
 	kfree(vblk);
@@ -323,14 +310,7 @@ static struct virtio_device_id id_table[] = {
 	{ 0 },
 };
 
-static unsigned int features[] = {
-	VIRTIO_BLK_F_BARRIER, VIRTIO_BLK_F_SEG_MAX, VIRTIO_BLK_F_SIZE_MAX,
-	VIRTIO_BLK_F_GEOMETRY,
-};
-
 static struct virtio_driver virtio_blk = {
-	.feature_table = features,
-	.feature_table_size = ARRAY_SIZE(features),
 	.driver.name =	KBUILD_MODNAME,
 	.driver.owner =	THIS_MODULE,
 	.id_table =	id_table,
diff --git a/trunk/drivers/lguest/lguest_device.c b/trunk/drivers/lguest/lguest_device.c
index 8080249957af..2bc9bf7e88e5 100644
--- a/trunk/drivers/lguest/lguest_device.c
+++ b/trunk/drivers/lguest/lguest_device.c
@@ -85,34 +85,27 @@ static unsigned desc_size(const struct lguest_device_desc *desc)
 		+ desc->config_len;
 }
 
-/* This gets the device's feature bits. */
-static u32 lg_get_features(struct virtio_device *vdev)
+/* This tests (and acknowleges) a feature bit. */
+static bool lg_feature(struct virtio_device *vdev, unsigned fbit)
 {
-	unsigned int i;
-	u32 features = 0;
 	struct lguest_device_desc *desc = to_lgdev(vdev)->desc;
-	u8 *in_features = lg_features(desc);
-
-	/* We do this the slow but generic way. */
-	for (i = 0; i < min(desc->feature_len * 8, 32); i++)
-		if (in_features[i / 8] & (1 << (i % 8)))
-			features |= (1 << i);
-
-	return features;
-}
-
-static void lg_set_features(struct virtio_device *vdev, u32 features)
-{
-	unsigned int i;
-	struct lguest_device_desc *desc = to_lgdev(vdev)->desc;
-	/* Second half of bitmap is features we accept. */
-	u8 *out_features = lg_features(desc) + desc->feature_len;
-
-	memset(out_features, 0, desc->feature_len);
-	for (i = 0; i < min(desc->feature_len * 8, 32); i++) {
-		if (features & (1 << i))
-			out_features[i / 8] |= (1 << (i % 8));
-	}
+	u8 *features;
+
+	/* Obviously if they ask for a feature off the end of our feature
+	 * bitmap, it's not set. */
+	if (fbit / 8 > desc->feature_len)
+		return false;
+
+	/* The feature bitmap comes after the virtqueues. */
+	features = lg_features(desc);
+	if (!(features[fbit / 8] & (1 << (fbit % 8))))
+		return false;
+
+	/* We set the matching bit in the other half of the bitmap to tell the
+	 * Host we want to use this feature.  We don't use this yet, but we
+	 * could in future. */
+	features[desc->feature_len + fbit / 8] |= (1 << (fbit % 8));
+	return true;
 }
 
 /* Once they've found a field, getting a copy of it is easy. */
@@ -144,26 +137,20 @@ static u8 lg_get_status(struct virtio_device *vdev)
 	return to_lgdev(vdev)->desc->status;
 }
 
-/* To notify on status updates, we (ab)use the NOTIFY hypercall, with the
- * descriptor address of the device.  A zero status means "reset". */
-static void set_status(struct virtio_device *vdev, u8 status)
-{
-	unsigned long offset = (void *)to_lgdev(vdev)->desc - lguest_devices;
-
-	/* We set the status. */
-	to_lgdev(vdev)->desc->status = status;
-	hcall(LHCALL_NOTIFY, (max_pfn<<PAGE_SHIFT) + offset, 0, 0);
-}
-
 static void lg_set_status(struct virtio_device *vdev, u8 status)
 {
 	BUG_ON(!status);
-	set_status(vdev, status);
+	to_lgdev(vdev)->desc->status = status;
 }
 
+/* To reset the device, we (ab)use the NOTIFY hypercall, with the descriptor
+ * address of the device.  The Host will zero the status and all the
+ * features. */
 static void lg_reset(struct virtio_device *vdev)
 {
-	set_status(vdev, 0);
+	unsigned long offset = (void *)to_lgdev(vdev)->desc - lguest_devices;
+
+	hcall(LHCALL_NOTIFY, (max_pfn<<PAGE_SHIFT) + offset, 0, 0);
 }
 
 /*
@@ -299,8 +286,7 @@ static void lg_del_vq(struct virtqueue *vq)
 
 /* The ops structure which hooks everything together. */
 static struct virtio_config_ops lguest_config_ops = {
-	.get_features = lg_get_features,
-	.set_features = lg_set_features,
+	.feature = lg_feature,
 	.get = lg_get,
 	.set = lg_set,
 	.get_status = lg_get_status,
diff --git a/trunk/drivers/lguest/lguest_user.c b/trunk/drivers/lguest/lguest_user.c
index e73a000473cc..645e6e040bfb 100644
--- a/trunk/drivers/lguest/lguest_user.c
+++ b/trunk/drivers/lguest/lguest_user.c
@@ -102,7 +102,7 @@ static ssize_t read(struct file *file, char __user *user, size_t size,loff_t*o)
 static int lg_cpu_start(struct lg_cpu *cpu, unsigned id, unsigned long start_ip)
 {
 	/* We have a limited number the number of CPUs in the lguest struct. */
-	if (id >= ARRAY_SIZE(cpu->lg->cpus))
+	if (id >= NR_CPUS)
 		return -EINVAL;
 
 	/* Set up this CPU's id, and pointer back to the lguest struct. */
@@ -251,6 +251,8 @@ static ssize_t write(struct file *file, const char __user *in,
 		if (!lg || (cpu_id >= lg->nr_cpus))
 			return -EINVAL;
 		cpu = &lg->cpus[cpu_id];
+		if (!cpu)
+			return -EINVAL;
 
 		/* Once the Guest is dead, you can only read() why it died. */
 		if (lg->dead)
diff --git a/trunk/drivers/net/virtio_net.c b/trunk/drivers/net/virtio_net.c
index f926b5ab3d09..555b70c8b863 100644
--- a/trunk/drivers/net/virtio_net.c
+++ b/trunk/drivers/net/virtio_net.c
@@ -41,9 +41,6 @@ struct virtnet_info
 	struct net_device *dev;
 	struct napi_struct napi;
 
-	/* The skb we couldn't send because buffers were full. */
-	struct sk_buff *last_xmit_skb;
-
 	/* Number of input buffers, and max we've ever had. */
 	unsigned int num, max;
 
@@ -145,10 +142,10 @@ static void receive_skb(struct net_device *dev, struct sk_buff *skb,
 static void try_fill_recv(struct virtnet_info *vi)
 {
 	struct sk_buff *skb;
-	struct scatterlist sg[2+MAX_SKB_FRAGS];
+	struct scatterlist sg[1+MAX_SKB_FRAGS];
 	int num, err;
 
-	sg_init_table(sg, 2+MAX_SKB_FRAGS);
+	sg_init_table(sg, 1+MAX_SKB_FRAGS);
 	for (;;) {
 		skb = netdev_alloc_skb(vi->dev, MAX_PACKET_LEN);
 		if (unlikely(!skb))
@@ -224,22 +221,23 @@ static void free_old_xmit_skbs(struct virtnet_info *vi)
 	while ((skb = vi->svq->vq_ops->get_buf(vi->svq, &len)) != NULL) {
 		pr_debug("Sent skb %p\n", skb);
 		__skb_unlink(skb, &vi->send);
-		vi->dev->stats.tx_bytes += skb->len;
+		vi->dev->stats.tx_bytes += len;
 		vi->dev->stats.tx_packets++;
 		kfree_skb(skb);
 	}
 }
 
-static int xmit_skb(struct virtnet_info *vi, struct sk_buff *skb)
+static int start_xmit(struct sk_buff *skb, struct net_device *dev)
 {
-	int num;
-	struct scatterlist sg[2+MAX_SKB_FRAGS];
+	struct virtnet_info *vi = netdev_priv(dev);
+	int num, err;
+	struct scatterlist sg[1+MAX_SKB_FRAGS];
 	struct virtio_net_hdr *hdr;
 	const unsigned char *dest = ((struct ethhdr *)skb->data)->h_dest;
 
-	sg_init_table(sg, 2+MAX_SKB_FRAGS);
+	sg_init_table(sg, 1+MAX_SKB_FRAGS);
 
-	pr_debug("%s: xmit %p " MAC_FMT "\n", vi->dev->name, skb,
+	pr_debug("%s: xmit %p " MAC_FMT "\n", dev->name, skb,
 		 dest[0], dest[1], dest[2],
 		 dest[3], dest[4], dest[5]);
 
@@ -274,51 +272,30 @@ static int xmit_skb(struct virtnet_info *vi, struct sk_buff *skb)
 
 	vnet_hdr_to_sg(sg, skb);
 	num = skb_to_sgvec(skb, sg+1, 0, skb->len) + 1;
-
-	return vi->svq->vq_ops->add_buf(vi->svq, sg, num, 0, skb);
-}
-
-static int start_xmit(struct sk_buff *skb, struct net_device *dev)
-{
-	struct virtnet_info *vi = netdev_priv(dev);
+	__skb_queue_head(&vi->send, skb);
 
 again:
 	/* Free up any pending old buffers before queueing new ones. */
 	free_old_xmit_skbs(vi);
-
-	/* If we has a buffer left over from last time, send it now. */
-	if (vi->last_xmit_skb) {
-		if (xmit_skb(vi, vi->last_xmit_skb) != 0) {
-			/* Drop this skb: we only queue one. */
-			vi->dev->stats.tx_dropped++;
-			kfree_skb(skb);
-			goto stop_queue;
+	err = vi->svq->vq_ops->add_buf(vi->svq, sg, num, 0, skb);
+	if (err) {
+		pr_debug("%s: virtio not prepared to send\n", dev->name);
+		netif_stop_queue(dev);
+
+		/* Activate callback for using skbs: if this returns false it
+		 * means some were used in the meantime. */
+		if (unlikely(!vi->svq->vq_ops->enable_cb(vi->svq))) {
+			vi->svq->vq_ops->disable_cb(vi->svq);
+			netif_start_queue(dev);
+			goto again;
 		}
-		vi->last_xmit_skb = NULL;
-	}
+		__skb_unlink(skb, &vi->send);
 
-	/* Put new one in send queue and do transmit */
-	__skb_queue_head(&vi->send, skb);
-	if (xmit_skb(vi, skb) != 0) {
-		vi->last_xmit_skb = skb;
-		goto stop_queue;
+		return NETDEV_TX_BUSY;
 	}
-done:
 	vi->svq->vq_ops->kick(vi->svq);
-	return NETDEV_TX_OK;
-
-stop_queue:
-	pr_debug("%s: virtio not prepared to send\n", dev->name);
-	netif_stop_queue(dev);
-
-	/* Activate callback for using skbs: if this returns false it
-	 * means some were used in the meantime. */
-	if (unlikely(!vi->svq->vq_ops->enable_cb(vi->svq))) {
-		vi->svq->vq_ops->disable_cb(vi->svq);
-		netif_start_queue(dev);
-		goto again;
-	}
-	goto done;
+
+	return 0;
 }
 
 #ifdef CONFIG_NET_POLL_CONTROLLER
@@ -378,26 +355,17 @@ static int virtnet_probe(struct virtio_device *vdev)
 	SET_NETDEV_DEV(dev, &vdev->dev);
 
 	/* Do we support "hardware" checksums? */
-	if (csum && virtio_has_feature(vdev, VIRTIO_NET_F_CSUM)) {
+	if (csum && vdev->config->feature(vdev, VIRTIO_NET_F_CSUM)) {
 		/* This opens up the world of extra features. */
 		dev->features |= NETIF_F_HW_CSUM|NETIF_F_SG|NETIF_F_FRAGLIST;
-		if (gso && virtio_has_feature(vdev, VIRTIO_NET_F_GSO)) {
+		if (gso && vdev->config->feature(vdev, VIRTIO_NET_F_GSO)) {
 			dev->features |= NETIF_F_TSO | NETIF_F_UFO
 				| NETIF_F_TSO_ECN | NETIF_F_TSO6;
 		}
-		/* Individual feature bits: what can host handle? */
-		if (gso && virtio_has_feature(vdev, VIRTIO_NET_F_HOST_TSO4))
-			dev->features |= NETIF_F_TSO;
-		if (gso && virtio_has_feature(vdev, VIRTIO_NET_F_HOST_TSO6))
-			dev->features |= NETIF_F_TSO6;
-		if (gso && virtio_has_feature(vdev, VIRTIO_NET_F_HOST_ECN))
-			dev->features |= NETIF_F_TSO_ECN;
-		if (gso && virtio_has_feature(vdev, VIRTIO_NET_F_HOST_UFO))
-			dev->features |= NETIF_F_UFO;
 	}
 
 	/* Configuration may specify what MAC to use.  Otherwise random. */
-	if (virtio_has_feature(vdev, VIRTIO_NET_F_MAC)) {
+	if (vdev->config->feature(vdev, VIRTIO_NET_F_MAC)) {
 		vdev->config->get(vdev,
 				  offsetof(struct virtio_net_config, mac),
 				  dev->dev_addr, dev->addr_len);
@@ -486,15 +454,7 @@ static struct virtio_device_id id_table[] = {
 	{ 0 },
 };
 
-static unsigned int features[] = {
-	VIRTIO_NET_F_CSUM, VIRTIO_NET_F_GSO, VIRTIO_NET_F_MAC,
-	VIRTIO_NET_F_HOST_TSO4, VIRTIO_NET_F_HOST_UFO, VIRTIO_NET_F_HOST_TSO6,
-	VIRTIO_NET_F_HOST_ECN,
-};
-
 static struct virtio_driver virtio_net = {
-	.feature_table = features,
-	.feature_table_size = ARRAY_SIZE(features),
 	.driver.name =	KBUILD_MODNAME,
 	.driver.owner =	THIS_MODULE,
 	.id_table =	id_table,
diff --git a/trunk/drivers/virtio/virtio.c b/trunk/drivers/virtio/virtio.c
index 13866789b356..b535483bc556 100644
--- a/trunk/drivers/virtio/virtio.c
+++ b/trunk/drivers/virtio/virtio.c
@@ -80,51 +80,19 @@ static void add_status(struct virtio_device *dev, unsigned status)
 	dev->config->set_status(dev, dev->config->get_status(dev) | status);
 }
 
-void virtio_check_driver_offered_feature(const struct virtio_device *vdev,
-					 unsigned int fbit)
-{
-	unsigned int i;
-	struct virtio_driver *drv = container_of(vdev->dev.driver,
-						 struct virtio_driver, driver);
-
-	for (i = 0; i < drv->feature_table_size; i++)
-		if (drv->feature_table[i] == fbit)
-			return;
-	BUG();
-}
-EXPORT_SYMBOL_GPL(virtio_check_driver_offered_feature);
-
 static int virtio_dev_probe(struct device *_d)
 {
-	int err, i;
+	int err;
 	struct virtio_device *dev = container_of(_d,struct virtio_device,dev);
 	struct virtio_driver *drv = container_of(dev->dev.driver,
 						 struct virtio_driver, driver);
-	u32 device_features;
 
-	/* We have a driver! */
 	add_status(dev, VIRTIO_CONFIG_S_DRIVER);
-
-	/* Figure out what features the device supports. */
-	device_features = dev->config->get_features(dev);
-
-	/* Features supported by both device and driver into dev->features. */
-	memset(dev->features, 0, sizeof(dev->features));
-	for (i = 0; i < drv->feature_table_size; i++) {
-		unsigned int f = drv->feature_table[i];
-		BUG_ON(f >= 32);
-		if (device_features & (1 << f))
-			set_bit(f, dev->features);
-	}
-
 	err = drv->probe(dev);
 	if (err)
 		add_status(dev, VIRTIO_CONFIG_S_FAILED);
-	else {
+	else
 		add_status(dev, VIRTIO_CONFIG_S_DRIVER_OK);
-		/* They should never have set feature bits beyond 32 */
-		dev->config->set_features(dev, dev->features[0]);
-	}
 	return err;
 }
 
@@ -146,8 +114,6 @@ static int virtio_dev_remove(struct device *_d)
 
 int register_virtio_driver(struct virtio_driver *driver)
 {
-	/* Catch this early. */
-	BUG_ON(driver->feature_table_size && !driver->feature_table);
 	driver->driver.bus = &virtio_bus;
 	driver->driver.probe = virtio_dev_probe;
 	driver->driver.remove = virtio_dev_remove;
diff --git a/trunk/drivers/virtio/virtio_balloon.c b/trunk/drivers/virtio/virtio_balloon.c
index bfef604160d1..0b3efc31ee6d 100644
--- a/trunk/drivers/virtio/virtio_balloon.c
+++ b/trunk/drivers/virtio/virtio_balloon.c
@@ -155,9 +155,9 @@ static void virtballoon_changed(struct virtio_device *vdev)
 static inline s64 towards_target(struct virtio_balloon *vb)
 {
 	u32 v;
-	vb->vdev->config->get(vb->vdev,
-			      offsetof(struct virtio_balloon_config, num_pages),
-			      &v, sizeof(v));
+	__virtio_config_val(vb->vdev,
+			    offsetof(struct virtio_balloon_config, num_pages),
+			    &v);
 	return v - vb->num_pages;
 }
 
@@ -227,7 +227,7 @@ static int virtballoon_probe(struct virtio_device *vdev)
 	}
 
 	vb->tell_host_first
-		= virtio_has_feature(vdev, VIRTIO_BALLOON_F_MUST_TELL_HOST);
+		= vdev->config->feature(vdev, VIRTIO_BALLOON_F_MUST_TELL_HOST);
 
 	return 0;
 
@@ -259,11 +259,7 @@ static void virtballoon_remove(struct virtio_device *vdev)
 	kfree(vb);
 }
 
-static unsigned int features[] = { VIRTIO_BALLOON_F_MUST_TELL_HOST };
-
 static struct virtio_driver virtio_balloon = {
-	.feature_table = features,
-	.feature_table_size = ARRAY_SIZE(features),
 	.driver.name =	KBUILD_MODNAME,
 	.driver.owner =	THIS_MODULE,
 	.id_table =	id_table,
diff --git a/trunk/drivers/virtio/virtio_pci.c b/trunk/drivers/virtio/virtio_pci.c
index 27e9fc9117cd..c0df924766a7 100644
--- a/trunk/drivers/virtio/virtio_pci.c
+++ b/trunk/drivers/virtio/virtio_pci.c
@@ -87,22 +87,23 @@ static struct virtio_pci_device *to_vp_device(struct virtio_device *vdev)
 	return container_of(vdev, struct virtio_pci_device, vdev);
 }
 
-/* virtio config->get_features() implementation */
-static u32 vp_get_features(struct virtio_device *vdev)
-{
-	struct virtio_pci_device *vp_dev = to_vp_device(vdev);
-
-	/* When someone needs more than 32 feature bits, we'll need to
-	 * steal a bit to indicate that the rest are somewhere else. */
-	return ioread32(vp_dev->ioaddr + VIRTIO_PCI_HOST_FEATURES);
-}
-
-/* virtio config->set_features() implementation */
-static void vp_set_features(struct virtio_device *vdev, u32 features)
+/* virtio config->feature() implementation */
+static bool vp_feature(struct virtio_device *vdev, unsigned bit)
 {
 	struct virtio_pci_device *vp_dev = to_vp_device(vdev);
+	u32 mask;
+
+	/* Since this function is supposed to have the side effect of
+	 * enabling a queried feature, we simulate that by doing a read
+	 * from the host feature bitmask and then writing to the guest
+	 * feature bitmask */
+	mask = ioread32(vp_dev->ioaddr + VIRTIO_PCI_HOST_FEATURES);
+	if (mask & (1 << bit)) {
+		mask |= (1 << bit);
+		iowrite32(mask, vp_dev->ioaddr + VIRTIO_PCI_GUEST_FEATURES);
+	}
 
-	iowrite32(features, vp_dev->ioaddr + VIRTIO_PCI_GUEST_FEATURES);
+	return !!(mask & (1 << bit));
 }
 
 /* virtio config->get() implementation */
@@ -144,14 +145,14 @@ static void vp_set_status(struct virtio_device *vdev, u8 status)
 	struct virtio_pci_device *vp_dev = to_vp_device(vdev);
 	/* We should never be setting status to 0. */
 	BUG_ON(status == 0);
-	iowrite8(status, vp_dev->ioaddr + VIRTIO_PCI_STATUS);
+	return iowrite8(status, vp_dev->ioaddr + VIRTIO_PCI_STATUS);
 }
 
 static void vp_reset(struct virtio_device *vdev)
 {
 	struct virtio_pci_device *vp_dev = to_vp_device(vdev);
 	/* 0 status means a reset. */
-	iowrite8(0, vp_dev->ioaddr + VIRTIO_PCI_STATUS);
+	return iowrite8(0, vp_dev->ioaddr + VIRTIO_PCI_STATUS);
 }
 
 /* the notify function used when creating a virt queue */
@@ -292,6 +293,7 @@ static void vp_del_vq(struct virtqueue *vq)
 }
 
 static struct virtio_config_ops virtio_pci_config_ops = {
+	.feature	= vp_feature,
 	.get		= vp_get,
 	.set		= vp_set,
 	.get_status	= vp_get_status,
@@ -299,8 +301,6 @@ static struct virtio_config_ops virtio_pci_config_ops = {
 	.reset		= vp_reset,
 	.find_vq	= vp_find_vq,
 	.del_vq		= vp_del_vq,
-	.get_features	= vp_get_features,
-	.set_features	= vp_set_features,
 };
 
 /* the PCI probing function */
diff --git a/trunk/drivers/virtio/virtio_ring.c b/trunk/drivers/virtio/virtio_ring.c
index 937a49d6772c..c2fa5c630813 100644
--- a/trunk/drivers/virtio/virtio_ring.c
+++ b/trunk/drivers/virtio/virtio_ring.c
@@ -184,11 +184,6 @@ static void *vring_get_buf(struct virtqueue *_vq, unsigned int *len)
 
 	START_USE(vq);
 
-	if (unlikely(vq->broken)) {
-		END_USE(vq);
-		return NULL;
-	}
-
 	if (!more_used(vq)) {
 		pr_debug("No more buffers in queue\n");
 		END_USE(vq);
diff --git a/trunk/include/asm-ia64/cpu.h b/trunk/include/asm-ia64/cpu.h
index fcca30b9f110..e87fa3210a2b 100644
--- a/trunk/include/asm-ia64/cpu.h
+++ b/trunk/include/asm-ia64/cpu.h
@@ -14,8 +14,8 @@ DECLARE_PER_CPU(struct ia64_cpu, cpu_devices);
 
 DECLARE_PER_CPU(int, cpu_state);
 
-#ifdef CONFIG_HOTPLUG_CPU
 extern int arch_register_cpu(int num);
+#ifdef CONFIG_HOTPLUG_CPU
 extern void arch_unregister_cpu(int);
 #endif
 
diff --git a/trunk/include/asm-ia64/thread_info.h b/trunk/include/asm-ia64/thread_info.h
index 2422ac61658a..f30e05583869 100644
--- a/trunk/include/asm-ia64/thread_info.h
+++ b/trunk/include/asm-ia64/thread_info.h
@@ -108,11 +108,13 @@ extern void tsk_clear_notify_resume(struct task_struct *tsk);
 #define TIF_DB_DISABLED		19	/* debug trap disabled for fsyscall */
 #define TIF_FREEZE		20	/* is freezing for suspend */
 #define TIF_RESTORE_RSE		21	/* user RBS is newer than kernel RBS */
+#define TIF_RESTORE_SIGMASK	22	/* restore signal mask in do_signal() */
 
 #define _TIF_SYSCALL_TRACE	(1 << TIF_SYSCALL_TRACE)
 #define _TIF_SYSCALL_AUDIT	(1 << TIF_SYSCALL_AUDIT)
 #define _TIF_SINGLESTEP		(1 << TIF_SINGLESTEP)
 #define _TIF_SYSCALL_TRACEAUDIT	(_TIF_SYSCALL_TRACE|_TIF_SYSCALL_AUDIT|_TIF_SINGLESTEP)
+#define _TIF_RESTORE_SIGMASK	(1 << TIF_RESTORE_SIGMASK)
 #define _TIF_NOTIFY_RESUME	(1 << TIF_NOTIFY_RESUME)
 #define _TIF_SIGPENDING		(1 << TIF_SIGPENDING)
 #define _TIF_NEED_RESCHED	(1 << TIF_NEED_RESCHED)
@@ -129,18 +131,7 @@ extern void tsk_clear_notify_resume(struct task_struct *tsk);
 #define TIF_WORK_MASK		(TIF_ALLWORK_MASK&~(_TIF_SYSCALL_TRACE|_TIF_SYSCALL_AUDIT))
 
 #define TS_POLLING		1 	/* true if in idle loop and not sleeping */
-#define TS_RESTORE_SIGMASK	2	/* restore signal mask in do_signal() */
 
 #define tsk_is_polling(t) (task_thread_info(t)->status & TS_POLLING)
 
-#ifndef __ASSEMBLY__
-#define HAVE_SET_RESTORE_SIGMASK	1
-static inline void set_restore_sigmask(void)
-{
-	struct thread_info *ti = current_thread_info();
-	ti->status |= TS_RESTORE_SIGMASK;
-	set_bit(TIF_SIGPENDING, &ti->flags);
-}
-#endif	/* !__ASSEMBLY__ */
-
 #endif /* _ASM_IA64_THREAD_INFO_H */
diff --git a/trunk/include/linux/Kbuild b/trunk/include/linux/Kbuild
index b7d81b2a9041..78fade0a1e35 100644
--- a/trunk/include/linux/Kbuild
+++ b/trunk/include/linux/Kbuild
@@ -346,11 +346,6 @@ unifdef-y += videodev.h
 unifdef-y += virtio_config.h
 unifdef-y += virtio_blk.h
 unifdef-y += virtio_net.h
-unifdef-y += virtio_9p.h
-unifdef-y += virtio_balloon.h
-unifdef-y += virtio_console.h
-unifdef-y += virtio_pci.h
-unifdef-y += virtio_ring.h
 unifdef-y += vt.h
 unifdef-y += wait.h
 unifdef-y += wanrouter.h
diff --git a/trunk/include/linux/device.h b/trunk/include/linux/device.h
index 832fb0eb2933..8c23e3dfe3ac 100644
--- a/trunk/include/linux/device.h
+++ b/trunk/include/linux/device.h
@@ -380,6 +380,12 @@ struct device {
 /* Get the wakeup routines, which depend on struct device */
 #include <linux/pm_wakeup.h>
 
+static inline const char *dev_name(struct device *dev)
+{
+	/* will be changed into kobject_name(&dev->kobj) in the near future */
+	return dev->bus_id;
+}
+
 #ifdef CONFIG_NUMA
 static inline int dev_to_node(struct device *dev)
 {
@@ -478,7 +484,7 @@ extern void sysdev_shutdown(void);
 extern const char *dev_driver_string(struct device *dev);
 #define dev_printk(level, dev, format, arg...)	\
 	printk(level "%s %s: " format , dev_driver_string(dev) , \
-	       (dev)->bus_id , ## arg)
+	       dev_name(dev) , ## arg)
 
 #define dev_emerg(dev, format, arg...)		\
 	dev_printk(KERN_EMERG , dev , format , ## arg)
diff --git a/trunk/include/linux/irq.h b/trunk/include/linux/irq.h
index 552e0ec269c9..1883a85625dd 100644
--- a/trunk/include/linux/irq.h
+++ b/trunk/include/linux/irq.h
@@ -61,7 +61,6 @@ typedef	void (*irq_flow_handler_t)(unsigned int irq,
 #define IRQ_WAKEUP		0x00100000	/* IRQ triggers system wakeup */
 #define IRQ_MOVE_PENDING	0x00200000	/* need to re-target IRQ destination */
 #define IRQ_NO_BALANCING	0x00400000	/* IRQ is excluded from balancing */
-#define IRQ_SPURIOUS_DISABLED	0x00800000	/* IRQ was disabled by the spurious trap */
 
 #ifdef CONFIG_IRQ_PER_CPU
 # define CHECK_IRQ_PER_CPU(var) ((var) & IRQ_PER_CPU)
diff --git a/trunk/include/linux/virtio.h b/trunk/include/linux/virtio.h
index 06005fa9e982..e7d10845b3c1 100644
--- a/trunk/include/linux/virtio.h
+++ b/trunk/include/linux/virtio.h
@@ -76,7 +76,6 @@ struct virtqueue_ops {
  * @dev: underlying device.
  * @id: the device type identification (used to match it with a driver).
  * @config: the configuration ops for this device.
- * @features: the features supported by both driver and device.
  * @priv: private pointer for the driver's use.
  */
 struct virtio_device
@@ -85,8 +84,6 @@ struct virtio_device
 	struct device dev;
 	struct virtio_device_id id;
 	struct virtio_config_ops *config;
-	/* Note that this is a Linux set_bit-style bitmap. */
-	unsigned long features[1];
 	void *priv;
 };
 
@@ -97,8 +94,6 @@ void unregister_virtio_device(struct virtio_device *dev);
  * virtio_driver - operations for a virtio I/O driver
  * @driver: underlying device driver (populate name and owner).
  * @id_table: the ids serviced by this driver.
- * @feature_table: an array of feature numbers supported by this device.
- * @feature_table_size: number of entries in the feature table array.
  * @probe: the function to call when a device is found.  Returns a token for
  *    remove, or PTR_ERR().
  * @remove: the function when a device is removed.
@@ -108,8 +103,6 @@ void unregister_virtio_device(struct virtio_device *dev);
 struct virtio_driver {
 	struct device_driver driver;
 	const struct virtio_device_id *id_table;
-	const unsigned int *feature_table;
-	unsigned int feature_table_size;
 	int (*probe)(struct virtio_device *dev);
 	void (*remove)(struct virtio_device *dev);
 	void (*config_changed)(struct virtio_device *dev);
diff --git a/trunk/include/linux/virtio_blk.h b/trunk/include/linux/virtio_blk.h
index d4695a3356d0..bca0b10d7947 100644
--- a/trunk/include/linux/virtio_blk.h
+++ b/trunk/include/linux/virtio_blk.h
@@ -9,7 +9,6 @@
 #define VIRTIO_BLK_F_BARRIER	0	/* Does host support barriers? */
 #define VIRTIO_BLK_F_SIZE_MAX	1	/* Indicates maximum segment size */
 #define VIRTIO_BLK_F_SEG_MAX	2	/* Indicates maximum # of segments */
-#define VIRTIO_BLK_F_GEOMETRY	4	/* Legacy geometry available  */
 
 struct virtio_blk_config
 {
@@ -19,12 +18,6 @@ struct virtio_blk_config
 	__le32 size_max;
 	/* The maximum number of segments (if VIRTIO_BLK_F_SEG_MAX) */
 	__le32 seg_max;
-	/* geometry the device (if VIRTIO_BLK_F_GEOMETRY) */
-	struct virtio_blk_geometry {
-		__le16 cylinders;
-		__u8 heads;
-		__u8 sectors;
-	} geometry;
 } __attribute__((packed));
 
 /* These two define direction. */
@@ -48,8 +41,13 @@ struct virtio_blk_outhdr
 	__u64 sector;
 };
 
-/* And this is the final byte of the write scatter-gather list. */
 #define VIRTIO_BLK_S_OK		0
 #define VIRTIO_BLK_S_IOERR	1
 #define VIRTIO_BLK_S_UNSUPP	2
+
+/* This is the first element of the write scatter-gather list */
+struct virtio_blk_inhdr
+{
+	unsigned char status;
+};
 #endif /* _LINUX_VIRTIO_BLK_H */
diff --git a/trunk/include/linux/virtio_config.h b/trunk/include/linux/virtio_config.h
index 50db245c81ad..d581b2914b34 100644
--- a/trunk/include/linux/virtio_config.h
+++ b/trunk/include/linux/virtio_config.h
@@ -16,20 +16,27 @@
 #define VIRTIO_CONFIG_S_FAILED		0x80
 
 #ifdef __KERNEL__
-#include <linux/virtio.h>
+struct virtio_device;
 
 /**
  * virtio_config_ops - operations for configuring a virtio device
+ * @feature: search for a feature in this config
+ *	vdev: the virtio_device
+ *	bit: the feature bit
+ *	Returns true if the feature is supported.  Acknowledges the feature
+ *	so the host can see it.
  * @get: read the value of a configuration field
  *	vdev: the virtio_device
  *	offset: the offset of the configuration field
  *	buf: the buffer to write the field value into.
  *	len: the length of the buffer
+ *	Note that contents are conventionally little-endian.
  * @set: write the value of a configuration field
  *	vdev: the virtio_device
  *	offset: the offset of the configuration field
  *	buf: the buffer to read the field value from.
  *	len: the length of the buffer
+ *	Note that contents are conventionally little-endian.
  * @get_status: read the status byte
  *	vdev: the virtio_device
  *	Returns the status byte
@@ -45,15 +52,10 @@
  *	callback: the virqtueue callback
  *	Returns the new virtqueue or ERR_PTR() (eg. -ENOENT).
  * @del_vq: free a virtqueue found by find_vq().
- * @get_features: get the array of feature bits for this device.
- *	vdev: the virtio_device
- *	Returns the first 32 feature bits (all we currently need).
- * @set_features: confirm what device features we'll be using.
- *	vdev: the virtio_device
- *	feature: the first 32 feature bits
  */
 struct virtio_config_ops
 {
+	bool (*feature)(struct virtio_device *vdev, unsigned bit);
 	void (*get)(struct virtio_device *vdev, unsigned offset,
 		    void *buf, unsigned len);
 	void (*set)(struct virtio_device *vdev, unsigned offset,
@@ -65,52 +67,43 @@ struct virtio_config_ops
 				     unsigned index,
 				     void (*callback)(struct virtqueue *));
 	void (*del_vq)(struct virtqueue *vq);
-	u32 (*get_features)(struct virtio_device *vdev);
-	void (*set_features)(struct virtio_device *vdev, u32 features);
 };
 
-/* If driver didn't advertise the feature, it will never appear. */
-void virtio_check_driver_offered_feature(const struct virtio_device *vdev,
-					 unsigned int fbit);
-
 /**
- * virtio_has_feature - helper to determine if this device has this feature.
- * @vdev: the device
- * @fbit: the feature bit
- */
-static inline bool virtio_has_feature(const struct virtio_device *vdev,
-				      unsigned int fbit)
-{
-	/* Did you forget to fix assumptions on max features? */
-	if (__builtin_constant_p(fbit))
-		BUILD_BUG_ON(fbit >= 32);
-
-	virtio_check_driver_offered_feature(vdev, fbit);
-	return test_bit(fbit, vdev->features);
-}
-
-/**
- * virtio_config_val - look for a feature and get a virtio config entry.
+ * virtio_config_val - look for a feature and get a single virtio config.
  * @vdev: the virtio device
  * @fbit: the feature bit
  * @offset: the type to search for.
  * @val: a pointer to the value to fill in.
  *
  * The return value is -ENOENT if the feature doesn't exist.  Otherwise
- * the config value is copied into whatever is pointed to by v. */
-#define virtio_config_val(vdev, fbit, offset, v) \
-	virtio_config_buf((vdev), (fbit), (offset), (v), sizeof(v))
-
-static inline int virtio_config_buf(struct virtio_device *vdev,
-				    unsigned int fbit,
-				    unsigned int offset,
-				    void *buf, unsigned len)
-{
-	if (!virtio_has_feature(vdev, fbit))
-		return -ENOENT;
+ * the value is endian-corrected and returned in v. */
+#define virtio_config_val(vdev, fbit, offset, v) ({			\
+	int _err;							\
+	if ((vdev)->config->feature((vdev), (fbit))) {			\
+		__virtio_config_val((vdev), (offset), (v));		\
+		_err = 0;						\
+	} else								\
+		_err = -ENOENT;						\
+	_err;								\
+})
 
-	vdev->config->get(vdev, offset, buf, len);
-	return 0;
-}
+/**
+ * __virtio_config_val - get a single virtio config without feature check.
+ * @vdev: the virtio device
+ * @offset: the type to search for.
+ * @val: a pointer to the value to fill in.
+ *
+ * The value is endian-corrected and returned in v. */
+#define __virtio_config_val(vdev, offset, v) do {			\
+	BUILD_BUG_ON(sizeof(*(v)) != 1 && sizeof(*(v)) != 2		\
+		     && sizeof(*(v)) != 4 && sizeof(*(v)) != 8);	\
+	(vdev)->config->get((vdev), (offset), (v), sizeof(*(v)));	\
+	switch (sizeof(*(v))) {						\
+	case 2: le16_to_cpus((__u16 *) v); break;			\
+	case 4: le32_to_cpus((__u32 *) v); break;			\
+	case 8: le64_to_cpus((__u64 *) v); break;			\
+	}								\
+} while(0)
 #endif /* __KERNEL__ */
 #endif /* _LINUX_VIRTIO_CONFIG_H */
diff --git a/trunk/include/linux/virtio_net.h b/trunk/include/linux/virtio_net.h
index 9405aa6cdf26..1ea3351df609 100644
--- a/trunk/include/linux/virtio_net.h
+++ b/trunk/include/linux/virtio_net.h
@@ -6,18 +6,9 @@
 #define VIRTIO_ID_NET	1
 
 /* The feature bitmap for virtio net */
-#define VIRTIO_NET_F_CSUM	0	/* Host handles pkts w/ partial csum */
-#define VIRTIO_NET_F_GUEST_CSUM	1	/* Guest handles pkts w/ partial csum */
+#define VIRTIO_NET_F_CSUM	0	/* Can handle pkts w/ partial csum */
 #define VIRTIO_NET_F_MAC	5	/* Host has given MAC address. */
-#define VIRTIO_NET_F_GSO	6	/* Host handles pkts w/ any GSO type */
-#define VIRTIO_NET_F_GUEST_TSO4	7	/* Guest can handle TSOv4 in. */
-#define VIRTIO_NET_F_GUEST_TSO6	8	/* Guest can handle TSOv6 in. */
-#define VIRTIO_NET_F_GUEST_ECN	9	/* Guest can handle TSO[6] w/ ECN in. */
-#define VIRTIO_NET_F_GUEST_UFO	10	/* Guest can handle UFO in. */
-#define VIRTIO_NET_F_HOST_TSO4	11	/* Host can handle TSOv4 in. */
-#define VIRTIO_NET_F_HOST_TSO6	12	/* Host can handle TSOv6 in. */
-#define VIRTIO_NET_F_HOST_ECN	13	/* Host can handle TSO[6] w/ ECN in. */
-#define VIRTIO_NET_F_HOST_UFO	14	/* Host can handle UFO in. */
+#define VIRTIO_NET_F_GSO	6	/* Can handle pkts w/ any GSO type */
 
 struct virtio_net_config
 {
diff --git a/trunk/kernel/irq/manage.c b/trunk/kernel/irq/manage.c
index 46d6611a33bb..46e4ad1723f0 100644
--- a/trunk/kernel/irq/manage.c
+++ b/trunk/kernel/irq/manage.c
@@ -150,26 +150,6 @@ void disable_irq(unsigned int irq)
 }
 EXPORT_SYMBOL(disable_irq);
 
-static void __enable_irq(struct irq_desc *desc, unsigned int irq)
-{
-	switch (desc->depth) {
-	case 0:
-		printk(KERN_WARNING "Unbalanced enable for IRQ %d\n", irq);
-		WARN_ON(1);
-		break;
-	case 1: {
-		unsigned int status = desc->status & ~IRQ_DISABLED;
-
-		/* Prevent probing on this irq: */
-		desc->status = status | IRQ_NOPROBE;
-		check_irq_resend(desc, irq);
-		/* fall-through */
-	}
-	default:
-		desc->depth--;
-	}
-}
-
 /**
  *	enable_irq - enable handling of an irq
  *	@irq: Interrupt to enable
@@ -189,7 +169,22 @@ void enable_irq(unsigned int irq)
 		return;
 
 	spin_lock_irqsave(&desc->lock, flags);
-	__enable_irq(desc, irq);
+	switch (desc->depth) {
+	case 0:
+		printk(KERN_WARNING "Unbalanced enable for IRQ %d\n", irq);
+		WARN_ON(1);
+		break;
+	case 1: {
+		unsigned int status = desc->status & ~IRQ_DISABLED;
+
+		/* Prevent probing on this irq: */
+		desc->status = status | IRQ_NOPROBE;
+		check_irq_resend(desc, irq);
+		/* fall-through */
+	}
+	default:
+		desc->depth--;
+	}
 	spin_unlock_irqrestore(&desc->lock, flags);
 }
 EXPORT_SYMBOL(enable_irq);
@@ -370,7 +365,7 @@ int setup_irq(unsigned int irq, struct irqaction *new)
 			compat_irq_chip_set_default_handler(desc);
 
 		desc->status &= ~(IRQ_AUTODETECT | IRQ_WAITING |
-				  IRQ_INPROGRESS | IRQ_SPURIOUS_DISABLED);
+				  IRQ_INPROGRESS);
 
 		if (!(desc->status & IRQ_NOAUTOEN)) {
 			desc->depth = 0;
@@ -386,16 +381,6 @@ int setup_irq(unsigned int irq, struct irqaction *new)
 	/* Reset broken irq detection when installing new handler */
 	desc->irq_count = 0;
 	desc->irqs_unhandled = 0;
-
-	/*
-	 * Check whether we disabled the irq via the spurious handler
-	 * before. Reenable it and give it another chance.
-	 */
-	if (shared && (desc->status & IRQ_SPURIOUS_DISABLED)) {
-		desc->status &= ~IRQ_SPURIOUS_DISABLED;
-		__enable_irq(desc, irq);
-	}
-
 	spin_unlock_irqrestore(&desc->lock, flags);
 
 	new->irq = irq;
diff --git a/trunk/kernel/irq/spurious.c b/trunk/kernel/irq/spurious.c
index c66d3f10e853..088dabbf2d6a 100644
--- a/trunk/kernel/irq/spurious.c
+++ b/trunk/kernel/irq/spurious.c
@@ -209,8 +209,8 @@ void note_interrupt(unsigned int irq, struct irq_desc *desc,
 		 * Now kill the IRQ
 		 */
 		printk(KERN_EMERG "Disabling IRQ #%d\n", irq);
-		desc->status |= IRQ_DISABLED | IRQ_SPURIOUS_DISABLED;
-		desc->depth++;
+		desc->status |= IRQ_DISABLED;
+		desc->depth = 1;
 		desc->chip->disable(irq);
 	}
 	desc->irqs_unhandled = 0;