---

yaml
---
r: 182339
b: refs/heads/master
c: 61405fe
h: refs/heads/master
i:
  182337: 251ec33
  182335: bcff305
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 9c443dfdd31eddea6cbe6ee0ca469fbcc4e1dc3b
+refs/heads/master: 61405fea92c42d072d9b8bd189689f1502a838af

trunk/.gitignore

@@ -22,6 +22,7 @@
 *.lst
 *.symtypes
 *.order
+modules.builtin
 *.elf
 *.bin
 *.gz
@@ -36,6 +37,7 @@
 tags
 TAGS
 vmlinux
+vmlinuz
 System.map
 Module.markers
 Module.symvers
@@ -45,14 +47,8 @@ Module.symvers
 #
 # Generated include files
 #
-include/asm
-include/asm-*/asm-offsets.h
 include/config
-include/linux/autoconf.h
-include/linux/compile.h
 include/linux/version.h
-include/linux/utsrelease.h
-include/linux/bounds.h
 include/generated
 
 # stgit generated dirs

trunk/Documentation/ABI/testing/sysfs-bus-usb

@@ -21,25 +21,27 @@ Contact:	Alan Stern <stern@rowland.harvard.edu>
 Description:
 		Each USB device directory will contain a file named
 		power/level.  This file holds a power-level setting for
-		the device, one of "on", "auto", or "suspend".
+		the device, either "on" or "auto".
 
 		"on" means that the device is not allowed to autosuspend,
 		although normal suspends for system sleep will still
 		be honored.  "auto" means the device will autosuspend
 		and autoresume in the usual manner, according to the
-		capabilities of its driver.  "suspend" means the device
-		is forced into a suspended state and it will not autoresume
-		in response to I/O requests.  However remote-wakeup requests
-		from the device may still be enabled (the remote-wakeup
-		setting is controlled separately by the power/wakeup
-		attribute).
+		capabilities of its driver.
 
 		During normal use, devices should be left in the "auto"
-		level.  The other levels are meant for administrative uses.
+		level.  The "on" level is meant for administrative uses.
 		If you want to suspend a device immediately but leave it
 		free to wake up in response to I/O requests, you should
 		write "0" to power/autosuspend.
 
+		Device not capable of proper suspend and resume should be
+		left in the "on" level.  Although the USB spec requires
+		devices to support suspend/resume, many of them do not.
+		In fact so many don't that by default, the USB core
+		initializes all non-hub devices in the "on" level.  Some
+		drivers may change this setting when they are bound.
+
 What:		/sys/bus/usb/devices/.../power/persist
 Date:		May 2007
 KernelVersion:	2.6.23

trunk/Documentation/DocBook/mtdnand.tmpl

@@ -174,15 +174,15 @@
 		</para>
 		<programlisting>
 static struct mtd_info *board_mtd;
-static unsigned long baseaddr;
+static void __iomem *baseaddr;
 		</programlisting>
 		<para>
 			Static example
 		</para>
 		<programlisting>
 static struct mtd_info board_mtd;
 static struct nand_chip board_chip;
-static unsigned long baseaddr;
+static void __iomem *baseaddr;
 		</programlisting>
 	</sect1>
 	<sect1 id="Partition_defines">
@@ -283,8 +283,8 @@ int __init board_init (void)
 	}
 
 	/* map physical address */
-	baseaddr = (unsigned long)ioremap(CHIP_PHYSICAL_ADDRESS, 1024);
-	if(!baseaddr){
+	baseaddr = ioremap(CHIP_PHYSICAL_ADDRESS, 1024);
+	if (!baseaddr) {
 		printk("Ioremap to access NAND chip failed\n");
 		err = -EIO;
 		goto out_mtd;
@@ -316,7 +316,7 @@ int __init board_init (void)
 	goto out;
 
 out_ior:
-	iounmap((void *)baseaddr);
+	iounmap(baseaddr);
 out_mtd:
 	kfree (board_mtd);
 out:
@@ -341,7 +341,7 @@ static void __exit board_cleanup (void)
 	nand_release (board_mtd);
 
 	/* unmap physical address */
-	iounmap((void *)baseaddr);
+	iounmap(baseaddr);
 
 	/* Free the MTD device structure */
 	kfree (board_mtd);

trunk/Documentation/IO-mapping.txt

@@ -157,7 +157,7 @@ For such memory, you can do things like
 	 * access only the 640k-1MB area, so anything else
 	 * has to be remapped.
 	 */
-	char * baseptr = ioremap(0xFC000000, 1024*1024);
+	void __iomem *baseptr = ioremap(0xFC000000, 1024*1024);
 
 	/* write a 'A' to the offset 10 of the area */
 	writeb('A',baseptr+10);

trunk/Documentation/block/00-INDEX

@@ -1,7 +1,5 @@
 00-INDEX
 	- This file
-as-iosched.txt
-	- Anticipatory IO scheduler
 barrier.txt
 	- I/O Barriers
 biodoc.txt

trunk/Documentation/block/biodoc.txt

@@ -186,7 +186,7 @@ a virtual address mapping (unlike the earlier scheme of virtual address
 do not have a corresponding kernel virtual address space mapping) and
 low-memory pages.
 
-Note: Please refer to Documentation/DMA-mapping.txt for a discussion
+Note: Please refer to Documentation/PCI/PCI-DMA-mapping.txt for a discussion
 on PCI high mem DMA aspects and mapping of scatter gather lists, and support
 for 64 bit PCI.
 

trunk/Documentation/cpu-hotplug.txt

@@ -315,41 +315,26 @@ A: The following are what is required for CPU hotplug infrastructure to work
 
 Q: I need to ensure that a particular cpu is not removed when there is some
    work specific to this cpu is in progress.
-A: First switch the current thread context to preferred cpu
+A: There are two ways.  If your code can be run in interrupt context, use
+   smp_call_function_single(), otherwise use work_on_cpu().  Note that
+   work_on_cpu() is slow, and can fail due to out of memory:
 
 	int my_func_on_cpu(int cpu)
 	{
-		cpumask_t saved_mask, new_mask = CPU_MASK_NONE;
-		int curr_cpu, err = 0;
-
-		saved_mask = current->cpus_allowed;
-		cpu_set(cpu, new_mask);
-		err = set_cpus_allowed(current, new_mask);
-
-		if (err)
-			return err;
-
-		/*
-		 * If we got scheduled out just after the return from
-		 * set_cpus_allowed() before running the work, this ensures
-		 * we stay locked.
-		 */
-		curr_cpu = get_cpu();
-
-		if (curr_cpu != cpu) {
-			err = -EAGAIN;
-			goto ret;
-		} else {
-			/*
-			 * Do work : But cant sleep, since get_cpu() disables preempt
-			 */
-		}
-		ret:
-			put_cpu();
-			set_cpus_allowed(current, saved_mask);
-			return err;
-		}
-
+		int err;
+		get_online_cpus();
+		if (!cpu_online(cpu))
+			err = -EINVAL;
+		else
+#if NEEDS_BLOCKING
+			err = work_on_cpu(cpu, __my_func_on_cpu, NULL);
+#else
+			smp_call_function_single(cpu, __my_func_on_cpu, &err,
+						 true);
+#endif
+		put_online_cpus();
+		return err;
+	}
 
 Q: How do we determine how many CPUs are available for hotplug.
 A: There is no clear spec defined way from ACPI that can give us that

trunk/Documentation/dontdiff

@@ -103,6 +103,7 @@ gconf
 gen-devlist
 gen_crc32table
 gen_init_cpio
+generated
 genheaders
 genksyms
 *_gray256.c

trunk/Documentation/driver-model/driver.txt

@@ -226,5 +226,5 @@ struct driver_attribute driver_attr_debug;
 This can then be used to add and remove the attribute from the
 driver's directory using:
 
-int driver_create_file(struct device_driver *, struct driver_attribute *);
-void driver_remove_file(struct device_driver *, struct driver_attribute *);
+int driver_create_file(struct device_driver *, const struct driver_attribute *);
+void driver_remove_file(struct device_driver *, const struct driver_attribute *);