---

yaml
---
r: 71539
b: refs/heads/master
c: 8064ab4
h: refs/heads/master
i:
  71537: c18260b
  71535: afa4df9
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 26790656d7dc34206f78eeca0f4be5caede788ce
+refs/heads/master: 8064ab4da104900505f33535d230ce0da5d18341

trunk/.gitignore

@@ -26,7 +26,6 @@ vmlinux*
 !vmlinux.lds.S
 System.map
 Module.symvers
-!.gitignore
 
 #
 # Generated include files

trunk/CREDITS

@@ -665,11 +665,6 @@ D: Minor updates to SCSI types, added /proc/pid/maps protection
 S: (ask for current address)
 S: USA
 
-N: Robin Cornelius
-E: robincornelius@users.sourceforge.net
-D: Ralink rt2x00 WLAN driver
-S: Cornwall, U.K.
-
 N: Mark Corner
 E: mcorner@umich.edu
 W: http://www.eecs.umich.edu/~mcorner/
@@ -684,11 +679,6 @@ D: Kernel module SMART utilities
 S: Santa Cruz, California
 S: USA
 
-N: Luis Correia
-E: lfcorreia@users.sf.net
-D: Ralink rt2x00 WLAN driver
-S: Belas, Portugal
-
 N: Alan Cox
 W: http://www.linux.org.uk/diary/
 D: Linux Networking (0.99.10->2.0.29)
@@ -843,12 +833,6 @@ S: Lancs
 S: PR4 6AX
 S: United Kingdom
 
-N: Ivo van Doorn
-E: IvDoorn@gmail.com
-W: http://www.mendiosus.nl
-D: Ralink rt2x00 WLAN driver
-S: Haarlem, The Netherlands
-
 N: John G Dorsey
 E: john+@cs.cmu.edu
 D: ARM Linux ports to Assabet/Neponset, Spot
@@ -1165,12 +1149,6 @@ S: 600 North Bell Avenue, Suite 160
 S: Carnegie, Pennsylvania 15106-4304
 S: USA
 
-N: Kai Germaschewski
-E: kai@germaschewski.name
-D: Major kbuild rework during the 2.5 cycle
-D: ISDN Maintainer
-S: USA
-
 N: Philip Gladstone
 E: philip@gladstonefamily.net
 D: Kernel / timekeeping stuff
@@ -1939,7 +1917,7 @@ M: seasons@makosteszta.sote.hu
 D: Original author of software suspend
 
 N: Jaroslav Kysela
-E: perex@perex.cz
+E: perex@suse.cz
 W: http://www.perex.cz
 D: Original Author and Maintainer for HP 10/100 Mbit Network Adapters
 D: ISA PnP
@@ -2708,7 +2686,7 @@ S: Canada K2P 0X8
 
 N: Mikael Pettersson
 E: mikpe@it.uu.se
-W: http://user.it.uu.se/~mikpe/linux/
+W: http://www.csd.uu.se/~mikpe/
 D: Miscellaneous fixes
 
 N: Reed H. Petty
@@ -3539,12 +3517,6 @@ S: Maastrichterweg 63
 S: 5554 GG Valkenswaard
 S: The Netherlands
 
-N: Mark Wallis
-E: mwallis@serialmonkey.com
-W: http://mark.serialmonkey.com
-D: Ralink rt2x00 WLAN driver
-S: Newcastle, Australia
-
 N: Peter Shaobo Wang
 E: pwang@mmdcorp.com
 W: http://www.mmdcorp.com/pw/linux
@@ -3679,15 +3651,6 @@ S: Alte Regensburger Str. 11a
 S: 93149 Nittenau
 S: Germany
 
-N: Gertjan van Wingerde
-E: gwingerde@home.nl
-D: Ralink rt2x00 WLAN driver
-D: Minix V2 file-system
-D: Misc fixes
-S: Geessinkweg 177
-S: 7544 TX Enschede
-S: The Netherlands
-
 N: Lars Wirzenius
 E: liw@iki.fi
 D: Linux System Administrator's Guide, author, former maintainer

trunk/Documentation/00-INDEX

@@ -22,8 +22,6 @@ CodingStyle
 	- how the boss likes the C code in the kernel to look.
 DMA-API.txt
 	- DMA API, pci_ API & extensions for non-consistent memory machines.
-DMA-ISA-LPC.txt
-	- How to do DMA with ISA (and LPC) devices.
 DMA-mapping.txt
 	- info for PCI drivers using DMA portably across all platforms.
 DocBook/
@@ -52,8 +50,6 @@ README.cycladesZ
 	- info on Cyclades-Z firmware loading.
 SAK.txt
 	- info on Secure Attention Keys.
-SM501.txt
-	- Silicon Motion SM501 multimedia companion chip
 SecurityBugs
 	- procedure for reporting security bugs found in the kernel.
 SubmitChecklist
@@ -138,6 +134,8 @@ dvb/
 	- info on Linux Digital Video Broadcast (DVB) subsystem.
 early-userspace/
 	- info about initramfs, klibc, and userspace early during boot.
+ecryptfs.txt
+	- docs on eCryptfs: stacked cryptographic filesystem for Linux.
 eisa.txt
 	- info on EISA bus support.
 exception.txt
@@ -149,7 +147,7 @@ fb/
 feature-removal-schedule.txt
 	- list of files and features that are going to be removed.
 filesystems/
-	- info on the vfs and the various filesystems that Linux supports.
+	- directory with info on the various filesystems that Linux supports.
 firmware_class/
 	- request_firmware() hotplug interface info.
 floppy.txt
@@ -234,6 +232,8 @@ local_ops.txt
 	- semantics and behavior of local atomic operations.
 lockdep-design.txt
 	- documentation on the runtime locking correctness validator.
+locks.txt
+	- info on file locking implementations, flock() vs. fcntl(), etc.
 logo.gif
 	- full colour GIF image of Linux logo (penguin - Tux).
 logo.txt
@@ -242,14 +242,14 @@ m68k/
 	- directory with info about Linux on Motorola 68k architecture.
 magic-number.txt
 	- list of magic numbers used to mark/protect kernel data structures.
+mandatory.txt
+	- info on the Linux implementation of Sys V mandatory file locking.
 mca.txt
 	- info on supporting Micro Channel Architecture (e.g. PS/2) systems.
 md.txt
 	- info on boot arguments for the multiple devices driver.
 memory-barriers.txt
 	- info on Linux kernel memory barriers.
-memory-hotplug.txt
-	- Hotpluggable memory support, how to use and current status.
 memory.txt
 	- info on typical Linux memory problems.
 mips/
@@ -300,8 +300,6 @@ pm.txt
 	- info on Linux power management support.
 pnp.txt
 	- Linux Plug and Play documentation.
-power_supply_class.txt
-	- Tells userspace about battery, UPS, AC or DC power supply properties
 power/
 	- directory with info on Linux PCI power management.
 powerpc/
@@ -338,12 +336,8 @@ sched-coding.txt
 	- reference for various scheduler-related methods in the O(1) scheduler.
 sched-design.txt
 	- goals, design and implementation of the Linux O(1) scheduler.
-sched-design-CFS.txt
-	- goals, design and implementation of the Complete Fair Scheduler.
 sched-domains.txt
 	- information on scheduling domains.
-sched-nice-design.txt
-	- How and why the scheduler's nice levels are implemented.
 sched-stats.txt
 	- information on schedstats (Linux Scheduler Statistics).
 scsi/
@@ -388,8 +382,6 @@ stallion.txt
 	- info on using the Stallion multiport serial driver.
 svga.txt
 	- short guide on selecting video modes at boot via VGA BIOS.
-sysfs-rules.txt
-	- How not to use sysfs.
 sx.txt
 	- info on the Specialix SX/SI multiport serial driver.
 sysctl/
@@ -420,8 +412,6 @@ video4linux/
 	- directory with info regarding video/TV/radio cards and linux.
 vm/
 	- directory with info on the Linux vm code.
-volatile-considered-harmful.txt
-	- Why the "volatile" type class should not be used
 voyager.txt
 	- guide to running Linux on the Voyager architecture.
 w1/
@@ -430,5 +420,7 @@ watchdog/
 	- how to auto-reboot Linux if it has "fallen and can't get up". ;-)
 x86_64/
 	- directory with info on Linux support for AMD x86-64 (Hammer) machines.
+xterm-linux.xpm
+	- XPM image of penguin logo (see logo.txt) sitting on an xterm.
 zorro.txt
 	- info on writing drivers for Zorro bus devices found on Amigas.

trunk/Documentation/CodingStyle

@@ -77,15 +77,12 @@ Get a decent editor and don't leave whitespace at the end of lines.
 Coding style is all about readability and maintainability using commonly
 available tools.
 
-The limit on the length of lines is 80 columns and this is a strongly
-preferred limit.
+The limit on the length of lines is 80 columns and this is a hard limit.
 
 Statements longer than 80 columns will be broken into sensible chunks.
 Descendants are always substantially shorter than the parent and are placed
 substantially to the right. The same applies to function headers with a long
-argument list. Long strings are as well broken into shorter strings. The
-only exception to this is where exceeding 80 columns significantly increases
-readability and does not hide information.
+argument list. Long strings are as well broken into shorter strings.
 
 void fun(int a, int b, int c)
 {

trunk/Documentation/DMA-API.txt

@@ -68,9 +68,6 @@ size and dma_handle must all be the same as those passed into the
 consistent allocate.  cpu_addr must be the virtual address returned by
 the consistent allocate.
 
-Note that unlike their sibling allocation calls, these routines
-may only be called with IRQs enabled.
-
 
 Part Ib - Using small dma-coherent buffers
 ------------------------------------------

trunk/Documentation/DMA-mapping.txt

@@ -189,6 +189,12 @@ smaller mask as pci_set_dma_mask(). However for the rare case that a
 device driver only uses consistent allocations, one would have to
 check the return value from pci_set_consistent_dma_mask().
 
+If your 64-bit device is going to be an enormous consumer of DMA
+mappings, this can be problematic since the DMA mappings are a
+finite resource on many platforms.  Please see the "DAC Addressing
+for Address Space Hungry Devices" section near the end of this
+document for how to handle this case.
+
 Finally, if your device can only drive the low 24-bits of
 address during PCI bus mastering you might do something like:
 
@@ -197,6 +203,8 @@ address during PCI bus mastering you might do something like:
 		       "mydev: 24-bit DMA addressing not available.\n");
 		goto ignore_this_device;
 	}
+[Better use DMA_24BIT_MASK instead of 0x00ffffff.
+See linux/include/dma-mapping.h for reference.]
 
 When pci_set_dma_mask() is successful, and returns zero, the PCI layer
 saves away this mask you have provided.  The PCI layer will use this
@@ -506,7 +514,7 @@ With scatterlists, you map a region gathered from several regions by:
 	int i, count = pci_map_sg(dev, sglist, nents, direction);
 	struct scatterlist *sg;
 
-	for_each_sg(sglist, sg, count, i) {
+	for (i = 0, sg = sglist; i < count; i++, sg++) {
 		hw_address[i] = sg_dma_address(sg);
 		hw_len[i] = sg_dma_len(sg);
 	}
@@ -644,6 +652,18 @@ It is planned to completely remove virt_to_bus() and bus_to_virt() as
 they are entirely deprecated.  Some ports already do not provide these
 as it is impossible to correctly support them.
 
+		64-bit DMA and DAC cycle support
+
+Do you understand all of the text above?  Great, then you already
+know how to use 64-bit DMA addressing under Linux.  Simply make
+the appropriate pci_set_dma_mask() calls based upon your cards
+capabilities, then use the mapping APIs above.
+
+It is that simple.
+
+Well, not for some odd devices.  See the next section for information
+about that.
+
 		Optimizing Unmap State Space Consumption
 
 On many platforms, pci_unmap_{single,page}() is simply a nop.
@@ -762,5 +782,5 @@ following people:
 	Jay Estabrook <Jay.Estabrook@compaq.com>
 	Thomas Sailer <sailer@ife.ee.ethz.ch>
 	Andrea Arcangeli <andrea@suse.de>
-	Jens Axboe <jens.axboe@oracle.com>
+	Jens Axboe <axboe@suse.de>
 	David Mosberger-Tang <davidm@hpl.hp.com>

trunk/Documentation/DocBook/Makefile

@@ -11,7 +11,7 @@ DOCBOOKS := wanbook.xml z8530book.xml mcabook.xml videobook.xml \
 	    procfs-guide.xml writing_usb_driver.xml \
 	    kernel-api.xml filesystems.xml lsm.xml usb.xml \
 	    gadget.xml libata.xml mtdnand.xml librs.xml rapidio.xml \
-	    genericirq.xml s390-drivers.xml
+	    genericirq.xml
 
 ###
 # The build process is as follows (targets):

trunk/Documentation/DocBook/deviceiobook.tmpl

@@ -85,7 +85,7 @@
 
   <chapter id="mmio">
     <title>Memory Mapped IO</title>
-    <sect1 id="getting_access_to_the_device">
+    <sect1>
       <title>Getting Access to the Device</title>
       <para>
 	The most widely supported form of IO is memory mapped IO.
@@ -114,7 +114,7 @@
       </para>
     </sect1>
 
-    <sect1 id="accessing_the_device">
+    <sect1>
       <title>Accessing the device</title>
       <para>
 	The part of the interface most used by drivers is reading and
@@ -272,9 +272,9 @@ CPU B:  spin_unlock_irqrestore(&amp;dev_lock, flags)
 
   </chapter>
 
-  <chapter id="port_space_accesses">
+  <chapter>
     <title>Port Space Accesses</title>
-    <sect1 id="port_space_explained">
+    <sect1>
       <title>Port Space Explained</title>
 
       <para>
@@ -291,7 +291,7 @@ CPU B:  spin_unlock_irqrestore(&amp;dev_lock, flags)
       </para>
 
     </sect1>
-    <sect1 id="accessing_port_space">
+    <sect1>
       <title>Accessing Port Space</title>
       <para>
 	Accesses to this space are provided through a set of functions
@@ -316,8 +316,7 @@ CPU B:  spin_unlock_irqrestore(&amp;dev_lock, flags)
 
   <chapter id="pubfunctions">
      <title>Public Functions Provided</title>
-!Iinclude/asm-x86/io_32.h
-!Elib/iomap.c
+!Einclude/asm-i386/io.h
   </chapter>
 
 </book>