---

yaml
---
r: 263019
b: refs/heads/master
c: edb5811
h: refs/heads/master
i:
  263017: 4997275
  263015: f51d8bc
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 178a29600340bef5b13cd4157053679debe35351
+refs/heads/master: edb581110d04c70a4be5723ff8862a0f523657dd

trunk/Documentation/00-INDEX

@@ -272,6 +272,8 @@ printk-formats.txt
 	- how to get printk format specifiers right
 prio_tree.txt
 	- info on radix-priority-search-tree use for indexing vmas.
+ramoops.txt
+	- documentation of the ramoops oops/panic logging module.
 rbtree.txt
 	- info on what red-black trees are and what they are for.
 robust-futex-ABI.txt

trunk/Documentation/SubmittingDrivers

@@ -130,7 +130,7 @@ Linux kernel master tree:
 	ftp.??.kernel.org:/pub/linux/kernel/...
 	?? == your country code, such as "us", "uk", "fr", etc.
 
-	http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git
+	http://git.kernel.org/?p=linux/kernel/git/torvalds/linux.git
 
 Linux kernel mailing list:
 	linux-kernel@vger.kernel.org

trunk/Documentation/SubmittingPatches

@@ -303,7 +303,7 @@ patches that are being emailed around.
 
 The sign-off is a simple line at the end of the explanation for the
 patch, which certifies that you wrote it or otherwise have the right to
-pass it on as a open-source patch.  The rules are pretty simple: if you
+pass it on as an open-source patch.  The rules are pretty simple: if you
 can certify the below:
 
         Developer's Certificate of Origin 1.1

trunk/Documentation/email-clients.txt

@@ -199,18 +199,16 @@ to coerce it into behaving.
 
 To beat some sense out of the internal editor, do this:
 
-- Under account settings, composition and addressing, uncheck "Compose
-  messages in HTML format".
-
 - Edit your Thunderbird config settings so that it won't use format=flowed.
   Go to "edit->preferences->advanced->config editor" to bring up the
   thunderbird's registry editor, and set "mailnews.send_plaintext_flowed" to
   "false".
 
-- Enable "preformat" mode: Shft-click on the Write icon to bring up the HTML
-  composer, select "Preformat" from the drop-down box just under the subject
-  line, then close the message without saving.  (This setting also applies to
-  the text composer, but the only control for it is in the HTML composer.)
+- Disable HTML Format: Set "mail.identity.id1.compose_html" to "false".
+
+- Enable "preformat" mode: Set "editor.quotesPreformatted" to "true".
+
+- Enable UTF8: Set "prefs.converted-to-utf8" to "true".
 
 - Install the "toggle wordwrap" extension.  Download the file from:
     https://addons.mozilla.org/thunderbird/addon/2351/

trunk/Documentation/filesystems/befs.txt

@@ -27,7 +27,7 @@ His original code can still be found at:
 Does anyone know of a more current email address for Makoto? He doesn't
 respond to the address given above...
 
-Current maintainer: Sergey S. Kostyliov <rathamahata@php4.ru>
+This filesystem doesn't have a maintainer.
 
 WHAT IS THIS DRIVER?
 ==================

trunk/Documentation/kernel-docs.txt

@@ -620,17 +620,6 @@
        (including this document itself) have been moved there, and might
        be more up to date than the web version.
 
-     * Name: "Linux Source Driver"
-       URL: http://lsd.linux.cz
-       Keywords: Browsing source code.
-       Description: "Linux Source Driver (LSD) is an application, which
-       can make browsing source codes of Linux kernel easier than you can
-       imagine. You can select between multiple versions of kernel (e.g.
-       0.01, 1.0.0, 2.0.33, 2.0.34pre13, 2.0.0, 2.1.101 etc.). With LSD
-       you can search Linux kernel (fulltext, macros, types, functions
-       and variables) and LSD can generate patches for you on the fly
-       (files, directories or kernel)".
-
      * Name: "Linux Kernel Source Reference"
        Author: Thomas Graichen.
        URL: http://marc.info/?l=linux-kernel&m=96446640102205&w=4

trunk/Documentation/kernel-parameters.txt

@@ -40,6 +40,7 @@ parameter is applicable:
 	ALSA	ALSA sound support is enabled.
 	APIC	APIC support is enabled.
 	APM	Advanced Power Management support is enabled.
+	ARM	ARM architecture is enabled.
 	AVR32	AVR32 architecture is enabled.
 	AX25	Appropriate AX.25 support is enabled.
 	BLACKFIN Blackfin architecture is enabled.
@@ -49,6 +50,7 @@ parameter is applicable:
 	EFI	EFI Partitioning (GPT) is enabled
 	EIDE	EIDE/ATAPI support is enabled.
 	FB	The frame buffer device is enabled.
+	FTRACE	Function tracing enabled.
 	GCOV	GCOV profiling is enabled.
 	HW	Appropriate hardware is enabled.
 	IA-64	IA-64 architecture is enabled.
@@ -69,6 +71,7 @@ parameter is applicable:
 			Documentation/m68k/kernel-options.txt.
 	MCA	MCA bus support is enabled.
 	MDA	MDA console support is enabled.
+	MIPS	MIPS architecture is enabled.
 	MOUSE	Appropriate mouse support is enabled.
 	MSI	Message Signaled Interrupts (PCI).
 	MTD	MTD (Memory Technology Device) support is enabled.
@@ -100,7 +103,6 @@ parameter is applicable:
 	SPARC	Sparc architecture is enabled.
 	SWSUSP	Software suspend (hibernation) is enabled.
 	SUSPEND	System suspend states are enabled.
-	FTRACE	Function tracing enabled.
 	TPM	TPM drivers are enabled.
 	TS	Appropriate touchscreen support is enabled.
 	UMS	USB Mass Storage support is enabled.
@@ -115,7 +117,7 @@ parameter is applicable:
 	X86-64	X86-64 architecture is enabled.
 			More X86-64 boot options can be found in
 			Documentation/x86/x86_64/boot-options.txt .
-	X86	Either 32bit or 64bit x86 (same as X86-32+X86-64)
+	X86	Either 32-bit or 64-bit x86 (same as X86-32+X86-64)
 	XEN	Xen support is enabled
 
 In addition, the following text indicates that the option:
@@ -376,7 +378,7 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
 	atkbd.softrepeat= [HW]
 			Use software keyboard repeat
 
-	autotest	[IA64]
+	autotest	[IA-64]
 
 	baycom_epp=	[HW,AX25]
 			Format: <io>,<mode>
@@ -681,8 +683,8 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
 		uart[8250],mmio32,<addr>[,options]
 			Start an early, polled-mode console on the 8250/16550
 			UART at the specified I/O port or MMIO address.
-			MMIO inter-register address stride is either 8bit (mmio)
-                        or 32bit (mmio32).
+			MMIO inter-register address stride is either 8-bit
+			(mmio) or 32-bit (mmio32).
 			The options are the same as for ttyS, above.
 
 	earlyprintk=	[X86,SH,BLACKFIN]
@@ -725,7 +727,7 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
 			See Documentation/block/as-iosched.txt and
 			Documentation/block/deadline-iosched.txt for details.
 
-	elfcorehdr=	[IA64,PPC,SH,X86]
+	elfcorehdr=	[IA-64,PPC,SH,X86]
 			Specifies physical address of start of kernel core
 			image elf header. Generally kexec loader will
 			pass this option to capture kernel.
@@ -791,7 +793,7 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
 			tracer at boot up. function-list is a comma separated
 			list of functions. This list can be changed at run
 			time by the set_ftrace_filter file in the debugfs
-			tracing directory. 
+			tracing directory.
 
 	ftrace_notrace=[function-list]
 			[FTRACE] Do not trace the functions specified in
@@ -829,7 +831,7 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
 
 	hashdist=	[KNL,NUMA] Large hashes allocated during boot
 			are distributed across NUMA nodes.  Defaults on
-			for 64bit NUMA, off otherwise.
+			for 64-bit NUMA, off otherwise.
 			Format: 0 | 1 (for off | on)
 
 	hcl=		[IA-64] SGI's Hardware Graph compatibility layer
@@ -998,10 +1000,10 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
 			DMA.
 		forcedac [x86_64]
 			With this option iommu will not optimize to look
-			for io virtual address below 32 bit forcing dual
+			for io virtual address below 32-bit forcing dual
 			address cycle on pci bus for cards supporting greater
-			than 32 bit addressing. The default is to look
-			for translation below 32 bit and if not available
+			than 32-bit addressing. The default is to look
+			for translation below 32-bit and if not available
 			then look in the higher range.
 		strict [Default Off]
 			With this option on every unmap_single operation will
@@ -1017,7 +1019,7 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
 			off	disable Interrupt Remapping
 			nosid	disable Source ID checking
 
-	inttest=	[IA64]
+	inttest=	[IA-64]
 
 	iomem=		Disable strict checking of access to MMIO memory
 		strict	regions from userspace.
@@ -1034,7 +1036,7 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
 		nomerge
 		forcesac
 		soft
-		pt	[x86, IA64]
+		pt	[x86, IA-64]
 
 	io7=		[HW] IO7 for Marvel based alpha systems
 			See comment before marvel_specify_io7 in
@@ -1165,7 +1167,7 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
 
 	kvm-amd.npt=	[KVM,AMD] Disable nested paging (virtualized MMU)
 			for all guests.
-			Default is 1 (enabled) if in 64bit or 32bit-PAE mode
+			Default is 1 (enabled) if in 64-bit or 32-bit PAE mode.
 
 	kvm-intel.ept=	[KVM,Intel] Disable extended page tables
 			(virtualized MMU) support on capable Intel chips.
@@ -1202,10 +1204,10 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
 			libata.dma=0	  Disable all PATA and SATA DMA
 			libata.dma=1	  PATA and SATA Disk DMA only
 			libata.dma=2	  ATAPI (CDROM) DMA only
-			libata.dma=4	  Compact Flash DMA only 
+			libata.dma=4	  Compact Flash DMA only
 			Combinations also work, so libata.dma=3 enables DMA
 			for disks and CDROMs, but not CFs.
-	
+
 	libata.ignore_hpa=	[LIBATA] Ignore HPA limit
 			libata.ignore_hpa=0	  keep BIOS limits (default)
 			libata.ignore_hpa=1	  ignore limits, using full disk
@@ -1331,7 +1333,7 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
 	ltpc=		[NET]
 			Format: <io>,<irq>,<dma>
 
-	machvec=	[IA64] Force the use of a particular machine-vector
+	machvec=	[IA-64] Force the use of a particular machine-vector
 			(machvec) in a generic kernel.
 			Example: machvec=hpzx1_swiotlb
 
@@ -1734,7 +1736,7 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
 
 	nointroute	[IA-64]
 
-	nojitter	[IA64] Disables jitter checking for ITC timers.
+	nojitter	[IA-64] Disables jitter checking for ITC timers.
 
 	no-kvmclock	[X86,KVM] Disable paravirtualized KVM clock driver
 
@@ -1800,7 +1802,7 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
 
 	nox2apic	[X86-64,APIC] Do not enable x2APIC mode.
 
-	nptcg=		[IA64] Override max number of concurrent global TLB
+	nptcg=		[IA-64] Override max number of concurrent global TLB
 			purges which is reported from either PAL_VM_SUMMARY or
 			SAL PALO.
 
@@ -2077,7 +2079,7 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
 			Format: { parport<nr> | timid | 0 }
 			See also Documentation/parport.txt.
 
-	pmtmr=		[X86] Manual setup of pmtmr I/O Port. 
+	pmtmr=		[X86] Manual setup of pmtmr I/O Port.
 			Override pmtimer IOPort with a hex value.
 			e.g. pmtmr=0x508
 
@@ -2635,6 +2637,16 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
 					medium is write-protected).
 			Example: quirks=0419:aaf5:rl,0421:0433:rc
 
+	user_debug=	[KNL,ARM]
+			Format: <int>
+			See arch/arm/Kconfig.debug help text.
+				 1 - undefined instruction events
+				 2 - system calls
+				 4 - invalid data aborts
+				 8 - SIGSEGV faults
+				16 - SIGBUS faults
+			Example: user_debug=31
+
 	userpte=
 			[X86] Flags controlling user PTE allocations.
 

trunk/Documentation/ramoops.txt

@@ -0,0 +1,76 @@
+Ramoops oops/panic logger
+=========================
+
+Sergiu Iordache <sergiu@chromium.org>
+
+Updated: 8 August 2011
+
+0. Introduction
+
+Ramoops is an oops/panic logger that writes its logs to RAM before the system
+crashes. It works by logging oopses and panics in a circular buffer. Ramoops
+needs a system with persistent RAM so that the content of that area can
+survive after a restart.
+
+1. Ramoops concepts
+
+Ramoops uses a predefined memory area to store the dump. The start and size of
+the memory area are set using two variables:
+  * "mem_address" for the start
+  * "mem_size" for the size. The memory size will be rounded down to a
+  power of two.
+
+The memory area is divided into "record_size" chunks (also rounded down to
+power of two) and each oops/panic writes a "record_size" chunk of
+information.
+
+Dumping both oopses and panics can be done by setting 1 in the "dump_oops"
+variable while setting 0 in that variable dumps only the panics.
+
+The module uses a counter to record multiple dumps but the counter gets reset
+on restart (i.e. new dumps after the restart will overwrite old ones).
+
+2. Setting the parameters
+
+Setting the ramoops parameters can be done in 2 different manners:
+ 1. Use the module parameters (which have the names of the variables described
+ as before).
+ 2. Use a platform device and set the platform data. The parameters can then
+ be set through that platform data. An example of doing that is:
+
+#include <linux/ramoops.h>
+[...]
+
+static struct ramoops_platform_data ramoops_data = {
+        .mem_size               = <...>,
+        .mem_address            = <...>,
+        .record_size            = <...>,
+        .dump_oops              = <...>,
+};
+
+static struct platform_device ramoops_dev = {
+        .name = "ramoops",
+        .dev = {
+                .platform_data = &ramoops_data,
+        },
+};
+
+[... inside a function ...]
+int ret;
+
+ret = platform_device_register(&ramoops_dev);
+if (ret) {
+	printk(KERN_ERR "unable to register platform device\n");
+	return ret;
+}
+
+3. Dump format
+
+The data dump begins with a header, currently defined as "====" followed by a
+timestamp and a new line. The dump then continues with the actual data.
+
+4. Reading the data
+
+The dump data can be read from memory (through /dev/mem or other means).
+Getting the module parameters, which are needed in order to parse the data, can
+be done through /sys/module/ramoops/parameters/* .

trunk/Documentation/virtual/00-INDEX

@@ -8,3 +8,6 @@ lguest/
 	- Extremely simple hypervisor for experimental/educational use.
 uml/
 	- User Mode Linux, builds/runs Linux kernel as a userspace program.
+virtio.txt
+	- Text version of draft virtio spec.
+          See http://ozlabs.org/~rusty/virtio-spec

trunk/Documentation/virtual/lguest/lguest.c

@@ -1996,6 +1996,9 @@ int main(int argc, char *argv[])
 	/* We use a simple helper to copy the arguments separated by spaces. */
 	concat((char *)(boot + 1), argv+optind+2);
 
+	/* Set kernel alignment to 16M (CONFIG_PHYSICAL_ALIGN) */
+	boot->hdr.kernel_alignment = 0x1000000;
+
 	/* Boot protocol version: 2.07 supports the fields for lguest. */
 	boot->hdr.version = 0x207;