---

yaml --- r: 123219 b: refs/heads/master c: 26cc271 h: refs/heads/master i: 123217: b7c04ab 123215: d406e21 v: v3
git-mirror · Dec 19, 2008 · d9b3c85 · d9b3c85
1 parent ad24cc1
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diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 00ef9f7348dfd2fc223ec42aceb30836e86b367f
+refs/heads/master: 26cc271db798cf211d35967cbfbb53e997126b84
diff --git a/trunk/Documentation/arm/mem_alignment b/trunk/Documentation/arm/mem_alignment
@@ -24,7 +24,7 @@ real bad - it changes the behaviour of all unaligned instructions in user
 space, and might cause programs to fail unexpectedly.
 
 To change the alignment trap behavior, simply echo a number into
-/proc/sys/debug/alignment.  The number is made up from various bits:
+/proc/cpu/alignment.  The number is made up from various bits:
 
 bit		behavior when set
 ---		-----------------

diff --git a/trunk/Documentation/local_ops.txt b/trunk/Documentation/local_ops.txt
@@ -149,7 +149,7 @@ static void do_test_timer(unsigned long data)
 	int cpu;
 
 	/* Increment the counters */
-	on_each_cpu(test_each, NULL, 0, 1);
+	on_each_cpu(test_each, NULL, 1);
 	/* Read all the counters */
 	printk("Counters read from CPU %d\n", smp_processor_id());
 	for_each_online_cpu(cpu) {

diff --git a/trunk/Documentation/lockstat.txt b/trunk/Documentation/lockstat.txt
@@ -71,50 +71,35 @@ Look at the current lock statistics:
 
 # less /proc/lock_stat
 
-01 lock_stat version 0.3
+01 lock_stat version 0.2
 02 -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
 03                               class name    con-bounces    contentions   waittime-min   waittime-max waittime-total    acq-bounces   acquisitions   holdtime-min   holdtime-max holdtime-total
 04 -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
 05
-06                          &mm->mmap_sem-W:           233            538 18446744073708       22924.27      607243.51           1342          45806           1.71        8595.89     1180582.34
-07                          &mm->mmap_sem-R:           205            587 18446744073708       28403.36      731975.00           1940         412426           0.58      187825.45     6307502.88
-08                          ---------------
-09                            &mm->mmap_sem            487          [<ffffffff8053491f>] do_page_fault+0x466/0x928
-10                            &mm->mmap_sem            179          [<ffffffff802a6200>] sys_mprotect+0xcd/0x21d
-11                            &mm->mmap_sem            279          [<ffffffff80210a57>] sys_mmap+0x75/0xce
-12                            &mm->mmap_sem             76          [<ffffffff802a490b>] sys_munmap+0x32/0x59
-13                          ---------------
-14                            &mm->mmap_sem            270          [<ffffffff80210a57>] sys_mmap+0x75/0xce
-15                            &mm->mmap_sem            431          [<ffffffff8053491f>] do_page_fault+0x466/0x928
-16                            &mm->mmap_sem            138          [<ffffffff802a490b>] sys_munmap+0x32/0x59
-17                            &mm->mmap_sem            145          [<ffffffff802a6200>] sys_mprotect+0xcd/0x21d
-18
-19 ...............................................................................................................................................................................................
-20
-21                              dcache_lock:           621            623           0.52         118.26        1053.02           6745          91930           0.29         316.29      118423.41
-22                              -----------
-23                              dcache_lock            179          [<ffffffff80378274>] _atomic_dec_and_lock+0x34/0x54
-24                              dcache_lock            113          [<ffffffff802cc17b>] d_alloc+0x19a/0x1eb
-25                              dcache_lock             99          [<ffffffff802ca0dc>] d_rehash+0x1b/0x44
-26                              dcache_lock            104          [<ffffffff802cbca0>] d_instantiate+0x36/0x8a
-27                              -----------
-28                              dcache_lock            192          [<ffffffff80378274>] _atomic_dec_and_lock+0x34/0x54
-29                              dcache_lock             98          [<ffffffff802ca0dc>] d_rehash+0x1b/0x44
-30                              dcache_lock             72          [<ffffffff802cc17b>] d_alloc+0x19a/0x1eb
-31                              dcache_lock            112          [<ffffffff802cbca0>] d_instantiate+0x36/0x8a
+06               &inode->i_data.tree_lock-W:            15          21657           0.18     1093295.30 11547131054.85             58          10415           0.16          87.51        6387.60
+07               &inode->i_data.tree_lock-R:             0              0           0.00           0.00           0.00          23302         231198           0.25           8.45       98023.38
+08               --------------------------
+09                 &inode->i_data.tree_lock              0          [<ffffffff8027c08f>] add_to_page_cache+0x5f/0x190
+10
+11 ...............................................................................................................................................................................................
+12
+13                              dcache_lock:          1037           1161           0.38          45.32         774.51           6611         243371           0.15         306.48       77387.24
+14                              -----------
+15                              dcache_lock            180          [<ffffffff802c0d7e>] sys_getcwd+0x11e/0x230
+16                              dcache_lock            165          [<ffffffff802c002a>] d_alloc+0x15a/0x210
+17                              dcache_lock             33          [<ffffffff8035818d>] _atomic_dec_and_lock+0x4d/0x70
+18                              dcache_lock              1          [<ffffffff802beef8>] shrink_dcache_parent+0x18/0x130
 
 This excerpt shows the first two lock class statistics. Line 01 shows the
 output version - each time the format changes this will be updated. Line 02-04
-show the header with column descriptions. Lines 05-18 and 20-31 show the actual
+show the header with column descriptions. Lines 05-10 and 13-18 show the actual
 statistics. These statistics come in two parts; the actual stats separated by a
-short separator (line 08, 13) from the contention points.
+short separator (line 08, 14) from the contention points.
 
-The first lock (05-18) is a read/write lock, and shows two lines above the
+The first lock (05-10) is a read/write lock, and shows two lines above the
 short separator. The contention points don't match the column descriptors,
-they have two: contentions and [<IP>] symbol. The second set of contention
-points are the points we're contending with.
+they have two: contentions and [<IP>] symbol.
 
-The integer part of the time values is in us.
 
 View the top contending locks:
 

diff --git a/trunk/Documentation/usb/gadget_serial.txt b/trunk/Documentation/usb/gadget_serial.txt
@@ -114,11 +114,11 @@ modules.
 Then you must load the gadget serial driver.  To load it as an
 ACM device (recommended for interoperability), do this:
 
-  modprobe g_serial use_acm=1
+  modprobe g_serial
 
 To load it as a vendor specific bulk in/out device, do this:
 
-  modprobe g_serial
+  modprobe g_serial use_acm=0
 
 This will also automatically load the underlying gadget peripheral
 controller driver.  This must be done each time you reboot the gadget

diff --git a/trunk/Documentation/usb/proc_usb_info.txt b/trunk/Documentation/usb/proc_usb_info.txt
@@ -49,8 +49,10 @@ it and 002/048 sometime later.
 
 These files can be read as binary data.  The binary data consists
 of first the device descriptor, then the descriptors for each
-configuration of the device.  That information is also shown in
-text form by the /proc/bus/usb/devices file, described later.
+configuration of the device.  Multi-byte fields in the device and
+configuration descriptors, but not other descriptors, are converted
+to host endianness by the kernel.  This information is also shown
+in text form by the /proc/bus/usb/devices file, described later.
 
 These files may also be used to write user-level drivers for the USB
 devices.  You would open the /proc/bus/usb/BBB/DDD file read/write,

diff --git a/trunk/Documentation/usb/usbmon.txt b/trunk/Documentation/usb/usbmon.txt
@@ -34,11 +34,12 @@ if usbmon is built into the kernel.
 Verify that bus sockets are present.
 
 # ls /sys/kernel/debug/usbmon
-0s  0t  0u  1s  1t  1u  2s  2t  2u  3s  3t  3u  4s  4t  4u
+0s  0u  1s  1t  1u  2s  2t  2u  3s  3t  3u  4s  4t  4u
 #
 
-Now you can choose to either use the sockets numbered '0' (to capture packets on
-all buses), and skip to step #3, or find the bus used by your device with step #2.
+Now you can choose to either use the socket '0u' (to capture packets on all
+buses), and skip to step #3, or find the bus used by your device with step #2.
+This allows to filter away annoying devices that talk continuously.
 
 2. Find which bus connects to the desired device
 
@@ -99,8 +100,9 @@ on the event type, but there is a set of words, common for all types.
 
 Here is the list of words, from left to right:
 
-- URB Tag. This is used to identify URBs is normally a kernel mode address
- of the URB structure in hexadecimal.
+- URB Tag. This is used to identify URBs, and is normally an in-kernel address
+  of the URB structure in hexadecimal, but can be a sequence number or any
+  other unique string, within reason.
 
 - Timestamp in microseconds, a decimal number. The timestamp's resolution
   depends on available clock, and so it can be much worse than a microsecond

diff --git a/trunk/MAINTAINERS b/trunk/MAINTAINERS
@@ -779,6 +779,7 @@ ATM
 P:	Chas Williams
 M:	chas@cmf.nrl.navy.mil
 L:	linux-atm-general@lists.sourceforge.net (subscribers-only)
+L:	netdev@vger.kernel.org
 W:	http://linux-atm.sourceforge.net
 S:	Maintained
 
@@ -1526,10 +1527,10 @@ W:	http://ebtables.sourceforge.net/
 S:	Maintained
 
 ECRYPT FILE SYSTEM
-P:	Mike Halcrow, Phillip Hellewell
-M:	mhalcrow@us.ibm.com, phillip@hellewell.homeip.net
-L:	ecryptfs-devel@lists.sourceforge.net
-W:	http://ecryptfs.sourceforge.net/
+P:	Tyler Hicks, Dustin Kirkland
+M:	tyhicks@linux.vnet.ibm.com, kirkland@canonical.com
+L:	ecryptfs-devel@lists.launchpad.net
+W:	https://launchpad.net/ecryptfs
 S:	Supported
 
 EDAC-CORE
@@ -2190,9 +2191,9 @@ S:	Supported
 
 INOTIFY
 P:	John McCutchan
-M:	ttb@tentacle.dhs.org
+M:	john@johnmccutchan.com
 P:	Robert Love
-M:	rml@novell.com
+M:	rlove@rlove.org
 L:	linux-kernel@vger.kernel.org
 S:	Maintained
 
@@ -3758,6 +3759,15 @@ M:	drzeus-sdhci@drzeus.cx
 L:	sdhci-devel@list.drzeus.cx
 S:	Maintained
 
+SECURITY SUBSYSTEM
+F:	security/
+P:	James Morris
+M:	jmorris@namei.org
+L:	linux-kernel@vger.kernel.org
+L:	linux-security-module@vger.kernel.org (suggested Cc:)
+T:	git kernel.org:pub/scm/linux/kernel/git/jmorris/security-testing-2.6.git
+S:	Supported
+
 SECURITY CONTACT
 P:	Security Officers
 M:	security@kernel.org
@@ -4235,7 +4245,7 @@ M:	dedekind@infradead.org
 P:	Adrian Hunter
 M:	ext-adrian.hunter@nokia.com
 L:	linux-mtd@lists.infradead.org
-T:	git git://git.infradead.org/~dedekind/ubifs-2.6.git
+T:	git git://git.infradead.org/ubifs-2.6.git
 W:	http://www.linux-mtd.infradead.org/doc/ubifs.html
 S:	Maintained
 
@@ -4289,7 +4299,7 @@ P:	Artem Bityutskiy
 M:	dedekind@infradead.org
 W:	http://www.linux-mtd.infradead.org/
 L:	linux-mtd@lists.infradead.org
-T:	git git://git.infradead.org/~dedekind/ubi-2.6.git
+T:	git git://git.infradead.org/ubi-2.6.git
 S:	Maintained
 
 USB ACM DRIVER

diff --git a/trunk/Makefile b/trunk/Makefile
@@ -1,7 +1,7 @@
 VERSION = 2
 PATCHLEVEL = 6
 SUBLEVEL = 28
-EXTRAVERSION = -rc7
+EXTRAVERSION = -rc9
 NAME = Erotic Pickled Herring
 
 # *DOCUMENTATION*

diff --git a/trunk/arch/arm/common/sa1111.c b/trunk/arch/arm/common/sa1111.c
@@ -630,7 +630,7 @@ __sa1111_probe(struct device *me, struct resource *mem, int irq)
 		return -ENOMEM;
 
 	sachip->clk = clk_get(me, "SA1111_CLK");
-	if (!sachip->clk) {
+	if (IS_ERR(sachip->clk)) {
 		ret = PTR_ERR(sachip->clk);
 		goto err_free;
 	}

diff --git a/trunk/arch/arm/include/asm/bitops.h b/trunk/arch/arm/include/asm/bitops.h
@@ -237,6 +237,7 @@ extern int _find_next_bit_be(const unsigned long *p, int size, int offset);
 #if __LINUX_ARM_ARCH__ < 5
 
 #include <asm-generic/bitops/ffz.h>
+#include <asm-generic/bitops/__fls.h>
 #include <asm-generic/bitops/__ffs.h>
 #include <asm-generic/bitops/fls.h>
 #include <asm-generic/bitops/ffs.h>
@@ -277,16 +278,19 @@ static inline int constant_fls(int x)
  * the clz instruction for much better code efficiency.
  */
 
-#define __fls(x) \
-	( __builtin_constant_p(x) ? constant_fls(x) : \
-	  ({ int __r; asm("clz\t%0, %1" : "=r"(__r) : "r"(x) : "cc"); 32-__r; }) )
-
-/* Implement fls() in C so that 64-bit args are suitably truncated */
 static inline int fls(int x)
 {
-	return __fls(x);
+	int ret;
+
+	if (__builtin_constant_p(x))
+	       return constant_fls(x);
+
+	asm("clz\t%0, %1" : "=r" (ret) : "r" (x) : "cc");
+       	ret = 32 - ret;
+	return ret;
 }
 
+#define __fls(x) (fls(x) - 1)
 #define ffs(x) ({ unsigned long __t = (x); fls(__t & -__t); })
 #define __ffs(x) (ffs(x) - 1)
 #define ffz(x) __ffs( ~(x) )

diff --git a/trunk/arch/arm/include/asm/processor.h b/trunk/arch/arm/include/asm/processor.h
@@ -23,7 +23,7 @@
 #include <asm/types.h>
 
 #ifdef __KERNEL__
-#define STACK_TOP	((current->personality == PER_LINUX_32BIT) ? \
+#define STACK_TOP	((current->personality & ADDR_LIMIT_32BIT) ? \
 			 TASK_SIZE : TASK_SIZE_26)
 #define STACK_TOP_MAX	TASK_SIZE
 #endif

diff --git a/trunk/arch/arm/kernel/armksyms.c b/trunk/arch/arm/kernel/armksyms.c
@@ -115,6 +115,8 @@ EXPORT_SYMBOL(__strnlen_user);
 EXPORT_SYMBOL(__strncpy_from_user);
 
 #ifdef CONFIG_MMU
+EXPORT_SYMBOL(copy_page);
+
 EXPORT_SYMBOL(__copy_from_user);
 EXPORT_SYMBOL(__copy_to_user);
 EXPORT_SYMBOL(__clear_user);
@@ -181,8 +183,6 @@ EXPORT_SYMBOL(_find_first_bit_be);
 EXPORT_SYMBOL(_find_next_bit_be);
 #endif
 
-EXPORT_SYMBOL(copy_page);
-
 #ifdef CONFIG_FUNCTION_TRACER
 EXPORT_SYMBOL(mcount);
 #endif
diff --git a/trunk/arch/arm/kernel/traps.c b/trunk/arch/arm/kernel/traps.c
@@ -18,6 +18,7 @@
 #include <linux/personality.h>
 #include <linux/kallsyms.h>
 #include <linux/delay.h>
+#include <linux/hardirq.h>
 #include <linux/init.h>
 #include <linux/uaccess.h>
 

diff --git a/trunk/arch/arm/mach-omap1/io.c b/trunk/arch/arm/mach-omap1/io.c
@@ -128,7 +128,7 @@ void __init omap1_map_common_io(void)
  * Common low-level hardware init for omap1. This should only get called from
  * board specific init.
  */
-void __init omap1_init_common_hw()
+void __init omap1_init_common_hw(void)
 {
 	/* REVISIT: Refer to OMAP5910 Errata, Advisory SYS_1: "Timeout Abort
 	 * on a Posted Write in the TIPB Bridge".

diff --git a/trunk/arch/arm/mach-pxa/include/mach/reset.h b/trunk/arch/arm/mach-pxa/include/mach/reset.h
@@ -12,9 +12,8 @@ extern void clear_reset_status(unsigned int mask);
 
 /**
  * init_gpio_reset() - register GPIO as reset generator
- *
- * @gpio - gpio nr
- * @output - set gpio as out/low instead of input during normal work
+ * @gpio: gpio nr
+ * @output: set gpio as out/low instead of input during normal work
  */
 extern int init_gpio_reset(int gpio, int output);
 

diff --git a/trunk/arch/arm/mm/alignment.c b/trunk/arch/arm/mm/alignment.c
@@ -70,6 +70,10 @@ static unsigned long ai_dword;
 static unsigned long ai_multi;
 static int ai_usermode;
 
+#define UM_WARN		(1 << 0)
+#define UM_FIXUP	(1 << 1)
+#define UM_SIGNAL	(1 << 2)
+
 #ifdef CONFIG_PROC_FS
 static const char *usermode_action[] = {
 	"ignored",
@@ -754,18 +758,18 @@ do_alignment(unsigned long addr, unsigned int fsr, struct pt_regs *regs)
  user:
 	ai_user += 1;
 
-	if (ai_usermode & 1)
+	if (ai_usermode & UM_WARN)
 		printk("Alignment trap: %s (%d) PC=0x%08lx Instr=0x%0*lx "
 		       "Address=0x%08lx FSR 0x%03x\n", current->comm,
 			task_pid_nr(current), instrptr,
 		        thumb_mode(regs) ? 4 : 8,
 		        thumb_mode(regs) ? tinstr : instr,
 		        addr, fsr);
 
-	if (ai_usermode & 2)
+	if (ai_usermode & UM_FIXUP)
 		goto fixup;
 
-	if (ai_usermode & 4)
+	if (ai_usermode & UM_SIGNAL)
 		force_sig(SIGBUS, current);
 	else
 		set_cr(cr_no_alignment);
@@ -796,6 +800,22 @@ static int __init alignment_init(void)
 	res->write_proc = proc_alignment_write;
 #endif
 
+	/*
+	 * ARMv6 and later CPUs can perform unaligned accesses for
+	 * most single load and store instructions up to word size.
+	 * LDM, STM, LDRD and STRD still need to be handled.
+	 *
+	 * Ignoring the alignment fault is not an option on these
+	 * CPUs since we spin re-faulting the instruction without
+	 * making any progress.
+	 */
+	if (cpu_architecture() >= CPU_ARCH_ARMv6 && (cr_alignment & CR_U)) {
+		cr_alignment &= ~CR_A;
+		cr_no_alignment &= ~CR_A;
+		set_cr(cr_alignment);
+		ai_usermode = UM_FIXUP;
+	}
+
 	hook_fault_code(1, do_alignment, SIGILL, "alignment exception");
 	hook_fault_code(3, do_alignment, SIGILL, "alignment exception");
 

diff --git a/trunk/arch/arm/mm/fault.c b/trunk/arch/arm/mm/fault.c
@@ -11,6 +11,7 @@
 #include <linux/module.h>
 #include <linux/signal.h>
 #include <linux/mm.h>
+#include <linux/hardirq.h>
 #include <linux/init.h>
 #include <linux/kprobes.h>
 #include <linux/uaccess.h>

diff --git a/trunk/arch/arm/plat-omap/include/mach/omapfb.h b/trunk/arch/arm/plat-omap/include/mach/omapfb.h
@@ -353,8 +353,8 @@ struct omapfb_device {
 	u32			pseudo_palette[17];
 
 	struct lcd_panel	*panel;			/* LCD panel */
-	struct lcd_ctrl         *ctrl;			/* LCD controller */
-	struct lcd_ctrl		*int_ctrl;		/* internal LCD ctrl */
+	const struct lcd_ctrl	*ctrl;			/* LCD controller */
+	const struct lcd_ctrl	*int_ctrl;		/* internal LCD ctrl */
 	struct lcd_ctrl_extif	*ext_if;		/* LCD ctrl external
 							   interface */
 	struct device		*dev;