Merge branch 'master' of github.com:davem330/net

Conflicts:
	net/batman-adv/soft-interface.c

Documentation/hwmon/coretemp

@@ -35,13 +35,6 @@ the Out-Of-Spec bit. Following table summarizes the exported sysfs files:
 All Sysfs entries are named with their core_id (represented here by 'X').
 tempX_input	 - Core temperature (in millidegrees Celsius).
 tempX_max	 - All cooling devices should be turned on (on Core2).
-		   Initialized with IA32_THERM_INTERRUPT. When the CPU
-		   temperature reaches this temperature, an interrupt is
-		   generated and tempX_max_alarm is set.
-tempX_max_hyst   - If the CPU temperature falls below than temperature,
-		   an interrupt is generated and tempX_max_alarm is reset.
-tempX_max_alarm  - Set if the temperature reaches or exceeds tempX_max.
-		   Reset if the temperature drops to or below tempX_max_hyst.
 tempX_crit	 - Maximum junction temperature (in millidegrees Celsius).
 tempX_crit_alarm - Set when Out-of-spec bit is set, never clears.
 		   Correct CPU operation is no longer guaranteed.
@@ -49,9 +42,10 @@ tempX_label	 - Contains string "Core X", where X is processor
 		   number. For Package temp, this will be "Physical id Y",
 		   where Y is the package number.
 
-The TjMax temperature is set to 85 degrees C if undocumented model specific
-register (UMSR) 0xee has bit 30 set. If not the TjMax is 100 degrees C as
-(sometimes) documented in processor datasheet.
+On CPU models which support it, TjMax is read from a model-specific register.
+On other models, it is set to an arbitrary value based on weak heuristics.
+If these heuristics don't work for you, you can pass the correct TjMax value
+as a module parameter (tjmax).
 
 Appendix A. Known TjMax lists (TBD):
 Some information comes from ark.intel.com

Documentation/networking/ip-sysctl.txt

@@ -1042,7 +1042,7 @@ conf/interface/*:
 	The functional behaviour for certain settings is different
 	depending on whether local forwarding is enabled or not.
 
-accept_ra - BOOLEAN
+accept_ra - INTEGER
 	Accept Router Advertisements; autoconfigure using them.
 
 	It also determines whether or not to transmit Router
@@ -1111,7 +1111,7 @@ dad_transmits - INTEGER
 	The amount of Duplicate Address Detection probes to send.
 	Default: 1
 
-forwarding - BOOLEAN
+forwarding - INTEGER
 	Configure interface-specific Host/Router behaviour.
 
 	Note: It is recommended to have the same setting on all

Documentation/networking/scaling.txt

@@ -27,7 +27,7 @@ applying a filter to each packet that assigns it to one of a small number
 of logical flows. Packets for each flow are steered to a separate receive
 queue, which in turn can be processed by separate CPUs. This mechanism is
 generally known as “Receive-side Scaling” (RSS). The goal of RSS and
-the other scaling techniques to increase performance uniformly.
+the other scaling techniques is to increase performance uniformly.
 Multi-queue distribution can also be used for traffic prioritization, but
 that is not the focus of these techniques.
 
@@ -186,10 +186,10 @@ are steered using plain RPS. Multiple table entries may point to the
 same CPU. Indeed, with many flows and few CPUs, it is very likely that
 a single application thread handles flows with many different flow hashes.
 
-rps_sock_table is a global flow table that contains the *desired* CPU for
-flows: the CPU that is currently processing the flow in userspace. Each
-table value is a CPU index that is updated during calls to recvmsg and
-sendmsg (specifically, inet_recvmsg(), inet_sendmsg(), inet_sendpage()
+rps_sock_flow_table is a global flow table that contains the *desired* CPU
+for flows: the CPU that is currently processing the flow in userspace.
+Each table value is a CPU index that is updated during calls to recvmsg
+and sendmsg (specifically, inet_recvmsg(), inet_sendmsg(), inet_sendpage()
 and tcp_splice_read()).
 
 When the scheduler moves a thread to a new CPU while it has outstanding
@@ -243,7 +243,7 @@ configured. The number of entries in the global flow table is set through:
 
 The number of entries in the per-queue flow table are set through:
 
- /sys/class/net/<dev>/queues/tx-<n>/rps_flow_cnt
+ /sys/class/net/<dev>/queues/rx-<n>/rps_flow_cnt
 
 == Suggested Configuration
 

Documentation/vm/transhuge.txt

@@ -123,10 +123,11 @@ be automatically shutdown if it's set to "never".
 khugepaged runs usually at low frequency so while one may not want to
 invoke defrag algorithms synchronously during the page faults, it
 should be worth invoking defrag at least in khugepaged. However it's
-also possible to disable defrag in khugepaged:
+also possible to disable defrag in khugepaged by writing 0 or enable
+defrag in khugepaged by writing 1:
 
-echo yes >/sys/kernel/mm/transparent_hugepage/khugepaged/defrag
-echo no >/sys/kernel/mm/transparent_hugepage/khugepaged/defrag
+echo 0 >/sys/kernel/mm/transparent_hugepage/khugepaged/defrag
+echo 1 >/sys/kernel/mm/transparent_hugepage/khugepaged/defrag
 
 You can also control how many pages khugepaged should scan at each
 pass:

MAINTAINERS

@@ -6382,7 +6382,6 @@ S:	Supported
 F:	arch/arm/mach-tegra
 
 TEHUTI ETHERNET DRIVER
-M:	Alexander Indenbaum <baum@tehutinetworks.net>
 M:	Andy Gospodarek <andy@greyhouse.net>
 L:	netdev@vger.kernel.org
 S:	Supported

Makefile

@@ -1,7 +1,7 @@
 VERSION = 3
 PATCHLEVEL = 1
 SUBLEVEL = 0
-EXTRAVERSION = -rc7
+EXTRAVERSION = -rc9
 NAME = "Divemaster Edition"
 
 # *DOCUMENTATION*

arch/arm/Kconfig

@@ -1283,6 +1283,20 @@ config ARM_ERRATA_364296
 	  processor into full low interrupt latency mode. ARM11MPCore
 	  is not affected.
 
+config ARM_ERRATA_764369
+	bool "ARM errata: Data cache line maintenance operation by MVA may not succeed"
+	depends on CPU_V7 && SMP
+	help
+	  This option enables the workaround for erratum 764369
+	  affecting Cortex-A9 MPCore with two or more processors (all
+	  current revisions). Under certain timing circumstances, a data
+	  cache line maintenance operation by MVA targeting an Inner
+	  Shareable memory region may fail to proceed up to either the
+	  Point of Coherency or to the Point of Unification of the
+	  system. This workaround adds a DSB instruction before the
+	  relevant cache maintenance functions and sets a specific bit
+	  in the diagnostic control register of the SCU.
+
 endmenu
 
 source "arch/arm/common/Kconfig"

arch/arm/include/asm/futex.h

@@ -25,17 +25,17 @@
 
 #ifdef CONFIG_SMP
 
-#define __futex_atomic_op(insn, ret, oldval, uaddr, oparg)	\
+#define __futex_atomic_op(insn, ret, oldval, tmp, uaddr, oparg)	\
 	smp_mb();						\
 	__asm__ __volatile__(					\
-	"1:	ldrex	%1, [%2]\n"				\
+	"1:	ldrex	%1, [%3]\n"				\
 	"	" insn "\n"					\
-	"2:	strex	%1, %0, [%2]\n"				\
-	"	teq	%1, #0\n"				\
+	"2:	strex	%2, %0, [%3]\n"				\
+	"	teq	%2, #0\n"				\
 	"	bne	1b\n"					\
 	"	mov	%0, #0\n"				\
-	__futex_atomic_ex_table("%4")				\
-	: "=&r" (ret), "=&r" (oldval)				\
+	__futex_atomic_ex_table("%5")				\
+	: "=&r" (ret), "=&r" (oldval), "=&r" (tmp)		\
 	: "r" (uaddr), "r" (oparg), "Ir" (-EFAULT)		\
 	: "cc", "memory")
 
@@ -73,14 +73,14 @@ futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr,
 #include <linux/preempt.h>
 #include <asm/domain.h>
 
-#define __futex_atomic_op(insn, ret, oldval, uaddr, oparg)	\
+#define __futex_atomic_op(insn, ret, oldval, tmp, uaddr, oparg)	\
 	__asm__ __volatile__(					\
-	"1:	" T(ldr) "	%1, [%2]\n"			\
+	"1:	" T(ldr) "	%1, [%3]\n"			\
 	"	" insn "\n"					\
-	"2:	" T(str) "	%0, [%2]\n"			\
+	"2:	" T(str) "	%0, [%3]\n"			\
 	"	mov	%0, #0\n"				\
-	__futex_atomic_ex_table("%4")				\
-	: "=&r" (ret), "=&r" (oldval)				\
+	__futex_atomic_ex_table("%5")				\
+	: "=&r" (ret), "=&r" (oldval), "=&r" (tmp)		\
 	: "r" (uaddr), "r" (oparg), "Ir" (-EFAULT)		\
 	: "cc", "memory")
 
@@ -117,7 +117,7 @@ futex_atomic_op_inuser (int encoded_op, u32 __user *uaddr)
 	int cmp = (encoded_op >> 24) & 15;
 	int oparg = (encoded_op << 8) >> 20;
 	int cmparg = (encoded_op << 20) >> 20;
-	int oldval = 0, ret;
+	int oldval = 0, ret, tmp;
 
 	if (encoded_op & (FUTEX_OP_OPARG_SHIFT << 28))
 		oparg = 1 << oparg;
@@ -129,19 +129,19 @@ futex_atomic_op_inuser (int encoded_op, u32 __user *uaddr)
 
 	switch (op) {
 	case FUTEX_OP_SET:
-		__futex_atomic_op("mov	%0, %3", ret, oldval, uaddr, oparg);
+		__futex_atomic_op("mov	%0, %4", ret, oldval, tmp, uaddr, oparg);
 		break;
 	case FUTEX_OP_ADD:
-		__futex_atomic_op("add	%0, %1, %3", ret, oldval, uaddr, oparg);
+		__futex_atomic_op("add	%0, %1, %4", ret, oldval, tmp, uaddr, oparg);
 		break;
 	case FUTEX_OP_OR:
-		__futex_atomic_op("orr	%0, %1, %3", ret, oldval, uaddr, oparg);
+		__futex_atomic_op("orr	%0, %1, %4", ret, oldval, tmp, uaddr, oparg);
 		break;
 	case FUTEX_OP_ANDN:
-		__futex_atomic_op("and	%0, %1, %3", ret, oldval, uaddr, ~oparg);
+		__futex_atomic_op("and	%0, %1, %4", ret, oldval, tmp, uaddr, ~oparg);
 		break;
 	case FUTEX_OP_XOR:
-		__futex_atomic_op("eor	%0, %1, %3", ret, oldval, uaddr, oparg);
+		__futex_atomic_op("eor	%0, %1, %4", ret, oldval, tmp, uaddr, oparg);
 		break;
 	default:
 		ret = -ENOSYS;

arch/arm/include/asm/unistd.h

@@ -478,8 +478,8 @@
 /*
  * Unimplemented (or alternatively implemented) syscalls
  */
-#define __IGNORE_fadvise64_64		1
-#define __IGNORE_migrate_pages		1
+#define __IGNORE_fadvise64_64
+#define __IGNORE_migrate_pages
 
 #endif /* __KERNEL__ */
 #endif /* __ASM_ARM_UNISTD_H */

arch/arm/kernel/smp_scu.c

@@ -13,6 +13,7 @@
 
 #include <asm/smp_scu.h>
 #include <asm/cacheflush.h>
+#include <asm/cputype.h>
 
 #define SCU_CTRL		0x00
 #define SCU_CONFIG		0x04
@@ -37,6 +38,15 @@ void __init scu_enable(void __iomem *scu_base)
 {
 	u32 scu_ctrl;
 
+#ifdef CONFIG_ARM_ERRATA_764369
+	/* Cortex-A9 only */
+	if ((read_cpuid(CPUID_ID) & 0xff0ffff0) == 0x410fc090) {
+		scu_ctrl = __raw_readl(scu_base + 0x30);
+		if (!(scu_ctrl & 1))
+			__raw_writel(scu_ctrl | 0x1, scu_base + 0x30);
+	}
+#endif
+
 	scu_ctrl = __raw_readl(scu_base + SCU_CTRL);
 	/* already enabled? */
 	if (scu_ctrl & 1)

arch/arm/kernel/vmlinux.lds.S

@@ -23,8 +23,10 @@
 
 #if defined(CONFIG_SMP_ON_UP) && !defined(CONFIG_DEBUG_SPINLOCK)
 #define ARM_EXIT_KEEP(x)	x
+#define ARM_EXIT_DISCARD(x)
 #else
 #define ARM_EXIT_KEEP(x)
+#define ARM_EXIT_DISCARD(x)	x
 #endif
 
 OUTPUT_ARCH(arm)
@@ -39,6 +41,11 @@ jiffies = jiffies_64 + 4;
 SECTIONS
 {
 	/*
+	 * XXX: The linker does not define how output sections are
+	 * assigned to input sections when there are multiple statements
+	 * matching the same input section name.  There is no documented
+	 * order of matching.
+	 *
 	 * unwind exit sections must be discarded before the rest of the
 	 * unwind sections get included.
 	 */
@@ -47,6 +54,9 @@ SECTIONS
 		*(.ARM.extab.exit.text)
 		ARM_CPU_DISCARD(*(.ARM.exidx.cpuexit.text))
 		ARM_CPU_DISCARD(*(.ARM.extab.cpuexit.text))
+		ARM_EXIT_DISCARD(EXIT_TEXT)
+		ARM_EXIT_DISCARD(EXIT_DATA)
+		EXIT_CALL
 #ifndef CONFIG_HOTPLUG
 		*(.ARM.exidx.devexit.text)
 		*(.ARM.extab.devexit.text)
@@ -58,6 +68,8 @@ SECTIONS
 #ifndef CONFIG_SMP_ON_UP
 		*(.alt.smp.init)
 #endif
+		*(.discard)
+		*(.discard.*)
 	}
 
 #ifdef CONFIG_XIP_KERNEL
@@ -279,9 +291,6 @@ SECTIONS
 
 	STABS_DEBUG
 	.comment 0 : { *(.comment) }
-
-	/* Default discards */
-	DISCARDS
 }
 
 /*

arch/arm/mach-exynos4/clock.c

@@ -899,8 +899,7 @@ static struct clksrc_clk clksrcs[] = {
 		.reg_div = { .reg = S5P_CLKDIV_CAM, .shift = 28, .size = 4 },
 	}, {
 		.clk		= {
-			.name		= "sclk_cam",
-			.devname	= "exynos4-fimc.0",
+			.name		= "sclk_cam0",
 			.enable		= exynos4_clksrc_mask_cam_ctrl,
 			.ctrlbit	= (1 << 16),
 		},
@@ -909,8 +908,7 @@ static struct clksrc_clk clksrcs[] = {
 		.reg_div = { .reg = S5P_CLKDIV_CAM, .shift = 16, .size = 4 },
 	}, {
 		.clk		= {
-			.name		= "sclk_cam",
-			.devname	= "exynos4-fimc.1",
+			.name		= "sclk_cam1",
 			.enable		= exynos4_clksrc_mask_cam_ctrl,
 			.ctrlbit	= (1 << 20),
 		},

arch/arm/mach-s3c2443/clock.c

@@ -128,7 +128,7 @@ static int s3c2443_armclk_setrate(struct clk *clk, unsigned long rate)
 		unsigned long clkcon0;
 
 		clkcon0 = __raw_readl(S3C2443_CLKDIV0);
-		clkcon0 &= S3C2443_CLKDIV0_ARMDIV_MASK;
+		clkcon0 &= ~S3C2443_CLKDIV0_ARMDIV_MASK;
 		clkcon0 |= val << S3C2443_CLKDIV0_ARMDIV_SHIFT;
 		__raw_writel(clkcon0, S3C2443_CLKDIV0);
 	}

arch/arm/mach-s5pv210/clock.c

@@ -815,8 +815,7 @@ static struct clksrc_clk clksrcs[] = {
 		.reg_div = { .reg = S5P_CLK_DIV3, .shift = 20, .size = 4 },
 	}, {
 		.clk		= {
-			.name		= "sclk_cam",
-			.devname	= "s5pv210-fimc.0",
+			.name		= "sclk_cam0",
 			.enable		= s5pv210_clk_mask0_ctrl,
 			.ctrlbit	= (1 << 3),
 		},
@@ -825,8 +824,7 @@ static struct clksrc_clk clksrcs[] = {
 		.reg_div = { .reg = S5P_CLK_DIV1, .shift = 12, .size = 4 },
 	}, {
 		.clk		= {
-			.name		= "sclk_cam",
-			.devname	= "s5pv210-fimc.1",
+			.name		= "sclk_cam1",
 			.enable		= s5pv210_clk_mask0_ctrl,
 			.ctrlbit	= (1 << 4),
 		},

arch/arm/mm/cache-v7.S

@@ -174,6 +174,10 @@ ENTRY(v7_coherent_user_range)
 	dcache_line_size r2, r3
 	sub	r3, r2, #1
 	bic	r12, r0, r3
+#ifdef CONFIG_ARM_ERRATA_764369
+	ALT_SMP(W(dsb))
+	ALT_UP(W(nop))
+#endif
 1:
  USER(	mcr	p15, 0, r12, c7, c11, 1	)	@ clean D line to the point of unification
 	add	r12, r12, r2
@@ -223,6 +227,10 @@ ENTRY(v7_flush_kern_dcache_area)
 	add	r1, r0, r1
 	sub	r3, r2, #1
 	bic	r0, r0, r3
+#ifdef CONFIG_ARM_ERRATA_764369
+	ALT_SMP(W(dsb))
+	ALT_UP(W(nop))
+#endif
 1:
 	mcr	p15, 0, r0, c7, c14, 1		@ clean & invalidate D line / unified line
 	add	r0, r0, r2
@@ -247,6 +255,10 @@ v7_dma_inv_range:
 	sub	r3, r2, #1
 	tst	r0, r3
 	bic	r0, r0, r3
+#ifdef CONFIG_ARM_ERRATA_764369
+	ALT_SMP(W(dsb))
+	ALT_UP(W(nop))
+#endif
 	mcrne	p15, 0, r0, c7, c14, 1		@ clean & invalidate D / U line
 
 	tst	r1, r3
@@ -270,6 +282,10 @@ v7_dma_clean_range:
 	dcache_line_size r2, r3
 	sub	r3, r2, #1
 	bic	r0, r0, r3
+#ifdef CONFIG_ARM_ERRATA_764369
+	ALT_SMP(W(dsb))
+	ALT_UP(W(nop))
+#endif
 1:
 	mcr	p15, 0, r0, c7, c10, 1		@ clean D / U line
 	add	r0, r0, r2
@@ -288,6 +304,10 @@ ENTRY(v7_dma_flush_range)
 	dcache_line_size r2, r3
 	sub	r3, r2, #1
 	bic	r0, r0, r3
+#ifdef CONFIG_ARM_ERRATA_764369
+	ALT_SMP(W(dsb))
+	ALT_UP(W(nop))
+#endif
 1:
 	mcr	p15, 0, r0, c7, c14, 1		@ clean & invalidate D / U line
 	add	r0, r0, r2

arch/arm/mm/dma-mapping.c

@@ -324,6 +324,8 @@ __dma_alloc(struct device *dev, size_t size, dma_addr_t *handle, gfp_t gfp,
 
 	if (addr)
 		*handle = pfn_to_dma(dev, page_to_pfn(page));
+	else
+		__dma_free_buffer(page, size);
 
 	return addr;
 }

arch/arm/plat-s5p/irq-gpioint.c

@@ -114,18 +114,19 @@ static __init int s5p_gpioint_add(struct s3c_gpio_chip *chip)
 {
 	static int used_gpioint_groups = 0;
 	int group = chip->group;
-	struct s5p_gpioint_bank *bank = NULL;
+	struct s5p_gpioint_bank *b, *bank = NULL;
 	struct irq_chip_generic *gc;
 	struct irq_chip_type *ct;
 
 	if (used_gpioint_groups >= S5P_GPIOINT_GROUP_COUNT)
 		return -ENOMEM;
 
-	list_for_each_entry(bank, &banks, list) {
-		if (group >= bank->start &&
-		    group < bank->start + bank->nr_groups)
+	list_for_each_entry(b, &banks, list) {
+		if (group >= b->start && group < b->start + b->nr_groups) {
+			bank = b;
 			break;
 		}
+	}
 	if (!bank)
 		return -EINVAL;
 

arch/powerpc/platforms/powermac/pci.c

@@ -561,6 +561,20 @@ static struct pci_ops u4_pcie_pci_ops =
 	.write = u4_pcie_write_config,
 };
 
+static void __devinit pmac_pci_fixup_u4_of_node(struct pci_dev *dev)
+{
+	/* Apple's device-tree "hides" the root complex virtual P2P bridge
+	 * on U4. However, Linux sees it, causing the PCI <-> OF matching
+	 * code to fail to properly match devices below it. This works around
+	 * it by setting the node of the bridge to point to the PHB node,
+	 * which is not entirely correct but fixes the matching code and
+	 * doesn't break anything else. It's also the simplest possible fix.
+	 */
+	if (dev->dev.of_node == NULL)
+		dev->dev.of_node = pcibios_get_phb_of_node(dev->bus);
+}
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_APPLE, 0x5b, pmac_pci_fixup_u4_of_node);
+
 #endif /* CONFIG_PPC64 */
 
 #ifdef CONFIG_PPC32

arch/s390/include/asm/elf.h

@@ -188,7 +188,8 @@ extern char elf_platform[];
 #define SET_PERSONALITY(ex)					\
 do {								\
 	if (personality(current->personality) != PER_LINUX32)	\
-		set_personality(PER_LINUX);			\
+		set_personality(PER_LINUX |			\
+			(current->personality & ~PER_MASK));	\
 	if ((ex).e_ident[EI_CLASS] == ELFCLASS32)		\
 		set_thread_flag(TIF_31BIT);			\
 	else							\

arch/s390/include/asm/pgtable.h

@@ -658,12 +658,14 @@ static inline void pgste_set_pte(pte_t *ptep, pgste_t pgste)
  * struct gmap_struct - guest address space
  * @mm: pointer to the parent mm_struct
  * @table: pointer to the page directory
+ * @asce: address space control element for gmap page table
  * @crst_list: list of all crst tables used in the guest address space
  */
 struct gmap {
 	struct list_head list;
 	struct mm_struct *mm;
 	unsigned long *table;
+	unsigned long asce;
 	struct list_head crst_list;
 };