Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6

25 files changed, 348 insertions, 91 deletions

diff --git a/include/Kbuild b/include/Kbuild
index bdca155028e..d8c3e3cbf41 100644
--- a/include/Kbuild
+++ b/include/Kbuild
@@ -1,3 +1,6 @@
+# Top-level Makefile calls into asm-$(ARCH)
+# List only non-arch directories below
+
 header-y += asm-generic/
 header-y += linux/
 header-y += sound/
@@ -5,5 +8,3 @@ header-y += mtd/
 header-y += rdma/
 header-y += video/
 header-y += drm/
-
-header-y += asm-$(ARCH)/
diff --git a/include/asm-arm/arch-pnx4008/irqs.h b/include/asm-arm/arch-pnx4008/irqs.h
index 13ec7ed0f50..a25d18f2d87 100644
--- a/include/asm-arm/arch-pnx4008/irqs.h
+++ b/include/asm-arm/arch-pnx4008/irqs.h
@@ -135,30 +135,30 @@
 
 #define PNX4008_IRQ_TYPES \
 {                                           /*IRQ #'s: */         \
-IRQT_LOW,  IRQT_LOW,  IRQT_LOW,  IRQT_HIGH, /*  0, 1, 2, 3 */     \
-IRQT_LOW,  IRQT_HIGH, IRQT_HIGH, IRQT_HIGH, /*  4, 5, 6, 7 */     \
-IRQT_HIGH, IRQT_HIGH, IRQT_HIGH, IRQT_HIGH, /*  8, 9,10,11 */     \
-IRQT_LOW,  IRQT_HIGH, IRQT_HIGH, IRQT_HIGH, /* 12,13,14,15 */     \
-IRQT_HIGH, IRQT_HIGH, IRQT_HIGH, IRQT_HIGH, /* 16,17,18,19 */     \
-IRQT_HIGH, IRQT_HIGH, IRQT_HIGH, IRQT_HIGH, /* 20,21,22,23 */     \
-IRQT_HIGH, IRQT_HIGH, IRQT_HIGH, IRQT_HIGH, /* 24,25,26,27 */     \
-IRQT_HIGH, IRQT_HIGH, IRQT_LOW,  IRQT_LOW,  /* 28,29,30,31 */     \
-IRQT_HIGH, IRQT_LOW,  IRQT_HIGH, IRQT_HIGH, /* 32,33,34,35 */     \
-IRQT_HIGH, IRQT_HIGH, IRQT_FALLING, IRQT_HIGH, /* 36,37,38,39 */  \
-IRQT_HIGH, IRQT_HIGH, IRQT_HIGH, IRQT_HIGH, /* 40,41,42,43 */     \
-IRQT_HIGH, IRQT_HIGH, IRQT_HIGH, IRQT_HIGH, /* 44,45,46,47 */     \
-IRQT_HIGH, IRQT_HIGH, IRQT_LOW,  IRQT_LOW,  /* 48,49,50,51 */     \
-IRQT_HIGH, IRQT_HIGH, IRQT_HIGH, IRQT_HIGH, /* 52,53,54,55 */     \
-IRQT_HIGH, IRQT_HIGH, IRQT_LOW,  IRQT_HIGH, /* 56,57,58,59 */     \
-IRQT_HIGH, IRQT_HIGH, IRQT_HIGH, IRQT_HIGH, /* 60,61,62,63 */     \
-IRQT_HIGH, IRQT_HIGH, IRQT_HIGH, IRQT_HIGH, /* 64,65,66,67 */     \
-IRQT_HIGH, IRQT_HIGH, IRQT_HIGH, IRQT_HIGH, /* 68,69,70,71 */     \
-IRQT_HIGH, IRQT_HIGH, IRQT_HIGH, IRQT_HIGH, /* 72,73,74,75 */     \
-IRQT_HIGH, IRQT_HIGH, IRQT_HIGH, IRQT_HIGH, /* 76,77,78,79 */     \
-IRQT_HIGH, IRQT_HIGH, IRQT_HIGH, IRQT_HIGH, /* 80,81,82,83 */     \
-IRQT_HIGH, IRQT_HIGH, IRQT_HIGH, IRQT_HIGH, /* 84,85,86,87 */     \
-IRQT_HIGH, IRQT_HIGH, IRQT_HIGH, IRQT_HIGH, /* 88,89,90,91 */     \
-IRQT_HIGH, IRQT_HIGH, IRQT_HIGH, IRQT_HIGH, /* 92,93,94,95 */     \
+IRQ_TYPE_LEVEL_LOW,  IRQ_TYPE_LEVEL_LOW,  IRQ_TYPE_LEVEL_LOW,  IRQ_TYPE_LEVEL_HIGH, /*  0, 1, 2, 3 */     \
+IRQ_TYPE_LEVEL_LOW,  IRQ_TYPE_LEVEL_HIGH, IRQ_TYPE_LEVEL_HIGH, IRQ_TYPE_LEVEL_HIGH, /*  4, 5, 6, 7 */     \
+IRQ_TYPE_LEVEL_HIGH, IRQ_TYPE_LEVEL_HIGH, IRQ_TYPE_LEVEL_HIGH, IRQ_TYPE_LEVEL_HIGH, /*  8, 9,10,11 */     \
+IRQ_TYPE_LEVEL_LOW,  IRQ_TYPE_LEVEL_HIGH, IRQ_TYPE_LEVEL_HIGH, IRQ_TYPE_LEVEL_HIGH, /* 12,13,14,15 */     \
+IRQ_TYPE_LEVEL_HIGH, IRQ_TYPE_LEVEL_HIGH, IRQ_TYPE_LEVEL_HIGH, IRQ_TYPE_LEVEL_HIGH, /* 16,17,18,19 */     \
+IRQ_TYPE_LEVEL_HIGH, IRQ_TYPE_LEVEL_HIGH, IRQ_TYPE_LEVEL_HIGH, IRQ_TYPE_LEVEL_HIGH, /* 20,21,22,23 */     \
+IRQ_TYPE_LEVEL_HIGH, IRQ_TYPE_LEVEL_HIGH, IRQ_TYPE_LEVEL_HIGH, IRQ_TYPE_LEVEL_HIGH, /* 24,25,26,27 */     \
+IRQ_TYPE_LEVEL_HIGH, IRQ_TYPE_LEVEL_HIGH, IRQ_TYPE_LEVEL_LOW,  IRQ_TYPE_LEVEL_LOW,  /* 28,29,30,31 */     \
+IRQ_TYPE_LEVEL_HIGH, IRQ_TYPE_LEVEL_LOW,  IRQ_TYPE_LEVEL_HIGH, IRQ_TYPE_LEVEL_HIGH, /* 32,33,34,35 */     \
+IRQ_TYPE_LEVEL_HIGH, IRQ_TYPE_LEVEL_HIGH, IRQ_TYPE_EDGE_FALLING, IRQ_TYPE_LEVEL_HIGH, /* 36,37,38,39 */  \
+IRQ_TYPE_LEVEL_HIGH, IRQ_TYPE_LEVEL_HIGH, IRQ_TYPE_LEVEL_HIGH, IRQ_TYPE_LEVEL_HIGH, /* 40,41,42,43 */     \
+IRQ_TYPE_LEVEL_HIGH, IRQ_TYPE_LEVEL_HIGH, IRQ_TYPE_LEVEL_HIGH, IRQ_TYPE_LEVEL_HIGH, /* 44,45,46,47 */     \
+IRQ_TYPE_LEVEL_HIGH, IRQ_TYPE_LEVEL_HIGH, IRQ_TYPE_LEVEL_LOW,  IRQ_TYPE_LEVEL_LOW,  /* 48,49,50,51 */     \
+IRQ_TYPE_LEVEL_HIGH, IRQ_TYPE_LEVEL_HIGH, IRQ_TYPE_LEVEL_HIGH, IRQ_TYPE_LEVEL_HIGH, /* 52,53,54,55 */     \
+IRQ_TYPE_LEVEL_HIGH, IRQ_TYPE_LEVEL_HIGH, IRQ_TYPE_LEVEL_LOW,  IRQ_TYPE_LEVEL_HIGH, /* 56,57,58,59 */     \
+IRQ_TYPE_LEVEL_HIGH, IRQ_TYPE_LEVEL_HIGH, IRQ_TYPE_LEVEL_HIGH, IRQ_TYPE_LEVEL_HIGH, /* 60,61,62,63 */     \
+IRQ_TYPE_LEVEL_HIGH, IRQ_TYPE_LEVEL_HIGH, IRQ_TYPE_LEVEL_HIGH, IRQ_TYPE_LEVEL_HIGH, /* 64,65,66,67 */     \
+IRQ_TYPE_LEVEL_HIGH, IRQ_TYPE_LEVEL_HIGH, IRQ_TYPE_LEVEL_HIGH, IRQ_TYPE_LEVEL_HIGH, /* 68,69,70,71 */     \
+IRQ_TYPE_LEVEL_HIGH, IRQ_TYPE_LEVEL_HIGH, IRQ_TYPE_LEVEL_HIGH, IRQ_TYPE_LEVEL_HIGH, /* 72,73,74,75 */     \
+IRQ_TYPE_LEVEL_HIGH, IRQ_TYPE_LEVEL_HIGH, IRQ_TYPE_LEVEL_HIGH, IRQ_TYPE_LEVEL_HIGH, /* 76,77,78,79 */     \
+IRQ_TYPE_LEVEL_HIGH, IRQ_TYPE_LEVEL_HIGH, IRQ_TYPE_LEVEL_HIGH, IRQ_TYPE_LEVEL_HIGH, /* 80,81,82,83 */     \
+IRQ_TYPE_LEVEL_HIGH, IRQ_TYPE_LEVEL_HIGH, IRQ_TYPE_LEVEL_HIGH, IRQ_TYPE_LEVEL_HIGH, /* 84,85,86,87 */     \
+IRQ_TYPE_LEVEL_HIGH, IRQ_TYPE_LEVEL_HIGH, IRQ_TYPE_LEVEL_HIGH, IRQ_TYPE_LEVEL_HIGH, /* 88,89,90,91 */     \
+IRQ_TYPE_LEVEL_HIGH, IRQ_TYPE_LEVEL_HIGH, IRQ_TYPE_LEVEL_HIGH, IRQ_TYPE_LEVEL_HIGH, /* 92,93,94,95 */     \
 }
 
 /* Start Enable Pin Interrupts - table 58 page 66 */
diff --git a/include/asm-arm/arch-pxa/idp.h b/include/asm-arm/arch-pxa/idp.h
index b6952534a4e..21aa8ac35c1 100644
--- a/include/asm-arm/arch-pxa/idp.h
+++ b/include/asm-arm/arch-pxa/idp.h
@@ -138,18 +138,18 @@
 #define TOUCH_PANEL_IRQ			IRQ_GPIO(5)
 #define IDE_IRQ				IRQ_GPIO(21)
 
-#define TOUCH_PANEL_IRQ_EDGE		IRQT_FALLING
+#define TOUCH_PANEL_IRQ_EDGE		IRQ_TYPE_EDGE_FALLING
 
 #define ETHERNET_IRQ			IRQ_GPIO(4)
-#define ETHERNET_IRQ_EDGE		IRQT_RISING
+#define ETHERNET_IRQ_EDGE		IRQ_TYPE_EDGE_RISING
 
-#define IDE_IRQ_EDGE			IRQT_RISING
+#define IDE_IRQ_EDGE			IRQ_TYPE_EDGE_RISING
 
 #define PCMCIA_S0_CD_VALID		IRQ_GPIO(7)
-#define PCMCIA_S0_CD_VALID_EDGE		IRQT_BOTHEDGE
+#define PCMCIA_S0_CD_VALID_EDGE		IRQ_TYPE_EDGE_BOTH
 
 #define PCMCIA_S1_CD_VALID		IRQ_GPIO(8)
-#define PCMCIA_S1_CD_VALID_EDGE		IRQT_BOTHEDGE
+#define PCMCIA_S1_CD_VALID_EDGE		IRQ_TYPE_EDGE_BOTH
 
 #define PCMCIA_S0_RDYINT		IRQ_GPIO(19)
 #define PCMCIA_S1_RDYINT		IRQ_GPIO(22)
diff --git a/include/asm-arm/arch-pxa/pcm990_baseboard.h b/include/asm-arm/arch-pxa/pcm990_baseboard.h
index b699d0d7bdb..2e201317906 100644
--- a/include/asm-arm/arch-pxa/pcm990_baseboard.h
+++ b/include/asm-arm/arch-pxa/pcm990_baseboard.h
@@ -29,14 +29,14 @@
 /* CPLD's interrupt controller is connected to PCM-027 GPIO 9 */
 #define PCM990_CTRL_INT_IRQ_GPIO	9
 #define PCM990_CTRL_INT_IRQ		IRQ_GPIO(PCM990_CTRL_INT_IRQ_GPIO)
-#define PCM990_CTRL_INT_IRQ_EDGE	IRQT_RISING
+#define PCM990_CTRL_INT_IRQ_EDGE	IRQ_TYPE_EDGE_RISING
 #define PCM990_CTRL_PHYS		PXA_CS1_PHYS	/* 16-Bit */
 #define PCM990_CTRL_BASE		0xea000000
 #define PCM990_CTRL_SIZE		(1*1024*1024)
 
 #define PCM990_CTRL_PWR_IRQ_GPIO	14
 #define PCM990_CTRL_PWR_IRQ		IRQ_GPIO(PCM990_CTRL_PWR_IRQ_GPIO)
-#define PCM990_CTRL_PWR_IRQ_EDGE	IRQT_RISING
+#define PCM990_CTRL_PWR_IRQ_EDGE	IRQ_TYPE_EDGE_RISING
 
 /* visible CPLD (U7) registers */
 #define PCM990_CTRL_REG0	0x0000	/* RESET REGISTER */
@@ -133,7 +133,7 @@
  */
 #define PCM990_IDE_IRQ_GPIO	13
 #define PCM990_IDE_IRQ		IRQ_GPIO(PCM990_IDE_IRQ_GPIO)
-#define PCM990_IDE_IRQ_EDGE	IRQT_RISING
+#define PCM990_IDE_IRQ_EDGE	IRQ_TYPE_EDGE_RISING
 #define PCM990_IDE_PLD_PHYS	0x20000000	/* 16 bit wide */
 #define PCM990_IDE_PLD_BASE	0xee000000
 #define PCM990_IDE_PLD_SIZE	(1*1024*1024)
@@ -189,11 +189,11 @@
  */
 #define PCM990_CF_IRQ_GPIO	11
 #define PCM990_CF_IRQ		IRQ_GPIO(PCM990_CF_IRQ_GPIO)
-#define PCM990_CF_IRQ_EDGE	IRQT_RISING
+#define PCM990_CF_IRQ_EDGE	IRQ_TYPE_EDGE_RISING
 
 #define PCM990_CF_CD_GPIO	12
 #define PCM990_CF_CD		IRQ_GPIO(PCM990_CF_CD_GPIO)
-#define PCM990_CF_CD_EDGE	IRQT_RISING
+#define PCM990_CF_CD_EDGE	IRQ_TYPE_EDGE_RISING
 
 #define PCM990_CF_PLD_PHYS	0x30000000	/* 16 bit wide */
 #define PCM990_CF_PLD_BASE	0xef000000
@@ -259,14 +259,14 @@
  */
 #define PCM990_AC97_IRQ_GPIO	10
 #define PCM990_AC97_IRQ		IRQ_GPIO(PCM990_AC97_IRQ_GPIO)
-#define PCM990_AC97_IRQ_EDGE	IRQT_RISING
+#define PCM990_AC97_IRQ_EDGE	IRQ_TYPE_EDGE_RISING
 
 /*
  * MMC phyCORE
  */
 #define PCM990_MMC0_IRQ_GPIO	9
 #define PCM990_MMC0_IRQ		IRQ_GPIO(PCM990_MMC0_IRQ_GPIO)
-#define PCM990_MMC0_IRQ_EDGE	IRQT_FALLING
+#define PCM990_MMC0_IRQ_EDGE	IRQ_TYPE_EDGE_FALLING
 
 /*
  * USB phyCore
diff --git a/include/asm-arm/arch-pxa/pxa25x-udc.h b/include/asm-arm/arch-pxa/pxa25x-udc.h
index 840305916b6..1b80a4805a6 100644
--- a/include/asm-arm/arch-pxa/pxa25x-udc.h
+++ b/include/asm-arm/arch-pxa/pxa25x-udc.h
@@ -2,7 +2,7 @@
 #define _ASM_ARCH_PXA25X_UDC_H
 
 #ifdef _ASM_ARCH_PXA27X_UDC_H
-#error You can't include both PXA25x and PXA27x UDC support
+#error "You can't include both PXA25x and PXA27x UDC support"
 #endif
 
 #define UDC_RES1	__REG(0x40600004)  /* UDC Undocumented - Reserved1 */
diff --git a/include/asm-arm/arch-sa1100/ide.h b/include/asm-arm/arch-sa1100/ide.h
index b14cbda01dc..193f6c15f4d 100644
--- a/include/asm-arm/arch-sa1100/ide.h
+++ b/include/asm-arm/arch-sa1100/ide.h
@@ -61,7 +61,7 @@ ide_init_default_hwifs(void)
 
         /* Enable GPIO as interrupt line */
         GPDR &= ~LART_GPIO_IDE;
-	set_irq_type(LART_IRQ_IDE, IRQT_RISING);
+	set_irq_type(LART_IRQ_IDE, IRQ_TYPE_EDGE_RISING);
 
         /* set PCMCIA interface timing */
         MECR = 0x00060006;
diff --git a/include/asm-arm/bitops.h b/include/asm-arm/bitops.h
index 5c60bfc1a84..9a1db20e032 100644
--- a/include/asm-arm/bitops.h
+++ b/include/asm-arm/bitops.h
@@ -277,9 +277,16 @@ static inline int constant_fls(int x)
  * the clz instruction for much better code efficiency.
  */
 
-#define fls(x) \
+#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);
+}
+
 #define ffs(x) ({ unsigned long __t = (x); fls(__t & -__t); })
 #define __ffs(x) (ffs(x) - 1)
 #define ffz(x) __ffs( ~(x) )
diff --git a/include/asm-arm/cacheflush.h b/include/asm-arm/cacheflush.h
index 03cf1ee977b..e68a1cbcc85 100644
--- a/include/asm-arm/cacheflush.h
+++ b/include/asm-arm/cacheflush.h
@@ -459,15 +459,19 @@ static inline void flush_ioremap_region(unsigned long phys, void __iomem *virt,
 #define __cacheid_vivt_asid_tagged_instr(val)	(__cacheid_type_v7(val) ? ((val & (3 << 14)) == (1 << 14)) : 0)
 
 #if defined(CONFIG_CPU_CACHE_VIVT) && !defined(CONFIG_CPU_CACHE_VIPT)
-
+/*
+ * VIVT caches only
+ */
 #define cache_is_vivt()			1
 #define cache_is_vipt()			0
 #define cache_is_vipt_nonaliasing()	0
 #define cache_is_vipt_aliasing()	0
 #define icache_is_vivt_asid_tagged()	0
 
-#elif defined(CONFIG_CPU_CACHE_VIPT)
-
+#elif !defined(CONFIG_CPU_CACHE_VIVT) && defined(CONFIG_CPU_CACHE_VIPT)
+/*
+ * VIPT caches only
+ */
 #define cache_is_vivt()			0
 #define cache_is_vipt()			1
 #define cache_is_vipt_nonaliasing()					\
@@ -489,7 +493,12 @@ static inline void flush_ioremap_region(unsigned long phys, void __iomem *virt,
 	})
 
 #else
-
+/*
+ * VIVT or VIPT caches.  Note that this is unreliable since ARM926
+ * and V6 CPUs satisfy the "(val & (15 << 25)) == (14 << 25)" test.
+ * There's no way to tell from the CacheType register what type (!)
+ * the cache is.
+ */
 #define cache_is_vivt()							\
 	({								\
 		unsigned int __val = read_cpuid(CPUID_CACHETYPE);	\
diff --git a/include/asm-arm/irq.h b/include/asm-arm/irq.h
index 1b882a255e3..9cb01907e43 100644
--- a/include/asm-arm/irq.h
+++ b/include/asm-arm/irq.h
@@ -19,23 +19,6 @@
 #define NO_IRQ	((unsigned int)(-1))
 #endif
 
-
-/*
- * Migration helpers
- */
-#define __IRQT_FALEDGE	IRQ_TYPE_EDGE_FALLING
-#define __IRQT_RISEDGE	IRQ_TYPE_EDGE_RISING
-#define __IRQT_LOWLVL	IRQ_TYPE_LEVEL_LOW
-#define __IRQT_HIGHLVL	IRQ_TYPE_LEVEL_HIGH
-
-#define IRQT_NOEDGE	(0)
-#define IRQT_RISING	(__IRQT_RISEDGE)
-#define IRQT_FALLING	(__IRQT_FALEDGE)
-#define IRQT_BOTHEDGE	(__IRQT_RISEDGE|__IRQT_FALEDGE)
-#define IRQT_LOW	(__IRQT_LOWLVL)
-#define IRQT_HIGH	(__IRQT_HIGHLVL)
-#define IRQT_PROBE	IRQ_TYPE_PROBE
-
 #ifndef __ASSEMBLY__
 struct irqaction;
 extern void migrate_irqs(void);
diff --git a/include/asm-arm/pci.h b/include/asm-arm/pci.h
index 75feb1574a6..2d84792f2e1 100644
--- a/include/asm-arm/pci.h
+++ b/include/asm-arm/pci.h
@@ -78,6 +78,14 @@ pcibios_select_root(struct pci_dev *pdev, struct resource *res)
 	return root;
 }
 
+/*
+ * Dummy implementation; always return 0.
+ */
+static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel)
+{
+	return 0;
+}
+
 #endif /* __KERNEL__ */
  
 #endif
diff --git a/include/asm-avr32/arch-at32ap/board.h b/include/asm-avr32/arch-at32ap/board.h
index 893aa6d0cd1..e60e9076544 100644
--- a/include/asm-avr32/arch-at32ap/board.h
+++ b/include/asm-avr32/arch-at32ap/board.h
@@ -82,7 +82,15 @@ struct mci_platform_data;
 struct platform_device *
 at32_add_device_mci(unsigned int id, struct mci_platform_data *data);
 
-struct platform_device *at32_add_device_ac97c(unsigned int id);
+struct ac97c_platform_data {
+	unsigned short dma_rx_periph_id;
+	unsigned short dma_tx_periph_id;
+	unsigned short dma_controller_id;
+	int reset_pin;
+};
+struct platform_device *
+at32_add_device_ac97c(unsigned int id, struct ac97c_platform_data *data);
+
 struct platform_device *at32_add_device_abdac(unsigned int id);
 struct platform_device *at32_add_device_psif(unsigned int id);
 
diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h
index 9cd44b162ba..6d88a923c94 100644
--- a/include/asm-generic/vmlinux.lds.h
+++ b/include/asm-generic/vmlinux.lds.h
@@ -221,6 +221,7 @@
  * during second ld run in second ld pass when generating System.map */
 #define TEXT_TEXT							\
 		ALIGN_FUNCTION();					\
+		*(.text.hot)						\
 		*(.text)						\
 		*(.ref.text)						\
 		*(.text.init.refok)					\
@@ -230,7 +231,8 @@
 	CPU_KEEP(init.text)						\
 	CPU_KEEP(exit.text)						\
 	MEM_KEEP(init.text)						\
-	MEM_KEEP(exit.text)
+	MEM_KEEP(exit.text)						\
+		*(.text.unlikely)
 
 
 /* sched.text is aling to function alignment to secure we have same
diff --git a/include/asm-powerpc/kvm_ppc.h b/include/asm-powerpc/kvm_ppc.h
index 5a21115228a..a8b06879226 100644
--- a/include/asm-powerpc/kvm_ppc.h
+++ b/include/asm-powerpc/kvm_ppc.h
@@ -61,7 +61,8 @@ extern int kvmppc_emulate_mmio(struct kvm_run *run, struct kvm_vcpu *vcpu);
 
 extern void kvmppc_mmu_map(struct kvm_vcpu *vcpu, u64 gvaddr, gfn_t gfn,
                            u64 asid, u32 flags);
-extern void kvmppc_mmu_invalidate(struct kvm_vcpu *vcpu, u64 eaddr, u64 asid);
+extern void kvmppc_mmu_invalidate(struct kvm_vcpu *vcpu, gva_t eaddr,
+                                  gva_t eend, u32 asid);
 extern void kvmppc_mmu_priv_switch(struct kvm_vcpu *vcpu, int usermode);
 
 extern void kvmppc_check_and_deliver_interrupts(struct kvm_vcpu *vcpu);
diff --git a/include/asm-s390/kvm_host.h b/include/asm-s390/kvm_host.h
index 3234dd5b351..3c55e4107dc 100644
--- a/include/asm-s390/kvm_host.h
+++ b/include/asm-s390/kvm_host.h
@@ -111,7 +111,7 @@ struct kvm_vcpu_stat {
 	u32 exit_validity;
 	u32 exit_instruction;
 	u32 instruction_lctl;
-	u32 instruction_lctg;
+	u32 instruction_lctlg;
 	u32 exit_program_interruption;
 	u32 exit_instr_and_program;
 	u32 deliver_emergency_signal;
@@ -231,5 +231,5 @@ struct kvm_arch{
 	struct kvm_s390_float_interrupt float_int;
 };
 
-extern int sie64a(struct kvm_s390_sie_block *, __u64 *);
+extern int sie64a(struct kvm_s390_sie_block *, unsigned long *);
 #endif
diff --git a/include/asm-x86/kvm_host.h b/include/asm-x86/kvm_host.h
index fdde0bedaa9..bc34dc21f17 100644
--- a/include/asm-x86/kvm_host.h
+++ b/include/asm-x86/kvm_host.h
@@ -556,6 +556,7 @@ int kvm_fix_hypercall(struct kvm_vcpu *vcpu);
 int kvm_mmu_page_fault(struct kvm_vcpu *vcpu, gva_t gva, u32 error_code);
 
 void kvm_enable_tdp(void);
+void kvm_disable_tdp(void);
 
 int load_pdptrs(struct kvm_vcpu *vcpu, unsigned long cr3);
 int complete_pio(struct kvm_vcpu *vcpu);
diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
index ffe479ba077..35a78415acc 100644
--- a/include/linux/pci_ids.h
+++ b/include/linux/pci_ids.h
@@ -748,6 +748,7 @@
 #define PCI_VENDOR_ID_TI		0x104c
 #define PCI_DEVICE_ID_TI_TVP4020	0x3d07
 #define PCI_DEVICE_ID_TI_4450		0x8011
+#define PCI_DEVICE_ID_TI_TSB43AB22	0x8023
 #define PCI_DEVICE_ID_TI_XX21_XX11	0x8031
 #define PCI_DEVICE_ID_TI_XX21_XX11_FM	0x8033
 #define PCI_DEVICE_ID_TI_XX21_XX11_SD	0x8034
diff --git a/include/linux/sched.h b/include/linux/sched.h
index f59318a0099..5270d449ff9 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -505,9 +505,6 @@ struct signal_struct {
 	unsigned long nvcsw, nivcsw, cnvcsw, cnivcsw;
 	unsigned long min_flt, maj_flt, cmin_flt, cmaj_flt;
 	unsigned long inblock, oublock, cinblock, coublock;
-#ifdef CONFIG_TASK_XACCT
-	u64 rchar, wchar, syscr, syscw;
-#endif
 	struct task_io_accounting ioac;
 
 	/*
@@ -1256,10 +1253,6 @@ struct task_struct {
 
 	unsigned long ptrace_message;
 	siginfo_t *last_siginfo; /* For ptrace use.  */
-#ifdef CONFIG_TASK_XACCT
-/* i/o counters(bytes read/written, #syscalls */
-	u64 rchar, wchar, syscr, syscw;
-#endif
 	struct task_io_accounting ioac;
 #if defined(CONFIG_TASK_XACCT)
 	u64 acct_rss_mem1;	/* accumulated rss usage */
@@ -2190,22 +2183,22 @@ extern long sched_group_rt_period(struct task_group *tg);
 #ifdef CONFIG_TASK_XACCT
 static inline void add_rchar(struct task_struct *tsk, ssize_t amt)
 {
-	tsk->rchar += amt;
+	tsk->ioac.rchar += amt;
 }
 
 static inline void add_wchar(struct task_struct *tsk, ssize_t amt)
 {
-	tsk->wchar += amt;
+	tsk->ioac.wchar += amt;
 }
 
 static inline void inc_syscr(struct task_struct *tsk)
 {
-	tsk->syscr++;
+	tsk->ioac.syscr++;
 }
 
 static inline void inc_syscw(struct task_struct *tsk)
 {
-	tsk->syscw++;
+	tsk->ioac.syscw++;
 }
 #else
 static inline void add_rchar(struct task_struct *tsk, ssize_t amt)
diff --git a/include/linux/task_io_accounting.h b/include/linux/task_io_accounting.h
index 44d00e9ccee..5e88afc9a2f 100644
--- a/include/linux/task_io_accounting.h
+++ b/include/linux/task_io_accounting.h
@@ -8,8 +8,19 @@
  * Blame akpm@osdl.org for all this.
  */
 
-#ifdef CONFIG_TASK_IO_ACCOUNTING
 struct task_io_accounting {
+#ifdef CONFIG_TASK_XACCT
+	/* bytes read */
+	u64 rchar;
+	/*  bytes written */
+	u64 wchar;
+	/* # of read syscalls */
+	u64 syscr;
+	/* # of write syscalls */
+	u64 syscw;
+#endif /* CONFIG_TASK_XACCT */
+
+#ifdef CONFIG_TASK_IO_ACCOUNTING
 	/*
 	 * The number of bytes which this task has caused to be read from
 	 * storage.
@@ -30,8 +41,5 @@ struct task_io_accounting {
 	 * information loss in doing that.
 	 */
 	u64 cancelled_write_bytes;
+#endif /* CONFIG_TASK_IO_ACCOUNTING */
 };
-#else
-struct task_io_accounting {
-};
-#endif
diff --git a/include/linux/task_io_accounting_ops.h b/include/linux/task_io_accounting_ops.h
index ff46c6fad79..4d090f9ee60 100644
--- a/include/linux/task_io_accounting_ops.h
+++ b/include/linux/task_io_accounting_ops.h
@@ -40,9 +40,17 @@ static inline void task_io_account_cancelled_write(size_t bytes)
 	current->ioac.cancelled_write_bytes += bytes;
 }
 
-static inline void task_io_accounting_init(struct task_struct *tsk)
+static inline void task_io_accounting_init(struct task_io_accounting *ioac)
 {
-	memset(&tsk->ioac, 0, sizeof(tsk->ioac));
+	memset(ioac, 0, sizeof(*ioac));
+}
+
+static inline void task_blk_io_accounting_add(struct task_io_accounting *dst,
+						struct task_io_accounting *src)
+{
+	dst->read_bytes += src->read_bytes;
+	dst->write_bytes += src->write_bytes;
+	dst->cancelled_write_bytes += src->cancelled_write_bytes;
 }
 
 #else
@@ -69,9 +77,37 @@ static inline void task_io_account_cancelled_write(size_t bytes)
 {
 }
 
-static inline void task_io_accounting_init(struct task_struct *tsk)
+static inline void task_io_accounting_init(struct task_io_accounting *ioac)
+{
+}
+
+static inline void task_blk_io_accounting_add(struct task_io_accounting *dst,
+						struct task_io_accounting *src)
 {
 }
 
-#endif		/* CONFIG_TASK_IO_ACCOUNTING */
-#endif		/* __TASK_IO_ACCOUNTING_OPS_INCLUDED */
+#endif /* CONFIG_TASK_IO_ACCOUNTING */
+
+#ifdef CONFIG_TASK_XACCT
+static inline void task_chr_io_accounting_add(struct task_io_accounting *dst,
+						struct task_io_accounting *src)
+{
+	dst->rchar += src->rchar;
+	dst->wchar += src->wchar;
+	dst->syscr += src->syscr;
+	dst->syscw += src->syscw;
+}
+#else
+static inline void task_chr_io_accounting_add(struct task_io_accounting *dst,
+						struct task_io_accounting *src)
+{
+}
+#endif /* CONFIG_TASK_XACCT */
+
+static inline void task_io_accounting_add(struct task_io_accounting *dst,
+						struct task_io_accounting *src)
+{
+	task_chr_io_accounting_add(dst, src);
+	task_blk_io_accounting_add(dst, src);
+}
+#endif /* __TASK_IO_ACCOUNTING_OPS_INCLUDED */
diff --git a/include/scsi/scsi.h b/include/scsi/scsi.h
index 00137a7769e..5c40cc537d4 100644
--- a/include/scsi/scsi.h
+++ b/include/scsi/scsi.h
@@ -106,6 +106,7 @@
 #define VARIABLE_LENGTH_CMD   0x7f
 #define REPORT_LUNS           0xa0
 #define MAINTENANCE_IN        0xa3
+#define MAINTENANCE_OUT       0xa4
 #define MOVE_MEDIUM           0xa5
 #define EXCHANGE_MEDIUM       0xa6
 #define READ_12               0xa8
@@ -125,6 +126,8 @@
 #define	SAI_READ_CAPACITY_16  0x10
 /* values for maintenance in */
 #define MI_REPORT_TARGET_PGS  0x0a
+/* values for maintenance out */
+#define MO_SET_TARGET_PGS     0x0a
 
 /* Values for T10/04-262r7 */
 #define	ATA_16		      0x85	/* 16-byte pass-thru */
diff --git a/include/scsi/scsi_cmnd.h b/include/scsi/scsi_cmnd.h
index 66c944849d6..f9f6e793575 100644
--- a/include/scsi/scsi_cmnd.h
+++ b/include/scsi/scsi_cmnd.h
@@ -77,6 +77,9 @@ struct scsi_cmnd {
 	int allowed;
 	int timeout_per_command;
 
+	unsigned char prot_op;
+	unsigned char prot_type;
+
 	unsigned short cmd_len;
 	enum dma_data_direction sc_data_direction;
 
@@ -87,6 +90,8 @@ struct scsi_cmnd {
 
 	/* These elements define the operation we ultimately want to perform */
 	struct scsi_data_buffer sdb;
+	struct scsi_data_buffer *prot_sdb;
+
 	unsigned underflow;	/* Return error if less than
 				   this amount is transferred */
 
@@ -208,4 +213,85 @@ static inline int scsi_sg_copy_to_buffer(struct scsi_cmnd *cmd,
 				 buf, buflen);
 }
 
+/*
+ * The operations below are hints that tell the controller driver how
+ * to handle I/Os with DIF or similar types of protection information.
+ */
+enum scsi_prot_operations {
+	/* Normal I/O */
+	SCSI_PROT_NORMAL = 0,
+
+	/* OS-HBA: Protected, HBA-Target: Unprotected */
+	SCSI_PROT_READ_INSERT,
+	SCSI_PROT_WRITE_STRIP,
+
+	/* OS-HBA: Unprotected, HBA-Target: Protected */
+	SCSI_PROT_READ_STRIP,
+	SCSI_PROT_WRITE_INSERT,
+
+	/* OS-HBA: Protected, HBA-Target: Protected */
+	SCSI_PROT_READ_PASS,
+	SCSI_PROT_WRITE_PASS,
+
+	/* OS-HBA: Protected, HBA-Target: Protected, checksum conversion */
+	SCSI_PROT_READ_CONVERT,
+	SCSI_PROT_WRITE_CONVERT,
+};
+
+static inline void scsi_set_prot_op(struct scsi_cmnd *scmd, unsigned char op)
+{
+	scmd->prot_op = op;
+}
+
+static inline unsigned char scsi_get_prot_op(struct scsi_cmnd *scmd)
+{
+	return scmd->prot_op;
+}
+
+/*
+ * The controller usually does not know anything about the target it
+ * is communicating with.  However, when DIX is enabled the controller
+ * must be know target type so it can verify the protection
+ * information passed along with the I/O.
+ */
+enum scsi_prot_target_type {
+	SCSI_PROT_DIF_TYPE0 = 0,
+	SCSI_PROT_DIF_TYPE1,
+	SCSI_PROT_DIF_TYPE2,
+	SCSI_PROT_DIF_TYPE3,
+};
+
+static inline void scsi_set_prot_type(struct scsi_cmnd *scmd, unsigned char type)
+{
+	scmd->prot_type = type;
+}
+
+static inline unsigned char scsi_get_prot_type(struct scsi_cmnd *scmd)
+{
+	return scmd->prot_type;
+}
+
+static inline sector_t scsi_get_lba(struct scsi_cmnd *scmd)
+{
+	return scmd->request->sector;
+}
+
+static inline unsigned scsi_prot_sg_count(struct scsi_cmnd *cmd)
+{
+	return cmd->prot_sdb ? cmd->prot_sdb->table.nents : 0;
+}
+
+static inline struct scatterlist *scsi_prot_sglist(struct scsi_cmnd *cmd)
+{
+	return cmd->prot_sdb ? cmd->prot_sdb->table.sgl : NULL;
+}
+
+static inline struct scsi_data_buffer *scsi_prot(struct scsi_cmnd *cmd)
+{
+	return cmd->prot_sdb;
+}
+
+#define scsi_for_each_prot_sg(cmd, sg, nseg, __i)		\
+	for_each_sg(scsi_prot_sglist(cmd), sg, nseg, __i)
+
 #endif /* _SCSI_SCSI_CMND_H */
diff --git a/include/scsi/scsi_device.h b/include/scsi/scsi_device.h
index 6467f78b191..291d56a1916 100644
--- a/include/scsi/scsi_device.h
+++ b/include/scsi/scsi_device.h
@@ -140,7 +140,8 @@ struct scsi_device {
 	unsigned fix_capacity:1;	/* READ_CAPACITY is too high by 1 */
 	unsigned guess_capacity:1;	/* READ_CAPACITY might be too high by 1 */
 	unsigned retry_hwerror:1;	/* Retry HARDWARE_ERROR */
-	unsigned last_sector_bug:1;	/* Always read last sector in a 1 sector read */
+	unsigned last_sector_bug:1;	/* do not use multisector accesses on
+					   SD_LAST_BUGGY_SECTORS */
 
 	DECLARE_BITMAP(supported_events, SDEV_EVT_MAXBITS); /* supported events */
 	struct list_head event_list;	/* asserted events */
@@ -167,15 +168,22 @@ struct scsi_device {
 	unsigned long		sdev_data[0];
 } __attribute__((aligned(sizeof(unsigned long))));
 
+struct scsi_dh_devlist {
+	char *vendor;
+	char *model;
+};
+
 struct scsi_device_handler {
 	/* Used by the infrastructure */
 	struct list_head list; /* list of scsi_device_handlers */
-	struct notifier_block nb;
 
 	/* Filled by the hardware handler */
 	struct module *module;
 	const char *name;
+	const struct scsi_dh_devlist *devlist;
 	int (*check_sense)(struct scsi_device *, struct scsi_sense_hdr *);
+	int (*attach)(struct scsi_device *);
+	void (*detach)(struct scsi_device *);
 	int (*activate)(struct scsi_device *);
 	int (*prep_fn)(struct scsi_device *, struct request *);
 };
@@ -416,6 +424,11 @@ static inline int scsi_device_enclosure(struct scsi_device *sdev)
 	return sdev->inquiry[6] & (1<<6);
 }
 
+static inline int scsi_device_protection(struct scsi_device *sdev)
+{
+	return sdev->inquiry[5] & (1<<0);
+}
+
 #define MODULE_ALIAS_SCSI_DEVICE(type) \
 	MODULE_ALIAS("scsi:t-" __stringify(type) "*")
 #define SCSI_DEVICE_MODALIAS_FMT "scsi:t-0x%02x"
diff --git a/include/scsi/scsi_dh.h b/include/scsi/scsi_dh.h
index 3ad2303d1a1..33efce20c26 100644
--- a/include/scsi/scsi_dh.h
+++ b/include/scsi/scsi_dh.h
@@ -32,6 +32,7 @@ enum {
 	 */
 	SCSI_DH_DEV_FAILED,	/* generic device error */
 	SCSI_DH_DEV_TEMP_BUSY,
+	SCSI_DH_DEV_UNSUPP,	/* device handler not supported */
 	SCSI_DH_DEVICE_MAX,	/* max device blkerr definition */
 
 	/*
@@ -57,6 +58,8 @@ enum {
 #if defined(CONFIG_SCSI_DH) || defined(CONFIG_SCSI_DH_MODULE)
 extern int scsi_dh_activate(struct request_queue *);
 extern int scsi_dh_handler_exist(const char *);
+extern int scsi_dh_attach(struct request_queue *, const char *);
+extern void scsi_dh_detach(struct request_queue *);
 #else
 static inline int scsi_dh_activate(struct request_queue *req)
 {
@@ -66,4 +69,12 @@ static inline int scsi_dh_handler_exist(const char *name)
 {
 	return 0;
 }
+static inline int scsi_dh_attach(struct request_queue *req, const char *name)
+{
+	return SCSI_DH_NOSYS;
+}
+static inline void scsi_dh_detach(struct request_queue *q)
+{
+	return;
+}
 #endif
diff --git a/include/scsi/scsi_eh.h b/include/scsi/scsi_eh.h
index 2a9add21267..06a8790893e 100644
--- a/include/scsi/scsi_eh.h
+++ b/include/scsi/scsi_eh.h
@@ -74,7 +74,9 @@ struct scsi_eh_save {
 	/* saved state */
 	int result;
 	enum dma_data_direction data_direction;
+	unsigned underflow;
 	unsigned char cmd_len;
+	unsigned char prot_op;
 	unsigned char *cmnd;
 	struct scsi_data_buffer sdb;
 	struct request *next_rq;
diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h
index a594bac4a77..44a55d1bf53 100644
--- a/include/scsi/scsi_host.h
+++ b/include/scsi/scsi_host.h
@@ -547,7 +547,7 @@ struct Scsi_Host {
 	unsigned int host_failed;	   /* commands that failed. */
 	unsigned int host_eh_scheduled;    /* EH scheduled without command */
     
-	unsigned short host_no;  /* Used for IOCTL_GET_IDLUN, /proc/scsi et al. */
+	unsigned int host_no;  /* Used for IOCTL_GET_IDLUN, /proc/scsi et al. */
 	int resetting; /* if set, it means that last_reset is a valid value */
 	unsigned long last_reset;
 
@@ -636,6 +636,10 @@ struct Scsi_Host {
 	 */
 	unsigned int max_host_blocked;
 
+	/* Protection Information */
+	unsigned int prot_capabilities;
+	unsigned char prot_guard_type;
+
 	/*
 	 * q used for scsi_tgt msgs, async events or any other requests that
 	 * need to be processed in userspace
@@ -756,6 +760,86 @@ extern struct request_queue *__scsi_alloc_queue(struct Scsi_Host *shost,
 extern void scsi_free_host_dev(struct scsi_device *);
 extern struct scsi_device *scsi_get_host_dev(struct Scsi_Host *);
 
+/*
+ * DIF defines the exchange of protection information between
+ * initiator and SBC block device.
+ *
+ * DIX defines the exchange of protection information between OS and
+ * initiator.
+ */
+enum scsi_host_prot_capabilities {
+	SHOST_DIF_TYPE1_PROTECTION = 1 << 0, /* T10 DIF Type 1 */
+	SHOST_DIF_TYPE2_PROTECTION = 1 << 1, /* T10 DIF Type 2 */
+	SHOST_DIF_TYPE3_PROTECTION = 1 << 2, /* T10 DIF Type 3 */
+
+	SHOST_DIX_TYPE0_PROTECTION = 1 << 3, /* DIX between OS and HBA only */
+	SHOST_DIX_TYPE1_PROTECTION = 1 << 4, /* DIX with DIF Type 1 */
+	SHOST_DIX_TYPE2_PROTECTION = 1 << 5, /* DIX with DIF Type 2 */
+	SHOST_DIX_TYPE3_PROTECTION = 1 << 6, /* DIX with DIF Type 3 */
+};
+
+/*
+ * SCSI hosts which support the Data Integrity Extensions must
+ * indicate their capabilities by setting the prot_capabilities using
+ * this call.
+ */
+static inline void scsi_host_set_prot(struct Scsi_Host *shost, unsigned int mask)
+{
+	shost->prot_capabilities = mask;
+}
+
+static inline unsigned int scsi_host_get_prot(struct Scsi_Host *shost)
+{
+	return shost->prot_capabilities;
+}
+
+static inline unsigned int scsi_host_dif_capable(struct Scsi_Host *shost, unsigned int target_type)
+{
+	switch (target_type) {
+	case 1: return shost->prot_capabilities & SHOST_DIF_TYPE1_PROTECTION;
+	case 2: return shost->prot_capabilities & SHOST_DIF_TYPE2_PROTECTION;
+	case 3: return shost->prot_capabilities & SHOST_DIF_TYPE3_PROTECTION;
+	}
+
+	return 0;
+}
+
+static inline unsigned int scsi_host_dix_capable(struct Scsi_Host *shost, unsigned int target_type)
+{
+	switch (target_type) {
+	case 0: return shost->prot_capabilities & SHOST_DIX_TYPE0_PROTECTION;
+	case 1: return shost->prot_capabilities & SHOST_DIX_TYPE1_PROTECTION;
+	case 2: return shost->prot_capabilities & SHOST_DIX_TYPE2_PROTECTION;
+	case 3: return shost->prot_capabilities & SHOST_DIX_TYPE3_PROTECTION;
+	}
+
+	return 0;
+}
+
+/*
+ * All DIX-capable initiators must support the T10-mandated CRC
+ * checksum.  Controllers can optionally implement the IP checksum
+ * scheme which has much lower impact on system performance.  Note
+ * that the main rationale for the checksum is to match integrity
+ * metadata with data.  Detecting bit errors are a job for ECC memory
+ * and buses.
+ */
+
+enum scsi_host_guard_type {
+	SHOST_DIX_GUARD_CRC = 1 << 0,
+	SHOST_DIX_GUARD_IP  = 1 << 1,
+};
+
+static inline void scsi_host_set_guard(struct Scsi_Host *shost, unsigned char type)
+{
+	shost->prot_guard_type = type;
+}
+
+static inline unsigned char scsi_host_get_guard(struct Scsi_Host *shost)
+{
+	return shost->prot_guard_type;
+}
+
 /* legacy interfaces */
 extern struct Scsi_Host *scsi_register(struct scsi_host_template *, int);
 extern void scsi_unregister(struct Scsi_Host *);