Merge branch 'master' into upstream

77 files changed, 813 insertions, 219 deletions

diff --git a/include/asm-arm/arch-aaec2000/debug-macro.S b/include/asm-arm/arch-aaec2000/debug-macro.S
index e4f1fa539a74..7b1fce021d8a 100644
--- a/include/asm-arm/arch-aaec2000/debug-macro.S
+++ b/include/asm-arm/arch-aaec2000/debug-macro.S
@@ -9,6 +9,7 @@
  *  published by the Free Software Foundation.
  */
 
+#include "hardware.h"
 		.macro	addruart,rx
 		mrc	p15, 0, \rx, c1, c0
 		tst	\rx, #1			@ MMU enabled?
diff --git a/include/asm-arm/arch-aaec2000/entry-macro.S b/include/asm-arm/arch-aaec2000/entry-macro.S
index df31313ab07e..1eb3503bd16e 100644
--- a/include/asm-arm/arch-aaec2000/entry-macro.S
+++ b/include/asm-arm/arch-aaec2000/entry-macro.S
@@ -10,6 +10,7 @@
  *  published by the Free Software Foundation.
  *
  */
+#include <asm/arch/irqs.h>
 
 		.macro	disable_fiq
 		.endm
diff --git a/include/asm-arm/arch-imx/debug-macro.S b/include/asm-arm/arch-imx/debug-macro.S
index 83f552f7bcc1..c611871643a2 100644
--- a/include/asm-arm/arch-imx/debug-macro.S
+++ b/include/asm-arm/arch-imx/debug-macro.S
@@ -16,7 +16,7 @@
 		tst	\rx, #1			@ MMU enabled?
 		moveq	\rx, #0x00000000	@ physical
 		movne	\rx, #0xe0000000	@ virtual
-		orr	\rx, \rx, #0x00200000
+		orreq	\rx, \rx, #0x00200000	@ physical
 		orr	\rx, \rx, #0x00006000	@ UART1 offset
 		.endm
 
diff --git a/include/asm-arm/arch-imx/imx-uart.h b/include/asm-arm/arch-imx/imx-uart.h
new file mode 100644
index 000000000000..3a685e1780ea
--- /dev/null
+++ b/include/asm-arm/arch-imx/imx-uart.h
@@ -0,0 +1,10 @@
+#ifndef ASMARM_ARCH_UART_H
+#define ASMARM_ARCH_UART_H
+
+#define IMXUART_HAVE_RTSCTS (1<<0)
+
+struct imxuart_platform_data {
+	unsigned int flags;
+};
+
+#endif
diff --git a/include/asm-arm/arch-ixp4xx/io.h b/include/asm-arm/arch-ixp4xx/io.h
index 942b622455bc..b59520e56fc7 100644
--- a/include/asm-arm/arch-ixp4xx/io.h
+++ b/include/asm-arm/arch-ixp4xx/io.h
@@ -260,6 +260,12 @@ out:
 
 #endif
 
+#ifndef CONFIG_PCI
+
+#define	__io(v)		v
+
+#else
+
 /*
  * IXP4xx does not have a transparent cpu -> PCI I/O translation
  * window.  Instead, it has a set of registers that must be tweaked
@@ -578,6 +584,7 @@ __ixp4xx_iowrite32_rep(void __iomem *addr, const void *vaddr, u32 count)
 
 #define	ioport_map(port, nr)		((void __iomem*)(port + PIO_OFFSET))
 #define	ioport_unmap(addr)
+#endif	// !CONFIG_PCI
 
 #endif	//  __ASM_ARM_ARCH_IO_H
 
diff --git a/include/asm-arm/arch-ixp4xx/memory.h b/include/asm-arm/arch-ixp4xx/memory.h
index ee211d28a3ef..af9667b57ab3 100644
--- a/include/asm-arm/arch-ixp4xx/memory.h
+++ b/include/asm-arm/arch-ixp4xx/memory.h
@@ -14,7 +14,7 @@
  */
 #define PHYS_OFFSET	UL(0x00000000)
 
-#ifndef __ASSEMBLY__
+#if !defined(__ASSEMBLY__) && defined(CONFIG_PCI)
 
 void ixp4xx_adjust_zones(int node, unsigned long *size, unsigned long *holes);
 
diff --git a/include/asm-arm/arch-pxa/dma.h b/include/asm-arm/arch-pxa/dma.h
index 3e88a2a02a0f..a008150abc59 100644
--- a/include/asm-arm/arch-pxa/dma.h
+++ b/include/asm-arm/arch-pxa/dma.h
@@ -24,27 +24,29 @@ typedef struct pxa_dma_desc {
 	volatile u32 dcmd;	/* DCMD value for the current transfer */
 } pxa_dma_desc;
 
+typedef enum {
+	DMA_PRIO_HIGH = 0,
+	DMA_PRIO_MEDIUM = 1,
+	DMA_PRIO_LOW = 2
+} pxa_dma_prio;
+
 #if defined(CONFIG_PXA27x)
 
 #define PXA_DMA_CHANNELS	32
-#define PXA_DMA_NBCH(prio)	((prio == DMA_PRIO_LOW) ? 16 : 8)
 
-typedef enum {
-	DMA_PRIO_HIGH = 0,
-	DMA_PRIO_MEDIUM = 8,
-	DMA_PRIO_LOW = 16
-} pxa_dma_prio;
+#define pxa_for_each_dma_prio(ch, prio)					\
+for (									\
+	ch = prio * 4;							\
+	ch != (4 << prio) + 16;						\
+	ch = (ch + 1 == (4 << prio)) ? (prio * 4 + 16) : (ch + 1)	\
+)
 
 #elif defined(CONFIG_PXA25x)
 
 #define PXA_DMA_CHANNELS	16
-#define PXA_DMA_NBCH(prio)	((prio == DMA_PRIO_LOW) ? 8 : 4)
 
-typedef enum {
-	DMA_PRIO_HIGH = 0,
-	DMA_PRIO_MEDIUM = 4,
-	DMA_PRIO_LOW = 8
-} pxa_dma_prio;
+#define pxa_for_each_dma_prio(ch, prio)					\
+	for (ch = prio * 4; ch != (4 << prio); ch++)
 
 #endif
 
diff --git a/include/asm-arm/bug.h b/include/asm-arm/bug.h
index 7fb02138f585..5ab8216f5204 100644
--- a/include/asm-arm/bug.h
+++ b/include/asm-arm/bug.h
@@ -2,6 +2,7 @@
 #define _ASMARM_BUG_H
 
 #include <linux/config.h>
+#include <linux/stddef.h>
 
 #ifdef CONFIG_BUG
 #ifdef CONFIG_DEBUG_BUGVERBOSE
diff --git a/include/asm-arm/unistd.h b/include/asm-arm/unistd.h
index ee8dfea549bc..cbf39a56dbe7 100644
--- a/include/asm-arm/unistd.h
+++ b/include/asm-arm/unistd.h
@@ -363,7 +363,7 @@
 /*
  * The following syscalls are obsolete and no longer available for EABI.
  */
-#if defined(__ARM_EABI__)
+#if defined(__ARM_EABI__) && !defined(__KERNEL__)
 #undef __NR_time
 #undef __NR_umount
 #undef __NR_stime
@@ -410,7 +410,8 @@ type name(void) {							\
   __asm__ __volatile__ (						\
   __syscall(name)							\
 	: "=r" (__res_r0)						\
-	: __SYS_REG_LIST() );						\
+	: __SYS_REG_LIST()						\
+	: "memory" );							\
   __res = __res_r0;							\
   __syscall_return(type,__res);						\
 }
@@ -424,7 +425,8 @@ type name(type1 arg1) { 						\
   __asm__ __volatile__ (						\
   __syscall(name)							\
 	: "=r" (__res_r0)						\
-	: __SYS_REG_LIST( "0" (__r0) ) );				\
+	: __SYS_REG_LIST( "0" (__r0) )					\
+	: "memory" );							\
   __res = __res_r0;							\
   __syscall_return(type,__res);						\
 }
@@ -439,7 +441,8 @@ type name(type1 arg1,type2 arg2) {					\
   __asm__ __volatile__ (						\
   __syscall(name)							\
 	: "=r" (__res_r0)						\
-	: __SYS_REG_LIST( "0" (__r0), "r" (__r1) ) );			\
+	: __SYS_REG_LIST( "0" (__r0), "r" (__r1) )			\
+	: "memory" );							\
   __res = __res_r0;							\
   __syscall_return(type,__res);						\
 }
@@ -456,7 +459,8 @@ type name(type1 arg1,type2 arg2,type3 arg3) {				\
   __asm__ __volatile__ (						\
   __syscall(name)							\
 	: "=r" (__res_r0)						\
-	: __SYS_REG_LIST( "0" (__r0), "r" (__r1), "r" (__r2) ) );	\
+	: __SYS_REG_LIST( "0" (__r0), "r" (__r1), "r" (__r2) )		\
+	: "memory" );							\
   __res = __res_r0;							\
   __syscall_return(type,__res);						\
 }
@@ -474,7 +478,8 @@ type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4) {		\
   __asm__ __volatile__ (						\
   __syscall(name)							\
 	: "=r" (__res_r0)						\
-	: __SYS_REG_LIST( "0" (__r0), "r" (__r1), "r" (__r2), "r" (__r3) ) ); \
+	: __SYS_REG_LIST( "0" (__r0), "r" (__r1), "r" (__r2), "r" (__r3) ) \
+	: "memory" );							\
   __res = __res_r0;							\
   __syscall_return(type,__res);						\
 }
@@ -494,7 +499,8 @@ type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, type5 arg5) {	\
   __syscall(name)							\
 	: "=r" (__res_r0)						\
 	: __SYS_REG_LIST( "0" (__r0), "r" (__r1), "r" (__r2),		\
-			  "r" (__r3), "r" (__r4) ) );			\
+			  "r" (__r3), "r" (__r4) )			\
+	: "memory" );							\
   __res = __res_r0;							\
   __syscall_return(type,__res);						\
 }
@@ -514,7 +520,8 @@ type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, type5 arg5, type6 arg6
   __syscall(name)							\
 	: "=r" (__res_r0)						\
 	: __SYS_REG_LIST( "0" (__r0), "r" (__r1), "r" (__r2),		\
-			  "r" (__r3), "r" (__r4), "r" (__r5) ) );	\
+			  "r" (__r3), "r" (__r4), "r" (__r5) )		\
+	: "memory" );							\
   __res = __res_r0;							\
   __syscall_return(type,__res);						\
 }
diff --git a/include/asm-i386/i387.h b/include/asm-i386/i387.h
index 7b1f01191e70..bc1d6edae1ed 100644
--- a/include/asm-i386/i387.h
+++ b/include/asm-i386/i387.h
@@ -58,13 +58,13 @@ static inline void __save_init_fpu( struct task_struct *tsk )
 	alternative_input(
 		"fnsave %[fx] ;fwait;" GENERIC_NOP8 GENERIC_NOP4,
 		"fxsave %[fx]\n"
-		"bt $7,%[fsw] ; jc 1f ; fnclex\n1:",
+		"bt $7,%[fsw] ; jnc 1f ; fnclex\n1:",
 		X86_FEATURE_FXSR,
 		[fx] "m" (tsk->thread.i387.fxsave),
 		[fsw] "m" (tsk->thread.i387.fxsave.swd) : "memory");
 	/* AMD K7/K8 CPUs don't save/restore FDP/FIP/FOP unless an exception
 	   is pending.  Clear the x87 state here by setting it to fixed
-   	   values. __per_cpu_offset[0] is a random variable that should be in L1 */
+   	   values. safe_address is a random variable that should be in L1 */
 	alternative_input(
 		GENERIC_NOP8 GENERIC_NOP2,
 		"emms\n\t"	  	/* clear stack tags */
diff --git a/include/asm-i386/io_apic.h b/include/asm-i386/io_apic.h
index 51c4e5fe6062..d92e253f7f6f 100644
--- a/include/asm-i386/io_apic.h
+++ b/include/asm-i386/io_apic.h
@@ -200,6 +200,7 @@ extern int io_apic_get_unique_id (int ioapic, int apic_id);
 extern int io_apic_get_version (int ioapic);
 extern int io_apic_get_redir_entries (int ioapic);
 extern int io_apic_set_pci_routing (int ioapic, int pin, int irq, int edge_level, int active_high_low);
+extern int timer_uses_ioapic_pin_0;
 #endif /* CONFIG_ACPI */
 
 extern int (*ioapic_renumber_irq)(int ioapic, int irq);
diff --git a/include/asm-i386/pgtable-2level.h b/include/asm-i386/pgtable-2level.h
index 27bde973abc7..2756d4b04c27 100644
--- a/include/asm-i386/pgtable-2level.h
+++ b/include/asm-i386/pgtable-2level.h
@@ -18,6 +18,9 @@
 #define set_pte_atomic(pteptr, pteval) set_pte(pteptr,pteval)
 #define set_pmd(pmdptr, pmdval) (*(pmdptr) = (pmdval))
 
+#define pte_clear(mm,addr,xp)	do { set_pte_at(mm, addr, xp, __pte(0)); } while (0)
+#define pmd_clear(xp)	do { set_pmd(xp, __pmd(0)); } while (0)
+
 #define ptep_get_and_clear(mm,addr,xp)	__pte(xchg(&(xp)->pte_low, 0))
 #define pte_same(a, b)		((a).pte_low == (b).pte_low)
 #define pte_page(x)		pfn_to_page(pte_pfn(x))
diff --git a/include/asm-i386/pgtable-3level.h b/include/asm-i386/pgtable-3level.h
index 36a5aa63cbbf..dccb1b3337ad 100644
--- a/include/asm-i386/pgtable-3level.h
+++ b/include/asm-i386/pgtable-3level.h
@@ -85,6 +85,26 @@ static inline void pud_clear (pud_t * pud) { }
 #define pmd_offset(pud, address) ((pmd_t *) pud_page(*(pud)) + \
 			pmd_index(address))
 
+/*
+ * For PTEs and PDEs, we must clear the P-bit first when clearing a page table
+ * entry, so clear the bottom half first and enforce ordering with a compiler
+ * barrier.
+ */
+static inline void pte_clear(struct mm_struct *mm, unsigned long addr, pte_t *ptep)
+{
+	ptep->pte_low = 0;
+	smp_wmb();
+	ptep->pte_high = 0;
+}
+
+static inline void pmd_clear(pmd_t *pmd)
+{
+	u32 *tmp = (u32 *)pmd;
+	*tmp = 0;
+	smp_wmb();
+	*(tmp + 1) = 0;
+}
+
 static inline pte_t ptep_get_and_clear(struct mm_struct *mm, unsigned long addr, pte_t *ptep)
 {
 	pte_t res;
diff --git a/include/asm-i386/pgtable.h b/include/asm-i386/pgtable.h
index ee056c41a9fb..672c3f76b9df 100644
--- a/include/asm-i386/pgtable.h
+++ b/include/asm-i386/pgtable.h
@@ -204,12 +204,10 @@ extern unsigned long long __PAGE_KERNEL, __PAGE_KERNEL_EXEC;
 extern unsigned long pg0[];
 
 #define pte_present(x)	((x).pte_low & (_PAGE_PRESENT | _PAGE_PROTNONE))
-#define pte_clear(mm,addr,xp)	do { set_pte_at(mm, addr, xp, __pte(0)); } while (0)
 
 /* To avoid harmful races, pmd_none(x) should check only the lower when PAE */
 #define pmd_none(x)	(!(unsigned long)pmd_val(x))
 #define pmd_present(x)	(pmd_val(x) & _PAGE_PRESENT)
-#define pmd_clear(xp)	do { set_pmd(xp, __pmd(0)); } while (0)
 #define	pmd_bad(x)	((pmd_val(x) & (~PAGE_MASK & ~_PAGE_USER)) != _KERNPG_TABLE)
 
 
@@ -268,7 +266,7 @@ static inline pte_t ptep_get_and_clear_full(struct mm_struct *mm, unsigned long
 	pte_t pte;
 	if (full) {
 		pte = *ptep;
-		*ptep = __pte(0);
+		pte_clear(mm, addr, ptep);
 	} else {
 		pte = ptep_get_and_clear(mm, addr, ptep);
 	}
diff --git a/include/asm-ia64/acpi.h b/include/asm-ia64/acpi.h
index d734585a23cf..09a5dd0e44a8 100644
--- a/include/asm-ia64/acpi.h
+++ b/include/asm-ia64/acpi.h
@@ -110,9 +110,8 @@ extern void prefill_possible_map(void);
 extern int additional_cpus;
 
 #ifdef CONFIG_ACPI_NUMA
-/* Proximity bitmap length; _PXM is at most 255 (8 bit)*/
-#ifdef CONFIG_IA64_NR_NODES
-#define MAX_PXM_DOMAINS CONFIG_IA64_NR_NODES
+#if MAX_NUMNODES > 256
+#define MAX_PXM_DOMAINS MAX_NUMNODES
 #else
 #define MAX_PXM_DOMAINS (256)
 #endif
diff --git a/include/asm-ia64/bitops.h b/include/asm-ia64/bitops.h
index 90921e162793..6cc517e212a9 100644
--- a/include/asm-ia64/bitops.h
+++ b/include/asm-ia64/bitops.h
@@ -11,7 +11,6 @@
 
 #include <linux/compiler.h>
 #include <linux/types.h>
-#include <asm/bitops.h>
 #include <asm/intrinsics.h>
 
 /**
diff --git a/include/asm-ia64/machvec.h b/include/asm-ia64/machvec.h
index c3e4ed8a3e17..a9c995a86c21 100644
--- a/include/asm-ia64/machvec.h
+++ b/include/asm-ia64/machvec.h
@@ -347,9 +347,11 @@ extern ia64_mv_dma_supported		swiotlb_dma_supported;
 #endif
 #ifndef platform_pci_legacy_read
 # define platform_pci_legacy_read	ia64_pci_legacy_read
+extern int ia64_pci_legacy_read(struct pci_bus *bus, u16 port, u32 *val, u8 size);
 #endif
 #ifndef platform_pci_legacy_write
 # define platform_pci_legacy_write	ia64_pci_legacy_write
+extern int ia64_pci_legacy_write(struct pci_bus *bus, u16 port, u32 val, u8 size);
 #endif
 #ifndef platform_inb
 # define platform_inb		__ia64_inb
diff --git a/include/asm-ia64/sn/sn2/sn_hwperf.h b/include/asm-ia64/sn/sn2/sn_hwperf.h
index 291ef3d69da2..e61ebac38cdd 100644
--- a/include/asm-ia64/sn/sn2/sn_hwperf.h
+++ b/include/asm-ia64/sn/sn2/sn_hwperf.h
@@ -45,8 +45,12 @@ struct sn_hwperf_object_info {
 #define SN_HWPERF_IS_NODE(x)		((x) && strstr((x)->name, "SHub"))
 #define SN_HWPERF_IS_NODE_SHUB2(x)	((x) && strstr((x)->name, "SHub 2."))
 #define SN_HWPERF_IS_IONODE(x)		((x) && strstr((x)->name, "TIO"))
-#define SN_HWPERF_IS_ROUTER(x)		((x) && strstr((x)->name, "Router"))
 #define SN_HWPERF_IS_NL3ROUTER(x)	((x) && strstr((x)->name, "NL3Router"))
+#define SN_HWPERF_IS_NL4ROUTER(x)	((x) && strstr((x)->name, "NL4Router"))
+#define SN_HWPERF_IS_OLDROUTER(x)	((x) && strstr((x)->name, "Router"))
+#define SN_HWPERF_IS_ROUTER(x)		(SN_HWPERF_IS_NL3ROUTER(x) || 		\
+					 	SN_HWPERF_IS_NL4ROUTER(x) || 	\
+					 	SN_HWPERF_IS_OLDROUTER(x))
 #define SN_HWPERF_FOREIGN(x)		((x) && !(x)->sn_hwp_this_part && !(x)->sn_hwp_is_shared)
 #define SN_HWPERF_SAME_OBJTYPE(x,y)	((SN_HWPERF_IS_NODE(x) && SN_HWPERF_IS_NODE(y)) ||\