Merge commit 'v2.6.37-rc2' into upstream/xenfs

* commit 'v2.6.37-rc2': (10093 commits)
  Linux 2.6.37-rc2
  capabilities/syslog: open code cap_syslog logic to fix build failure
  i2c: Sanity checks on adapter registration
  i2c: Mark i2c_adapter.id as deprecated
  i2c: Drivers shouldn't include <linux/i2c-id.h>
  i2c: Delete unused adapter IDs
  i2c: Remove obsolete cleanup for clientdata
  include/linux/kernel.h: Move logging bits to include/linux/printk.h
  Fix gcc 4.5.1 miscompiling drivers/char/i8k.c (again)
  hwmon: (w83795) Check for BEEP pin availability
  hwmon: (w83795) Clear intrusion alarm immediately
  hwmon: (w83795) Read the intrusion state properly
  hwmon: (w83795) Print the actual temperature channels as sources
  hwmon: (w83795) List all usable temperature sources
  hwmon: (w83795) Expose fan control method
  hwmon: (w83795) Fix fan control mode attributes
  hwmon: (lm95241) Check validity of input values
  hwmon: Change mail address of Hans J. Koch
  PCI: sysfs: fix printk warnings
  GFS2: Fix inode deallocation race
  ...

6 files changed, 86 insertions, 72 deletions

diff --git a/arch/alpha/include/asm/core_mcpcia.h b/arch/alpha/include/asm/core_mcpcia.h
index 21ac53383b3..9f67a056b46 100644
--- a/arch/alpha/include/asm/core_mcpcia.h
+++ b/arch/alpha/include/asm/core_mcpcia.h
@@ -247,7 +247,7 @@ struct el_MCPCIA_uncorrected_frame_mcheck {
 #define vip	volatile int __force *
 #define vuip	volatile unsigned int __force *
 
-#ifdef MCPCIA_ONE_HAE_WINDOW
+#ifndef MCPCIA_ONE_HAE_WINDOW
 #define MCPCIA_FROB_MMIO						\
 	if (__mcpcia_is_mmio(hose)) {					\
 		set_hae(hose & 0xffffffff);				\
diff --git a/arch/alpha/include/asm/core_t2.h b/arch/alpha/include/asm/core_t2.h
index 471c07292e0..91b46801b29 100644
--- a/arch/alpha/include/asm/core_t2.h
+++ b/arch/alpha/include/asm/core_t2.h
@@ -1,6 +1,9 @@
 #ifndef __ALPHA_T2__H__
 #define __ALPHA_T2__H__
 
+/* Fit everything into one 128MB HAE window. */
+#define T2_ONE_HAE_WINDOW 1
+
 #include <linux/types.h>
 #include <linux/spinlock.h>
 #include <asm/compiler.h>
@@ -19,7 +22,7 @@
  *
  */
 
-#define T2_MEM_R1_MASK 0x07ffffff  /* Mem sparse region 1 mask is 26 bits */
+#define T2_MEM_R1_MASK 0x07ffffff  /* Mem sparse region 1 mask is 27 bits */
 
 /* GAMMA-SABLE is a SABLE with EV5-based CPUs */
 /* All LYNX machines, EV4 or EV5, use the GAMMA bias also */
@@ -85,7 +88,9 @@
 #define T2_DIR			(IDENT_ADDR + GAMMA_BIAS + 0x38e0004a0UL)
 #define T2_ICE			(IDENT_ADDR + GAMMA_BIAS + 0x38e0004c0UL)
 
+#ifndef T2_ONE_HAE_WINDOW
 #define T2_HAE_ADDRESS		T2_HAE_1
+#endif
 
 /*  T2 CSRs are in the non-cachable primary IO space from 3.8000.0000 to
  3.8fff.ffff
@@ -429,13 +434,15 @@ extern inline void t2_outl(u32 b, unsigned long addr)
  *
  */
 
+#ifdef T2_ONE_HAE_WINDOW
+#define t2_set_hae
+#else
 #define t2_set_hae { \
-	msb = addr  >> 27; \
+	unsigned long msb = addr >> 27; \
 	addr &= T2_MEM_R1_MASK; \
 	set_hae(msb); \
 }
-
-extern raw_spinlock_t t2_hae_lock;
+#endif
 
 /*
  * NOTE: take T2_DENSE_MEM off in each readX/writeX routine, since
@@ -446,28 +453,22 @@ extern raw_spinlock_t t2_hae_lock;
 __EXTERN_INLINE u8 t2_readb(const volatile void __iomem *xaddr)
 {
 	unsigned long addr = (unsigned long) xaddr - T2_DENSE_MEM;
-	unsigned long result, msb;
-	unsigned long flags;
-	raw_spin_lock_irqsave(&t2_hae_lock, flags);
+	unsigned long result;
 
 	t2_set_hae;
 
 	result = *(vip) ((addr << 5) + T2_SPARSE_MEM + 0x00);
-	raw_spin_unlock_irqrestore(&t2_hae_lock, flags);
 	return __kernel_extbl(result, addr & 3);
 }
 
 __EXTERN_INLINE u16 t2_readw(const volatile void __iomem *xaddr)
 {
 	unsigned long addr = (unsigned long) xaddr - T2_DENSE_MEM;
-	unsigned long result, msb;
-	unsigned long flags;
-	raw_spin_lock_irqsave(&t2_hae_lock, flags);
+	unsigned long result;
 
 	t2_set_hae;
 
 	result = *(vuip) ((addr << 5) + T2_SPARSE_MEM + 0x08);
-	raw_spin_unlock_irqrestore(&t2_hae_lock, flags);
 	return __kernel_extwl(result, addr & 3);
 }
 
@@ -478,59 +479,47 @@ __EXTERN_INLINE u16 t2_readw(const volatile void __iomem *xaddr)
 __EXTERN_INLINE u32 t2_readl(const volatile void __iomem *xaddr)
 {
 	unsigned long addr = (unsigned long) xaddr - T2_DENSE_MEM;
-	unsigned long result, msb;
-	unsigned long flags;
-	raw_spin_lock_irqsave(&t2_hae_lock, flags);
+	unsigned long result;
 
 	t2_set_hae;
 
 	result = *(vuip) ((addr << 5) + T2_SPARSE_MEM + 0x18);
-	raw_spin_unlock_irqrestore(&t2_hae_lock, flags);
 	return result & 0xffffffffUL;
 }
 
 __EXTERN_INLINE u64 t2_readq(const volatile void __iomem *xaddr)
 {
 	unsigned long addr = (unsigned long) xaddr - T2_DENSE_MEM;
-	unsigned long r0, r1, work, msb;
-	unsigned long flags;
-	raw_spin_lock_irqsave(&t2_hae_lock, flags);
+	unsigned long r0, r1, work;
 
 	t2_set_hae;
 
 	work = (addr << 5) + T2_SPARSE_MEM + 0x18;
 	r0 = *(vuip)(work);
 	r1 = *(vuip)(work + (4 << 5));
-	raw_spin_unlock_irqrestore(&t2_hae_lock, flags);
 	return r1 << 32 | r0;
 }
 
 __EXTERN_INLINE void t2_writeb(u8 b, volatile void __iomem *xaddr)
 {
 	unsigned long addr = (unsigned long) xaddr - T2_DENSE_MEM;
-	unsigned long msb, w;
-	unsigned long flags;
-	raw_spin_lock_irqsave(&t2_hae_lock, flags);
+	unsigned long w;
 
 	t2_set_hae;
 
 	w = __kernel_insbl(b, addr & 3);
 	*(vuip) ((addr << 5) + T2_SPARSE_MEM + 0x00) = w;
-	raw_spin_unlock_irqrestore(&t2_hae_lock, flags);
 }
 
 __EXTERN_INLINE void t2_writew(u16 b, volatile void __iomem *xaddr)
 {
 	unsigned long addr = (unsigned long) xaddr - T2_DENSE_MEM;
-	unsigned long msb, w;
-	unsigned long flags;
-	raw_spin_lock_irqsave(&t2_hae_lock, flags);
+	unsigned long w;
 
 	t2_set_hae;
 
 	w = __kernel_inswl(b, addr & 3);
 	*(vuip) ((addr << 5) + T2_SPARSE_MEM + 0x08) = w;
-	raw_spin_unlock_irqrestore(&t2_hae_lock, flags);
 }
 
 /*
@@ -540,29 +529,22 @@ __EXTERN_INLINE void t2_writew(u16 b, volatile void __iomem *xaddr)
 __EXTERN_INLINE void t2_writel(u32 b, volatile void __iomem *xaddr)
 {
 	unsigned long addr = (unsigned long) xaddr - T2_DENSE_MEM;
-	unsigned long msb;
-	unsigned long flags;
-	raw_spin_lock_irqsave(&t2_hae_lock, flags);
 
 	t2_set_hae;
 
 	*(vuip) ((addr << 5) + T2_SPARSE_MEM + 0x18) = b;
-	raw_spin_unlock_irqrestore(&t2_hae_lock, flags);
 }
 
 __EXTERN_INLINE void t2_writeq(u64 b, volatile void __iomem *xaddr)
 {
 	unsigned long addr = (unsigned long) xaddr - T2_DENSE_MEM;
-	unsigned long msb, work;
-	unsigned long flags;
-	raw_spin_lock_irqsave(&t2_hae_lock, flags);
+	unsigned long work;
 
 	t2_set_hae;
 
 	work = (addr << 5) + T2_SPARSE_MEM + 0x18;
 	*(vuip)work = b;
 	*(vuip)(work + (4 << 5)) = b >> 32;
-	raw_spin_unlock_irqrestore(&t2_hae_lock, flags);
 }
 
 __EXTERN_INLINE void __iomem *t2_ioportmap(unsigned long addr)
diff --git a/arch/alpha/include/asm/irqflags.h b/arch/alpha/include/asm/irqflags.h
new file mode 100644
index 00000000000..299bbc7e9d7
--- /dev/null
+++ b/arch/alpha/include/asm/irqflags.h
@@ -0,0 +1,67 @@
+#ifndef __ALPHA_IRQFLAGS_H
+#define __ALPHA_IRQFLAGS_H
+
+#include <asm/system.h>
+
+#define IPL_MIN		0
+#define IPL_SW0		1
+#define IPL_SW1		2
+#define IPL_DEV0	3
+#define IPL_DEV1	4
+#define IPL_TIMER	5
+#define IPL_PERF	6
+#define IPL_POWERFAIL	6
+#define IPL_MCHECK	7
+#define IPL_MAX		7
+
+#ifdef CONFIG_ALPHA_BROKEN_IRQ_MASK
+#undef IPL_MIN
+#define IPL_MIN		__min_ipl
+extern int __min_ipl;
+#endif
+
+#define getipl()		(rdps() & 7)
+#define setipl(ipl)		((void) swpipl(ipl))
+
+static inline unsigned long arch_local_save_flags(void)
+{
+	return rdps();
+}
+
+static inline void arch_local_irq_disable(void)
+{
+	setipl(IPL_MAX);
+	barrier();
+}
+
+static inline unsigned long arch_local_irq_save(void)
+{
+	unsigned long flags = swpipl(IPL_MAX);
+	barrier();
+	return flags;
+}
+
+static inline void arch_local_irq_enable(void)
+{
+	barrier();
+	setipl(IPL_MIN);
+}
+
+static inline void arch_local_irq_restore(unsigned long flags)
+{
+	barrier();
+	setipl(flags);
+	barrier();
+}
+
+static inline bool arch_irqs_disabled_flags(unsigned long flags)
+{
+	return flags == IPL_MAX;
+}
+
+static inline bool arch_irqs_disabled(void)
+{
+	return arch_irqs_disabled_flags(getipl());
+}
+
+#endif /* __ALPHA_IRQFLAGS_H */
diff --git a/arch/alpha/include/asm/perf_event.h b/arch/alpha/include/asm/perf_event.h
index 4157cd3c44a..fe792ca818f 100644
--- a/arch/alpha/include/asm/perf_event.h
+++ b/arch/alpha/include/asm/perf_event.h
@@ -1,11 +1,6 @@
 #ifndef __ASM_ALPHA_PERF_EVENT_H
 #define __ASM_ALPHA_PERF_EVENT_H
 
-/* Alpha only supports software events through this interface. */
-extern void set_perf_event_pending(void);
-
-#define PERF_EVENT_INDEX_OFFSET 0
-
 #ifdef CONFIG_PERF_EVENTS
 extern void init_hw_perf_events(void);
 #else
diff --git a/arch/alpha/include/asm/pgtable.h b/arch/alpha/include/asm/pgtable.h
index 71a24329414..de98a732683 100644
--- a/arch/alpha/include/asm/pgtable.h
+++ b/arch/alpha/include/asm/pgtable.h
@@ -318,9 +318,7 @@ extern inline pte_t * pte_offset_kernel(pmd_t * dir, unsigned long address)
 }
 
 #define pte_offset_map(dir,addr)	pte_offset_kernel((dir),(addr))
-#define pte_offset_map_nested(dir,addr)	pte_offset_kernel((dir),(addr))
 #define pte_unmap(pte)			do { } while (0)
-#define pte_unmap_nested(pte)		do { } while (0)
 
 extern pgd_t swapper_pg_dir[1024];
 
diff --git a/arch/alpha/include/asm/system.h b/arch/alpha/include/asm/system.h
index 5aa40cca4f2..9f78e693463 100644
--- a/arch/alpha/include/asm/system.h
+++ b/arch/alpha/include/asm/system.h
@@ -259,34 +259,6 @@ __CALL_PAL_RW2(wrperfmon, unsigned long, unsigned long, unsigned long);
 __CALL_PAL_W1(wrusp, unsigned long);
 __CALL_PAL_W1(wrvptptr, unsigned long);
 
-#define IPL_MIN		0
-#define IPL_SW0		1
-#define IPL_SW1		2
-#define IPL_DEV0	3
-#define IPL_DEV1	4
-#define IPL_TIMER	5
-#define IPL_PERF	6
-#define IPL_POWERFAIL	6
-#define IPL_MCHECK	7
-#define IPL_MAX		7
-
-#ifdef CONFIG_ALPHA_BROKEN_IRQ_MASK
-#undef IPL_MIN
-#define IPL_MIN		__min_ipl
-extern int __min_ipl;
-#endif
-
-#define getipl()		(rdps() & 7)
-#define setipl(ipl)		((void) swpipl(ipl))
-
-#define local_irq_disable()			do { setipl(IPL_MAX); barrier(); } while(0)
-#define local_irq_enable()			do { barrier(); setipl(IPL_MIN); } while(0)
-#define local_save_flags(flags)	((flags) = rdps())
-#define local_irq_save(flags)	do { (flags) = swpipl(IPL_MAX); barrier(); } while(0)
-#define local_irq_restore(flags)	do { barrier(); setipl(flags); barrier(); } while(0)
-
-#define irqs_disabled()	(getipl() == IPL_MAX)
-
 /*
  * TB routines..
  */