---

yaml --- r: 190968 b: refs/heads/master c: a523572 h: refs/heads/master v: v3
git-mirror · May 11, 2010 · bfe730e · bfe730e
1 parent d080794
commit bfe730e
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diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 06ee772043c7ad125f2c2e6a08dc563706f39e8d
+refs/heads/master: a52357259680fe5368c2fabf5949209e231f2aa2
diff --git a/trunk/Documentation/filesystems/proc.txt b/trunk/Documentation/filesystems/proc.txt
@@ -316,7 +316,7 @@ address           perms offset  dev   inode      pathname
 08049000-0804a000 rw-p 00001000 03:00 8312       /opt/test
 0804a000-0806b000 rw-p 00000000 00:00 0          [heap]
 a7cb1000-a7cb2000 ---p 00000000 00:00 0
-a7cb2000-a7eb2000 rw-p 00000000 00:00 0
+a7cb2000-a7eb2000 rw-p 00000000 00:00 0          [threadstack:001ff4b4]
 a7eb2000-a7eb3000 ---p 00000000 00:00 0
 a7eb3000-a7ed5000 rw-p 00000000 00:00 0
 a7ed5000-a8008000 r-xp 00000000 03:00 4222       /lib/libc.so.6
@@ -352,6 +352,7 @@ is not associated with a file:
  [stack]                  = the stack of the main process
  [vdso]                   = the "virtual dynamic shared object",
                             the kernel system call handler
+ [threadstack:xxxxxxxx]   = the stack of the thread, xxxxxxxx is the stack size
 
  or if empty, the mapping is anonymous.
 

diff --git a/trunk/Documentation/kernel-parameters.txt b/trunk/Documentation/kernel-parameters.txt
@@ -324,6 +324,8 @@ and is between 256 and 4096 characters. It is defined in the file
 				    they are unmapped. Otherwise they are
 				    flushed before they will be reused, which
 				    is a lot of faster
+			off	  - do not initialize any AMD IOMMU found in
+				    the system
 
 	amijoy.map=	[HW,JOY] Amiga joystick support
 			Map of devices attached to JOY0DAT and JOY1DAT

diff --git a/trunk/MAINTAINERS b/trunk/MAINTAINERS
@@ -5492,7 +5492,7 @@ S:	Maintained
 F:	drivers/mmc/host/tmio_mmc.*
 
 TMPFS (SHMEM FILESYSTEM)
-M:	Hugh Dickins <hughd@google.com>
+M:	Hugh Dickins <hugh.dickins@tiscali.co.uk>
 L:	linux-mm@kvack.org
 S:	Maintained
 F:	include/linux/shmem_fs.h

diff --git a/trunk/Makefile b/trunk/Makefile
@@ -1,7 +1,7 @@
 VERSION = 2
 PATCHLEVEL = 6
 SUBLEVEL = 34
-EXTRAVERSION =
+EXTRAVERSION = -rc7
 NAME = Sheep on Meth
 
 # *DOCUMENTATION*

diff --git a/trunk/arch/alpha/include/asm/atomic.h b/trunk/arch/alpha/include/asm/atomic.h
@@ -17,8 +17,8 @@
 #define ATOMIC_INIT(i)		( (atomic_t) { (i) } )
 #define ATOMIC64_INIT(i)	( (atomic64_t) { (i) } )
 
-#define atomic_read(v)		(*(volatile int *)&(v)->counter)
-#define atomic64_read(v)	(*(volatile long *)&(v)->counter)
+#define atomic_read(v)		((v)->counter + 0)
+#define atomic64_read(v)	((v)->counter + 0)
 
 #define atomic_set(v,i)		((v)->counter = (i))
 #define atomic64_set(v,i)	((v)->counter = (i))

diff --git a/trunk/arch/arm/include/asm/atomic.h b/trunk/arch/arm/include/asm/atomic.h
@@ -24,7 +24,7 @@
  * strex/ldrex monitor on some implementations. The reason we can use it for
  * atomic_set() is the clrex or dummy strex done on every exception return.
  */
-#define atomic_read(v)	(*(volatile int *)&(v)->counter)
+#define atomic_read(v)	((v)->counter)
 #define atomic_set(v,i)	(((v)->counter) = (i))
 
 #if __LINUX_ARM_ARCH__ >= 6

diff --git a/trunk/arch/arm/include/asm/cacheflush.h b/trunk/arch/arm/include/asm/cacheflush.h
@@ -371,10 +371,6 @@ static inline void __flush_icache_all(void)
 #ifdef CONFIG_ARM_ERRATA_411920
 	extern void v6_icache_inval_all(void);
 	v6_icache_inval_all();
-#elif defined(CONFIG_SMP) && __LINUX_ARM_ARCH__ >= 7
-	asm("mcr	p15, 0, %0, c7, c1, 0	@ invalidate I-cache inner shareable\n"
-	    :
-	    : "r" (0));
 #else
 	asm("mcr	p15, 0, %0, c7, c5, 0	@ invalidate I-cache\n"
 	    :

diff --git a/trunk/arch/arm/include/asm/smp_twd.h b/trunk/arch/arm/include/asm/smp_twd.h
@@ -1,23 +1,6 @@
 #ifndef __ASMARM_SMP_TWD_H
 #define __ASMARM_SMP_TWD_H
 
-#define TWD_TIMER_LOAD			0x00
-#define TWD_TIMER_COUNTER		0x04
-#define TWD_TIMER_CONTROL		0x08
-#define TWD_TIMER_INTSTAT		0x0C
-
-#define TWD_WDOG_LOAD			0x20
-#define TWD_WDOG_COUNTER		0x24
-#define TWD_WDOG_CONTROL		0x28
-#define TWD_WDOG_INTSTAT		0x2C
-#define TWD_WDOG_RESETSTAT		0x30
-#define TWD_WDOG_DISABLE		0x34
-
-#define TWD_TIMER_CONTROL_ENABLE	(1 << 0)
-#define TWD_TIMER_CONTROL_ONESHOT	(0 << 1)
-#define TWD_TIMER_CONTROL_PERIODIC	(1 << 1)
-#define TWD_TIMER_CONTROL_IT_ENABLE	(1 << 2)
-
 struct clock_event_device;
 
 extern void __iomem *twd_base;

diff --git a/trunk/arch/arm/include/asm/tlbflush.h b/trunk/arch/arm/include/asm/tlbflush.h
@@ -46,9 +46,6 @@
 #define TLB_V7_UIS_FULL (1 << 20)
 #define TLB_V7_UIS_ASID (1 << 21)
 
-/* Inner Shareable BTB operation (ARMv7 MP extensions) */
-#define TLB_V7_IS_BTB	(1 << 22)
-
 #define TLB_L2CLEAN_FR	(1 << 29)		/* Feroceon */
 #define TLB_DCLEAN	(1 << 30)
 #define TLB_WB		(1 << 31)
@@ -186,7 +183,7 @@
 #endif
 
 #ifdef CONFIG_SMP
-#define v7wbi_tlb_flags (TLB_WB | TLB_DCLEAN | TLB_V7_IS_BTB | \
+#define v7wbi_tlb_flags (TLB_WB | TLB_DCLEAN | TLB_BTB | \
 			 TLB_V7_UIS_FULL | TLB_V7_UIS_PAGE | TLB_V7_UIS_ASID)
 #else
 #define v7wbi_tlb_flags (TLB_WB | TLB_DCLEAN | TLB_BTB | \
@@ -342,12 +339,6 @@ static inline void local_flush_tlb_all(void)
 		dsb();
 		isb();
 	}
-	if (tlb_flag(TLB_V7_IS_BTB)) {
-		/* flush the branch target cache */
-		asm("mcr p15, 0, %0, c7, c1, 6" : : "r" (zero) : "cc");
-		dsb();
-		isb();
-	}
 }
 
 static inline void local_flush_tlb_mm(struct mm_struct *mm)
@@ -385,12 +376,6 @@ static inline void local_flush_tlb_mm(struct mm_struct *mm)
 		asm("mcr p15, 0, %0, c7, c5, 6" : : "r" (zero) : "cc");
 		dsb();
 	}
-	if (tlb_flag(TLB_V7_IS_BTB)) {
-		/* flush the branch target cache */
-		asm("mcr p15, 0, %0, c7, c1, 6" : : "r" (zero) : "cc");
-		dsb();
-		isb();
-	}
 }
 
 static inline void
@@ -431,12 +416,6 @@ local_flush_tlb_page(struct vm_area_struct *vma, unsigned long uaddr)
 		asm("mcr p15, 0, %0, c7, c5, 6" : : "r" (zero) : "cc");
 		dsb();
 	}
-	if (tlb_flag(TLB_V7_IS_BTB)) {
-		/* flush the branch target cache */
-		asm("mcr p15, 0, %0, c7, c1, 6" : : "r" (zero) : "cc");
-		dsb();
-		isb();
-	}
 }
 
 static inline void local_flush_tlb_kernel_page(unsigned long kaddr)
@@ -475,12 +454,6 @@ static inline void local_flush_tlb_kernel_page(unsigned long kaddr)
 		dsb();
 		isb();
 	}
-	if (tlb_flag(TLB_V7_IS_BTB)) {
-		/* flush the branch target cache */
-		asm("mcr p15, 0, %0, c7, c1, 6" : : "r" (zero) : "cc");
-		dsb();
-		isb();
-	}
 }
 
 /*

diff --git a/trunk/arch/arm/kernel/smp_twd.c b/trunk/arch/arm/kernel/smp_twd.c
@@ -21,6 +21,23 @@
 #include <asm/smp_twd.h>
 #include <asm/hardware/gic.h>
 
+#define TWD_TIMER_LOAD 			0x00
+#define TWD_TIMER_COUNTER		0x04
+#define TWD_TIMER_CONTROL		0x08
+#define TWD_TIMER_INTSTAT		0x0C
+
+#define TWD_WDOG_LOAD			0x20
+#define TWD_WDOG_COUNTER		0x24
+#define TWD_WDOG_CONTROL		0x28
+#define TWD_WDOG_INTSTAT		0x2C
+#define TWD_WDOG_RESETSTAT		0x30
+#define TWD_WDOG_DISABLE		0x34
+
+#define TWD_TIMER_CONTROL_ENABLE	(1 << 0)
+#define TWD_TIMER_CONTROL_ONESHOT	(0 << 1)
+#define TWD_TIMER_CONTROL_PERIODIC	(1 << 1)
+#define TWD_TIMER_CONTROL_IT_ENABLE	(1 << 2)
+
 /* set up by the platform code */
 void __iomem *twd_base;
 

diff --git a/trunk/arch/arm/lib/clear_user.S b/trunk/arch/arm/lib/clear_user.S
@@ -45,7 +45,6 @@ USER(		strnebt	r2, [r0])
 		mov	r0, #0
 		ldmfd	sp!, {r1, pc}
 ENDPROC(__clear_user)
-ENDPROC(__clear_user_std)
 
 		.pushsection .fixup,"ax"
 		.align	0

diff --git a/trunk/arch/arm/lib/copy_to_user.S b/trunk/arch/arm/lib/copy_to_user.S
@@ -93,7 +93,6 @@ WEAK(__copy_to_user)
 #include "copy_template.S"
 
 ENDPROC(__copy_to_user)
-ENDPROC(__copy_to_user_std)
 
 	.pushsection .fixup,"ax"
 	.align 0

diff --git a/trunk/arch/arm/mach-davinci/da830.c b/trunk/arch/arm/mach-davinci/da830.c
@@ -410,7 +410,7 @@ static struct clk_lookup da830_clks[] = {
 	CLK("davinci-mcasp.0",	NULL,		&mcasp0_clk),
 	CLK("davinci-mcasp.1",	NULL,		&mcasp1_clk),
 	CLK("davinci-mcasp.2",	NULL,		&mcasp2_clk),
-	CLK(NULL,		"usb20",	&usb20_clk),
+	CLK("musb_hdrc",	NULL,		&usb20_clk),
 	CLK(NULL,		"aemif",	&aemif_clk),
 	CLK(NULL,		"aintc",	&aintc_clk),
 	CLK(NULL,		"secu_mgr",	&secu_mgr_clk),

diff --git a/trunk/arch/arm/mm/cache-v6.S b/trunk/arch/arm/mm/cache-v6.S
@@ -211,9 +211,6 @@ v6_dma_inv_range:
 	mcrne	p15, 0, r1, c7, c15, 1		@ clean & invalidate unified line
 #endif
 1:
-#ifdef CONFIG_SMP
-	str	r0, [r0]			@ write for ownership
-#endif
 #ifdef HARVARD_CACHE
 	mcr	p15, 0, r0, c7, c6, 1		@ invalidate D line
 #else
@@ -234,9 +231,6 @@ v6_dma_inv_range:
 v6_dma_clean_range:
 	bic	r0, r0, #D_CACHE_LINE_SIZE - 1
 1:
-#ifdef CONFIG_SMP
-	ldr	r2, [r0]			@ read for ownership
-#endif
 #ifdef HARVARD_CACHE
 	mcr	p15, 0, r0, c7, c10, 1		@ clean D line
 #else
@@ -257,10 +251,6 @@ v6_dma_clean_range:
 ENTRY(v6_dma_flush_range)
 	bic	r0, r0, #D_CACHE_LINE_SIZE - 1
 1:
-#ifdef CONFIG_SMP
-	ldr	r2, [r0]			@ read for ownership
-	str	r2, [r0]			@ write for ownership
-#endif
 #ifdef HARVARD_CACHE
 	mcr	p15, 0, r0, c7, c14, 1		@ clean & invalidate D line
 #else
@@ -283,9 +273,7 @@ ENTRY(v6_dma_map_area)
 	add	r1, r1, r0
 	teq	r2, #DMA_FROM_DEVICE
 	beq	v6_dma_inv_range
-	teq	r2, #DMA_TO_DEVICE
-	beq	v6_dma_clean_range
-	b	v6_dma_flush_range
+	b	v6_dma_clean_range
 ENDPROC(v6_dma_map_area)
 
 /*
@@ -295,6 +283,9 @@ ENDPROC(v6_dma_map_area)
  *	- dir	- DMA direction
  */
 ENTRY(v6_dma_unmap_area)
+	add	r1, r1, r0
+	teq	r2, #DMA_TO_DEVICE
+	bne	v6_dma_inv_range
 	mov	pc, lr
 ENDPROC(v6_dma_unmap_area)
 

diff --git a/trunk/arch/arm/mm/cache-v7.S b/trunk/arch/arm/mm/cache-v7.S
@@ -167,11 +167,7 @@ ENTRY(v7_coherent_user_range)
 	cmp	r0, r1
 	blo	1b
 	mov	r0, #0
-#ifdef CONFIG_SMP
-	mcr	p15, 0, r0, c7, c1, 6		@ invalidate BTB Inner Shareable
-#else
 	mcr	p15, 0, r0, c7, c5, 6		@ invalidate BTB
-#endif
 	dsb
 	isb
 	mov	pc, lr

diff --git a/trunk/arch/arm/mm/nommu.c b/trunk/arch/arm/mm/nommu.c
@@ -65,15 +65,6 @@ void flush_dcache_page(struct page *page)
 }
 EXPORT_SYMBOL(flush_dcache_page);
 
-void copy_to_user_page(struct vm_area_struct *vma, struct page *page,
-		       unsigned long uaddr, void *dst, const void *src,
-		       unsigned long len)
-{
-	memcpy(dst, src, len);
-	if (vma->vm_flags & VM_EXEC)
-		__cpuc_coherent_user_range(uaddr, uaddr + len);
-}
-
 void __iomem *__arm_ioremap_pfn(unsigned long pfn, unsigned long offset,
 				size_t size, unsigned int mtype)
 {
@@ -96,8 +87,8 @@ void __iomem *__arm_ioremap(unsigned long phys_addr, size_t size,
 }
 EXPORT_SYMBOL(__arm_ioremap);
 
-void __iomem *__arm_ioremap_caller(unsigned long phys_addr, size_t size,
-				   unsigned int mtype, void *caller)
+void __iomem *__arm_ioremap(unsigned long phys_addr, size_t size,
+			    unsigned int mtype, void *caller)
 {
 	return __arm_ioremap(phys_addr, size, mtype);
 }

diff --git a/trunk/arch/arm/mm/tlb-v7.S b/trunk/arch/arm/mm/tlb-v7.S
@@ -50,11 +50,7 @@ ENTRY(v7wbi_flush_user_tlb_range)
 	cmp	r0, r1
 	blo	1b
 	mov	ip, #0
-#ifdef CONFIG_SMP
-	mcr	p15, 0, ip, c7, c1, 6		@ flush BTAC/BTB Inner Shareable
-#else
 	mcr	p15, 0, ip, c7, c5, 6		@ flush BTAC/BTB
-#endif
 	dsb
 	mov	pc, lr
 ENDPROC(v7wbi_flush_user_tlb_range)
@@ -83,11 +79,7 @@ ENTRY(v7wbi_flush_kern_tlb_range)
 	cmp	r0, r1
 	blo	1b
 	mov	r2, #0
-#ifdef CONFIG_SMP
-	mcr	p15, 0, r2, c7, c1, 6		@ flush BTAC/BTB Inner Shareable
-#else
 	mcr	p15, 0, r2, c7, c5, 6		@ flush BTAC/BTB
-#endif
 	dsb
 	isb
 	mov	pc, lr

diff --git a/trunk/arch/avr32/include/asm/atomic.h b/trunk/arch/avr32/include/asm/atomic.h
@@ -19,7 +19,7 @@
 
 #define ATOMIC_INIT(i)  { (i) }
 
-#define atomic_read(v)		(*(volatile int *)&(v)->counter)
+#define atomic_read(v)		((v)->counter)
 #define atomic_set(v, i)	(((v)->counter) = i)
 
 /*

diff --git a/trunk/arch/cris/include/asm/atomic.h b/trunk/arch/cris/include/asm/atomic.h
@@ -15,7 +15,7 @@
 
 #define ATOMIC_INIT(i)  { (i) }
 
-#define atomic_read(v) (*(volatile int *)&(v)->counter)
+#define atomic_read(v) ((v)->counter)
 #define atomic_set(v,i) (((v)->counter) = (i))
 
 /* These should be written in asm but we do it in C for now. */

diff --git a/trunk/arch/frv/include/asm/atomic.h b/trunk/arch/frv/include/asm/atomic.h
@@ -36,7 +36,7 @@
 #define smp_mb__after_atomic_inc()	barrier()
 
 #define ATOMIC_INIT(i)		{ (i) }
-#define atomic_read(v)		(*(volatile int *)&(v)->counter)
+#define atomic_read(v)		((v)->counter)
 #define atomic_set(v, i)	(((v)->counter) = (i))
 
 #ifndef CONFIG_FRV_OUTOFLINE_ATOMIC_OPS

diff --git a/trunk/arch/h8300/include/asm/atomic.h b/trunk/arch/h8300/include/asm/atomic.h
@@ -10,7 +10,7 @@
 
 #define ATOMIC_INIT(i)	{ (i) }
 
-#define atomic_read(v)		(*(volatile int *)&(v)->counter)
+#define atomic_read(v)		((v)->counter)
 #define atomic_set(v, i)	(((v)->counter) = i)
 
 #include <asm/system.h>

diff --git a/trunk/arch/ia64/include/asm/atomic.h b/trunk/arch/ia64/include/asm/atomic.h
@@ -21,8 +21,8 @@
 #define ATOMIC_INIT(i)		((atomic_t) { (i) })
 #define ATOMIC64_INIT(i)	((atomic64_t) { (i) })
 
-#define atomic_read(v)		(*(volatile int *)&(v)->counter)
-#define atomic64_read(v)	(*(volatile long *)&(v)->counter)
+#define atomic_read(v)		((v)->counter)
+#define atomic64_read(v)	((v)->counter)
 
 #define atomic_set(v,i)		(((v)->counter) = (i))
 #define atomic64_set(v,i)	(((v)->counter) = (i))

diff --git a/trunk/arch/m32r/include/asm/atomic.h b/trunk/arch/m32r/include/asm/atomic.h
@@ -26,7 +26,7 @@
  *
  * Atomically reads the value of @v.
  */
-#define atomic_read(v)	(*(volatile int *)&(v)->counter)
+#define atomic_read(v)	((v)->counter)
 
 /**
  * atomic_set - set atomic variable