---

yaml
---
r: 376955
b: refs/heads/master
c: 1a9c3d6
h: refs/heads/master
i:
  376953: d240a8f
  376951: 485c2ae
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: cb2f9938d0a57625644750e66373d3bf4d3a1601
+refs/heads/master: 1a9c3d68d65f4b5ce32f7d67ccc730396e04cdd2

trunk/MAINTAINERS

@@ -5766,7 +5766,7 @@ M:	Matthew Wilcox <willy@linux.intel.com>
 L:	linux-nvme@lists.infradead.org
 T:	git git://git.infradead.org/users/willy/linux-nvme.git
 S:	Supported
-F:	drivers/block/nvme.c
+F:	drivers/block/nvme*
 F:	include/linux/nvme.h
 
 OMAP SUPPORT
@@ -7624,7 +7624,7 @@ F:	drivers/clk/spear/
 SPI SUBSYSTEM
 M:	Mark Brown <broonie@kernel.org>
 M:	Grant Likely <grant.likely@linaro.org>
-L:	spi-devel-general@lists.sourceforge.net
+L:	linux-spi@vger.kernel.org
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi.git
 Q:	http://patchwork.kernel.org/project/spi-devel-general/list/
 S:	Maintained

trunk/arch/arm/boot/compressed/Makefile

@@ -124,7 +124,7 @@ KBUILD_CFLAGS = $(subst -pg, , $(ORIG_CFLAGS))
 endif
 
 ccflags-y := -fpic -mno-single-pic-base -fno-builtin -I$(obj)
-asflags-y := -Wa,-march=all -DZIMAGE
+asflags-y := -DZIMAGE
 
 # Supply kernel BSS size to the decompressor via a linker symbol.
 KBSS_SZ = $(shell $(CROSS_COMPILE)size $(obj)/../../../../vmlinux | \

trunk/arch/arm/boot/compressed/debug.S

@@ -1,6 +1,8 @@
 #include <linux/linkage.h>
 #include <asm/assembler.h>
 
+#ifndef CONFIG_DEBUG_SEMIHOSTING
+
 #include CONFIG_DEBUG_LL_INCLUDE
 
 ENTRY(putc)
@@ -10,3 +12,29 @@ ENTRY(putc)
 	busyuart r3, r1
 	mov	 pc, lr
 ENDPROC(putc)
+
+#else
+
+ENTRY(putc)
+	adr	r1, 1f
+	ldmia	r1, {r2, r3}
+	add	r2, r2, r1
+	ldr	r1, [r2, r3]
+	strb	r0, [r1]
+	mov	r0, #0x03		@ SYS_WRITEC
+   ARM(	svc	#0x123456	)
+ THUMB(	svc	#0xab		)
+	mov	pc, lr
+	.align	2
+1:	.word	_GLOBAL_OFFSET_TABLE_ - .
+	.word	semi_writec_buf(GOT)
+ENDPROC(putc)
+
+	.bss
+	.global	semi_writec_buf
+	.type   semi_writec_buf, %object
+semi_writec_buf:
+	.space	4
+	.size	semi_writec_buf, 4
+
+#endif

trunk/arch/arm/boot/compressed/head-sa1100.S

@@ -11,6 +11,7 @@
 #include <asm/mach-types.h>
 
 		.section        ".start", "ax"
+		.arch	armv4
 
 __SA1100_start:
 

trunk/arch/arm/boot/compressed/head-shark.S

@@ -18,6 +18,7 @@
 	
 		.section	".start", "ax"
 
+		.arch armv4
 		b	__beginning
 	
 __ofw_data:	.long	0				@ the number of memory blocks

trunk/arch/arm/boot/compressed/head.S

@@ -11,6 +11,7 @@
 #include <linux/linkage.h>
 #include <asm/assembler.h>
 
+	.arch	armv7-a
 /*
  * Debugging stuff
  *
@@ -805,8 +806,8 @@ call_cache_fn:	adr	r12, proc_types
 		.align	2
 		.type	proc_types,#object
 proc_types:
-		.word	0x00000000		@ old ARM ID
-		.word	0x0000f000
+		.word	0x41000000		@ old ARM ID
+		.word	0xff00f000
 		mov	pc, lr
  THUMB(		nop				)
 		mov	pc, lr

trunk/arch/arm/include/asm/percpu.h

@@ -30,8 +30,15 @@ static inline void set_my_cpu_offset(unsigned long off)
 static inline unsigned long __my_cpu_offset(void)
 {
 	unsigned long off;
-	/* Read TPIDRPRW */
-	asm("mrc p15, 0, %0, c13, c0, 4" : "=r" (off) : : "memory");
+	register unsigned long *sp asm ("sp");
+
+	/*
+	 * Read TPIDRPRW.
+	 * We want to allow caching the value, so avoid using volatile and
+	 * instead use a fake stack read to hazard against barrier().
+	 */
+	asm("mrc p15, 0, %0, c13, c0, 4" : "=r" (off) : "Q" (*sp));
+
 	return off;
 }
 #define __my_cpu_offset __my_cpu_offset()

trunk/arch/arm/kernel/topology.c

@@ -13,6 +13,7 @@
 
 #include <linux/cpu.h>
 #include <linux/cpumask.h>
+#include <linux/export.h>
 #include <linux/init.h>
 #include <linux/percpu.h>
 #include <linux/node.h>
@@ -200,6 +201,7 @@ static inline void update_cpu_power(unsigned int cpuid, unsigned int mpidr) {}
  * cpu topology table
  */
 struct cputopo_arm cpu_topology[NR_CPUS];
+EXPORT_SYMBOL_GPL(cpu_topology);
 
 const struct cpumask *cpu_coregroup_mask(int cpu)
 {

trunk/arch/mips/include/uapi/asm/kvm.h

@@ -58,56 +58,53 @@ struct kvm_fpu {
  *  bits[2..0]   - Register 'sel' index.
  *  bits[7..3]   - Register 'rd'  index.
  *  bits[15..8]  - Must be zero.
- *  bits[63..16] - 1 -> CP0 registers.
+ *  bits[31..16] - 1 -> CP0 registers.
+ *  bits[51..32] - Must be zero.
+ *  bits[63..52] - As per linux/kvm.h
  *
  * Other sets registers may be added in the future.  Each set would
- * have its own identifier in bits[63..16].
- *
- * The addr field of struct kvm_one_reg must point to an aligned
- * 64-bit wide location.  For registers that are narrower than
- * 64-bits, the value is stored in the low order bits of the location,
- * and sign extended to 64-bits.
+ * have its own identifier in bits[31..16].
  *
  * The registers defined in struct kvm_regs are also accessible, the
  * id values for these are below.
  */
 
-#define KVM_REG_MIPS_R0 0
-#define KVM_REG_MIPS_R1 1
-#define KVM_REG_MIPS_R2 2
-#define KVM_REG_MIPS_R3 3
-#define KVM_REG_MIPS_R4 4
-#define KVM_REG_MIPS_R5 5
-#define KVM_REG_MIPS_R6 6
-#define KVM_REG_MIPS_R7 7
-#define KVM_REG_MIPS_R8 8
-#define KVM_REG_MIPS_R9 9
-#define KVM_REG_MIPS_R10 10
-#define KVM_REG_MIPS_R11 11
-#define KVM_REG_MIPS_R12 12
-#define KVM_REG_MIPS_R13 13
-#define KVM_REG_MIPS_R14 14
-#define KVM_REG_MIPS_R15 15
-#define KVM_REG_MIPS_R16 16
-#define KVM_REG_MIPS_R17 17
-#define KVM_REG_MIPS_R18 18
-#define KVM_REG_MIPS_R19 19
-#define KVM_REG_MIPS_R20 20
-#define KVM_REG_MIPS_R21 21
-#define KVM_REG_MIPS_R22 22
-#define KVM_REG_MIPS_R23 23
-#define KVM_REG_MIPS_R24 24
-#define KVM_REG_MIPS_R25 25
-#define KVM_REG_MIPS_R26 26
-#define KVM_REG_MIPS_R27 27
-#define KVM_REG_MIPS_R28 28
-#define KVM_REG_MIPS_R29 29
-#define KVM_REG_MIPS_R30 30
-#define KVM_REG_MIPS_R31 31
+#define KVM_REG_MIPS_R0 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 0)
+#define KVM_REG_MIPS_R1 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 1)
+#define KVM_REG_MIPS_R2 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 2)
+#define KVM_REG_MIPS_R3 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 3)
+#define KVM_REG_MIPS_R4 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 4)
+#define KVM_REG_MIPS_R5 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 5)
+#define KVM_REG_MIPS_R6 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 6)
+#define KVM_REG_MIPS_R7 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 7)
+#define KVM_REG_MIPS_R8 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 8)
+#define KVM_REG_MIPS_R9 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 9)
+#define KVM_REG_MIPS_R10 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 10)
+#define KVM_REG_MIPS_R11 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 11)
+#define KVM_REG_MIPS_R12 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 12)
+#define KVM_REG_MIPS_R13 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 13)
+#define KVM_REG_MIPS_R14 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 14)
+#define KVM_REG_MIPS_R15 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 15)
+#define KVM_REG_MIPS_R16 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 16)
+#define KVM_REG_MIPS_R17 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 17)
+#define KVM_REG_MIPS_R18 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 18)
+#define KVM_REG_MIPS_R19 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 19)
+#define KVM_REG_MIPS_R20 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 20)
+#define KVM_REG_MIPS_R21 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 21)
+#define KVM_REG_MIPS_R22 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 22)
+#define KVM_REG_MIPS_R23 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 23)
+#define KVM_REG_MIPS_R24 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 24)
+#define KVM_REG_MIPS_R25 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 25)
+#define KVM_REG_MIPS_R26 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 26)
+#define KVM_REG_MIPS_R27 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 27)
+#define KVM_REG_MIPS_R28 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 28)
+#define KVM_REG_MIPS_R29 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 29)
+#define KVM_REG_MIPS_R30 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 30)
+#define KVM_REG_MIPS_R31 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 31)
 
-#define KVM_REG_MIPS_HI 32
-#define KVM_REG_MIPS_LO 33
-#define KVM_REG_MIPS_PC 34
+#define KVM_REG_MIPS_HI (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 32)
+#define KVM_REG_MIPS_LO (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 33)
+#define KVM_REG_MIPS_PC (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 34)
 
 /*
  * KVM MIPS specific structures and definitions

trunk/arch/mips/kvm/kvm_mips.c

@@ -485,29 +485,35 @@ kvm_arch_vcpu_ioctl_set_mpstate(struct kvm_vcpu *vcpu,
 	return -ENOIOCTLCMD;
 }
 
-#define KVM_REG_MIPS_CP0_INDEX (0x10000 + 8 * 0 + 0)
-#define KVM_REG_MIPS_CP0_ENTRYLO0 (0x10000 + 8 * 2 + 0)
-#define KVM_REG_MIPS_CP0_ENTRYLO1 (0x10000 + 8 * 3 + 0)
-#define KVM_REG_MIPS_CP0_CONTEXT (0x10000 + 8 * 4 + 0)
-#define KVM_REG_MIPS_CP0_USERLOCAL (0x10000 + 8 * 4 + 2)
-#define KVM_REG_MIPS_CP0_PAGEMASK (0x10000 + 8 * 5 + 0)
-#define KVM_REG_MIPS_CP0_PAGEGRAIN (0x10000 + 8 * 5 + 1)
-#define KVM_REG_MIPS_CP0_WIRED (0x10000 + 8 * 6 + 0)
-#define KVM_REG_MIPS_CP0_HWRENA (0x10000 + 8 * 7 + 0)
-#define KVM_REG_MIPS_CP0_BADVADDR (0x10000 + 8 * 8 + 0)
-#define KVM_REG_MIPS_CP0_COUNT (0x10000 + 8 * 9 + 0)
-#define KVM_REG_MIPS_CP0_ENTRYHI (0x10000 + 8 * 10 + 0)
-#define KVM_REG_MIPS_CP0_COMPARE (0x10000 + 8 * 11 + 0)
-#define KVM_REG_MIPS_CP0_STATUS (0x10000 + 8 * 12 + 0)
-#define KVM_REG_MIPS_CP0_CAUSE (0x10000 + 8 * 13 + 0)
-#define KVM_REG_MIPS_CP0_EBASE (0x10000 + 8 * 15 + 1)
-#define KVM_REG_MIPS_CP0_CONFIG (0x10000 + 8 * 16 + 0)
-#define KVM_REG_MIPS_CP0_CONFIG1 (0x10000 + 8 * 16 + 1)
-#define KVM_REG_MIPS_CP0_CONFIG2 (0x10000 + 8 * 16 + 2)
-#define KVM_REG_MIPS_CP0_CONFIG3 (0x10000 + 8 * 16 + 3)
-#define KVM_REG_MIPS_CP0_CONFIG7 (0x10000 + 8 * 16 + 7)
-#define KVM_REG_MIPS_CP0_XCONTEXT (0x10000 + 8 * 20 + 0)
-#define KVM_REG_MIPS_CP0_ERROREPC (0x10000 + 8 * 30 + 0)
+#define MIPS_CP0_32(_R, _S)					\
+	(KVM_REG_MIPS | KVM_REG_SIZE_U32 | 0x10000 | (8 * (_R) + (_S)))
+
+#define MIPS_CP0_64(_R, _S)					\
+	(KVM_REG_MIPS | KVM_REG_SIZE_U64 | 0x10000 | (8 * (_R) + (_S)))
+
+#define KVM_REG_MIPS_CP0_INDEX		MIPS_CP0_32(0, 0)
+#define KVM_REG_MIPS_CP0_ENTRYLO0	MIPS_CP0_64(2, 0)
+#define KVM_REG_MIPS_CP0_ENTRYLO1	MIPS_CP0_64(3, 0)
+#define KVM_REG_MIPS_CP0_CONTEXT	MIPS_CP0_64(4, 0)
+#define KVM_REG_MIPS_CP0_USERLOCAL	MIPS_CP0_64(4, 2)
+#define KVM_REG_MIPS_CP0_PAGEMASK	MIPS_CP0_32(5, 0)
+#define KVM_REG_MIPS_CP0_PAGEGRAIN	MIPS_CP0_32(5, 1)
+#define KVM_REG_MIPS_CP0_WIRED		MIPS_CP0_32(6, 0)
+#define KVM_REG_MIPS_CP0_HWRENA		MIPS_CP0_32(7, 0)
+#define KVM_REG_MIPS_CP0_BADVADDR	MIPS_CP0_64(8, 0)
+#define KVM_REG_MIPS_CP0_COUNT		MIPS_CP0_32(9, 0)
+#define KVM_REG_MIPS_CP0_ENTRYHI	MIPS_CP0_64(10, 0)
+#define KVM_REG_MIPS_CP0_COMPARE	MIPS_CP0_32(11, 0)
+#define KVM_REG_MIPS_CP0_STATUS		MIPS_CP0_32(12, 0)
+#define KVM_REG_MIPS_CP0_CAUSE		MIPS_CP0_32(13, 0)
+#define KVM_REG_MIPS_CP0_EBASE		MIPS_CP0_64(15, 1)
+#define KVM_REG_MIPS_CP0_CONFIG		MIPS_CP0_32(16, 0)
+#define KVM_REG_MIPS_CP0_CONFIG1	MIPS_CP0_32(16, 1)
+#define KVM_REG_MIPS_CP0_CONFIG2	MIPS_CP0_32(16, 2)
+#define KVM_REG_MIPS_CP0_CONFIG3	MIPS_CP0_32(16, 3)
+#define KVM_REG_MIPS_CP0_CONFIG7	MIPS_CP0_32(16, 7)
+#define KVM_REG_MIPS_CP0_XCONTEXT	MIPS_CP0_64(20, 0)
+#define KVM_REG_MIPS_CP0_ERROREPC	MIPS_CP0_64(30, 0)
 
 static u64 kvm_mips_get_one_regs[] = {
 	KVM_REG_MIPS_R0,
@@ -567,8 +573,6 @@ static u64 kvm_mips_get_one_regs[] = {
 static int kvm_mips_get_reg(struct kvm_vcpu *vcpu,
 			    const struct kvm_one_reg *reg)
 {
-	u64 __user *uaddr = (u64 __user *)(long)reg->addr;
-
 	struct mips_coproc *cop0 = vcpu->arch.cop0;
 	s64 v;
 
@@ -631,18 +635,39 @@ static int kvm_mips_get_reg(struct kvm_vcpu *vcpu,
 	default:
 		return -EINVAL;
 	}
-	return put_user(v, uaddr);
+	if ((reg->id & KVM_REG_SIZE_MASK) == KVM_REG_SIZE_U64) {
+		u64 __user *uaddr64 = (u64 __user *)(long)reg->addr;
+		return put_user(v, uaddr64);
+	} else if ((reg->id & KVM_REG_SIZE_MASK) == KVM_REG_SIZE_U32) {
+		u32 __user *uaddr32 = (u32 __user *)(long)reg->addr;
+		u32 v32 = (u32)v;
+		return put_user(v32, uaddr32);
+	} else {
+		return -EINVAL;
+	}
 }
 
 static int kvm_mips_set_reg(struct kvm_vcpu *vcpu,
 			    const struct kvm_one_reg *reg)
 {
-	u64 __user *uaddr = (u64 __user *)(long)reg->addr;
 	struct mips_coproc *cop0 = vcpu->arch.cop0;
 	u64 v;
 
-	if (get_user(v, uaddr) != 0)
-		return -EFAULT;
+	if ((reg->id & KVM_REG_SIZE_MASK) == KVM_REG_SIZE_U64) {
+		u64 __user *uaddr64 = (u64 __user *)(long)reg->addr;
+
+		if (get_user(v, uaddr64) != 0)
+			return -EFAULT;
+	} else if ((reg->id & KVM_REG_SIZE_MASK) == KVM_REG_SIZE_U32) {
+		u32 __user *uaddr32 = (u32 __user *)(long)reg->addr;
+		s32 v32;
+
+		if (get_user(v32, uaddr32) != 0)
+			return -EFAULT;
+		v = (s64)v32;
+	} else {
+		return -EINVAL;
+	}
 
 	switch (reg->id) {
 	case KVM_REG_MIPS_R0: