Merge branch 'master' into for-linus

42 files changed, 362 insertions, 58 deletions

diff --git a/arch/arm/common/sa1111.c b/arch/arm/common/sa1111.c
index a52a27c..6f80665 100644
--- a/arch/arm/common/sa1111.c
+++ b/arch/arm/common/sa1111.c
@@ -951,8 +951,6 @@ static int sa1111_resume(struct platform_device *dev)
 	if (!save)
 		return 0;
 
-	spin_lock_irqsave(&sachip->lock, flags);
-
 	/*
 	 * Ensure that the SA1111 is still here.
 	 * FIXME: shouldn't do this here.
@@ -969,6 +967,13 @@ static int sa1111_resume(struct platform_device *dev)
 	 * First of all, wake up the chip.
 	 */
 	sa1111_wake(sachip);
+
+	/*
+	 * Only lock for write ops. Also, sa1111_wake must be called with
+	 * released spinlock!
+	 */
+	spin_lock_irqsave(&sachip->lock, flags);
+
 	sa1111_writel(0, sachip->base + SA1111_INTC + SA1111_INTEN0);
 	sa1111_writel(0, sachip->base + SA1111_INTC + SA1111_INTEN1);
 
diff --git a/arch/arm/mach-msm/dma.c b/arch/arm/mach-msm/dma.c
index d029d1f..02cae5e 100644
--- a/arch/arm/mach-msm/dma.c
+++ b/arch/arm/mach-msm/dma.c
@@ -17,6 +17,7 @@
 #include <linux/err.h>
 #include <linux/io.h>
 #include <linux/interrupt.h>
+#include <linux/completion.h>
 #include <mach/dma.h>
 
 #define MSM_DMOV_CHANNEL_COUNT 16
diff --git a/arch/arm/mach-nomadik/clock.c b/arch/arm/mach-nomadik/clock.c
index 2c471fc..f035f41 100644
--- a/arch/arm/mach-nomadik/clock.c
+++ b/arch/arm/mach-nomadik/clock.c
@@ -32,7 +32,10 @@ void clk_disable(struct clk *clk)
 }
 EXPORT_SYMBOL(clk_disable);
 
-/* We have a fixed clock alone, for now */
+static struct clk clk_24 = {
+	.rate = 2400000,
+};
+
 static struct clk clk_48 = {
 	.rate = 48 * 1000 * 1000,
 };
@@ -50,6 +53,8 @@ static struct clk clk_default;
 	}
 
 static struct clk_lookup lookups[] = {
+	CLK(&clk_24, "mtu0"),
+	CLK(&clk_24, "mtu1"),
 	CLK(&clk_48, "uart0"),
 	CLK(&clk_48, "uart1"),
 	CLK(&clk_default, "gpio.0"),
@@ -59,10 +64,8 @@ static struct clk_lookup lookups[] = {
 	CLK(&clk_default, "rng"),
 };
 
-static int __init clk_init(void)
+int __init clk_init(void)
 {
 	clkdev_add_table(lookups, ARRAY_SIZE(lookups));
 	return 0;
 }
-
-arch_initcall(clk_init);
diff --git a/arch/arm/mach-nomadik/clock.h b/arch/arm/mach-nomadik/clock.h
index 5563985..78da2e7 100644
--- a/arch/arm/mach-nomadik/clock.h
+++ b/arch/arm/mach-nomadik/clock.h
@@ -11,3 +11,5 @@
 struct clk {
 	unsigned long		rate;
 };
+
+int __init clk_init(void);
diff --git a/arch/arm/mach-nomadik/cpu-8815.c b/arch/arm/mach-nomadik/cpu-8815.c
index 91c3c90..ac58e3b 100644
--- a/arch/arm/mach-nomadik/cpu-8815.c
+++ b/arch/arm/mach-nomadik/cpu-8815.c
@@ -31,6 +31,8 @@
 #include <asm/cacheflush.h>
 #include <asm/hardware/cache-l2x0.h>
 
+#include "clock.h"
+
 #define __MEM_4K_RESOURCE(x) \
 	.res = {.start = (x), .end = (x) + SZ_4K - 1, .flags = IORESOURCE_MEM}
 
@@ -143,6 +145,12 @@ void __init cpu8815_init_irq(void)
 	/* This modified VIC cell has two register blocks, at 0 and 0x20 */
 	vic_init(io_p2v(NOMADIK_IC_BASE + 0x00), IRQ_VIC_START +  0, ~0, 0);
 	vic_init(io_p2v(NOMADIK_IC_BASE + 0x20), IRQ_VIC_START + 32, ~0, 0);
+
+	/*
+	 * Init clocks here so that they are available for system timer
+	 * initialization.
+	 */
+	clk_init();
 }
 
 /*
diff --git a/arch/arm/mach-pxa/palmtc.c b/arch/arm/mach-pxa/palmtc.c
index 033b567..ce1104d 100644
--- a/arch/arm/mach-pxa/palmtc.c
+++ b/arch/arm/mach-pxa/palmtc.c
@@ -263,11 +263,11 @@ const struct matrix_keymap_data palmtc_keymap_data = {
 	.keymap_size		= ARRAY_SIZE(palmtc_matrix_keys),
 };
 
-const static unsigned int palmtc_keypad_row_gpios[] = {
+static const unsigned int palmtc_keypad_row_gpios[] = {
 	0, 9, 10, 11
 };
 
-const static unsigned int palmtc_keypad_col_gpios[] = {
+static const unsigned int palmtc_keypad_col_gpios[] = {
 	18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 79, 80
 };
 
diff --git a/arch/arm/mach-pxa/spitz.c b/arch/arm/mach-pxa/spitz.c
index 4d2413e..c1048a3 100644
--- a/arch/arm/mach-pxa/spitz.c
+++ b/arch/arm/mach-pxa/spitz.c
@@ -818,6 +818,9 @@ static struct i2c_board_info akita_i2c_board_info[] = {
 		.type		= "max7310",
 		.addr		= 0x18,
 		.platform_data	= &akita_ioexp,
+	}, {
+		.type		= "wm8750",
+		.addr		= 0x1b,
 	},
 };
 
diff --git a/arch/arm/mach-ux500/Makefile b/arch/arm/mach-ux500/Makefile
index c7bc419..4556aea 100644
--- a/arch/arm/mach-ux500/Makefile
+++ b/arch/arm/mach-ux500/Makefile
@@ -7,4 +7,5 @@ obj-$(CONFIG_UX500_SOC_DB5500)	+= cpu-db5500.o devices-db5500.o
 obj-$(CONFIG_UX500_SOC_DB8500)	+= cpu-db8500.o devices-db8500.o
 obj-$(CONFIG_MACH_U8500_MOP)	+= board-mop500.o
 obj-$(CONFIG_MACH_U5500)	+= board-u5500.o
-obj-$(CONFIG_SMP)		+= platsmp.o headsmp.o localtimer.o
+obj-$(CONFIG_SMP)		+= platsmp.o headsmp.o
+obj-$(CONFIG_LOCAL_TIMERS)	+= localtimer.o
diff --git a/arch/arm/mach-ux500/clock.c b/arch/arm/mach-ux500/clock.c
index 6544855..fe84b90 100644
--- a/arch/arm/mach-ux500/clock.c
+++ b/arch/arm/mach-ux500/clock.c
@@ -16,6 +16,7 @@
 
 #include <asm/clkdev.h>
 
+#include <plat/mtu.h>
 #include <mach/hardware.h>
 #include "clock.h"
 
@@ -59,6 +60,9 @@
 #define PRCM_DMACLK_MGT		0x074
 #define PRCM_B2R2CLK_MGT	0x078
 #define PRCM_TVCLK_MGT		0x07C
+#define PRCM_TCR		0x1C8
+#define PRCM_TCR_STOPPED	(1 << 16)
+#define PRCM_TCR_DOZE_MODE	(1 << 17)
 #define PRCM_UNIPROCLK_MGT	0x278
 #define PRCM_SSPCLK_MGT		0x280
 #define PRCM_RNGCLK_MGT		0x284
@@ -120,10 +124,95 @@ void clk_disable(struct clk *clk)
 }
 EXPORT_SYMBOL(clk_disable);
 
+/*
+ * The MTU has a separate, rather complex muxing setup
+ * with alternative parents (peripheral cluster or
+ * ULP or fixed 32768 Hz) depending on settings
+ */
+static unsigned long clk_mtu_get_rate(struct clk *clk)
+{
+	void __iomem *addr = __io_address(U8500_PRCMU_BASE)
+		+ PRCM_TCR;
+	u32 tcr = readl(addr);
+	int mtu = (int) clk->data;
+	/*
+	 * One of these is selected eventually
+	 * TODO: Replace the constant with a reference
+	 * to the ULP source once this is modeled.
+	 */
+	unsigned long clk32k = 32768;
+	unsigned long mturate;
+	unsigned long retclk;
+
+	/* Get the rate from the parent as a default */
+	if (clk->parent_periph)
+		mturate = clk_get_rate(clk->parent_periph);
+	else if (clk->parent_cluster)
+		mturate = clk_get_rate(clk->parent_cluster);
+	else
+		/* We need to be connected SOMEWHERE */
+		BUG();
+
+	/*
+	 * Are we in doze mode?
+	 * In this mode the parent peripheral or the fixed 32768 Hz
+	 * clock is fed into the block.
+	 */
+	if (!(tcr & PRCM_TCR_DOZE_MODE)) {
+		/*
+		 * Here we're using the clock input from the APE ULP
+		 * clock domain. But first: are the timers stopped?
+		 */
+		if (tcr & PRCM_TCR_STOPPED) {
+			clk32k = 0;
+			mturate = 0;
+		} else {
+			/* Else default mode: 0 and 2.4 MHz */
+			clk32k = 0;
+			if (cpu_is_u5500())
+				/* DB5500 divides by 8 */
+				mturate /= 8;
+			else if (cpu_is_u8500ed()) {
+				/*
+				 * This clocking setting must not be used
+				 * in the ED chip, it is simply not
+				 * connected anywhere!
+				 */
+				mturate = 0;
+				BUG();
+			} else
+				/*
+				 * In this mode the ulp38m4 clock is divided
+				 * by a factor 16, on the DB8500 typically
+				 * 38400000 / 16 ~ 2.4 MHz.
+				 * TODO: Replace the constant with a reference
+				 * to the ULP source once this is modeled.
+				 */
+				mturate = 38400000 / 16;
+		}
+	}
+
+	/* Return the clock selected for this MTU */
+	if (tcr & (1 << mtu))
+		retclk = clk32k;
+	else
+		retclk = mturate;
+
+	pr_info("MTU%d clock rate: %lu Hz\n", mtu, retclk);
+	return retclk;
+}
+
 unsigned long clk_get_rate(struct clk *clk)
 {
 	unsigned long rate;
 
+	/*
+	 * If there is a custom getrate callback for this clock,
+	 * it will take precedence.
+	 */
+	if (clk->get_rate)
+		return clk->get_rate(clk);
+
 	if (clk->ops && clk->ops->get_rate)
 		return clk->ops->get_rate(clk);
 
@@ -341,8 +430,9 @@ static DEFINE_PRCC_CLK(5, usb_v1, 	0,  0, NULL);
 
 /* Peripheral Cluster #6 */
 
-static DEFINE_PRCC_CLK(6, mtu1_v1, 	8, -1, NULL);
-static DEFINE_PRCC_CLK(6, mtu0_v1, 	7, -1, NULL);
+/* MTU ID in data */
+static DEFINE_PRCC_CLK_CUSTOM(6, mtu1_v1, 8, -1, NULL, clk_mtu_get_rate, 1);
+static DEFINE_PRCC_CLK_CUSTOM(6, mtu0_v1, 7, -1, NULL, clk_mtu_get_rate, 0);
 static DEFINE_PRCC_CLK(6, cfgreg_v1, 	6,  6, NULL);
 static DEFINE_PRCC_CLK(6, dmc_ed, 	6,  6, NULL);
 static DEFINE_PRCC_CLK(6, hash1, 	5, -1, NULL);
@@ -357,8 +447,9 @@ static DEFINE_PRCC_CLK(6, rng_v1, 	0,  0, &clk_rngclk);
 /* Peripheral Cluster #7 */
 
 static DEFINE_PRCC_CLK(7, tzpc0_ed, 	4, -1, NULL);
-static DEFINE_PRCC_CLK(7, mtu1_ed, 	3, -1, NULL);
-static DEFINE_PRCC_CLK(7, mtu0_ed, 	2, -1, NULL);
+/* MTU ID in data */
+static DEFINE_PRCC_CLK_CUSTOM(7, mtu1_ed, 3, -1, NULL, clk_mtu_get_rate, 1);
+static DEFINE_PRCC_CLK_CUSTOM(7, mtu0_ed, 2, -1, NULL, clk_mtu_get_rate, 0);
 static DEFINE_PRCC_CLK(7, wdg_ed, 	1, -1, NULL);
 static DEFINE_PRCC_CLK(7, cfgreg_ed, 	0, -1, NULL);
 
@@ -503,15 +594,17 @@ static struct clk_lookup u8500_v1_clks[] = {
 	CLK(uiccclk,	"uicc",		NULL),
 };
 
-static int __init clk_init(void)
+int __init clk_init(void)
 {
 	if (cpu_is_u8500ed()) {
 		clk_prcmu_ops.enable = clk_prcmu_ed_enable;
 		clk_prcmu_ops.disable = clk_prcmu_ed_disable;
+		clk_per6clk.rate = 100000000;
 	} else if (cpu_is_u5500()) {
 		/* Clock tree for U5500 not implemented yet */
 		clk_prcc_ops.enable = clk_prcc_ops.disable = NULL;
 		clk_prcmu_ops.enable = clk_prcmu_ops.disable = NULL;
+		clk_per6clk.rate = 26000000;
 	}
 
 	clkdev_add_table(u8500_common_clks, ARRAY_SIZE(u8500_common_clks));
@@ -522,4 +615,3 @@ static int __init clk_init(void)
 
 	return 0;
 }
-arch_initcall(clk_init);
diff --git a/arch/arm/mach-ux500/clock.h b/arch/arm/mach-ux500/clock.h
index e4f99b6..a058025 100644
--- a/arch/arm/mach-ux500/clock.h
+++ b/arch/arm/mach-ux500/clock.h
@@ -28,6 +28,9 @@ struct clkops {
  * @ops:		pointer to clkops struct used to control this clock
  * @name:		name, for debugging
  * @enabled:		refcount. positive if enabled, zero if disabled
+ * @get_rate:		custom callback for getting the clock rate
+ * @data:		custom per-clock data for example for the get_rate
+ *			callback
  * @rate:		fixed rate for clocks which don't implement
  * 			ops->getrate
  * @prcmu_cg_off:	address offset of the combined enable/disable register
@@ -67,6 +70,8 @@ struct clk {
 	const struct clkops	*ops;
 	const char 		*name;
 	unsigned int		enabled;
+	unsigned long		(*get_rate)(struct clk *);
+	void			*data;
 
 	unsigned long		rate;
 	struct list_head	list;
@@ -117,9 +122,26 @@ struct clk clk_##_name = {						\
 		.parent_periph 	= _kernclk				\
 	}
 
+#define DEFINE_PRCC_CLK_CUSTOM(_pclust, _name, _bus_en, _kernel_en, _kernclk, _callback, _data) \
+struct clk clk_##_name = {						\
+		.name		= #_name,				\
+		.ops		= &clk_prcc_ops,			\
+		.cluster	= _pclust,				\
+		.prcc_bus	= _bus_en,				\
+		.prcc_kernel	= _kernel_en,				\
+		.parent_cluster = &clk_per##_pclust##clk,		\
+		.parent_periph	= _kernclk,				\
+		.get_rate	= _callback,				\
+		.data		= (void *) _data			\
+	}
+
+
 #define CLK(_clk, _devname, _conname)			\
 	{						\
 		.clk	= &clk_##_clk,			\
 		.dev_id	= _devname,			\
 		.con_id = _conname,			\
 	}
+
+int __init clk_db8500_ed_fixup(void);
+int __init clk_init(void);
diff --git a/arch/arm/mach-ux500/cpu.c b/arch/arm/mach-ux500/cpu.c
index d81ad02..e0fd747 100644
--- a/arch/arm/mach-ux500/cpu.c
+++ b/arch/arm/mach-ux500/cpu.c
@@ -62,6 +62,12 @@ void __init ux500_init_irq(void)
 {
 	gic_dist_init(0, __io_address(UX500_GIC_DIST_BASE), 29);
 	gic_cpu_init(0, __io_address(UX500_GIC_CPU_BASE));
+
+	/*
+	 * Init clocks here so that they are available for system timer
+	 * initialization.
+	 */
+	clk_init();
 }
 
 #ifdef CONFIG_CACHE_L2X0
diff --git a/arch/arm/mm/copypage-feroceon.c b/arch/arm/mm/copypage-feroceon.c
index 5eb4fd9..ac163de 100644
--- a/arch/arm/mm/copypage-feroceon.c
+++ b/arch/arm/mm/copypage-feroceon.c
@@ -18,7 +18,7 @@ feroceon_copy_user_page(void *kto, const void *kfrom)
 {
 	asm("\
 	stmfd	sp!, {r4-r9, lr}		\n\
-	mov	ip, %0				\n\
+	mov	ip, %2				\n\
 1:	mov	lr, r1				\n\
 	ldmia	r1!, {r2 - r9}			\n\
 	pld	[lr, #32]			\n\
@@ -64,7 +64,7 @@ feroceon_copy_user_page(void *kto, const void *kfrom)
 	mcr	p15, 0, ip, c7, c10, 4		@ drain WB\n\
 	ldmfd	sp!, {r4-r9, pc}"
 	:
-	: "I" (PAGE_SIZE));
+	: "r" (kto), "r" (kfrom), "I" (PAGE_SIZE));
 }
 
 void feroceon_copy_user_highpage(struct page *to, struct page *from,
diff --git a/arch/arm/mm/copypage-v4wb.c b/arch/arm/mm/copypage-v4wb.c
index 7c2eb55..cb589cb 100644
--- a/arch/arm/mm/copypage-v4wb.c
+++ b/arch/arm/mm/copypage-v4wb.c
@@ -27,7 +27,7 @@ v4wb_copy_user_page(void *kto, const void *kfrom)
 {
 	asm("\
 	stmfd	sp!, {r4, lr}			@ 2\n\
-	mov	r2, %0				@ 1\n\
+	mov	r2, %2				@ 1\n\
 	ldmia	r1!, {r3, r4, ip, lr}		@ 4\n\
 1:	mcr	p15, 0, r0, c7, c6, 1		@ 1   invalidate D line\n\
 	stmia	r0!, {r3, r4, ip, lr}		@ 4\n\
@@ -44,7 +44,7 @@ v4wb_copy_user_page(void *kto, const void *kfrom)
 	mcr	p15, 0, r1, c7, c10, 4		@ 1   drain WB\n\
 	ldmfd	 sp!, {r4, pc}			@ 3"
 	:
-	: "I" (PAGE_SIZE / 64));
+	: "r" (kto), "r" (kfrom), "I" (PAGE_SIZE / 64));
 }
 
 void v4wb_copy_user_highpage(struct page *to, struct page *from,
diff --git a/arch/arm/mm/copypage-v4wt.c b/arch/arm/mm/copypage-v4wt.c
index 172e6a5..30c7d04 100644
--- a/arch/arm/mm/copypage-v4wt.c
+++ b/arch/arm/mm/copypage-v4wt.c
@@ -25,7 +25,7 @@ v4wt_copy_user_page(void *kto, const void *kfrom)
 {
 	asm("\
 	stmfd	sp!, {r4, lr}			@ 2\n\
-	mov	r2, %0				@ 1\n\
+	mov	r2, %2				@ 1\n\
 	ldmia	r1!, {r3, r4, ip, lr}		@ 4\n\
 1:	stmia	r0!, {r3, r4, ip, lr}		@ 4\n\
 	ldmia	r1!, {r3, r4, ip, lr}		@ 4+1\n\
@@ -40,7 +40,7 @@ v4wt_copy_user_page(void *kto, const void *kfrom)
 	mcr	p15, 0, r2, c7, c7, 0		@ flush ID cache\n\
 	ldmfd	sp!, {r4, pc}			@ 3"
 	:
-	: "I" (PAGE_SIZE / 64));
+	: "r" (kto), "r" (kfrom), "I" (PAGE_SIZE / 64));
 }
 
 void v4wt_copy_user_highpage(struct page *to, struct page *from,
diff --git a/arch/arm/mm/copypage-xsc3.c b/arch/arm/mm/copypage-xsc3.c
index 747ad41..f9cde07 100644
--- a/arch/arm/mm/copypage-xsc3.c
+++ b/arch/arm/mm/copypage-xsc3.c
@@ -34,7 +34,7 @@ xsc3_mc_copy_user_page(void *kto, const void *kfrom)
 {
 	asm("\
 	stmfd	sp!, {r4, r5, lr}		\n\
-	mov	lr, %0				\n\
+	mov	lr, %2				\n\
 						\n\
 	pld	[r1, #0]			\n\
 	pld	[r1, #32]			\n\
@@ -67,7 +67,7 @@ xsc3_mc_copy_user_page(void *kto, const void *kfrom)
 						\n\
 	ldmfd	sp!, {r4, r5, pc}"
 	:
-	: "I" (PAGE_SIZE / 64 - 1));
+	: "r" (kto), "r" (kfrom), "I" (PAGE_SIZE / 64 - 1));
 }
 
 void xsc3_mc_copy_user_highpage(struct page *to, struct page *from,
diff --git a/arch/arm/mm/fault.c b/arch/arm/mm/fault.c
index 92f5801..cbfb2ed 100644
--- a/arch/arm/mm/fault.c
+++ b/arch/arm/mm/fault.c
@@ -393,6 +393,9 @@ do_translation_fault(unsigned long addr, unsigned int fsr,
 	if (addr < TASK_SIZE)
 		return do_page_fault(addr, fsr, regs);
 
+	if (user_mode(regs))
+		goto bad_area;
+
 	index = pgd_index(addr);
 
 	/*
diff --git a/arch/arm/mm/highmem.c b/arch/arm/mm/highmem.c
index 77b030f..086816b 100644
--- a/arch/arm/mm/highmem.c
+++ b/arch/arm/mm/highmem.c
@@ -48,7 +48,16 @@ void *kmap_atomic(struct page *page, enum km_type type)
 
 	debug_kmap_atomic(type);
 
-	kmap = kmap_high_get(page);
+#ifdef CONFIG_DEBUG_HIGHMEM
+	/*
+	 * There is no cache coherency issue when non VIVT, so force the
+	 * dedicated kmap usage for better debugging purposes in that case.
+	 */
+	if (!cache_is_vivt())
+		kmap = NULL;
+	else
+#endif
+		kmap = kmap_high_get(page);
 	if (kmap)
 		return kmap;
 
diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c
index 1ba6cf5..f6a9994 100644
--- a/arch/arm/mm/init.c
+++ b/arch/arm/mm/init.c
@@ -678,10 +678,10 @@ void __init mem_init(void)
 void free_initmem(void)
 {
 #ifdef CONFIG_HAVE_TCM
-	extern char *__tcm_start, *__tcm_end;
+	extern char __tcm_start, __tcm_end;
 
-	totalram_pages += free_area(__phys_to_pfn(__pa(__tcm_start)),
-				    __phys_to_pfn(__pa(__tcm_end)),
+	totalram_pages += free_area(__phys_to_pfn(__pa(&__tcm_start)),
+				    __phys_to_pfn(__pa(&__tcm_end)),
 				    "TCM link");
 #endif
 
diff --git a/arch/arm/plat-nomadik/timer.c b/arch/arm/plat-nomadik/timer.c
index 0ff3798..08aaa4a 100644
--- a/arch/arm/plat-nomadik/timer.c
+++ b/arch/arm/plat-nomadik/timer.c
@@ -13,7 +13,9 @@
 #include <linux/irq.h>
 #include <linux/io.h>
 #include <linux/clockchips.h>
+#include <linux/clk.h>
 #include <linux/jiffies.h>
+#include <linux/err.h>
 #include <asm/mach/time.h>
 
 #include <plat/mtu.h>
@@ -124,13 +126,25 @@ static struct irqaction nmdk_timer_irq = {
 void __init nmdk_timer_init(void)
 {
 	unsigned long rate;
-	u32 cr = MTU_CRn_32BITS;;
+	struct clk *clk0;
+	struct clk *clk1;
+	u32 cr;
+
+	clk0 = clk_get_sys("mtu0", NULL);
+	BUG_ON(IS_ERR(clk0));
+
+	clk1 = clk_get_sys("mtu1", NULL);
+	BUG_ON(IS_ERR(clk1));
+
+	clk_enable(clk0);
+	clk_enable(clk1);
 
 	/*
 	 * Tick rate is 2.4MHz for Nomadik and 110MHz for ux500:
 	 * use a divide-by-16 counter if it's more than 16MHz
 	 */
-	rate = CLOCK_TICK_RATE;
+	cr = MTU_CRn_32BITS;;
+	rate = clk_get_rate(clk0);
 	if (rate > 16 << 20) {
 		rate /= 16;
 		cr |= MTU_CRn_PRESCALE_16;
@@ -153,6 +167,14 @@ void __init nmdk_timer_init(void)
 		       nmdk_clksrc.name);
 
 	/* Timer 1 is used for events, fix according to rate */
+	cr = MTU_CRn_32BITS;
+	rate = clk_get_rate(clk1);
+	if (rate > 16 << 20) {
+		rate /= 16;
+		cr |= MTU_CRn_PRESCALE_16;
+	} else {
+		cr |= MTU_CRn_PRESCALE_1;
+	}
 	writel(cr | MTU_CRn_ONESHOT, mtu_base + MTU_CR(1)); /* off, currently */
 	nmdk_clkevt.mult = div_sc(rate, NSEC_PER_SEC, nmdk_clkevt.shift);
 	nmdk_clkevt.max_delta_ns =
diff --git a/arch/arm/vfp/vfphw.S b/arch/arm/vfp/vfphw.S
index 66dc2d0..d66cead 100644
--- a/arch/arm/vfp/vfphw.S
+++ b/arch/arm/vfp/vfphw.S
@@ -277,7 +277,7 @@ ENTRY(vfp_put_double)
 #ifdef CONFIG_VFPv3
 	@ d16 - d31 registers
 	.irp	dr,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15
-1:	mcrr	p11, 3, r1, r2, c\dr	@ fmdrr	r1, r2, d\dr
+1:	mcrr	p11, 3, r0, r1, c\dr	@ fmdrr	r0, r1, d\dr
 	mov	pc, lr
 	.org	1b + 8
 	.endr
diff --git a/arch/frv/kernel/gdb-stub.c b/arch/frv/kernel/gdb-stub.c
index 84d103c3..a4dba6b 100644
--- a/arch/frv/kernel/gdb-stub.c
+++ b/arch/frv/kernel/gdb-stub.c
@@ -1789,6 +1789,12 @@ void gdbstub(int sigval)
 			flush_cache = 1;
 			break;
 
+			/* pNN: Read value of reg N and return it */
+		case 'p':
+			/* return no value, indicating that we don't support
+			 * this command and that gdb should use 'g' instead */
+			break;
+
 			/* PNN,=RRRRRRRR: Write value R to reg N return OK */
 		case 'P':
 			ptr = &input_buffer[1];
diff --git a/arch/ia64/kvm/kvm-ia64.c b/arch/ia64/kvm/kvm-ia64.c
index d5f4e91..21b70137 100644
--- a/arch/ia64/kvm/kvm-ia64.c
+++ b/arch/ia64/kvm/kvm-ia64.c
@@ -144,6 +144,7 @@ int kvm_arch_hardware_enable(void *garbage)
 				VP_INIT_ENV : VP_INIT_ENV_INITALIZE,
 			__pa(kvm_vm_buffer), KVM_VM_BUFFER_BASE, &tmp_base);
 	if (status != 0) {
+		spin_unlock(&vp_lock);
 		printk(KERN_WARNING"kvm: Failed to Enable VT Support!!!!\n");
 		return -EINVAL;
 	}
diff --git a/arch/microblaze/include/asm/page.h b/arch/microblaze/include/asm/page.h
index de493f8..464ff32 100644
--- a/arch/microblaze/include/asm/page.h
+++ b/arch/microblaze/include/asm/page.h
@@ -34,6 +34,8 @@
 /* MS be sure that SLAB allocates aligned objects */
 #define ARCH_KMALLOC_MINALIGN	L1_CACHE_BYTES
 
+#define ARCH_SLAB_MINALIGN	L1_CACHE_BYTES
+
 #define PAGE_UP(addr)	(((addr)+((PAGE_SIZE)-1))&(~((PAGE_SIZE)-1)))
 #define PAGE_DOWN(addr)	((addr)&(~((PAGE_SIZE)-1)))
 
diff --git a/arch/microblaze/kernel/dma.c b/arch/microblaze/kernel/dma.c
index 9dcd90b..79c7465 100644
--- a/arch/microblaze/kernel/dma.c
+++ b/arch/microblaze/kernel/dma.c
@@ -90,7 +90,6 @@ static int dma_direct_map_sg(struct device *dev, struct scatterlist *sgl,
 	/* FIXME this part of code is untested */
 	for_each_sg(sgl, sg, nents, i) {
 		sg->dma_address = sg_phys(sg) + get_dma_direct_offset(dev);
-		sg->dma_length = sg->length;
 		__dma_sync_page(page_to_phys(sg_page(sg)), sg->offset,
 							sg->length, direction);
 	}
diff --git a/arch/microblaze/pci/pci-common.c b/arch/microblaze/pci/pci-common.c
index 9cb782b..23be25f 100644
--- a/arch/microblaze/pci/pci-common.c
+++ b/arch/microblaze/pci/pci-common.c
@@ -1277,6 +1277,7 @@ void pcibios_allocate_bus_resources(struct pci_bus *bus)
 		printk(KERN_WARNING "PCI: Cannot allocate resource region "
 		       "%d of PCI bridge %d, will remap\n", i, bus->number);
 clear_resource:
+		res->start = res->end = 0;
 		res->flags = 0;
 	}
 
diff --git a/arch/mn10300/unit-asb2305/pci-asb2305.c b/arch/mn10300/unit-asb2305/pci-asb2305.c
index d6119b8..45b40ac 100644
--- a/arch/mn10300/unit-asb2305/pci-asb2305.c
+++ b/arch/mn10300/unit-asb2305/pci-asb2305.c
@@ -117,6 +117,7 @@ static void __init pcibios_allocate_bus_resources(struct list_head *bus_list)
 					 * Invalidate the resource to prevent
 					 * child resource allocations in this
 					 * range. */
+					r->start = r->end = 0;
 					r->flags = 0;
 				}
 			}
diff --git a/arch/powerpc/kernel/pci-common.c b/arch/powerpc/kernel/pci-common.c
index 6646005..5b38f6a 100644
--- a/arch/powerpc/kernel/pci-common.c
+++ b/arch/powerpc/kernel/pci-common.c
@@ -1309,6 +1309,7 @@ void pcibios_allocate_bus_resources(struct pci_bus *bus)
 		printk(KERN_WARNING "PCI: Cannot allocate resource region "
 		       "%d of PCI bridge %d, will remap\n", i, bus->number);
 clear_resource:
+		res->start = res->end = 0;
 		res->flags = 0;
 	}
 
diff --git a/arch/powerpc/kvm/e500.c b/arch/powerpc/kvm/e500.c
index bc2b400..e8a00b0 100644
--- a/arch/powerpc/kvm/e500.c
+++ b/arch/powerpc/kvm/e500.c
@@ -164,7 +164,7 @@ static int __init kvmppc_e500_init(void)
 	return kvm_init(NULL, sizeof(struct kvmppc_vcpu_e500), 0, THIS_MODULE);
 }
 
-static void __init kvmppc_e500_exit(void)
+static void __exit kvmppc_e500_exit(void)
 {
 	kvmppc_booke_exit();
 }
diff --git a/arch/powerpc/oprofile/op_model_cell.c b/arch/powerpc/oprofile/op_model_cell.c
index 2c9e522..7fd90d0 100644
--- a/arch/powerpc/oprofile/op_model_cell.c
+++ b/arch/powerpc/oprofile/op_model_cell.c
@@ -1077,7 +1077,7 @@ static int calculate_lfsr(int n)
 		index = ENTRIES-1;
 
 	/* make sure index is valid */
-	if ((index > ENTRIES) || (index < 0))
+	if ((index >= ENTRIES) || (index < 0))
 		index = ENTRIES-1;
 
 	return initial_lfsr[index];
diff --git a/arch/s390/appldata/appldata_os.c b/arch/s390/appldata/appldata_os.c
index 55c80ffd..92f1cb7 100644
--- a/arch/s390/appldata/appldata_os.c
+++ b/arch/s390/appldata/appldata_os.c
@@ -181,7 +181,7 @@ static int __init appldata_os_init(void)
 		goto out;
 	}
 
-	appldata_os_data = kzalloc(max_size, GFP_DMA);
+	appldata_os_data = kzalloc(max_size, GFP_KERNEL | GFP_DMA);
 	if (appldata_os_data == NULL) {
 		rc = -ENOMEM;
 		goto out;
diff --git a/arch/s390/defconfig b/arch/s390/defconfig
index bcd6884..253f158 100644
--- a/arch/s390/defconfig
+++ b/arch/s390/defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.34-rc3
-# Fri Apr  9 09:57:10 2010
+# Linux kernel version: 2.6.35-rc1
+# Fri Jun  4 11:32:40 2010
 #
 CONFIG_SCHED_MC=y
 CONFIG_MMU=y
@@ -35,11 +35,13 @@ CONFIG_CONSTRUCTORS=y
 CONFIG_EXPERIMENTAL=y
 CONFIG_LOCK_KERNEL=y
 CONFIG_INIT_ENV_ARG_LIMIT=32
+CONFIG_CROSS_COMPILE=""
 CONFIG_LOCALVERSION=""
 CONFIG_LOCALVERSION_AUTO=y
 CONFIG_HAVE_KERNEL_GZIP=y
 CONFIG_HAVE_KERNEL_BZIP2=y
 CONFIG_HAVE_KERNEL_LZMA=y
+CONFIG_HAVE_KERNEL_LZO=y
 CONFIG_KERNEL_GZIP=y
 # CONFIG_KERNEL_BZIP2 is not set
 # CONFIG_KERNEL_LZMA is not set
@@ -77,6 +79,7 @@ CONFIG_CGROUP_NS=y
 # CONFIG_CGROUP_CPUACCT is not set
 # CONFIG_RESOURCE_COUNTERS is not set
 # CONFIG_CGROUP_SCHED is not set
+# CONFIG_BLK_CGROUP is not set
 CONFIG_SYSFS_DEPRECATED=y
 CONFIG_SYSFS_DEPRECATED_V2=y
 # CONFIG_RELAY is not set
@@ -157,7 +160,6 @@ CONFIG_STOP_MACHINE=y
 CONFIG_BLOCK=y
 CONFIG_BLK_DEV_BSG=y
 # CONFIG_BLK_DEV_INTEGRITY is not set
-# CONFIG_BLK_CGROUP is not set
 CONFIG_BLOCK_COMPAT=y
 
 #
@@ -166,7 +168,6 @@ CONFIG_BLOCK_COMPAT=y
 CONFIG_IOSCHED_NOOP=y
 CONFIG_IOSCHED_DEADLINE=y
 CONFIG_IOSCHED_CFQ=y
-# CONFIG_CFQ_GROUP_IOSCHED is not set
 CONFIG_DEFAULT_DEADLINE=y
 # CONFIG_DEFAULT_CFQ is not set
 # CONFIG_DEFAULT_NOOP is not set
@@ -247,7 +248,6 @@ CONFIG_64BIT=y
 CONFIG_SMP=y
 CONFIG_NR_CPUS=32
 CONFIG_HOTPLUG_CPU=y
-# CONFIG_SCHED_BOOK is not set
 CONFIG_COMPAT=y
 CONFIG_SYSVIPC_COMPAT=y
 CONFIG_AUDIT_ARCH=y
@@ -320,7 +320,6 @@ CONFIG_COMPAT_BINFMT_ELF=y
 # CONFIG_HAVE_AOUT is not set
 CONFIG_BINFMT_MISC=m
 CONFIG_FORCE_MAX_ZONEORDER=9
-# CONFIG_PROCESS_DEBUG is not set
 CONFIG_PFAULT=y
 # CONFIG_SHARED_KERNEL is not set
 # CONFIG_CMM is not set
@@ -457,6 +456,7 @@ CONFIG_NF_CONNTRACK=m
 # CONFIG_IP6_NF_IPTABLES is not set
 # CONFIG_IP_DCCP is not set
 CONFIG_IP_SCTP=m
+# CONFIG_NET_SCTPPROBE is not set
 # CONFIG_SCTP_DBG_MSG is not set
 # CONFIG_SCTP_DBG_OBJCNT is not set
 # CONFIG_SCTP_HMAC_NONE is not set
@@ -465,6 +465,7 @@ CONFIG_SCTP_HMAC_MD5=y
 # CONFIG_RDS is not set
 # CONFIG_TIPC is not set
 # CONFIG_ATM is not set
+# CONFIG_L2TP is not set
 # CONFIG_BRIDGE is not set
 # CONFIG_VLAN_8021Q is not set
 # CONFIG_DECNET is not set
@@ -525,6 +526,7 @@ CONFIG_NET_ACT_NAT=m
 # CONFIG_NET_CLS_IND is not set
 CONFIG_NET_SCH_FIFO=y
 # CONFIG_DCB is not set
+CONFIG_RPS=y
 
 #
 # Network testing
@@ -546,6 +548,7 @@ CONFIG_CAN_VCAN=m
 # CONFIG_WIMAX is not set
 # CONFIG_RFKILL is not set
 # CONFIG_NET_9P is not set
+# CONFIG_CAIF is not set
 # CONFIG_PCMCIA is not set
 CONFIG_CCW=y
 
@@ -728,6 +731,7 @@ CONFIG_VIRTIO_NET=m
 # Character devices
 #
 CONFIG_DEVKMEM=y
+# CONFIG_N_GSM is not set
 CONFIG_UNIX98_PTYS=y
 # CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set
 CONFIG_LEGACY_PTYS=y
@@ -775,6 +779,7 @@ CONFIG_S390_TAPE_34XX=m
 # CONFIG_MONREADER is not set
 CONFIG_MONWRITER=m
 CONFIG_S390_VMUR=m
+# CONFIG_RAMOOPS is not set
 
 #
 # PPS support
@@ -788,10 +793,6 @@ CONFIG_S390_VMUR=m
 # CONFIG_NEW_LEDS is not set
 CONFIG_ACCESSIBILITY=y
 # CONFIG_AUXDISPLAY is not set
-
-#
-# TI VLYNQ
-#
 # CONFIG_STAGING is not set
 
 #
@@ -976,6 +977,7 @@ CONFIG_DEBUG_MEMORY_INIT=y
 # CONFIG_DEBUG_BLOCK_EXT_DEVT is not set
 CONFIG_DEBUG_FORCE_WEAK_PER_CPU=y
 # CONFIG_LKDTM is not set
+# CONFIG_CPU_NOTIFIER_ERROR_INJECT is not set
 # CONFIG_FAULT_INJECTION is not set
 # CONFIG_LATENCYTOP is not set
 CONFIG_SYSCTL_SYSCALL_CHECK=y
@@ -1010,6 +1012,7 @@ CONFIG_BRANCH_PROFILE_NONE=y
 CONFIG_KPROBE_EVENT=y
 # CONFIG_RING_BUFFER_BENCHMARK is not set
 # CONFIG_DYNAMIC_DEBUG is not set
+# CONFIG_ATOMIC64_SELFTEST is not set
 CONFIG_SAMPLES=y
 # CONFIG_SAMPLE_TRACEPOINTS is not set
 # CONFIG_SAMPLE_TRACE_EVENTS is not set
diff --git a/arch/s390/kernel/module.c b/arch/s390/kernel/module.c
index 639380a..22cfd63 100644
--- a/arch/s390/kernel/module.c
+++ b/arch/s390/kernel/module.c
@@ -55,8 +55,10 @@ void *module_alloc(unsigned long size)
 /* Free memory returned from module_alloc */
 void module_free(struct module *mod, void *module_region)
 {
-	vfree(mod->arch.syminfo);
-	mod->arch.syminfo = NULL;
+	if (mod) {
+		vfree(mod->arch.syminfo);
+		mod->arch.syminfo = NULL;
+	}
 	vfree(module_region);
 }
 
diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
index 8093e6f..ae37058 100644
--- a/arch/s390/kvm/kvm-s390.c
+++ b/arch/s390/kvm/kvm-s390.c
@@ -761,7 +761,7 @@ static int __init kvm_s390_init(void)
 	 * to hold the maximum amount of facilites. On the other hand, we
 	 * only set facilities that are known to work in KVM.
 	 */
-	facilities = (unsigned long long *) get_zeroed_page(GFP_DMA);
+	facilities = (unsigned long long *) get_zeroed_page(GFP_KERNEL|GFP_DMA);
 	if (!facilities) {
 		kvm_exit();
 		return -ENOMEM;
diff --git a/arch/s390/kvm/sigp.c b/arch/s390/kvm/sigp.c
index eff3c59..702276f 100644
--- a/arch/s390/kvm/sigp.c
+++ b/arch/s390/kvm/sigp.c
@@ -113,7 +113,7 @@ static int __inject_sigp_stop(struct kvm_s390_local_interrupt *li, int action)
 {
 	struct kvm_s390_interrupt_info *inti;
 
-	inti = kzalloc(sizeof(*inti), GFP_KERNEL);
+	inti = kzalloc(sizeof(*inti), GFP_ATOMIC);
 	if (!inti)
 		return -ENOMEM;
 	inti->type = KVM_S390_SIGP_STOP;
diff --git a/arch/s390/mm/extmem.c b/arch/s390/mm/extmem.c
index 6409fd5..3cc95dd 100644
--- a/arch/s390/mm/extmem.c
+++ b/arch/s390/mm/extmem.c
@@ -105,7 +105,7 @@ static int
 dcss_set_subcodes(void)
 {
 #ifdef CONFIG_64BIT
-	char *name = kmalloc(8 * sizeof(char), GFP_DMA);
+	char *name = kmalloc(8 * sizeof(char), GFP_KERNEL | GFP_DMA);
 	unsigned long rx, ry;
 	int rc;
 
@@ -252,12 +252,13 @@ dcss_diag_translate_rc (int vm_rc) {
 static int
 query_segment_type (struct dcss_segment *seg)
 {
-	struct qin64  *qin = kmalloc (sizeof(struct qin64), GFP_DMA);
-	struct qout64 *qout = kmalloc (sizeof(struct qout64), GFP_DMA);
-
-	int diag_cc, rc, i;
 	unsigned long dummy, vmrc;
+	int diag_cc, rc, i;
+	struct qout64 *qout;
+	struct qin64 *qin;
 
+	qin = kmalloc(sizeof(*qin), GFP_KERNEL | GFP_DMA);
+	qout = kmalloc(sizeof(*qout), GFP_KERNEL | GFP_DMA);
 	if ((qin == NULL) || (qout == NULL)) {
 		rc = -ENOMEM;
 		goto out_free;
@@ -286,7 +287,7 @@ query_segment_type (struct dcss_segment *seg)
 	   copy data for the new format. */
 	if (segext_scode == DCSS_SEGEXT) {
 		struct qout64_old *qout_old;
-		qout_old = kzalloc(sizeof(struct qout64_old), GFP_DMA);
+		qout_old = kzalloc(sizeof(*qout_old), GFP_KERNEL | GFP_DMA);
 		if (qout_old == NULL) {
 			rc = -ENOMEM;
 			goto out_free;
@@ -407,11 +408,11 @@ segment_overlaps_others (struct dcss_segment *seg)
 static int
 __segment_load (char *name, int do_nonshared, unsigned long *addr, unsigned long *end)
 {
-	struct dcss_segment *seg = kmalloc(sizeof(struct dcss_segment),
-			GFP_DMA);
-	int rc, diag_cc;
 	unsigned long start_addr, end_addr, dummy;
+	struct dcss_segment *seg;
+	int rc, diag_cc;
 
+	seg = kmalloc(sizeof(*seg), GFP_KERNEL | GFP_DMA);
 	if (seg == NULL) {
 		rc = -ENOMEM;
 		goto out;
diff --git a/arch/x86/include/asm/msr-index.h b/arch/x86/include/asm/msr-index.h
index b49d8ca..8c7ae43 100644
--- a/arch/x86/include/asm/msr-index.h
+++ b/arch/x86/include/asm/msr-index.h
@@ -110,6 +110,7 @@
 #define MSR_AMD64_PATCH_LOADER		0xc0010020
 #define MSR_AMD64_OSVW_ID_LENGTH	0xc0010140
 #define MSR_AMD64_OSVW_STATUS		0xc0010141
+#define MSR_AMD64_DC_CFG		0xc0011022
 #define MSR_AMD64_IBSFETCHCTL		0xc0011030
 #define MSR_AMD64_IBSFETCHLINAD		0xc0011031
 #define MSR_AMD64_IBSFETCHPHYSAD	0xc0011032
diff --git a/arch/x86/include/asm/suspend_32.h b/arch/x86/include/asm/suspend_32.h
index 48dcfa6..fd921c3 100644
--- a/arch/x86/include/asm/suspend_32.h
+++ b/arch/x86/include/asm/suspend_32.h
@@ -15,6 +15,8 @@ static inline int arch_prepare_suspend(void) { return 0; }
 struct saved_context {
 	u16 es, fs, gs, ss;
 	unsigned long cr0, cr2, cr3, cr4;
+	u64 misc_enable;
+	bool misc_enable_saved;
 	struct desc_ptr gdt;
 	struct desc_ptr idt;
 	u16 ldt;
diff --git a/arch/x86/include/asm/suspend_64.h b/arch/x86/include/asm/suspend_64.h
index 06284f4..8d942af 100644
--- a/arch/x86/include/asm/suspend_64.h
+++ b/arch/x86/include/asm/suspend_64.h
@@ -27,6 +27,8 @@ struct saved_context {
 	u16 ds, es, fs, gs, ss;
 	unsigned long gs_base, gs_kernel_base, fs_base;
 	unsigned long cr0, cr2, cr3, cr4, cr8;
+	u64 misc_enable;
+	bool misc_enable_saved;
 	unsigned long efer;
 	u16 gdt_pad;
 	u16 gdt_limit;
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index 81563e7..a6f695d 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -1815,6 +1815,9 @@ static int set_spte(struct kvm_vcpu *vcpu, u64 *sptep,
 
 		spte |= PT_WRITABLE_MASK;
 
+		if (!tdp_enabled && !(pte_access & ACC_WRITE_MASK))
+			spte &= ~PT_USER_MASK;
+
 		/*
 		 * Optimization: for pte sync, if spte was writable the hash
 		 * lookup is unnecessary (and expensive). Write protection
@@ -1870,6 +1873,8 @@ static void mmu_set_spte(struct kvm_vcpu *vcpu, u64 *sptep,
 
 			child = page_header(pte & PT64_BASE_ADDR_MASK);
 			mmu_page_remove_parent_pte(child, sptep);
+			__set_spte(sptep, shadow_trap_nonpresent_pte);
+			kvm_flush_remote_tlbs(vcpu->kvm);
 		} else if (pfn != spte_to_pfn(*sptep)) {
 			pgprintk("hfn old %lx new %lx\n",
 				 spte_to_pfn(*sptep), pfn);
diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index 96dc232..ce438e0 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -28,6 +28,7 @@
 #include <linux/ftrace_event.h>
 #include <linux/slab.h>
 
+#include <asm/tlbflush.h>
 #include <asm/desc.h>
 
 #include <asm/virtext.h>
@@ -56,6 +57,8 @@ MODULE_LICENSE("GPL");
 
 #define DEBUGCTL_RESERVED_BITS (~(0x3fULL))
 
+static bool erratum_383_found __read_mostly;
+
 static const u32 host_save_user_msrs[] = {
 #ifdef CONFIG_X86_64
 	MSR_STAR, MSR_LSTAR, MSR_CSTAR, MSR_SYSCALL_MASK, MSR_KERNEL_GS_BASE,
@@ -374,6 +377,31 @@ static void svm_queue_exception(struct kvm_vcpu *vcpu, unsigned nr,
 	svm->vmcb->control.event_inj_err = error_code;
 }
 
+static void svm_init_erratum_383(void)
+{
+	u32 low, high;
+	int err;
+	u64 val;
+
+	/* Only Fam10h is affected */
+	if (boot_cpu_data.x86 != 0x10)
+		return;
+
+	/* Use _safe variants to not break nested virtualization */
+	val = native_read_msr_safe(MSR_AMD64_DC_CFG, &err);
+	if (err)
+		return;
+
+	val |= (1ULL << 47);
+
+	low  = lower_32_bits(val);
+	high = upper_32_bits(val);
+
+	native_write_msr_safe(MSR_AMD64_DC_CFG, low, high);
+
+	erratum_383_found = true;
+}
+
 static int has_svm(void)
 {
 	const char *msg;
@@ -429,6 +457,8 @@ static int svm_hardware_enable(void *garbage)
 
 	wrmsrl(MSR_VM_HSAVE_PA, page_to_pfn(sd->save_area) << PAGE_SHIFT);
 
+	svm_init_erratum_383();
+
 	return 0;
 }
 
@@ -1410,8 +1440,59 @@ static int nm_interception(struct vcpu_svm *svm)
 	return 1;
 }
 
-static int mc_interception(struct vcpu_svm *svm)
+static bool is_erratum_383(void)
 {
+	int err, i;
+	u64 value;
+
+	if (!erratum_383_found)
+		return false;
+
+	value = native_read_msr_safe(MSR_IA32_MC0_STATUS, &err);
+	if (err)
+		return false;
+
+	/* Bit 62 may or may not be set for this mce */
+	value &= ~(1ULL << 62);
+
+	if (value != 0xb600000000010015ULL)
+		return false;
+
+	/* Clear MCi_STATUS registers */
+	for (i = 0; i < 6; ++i)
+		native_write_msr_safe(MSR_IA32_MCx_STATUS(i), 0, 0);
+
+	value = native_read_msr_safe(MSR_IA32_MCG_STATUS, &err);
+	if (!err) {
+		u32 low, high;
+
+		value &= ~(1ULL << 2);
+		low    = lower_32_bits(value);
+		high   = upper_32_bits(value);
+
+		native_write_msr_safe(MSR_IA32_MCG_STATUS, low, high);
+	}
+
+	/* Flush tlb to evict multi-match entries */
+	__flush_tlb_all();
+
+	return true;
+}
+
+static void svm_handle_mce(struct vcpu_svm *svm)
+{
+	if (is_erratum_383()) {
+		/*
+		 * Erratum 383 triggered. Guest state is corrupt so kill the
+		 * guest.
+		 */
+		pr_err("KVM: Guest triggered AMD Erratum 383\n");
+
+		set_bit(KVM_REQ_TRIPLE_FAULT, &svm->vcpu.requests);
+
+		return;
+	}
+
 	/*
 	 * On an #MC intercept the MCE handler is not called automatically in
 	 * the host. So do it by hand here.
@@ -1420,6 +1501,11 @@ static int mc_interception(struct vcpu_svm *svm)
 		"int $0x12\n");
 	/* not sure if we ever come back to this point */
 
+	return;
+}
+
+static int mc_interception(struct vcpu_svm *svm)
+{
 	return 1;
 }
 
@@ -3088,6 +3174,14 @@ static void svm_vcpu_run(struct kvm_vcpu *vcpu)
 		vcpu->arch.regs_avail &= ~(1 << VCPU_EXREG_PDPTR);
 		vcpu->arch.regs_dirty &= ~(1 << VCPU_EXREG_PDPTR);
 	}
+
+	/*
+	 * We need to handle MC intercepts here before the vcpu has a chance to
+	 * change the physical cpu
+	 */
+	if (unlikely(svm->vmcb->control.exit_code ==
+		     SVM_EXIT_EXCP_BASE + MC_VECTOR))
+		svm_handle_mce(svm);
 }
 
 #undef R
diff --git a/arch/x86/pci/i386.c b/arch/x86/pci/i386.c
index 97da2ba..6fdb3ec 100644
--- a/arch/x86/pci/i386.c
+++ b/arch/x86/pci/i386.c
@@ -96,6 +96,7 @@ EXPORT_SYMBOL(pcibios_align_resource);
  *	  the fact the PCI specs explicitly allow address decoders to be
  *	  shared between expansion ROMs and other resource regions, it's
  *	  at least dangerous)
+ *	- bad resource sizes or overlaps with other regions
  *
  *  Our solution:
  *	(1) Allocate resources for all buses behind PCI-to-PCI bridges.
@@ -136,6 +137,7 @@ static void __init pcibios_allocate_bus_resources(struct list_head *bus_list)
 					 * child resource allocations in this
 					 * range.
 					 */
+					r->start = r->end = 0;
 					r->flags = 0;
 				}
 			}
diff --git a/arch/x86/power/cpu.c b/arch/x86/power/cpu.c
index 0a979f3..1290ba5 100644
--- a/arch/x86/power/cpu.c
+++ b/arch/x86/power/cpu.c
@@ -105,6 +105,8 @@ static void __save_processor_state(struct saved_context *ctxt)
 	ctxt->cr4 = read_cr4();
 	ctxt->cr8 = read_cr8();
 #endif
+	ctxt->misc_enable_saved = !rdmsrl_safe(MSR_IA32_MISC_ENABLE,
+					       &ctxt->misc_enable);
 }
 
 /* Needed by apm.c */
@@ -152,6 +154,8 @@ static void fix_processor_context(void)
  */
 static void __restore_processor_state(struct saved_context *ctxt)
 {
+	if (ctxt->misc_enable_saved)
+		wrmsrl(MSR_IA32_MISC_ENABLE, ctxt->misc_enable);
 	/*
 	 * control registers
 	 */