Merge remote branch 'airlied/drm-next' into drm-intel-next

15 files changed, 51 insertions, 16 deletions

diff --git a/arch/m32r/boot/compressed/Makefile b/arch/m32r/boot/compressed/Makefile
index 1003880d0df..177716b1d61 100644
--- a/arch/m32r/boot/compressed/Makefile
+++ b/arch/m32r/boot/compressed/Makefile
@@ -1,5 +1,5 @@
 #
-# linux/arch/sh/boot/compressed/Makefile
+# linux/arch/m32r/boot/compressed/Makefile
 #
 # create a compressed vmlinux image from the original vmlinux
 #
@@ -47,5 +47,5 @@ suffix_$(CONFIG_KERNEL_GZIP)	= gz
 suffix_$(CONFIG_KERNEL_BZIP2)	= bz2
 suffix_$(CONFIG_KERNEL_LZMA)	= lzma
 
-$(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmlinux.bin.$(suffix_y) FORCE
+$(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmlinux.bin.$(suffix-y) FORCE
 	$(call if_changed,ld)
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 10a0a5488a4..2ba14e77296 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -414,6 +414,10 @@ config ARCH_SPARSEMEM_DEFAULT
 config ARCH_POPULATES_NODE_MAP
 	def_bool y
 
+config SYS_SUPPORTS_HUGETLBFS
+       def_bool y
+       depends on PPC_BOOK3S_64
+
 source "mm/Kconfig"
 
 config ARCH_MEMORY_PROBE
diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c
index 92dc844299b..a136a11c490 100644
--- a/arch/powerpc/kernel/time.c
+++ b/arch/powerpc/kernel/time.c
@@ -777,7 +777,7 @@ int update_persistent_clock(struct timespec now)
 	return ppc_md.set_rtc_time(&tm);
 }
 
-void read_persistent_clock(struct timespec *ts)
+static void __read_persistent_clock(struct timespec *ts)
 {
 	struct rtc_time tm;
 	static int first = 1;
@@ -800,10 +800,23 @@ void read_persistent_clock(struct timespec *ts)
 		return;
 	}
 	ppc_md.get_rtc_time(&tm);
+
 	ts->tv_sec = mktime(tm.tm_year+1900, tm.tm_mon+1, tm.tm_mday,
 			    tm.tm_hour, tm.tm_min, tm.tm_sec);
 }
 
+void read_persistent_clock(struct timespec *ts)
+{
+	__read_persistent_clock(ts);
+
+	/* Sanitize it in case real time clock is set below EPOCH */
+	if (ts->tv_sec < 0) {
+		ts->tv_sec = 0;
+		ts->tv_nsec = 0;
+	}
+		
+}
+
 /* clocksource code */
 static cycle_t rtc_read(struct clocksource *cs)
 {
diff --git a/arch/powerpc/kvm/timing.h b/arch/powerpc/kvm/timing.h
index bb13b1f3cd5..806ef67868b 100644
--- a/arch/powerpc/kvm/timing.h
+++ b/arch/powerpc/kvm/timing.h
@@ -48,7 +48,11 @@ static inline void kvmppc_set_exit_type(struct kvm_vcpu *vcpu, int type) {}
 static inline void kvmppc_account_exit_stat(struct kvm_vcpu *vcpu, int type)
 {
 	/* type has to be known at build time for optimization */
+
+	/* The BUILD_BUG_ON below breaks in funny ways, commented out
+	 * for now ... -BenH
 	BUILD_BUG_ON(__builtin_constant_p(type));
+	*/
 	switch (type) {
 	case EXT_INTR_EXITS:
 		vcpu->stat.ext_intr_exits++;
diff --git a/arch/powerpc/mm/mmu_context_nohash.c b/arch/powerpc/mm/mmu_context_nohash.c
index c2f93dc470e..be4f34c30a0 100644
--- a/arch/powerpc/mm/mmu_context_nohash.c
+++ b/arch/powerpc/mm/mmu_context_nohash.c
@@ -25,8 +25,8 @@
  *     also clear mm->cpu_vm_mask bits when processes are migrated
  */
 
-#define DEBUG_MAP_CONSISTENCY
-#define DEBUG_CLAMP_LAST_CONTEXT   31
+//#define DEBUG_MAP_CONSISTENCY
+//#define DEBUG_CLAMP_LAST_CONTEXT   31
 //#define DEBUG_HARDER
 
 /* We don't use DEBUG because it tends to be compiled in always nowadays
diff --git a/arch/powerpc/platforms/pseries/msi.c b/arch/powerpc/platforms/pseries/msi.c
index bf2e1ac4130..1164c3430f2 100644
--- a/arch/powerpc/platforms/pseries/msi.c
+++ b/arch/powerpc/platforms/pseries/msi.c
@@ -432,8 +432,6 @@ static int rtas_setup_msi_irqs(struct pci_dev *pdev, int nvec, int type)
 		/* Read config space back so we can restore after reset */
 		read_msi_msg(virq, &msg);
 		entry->msg = msg;
-
-		unmask_msi_irq(virq);
 	}
 
 	return 0;
diff --git a/arch/powerpc/platforms/pseries/xics.c b/arch/powerpc/platforms/pseries/xics.c
index 419f8a637ff..b9bf0eedccf 100644
--- a/arch/powerpc/platforms/pseries/xics.c
+++ b/arch/powerpc/platforms/pseries/xics.c
@@ -18,6 +18,7 @@
 #include <linux/init.h>
 #include <linux/radix-tree.h>
 #include <linux/cpu.h>
+#include <linux/msi.h>
 #include <linux/of.h>
 
 #include <asm/firmware.h>
@@ -219,6 +220,14 @@ static void xics_unmask_irq(unsigned int virq)
 
 static unsigned int xics_startup(unsigned int virq)
 {
+	/*
+	 * The generic MSI code returns with the interrupt disabled on the
+	 * card, using the MSI mask bits. Firmware doesn't appear to unmask
+	 * at that level, so we do it here by hand.
+	 */
+	if (irq_to_desc(virq)->msi_desc)
+		unmask_msi_irq(virq);
+
 	/* unmask it */
 	xics_unmask_irq(virq);
 	return 0;
diff --git a/arch/sh/include/asm/rwsem.h b/arch/sh/include/asm/rwsem.h
index 1987f3ea7f1..06e2251a5e4 100644
--- a/arch/sh/include/asm/rwsem.h
+++ b/arch/sh/include/asm/rwsem.h
@@ -41,7 +41,7 @@ struct rw_semaphore {
 #endif
 
 #define __RWSEM_INITIALIZER(name) \
-	{ RWSEM_UNLOCKED_VALUE, SPIN_LOCK_UNLOCKED, \
+	{ RWSEM_UNLOCKED_VALUE, __SPIN_LOCK_UNLOCKED((name).wait_lock), \
 	  LIST_HEAD_INIT((name).wait_list) \
 	  __RWSEM_DEP_MAP_INIT(name) }
 
diff --git a/arch/sh/kernel/dwarf.c b/arch/sh/kernel/dwarf.c
index 2d07084e488..d76a23170db 100644
--- a/arch/sh/kernel/dwarf.c
+++ b/arch/sh/kernel/dwarf.c
@@ -555,7 +555,7 @@ struct dwarf_frame * dwarf_unwind_stack(unsigned long pc,
 	 * NOTE: the return address is guaranteed to be setup by the
 	 * time this function makes its first function call.
 	 */
-	if (!pc && !prev)
+	if (!pc || !prev)
 		pc = (unsigned long)current_text_addr();
 
 #ifdef CONFIG_FUNCTION_GRAPH_TRACER
diff --git a/arch/sh/mm/cache-sh4.c b/arch/sh/mm/cache-sh4.c
index 519e2d16cd0..b7f235c74d6 100644
--- a/arch/sh/mm/cache-sh4.c
+++ b/arch/sh/mm/cache-sh4.c
@@ -72,6 +72,7 @@ static void __uses_jump_to_uncached sh4_flush_icache_range(void *args)
 
 	for (v = start; v < end; v += L1_CACHE_BYTES) {
 		unsigned long icacheaddr;
+		int j, n;
 
 		__ocbwb(v);
 
@@ -79,8 +80,10 @@ static void __uses_jump_to_uncached sh4_flush_icache_range(void *args)
 				cpu_data->icache.entry_mask);
 
 		/* Clear i-cache line valid-bit */
+		n = boot_cpu_data.icache.n_aliases;
 		for (i = 0; i < cpu_data->icache.ways; i++) {
-			__raw_writel(0, icacheaddr);
+			for (j = 0; j < n; j++)
+				__raw_writel(0, icacheaddr + (j * PAGE_SIZE));
 			icacheaddr += cpu_data->icache.way_incr;
 		}
 	}
diff --git a/arch/sparc/include/asm/system_64.h b/arch/sparc/include/asm/system_64.h
index 25e848f0cad..d47a98e6697 100644
--- a/arch/sparc/include/asm/system_64.h
+++ b/arch/sparc/include/asm/system_64.h
@@ -63,6 +63,10 @@ do {	__asm__ __volatile__("ba,pt	%%xcc, 1f\n\t" \
 			     : : : "memory"); \
 } while (0)
 
+/* The kernel always executes in TSO memory model these days,
+ * and furthermore most sparc64 chips implement more stringent
+ * memory ordering than required by the specifications.
+ */
 #define mb()	membar_safe("#StoreLoad")
 #define rmb()	__asm__ __volatile__("":::"memory")
 #define wmb()	__asm__ __volatile__("":::"memory")
diff --git a/arch/sparc/kernel/prom_common.c b/arch/sparc/kernel/prom_common.c
index 138910c6720..d80a65d9e89 100644
--- a/arch/sparc/kernel/prom_common.c
+++ b/arch/sparc/kernel/prom_common.c
@@ -79,6 +79,7 @@ int of_set_property(struct device_node *dp, const char *name, void *val, int len
 
 	err = -ENODEV;
 
+	mutex_lock(&of_set_property_mutex);
 	write_lock(&devtree_lock);
 	prevp = &dp->properties;
 	while (*prevp) {
@@ -88,9 +89,7 @@ int of_set_property(struct device_node *dp, const char *name, void *val, int len
 			void *old_val = prop->value;
 			int ret;
 
-			mutex_lock(&of_set_property_mutex);
 			ret = prom_setprop(dp->node, name, val, len);
-			mutex_unlock(&of_set_property_mutex);
 
 			err = -EINVAL;
 			if (ret >= 0) {
@@ -109,6 +108,7 @@ int of_set_property(struct device_node *dp, const char *name, void *val, int len
 		prevp = &(*prevp)->next;
 	}
 	write_unlock(&devtree_lock);
+	mutex_unlock(&of_set_property_mutex);
 
 	/* XXX Upate procfs if necessary... */
 
diff --git a/arch/sparc/kernel/visemul.c b/arch/sparc/kernel/visemul.c
index b956fd71c13..d231cbd5c52 100644
--- a/arch/sparc/kernel/visemul.c
+++ b/arch/sparc/kernel/visemul.c
@@ -617,7 +617,7 @@ static void pmul(struct pt_regs *regs, unsigned int insn, unsigned int opf)
 		rs2 = fps_regval(f, RS2(insn));
 
 		rd_val = 0;
-		src2 = (rs2 >> (opf == FMUL8x16AU_OPF) ? 16 : 0);
+		src2 = rs2 >> (opf == FMUL8x16AU_OPF ? 16 : 0);
 		for (byte = 0; byte < 4; byte++) {
 			u16 src1 = (rs1 >> (byte * 8)) & 0x00ff;
 			u32 prod = src1 * src2;
diff --git a/arch/x86/include/asm/desc.h b/arch/x86/include/asm/desc.h
index e8de2f6f5ca..617bd56b307 100644
--- a/arch/x86/include/asm/desc.h
+++ b/arch/x86/include/asm/desc.h
@@ -288,7 +288,7 @@ static inline void load_LDT(mm_context_t *pc)
 
 static inline unsigned long get_desc_base(const struct desc_struct *desc)
 {
-	return desc->base0 | ((desc->base1) << 16) | ((desc->base2) << 24);
+	return (unsigned)(desc->base0 | ((desc->base1) << 16) | ((desc->base2) << 24));
 }
 
 static inline void set_desc_base(struct desc_struct *desc, unsigned long base)
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 9b9695322f5..ae07d261527 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -1692,7 +1692,7 @@ static int kvm_vcpu_ioctl_x86_setup_mce(struct kvm_vcpu *vcpu,
 	unsigned bank_num = mcg_cap & 0xff, bank;
 
 	r = -EINVAL;
-	if (!bank_num)
+	if (!bank_num || bank_num >= KVM_MAX_MCE_BANKS)
 		goto out;
 	if (mcg_cap & ~(KVM_MCE_CAP_SUPPORTED | 0xff | 0xff0000))
 		goto out;
@@ -4051,7 +4051,7 @@ static int save_guest_segment_descriptor(struct kvm_vcpu *vcpu, u16 selector,
 	return kvm_write_guest_virt(dtable.base + index*8, seg_desc, sizeof(*seg_desc), vcpu);
 }
 
-static u32 get_tss_base_addr(struct kvm_vcpu *vcpu,
+static gpa_t get_tss_base_addr(struct kvm_vcpu *vcpu,
 			     struct desc_struct *seg_desc)
 {
 	u32 base_addr = get_desc_base(seg_desc);