Merge branches 'tracing/ftrace', 'tracing/function-graph-tracer' and...

Merge branches 'tracing/ftrace', 'tracing/function-graph-tracer' and 'tracing/urgent' into tracing/core

MAINTAINERS

@@ -779,6 +779,7 @@ ATM
 P:	Chas Williams
 M:	chas@cmf.nrl.navy.mil
 L:	linux-atm-general@lists.sourceforge.net (subscribers-only)
+L:	netdev@vger.kernel.org
 W:	http://linux-atm.sourceforge.net
 S:	Maintained
 
@@ -4235,7 +4236,7 @@ M:	dedekind@infradead.org
 P:	Adrian Hunter
 M:	ext-adrian.hunter@nokia.com
 L:	linux-mtd@lists.infradead.org
-T:	git git://git.infradead.org/~dedekind/ubifs-2.6.git
+T:	git git://git.infradead.org/ubifs-2.6.git
 W:	http://www.linux-mtd.infradead.org/doc/ubifs.html
 S:	Maintained
 
@@ -4289,7 +4290,7 @@ P:	Artem Bityutskiy
 M:	dedekind@infradead.org
 W:	http://www.linux-mtd.infradead.org/
 L:	linux-mtd@lists.infradead.org
-T:	git git://git.infradead.org/~dedekind/ubi-2.6.git
+T:	git git://git.infradead.org/ubi-2.6.git
 S:	Maintained
 
 USB ACM DRIVER

arch/ia64/kvm/Makefile

@@ -58,7 +58,7 @@ endif
 kvm-objs := $(common-objs) kvm-ia64.o kvm_fw.o
 obj-$(CONFIG_KVM) += kvm.o
 
-EXTRA_CFLAGS_vcpu.o += -mfixed-range=f2-f5,f12-f127
+CFLAGS_vcpu.o += -mfixed-range=f2-f5,f12-f127
 kvm-intel-objs = vmm.o vmm_ivt.o trampoline.o vcpu.o optvfault.o mmio.o \
 	vtlb.o process.o
 #Add link memcpy and memset to avoid possible structure assignment error

arch/ia64/kvm/optvfault.S

@@ -107,10 +107,10 @@ END(kvm_vps_resume_normal)
 GLOBAL_ENTRY(kvm_vps_resume_handler)
 	movl r30 = PAL_VPS_RESUME_HANDLER
 	;;
-	ld8 r27=[r25]
+	ld8 r26=[r25]
 	shr r17=r17,IA64_ISR_IR_BIT
 	;;
-	dep r27=r17,r27,63,1   // bit 63 of r27 indicate whether enable CFLE
+	dep r26=r17,r26,63,1   // bit 63 of r26 indicate whether enable CFLE
 	mov pr=r23,-2
 	br.sptk.many kvm_vps_entry
 END(kvm_vps_resume_handler)
@@ -894,12 +894,15 @@ ENTRY(kvm_resume_to_guest)
 	;;
 	ld8 r19=[r19]
 	mov b0=r29
-	cmp.ne p6,p7 = r0,r0
+	mov r27=cr.isr
 	;;
-	tbit.z p6,p7 = r19,IA64_PSR_IC_BIT		// p1=vpsr.ic
+	tbit.z p6,p7 = r19,IA64_PSR_IC_BIT		// p7=vpsr.ic
+	shr r27=r27,IA64_ISR_IR_BIT
 	;;
 	(p6) ld8 r26=[r25]
 	(p7) mov b0=r28
+	;;
+	(p6) dep r26=r27,r26,63,1
 	mov pr=r31,-2
 	br.sptk.many b0             // call pal service
 	;;

arch/mn10300/kernel/module.c

 /* MN10300 Kernel module helper routines
  *
- * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
+ * Copyright (C) 2007, 2008 Red Hat, Inc. All Rights Reserved.
  * Written by Mark Salter (msalter@redhat.com)
  * - Derived from arch/i386/kernel/module.c
  *
@@ -64,21 +64,6 @@ int module_frob_arch_sections(Elf_Ehdr *hdr,
 	return 0;
 }
 
-static uint32_t reloc_get16(uint8_t *p)
-{
-	return p[0] | (p[1] << 8);
-}
-
-static uint32_t reloc_get24(uint8_t *p)
-{
-	return reloc_get16(p) | (p[2] << 16);
-}
-
-static uint32_t reloc_get32(uint8_t *p)
-{
-	return reloc_get16(p) | (reloc_get16(p+2) << 16);
-}
-
 static void reloc_put16(uint8_t *p, uint32_t val)
 {
 	p[0] = val & 0xff;
@@ -144,25 +129,19 @@ int apply_relocate_add(Elf32_Shdr *sechdrs,
 		relocation = sym->st_value + rel[i].r_addend;
 
 		switch (ELF32_R_TYPE(rel[i].r_info)) {
-			/* for the first four relocation types, we add the
-			 * adjustment into the value at the location given */
+			/* for the first four relocation types, we simply
+			 * store the adjustment at the location given */
 		case R_MN10300_32:
-			value = reloc_get32(location);
-			value += relocation;
-			reloc_put32(location, value);
+			reloc_put32(location, relocation);
 			break;
 		case R_MN10300_24:
-			value = reloc_get24(location);
-			value += relocation;
-			reloc_put24(location, value);
+			reloc_put24(location, relocation);
 			break;
 		case R_MN10300_16:
-			value = reloc_get16(location);
-			value += relocation;
-			reloc_put16(location, value);
+			reloc_put16(location, relocation);
 			break;
 		case R_MN10300_8:
-			*location += relocation;
+			*location = relocation;
 			break;
 
 			/* for the next three relocation types, we write the

arch/powerpc/boot/dts/mpc8349emitx.dts

@@ -91,6 +91,14 @@ rtc@68 {
 				interrupts = <18 0x8>;
 				interrupt-parent = <&ipic>;
 			};
+
+			mcu_pio: mcu@a {
+				#gpio-cells = <2>;
+				compatible = "fsl,mc9s08qg8-mpc8349emitx",
+					     "fsl,mcu-mpc8349emitx";
+				reg = <0x0a>;
+				gpio-controller;
+			};
 		};
 
 		spi@7000 {
@@ -139,14 +147,6 @@ dma-channel@180 {
 				interrupt-parent = <&ipic>;
 				interrupts = <71 8>;
 			};
-
-			mcu_pio: mcu@a {
-				#gpio-cells = <2>;
-				compatible = "fsl,mc9s08qg8-mpc8349emitx",
-					     "fsl,mcu-mpc8349emitx";
-				reg = <0x0a>;
-				gpio-controller;
-			};
 		};
 
 		usb@22000 {

arch/powerpc/include/asm/kvm_ppc.h

@@ -104,4 +104,6 @@ static inline void kvmppc_set_pid(struct kvm_vcpu *vcpu, u32 new_pid)
 	}
 }
 
+extern void kvmppc_core_destroy_mmu(struct kvm_vcpu *vcpu);
+
 #endif /* __POWERPC_KVM_PPC_H__ */

arch/powerpc/kernel/dma.c

@@ -75,6 +75,7 @@ static int dma_direct_map_sg(struct device *dev, struct scatterlist *sgl,
 	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(sg_page(sg), sg->offset, sg->length, direction);
 	}
 
 	return nents;

arch/powerpc/kvm/44x_tlb.c

@@ -124,6 +124,14 @@ static void kvmppc_44x_shadow_release(struct kvm_vcpu *vcpu,
 	}
 }
 
+void kvmppc_core_destroy_mmu(struct kvm_vcpu *vcpu)
+{
+	int i;
+
+	for (i = 0; i <= tlb_44x_hwater; i++)
+		kvmppc_44x_shadow_release(vcpu, i);
+}
+
 void kvmppc_tlbe_set_modified(struct kvm_vcpu *vcpu, unsigned int i)
 {
     vcpu->arch.shadow_tlb_mod[i] = 1;

arch/powerpc/kvm/powerpc.c

@@ -238,6 +238,7 @@ int kvm_arch_vcpu_init(struct kvm_vcpu *vcpu)
 
 void kvm_arch_vcpu_uninit(struct kvm_vcpu *vcpu)
 {
+	kvmppc_core_destroy_mmu(vcpu);
 }
 
 /* Note: clearing MSR[DE] just means that the debug interrupt will not be

arch/powerpc/sysdev/mpic.c

@@ -600,7 +600,7 @@ static int irq_choose_cpu(unsigned int virt_irq)
 		cpuid = first_cpu(tmp);
 	}
 
-	return cpuid;
+	return get_hard_smp_processor_id(cpuid);
 }
 #else
 static int irq_choose_cpu(unsigned int virt_irq)

arch/s390/kvm/sigp.c

@@ -237,6 +237,11 @@ int kvm_s390_handle_sigp(struct kvm_vcpu *vcpu)
 	u8 order_code;
 	int rc;
 
+	/* sigp in userspace can exit */
+	if (vcpu->arch.sie_block->gpsw.mask & PSW_MASK_PSTATE)
+		return kvm_s390_inject_program_int(vcpu,
+						   PGM_PRIVILEGED_OPERATION);
+
 	order_code = disp2;
 	if (base2)
 		order_code += vcpu->arch.guest_gprs[base2];

arch/sparc64/lib/user_fixup.c

@@ -24,7 +24,7 @@ static unsigned long compute_size(unsigned long start, unsigned long size, unsig
 	if (fault_addr < start || fault_addr >= end) {
 		*offset = 0;
 	} else {
-		*offset = start - fault_addr;
+		*offset = fault_addr - start;
 		size = end - fault_addr;
 	}
 	return size;

arch/x86/kvm/mmu.c

@@ -1038,13 +1038,13 @@ static int kvm_sync_page(struct kvm_vcpu *vcpu, struct kvm_mmu_page *sp)
 	}
 
 	rmap_write_protect(vcpu->kvm, sp->gfn);
+	kvm_unlink_unsync_page(vcpu->kvm, sp);
 	if (vcpu->arch.mmu.sync_page(vcpu, sp)) {
 		kvm_mmu_zap_page(vcpu->kvm, sp);
 		return 1;
 	}
 
 	kvm_mmu_flush_tlb(vcpu);
-	kvm_unlink_unsync_page(vcpu->kvm, sp);
 	return 0;
 }
 

arch/x86/kvm/paging_tmpl.h

@@ -331,6 +331,7 @@ static int FNAME(shadow_walk_entry)(struct kvm_shadow_walk *_sw,
 		r = kvm_read_guest_atomic(vcpu->kvm, gw->pte_gpa[level - 2],
 					  &curr_pte, sizeof(curr_pte));
 		if (r || curr_pte != gw->ptes[level - 2]) {
+			kvm_mmu_put_page(shadow_page, sptep);
 			kvm_release_pfn_clean(sw->pfn);
 			sw->sptep = NULL;
 			return 1;

arch/x86/kvm/vmx.c

@@ -3149,7 +3149,9 @@ static void vmx_intr_assist(struct kvm_vcpu *vcpu)
 
 	if (cpu_has_virtual_nmis()) {
 		if (vcpu->arch.nmi_pending && !vcpu->arch.nmi_injected) {
-			if (vmx_nmi_enabled(vcpu)) {
+			if (vcpu->arch.interrupt.pending) {
+				enable_nmi_window(vcpu);
+			} else if (vmx_nmi_enabled(vcpu)) {
 				vcpu->arch.nmi_pending = false;
 				vcpu->arch.nmi_injected = true;
 			} else {

block/blk-barrier.c

@@ -161,7 +161,7 @@ static inline struct request *start_ordered(struct request_queue *q,
 	/*
 	 * Prep proxy barrier request.
 	 */
-	blkdev_dequeue_request(rq);
+	elv_dequeue_request(q, rq);
 	q->orig_bar_rq = rq;
 	rq = &q->bar_rq;
 	blk_rq_init(q, rq);
@@ -219,7 +219,7 @@ int blk_do_ordered(struct request_queue *q, struct request **rqp)
 			 * This can happen when the queue switches to
 			 * ORDERED_NONE while this request is on it.
 			 */
-			blkdev_dequeue_request(rq);
+			elv_dequeue_request(q, rq);
 			if (__blk_end_request(rq, -EOPNOTSUPP,
 					      blk_rq_bytes(rq)))
 				BUG();

block/blk-core.c

@@ -600,7 +600,7 @@ blk_init_queue_node(request_fn_proc *rfn, spinlock_t *lock, int node_id)
 				   1 << QUEUE_FLAG_STACKABLE);
 	q->queue_lock		= lock;
 
-	blk_queue_segment_boundary(q, 0xffffffff);
+	blk_queue_segment_boundary(q, BLK_SEG_BOUNDARY_MASK);
 
 	blk_queue_make_request(q, __make_request);
 	blk_queue_max_segment_size(q, MAX_SEGMENT_SIZE);
@@ -1644,6 +1644,28 @@ int blk_insert_cloned_request(struct request_queue *q, struct request *rq)
 }
 EXPORT_SYMBOL_GPL(blk_insert_cloned_request);
 
+/**
+ * blkdev_dequeue_request - dequeue request and start timeout timer
+ * @req: request to dequeue
+ *
+ * Dequeue @req and start timeout timer on it.  This hands off the
+ * request to the driver.
+ *
+ * Block internal functions which don't want to start timer should
+ * call elv_dequeue_request().
+ */
+void blkdev_dequeue_request(struct request *req)
+{
+	elv_dequeue_request(req->q, req);
+
+	/*
+	 * We are now handing the request to the hardware, add the
+	 * timeout handler.
+	 */
+	blk_add_timer(req);
+}
+EXPORT_SYMBOL(blkdev_dequeue_request);
+
 /**
  * __end_that_request_first - end I/O on a request
  * @req:      the request being processed
@@ -1782,7 +1804,7 @@ static void end_that_request_last(struct request *req, int error)
 		blk_queue_end_tag(req->q, req);
 
 	if (blk_queued_rq(req))
-		blkdev_dequeue_request(req);
+		elv_dequeue_request(req->q, req);
 
 	if (unlikely(laptop_mode) && blk_fs_request(req))
 		laptop_io_completion();

block/blk-map.c

@@ -224,7 +224,7 @@ int blk_rq_map_user_iov(struct request_queue *q, struct request *rq,
 		 */
 		bio_get(bio);
 		bio_endio(bio, 0);
-		bio_unmap_user(bio);
+		__blk_rq_unmap_user(bio);
 		return -EINVAL;
 	}
 

block/blk-settings.c

@@ -125,6 +125,9 @@ void blk_queue_make_request(struct request_queue *q, make_request_fn *mfn)
 	q->nr_requests = BLKDEV_MAX_RQ;
 	blk_queue_max_phys_segments(q, MAX_PHYS_SEGMENTS);
 	blk_queue_max_hw_segments(q, MAX_HW_SEGMENTS);
+	blk_queue_segment_boundary(q, BLK_SEG_BOUNDARY_MASK);
+	blk_queue_max_segment_size(q, MAX_SEGMENT_SIZE);
+
 	q->make_request_fn = mfn;
 	q->backing_dev_info.ra_pages =
 			(VM_MAX_READAHEAD * 1024) / PAGE_CACHE_SIZE;
@@ -314,6 +317,7 @@ void blk_queue_stack_limits(struct request_queue *t, struct request_queue *b)
 	/* zero is "infinity" */
 	t->max_sectors = min_not_zero(t->max_sectors, b->max_sectors);
 	t->max_hw_sectors = min_not_zero(t->max_hw_sectors, b->max_hw_sectors);
+	t->seg_boundary_mask = min_not_zero(t->seg_boundary_mask, b->seg_boundary_mask);
 
 	t->max_phys_segments = min(t->max_phys_segments, b->max_phys_segments);
 	t->max_hw_segments = min(t->max_hw_segments, b->max_hw_segments);

block/elevator.c

@@ -850,14 +850,7 @@ void elv_dequeue_request(struct request_queue *q, struct request *rq)
 	 */
 	if (blk_account_rq(rq))
 		q->in_flight++;
-
-	/*
-	 * We are now handing the request to the hardware, add the
-	 * timeout handler.
-	 */
-	blk_add_timer(rq);
 }
-EXPORT_SYMBOL(elv_dequeue_request);
 
 int elv_queue_empty(struct request_queue *q)
 {

block/genhd.c

@@ -1102,6 +1102,7 @@ struct gendisk *alloc_disk_node(int minors, int node_id)
 			kfree(disk);
 			return NULL;
 		}
+		disk->node_id = node_id;
 		if (disk_expand_part_tbl(disk, 0)) {
 			free_part_stats(&disk->part0);
 			kfree(disk);
@@ -1116,7 +1117,6 @@ struct gendisk *alloc_disk_node(int minors, int node_id)
 		device_initialize(disk_to_dev(disk));
 		INIT_WORK(&disk->async_notify,
 			media_change_notify_thread);
-		disk->node_id = node_id;
 	}
 	return disk;
 }

drivers/atm/horizon.c

@@ -2705,7 +2705,7 @@ static int __devinit hrz_probe(struct pci_dev *pci_dev, const struct pci_device_
 
 	/* XXX DEV_LABEL is a guess */
 	if (!request_region(iobase, HRZ_IO_EXTENT, DEV_LABEL)) {
-		return -EINVAL;
+		err = -EINVAL;
 		goto out_disable;
 	}