---

yaml --- r: 298987 b: refs/heads/master c: 4de833c h: refs/heads/master i: 298985: d9321da 298983: dfab8e8 v: v3
git-mirror · Apr 10, 2012 · b9400ee · b9400ee
1 parent 51f1c34
commit b9400ee
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Showing 104 changed files with 725 additions and 775 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: e42bd6e4a666709fc3a56cf4577c1f6fdb1c193f
+refs/heads/master: 4de833c337509916b7931982734d858191cf0700
diff --git a/trunk/Documentation/filesystems/vfs.txt b/trunk/Documentation/filesystems/vfs.txt
@@ -114,7 +114,7 @@ members are defined:
 struct file_system_type {
 	const char *name;
 	int fs_flags;
-        struct dentry *(*mount) (struct file_system_type *, int,
+        struct dentry (*mount) (struct file_system_type *, int,
                        const char *, void *);
         void (*kill_sb) (struct super_block *);
         struct module *owner;

diff --git a/trunk/MAINTAINERS b/trunk/MAINTAINERS
@@ -4803,7 +4803,6 @@ F:	arch/arm/mach-omap2/clockdomain2xxx_3xxx.c
 F:	arch/arm/mach-omap2/clockdomain44xx.c
 
 OMAP AUDIO SUPPORT
-M:	Peter Ujfalusi <peter.ujfalusi@ti.com>
 M:	Jarkko Nikula <jarkko.nikula@bitmer.com>
 L:	alsa-devel@alsa-project.org (subscribers-only)
 L:	linux-omap@vger.kernel.org
@@ -7462,7 +7461,8 @@ F:	include/linux/wm97xx.h
 
 WOLFSON MICROELECTRONICS DRIVERS
 M:	Mark Brown <broonie@opensource.wolfsonmicro.com>
-L:	patches@opensource.wolfsonmicro.com
+M:	Ian Lartey <ian@opensource.wolfsonmicro.com>
+M:	Dimitris Papastamos <dp@opensource.wolfsonmicro.com>
 T:	git git://opensource.wolfsonmicro.com/linux-2.6-asoc
 T:	git git://opensource.wolfsonmicro.com/linux-2.6-audioplus
 W:	http://opensource.wolfsonmicro.com/content/linux-drivers-wolfson-devices

diff --git a/trunk/arch/c6x/include/asm/irq.h b/trunk/arch/c6x/include/asm/irq.h
@@ -42,6 +42,10 @@
 /* This number is used when no interrupt has been assigned */
 #define NO_IRQ		0
 
+struct irq_data;
+extern irq_hw_number_t irqd_to_hwirq(struct irq_data *d);
+extern irq_hw_number_t virq_to_hw(unsigned int virq);
+
 extern void __init init_pic_c64xplus(void);
 
 extern void init_IRQ(void);

diff --git a/trunk/arch/c6x/kernel/irq.c b/trunk/arch/c6x/kernel/irq.c
@@ -130,3 +130,16 @@ int arch_show_interrupts(struct seq_file *p, int prec)
 	seq_printf(p, "%*s: %10lu\n", prec, "Err", irq_err_count);
 	return 0;
 }
+
+irq_hw_number_t irqd_to_hwirq(struct irq_data *d)
+{
+	return d->hwirq;
+}
+EXPORT_SYMBOL_GPL(irqd_to_hwirq);
+
+irq_hw_number_t virq_to_hw(unsigned int virq)
+{
+	struct irq_data *irq_data = irq_get_irq_data(virq);
+	return WARN_ON(!irq_data) ? 0 : irq_data->hwirq;
+}
+EXPORT_SYMBOL_GPL(virq_to_hw);
diff --git a/trunk/arch/powerpc/include/asm/irq.h b/trunk/arch/powerpc/include/asm/irq.h
@@ -33,6 +33,8 @@ extern atomic_t ppc_n_lost_interrupts;
 /* Same thing, used by the generic IRQ code */
 #define NR_IRQS_LEGACY		NUM_ISA_INTERRUPTS
 
+struct irq_data;
+extern irq_hw_number_t irqd_to_hwirq(struct irq_data *d);
 extern irq_hw_number_t virq_to_hw(unsigned int virq);
 
 /**

diff --git a/trunk/arch/powerpc/kernel/entry_32.S b/trunk/arch/powerpc/kernel/entry_32.S
@@ -206,43 +206,40 @@ reenable_mmu:				/* re-enable mmu so we can */
 	andi.	r10,r10,MSR_EE		/* Did EE change? */
 	beq	1f
 
+	/* Save handler and return address into the 2 unused words
+	 * of the STACK_FRAME_OVERHEAD (sneak sneak sneak). Everything
+	 * else can be recovered from the pt_regs except r3 which for
+	 * normal interrupts has been set to pt_regs and for syscalls
+	 * is an argument, so we temporarily use ORIG_GPR3 to save it
+	 */
+	stw	r9,8(r1)
+	stw	r11,12(r1)
+	stw	r3,ORIG_GPR3(r1)
 	/*
 	 * The trace_hardirqs_off will use CALLER_ADDR0 and CALLER_ADDR1.
 	 * If from user mode there is only one stack frame on the stack, and
 	 * accessing CALLER_ADDR1 will cause oops. So we need create a dummy
 	 * stack frame to make trace_hardirqs_off happy.
-	 *
-	 * This is handy because we also need to save a bunch of GPRs,
-	 * r3 can be different from GPR3(r1) at this point, r9 and r11
-	 * contains the old MSR and handler address respectively,
-	 * r4 & r5 can contain page fault arguments that need to be passed
-	 * along as well. r12, CCR, CTR, XER etc... are left clobbered as
-	 * they aren't useful past this point (aren't syscall arguments),
-	 * the rest is restored from the exception frame.
 	 */
-	stwu	r1,-32(r1)
-	stw	r9,8(r1)
-	stw	r11,12(r1)
-	stw	r3,16(r1)
-	stw	r4,20(r1)
-	stw	r5,24(r1)
 	andi.	r12,r12,MSR_PR
-	b	11f
+	beq	11f
+	stwu	r1,-16(r1)
 	bl	trace_hardirqs_off
+	addi	r1,r1,16
 	b	12f
+
 11:
 	bl	trace_hardirqs_off
 12:
-	lwz	r5,24(r1)
-	lwz	r4,20(r1)
-	lwz	r3,16(r1)
-	lwz	r11,12(r1)
-	lwz	r9,8(r1)
-	addi	r1,r1,32
 	lwz	r0,GPR0(r1)
+	lwz	r3,ORIG_GPR3(r1)
+	lwz	r4,GPR4(r1)
+	lwz	r5,GPR5(r1)
 	lwz	r6,GPR6(r1)
 	lwz	r7,GPR7(r1)
 	lwz	r8,GPR8(r1)
+	lwz	r9,8(r1)
+	lwz	r11,12(r1)
 1:	mtctr	r11
 	mtlr	r9
 	bctr				/* jump to handler */

diff --git a/trunk/arch/powerpc/kernel/irq.c b/trunk/arch/powerpc/kernel/irq.c
@@ -560,6 +560,12 @@ void do_softirq(void)
 	local_irq_restore(flags);
 }
 
+irq_hw_number_t irqd_to_hwirq(struct irq_data *d)
+{
+	return d->hwirq;
+}
+EXPORT_SYMBOL_GPL(irqd_to_hwirq);
+
 irq_hw_number_t virq_to_hw(unsigned int virq)
 {
 	struct irq_data *irq_data = irq_get_irq_data(virq);

diff --git a/trunk/arch/powerpc/kernel/process.c b/trunk/arch/powerpc/kernel/process.c
@@ -1235,7 +1235,7 @@ void __ppc64_runlatch_on(void)
 	ctrl |= CTRL_RUNLATCH;
 	mtspr(SPRN_CTRLT, ctrl);
 
-	ti->local_flags |= _TLF_RUNLATCH;
+	ti->local_flags |= TLF_RUNLATCH;
 }
 
 /* Called with hard IRQs off */
@@ -1244,7 +1244,7 @@ void __ppc64_runlatch_off(void)
 	struct thread_info *ti = current_thread_info();
 	unsigned long ctrl;
 
-	ti->local_flags &= ~_TLF_RUNLATCH;
+	ti->local_flags &= ~TLF_RUNLATCH;
 
 	ctrl = mfspr(SPRN_CTRLF);
 	ctrl &= ~CTRL_RUNLATCH;

diff --git a/trunk/arch/powerpc/platforms/cell/axon_msi.c b/trunk/arch/powerpc/platforms/cell/axon_msi.c
@@ -392,7 +392,7 @@ static int axon_msi_probe(struct platform_device *device)
 	}
 	memset(msic->fifo_virt, 0xff, MSIC_FIFO_SIZE_BYTES);
 
-	msic->irq_domain = irq_domain_add_nomap(dn, 0, &msic_host_ops, msic);
+	msic->irq_domain = irq_domain_add_nomap(dn, &msic_host_ops, msic);
 	if (!msic->irq_domain) {
 		printk(KERN_ERR "axon_msi: couldn't allocate irq_domain for %s\n",
 		       dn->full_name);

diff --git a/trunk/arch/powerpc/platforms/cell/beat_interrupt.c b/trunk/arch/powerpc/platforms/cell/beat_interrupt.c
@@ -239,7 +239,7 @@ void __init beatic_init_IRQ(void)
 	ppc_md.get_irq = beatic_get_irq;
 
 	/* Allocate an irq host */
-	beatic_host = irq_domain_add_nomap(NULL, 0, &beatic_pic_host_ops, NULL);
+	beatic_host = irq_domain_add_nomap(NULL, &beatic_pic_host_ops, NULL);
 	BUG_ON(beatic_host == NULL);
 	irq_set_default_host(beatic_host);
 }

diff --git a/trunk/arch/powerpc/platforms/powermac/smp.c b/trunk/arch/powerpc/platforms/powermac/smp.c
@@ -192,7 +192,7 @@ static int psurge_secondary_ipi_init(void)
 {
 	int rc = -ENOMEM;
 
-	psurge_host = irq_domain_add_nomap(NULL, 0, &psurge_host_ops, NULL);
+	psurge_host = irq_domain_add_nomap(NULL, &psurge_host_ops, NULL);
 
 	if (psurge_host)
 		psurge_secondary_virq = irq_create_direct_mapping(psurge_host);

diff --git a/trunk/arch/powerpc/platforms/ps3/interrupt.c b/trunk/arch/powerpc/platforms/ps3/interrupt.c
@@ -753,8 +753,9 @@ void __init ps3_init_IRQ(void)
 	unsigned cpu;
 	struct irq_domain *host;
 
-	host = irq_domain_add_nomap(NULL, PS3_PLUG_MAX + 1, &ps3_host_ops, NULL);
+	host = irq_domain_add_nomap(NULL, &ps3_host_ops, NULL);
 	irq_set_default_host(host);
+	irq_set_virq_count(PS3_PLUG_MAX + 1);
 
 	for_each_possible_cpu(cpu) {
 		struct ps3_private *pd = &per_cpu(ps3_private, cpu);

diff --git a/trunk/arch/sparc/kernel/leon_pci.c b/trunk/arch/sparc/kernel/leon_pci.c
@@ -45,6 +45,7 @@ void leon_pci_init(struct platform_device *ofdev, struct leon_pci_info *info)
 
 void __devinit pcibios_fixup_bus(struct pci_bus *pbus)
 {
+	struct leon_pci_info *info = pbus->sysdata;
 	struct pci_dev *dev;
 	int i, has_io, has_mem;
 	u16 cmd;
@@ -110,6 +111,18 @@ int pcibios_enable_device(struct pci_dev *dev, int mask)
 	return pci_enable_resources(dev, mask);
 }
 
+struct device_node *pci_device_to_OF_node(struct pci_dev *pdev)
+{
+	/*
+	 * Currently the OpenBoot nodes are not connected with the PCI device,
+	 * this is because the LEON PROM does not create PCI nodes. Eventually
+	 * this will change and the same approach as pcic.c can be used to
+	 * match PROM nodes with pci devices.
+	 */
+	return NULL;
+}
+EXPORT_SYMBOL(pci_device_to_OF_node);
+
 void __devinit pcibios_update_irq(struct pci_dev *dev, int irq)
 {
 #ifdef CONFIG_PCI_DEBUG

diff --git a/trunk/arch/sparc/mm/fault_32.c b/trunk/arch/sparc/mm/fault_32.c
@@ -225,8 +225,6 @@ asmlinkage void do_sparc_fault(struct pt_regs *regs, int text_fault, int write,
 	unsigned long g2;
 	int from_user = !(regs->psr & PSR_PS);
 	int fault, code;
-	unsigned int flags = (FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_KILLABLE |
-			      (write ? FAULT_FLAG_WRITE : 0));
 
 	if(text_fault)
 		address = regs->pc;
@@ -253,7 +251,6 @@ asmlinkage void do_sparc_fault(struct pt_regs *regs, int text_fault, int write,
 
 	perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS, 1, regs, address);
 
-retry:
 	down_read(&mm->mmap_sem);
 
 	/*
@@ -292,41 +289,21 @@ asmlinkage void do_sparc_fault(struct pt_regs *regs, int text_fault, int write,
 	 * make sure we exit gracefully rather than endlessly redo
 	 * the fault.
 	 */
-	fault = handle_mm_fault(mm, vma, address, flags);
-
-	if ((fault & VM_FAULT_RETRY) && fatal_signal_pending(current))
-		return;
-
+	fault = handle_mm_fault(mm, vma, address, write ? FAULT_FLAG_WRITE : 0);
 	if (unlikely(fault & VM_FAULT_ERROR)) {
 		if (fault & VM_FAULT_OOM)
 			goto out_of_memory;
 		else if (fault & VM_FAULT_SIGBUS)
 			goto do_sigbus;
 		BUG();
 	}
-
-	if (flags & FAULT_FLAG_ALLOW_RETRY) {
-		if (fault & VM_FAULT_MAJOR) {
-			current->maj_flt++;
-			perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MAJ,
-				      1, regs, address);
-		} else {
-			current->min_flt++;
-			perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MIN,
-				      1, regs, address);
-		}
-		if (fault & VM_FAULT_RETRY) {
-			flags &= ~FAULT_FLAG_ALLOW_RETRY;
-
-			/* No need to up_read(&mm->mmap_sem) as we would
-			 * have already released it in __lock_page_or_retry
-			 * in mm/filemap.c.
-			 */
-
-			goto retry;
-		}
+	if (fault & VM_FAULT_MAJOR) {
+		current->maj_flt++;
+		perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MAJ, 1, regs, address);
+	} else {
+		current->min_flt++;
+		perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MIN, 1, regs, address);
 	}
-
 	up_read(&mm->mmap_sem);
 	return;
 

diff --git a/trunk/arch/sparc/mm/fault_64.c b/trunk/arch/sparc/mm/fault_64.c
@@ -279,7 +279,6 @@ asmlinkage void __kprobes do_sparc64_fault(struct pt_regs *regs)
 	unsigned int insn = 0;
 	int si_code, fault_code, fault;
 	unsigned long address, mm_rss;
-	unsigned int flags = FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_KILLABLE;
 
 	fault_code = get_thread_fault_code();
 
@@ -334,8 +333,6 @@ asmlinkage void __kprobes do_sparc64_fault(struct pt_regs *regs)
 			insn = get_fault_insn(regs, insn);
 			goto handle_kernel_fault;
 		}
-
-retry:
 		down_read(&mm->mmap_sem);
 	}
 
@@ -426,40 +423,20 @@ asmlinkage void __kprobes do_sparc64_fault(struct pt_regs *regs)
 			goto bad_area;
 	}
 
-	flags |= ((fault_code & FAULT_CODE_WRITE) ? FAULT_FLAG_WRITE : 0);
-	fault = handle_mm_fault(mm, vma, address, flags);
-
-	if ((fault & VM_FAULT_RETRY) && fatal_signal_pending(current))
-		return;
-
+	fault = handle_mm_fault(mm, vma, address, (fault_code & FAULT_CODE_WRITE) ? FAULT_FLAG_WRITE : 0);
 	if (unlikely(fault & VM_FAULT_ERROR)) {
 		if (fault & VM_FAULT_OOM)
 			goto out_of_memory;
 		else if (fault & VM_FAULT_SIGBUS)
 			goto do_sigbus;
 		BUG();
 	}
-
-	if (flags & FAULT_FLAG_ALLOW_RETRY) {
-		if (fault & VM_FAULT_MAJOR) {
-			current->maj_flt++;
-			perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MAJ,
-				      1, regs, address);
-		} else {
-			current->min_flt++;
-			perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MIN,
-				      1, regs, address);
-		}
-		if (fault & VM_FAULT_RETRY) {
-			flags &= ~FAULT_FLAG_ALLOW_RETRY;
-
-			/* No need to up_read(&mm->mmap_sem) as we would
-			 * have already released it in __lock_page_or_retry
-			 * in mm/filemap.c.
-			 */
-
-			goto retry;
-		}
+	if (fault & VM_FAULT_MAJOR) {
+		current->maj_flt++;
+		perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MAJ, 1, regs, address);
+	} else {
+		current->min_flt++;
+		perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MIN, 1, regs, address);
 	}
 	up_read(&mm->mmap_sem);
 

diff --git a/trunk/arch/tile/kernel/proc.c b/trunk/arch/tile/kernel/proc.c
@@ -146,6 +146,7 @@ static ctl_table unaligned_table[] = {
 	},
 	{}
 };
+#endif
 
 static struct ctl_path tile_path[] = {
 	{ .procname = "tile" },
@@ -154,9 +155,10 @@ static struct ctl_path tile_path[] = {
 
 static int __init proc_sys_tile_init(void)
 {
+#ifndef __tilegx__  /* FIXME: GX: no support for unaligned access yet */
 	register_sysctl_paths(tile_path, unaligned_table);
+#endif
 	return 0;
 }
 
 arch_initcall(proc_sys_tile_init);
-#endif
diff --git a/trunk/arch/tile/kernel/smpboot.c b/trunk/arch/tile/kernel/smpboot.c
@@ -196,8 +196,6 @@ void __cpuinit online_secondary(void)
 	/* This must be done before setting cpu_online_mask */
 	wmb();
 
-	notify_cpu_starting(smp_processor_id());
-
 	/*
 	 * We need to hold call_lock, so there is no inconsistency
 	 * between the time smp_call_function() determines number of