---

yaml
---
r: 65263
b: refs/heads/master
c: f778089
h: refs/heads/master
i:
  65261: 9a46b7b
  65259: cbf1fc3
  65255: 6309abc
  65247: e81df56
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: d136552e8beadcf5e59089292e2ba44f09e3aad8
+refs/heads/master: f778089cb2445dfc6dfd30a7a567925fd8589f1e

trunk/Documentation/devices.txt

@@ -94,6 +94,8 @@ Your cooperation is appreciated.
 		  9 = /dev/urandom	Faster, less secure random number gen.
 		 10 = /dev/aio		Asynchronous I/O notification interface
 		 11 = /dev/kmsg		Writes to this come out as printk's
+		 12 = /dev/oldmem	Used by crashdump kernels to access
+					the memory of the kernel that crashed.
 
   1 block	RAM disk
 		  0 = /dev/ram0		First RAM disk

trunk/Documentation/lguest/lguest.c

@@ -882,7 +882,7 @@ static u32 handle_block_output(int fd, const struct iovec *iov,
 		 * of the block file (possibly extending it). */
 		if (off + len > device_len) {
 			/* Trim it back to the correct length */
-			ftruncate(dev->fd, device_len);
+			ftruncate64(dev->fd, device_len);
 			/* Die, bad Guest, die. */
 			errx(1, "Write past end %llu+%u", off, len);
 		}

trunk/Makefile

@@ -1,7 +1,7 @@
 VERSION = 2
 PATCHLEVEL = 6
 SUBLEVEL = 23
-EXTRAVERSION =-rc8
+EXTRAVERSION =-rc9
 NAME = Arr Matey! A Hairy Bilge Rat!
 
 # *DOCUMENTATION*

trunk/arch/arm/kernel/bios32.c

@@ -338,7 +338,7 @@ pbus_assign_bus_resources(struct pci_bus *bus, struct pci_sys_data *root)
  * pcibios_fixup_bus - Called after each bus is probed,
  * but before its children are examined.
  */
-void __devinit pcibios_fixup_bus(struct pci_bus *bus)
+void pcibios_fixup_bus(struct pci_bus *bus)
 {
 	struct pci_sys_data *root = bus->sysdata;
 	struct pci_dev *dev;
@@ -419,7 +419,7 @@ void __devinit pcibios_fixup_bus(struct pci_bus *bus)
 /*
  * Convert from Linux-centric to bus-centric addresses for bridge devices.
  */
-void __devinit
+void
 pcibios_resource_to_bus(struct pci_dev *dev, struct pci_bus_region *region,
 			 struct resource *res)
 {

trunk/arch/i386/boot/memory.c

@@ -20,27 +20,41 @@
 
 static int detect_memory_e820(void)
 {
+	int count = 0;
 	u32 next = 0;
 	u32 size, id;
 	u8 err;
 	struct e820entry *desc = boot_params.e820_map;
 
 	do {
 		size = sizeof(struct e820entry);
-		id = SMAP;
+
+		/* Important: %edx is clobbered by some BIOSes,
+		   so it must be either used for the error output
+		   or explicitly marked clobbered. */
 		asm("int $0x15; setc %0"
-		    : "=am" (err), "+b" (next), "+d" (id), "+c" (size),
+		    : "=d" (err), "+b" (next), "=a" (id), "+c" (size),
 		      "=m" (*desc)
-		    : "D" (desc), "a" (0xe820));
+		    : "D" (desc), "d" (SMAP), "a" (0xe820));
+
+		/* Some BIOSes stop returning SMAP in the middle of
+		   the search loop.  We don't know exactly how the BIOS
+		   screwed up the map at that point, we might have a
+		   partial map, the full map, or complete garbage, so
+		   just return failure. */
+		if (id != SMAP) {
+			count = 0;
+			break;
+		}
 
-		if (err || id != SMAP)
+		if (err)
 			break;
 
-		boot_params.e820_entries++;
+		count++;
 		desc++;
-	} while (next && boot_params.e820_entries < E820MAX);
+	} while (next && count < E820MAX);
 
-	return boot_params.e820_entries;
+	return boot_params.e820_entries = count;
 }
 
 static int detect_memory_e801(void)
@@ -89,11 +103,16 @@ static int detect_memory_88(void)
 
 int detect_memory(void)
 {
+	int err = -1;
+
 	if (detect_memory_e820() > 0)
-		return 0;
+		err = 0;
 
 	if (!detect_memory_e801())
-		return 0;
+		err = 0;
+
+	if (!detect_memory_88())
+		err = 0;
 
-	return detect_memory_88();
+	return err;
 }

trunk/arch/i386/xen/mmu.c

@@ -559,6 +559,9 @@ void xen_exit_mmap(struct mm_struct *mm)
 	put_cpu();
 
 	spin_lock(&mm->page_table_lock);
-	xen_pgd_unpin(mm->pgd);
+
+	/* pgd may not be pinned in the error exit path of execve */
+	if (PagePinned(virt_to_page(mm->pgd)))
+		xen_pgd_unpin(mm->pgd);
 	spin_unlock(&mm->page_table_lock);
 }

trunk/arch/mips/kernel/scall64-o32.S

@@ -525,5 +525,5 @@ sys_call_table:
 	PTR	compat_sys_signalfd
 	PTR	compat_sys_timerfd
 	PTR	sys_eventfd
-	PTR	sys_fallocate			/* 4320 */
+	PTR	sys32_fallocate			/* 4320 */
 	.size	sys_call_table,.-sys_call_table

trunk/arch/mips/kernel/vmlinux.lds.S

@@ -45,6 +45,8 @@ SECTIONS
   __dbe_table : { *(__dbe_table) }
   __stop___dbe_table = .;
 
+  NOTES
+
   RODATA
 
   /* writeable */

trunk/arch/mips/sgi-ip32/ip32-platform.c

@@ -41,8 +41,8 @@ static struct platform_device uart8250_device = {
 
 static int __init uart8250_init(void)
 {
-	uart8250_data[0].iobase = (unsigned long) &mace->isa.serial1;
-	uart8250_data[1].iobase = (unsigned long) &mace->isa.serial1;
+	uart8250_data[0].membase = (void __iomem *) &mace->isa.serial1;
+	uart8250_data[1].membase = (void __iomem *) &mace->isa.serial1;
 
 	return platform_device_register(&uart8250_device);
 }

trunk/arch/powerpc/boot/dts/mpc8349emitx.dts

@@ -99,6 +99,7 @@
 			#size-cells = <0>;
 			interrupt-parent = < &ipic >;
 			interrupts = <26 8>;
+			dr_mode = "peripheral";
 			phy_type = "ulpi";
 		};
 

trunk/arch/powerpc/kernel/process.c

@@ -605,6 +605,13 @@ void start_thread(struct pt_regs *regs, unsigned long start, unsigned long sp)
 	regs->ccr = 0;
 	regs->gpr[1] = sp;
 
+	/*
+	 * We have just cleared all the nonvolatile GPRs, so make
+	 * FULL_REGS(regs) return true.  This is necessary to allow
+	 * ptrace to examine the thread immediately after exec.
+	 */
+	regs->trap &= ~1UL;
+
 #ifdef CONFIG_PPC32
 	regs->mq = 0;
 	regs->nip = start;

trunk/arch/powerpc/platforms/83xx/usb.c

@@ -76,14 +76,14 @@ int mpc834x_usb_cfg(void)
 			if (port0_is_dr)
 				printk(KERN_WARNING
 					"834x USB port0 can't be used by both DR and MPH!\n");
-			sicrl |= MPC834X_SICRL_USB0;
+			sicrl &= ~MPC834X_SICRL_USB0;
 		}
 		prop = of_get_property(np, "port1", NULL);
 		if (prop) {
 			if (port1_is_dr)
 				printk(KERN_WARNING
 					"834x USB port1 can't be used by both DR and MPH!\n");
-			sicrl |= MPC834X_SICRL_USB1;
+			sicrl &= ~MPC834X_SICRL_USB1;
 		}
 		of_node_put(np);
 	}

trunk/arch/powerpc/platforms/cell/spufs/file.c

@@ -2177,8 +2177,8 @@ struct tree_descr spufs_dir_contents[] = {
 	{ "mbox_stat", &spufs_mbox_stat_fops, 0444, },
 	{ "ibox_stat", &spufs_ibox_stat_fops, 0444, },
 	{ "wbox_stat", &spufs_wbox_stat_fops, 0444, },
-	{ "signal1", &spufs_signal1_nosched_fops, 0222, },
-	{ "signal2", &spufs_signal2_nosched_fops, 0222, },
+	{ "signal1", &spufs_signal1_fops, 0666, },
+	{ "signal2", &spufs_signal2_fops, 0666, },
 	{ "signal1_type", &spufs_signal1_type, 0666, },
 	{ "signal2_type", &spufs_signal2_type, 0666, },
 	{ "cntl", &spufs_cntl_fops,  0666, },

trunk/arch/powerpc/platforms/pseries/xics.c

@@ -419,7 +419,7 @@ static void xics_set_affinity(unsigned int virq, cpumask_t cpumask)
 	 * For the moment only implement delivery to all cpus or one cpu.
 	 * Get current irq_server for the given irq
 	 */
-	irq_server = get_irq_server(irq, 1);
+	irq_server = get_irq_server(virq, 1);
 	if (irq_server == -1) {
 		char cpulist[128];
 		cpumask_scnprintf(cpulist, sizeof(cpulist), cpumask);

trunk/arch/powerpc/sysdev/commproc.c

@@ -395,4 +395,4 @@ uint cpm_dpram_phys(u8* addr)
 {
 	return (dpram_pbase + (uint)(addr - dpram_vbase));
 }
-EXPORT_SYMBOL(cpm_dpram_addr);
+EXPORT_SYMBOL(cpm_dpram_phys);

trunk/arch/ppc/8xx_io/commproc.c

@@ -459,7 +459,7 @@ EXPORT_SYMBOL(cpm_dpdump);
 
 void *cpm_dpram_addr(unsigned long offset)
 {
-	return ((immap_t *)IMAP_ADDR)->im_cpm.cp_dpmem + offset;
+	return (void *)(dpram_vbase + offset);
 }
 EXPORT_SYMBOL(cpm_dpram_addr);
 

trunk/arch/sparc/kernel/ebus.c

@@ -156,6 +156,8 @@ void __init fill_ebus_device(struct device_node *dp, struct linux_ebus_device *d
 	dev->prom_node = dp;
 
 	regs = of_get_property(dp, "reg", &len);
+	if (!regs)
+		len = 0;
 	if (len % sizeof(struct linux_prom_registers)) {
 		prom_printf("UGH: proplen for %s was %d, need multiple of %d\n",
 			    dev->prom_node->name, len,

trunk/arch/sparc64/kernel/binfmt_aout32.c

@@ -177,7 +177,7 @@ static u32 __user *create_aout32_tables(char __user *p, struct linux_binprm *bpr
 			get_user(c,p++);
 		} while (c);
 	}
-	put_user(NULL,argv);
+	put_user(0,argv);
 	current->mm->arg_end = current->mm->env_start = (unsigned long) p;
 	while (envc-->0) {
 		char c;
@@ -186,7 +186,7 @@ static u32 __user *create_aout32_tables(char __user *p, struct linux_binprm *bpr
 			get_user(c,p++);
 		} while (c);
 	}
-	put_user(NULL,envp);
+	put_user(0,envp);
 	current->mm->env_end = (unsigned long) p;
 	return sp;
 }

trunk/arch/sparc64/kernel/ebus.c

@@ -375,7 +375,10 @@ static void __init fill_ebus_device(struct device_node *dp, struct linux_ebus_de
 		dev->num_addrs = 0;
 		dev->num_irqs = 0;
 	} else {
-		(void) of_get_property(dp, "reg", &len);
+		const int *regs = of_get_property(dp, "reg", &len);
+
+		if (!regs)
+			len = 0;
 		dev->num_addrs = len / sizeof(struct linux_prom_registers);
 
 		for (i = 0; i < dev->num_addrs; i++)

trunk/arch/sparc64/lib/NGcopy_from_user.S

@@ -1,15 +1,15 @@
 /* NGcopy_from_user.S: Niagara optimized copy from userspace.
  *
- * Copyright (C) 2006 David S. Miller (davem@davemloft.net)
+ * Copyright (C) 2006, 2007 David S. Miller (davem@davemloft.net)
  */
 
 #define EX_LD(x)		\
 98:	x;			\
 	.section .fixup;	\
 	.align 4;		\
 99:	wr	%g0, ASI_AIUS, %asi;\
-	retl;			\
-	 mov	1, %o0;		\
+	ret;			\
+	 restore %g0, 1, %o0;	\
 	.section __ex_table,"a";\
 	.align 4;		\
 	.word 98b, 99b;		\
@@ -24,7 +24,7 @@
 #define LOAD(type,addr,dest)	type##a [addr] ASI_AIUS, dest
 #define LOAD_TWIN(addr_reg,dest0,dest1)	\
 	ldda [addr_reg] ASI_BLK_INIT_QUAD_LDD_AIUS, dest0
-#define EX_RETVAL(x)		0
+#define EX_RETVAL(x)		%g0
 
 #ifdef __KERNEL__
 #define PREAMBLE					\

trunk/arch/sparc64/lib/NGcopy_to_user.S

@@ -1,15 +1,15 @@
 /* NGcopy_to_user.S: Niagara optimized copy to userspace.
  *
- * Copyright (C) 2006 David S. Miller (davem@davemloft.net)
+ * Copyright (C) 2006, 2007 David S. Miller (davem@davemloft.net)
  */
 
 #define EX_ST(x)		\
 98:	x;			\
 	.section .fixup;	\
 	.align 4;		\
 99:	wr	%g0, ASI_AIUS, %asi;\
-	retl;			\
-	 mov	1, %o0;		\
+	ret;			\
+	 restore %g0, 1, %o0;	\
 	.section __ex_table,"a";\
 	.align 4;		\
 	.word 98b, 99b;		\
@@ -23,7 +23,7 @@
 #define FUNC_NAME		NGcopy_to_user
 #define STORE(type,src,addr)	type##a src, [addr] ASI_AIUS
 #define STORE_ASI		ASI_BLK_INIT_QUAD_LDD_AIUS
-#define EX_RETVAL(x)		0
+#define EX_RETVAL(x)		%g0
 
 #ifdef __KERNEL__
 	/* Writing to %asi is _expensive_ so we hardcode it.