---

yaml --- r: 109304 b: refs/heads/master c: e52c885 h: refs/heads/master v: v3
git-mirror · Aug 28, 2008 · 6b3f335 · 6b3f335
1 parent 8bd998a
commit 6b3f335
Show file tree

Hide file tree

Showing 246 changed files with 9,004 additions and 4,345 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: c1b362e3b4d331a63915b268a33207311a439d60
+refs/heads/master: e52c8857e0ca3214aa7e2a746000ac0f3016b345
diff --git a/trunk/Documentation/lguest/lguest.c b/trunk/Documentation/lguest/lguest.c
@@ -895,6 +895,9 @@ static void handle_console_output(int fd, struct virtqueue *vq, bool timeout)
 	}
 }
 
+/* This is called when we no longer want to hear about Guest changes to a
+ * virtqueue.  This is more efficient in high-traffic cases, but it means we
+ * have to set a timer to check if any more changes have occurred. */
 static void block_vq(struct virtqueue *vq)
 {
 	struct itimerval itm;
@@ -939,6 +942,11 @@ static void handle_net_output(int fd, struct virtqueue *vq, bool timeout)
 	if (!timeout && num)
 		block_vq(vq);
 
+	/* We never quite know how long should we wait before we check the
+	 * queue again for more packets.  We start at 500 microseconds, and if
+	 * we get fewer packets than last time, we assume we made the timeout
+	 * too small and increase it by 10 microseconds.  Otherwise, we drop it
+	 * by one microsecond every time.  It seems to work well enough. */
 	if (timeout) {
 		if (num < last_timeout_num)
 			timeout_usec += 10;

diff --git a/trunk/arch/alpha/kernel/osf_sys.c b/trunk/arch/alpha/kernel/osf_sys.c
@@ -121,24 +121,29 @@ osf_filldir(void *__buf, const char *name, int namlen, loff_t offset,
 	if (reclen > buf->count)
 		return -EINVAL;
 	d_ino = ino;
-	if (sizeof(d_ino) < sizeof(ino) && d_ino != ino)
+	if (sizeof(d_ino) < sizeof(ino) && d_ino != ino) {
+		buf->error = -EOVERFLOW;
 		return -EOVERFLOW;
+	}
 	if (buf->basep) {
 		if (put_user(offset, buf->basep))
-			return -EFAULT;
+			goto Efault;
 		buf->basep = NULL;
 	}
 	dirent = buf->dirent;
-	put_user(d_ino, &dirent->d_ino);
-	put_user(namlen, &dirent->d_namlen);
-	put_user(reclen, &dirent->d_reclen);
-	if (copy_to_user(dirent->d_name, name, namlen) ||
+	if (put_user(d_ino, &dirent->d_ino) ||
+	    put_user(namlen, &dirent->d_namlen) ||
+	    put_user(reclen, &dirent->d_reclen) ||
+	    copy_to_user(dirent->d_name, name, namlen) ||
 	    put_user(0, dirent->d_name + namlen))
-		return -EFAULT;
+		goto Efault;
 	dirent = (void __user *)dirent + reclen;
 	buf->dirent = dirent;
 	buf->count -= reclen;
 	return 0;
+Efault:
+	buf->error = -EFAULT;
+	return -EFAULT;
 }
 
 asmlinkage int

diff --git a/trunk/arch/ia64/include/asm/io.h b/trunk/arch/ia64/include/asm/io.h
@@ -19,6 +19,8 @@
  * Copyright (C) 1999 Don Dugger <don.dugger@intel.com>
  */
 
+#include <asm/unaligned.h>
+
 /* We don't use IO slowdowns on the ia64, but.. */
 #define __SLOW_DOWN_IO	do { } while (0)
 #define SLOW_DOWN_IO	do { } while (0)
@@ -241,7 +243,7 @@ __insw (unsigned long port, void *dst, unsigned long count)
 	unsigned short *dp = dst;
 
 	while (count--)
-		*dp++ = platform_inw(port);
+		put_unaligned(platform_inw(port), dp++);
 }
 
 static inline void
@@ -250,7 +252,7 @@ __insl (unsigned long port, void *dst, unsigned long count)
 	unsigned int *dp = dst;
 
 	while (count--)
-		*dp++ = platform_inl(port);
+		put_unaligned(platform_inl(port), dp++);
 }
 
 static inline void
@@ -268,7 +270,7 @@ __outsw (unsigned long port, const void *src, unsigned long count)
 	const unsigned short *sp = src;
 
 	while (count--)
-		platform_outw(*sp++, port);
+		platform_outw(get_unaligned(sp++), port);
 }
 
 static inline void
@@ -277,7 +279,7 @@ __outsl (unsigned long port, const void *src, unsigned long count)
 	const unsigned int *sp = src;
 
 	while (count--)
-		platform_outl(*sp++, port);
+		platform_outl(get_unaligned(sp++), port);
 }
 
 /*

diff --git a/trunk/arch/ia64/kernel/smpboot.c b/trunk/arch/ia64/kernel/smpboot.c
@@ -138,6 +138,7 @@ cpumask_t cpu_possible_map = CPU_MASK_NONE;
 EXPORT_SYMBOL(cpu_possible_map);
 
 cpumask_t cpu_core_map[NR_CPUS] __cacheline_aligned;
+EXPORT_SYMBOL(cpu_core_map);
 DEFINE_PER_CPU_SHARED_ALIGNED(cpumask_t, cpu_sibling_map);
 EXPORT_PER_CPU_SYMBOL(cpu_sibling_map);
 

diff --git a/trunk/arch/mips/emma2rh/markeins/setup.c b/trunk/arch/mips/emma2rh/markeins/setup.c
@@ -25,23 +25,9 @@
 #include <linux/init.h>
 #include <linux/kernel.h>
 #include <linux/types.h>
-#include <linux/initrd.h>
-#include <linux/irq.h>
-#include <linux/ioport.h>
-#include <linux/param.h>	/* for HZ */
-#include <linux/root_dev.h>
-#include <linux/serial.h>
-#include <linux/serial_core.h>
-
-#include <asm/cpu.h>
-#include <asm/bootinfo.h>
-#include <asm/addrspace.h>
+
 #include <asm/time.h>
-#include <asm/bcache.h>
-#include <asm/irq.h>
 #include <asm/reboot.h>
-#include <asm/traps.h>
-#include <asm/debug.h>
 
 #include <asm/emma2rh/emma2rh.h>
 

diff --git a/trunk/arch/mips/jazz/setup.c b/trunk/arch/mips/jazz/setup.c
@@ -5,33 +5,22 @@
  * License.  See the file "COPYING" in the main directory of this archive
  * for more details.
  *
- * Copyright (C) 1996, 1997, 1998, 2001, 07 by Ralf Baechle
+ * Copyright (C) 1996, 1997, 1998, 2001, 07, 08 by Ralf Baechle
  * Copyright (C) 2001 MIPS Technologies, Inc.
  * Copyright (C) 2007 by Thomas Bogendoerfer
  */
 #include <linux/eisa.h>
 #include <linux/init.h>
 #include <linux/ioport.h>
-#include <linux/sched.h>
-#include <linux/interrupt.h>
-#include <linux/mm.h>
 #include <linux/console.h>
-#include <linux/fb.h>
-#include <linux/pm.h>
 #include <linux/screen_info.h>
 #include <linux/platform_device.h>
 #include <linux/serial_8250.h>
 
-#include <asm/bootinfo.h>
-#include <asm/irq.h>
 #include <asm/jazz.h>
 #include <asm/jazzdma.h>
 #include <asm/reboot.h>
-#include <asm/io.h>
 #include <asm/pgtable.h>
-#include <asm/time.h>
-#include <asm/traps.h>
-#include <asm/mc146818-time.h>
 
 extern asmlinkage void jazz_handle_int(void);
 

diff --git a/trunk/arch/mips/kernel/.gitignore b/trunk/arch/mips/kernel/.gitignore
@@ -0,0 +1 @@
+vmlinux.lds
diff --git a/trunk/arch/mips/kernel/kgdb.c b/trunk/arch/mips/kernel/kgdb.c
@@ -62,13 +62,13 @@ void arch_kgdb_breakpoint(void)
 
 static void kgdb_call_nmi_hook(void *ignored)
 {
-	kgdb_nmicallback(raw_smp_processor_id(), (void *)0);
+	kgdb_nmicallback(raw_smp_processor_id(), NULL);
 }
 
 void kgdb_roundup_cpus(unsigned long flags)
 {
 	local_irq_enable();
-	smp_call_function(kgdb_call_nmi_hook, NULL, NULL);
+	smp_call_function(kgdb_call_nmi_hook, NULL, 0);
 	local_irq_disable();
 }
 
@@ -190,9 +190,6 @@ static int kgdb_mips_notify(struct notifier_block *self, unsigned long cmd,
 	struct pt_regs *regs = args->regs;
 	int trap = (regs->cp0_cause & 0x7c) >> 2;
 
-	if (fixup_exception(regs))
-		return NOTIFY_DONE;
-
 	/* Userpace events, ignore. */
 	if (user_mode(regs))
 		return NOTIFY_DONE;

diff --git a/trunk/arch/mips/kernel/scall32-o32.S b/trunk/arch/mips/kernel/scall32-o32.S
@@ -647,6 +647,12 @@ einval:	li	v0, -EINVAL
 	sys	sys_timerfd_create	2
 	sys	sys_timerfd_gettime	2
 	sys	sys_timerfd_settime	4
+	sys	sys_signalfd4		4
+	sys	sys_eventfd2		2	/* 4325 */
+	sys	sys_epoll_create1	1
+	sys	sys_dup3		3
+	sys	sys_pipe2		2
+	sys	sys_inotify_init1	1
 	.endm
 
 	/* We pre-compute the number of _instruction_ bytes needed to

diff --git a/trunk/arch/mips/kernel/scall64-64.S b/trunk/arch/mips/kernel/scall64-64.S
@@ -481,4 +481,10 @@ sys_call_table:
 	PTR	sys_timerfd_create		/* 5280 */
 	PTR	sys_timerfd_gettime
 	PTR	sys_timerfd_settime
+	PTR	sys_signalfd4
+	PTR	sys_eventfd2
+	PTR	sys_epoll_create1		/* 5285 */
+	PTR	sys_dup3
+	PTR	sys_pipe2
+	PTR	sys_inotify_init1
 	.size	sys_call_table,.-sys_call_table
diff --git a/trunk/arch/mips/kernel/scall64-n32.S b/trunk/arch/mips/kernel/scall64-n32.S
@@ -407,4 +407,10 @@ EXPORT(sysn32_call_table)
 	PTR	sys_timerfd_create
 	PTR	sys_timerfd_gettime		/* 5285 */
 	PTR	sys_timerfd_settime
+	PTR	sys_signalfd4
+	PTR	sys_eventfd2
+	PTR	sys_epoll_create1
+	PTR	sys_dup3			/* 5290 */
+	PTR	sys_pipe2
+	PTR	sys_inotify_init1
 	.size	sysn32_call_table,.-sysn32_call_table
diff --git a/trunk/arch/mips/kernel/scall64-o32.S b/trunk/arch/mips/kernel/scall64-o32.S
@@ -529,4 +529,10 @@ sys_call_table:
 	PTR	sys_timerfd_create
 	PTR	sys_timerfd_gettime
 	PTR	sys_timerfd_settime
+	PTR	compat_sys_signalfd4
+	PTR	sys_eventfd2			/* 4325 */
+	PTR	sys_epoll_create1
+	PTR	sys_dup3
+	PTR	sys_pipe2
+	PTR	sys_inotify_init1
 	.size	sys_call_table,.-sys_call_table
diff --git a/trunk/arch/mips/kernel/setup.c b/trunk/arch/mips/kernel/setup.c
@@ -78,7 +78,7 @@ void __init add_memory_region(phys_t start, phys_t size, long type)
 
 	/* Sanity check */
 	if (start + size < start) {
-		printk("Trying to add an invalid memory region, skipped\n");
+		pr_warning("Trying to add an invalid memory region, skipped\n");
 		return;
 	}
 
@@ -92,7 +92,7 @@ void __init add_memory_region(phys_t start, phys_t size, long type)
 	}
 
 	if (x == BOOT_MEM_MAP_MAX) {
-		printk("Ooops! Too many entries in the memory map!\n");
+		pr_err("Ooops! Too many entries in the memory map!\n");
 		return;
 	}
 
@@ -108,22 +108,22 @@ static void __init print_memory_map(void)
 	const int field = 2 * sizeof(unsigned long);
 
 	for (i = 0; i < boot_mem_map.nr_map; i++) {
-		printk(" memory: %0*Lx @ %0*Lx ",
+		printk(KERN_INFO " memory: %0*Lx @ %0*Lx ",
 		       field, (unsigned long long) boot_mem_map.map[i].size,
 		       field, (unsigned long long) boot_mem_map.map[i].addr);
 
 		switch (boot_mem_map.map[i].type) {
 		case BOOT_MEM_RAM:
-			printk("(usable)\n");
+			printk(KERN_CONT "(usable)\n");
 			break;
 		case BOOT_MEM_ROM_DATA:
-			printk("(ROM data)\n");
+			printk(KERN_CONT "(ROM data)\n");
 			break;
 		case BOOT_MEM_RESERVED:
-			printk("(reserved)\n");
+			printk(KERN_CONT "(reserved)\n");
 			break;
 		default:
-			printk("type %lu\n", boot_mem_map.map[i].type);
+			printk(KERN_CONT "type %lu\n", boot_mem_map.map[i].type);
 			break;
 		}
 	}
@@ -185,11 +185,11 @@ static unsigned long __init init_initrd(void)
 
 sanitize:
 	if (initrd_start & ~PAGE_MASK) {
-		printk(KERN_ERR "initrd start must be page aligned\n");
+		pr_err("initrd start must be page aligned\n");
 		goto disable;
 	}
 	if (initrd_start < PAGE_OFFSET) {
-		printk(KERN_ERR "initrd start < PAGE_OFFSET\n");
+		pr_err("initrd start < PAGE_OFFSET\n");
 		goto disable;
 	}
 
@@ -221,18 +221,18 @@ static void __init finalize_initrd(void)
 		goto disable;
 	}
 	if (__pa(initrd_end) > PFN_PHYS(max_low_pfn)) {
-		printk("Initrd extends beyond end of memory");
+		printk(KERN_ERR "Initrd extends beyond end of memory");
 		goto disable;
 	}
 
 	reserve_bootmem(__pa(initrd_start), size, BOOTMEM_DEFAULT);
 	initrd_below_start_ok = 1;
 
-	printk(KERN_INFO "Initial ramdisk at: 0x%lx (%lu bytes)\n",
-	       initrd_start, size);
+	pr_info("Initial ramdisk at: 0x%lx (%lu bytes)\n",
+		initrd_start, size);
 	return;
 disable:
-	printk(" - disabling initrd\n");
+	printk(KERN_CONT " - disabling initrd\n");
 	initrd_start = 0;
 	initrd_end = 0;
 }
@@ -310,14 +310,12 @@ static void __init bootmem_init(void)
 	if (min_low_pfn >= max_low_pfn)
 		panic("Incorrect memory mapping !!!");
 	if (min_low_pfn > ARCH_PFN_OFFSET) {
-		printk(KERN_INFO
-		       "Wasting %lu bytes for tracking %lu unused pages\n",
-		       (min_low_pfn - ARCH_PFN_OFFSET) * sizeof(struct page),
-		       min_low_pfn - ARCH_PFN_OFFSET);
+		pr_info("Wasting %lu bytes for tracking %lu unused pages\n",
+			(min_low_pfn - ARCH_PFN_OFFSET) * sizeof(struct page),
+			min_low_pfn - ARCH_PFN_OFFSET);
 	} else if (min_low_pfn < ARCH_PFN_OFFSET) {
-		printk(KERN_INFO
-		       "%lu free pages won't be used\n",
-		       ARCH_PFN_OFFSET - min_low_pfn);
+		pr_info("%lu free pages won't be used\n",
+			ARCH_PFN_OFFSET - min_low_pfn);
 	}
 	min_low_pfn = ARCH_PFN_OFFSET;
 
@@ -471,7 +469,7 @@ static void __init arch_mem_init(char **cmdline_p)
 	/* call board setup routine */
 	plat_mem_setup();
 
-	printk("Determined physical RAM map:\n");
+	pr_info("Determined physical RAM map:\n");
 	print_memory_map();
 
 	strlcpy(command_line, arcs_cmdline, sizeof(command_line));
@@ -482,7 +480,7 @@ static void __init arch_mem_init(char **cmdline_p)
 	parse_early_param();
 
 	if (usermem) {
-		printk("User-defined physical RAM map:\n");
+		pr_info("User-defined physical RAM map:\n");
 		print_memory_map();
 	}
 

diff --git a/trunk/arch/mips/pci/pci-ip27.c b/trunk/arch/mips/pci/pci-ip27.c
@@ -205,6 +205,7 @@ int pcibus_to_node(struct pci_bus *bus)
 
 	return bc->nasid;
 }
+EXPORT_SYMBOL(pcibus_to_node);
 
 DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_SGI, PCI_DEVICE_ID_SGI_IOC3,
 	pci_fixup_ioc3);