diff options
59 files changed, 1141 insertions, 263 deletions
diff --git a/Documentation/DocBook/Makefile b/Documentation/DocBook/Makefile index 1d1b34500b6..1615350b7b5 100644 --- a/Documentation/DocBook/Makefile +++ b/Documentation/DocBook/Makefile @@ -102,6 +102,13 @@ C-procfs-example = procfs_example.xml C-procfs-example2 = $(addprefix $(obj)/,$(C-procfs-example)) $(obj)/procfs-guide.xml: $(C-procfs-example2) +# List of programs to build +##oops, this is a kernel module::hostprogs-y := procfs_example +obj-m += procfs_example.o + +# Tell kbuild to always build the programs +always := $(hostprogs-y) + notfoundtemplate = echo "*** You have to install docbook-utils or xmlto ***"; \ exit 1 db2xtemplate = db2TYPE -o $(dir $@) $< diff --git a/Documentation/DocBook/procfs_example.c b/Documentation/DocBook/procfs_example.c index 7064084c1c5..2f3de0fb836 100644 --- a/Documentation/DocBook/procfs_example.c +++ b/Documentation/DocBook/procfs_example.c @@ -189,8 +189,6 @@ static int __init init_procfs_example(void) return 0; no_symlink: - remove_proc_entry("tty", example_dir); -no_tty: remove_proc_entry("bar", example_dir); no_bar: remove_proc_entry("foo", example_dir); @@ -206,7 +204,6 @@ out: static void __exit cleanup_procfs_example(void) { remove_proc_entry("jiffies_too", example_dir); - remove_proc_entry("tty", example_dir); remove_proc_entry("bar", example_dir); remove_proc_entry("foo", example_dir); remove_proc_entry("jiffies", example_dir); @@ -222,3 +219,4 @@ module_exit(cleanup_procfs_example); MODULE_AUTHOR("Erik Mouw"); MODULE_DESCRIPTION("procfs examples"); +MODULE_LICENSE("GPL"); diff --git a/Documentation/Makefile b/Documentation/Makefile new file mode 100644 index 00000000000..94b94573353 --- /dev/null +++ b/Documentation/Makefile @@ -0,0 +1,3 @@ +obj-m := DocBook/ accounting/ auxdisplay/ connector/ \ + filesystems/configfs/ ia64/ networking/ \ + pcmcia/ spi/ video4linux/ vm/ watchdog/src/ diff --git a/Documentation/accounting/Makefile b/Documentation/accounting/Makefile new file mode 100644 index 00000000000..31929eb875b --- /dev/null +++ b/Documentation/accounting/Makefile @@ -0,0 +1,10 @@ +# kbuild trick to avoid linker error. Can be omitted if a module is built. +obj- := dummy.o + +# List of programs to build +hostprogs-y := getdelays + +# Tell kbuild to always build the programs +always := $(hostprogs-y) + +HOSTCFLAGS_getdelays.o += -I$(objtree)/usr/include diff --git a/Documentation/accounting/getdelays.c b/Documentation/accounting/getdelays.c index 3f7755f3963..cc49400b4af 100644 --- a/Documentation/accounting/getdelays.c +++ b/Documentation/accounting/getdelays.c @@ -201,13 +201,19 @@ void print_delayacct(struct taskstats *t) "RECLAIM %12s%15s\n" " %15llu%15llu\n", "count", "real total", "virtual total", "delay total", - t->cpu_count, t->cpu_run_real_total, t->cpu_run_virtual_total, - t->cpu_delay_total, + (unsigned long long)t->cpu_count, + (unsigned long long)t->cpu_run_real_total, + (unsigned long long)t->cpu_run_virtual_total, + (unsigned long long)t->cpu_delay_total, "count", "delay total", - t->blkio_count, t->blkio_delay_total, - "count", "delay total", t->swapin_count, t->swapin_delay_total, + (unsigned long long)t->blkio_count, + (unsigned long long)t->blkio_delay_total, "count", "delay total", - t->freepages_count, t->freepages_delay_total); + (unsigned long long)t->swapin_count, + (unsigned long long)t->swapin_delay_total, + "count", "delay total", + (unsigned long long)t->freepages_count, + (unsigned long long)t->freepages_delay_total); } void task_context_switch_counts(struct taskstats *t) @@ -215,14 +221,17 @@ void task_context_switch_counts(struct taskstats *t) printf("\n\nTask %15s%15s\n" " %15llu%15llu\n", "voluntary", "nonvoluntary", - t->nvcsw, t->nivcsw); + (unsigned long long)t->nvcsw, (unsigned long long)t->nivcsw); } void print_cgroupstats(struct cgroupstats *c) { printf("sleeping %llu, blocked %llu, running %llu, stopped %llu, " - "uninterruptible %llu\n", c->nr_sleeping, c->nr_io_wait, - c->nr_running, c->nr_stopped, c->nr_uninterruptible); + "uninterruptible %llu\n", (unsigned long long)c->nr_sleeping, + (unsigned long long)c->nr_io_wait, + (unsigned long long)c->nr_running, + (unsigned long long)c->nr_stopped, + (unsigned long long)c->nr_uninterruptible); } diff --git a/Documentation/auxdisplay/Makefile b/Documentation/auxdisplay/Makefile new file mode 100644 index 00000000000..51fe23332c8 --- /dev/null +++ b/Documentation/auxdisplay/Makefile @@ -0,0 +1,10 @@ +# kbuild trick to avoid linker error. Can be omitted if a module is built. +obj- := dummy.o + +# List of programs to build +hostprogs-y := cfag12864b-example + +# Tell kbuild to always build the programs +always := $(hostprogs-y) + +HOSTCFLAGS_cfag12864b-example.o += -I$(objtree)/usr/include diff --git a/Documentation/connector/Makefile b/Documentation/connector/Makefile new file mode 100644 index 00000000000..8df1a7285a0 --- /dev/null +++ b/Documentation/connector/Makefile @@ -0,0 +1,11 @@ +ifneq ($(CONFIG_CONNECTOR),) +obj-m += cn_test.o +endif + +# List of programs to build +hostprogs-y := ucon + +# Tell kbuild to always build the programs +always := $(hostprogs-y) + +HOSTCFLAGS_ucon.o += -I$(objtree)/usr/include diff --git a/Documentation/cpu-hotplug.txt b/Documentation/cpu-hotplug.txt index ba0aacde94f..94bbc27ddd4 100644 --- a/Documentation/cpu-hotplug.txt +++ b/Documentation/cpu-hotplug.txt @@ -59,15 +59,10 @@ apicid values in those tables for disabled apics. In the event BIOS doesn't mark such hot-pluggable cpus as disabled entries, one could use this parameter "additional_cpus=x" to represent those cpus in the cpu_possible_map. -s390 uses the number of cpus it detects at IPL time to also the number of bits -in cpu_possible_map. If it is desired to add additional cpus at a later time -the number should be specified using this option or the possible_cpus option. - possible_cpus=n [s390 only] use this to set hotpluggable cpus. This option sets possible_cpus bits in cpu_possible_map. Thus keeping the numbers of bits set constant even if the machine gets rebooted. - This option overrides additional_cpus. CPU maps and such ----------------- diff --git a/Documentation/feature-removal-schedule.txt b/Documentation/feature-removal-schedule.txt index 17cab3c74e8..eb1a47b9742 100644 --- a/Documentation/feature-removal-schedule.txt +++ b/Documentation/feature-removal-schedule.txt @@ -19,15 +19,6 @@ Who: Pavel Machek <pavel@suse.cz> --------------------------- -What: old NCR53C9x driver -When: October 2007 -Why: Replaced by the much better esp_scsi driver. Actual low-level - driver can be ported over almost trivially. -Who: David Miller <davem@davemloft.net> - Christoph Hellwig <hch@lst.de> - ---------------------------- - What: Video4Linux API 1 ioctls and video_decoder.h from Video devices. When: December 2008 Files: include/linux/video_decoder.h include/linux/videodev.h diff --git a/Documentation/filesystems/configfs/Makefile b/Documentation/filesystems/configfs/Makefile new file mode 100644 index 00000000000..be7ec5e67db --- /dev/null +++ b/Documentation/filesystems/configfs/Makefile @@ -0,0 +1,3 @@ +ifneq ($(CONFIG_CONFIGFS_FS),) +obj-m += configfs_example_explicit.o configfs_example_macros.o +endif diff --git a/Documentation/filesystems/quota.txt b/Documentation/filesystems/quota.txt index a590c4093ef..5e8de25bf0f 100644 --- a/Documentation/filesystems/quota.txt +++ b/Documentation/filesystems/quota.txt @@ -3,14 +3,14 @@ Quota subsystem =============== Quota subsystem allows system administrator to set limits on used space and -number of used inodes (inode is a filesystem structure which is associated -with each file or directory) for users and/or groups. For both used space and -number of used inodes there are actually two limits. The first one is called -softlimit and the second one hardlimit. An user can never exceed a hardlimit -for any resource. User is allowed to exceed softlimit but only for limited -period of time. This period is called "grace period" or "grace time". When -grace time is over, user is not able to allocate more space/inodes until he -frees enough of them to get below softlimit. +number of used inodes (inode is a filesystem structure which is associated with +each file or directory) for users and/or groups. For both used space and number +of used inodes there are actually two limits. The first one is called softlimit +and the second one hardlimit. An user can never exceed a hardlimit for any +resource (unless he has CAP_SYS_RESOURCE capability). User is allowed to exceed +softlimit but only for limited period of time. This period is called "grace +period" or "grace time". When grace time is over, user is not able to allocate +more space/inodes until he frees enough of them to get below softlimit. Quota limits (and amount of grace time) are set independently for each filesystem. @@ -53,6 +53,12 @@ in parentheses): QUOTA_NL_BSOFTLONGWARN - space (block) softlimit is exceeded longer than given grace period. QUOTA_NL_BSOFTWARN - space (block) softlimit + - four warnings are also defined for the event when user stops + exceeding some limit: + QUOTA_NL_IHARDBELOW - inode hardlimit + QUOTA_NL_ISOFTBELOW - inode softlimit + QUOTA_NL_BHARDBELOW - space (block) hardlimit + QUOTA_NL_BSOFTBELOW - space (block) softlimit QUOTA_NL_A_DEV_MAJOR (u32) - major number of a device with the affected filesystem QUOTA_NL_A_DEV_MINOR (u32) diff --git a/Documentation/ia64/Makefile b/Documentation/ia64/Makefile new file mode 100644 index 00000000000..b75db69ec48 --- /dev/null +++ b/Documentation/ia64/Makefile @@ -0,0 +1,8 @@ +# kbuild trick to avoid linker error. Can be omitted if a module is built. +obj- := dummy.o + +# List of programs to build +hostprogs-y := aliasing-test + +# Tell kbuild to always build the programs +always := $(hostprogs-y) diff --git a/Documentation/networking/Makefile b/Documentation/networking/Makefile new file mode 100644 index 00000000000..6d8af1ac56c --- /dev/null +++ b/Documentation/networking/Makefile @@ -0,0 +1,8 @@ +# kbuild trick to avoid linker error. Can be omitted if a module is built. +obj- := dummy.o + +# List of programs to build +hostprogs-y := ifenslave + +# Tell kbuild to always build the programs +always := $(hostprogs-y) diff --git a/Documentation/networking/ifenslave.c b/Documentation/networking/ifenslave.c index a1205988675..1b96ccda383 100644 --- a/Documentation/networking/ifenslave.c +++ b/Documentation/networking/ifenslave.c @@ -1081,7 +1081,7 @@ static int set_if_addr(char *master_ifname, char *slave_ifname) } - ipaddr = ifr.ifr_addr.sa_data; + ipaddr = (unsigned char *)ifr.ifr_addr.sa_data; v_print("Interface '%s': set IP %s to %d.%d.%d.%d\n", slave_ifname, ifra[i].desc, ipaddr[0], ipaddr[1], ipaddr[2], ipaddr[3]); diff --git a/Documentation/pcmcia/Makefile b/Documentation/pcmcia/Makefile new file mode 100644 index 00000000000..accde871ae7 --- /dev/null +++ b/Documentation/pcmcia/Makefile @@ -0,0 +1,10 @@ +# kbuild trick to avoid linker error. Can be omitted if a module is built. +obj- := dummy.o + +# List of programs to build +hostprogs-y := crc32hash + +# Tell kbuild to always build the programs +always := $(hostprogs-y) + +HOSTCFLAGS_crc32hash.o += -I$(objtree)/usr/include diff --git a/Documentation/pcmcia/crc32hash.c b/Documentation/pcmcia/crc32hash.c index cbc36d299af..4210e5abab8 100644 --- a/Documentation/pcmcia/crc32hash.c +++ b/Documentation/pcmcia/crc32hash.c @@ -26,7 +26,7 @@ int main(int argc, char **argv) { printf("no string passed as argument\n"); return -1; } - result = crc32(argv[1], strlen(argv[1])); + result = crc32((unsigned char const *)argv[1], strlen(argv[1])); printf("0x%x\n", result); return 0; } diff --git a/Documentation/spi/Makefile b/Documentation/spi/Makefile new file mode 100644 index 00000000000..a5b03c88bea --- /dev/null +++ b/Documentation/spi/Makefile @@ -0,0 +1,11 @@ +# kbuild trick to avoid linker error. Can be omitted if a module is built. +obj- := dummy.o + +# List of programs to build +hostprogs-y := spidev_test spidev_fdx + +# Tell kbuild to always build the programs +always := $(hostprogs-y) + +HOSTCFLAGS_spidev_test.o += -I$(objtree)/usr/include +HOSTCFLAGS_spidev_fdx.o += -I$(objtree)/usr/include diff --git a/Documentation/video4linux/Makefile b/Documentation/video4linux/Makefile new file mode 100644 index 00000000000..1ed0e98d057 --- /dev/null +++ b/Documentation/video4linux/Makefile @@ -0,0 +1,8 @@ +# kbuild trick to avoid linker error. Can be omitted if a module is built. +obj- := dummy.o + +# List of programs to build +hostprogs-y := v4lgrab + +# Tell kbuild to always build the programs +always := $(hostprogs-y) diff --git a/Documentation/vm/Makefile b/Documentation/vm/Makefile new file mode 100644 index 00000000000..6f562f778b2 --- /dev/null +++ b/Documentation/vm/Makefile @@ -0,0 +1,8 @@ +# kbuild trick to avoid linker error. Can be omitted if a module is built. +obj- := dummy.o + +# List of programs to build +hostprogs-y := slabinfo + +# Tell kbuild to always build the programs +always := $(hostprogs-y) diff --git a/Documentation/watchdog/src/Makefile b/Documentation/watchdog/src/Makefile new file mode 100644 index 00000000000..40e5f46e474 --- /dev/null +++ b/Documentation/watchdog/src/Makefile @@ -0,0 +1,8 @@ +# kbuild trick to avoid linker error. Can be omitted if a module is built. +obj- := dummy.o + +# List of programs to build +hostprogs-y := watchdog-simple watchdog-test + +# Tell kbuild to always build the programs +always := $(hostprogs-y) @@ -822,6 +822,9 @@ endif ifdef CONFIG_SAMPLES $(Q)$(MAKE) $(build)=samples endif +ifdef CONFIG_BUILD_DOCSRC + $(Q)$(MAKE) $(build)=Documentation +endif $(call vmlinux-modpost) $(call if_changed_rule,vmlinux__) $(Q)rm -f .old_version @@ -1166,7 +1169,7 @@ MRPROPER_FILES += .config .config.old include/asm .version .old_version \ # clean: rm-dirs := $(CLEAN_DIRS) clean: rm-files := $(CLEAN_FILES) -clean-dirs := $(addprefix _clean_,$(srctree) $(vmlinux-alldirs)) +clean-dirs := $(addprefix _clean_,$(srctree) $(vmlinux-alldirs) Documentation) PHONY += $(clean-dirs) clean archclean $(clean-dirs): diff --git a/arch/h8300/mm/init.c b/arch/h8300/mm/init.c index a1d228f5e4e..9942f24aff9 100644 --- a/arch/h8300/mm/init.c +++ b/arch/h8300/mm/init.c @@ -40,9 +40,6 @@ #undef DEBUG -extern void die_if_kernel(char *,struct pt_regs *,long); -extern void free_initmem(void); - /* * BAD_PAGE is the page that is used for page faults when linux * is out-of-memory. Older versions of linux just did a @@ -73,7 +70,7 @@ extern unsigned long memory_end; * The parameters are pointers to where to stick the starting and ending * addresses of available kernel virtual memory. */ -void paging_init(void) +void __init paging_init(void) { /* * Make sure start_mem is page aligned, otherwise bootmem and @@ -122,7 +119,7 @@ void paging_init(void) } } -void mem_init(void) +void __init mem_init(void) { int codek = 0, datak = 0, initk = 0; /* DAVIDM look at setup memory map generically with reserved area */ @@ -178,7 +175,7 @@ void free_initrd_mem(unsigned long start, unsigned long end) #endif void -free_initmem() +free_initmem(void) { #ifdef CONFIG_RAMKERNEL unsigned long addr; diff --git a/drivers/char/rtc.c b/drivers/char/rtc.c index d9799e2bcfb..f53d4d00faf 100644 --- a/drivers/char/rtc.c +++ b/drivers/char/rtc.c @@ -78,7 +78,6 @@ #include <linux/wait.h> #include <linux/bcd.h> #include <linux/delay.h> -#include <linux/smp_lock.h> #include <linux/uaccess.h> #include <asm/current.h> diff --git a/drivers/cpuidle/sysfs.c b/drivers/cpuidle/sysfs.c index 31a0e0b455b..97b003839fb 100644 --- a/drivers/cpuidle/sysfs.c +++ b/drivers/cpuidle/sysfs.c @@ -21,8 +21,8 @@ static int __init cpuidle_sysfs_setup(char *unused) } __setup("cpuidle_sysfs_switch", cpuidle_sysfs_setup); -static ssize_t show_available_governors(struct sys_device *dev, - struct sysdev_attribute *attr, char *buf) +static ssize_t show_available_governors(struct sysdev_class *class, + char *buf) { ssize_t i = 0; struct cpuidle_governor *tmp; @@ -40,8 +40,8 @@ out: return i; } -static ssize_t show_current_driver(struct sys_device *dev, - struct sysdev_attribute *attr, char *buf) +static ssize_t show_current_driver(struct sysdev_class *class, + char *buf) { ssize_t ret; @@ -55,8 +55,8 @@ static ssize_t show_current_driver(struct sys_device *dev, return ret; } -static ssize_t show_current_governor(struct sys_device *dev, - struct sysdev_attribute *attr, char *buf) +static ssize_t show_current_governor(struct sysdev_class *class, + char *buf) { ssize_t ret; @@ -70,9 +70,8 @@ static ssize_t show_current_governor(struct sys_device *dev, return ret; } -static ssize_t store_current_governor(struct sys_device *dev, - struct sysdev_attribute *attr, - const char *buf, size_t count) +static ssize_t store_current_governor(struct sysdev_class *class, + const char *buf, size_t count) { char gov_name[CPUIDLE_NAME_LEN]; int ret = -EINVAL; @@ -104,8 +103,9 @@ static ssize_t store_current_governor(struct sys_device *dev, return count; } -static SYSDEV_ATTR(current_driver, 0444, show_current_driver, NULL); -static SYSDEV_ATTR(current_governor_ro, 0444, show_current_governor, NULL); +static SYSDEV_CLASS_ATTR(current_driver, 0444, show_current_driver, NULL); +static SYSDEV_CLASS_ATTR(current_governor_ro, 0444, show_current_governor, + NULL); static struct attribute *cpuclass_default_attrs[] = { &attr_current_driver.attr, @@ -113,9 +113,10 @@ static struct attribute *cpuclass_default_attrs[] = { NULL }; -static SYSDEV_ATTR(available_governors, 0444, show_available_governors, NULL); -static SYSDEV_ATTR(current_governor, 0644, show_current_governor, - store_current_governor); +static SYSDEV_CLASS_ATTR(available_governors, 0444, show_available_governors, + NULL); +static SYSDEV_CLASS_ATTR(current_governor, 0644, show_current_governor, + store_current_governor); static struct attribute *cpuclass_switch_attrs[] = { &attr_available_governors.attr, diff --git a/drivers/firmware/memmap.c b/drivers/firmware/memmap.c index 001622eb86f..3bf8ee120d4 100644 --- a/drivers/firmware/memmap.c +++ b/drivers/firmware/memmap.c @@ -84,20 +84,23 @@ static struct kobj_type memmap_ktype = { */ /* - * Firmware memory map entries + * Firmware memory map entries. No locking is needed because the + * firmware_map_add() and firmware_map_add_early() functions are called + * in firmware initialisation code in one single thread of execution. */ static LIST_HEAD(map_entries); /** - * Common implementation of firmware_map_add() and firmware_map_add_early() - * which expects a pre-allocated struct firmware_map_entry. - * + * firmware_map_add_entry() - Does the real work to add a firmware memmap entry. * @start: Start of the memory range. * @end: End of the memory range (inclusive). * @type: Type of the memory range. * @entry: Pre-allocated (either kmalloc() or bootmem allocator), uninitialised * entry. - */ + * + * Common implementation of firmware_map_add() and firmware_map_add_early() + * which expects a pre-allocated struct firmware_map_entry. + **/ static int firmware_map_add_entry(resource_size_t start, resource_size_t end, const char *type, struct firmware_map_entry *entry) @@ -115,33 +118,52 @@ static int firmware_map_add_entry(resource_size_t start, resource_size_t end, return 0; } -/* - * See <linux/firmware-map.h> for documentation. - */ +/** + * firmware_map_add() - Adds a firmware mapping entry. + * @start: Start of the memory range. + * @end: End of the memory range (inclusive). + * @type: Type of the memory range. + * + * This function uses kmalloc() for memory + * allocation. Use firmware_map_add_early() if you want to use the bootmem + * allocator. + * + * That function must be called before late_initcall. + * + * Returns 0 on success, or -ENOMEM if no memory could be allocated. + **/ int firmware_map_add(resource_size_t start, resource_size_t end, const char *type) { struct firmware_map_entry *entry; entry = kmalloc(sizeof(struct firmware_map_entry), GFP_ATOMIC); - WARN_ON(!entry); if (!entry) return -ENOMEM; return firmware_map_add_entry(start, end, type, entry); } -/* - * See <linux/firmware-map.h> for documentation. - */ +/** + * firmware_map_add_early() - Adds a firmware mapping entry. + * @start: Start of the memory range. + * @end: End of the memory range (inclusive). + * @type: Type of the memory range. + * + * Adds a firmware mapping entry. This function uses the bootmem allocator + * for memory allocation. Use firmware_map_add() if you want to use kmalloc(). + * + * That function must be called before late_initcall. + * + * Returns 0 on success, or -ENOMEM if no memory could be allocated. + **/ int __init firmware_map_add_early(resource_size_t start, resource_size_t end, const char *type) { struct firmware_map_entry *entry; entry = alloc_bootmem_low(sizeof(struct firmware_map_entry)); - WARN_ON(!entry); - if (!entry) + if (WARN_ON(!entry)) return -ENOMEM; return firmware_map_add_entry(start, end, type, entry); @@ -183,7 +205,10 @@ static ssize_t memmap_attr_show(struct kobject *kobj, /* * Initialises stuff and adds the entries in the map_entries list to * sysfs. Important is that firmware_map_add() and firmware_map_add_early() - * must be called before late_initcall. + * must be called before late_initcall. That's just because that function + * is called as late_initcall() function, which means that if you call + * firmware_map_add() or firmware_map_add_early() afterwards, the entries + * are not added to sysfs. */ static int __init memmap_init(void) { @@ -192,13 +217,13 @@ static int __init memmap_init(void) struct kset *memmap_kset; memmap_kset = kset_create_and_add("memmap", NULL, firmware_kobj); - WARN_ON(!memmap_kset); - if (!memmap_kset) + if (WARN_ON(!memmap_kset)) return -ENOMEM; list_for_each_entry(entry, &map_entries, list) { entry->kobj.kset = memmap_kset; - kobject_add(&entry->kobj, NULL, "%d", i++); + if (kobject_add(&entry->kobj, NULL, "%d", i++)) + kobject_put(&entry->kobj); } return 0; diff --git a/drivers/misc/sgi-gru/grutables.h b/drivers/misc/sgi-gru/grutables.h index 4251018f70f..a78f70deeb5 100644 --- a/drivers/misc/sgi-gru/grutables.h +++ b/drivers/misc/sgi-gru/grutables.h @@ -279,7 +279,7 @@ struct gru_stats_s { #if defined CONFIG_IA64 #define VADDR_HI_BIT 64 #define GRUREGION(addr) ((addr) >> (VADDR_HI_BIT - 3) & 3) -#elif defined __x86_64 +#elif defined CONFIG_X86_64 #define VADDR_HI_BIT 48 #define GRUREGION(addr) (0) /* ZZZ could do better */ #else diff --git a/drivers/rtc/rtc-dev.c b/drivers/rtc/rtc-dev.c index 856cc1af40d..35dcc06eb3e 100644 --- a/drivers/rtc/rtc-dev.c +++ b/drivers/rtc/rtc-dev.c @@ -13,7 +13,6 @@ #include <linux/module.h> #include <linux/rtc.h> -#include <linux/smp_lock.h> #include "rtc-core.h" static dev_t rtc_devt; @@ -27,11 +26,8 @@ static int rtc_dev_open(struct inode *inode, struct file *file) struct rtc_device, char_dev); const struct rtc_class_ops *ops = rtc->ops; - lock_kernel(); - if (test_and_set_bit_lock(RTC_DEV_BUSY, &rtc->flags)) { - err = -EBUSY; - goto out; - } + if (test_and_set_bit_lock(RTC_DEV_BUSY, &rtc->flags)) + return -EBUSY; file->private_data = rtc; @@ -41,13 +37,11 @@ static int rtc_dev_open(struct inode *inode, struct file *file) rtc->irq_data = 0; spin_unlock_irq(&rtc->irq_lock); - goto out; + return 0; } /* something has gone wrong */ clear_bit_unlock(RTC_DEV_BUSY, &rtc->flags); -out: - unlock_kernel(); return err; } diff --git a/drivers/rtc/rtc-isl1208.c b/drivers/rtc/rtc-isl1208.c index fbb90b1e409..a81adab6e51 100644 --- a/drivers/rtc/rtc-isl1208.c +++ b/drivers/rtc/rtc-isl1208.c @@ -482,7 +482,7 @@ isl1208_sysfs_register(struct device *dev) static int isl1208_sysfs_unregister(struct device *dev) { - device_remove_file(dev, &dev_attr_atrim); + device_remove_file(dev, &dev_attr_dtrim); device_remove_file(dev, &dev_attr_atrim); device_remove_file(dev, &dev_attr_usr); diff --git a/drivers/usb/misc/isight_firmware.c b/drivers/usb/misc/isight_firmware.c index d94aa738760..b897f6554ec 100644 --- a/drivers/usb/misc/isight_firmware.c +++ b/drivers/usb/misc/isight_firmware.c @@ -48,7 +48,8 @@ static int isight_firmware_load(struct usb_interface *intf, if (request_firmware(&firmware, "isight.fw", &dev->dev) != 0) { printk(KERN_ERR "Unable to load isight firmware\n"); - return -ENODEV; + ret = -ENODEV; + goto out; } ptr = firmware->data; @@ -91,7 +92,6 @@ static int isight_firmware_load(struct usb_interface *intf, buf, llen, 300) != llen) { printk(KERN_ERR "Failed to load isight firmware\n"); - kfree(buf); ret = -ENODEV; goto out; } diff --git a/drivers/video/atmel_lcdfb.c b/drivers/video/atmel_lcdfb.c index e7018a2f56a..9c5925927ec 100644 --- a/drivers/video/atmel_lcdfb.c +++ b/drivers/video/atmel_lcdfb.c @@ -39,7 +39,9 @@ #endif #if defined(CONFIG_ARCH_AT91) -#define ATMEL_LCDFB_FBINFO_DEFAULT FBINFO_DEFAULT +#define ATMEL_LCDFB_FBINFO_DEFAULT (FBINFO_DEFAULT \ + | FBINFO_PARTIAL_PAN_OK \ + | FBINFO_HWACCEL_YPAN) static inline void atmel_lcdfb_update_dma2d(struct atmel_lcdfb_info *sinfo, struct fb_var_screeninfo *var) @@ -177,7 +179,7 @@ static struct fb_fix_screeninfo atmel_lcdfb_fix __initdata = { .type = FB_TYPE_PACKED_PIXELS, .visual = FB_VISUAL_TRUECOLOR, .xpanstep = 0, - .ypanstep = 0, + .ypanstep = 1, .ywrapstep = 0, .accel = FB_ACCEL_NONE, }; @@ -240,9 +242,11 @@ static int atmel_lcdfb_alloc_video_memory(struct atmel_lcdfb_info *sinfo) { struct fb_info *info = sinfo->info; struct fb_var_screeninfo *var = &info->var; + unsigned int smem_len; - info->fix.smem_len = (var->xres_virtual * var->yres_virtual - * ((var->bits_per_pixel + 7) / 8)); + smem_len = (var->xres_virtual * var->yres_virtual + * ((var->bits_per_pixel + 7) / 8)); + info->fix.smem_len = max(smem_len, sinfo->smem_len); info->screen_base = dma_alloc_writecombine(info->device, info->fix.smem_len, (dma_addr_t *)&info->fix.smem_start, GFP_KERNEL); @@ -794,6 +798,7 @@ static int __init atmel_lcdfb_probe(struct platform_device *pdev) sinfo->default_monspecs = pdata_sinfo->default_monspecs; sinfo->atmel_lcdfb_power_control = pdata_sinfo->atmel_lcdfb_power_control; sinfo->guard_time = pdata_sinfo->guard_time; + sinfo->smem_len = pdata_sinfo->smem_len; sinfo->lcdcon_is_backlight = pdata_sinfo->lcdcon_is_backlight; sinfo->lcd_wiring_mode = pdata_sinfo->lcd_wiring_mode; } else { diff --git a/drivers/video/aty/radeon_accel.c b/drivers/video/aty/radeon_accel.c index 4d13f68436e..aa95f835024 100644 --- a/drivers/video/aty/radeon_accel.c +++ b/drivers/video/aty/radeon_accel.c @@ -55,6 +55,10 @@ static void radeonfb_prim_fillrect(struct radeonfb_info *rinfo, OUTREG(DP_WRITE_MSK, 0xffffffff); OUTREG(DP_CNTL, (DST_X_LEFT_TO_RIGHT | DST_Y_TOP_TO_BOTTOM)); + radeon_fifo_wait(2); + OUTREG(DSTCACHE_CTLSTAT, RB2D_DC_FLUSH_ALL); + OUTREG(WAIT_UNTIL, (WAIT_2D_IDLECLEAN | WAIT_DMA_GUI_IDLE)); + radeon_fifo_wait(2); OUTREG(DST_Y_X, (region->dy << 16) | region->dx); OUTREG(DST_WIDTH_HEIGHT, (region->width << 16) | region->height); @@ -116,6 +120,10 @@ static void radeonfb_prim_copyarea(struct radeonfb_info *rinfo, OUTREG(DP_CNTL, (xdir>=0 ? DST_X_LEFT_TO_RIGHT : 0) | (ydir>=0 ? DST_Y_TOP_TO_BOTTOM : 0)); + radeon_fifo_wait(2); + OUTREG(DSTCACHE_CTLSTAT, RB2D_DC_FLUSH_ALL); + OUTREG(WAIT_UNTIL, (WAIT_2D_IDLECLEAN | WAIT_DMA_GUI_IDLE)); + radeon_fifo_wait(3); OUTREG(SRC_Y_X, (sy << 16) | sx); OUTREG(DST_Y_X, (dy << 16) | dx); diff --git a/drivers/video/console/fbcon.c b/drivers/video/console/fbcon.c index 33859934a8e..c6299e8a041 100644 --- a/drivers/video/console/fbcon.c +++ b/drivers/video/console/fbcon.c @@ -2518,7 +2518,7 @@ static int fbcon_do_set_font(struct vc_data *vc, int w, int h, c = vc->vc_video_erase_char; vc->vc_video_erase_char = ((c & 0xfe00) >> 1) | (c & 0xff); - c = vc->vc_def_color; + c = vc->vc_scrl_erase_char; vc->vc_scrl_erase_char = ((c & 0xFE00) >> 1) | (c & 0xFF); vc->vc_attr >>= 1; @@ -2551,7 +2551,7 @@ static int fbcon_do_set_font(struct vc_data *vc, int w, int h, if (vc->vc_can_do_color) { vc->vc_video_erase_char = ((c & 0xff00) << 1) | (c & 0xff); - c = vc->vc_def_color; + c = vc->vc_scrl_erase_char; vc->vc_scrl_erase_char = ((c & 0xFF00) << 1) | (c & 0xFF); vc->vc_attr <<= 1; diff --git a/drivers/video/matrox/i2c-matroxfb.c b/drivers/video/matrox/i2c-matroxfb.c index 75ee5a12e54..c14e3e2212b 100644 --- a/drivers/video/matrox/i2c-matroxfb.c +++ b/drivers/video/matrox/i2c-matroxfb.c @@ -87,13 +87,7 @@ static int matroxfb_gpio_getscl(void* data) { return (matroxfb_read_gpio(b->minfo) & b->mask.clock) ? 1 : 0; } -static struct i2c_adapter matrox_i2c_adapter_template = -{ - .owner = THIS_MODULE, - .id = I2C_HW_B_G400, -}; - -static struct i2c_algo_bit_data matrox_i2c_algo_template = +static const struct i2c_algo_bit_data matrox_i2c_algo_template = { .setsda = matroxfb_gpio_setsda, .setscl = matroxfb_gpio_setscl, @@ -112,7 +106,7 @@ static int i2c_bus_reg(struct i2c_bit_adapter* b, struct matrox_fb_info* minfo, b->minfo = minfo; b->mask.data = data; b->mask.clock = clock; - b->adapter = matrox_i2c_adapter_template; + b->adapter.owner = THIS_MODULE; snprintf(b->adapter.name, sizeof(b->adapter.name), name, minfo->fbcon.node); i2c_set_adapdata(&b->adapter, b); @@ -187,6 +181,17 @@ static void* i2c_matroxfb_probe(struct matrox_fb_info* minfo) { MAT_DATA, MAT_CLK, "MAVEN:fb%u", 0); if (err) printk(KERN_INFO "i2c-matroxfb: Could not register Maven i2c bus. Continuing anyway.\n"); + else { + struct i2c_board_info maven_info = { + I2C_BOARD_INFO("maven", 0x1b), + }; + unsigned short const addr_list[2] = { + 0x1b, I2C_CLIENT_END + }; + + i2c_new_probed_device(&m2info->maven.adapter, + &maven_info, addr_list); + } } return m2info; fail_ddc1:; diff --git a/drivers/video/matrox/matroxfb_maven.c b/drivers/video/matrox/matroxfb_maven.c index 89da27bd5c4..042408a8c63 100644 --- a/drivers/video/matrox/matroxfb_maven.c +++ b/drivers/video/matrox/matroxfb_maven.c @@ -19,8 +19,6 @@ #include <linux/matroxfb.h> #include <asm/div64.h> -#define MAVEN_I2CID (0x1B) - #define MGATVO_B 1 #define MGATVO_C 2 @@ -128,7 +126,7 @@ static int get_ctrl_id(__u32 v4l2_id) { struct maven_data { struct matrox_fb_info* primary_head; - struct i2c_client client; + struct i2c_client *client; int version; }; @@ -974,7 +972,7 @@ static inline int maven_compute_timming(struct maven_data* md, static int maven_program_timming(struct maven_data* md, const struct mavenregs* m) { - struct i2c_client* c = &md->client; + struct i2c_client *c = md->client; if (m->mode == MATROXFB_OUTPUT_MODE_MONITOR) { LR(0x80); @@ -1011,7 +1009,7 @@ static int maven_program_timming(struct maven_data* md, } static inline int maven_resync(struct maven_data* md) { - struct i2c_client* c = &md->client; + struct i2c_client *c = md->client; maven_set_reg(c, 0x95, 0x20); /* start whole thing */ return 0; } @@ -1069,48 +1067,48 @@ static int maven_set_control (struct maven_data* md, maven_compute_bwlevel(md, &blacklevel, &whitelevel); blacklevel = (blacklevel >> 2) | ((blacklevel & 3) << 8); whitelevel = (whitelevel >> 2) | ((whitelevel & 3) << 8); - maven_set_reg_pair(&md->client, 0x0e, blacklevel); - maven_set_reg_pair(&md->client, 0x1e, whitelevel); + maven_set_reg_pair(md->client, 0x0e, blacklevel); + maven_set_reg_pair(md->client, 0x1e, whitelevel); } break; case V4L2_CID_SATURATION: { - maven_set_reg(&md->client, 0x20, p->value); - maven_set_reg(&md->client, 0x22, p->value); + maven_set_reg(md->client, 0x20, p->value); + maven_set_reg(md->client, 0x22, p->value); } break; case V4L2_CID_HUE: { - maven_set_reg(&md->client, 0x25, p->value); + maven_set_reg(md->client, 0x25, p->value); } break; case V4L2_CID_GAMMA: { const struct maven_gamma* g; g = maven_compute_gamma(md); - maven_set_reg(&md->client, 0x83, g->reg83); - maven_set_reg(&md->client, 0x84, g->reg84); - maven_set_reg(&md->client, 0x85, g->reg85); - maven_set_reg(&md->client, 0x86, g->reg86); - maven_set_reg(&md->client, 0x87, g->reg87); - maven_set_reg(&md->client, 0x88, g->reg88); - maven_set_reg(&md->client, 0x89, g->reg89); - maven_set_reg(&md->client, 0x8a, g->reg8a); - maven_set_reg(&md->client, 0x8b, g->reg8b); + maven_set_reg(md->client, 0x83, g->reg83); + maven_set_reg(md->client, 0x84, g->reg84); + maven_set_reg(md->client, 0x85, g->reg85); + maven_set_reg(md->client, 0x86, g->reg86); + maven_set_reg(md->client, 0x87, g->reg87); + maven_set_reg(md->client, 0x88, g->reg88); + maven_set_reg(md->client, 0x89, g->reg89); + maven_set_reg(md->client, 0x8a, g->reg8a); + maven_set_reg(md->client, 0x8b, g->reg8b); } break; case MATROXFB_CID_TESTOUT: { unsigned char val - = maven_get_reg(&md->client,0x8d); + = maven_get_reg(md->client, 0x8d); if (p->value) val |= 0x10; else val &= ~0x10; - maven_set_reg(&md->client, 0x8d, val); + maven_set_reg(md->client, 0x8d, val); } break; case MATROXFB_CID_DEFLICKER: { - maven_set_reg(&md->client, 0x93, maven_compute_deflicker(md)); + maven_set_reg(md->client, 0x93, maven_compute_deflicker(md)); } break; } @@ -1189,6 +1187,7 @@ static int maven_init_client(struct i2c_client* clnt) { MINFO_FROM(container_of(clnt->adapter, struct i2c_bit_adapter, adapter)->minfo); md->primary_head = MINFO; + md->client = clnt; down_write(&ACCESS_FBINFO(altout.lock)); ACCESS_FBINFO(outputs[1]).output = &maven_altout; ACCESS_FBINFO(outputs[1]).src = ACCESS_FBINFO(outputs[1]).default_src; @@ -1232,14 +1231,11 @@ static int maven_shutdown_client(struct i2c_client* clnt) { return 0; } -static const unsigned short normal_i2c[] = { MAVEN_I2CID, I2C_CLIENT_END }; -I2C_CLIENT_INSMOD; - -static struct i2c_driver maven_driver; - -static int maven_detect_client(struct i2c_adapter* adapter, int address, int kind) { - int err = 0; - struct i2c_client* new_client; +static int maven_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + struct i2c_adapter *adapter = client->adapter; + int err = -ENODEV; struct maven_data* data; if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_WRITE_WORD_DATA | @@ -1250,50 +1246,37 @@ static int maven_detect_client(struct i2c_adapter* adapter, int address, int kin err = -ENOMEM; goto ERROR0; } - new_client = &data->client; - i2c_set_clientdata(new_client, data); - new_client->addr = address; - new_client->adapter = adapter; - new_client->driver = &maven_driver; - new_client->flags = 0; - strlcpy(new_client->name, "maven", I2C_NAME_SIZE); - if ((err = i2c_attach_client(new_client))) - goto ERROR3; - err = maven_init_client(new_client); + i2c_set_clientdata(client, data); + err = maven_init_client(client); if (err) goto ERROR4; return 0; ERROR4:; - i2c_detach_client(new_client); -ERROR3:; - kfree(new_client); + kfree(data); ERROR0:; return err; } -static int maven_attach_adapter(struct i2c_adapter* adapter) { - if (adapter->id == I2C_HW_B_G400) - return i2c_probe(adapter, &addr_data, &maven_detect_client); - return 0; -} - -static int maven_detach_client(struct i2c_client* client) { - int err; - - if ((err = i2c_detach_client(client))) - return err; +static int maven_remove(struct i2c_client *client) +{ maven_shutdown_client(client); kfree(i2c_get_clientdata(client)); return 0; } +static const struct i2c_device_id maven_id[] = { + { "maven", 0 }, + { } +}; +MODULE_DEVICE_TABLE(i2c, maven_id); + static struct i2c_driver maven_driver={ .driver = { .name = "maven", }, - .id = I2C_DRIVERID_MGATVO, - .attach_adapter = maven_attach_adapter, - .detach_client = maven_detach_client, + .probe = maven_probe, + .remove = maven_remove, + .id_table = maven_id, }; static int __init matroxfb_maven_init(void) diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig index 32b9fe15364..db20542796b 100644 --- a/drivers/watchdog/Kconfig +++ b/drivers/watchdog/Kconfig @@ -285,10 +285,11 @@ config ALIM1535_WDT config ALIM7101_WDT tristate "ALi M7101 PMU Computer Watchdog" - depends on X86 && PCI + depends on PCI help This is the driver for the hardware watchdog on the ALi M7101 PMU - as used in the x86 Cobalt servers. + as used in the x86 Cobalt servers and also found in some + SPARC Netra servers too. To compile this driver as a module, choose M here: the module will be called alim7101_wdt. diff --git a/fs/eventpoll.c b/fs/eventpoll.c index 0c87474f791..7cc0eb756b5 100644 --- a/fs/eventpoll.c +++ b/fs/eventpoll.c @@ -1041,10 +1041,7 @@ retry: } /* - * It opens an eventpoll file descriptor. The "size" parameter is there - * for historical reasons, when epoll was using an hash instead of an - * RB tree. With the current implementation, the "size" parameter is ignored - * (besides sanity checks). + * Open an eventpoll file descriptor. */ asmlinkage long sys_epoll_create1(int flags) { diff --git a/fs/reiserfs/super.c b/fs/reiserfs/super.c index 282a13596c7..d318c7e663f 100644 --- a/fs/reiserfs/super.c +++ b/fs/reiserfs/super.c @@ -27,7 +27,6 @@ #include <linux/mnt_namespace.h> #include <linux/mount.h> #include <linux/namei.h> -#include <linux/quotaops.h> struct file_system_type reiserfs_fs_type; diff --git a/fs/seq_file.c b/fs/seq_file.c index 3f54dbd6c49..5d54205e486 100644 --- a/fs/seq_file.c +++ b/fs/seq_file.c @@ -443,6 +443,20 @@ int seq_dentry(struct seq_file *m, struct dentry *dentry, char *esc) return -1; } +int seq_bitmap(struct seq_file *m, unsigned long *bits, unsigned int nr_bits) +{ + size_t len = bitmap_scnprintf_len(nr_bits); + + if (m->count + len < m->size) { + bitmap_scnprintf(m->buf + m->count, m->size - m->count, + bits, nr_bits); + m->count += len; + return 0; + } + m->count = m->size; + return -1; +} + static void *single_start(struct seq_file *p, loff_t *pos) { return NULL + (*pos == 0); diff --git a/include/asm-generic/ioctl.h b/include/asm-generic/ioctl.h index 86418138557..15828b2d663 100644 --- a/include/asm-generic/ioctl.h +++ b/include/asm-generic/ioctl.h @@ -68,12 +68,16 @@ ((nr) << _IOC_NRSHIFT) | \ ((size) << _IOC_SIZESHIFT)) +#ifdef __KERNEL__ /* provoke compile error for invalid uses of size argument */ extern unsigned int __invalid_size_argument_for_IOC; #define _IOC_TYPECHECK(t) \ ((sizeof(t) == sizeof(t[1]) && \ sizeof(t) < (1 << _IOC_SIZEBITS)) ? \ sizeof(t) : __invalid_size_argument_for_IOC) +#else +#define _IOC_TYPECHECK(t) (sizeof(t)) +#endif /* used to create numbers */ #define _IO(type,nr) _IOC(_IOC_NONE,(type),(nr),0) diff --git a/include/linux/bitmap.h b/include/linux/bitmap.h index 1abfe664c44..89781fd4885 100644 --- a/include/linux/bitmap.h +++ b/include/linux/bitmap.h @@ -110,6 +110,7 @@ extern int __bitmap_weight(const unsigned long *bitmap, int bits); extern int bitmap_scnprintf(char *buf, unsigned int len, const unsigned long *src, int nbits); +extern int bitmap_scnprintf_len(unsigned int nr_bits); extern int __bitmap_parse(const char *buf, unsigned int buflen, int is_user, unsigned long *dst, int nbits); extern int bitmap_parse_user(const char __user *ubuf, unsigned int ulen, diff --git a/include/linux/bootmem.h b/include/linux/bootmem.h index 652470b687c..95837bfb525 100644 --- a/include/linux/bootmem.h +++ b/include/linux/bootmem.h @@ -97,10 +97,14 @@ extern void *__alloc_bootmem_low_node(pg_data_t *pgdat, #ifndef CONFIG_HAVE_ARCH_BOOTMEM_NODE #define alloc_bootmem(x) \ __alloc_bootmem(x, SMP_CACHE_BYTES, __pa(MAX_DMA_ADDRESS)) +#define alloc_bootmem_nopanic(x) \ + __alloc_bootmem_nopanic(x, SMP_CACHE_BYTES, __pa(MAX_DMA_ADDRESS)) #define alloc_bootmem_low(x) \ __alloc_bootmem_low(x, SMP_CACHE_BYTES, 0) #define alloc_bootmem_pages(x) \ __alloc_bootmem(x, PAGE_SIZE, __pa(MAX_DMA_ADDRESS)) +#define alloc_bootmem_pages_nopanic(x) \ + __alloc_bootmem_nopanic(x, PAGE_SIZE, __pa(MAX_DMA_ADDRESS)) #define alloc_bootmem_low_pages(x) \ __alloc_bootmem_low(x, PAGE_SIZE, 0) #define alloc_bootmem_node(pgdat, x) \ diff --git a/include/linux/byteorder.h b/include/linux/byteorder.h new file mode 100644 index 00000000000..29f002d73d9 --- /dev/null +++ b/include/linux/byteorder.h @@ -0,0 +1,372 @@ +#ifndef _LINUX_BYTEORDER_H +#define _LINUX_BYTEORDER_H + +#include <linux/types.h> +#include <linux/swab.h> + +#if defined(__LITTLE_ENDIAN) && defined(__BIG_ENDIAN) +# error Fix asm/byteorder.h to define one endianness +#endif + +#if !defined(__LITTLE_ENDIAN) && !defined(__BIG_ENDIAN) +# error Fix asm/byteorder.h to define arch endianness +#endif + +#ifdef __LITTLE_ENDIAN +# undef __LITTLE_ENDIAN +# define __LITTLE_ENDIAN 1234 +#endif + +#ifdef __BIG_ENDIAN +# undef __BIG_ENDIAN +# define __BIG_ENDIAN 4321 +#endif + +#if defined(__LITTLE_ENDIAN) && !defined(__LITTLE_ENDIAN_BITFIELD) +# define __LITTLE_ENDIAN_BITFIELD +#endif + +#if defined(__BIG_ENDIAN) && !defined(__BIG_ENDIAN_BITFIELD) +# define __BIG_ENDIAN_BITFIELD +#endif + +#ifdef __LITTLE_ENDIAN +# define __le16_to_cpu(x) ((__force __u16)(__le16)(x)) +# define __le32_to_cpu(x) ((__force __u32)(__le32)(x)) +# define __le64_to_cpu(x) ((__force __u64)(__le64)(x)) +# define __cpu_to_le16(x) ((__force __le16)(__u16)(x)) +# define __cpu_to_le32(x) ((__force __le32)(__u32)(x)) +# define __cpu_to_le64(x) ((__force __le64)(__u64)(x)) + +# define __be16_to_cpu(x) __swab16((__force __u16)(__be16)(x)) +# define __be32_to_cpu(x) __swab32((__force __u32)(__be32)(x)) +# define __be64_to_cpu(x) __swab64((__force __u64)(__be64)(x)) +# define __cpu_to_be16(x) ((__force __be16)__swab16(x)) +# define __cpu_to_be32(x) ((__force __be32)__swab32(x)) +# define __cpu_to_be64(x) ((__force __be64)__swab64(x)) +#endif + +#ifdef __BIG_ENDIAN +# define __be16_to_cpu(x) ((__force __u16)(__be16)(x)) +# define __be32_to_cpu(x) ((__force __u32)(__be32)(x)) +# define __be64_to_cpu(x) ((__force __u64)(__be64)(x)) +# define __cpu_to_be16(x) ((__force __be16)(__u16)(x)) +# define __cpu_to_be32(x) ((__force __be32)(__u32)(x)) +# define __cpu_to_be64(x) ((__force __be64)(__u64)(x)) + +# define __le16_to_cpu(x) __swab16((__force __u16)(__le16)(x)) +# define __le32_to_cpu(x) __swab32((__force __u32)(__le32)(x)) +# define __le64_to_cpu(x) __swab64((__force __u64)(__le64)(x)) +# define __cpu_to_le16(x) ((__force __le16)__swab16(x)) +# define __cpu_to_le32(x) ((__force __le32)__swab32(x)) +# define __cpu_to_le64(x) ((__force __le64)__swab64(x)) +#endif + +/* + * These helpers could be phased out over time as the base version + * handles constant folding. + */ +#define __constant_htonl(x) __cpu_to_be32(x) +#define __constant_ntohl(x) __be32_to_cpu(x) +#define __constant_htons(x) __cpu_to_be16(x) +#define __constant_ntohs(x) __be16_to_cpu(x) + +#define __constant_le16_to_cpu(x) __le16_to_cpu(x) +#define __constant_le32_to_cpu(x) __le32_to_cpu(x) +#define __constant_le64_to_cpu(x) __le64_to_cpu(x) +#define __constant_be16_to_cpu(x) __be16_to_cpu(x) +#define __constant_be32_to_cpu(x) __be32_to_cpu(x) +#define __constant_be64_to_cpu(x) __be64_to_cpu(x) + +#define __constant_cpu_to_le16(x) __cpu_to_le16(x) +#define __constant_cpu_to_le32(x) __cpu_to_le32(x) +#define __constant_cpu_to_le64(x) __cpu_to_le64(x) +#define __constant_cpu_to_be16(x) __cpu_to_be16(x) +#define __constant_cpu_to_be32(x) __cpu_to_be32(x) +#define __constant_cpu_to_be64(x) __cpu_to_be64(x) + +static inline void __le16_to_cpus(__u16 *p) +{ +#ifdef __BIG_ENDIAN + __swab16s(p); +#endif +} + +static inline void __cpu_to_le16s(__u16 *p) +{ +#ifdef __BIG_ENDIAN + __swab16s(p); +#endif +} + +static inline void __le32_to_cpus(__u32 *p) +{ +#ifdef __BIG_ENDIAN + __swab32s(p); +#endif +} + +static inline void __cpu_to_le32s(__u32 *p) +{ +#ifdef __BIG_ENDIAN + __swab32s(p); +#endif +} + +static inline void __le64_to_cpus(__u64 *p) +{ +#ifdef __BIG_ENDIAN + __swab64s(p); +#endif +} + +static inline void __cpu_to_le64s(__u64 *p) +{ +#ifdef __BIG_ENDIAN + __swab64s(p); +#endif +} + +static inline void __be16_to_cpus(__u16 *p) +{ +#ifdef __LITTLE_ENDIAN + __swab16s(p); +#endif +} + +static inline void __cpu_to_be16s(__u16 *p) +{ +#ifdef __LITTLE_ENDIAN + __swab16s(p); +#endif +} + +static inline void __be32_to_cpus(__u32 *p) +{ +#ifdef __LITTLE_ENDIAN + __swab32s(p); +#endif +} + +static inline void __cpu_to_be32s(__u32 *p) +{ +#ifdef __LITTLE_ENDIAN + __swab32s(p); +#endif +} + +static inline void __be64_to_cpus(__u64 *p) +{ +#ifdef __LITTLE_ENDIAN + __swab64s(p); +#endif +} + +static inline void __cpu_to_be64s(__u64 *p) +{ +#ifdef __LITTLE_ENDIAN + __swab64s(p); +#endif +} + +static inline __u16 __le16_to_cpup(const __le16 *p) +{ +#ifdef __LITTLE_ENDIAN + return (__force __u16)*p; +#else + return __swab16p((__force __u16 *)p); +#endif +} + +static inline __u32 __le32_to_cpup(const __le32 *p) +{ +#ifdef __LITTLE_ENDIAN + return (__force __u32)*p; +#else + return __swab32p((__force __u32 *)p); +#endif +} + +static inline __u64 __le64_to_cpup(const __le64 *p) +{ +#ifdef __LITTLE_ENDIAN + return (__force __u64)*p; +#else + return __swab64p((__force __u64 *)p); +#endif +} + +static inline __le16 __cpu_to_le16p(const __u16 *p) +{ +#ifdef __LITTLE_ENDIAN + return (__force __le16)*p; +#else + return (__force __le16)__swab16p(p); +#endif +} + +static inline __le32 __cpu_to_le32p(const __u32 *p) +{ +#ifdef __LITTLE_ENDIAN + return (__force __le32)*p; +#else + return (__force __le32)__swab32p(p); +#endif +} + +static inline __le64 __cpu_to_le64p(const __u64 *p) +{ +#ifdef __LITTLE_ENDIAN + return (__force __le64)*p; +#else + return (__force __le64)__swab64p(p); +#endif +} + +static inline __u16 __be16_to_cpup(const __be16 *p) +{ +#ifdef __BIG_ENDIAN + return (__force __u16)*p; +#else + return __swab16p((__force __u16 *)p); +#endif +} + +static inline __u32 __be32_to_cpup(const __be32 *p) +{ +#ifdef __BIG_ENDIAN + return (__force __u32)*p; +#else + return __swab32p((__force __u32 *)p); +#endif +} + +static inline __u64 __be64_to_cpup(const __be64 *p) +{ +#ifdef __BIG_ENDIAN + return (__force __u64)*p; +#else + return __swab64p((__force __u64 *)p); +#endif +} + +static inline __be16 __cpu_to_be16p(const __u16 *p) +{ +#ifdef __BIG_ENDIAN + return (__force __be16)*p; +#else + return (__force __be16)__swab16p(p); +#endif +} + +static inline __be32 __cpu_to_be32p(const __u32 *p) +{ +#ifdef __BIG_ENDIAN + return (__force __be32)*p; +#else + return (__force __be32)__swab32p(p); +#endif +} + +static inline __be64 __cpu_to_be64p(const __u64 *p) +{ +#ifdef __BIG_ENDIAN + return (__force __be64)*p; +#else + return (__force __be64)__swab64p(p); +#endif +} + +#ifdef __KERNEL__ + +# define le16_to_cpu __le16_to_cpu +# define le32_to_cpu __le32_to_cpu +# define le64_to_cpu __le64_to_cpu +# define be16_to_cpu __be16_to_cpu +# define be32_to_cpu __be32_to_cpu +# define be64_to_cpu __be64_to_cpu +# define cpu_to_le16 __cpu_to_le16 +# define cpu_to_le32 __cpu_to_le32 +# define cpu_to_le64 __cpu_to_le64 +# define cpu_to_be16 __cpu_to_be16 +# define cpu_to_be32 __cpu_to_be32 +# define cpu_to_be64 __cpu_to_be64 + +# define le16_to_cpup __le16_to_cpup +# define le32_to_cpup __le32_to_cpup +# define le64_to_cpup __le64_to_cpup +# define be16_to_cpup __be16_to_cpup +# define be32_to_cpup __be32_to_cpup +# define be64_to_cpup __be64_to_cpup +# define cpu_to_le16p __cpu_to_le16p +# define cpu_to_le32p __cpu_to_le32p +# define cpu_to_le64p __cpu_to_le64p +# define cpu_to_be16p __cpu_to_be16p +# define cpu_to_be32p __cpu_to_be32p +# define cpu_to_be64p __cpu_to_be64p + +# define le16_to_cpus __le16_to_cpus +# define le32_to_cpus __le32_to_cpus +# define le64_to_cpus __le64_to_cpus +# define be16_to_cpus __be16_to_cpus +# define be32_to_cpus __be32_to_cpus +# define be64_to_cpus __be64_to_cpus +# define cpu_to_le16s __cpu_to_le16s +# define cpu_to_le32s __cpu_to_le32s +# define cpu_to_le64s __cpu_to_le64s +# define cpu_to_be16s __cpu_to_be16s +# define cpu_to_be32s __cpu_to_be32s +# define cpu_to_be64s __cpu_to_be64s + +/* + * They have to be macros in order to do the constant folding + * correctly - if the argument passed into a inline function + * it is no longer constant according to gcc.. + */ +# undef ntohl +# undef ntohs +# undef htonl +# undef htons + +# define ___htonl(x) __cpu_to_be32(x) +# define ___htons(x) __cpu_to_be16(x) +# define ___ntohl(x) __be32_to_cpu(x) +# define ___ntohs(x) __be16_to_cpu(x) + +# define htonl(x) ___htonl(x) +# define ntohl(x) ___ntohl(x) +# define htons(x) ___htons(x) +# define ntohs(x) ___ntohs(x) + +static inline void le16_add_cpu(__le16 *var, u16 val) +{ + *var = cpu_to_le16(le16_to_cpup(var) + val); +} + +static inline void le32_add_cpu(__le32 *var, u32 val) +{ + *var = cpu_to_le32(le32_to_cpup(var) + val); +} + +static inline void le64_add_cpu(__le64 *var, u64 val) +{ + *var = cpu_to_le64(le64_to_cpup(var) + val); +} + +static inline void be16_add_cpu(__be16 *var, u16 val) +{ + *var = cpu_to_be16(be16_to_cpup(var) + val); +} + +static inline void be32_add_cpu(__be32 *var, u32 val) +{ + *var = cpu_to_be32(be32_to_cpup(var) + val); +} + +static inline void be64_add_cpu(__be64 *var, u64 val) +{ + *var = cpu_to_be64(be64_to_cpup(var) + val); +} + +#endif /* __KERNEL__ */ +#endif /* _LINUX_BYTEORDER_H */ diff --git a/include/linux/firmware-map.h b/include/linux/firmware-map.h index acbdbcc1605..6e199c8dfac 100644 --- a/include/linux/firmware-map.h +++ b/include/linux/firmware-map.h @@ -24,34 +24,8 @@ */ #ifdef CONFIG_FIRMWARE_MEMMAP -/** - * Adds a firmware mapping entry. This function uses kmalloc() for memory - * allocation. Use firmware_map_add_early() if you want to use the bootmem - * allocator. - * - * That function must be called before late_initcall. - * - * @start: Start of the memory range. - * @end: End of the memory range (inclusive). - * @type: Type of the memory range. - * - * Returns 0 on success, or -ENOMEM if no memory could be allocated. - */ int firmware_map_add(resource_size_t start, resource_size_t end, const char *type); - -/** - * Adds a firmware mapping entry. This function uses the bootmem allocator - * for memory allocation. Use firmware_map_add() if you want to use kmalloc(). - * - * That function must be called before late_initcall. - * - * @start: Start of the memory range. - * @end: End of the memory range (inclusive). - * @type: Type of the memory range. - * - * Returns 0 on success, or -ENOMEM if no memory could be allocated. - */ int firmware_map_add_early(resource_size_t start, resource_size_t end, const char *type); diff --git a/include/linux/i2c-id.h b/include/linux/i2c-id.h index 4862398e05b..bf34c5f4c05 100644 --- a/include/linux/i2c-id.h +++ b/include/linux/i2c-id.h @@ -39,7 +39,6 @@ #define I2C_DRIVERID_SAA7111A 8 /* video input processor */ #define I2C_DRIVERID_SAA7185B 13 /* video encoder */ #define I2C_DRIVERID_SAA7110 22 /* video decoder */ -#define I2C_DRIVERID_MGATVO 23 /* Matrox TVOut */ #define I2C_DRIVERID_SAA5249 24 /* SAA5249 and compatibles */ #define I2C_DRIVERID_PCF8583 25 /* real time clock */ #define I2C_DRIVERID_SAB3036 26 /* SAB3036 tuner */ @@ -95,7 +94,6 @@ #define I2C_HW_B_BT848 0x010005 /* BT848 video boards */ #define I2C_HW_B_VIA 0x010007 /* Via vt82c586b */ #define I2C_HW_B_HYDRA 0x010008 /* Apple Hydra Mac I/O */ -#define I2C_HW_B_G400 0x010009 /* Matrox G400 */ #define I2C_HW_B_I810 0x01000a /* Intel I810 */ #define I2C_HW_B_VOO 0x01000b /* 3dfx Voodoo 3 / Banshee */ #define I2C_HW_B_SCX200 0x01000e /* Nat'l Semi SCx200 I2C */ diff --git a/include/linux/kernel.h b/include/linux/kernel.h index aaa998f65c7..2651f805ba6 100644 --- a/include/linux/kernel.h +++ b/include/linux/kernel.h @@ -108,6 +108,13 @@ struct completion; struct pt_regs; struct user; +#ifdef CONFIG_PREEMPT_VOLUNTARY +extern int _cond_resched(void); +# define might_resched() _cond_resched() +#else +# define might_resched() do { } while (0) +#endif + /** * might_sleep - annotation for functions that can sleep * @@ -118,13 +125,6 @@ struct user; * be bitten later when the calling function happens to sleep when it is not * supposed to. */ -#ifdef CONFIG_PREEMPT_VOLUNTARY -extern int _cond_resched(void); -# define might_resched() _cond_resched() -#else -# define might_resched() do { } while (0) -#endif - #ifdef CONFIG_DEBUG_SPINLOCK_SLEEP void __might_sleep(char *file, int line); # define might_sleep() \ diff --git a/include/linux/seq_file.h b/include/linux/seq_file.h index a66304a0995..a1783b229ef 100644 --- a/include/linux/seq_file.h +++ b/include/linux/seq_file.h @@ -4,6 +4,8 @@ #include <linux/types.h> #include <linux/string.h> #include <linux/mutex.h> +#include <linux/cpumask.h> +#include <linux/nodemask.h> struct seq_operations; struct file; @@ -47,6 +49,16 @@ int seq_path(struct seq_file *, struct path *, char *); int seq_dentry(struct seq_file *, struct dentry *, char *); int seq_path_root(struct seq_file *m, struct path *path, struct path *root, char *esc); +int seq_bitmap(struct seq_file *m, unsigned long *bits, unsigned int nr_bits); +static inline int seq_cpumask(struct seq_file *m, cpumask_t *mask) +{ + return seq_bitmap(m, mask->bits, NR_CPUS); +} + +static inline int seq_nodemask(struct seq_file *m, nodemask_t *mask) +{ + return seq_bitmap(m, mask->bits, MAX_NUMNODES); +} int single_open(struct file *, int (*)(struct seq_file *, void *), void *); int single_release(struct inode *, struct file *); diff --git a/include/linux/swab.h b/include/linux/swab.h new file mode 100644 index 00000000000..270d5c208a8 --- /dev/null +++ b/include/linux/swab.h @@ -0,0 +1,309 @@ +#ifndef _LINUX_SWAB_H +#define _LINUX_SWAB_H + +#include <linux/types.h> +#include <linux/compiler.h> +#include <asm/byteorder.h> + +/* + * casts are necessary for constants, because we never know how for sure + * how U/UL/ULL map to __u16, __u32, __u64. At least not in a portable way. + */ +#define __const_swab16(x) ((__u16)( \ + (((__u16)(x) & (__u16)0x00ffU) << 8) | \ + (((__u16)(x) & (__u16)0xff00U) >> 8))) + +#define __const_swab32(x) ((__u32)( \ + (((__u32)(x) & (__u32)0x000000ffUL) << 24) | \ + (((__u32)(x) & (__u32)0x0000ff00UL) << 8) | \ + (((__u32)(x) & (__u32)0x00ff0000UL) >> 8) | \ + (((__u32)(x) & (__u32)0xff000000UL) >> 24))) + +#define __const_swab64(x) ((__u64)( \ + (((__u64)(x) & (__u64)0x00000000000000ffULL) << 56) | \ + (((__u64)(x) & (__u64)0x000000000000ff00ULL) << 40) | \ + (((__u64)(x) & (__u64)0x0000000000ff0000ULL) << 24) | \ + (((__u64)(x) & (__u64)0x00000000ff000000ULL) << 8) | \ + (((__u64)(x) & (__u64)0x000000ff00000000ULL) >> 8) | \ + (((__u64)(x) & (__u64)0x0000ff0000000000ULL) >> 24) | \ + (((__u64)(x) & (__u64)0x00ff000000000000ULL) >> 40) | \ + (((__u64)(x) & (__u64)0xff00000000000000ULL) >> 56))) + +#define __const_swahw32(x) ((__u32)( \ + (((__u32)(x) & (__u32)0x0000ffffUL) << 16) | \ + (((__u32)(x) & (__u32)0xffff0000UL) >> 16))) + +#define __const_swahb32(x) ((__u32)( \ + (((__u32)(x) & (__u32)0x00ff00ffUL) << 8) | \ + (((__u32)(x) & (__u32)0xff00ff00UL) >> 8))) + +/* + * Implement the following as inlines, but define the interface using + * macros to allow constant folding when possible: + * ___swab16, ___swab32, ___swab64, ___swahw32, ___swahb32 + */ + +static inline __attribute_const__ __u16 ___swab16(__u16 val) +{ +#ifdef __arch_swab16 + return __arch_swab16(val); +#elif defined(__arch_swab16p) + return __arch_swab16p(&val); +#else + return __const_swab16(val); +#endif +} + +static inline __attribute_const__ __u32 ___swab32(__u32 val) +{ +#ifdef __arch_swab32 + return __arch_swab32(val); +#elif defined(__arch_swab32p) + return __arch_swab32p(&val); +#else + return __const_swab32(val); +#endif +} + +static inline __attribute_const__ __u64 ___swab64(__u64 val) +{ +#ifdef __arch_swab64 + return __arch_swab64(val); +#elif defined(__arch_swab64p) + return __arch_swab64p(&val); +#elif defined(__SWAB_64_THRU_32__) + __u32 h = val >> 32; + __u32 l = val & ((1ULL << 32) - 1); + return (((__u64)___swab32(l)) << 32) | ((__u64)(___swab32(h))); +#else + return __const_swab64(val); +#endif +} + +static inline __attribute_const__ __u32 ___swahw32(__u32 val) +{ +#ifdef __arch_swahw32 + return __arch_swahw32(val); +#elif defined(__arch_swahw32p) + return __arch_swahw32p(&val); +#else + return __const_swahw32(val); +#endif +} + +static inline __attribute_const__ __u32 ___swahb32(__u32 val) +{ +#ifdef __arch_swahb32 + return __arch_swahb32(val); +#elif defined(__arch_swahb32p) + return __arch_swahb32p(&val); +#else + return __const_swahb32(val); +#endif +} + +/** + * __swab16 - return a byteswapped 16-bit value + * @x: value to byteswap + */ +#define __swab16(x) \ + (__builtin_constant_p((__u16)(x)) ? \ + __const_swab16((x)) : \ + ___swab16((x))) + +/** + * __swab32 - return a byteswapped 32-bit value + * @x: value to byteswap + */ +#define __swab32(x) \ + (__builtin_constant_p((__u32)(x)) ? \ + __const_swab32((x)) : \ + ___swab32((x))) + +/** + * __swab64 - return a byteswapped 64-bit value + * @x: value to byteswap + */ +#define __swab64(x) \ + (__builtin_constant_p((__u64)(x)) ? \ + __const_swab64((x)) : \ + ___swab64((x))) + +/** + * __swahw32 - return a word-swapped 32-bit value + * @x: value to wordswap + * + * __swahw32(0x12340000) is 0x00001234 + */ +#define __swahw32(x) \ + (__builtin_constant_p((__u32)(x)) ? \ + __const_swahw32((x)) : \ + ___swahw32((x))) + +/** + * __swahb32 - return a high and low byte-swapped 32-bit value + * @x: value to byteswap + * + * __swahb32(0x12345678) is 0x34127856 + */ +#define __swahb32(x) \ + (__builtin_constant_p((__u32)(x)) ? \ + __const_swahb32((x)) : \ + ___swahb32((x))) + +/** + * __swab16p - return a byteswapped 16-bit value from a pointer + * @p: pointer to a naturally-aligned 16-bit value + */ +static inline __u16 __swab16p(const __u16 *p) +{ +#ifdef __arch_swab16p + return __arch_swab16p(p); +#else + return __swab16(*p); +#endif +} + +/** + * __swab32p - return a byteswapped 32-bit value from a pointer + * @p: pointer to a naturally-aligned 32-bit value + */ +static inline __u32 __swab32p(const __u32 *p) +{ +#ifdef __arch_swab32p + return __arch_swab32p(p); +#else + return __swab32(*p); +#endif +} + +/** + * __swab64p - return a byteswapped 64-bit value from a pointer + * @p: pointer to a naturally-aligned 64-bit value + */ +static inline __u64 __swab64p(const __u64 *p) +{ +#ifdef __arch_swab64p + return __arch_swab64p(p); +#else + return __swab64(*p); +#endif +} + +/** + * __swahw32p - return a wordswapped 32-bit value from a pointer + * @p: pointer to a naturally-aligned 32-bit value + * + * See __swahw32() for details of wordswapping. + */ +static inline __u32 __swahw32p(const __u32 *p) +{ +#ifdef __arch_swahw32p + return __arch_swahw32p(p); +#else + return __swahw32(*p); +#endif +} + +/** + * __swahb32p - return a high and low byteswapped 32-bit value from a pointer + * @p: pointer to a naturally-aligned 32-bit value + * + * See __swahb32() for details of high/low byteswapping. + */ +static inline __u32 __swahb32p(const __u32 *p) +{ +#ifdef __arch_swahb32p + return __arch_swahb32p(p); +#else + return __swahb32(*p); +#endif +} + +/** + * __swab16s - byteswap a 16-bit value in-place + * @p: pointer to a naturally-aligned 16-bit value + */ +static inline void __swab16s(__u16 *p) +{ +#ifdef __arch_swab16s + __arch_swab16s(p); +#else + *p = __swab16p(p); +#endif +} +/** + * __swab32s - byteswap a 32-bit value in-place + * @p: pointer to a naturally-aligned 32-bit value + */ +static inline void __swab32s(__u32 *p) +{ +#ifdef __arch_swab32s + __arch_swab32s(p); +#else + *p = __swab32p(p); +#endif +} + +/** + * __swab64s - byteswap a 64-bit value in-place + * @p: pointer to a naturally-aligned 64-bit value + */ +static inline void __swab64s(__u64 *p) +{ +#ifdef __arch_swab64s + __arch_swab64s(p); +#else + *p = __swab64p(p); +#endif +} + +/** + * __swahw32s - wordswap a 32-bit value in-place + * @p: pointer to a naturally-aligned 32-bit value + * + * See __swahw32() for details of wordswapping + */ +static inline void __swahw32s(__u32 *p) +{ +#ifdef __arch_swahw32s + __arch_swahw32s(p); +#else + *p = __swahw32p(p); +#endif +} + +/** + * __swahb32s - high and low byteswap a 32-bit value in-place + * @p: pointer to a naturally-aligned 32-bit value + * + * See __swahb32() for details of high and low byte swapping + */ +static inline void __swahb32s(__u32 *p) +{ +#ifdef __arch_swahb32s + __arch_swahb32s(p); +#else + *p = __swahb32p(p); +#endif +} + +#ifdef __KERNEL__ +# define swab16 __swab16 +# define swab32 __swab32 +# define swab64 __swab64 +# define swahw32 __swahw32 +# define swahb32 __swahb32 +# define swab16p __swab16p +# define swab32p __swab32p +# define swab64p __swab64p +# define swahw32p __swahw32p +# define swahb32p __swahb32p +# define swab16s __swab16s +# define swab32s __swab32s +# define swab64s __swab64s +# define swahw32s __swahw32s +# define swahb32s __swahb32s +#endif /* __KERNEL__ */ + +#endif /* _LINUX_SWAB_H */ diff --git a/include/video/atmel_lcdc.h b/include/video/atmel_lcdc.h index 613173b5db6..920c4e9cb93 100644 --- a/include/video/atmel_lcdc.h +++ b/include/video/atmel_lcdc.h @@ -41,6 +41,7 @@ struct atmel_lcdfb_info { struct work_struct task; unsigned int guard_time; + unsigned int smem_len; struct platform_device *pdev; struct clk *bus_clk; struct clk *lcdc_clk; diff --git a/include/video/radeon.h b/include/video/radeon.h index 95a1f2038b1..099ffa5e5be 100644 --- a/include/video/radeon.h +++ b/include/video/radeon.h @@ -742,6 +742,10 @@ #define SOFT_RESET_RB (1 << 6) #define SOFT_RESET_HDP (1 << 7) +/* WAIT_UNTIL bit constants */ +#define WAIT_DMA_GUI_IDLE (1 << 9) +#define WAIT_2D_IDLECLEAN (1 << 16) + /* SURFACE_CNTL bit consants */ #define SURF_TRANSLATION_DIS (1 << 8) #define NONSURF_AP0_SWP_16BPP (1 << 20) diff --git a/kernel/cpu.c b/kernel/cpu.c index c977c339f55..f17e9854c24 100644 --- a/kernel/cpu.c +++ b/kernel/cpu.c @@ -369,7 +369,7 @@ int __cpuinit cpu_up(unsigned int cpu) if (!cpu_isset(cpu, cpu_possible_map)) { printk(KERN_ERR "can't online cpu %d because it is not " "configured as may-hotadd at boot time\n", cpu); -#if defined(CONFIG_IA64) || defined(CONFIG_X86_64) || defined(CONFIG_S390) +#if defined(CONFIG_IA64) || defined(CONFIG_X86_64) printk(KERN_ERR "please check additional_cpus= boot " "parameter\n"); #endif diff --git a/kernel/irq/proc.c b/kernel/irq/proc.c index 6c6d35d68ee..a09dd29c2fd 100644 --- a/kernel/irq/proc.c +++ b/kernel/irq/proc.c @@ -8,6 +8,7 @@ #include <linux/irq.h> #include <linux/proc_fs.h> +#include <linux/seq_file.h> #include <linux/interrupt.h> #include "internals.h" @@ -16,23 +17,18 @@ static struct proc_dir_entry *root_irq_dir; #ifdef CONFIG_SMP -static int irq_affinity_read_proc(char *page, char **start, off_t off, - int count, int *eof, void *data) +static int irq_affinity_proc_show(struct seq_file *m, void *v) { - struct irq_desc *desc = irq_desc + (long)data; + struct irq_desc *desc = irq_desc + (long)m->private; cpumask_t *mask = &desc->affinity; - int len; #ifdef CONFIG_GENERIC_PENDING_IRQ if (desc->status & IRQ_MOVE_PENDING) mask = &desc->pending_mask; #endif - len = cpumask_scnprintf(page, count, *mask); - - if (count - len < 2) - return -EINVAL; - len += sprintf(page + len, "\n"); - return len; + seq_cpumask(m, mask); + seq_putc(m, '\n'); + return 0; } #ifndef is_affinity_mask_valid @@ -40,11 +36,12 @@ static int irq_affinity_read_proc(char *page, char **start, off_t off, #endif int no_irq_affinity; -static int irq_affinity_write_proc(struct file *file, const char __user *buffer, - unsigned long count, void *data) +static ssize_t irq_affinity_proc_write(struct file *file, + const char __user *buffer, size_t count, loff_t *pos) { - unsigned int irq = (int)(long)data, full_count = count, err; + unsigned int irq = (int)(long)PDE(file->f_path.dentry->d_inode)->data; cpumask_t new_value; + int err; if (!irq_desc[irq].chip->set_affinity || no_irq_affinity || irq_balancing_disabled(irq)) @@ -65,28 +62,38 @@ static int irq_affinity_write_proc(struct file *file, const char __user *buffer, if (!cpus_intersects(new_value, cpu_online_map)) /* Special case for empty set - allow the architecture code to set default SMP affinity. */ - return irq_select_affinity(irq) ? -EINVAL : full_count; + return irq_select_affinity(irq) ? -EINVAL : count; irq_set_affinity(irq, new_value); - return full_count; + return count; } -static int default_affinity_read(char *page, char **start, off_t off, - int count, int *eof, void *data) +static int irq_affinity_proc_open(struct inode *inode, struct file *file) { - int len = cpumask_scnprintf(page, count, irq_default_affinity); - if (count - len < 2) - return -EINVAL; - len += sprintf(page + len, "\n"); - return len; + return single_open(file, irq_affinity_proc_show, PDE(inode)->data); } -static int default_affinity_write(struct file *file, const char __user *buffer, - unsigned long count, void *data) +static const struct file_operations irq_affinity_proc_fops = { + .open = irq_affinity_proc_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, + .write = irq_affinity_proc_write, +}; + +static int default_affinity_show(struct seq_file *m, void *v) +{ + seq_cpumask(m, &irq_default_affinity); + seq_putc(m, '\n'); + return 0; +} + +static ssize_t default_affinity_write(struct file *file, + const char __user *buffer, size_t count, loff_t *ppos) { - unsigned int full_count = count, err; cpumask_t new_value; + int err; err = cpumask_parse_user(buffer, count, new_value); if (err) @@ -105,8 +112,21 @@ static int default_affinity_write(struct file *file, const char __user *buffer, irq_default_affinity = new_value; - return full_count; + return count; } + +static int default_affinity_open(struct inode *inode, struct file *file) +{ + return single_open(file, default_affinity_show, NULL); +} + +static const struct file_operations default_affinity_proc_fops = { + .open = default_affinity_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, + .write = default_affinity_write, +}; #endif static int irq_spurious_read(char *page, char **start, off_t off, @@ -178,16 +198,9 @@ void register_irq_proc(unsigned int irq) irq_desc[irq].dir = proc_mkdir(name, root_irq_dir); #ifdef CONFIG_SMP - { - /* create /proc/irq/<irq>/smp_affinity */ - entry = create_proc_entry("smp_affinity", 0600, irq_desc[irq].dir); - - if (entry) { - entry->data = (void *)(long)irq; - entry->read_proc = irq_affinity_read_proc; - entry->write_proc = irq_affinity_write_proc; - } - } + /* create /proc/irq/<irq>/smp_affinity */ + proc_create_data("smp_affinity", 0600, irq_desc[irq].dir, + &irq_affinity_proc_fops, (void *)(long)irq); #endif entry = create_proc_entry("spurious", 0444, irq_desc[irq].dir); @@ -208,15 +221,8 @@ void unregister_handler_proc(unsigned int irq, struct irqaction *action) void register_default_affinity_proc(void) { #ifdef CONFIG_SMP - struct proc_dir_entry *entry; - - /* create /proc/irq/default_smp_affinity */ - entry = create_proc_entry("default_smp_affinity", 0600, root_irq_dir); - if (entry) { - entry->data = NULL; - entry->read_proc = default_affinity_read; - entry->write_proc = default_affinity_write; - } + proc_create("irq/default_smp_affinity", 0600, NULL, + &default_affinity_proc_fops); #endif } diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index e1d4764435e..800ac848554 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -735,6 +735,15 @@ config FIREWIRE_OHCI_REMOTE_DMA If unsure, say N. +menuconfig BUILD_DOCSRC + bool "Build targets in Documentation/ tree" + depends on HEADERS_CHECK + help + This option attempts to build objects from the source files in the + kernel Documentation/ tree. + + Say N if you are unsure. + source "samples/Kconfig" source "lib/Kconfig.kgdb" diff --git a/lib/bitmap.c b/lib/bitmap.c index 482df94ea21..06fb57c86de 100644 --- a/lib/bitmap.c +++ b/lib/bitmap.c @@ -316,6 +316,17 @@ int bitmap_scnprintf(char *buf, unsigned int buflen, EXPORT_SYMBOL(bitmap_scnprintf); /** + * bitmap_scnprintf_len - return buffer length needed to convert + * bitmap to an ASCII hex string + * @nr_bits: number of bits to be converted + */ +int bitmap_scnprintf_len(unsigned int nr_bits) +{ + unsigned int nr_nibbles = ALIGN(nr_bits, 4) / 4; + return nr_nibbles + ALIGN(nr_nibbles, CHUNKSZ / 4) / (CHUNKSZ / 4) - 1; +} + +/** * __bitmap_parse - convert an ASCII hex string into a bitmap. * @buf: pointer to buffer containing string. * @buflen: buffer size in bytes. If string is smaller than this diff --git a/lib/vsprintf.c b/lib/vsprintf.c index 1dc2d1d18fa..d8d1d114224 100644 --- a/lib/vsprintf.c +++ b/lib/vsprintf.c @@ -220,7 +220,7 @@ int strict_strtou##type(const char *cp, unsigned int base, valtype *res)\ if (len == 0) \ return -EINVAL; \ \ - val = simple_strtoul(cp, &tail, base); \ + val = simple_strtou##type(cp, &tail, base); \ if ((*tail == '\0') || \ ((len == (size_t)(tail - cp) + 1) && (*tail == '\n'))) {\ *res = val; \ diff --git a/mm/hugetlb.c b/mm/hugetlb.c index 757ca983fd9..67a71191136 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -565,7 +565,7 @@ static struct page *alloc_fresh_huge_page_node(struct hstate *h, int nid) huge_page_order(h)); if (page) { if (arch_prepare_hugepage(page)) { - __free_pages(page, HUGETLB_PAGE_ORDER); + __free_pages(page, huge_page_order(h)); return NULL; } prep_new_huge_page(h, page, nid); @@ -665,6 +665,11 @@ static struct page *alloc_buddy_huge_page(struct hstate *h, __GFP_REPEAT|__GFP_NOWARN, huge_page_order(h)); + if (page && arch_prepare_hugepage(page)) { + __free_pages(page, huge_page_order(h)); + return NULL; + } + spin_lock(&hugetlb_lock); if (page) { /* @@ -1937,6 +1942,18 @@ retry: lock_page(page); } + /* + * If we are going to COW a private mapping later, we examine the + * pending reservations for this page now. This will ensure that + * any allocations necessary to record that reservation occur outside + * the spinlock. + */ + if (write_access && !(vma->vm_flags & VM_SHARED)) + if (vma_needs_reservation(h, vma, address) < 0) { + ret = VM_FAULT_OOM; + goto backout_unlocked; + } + spin_lock(&mm->page_table_lock); size = i_size_read(mapping->host) >> huge_page_shift(h); if (idx >= size) @@ -1962,6 +1979,7 @@ out: backout: spin_unlock(&mm->page_table_lock); +backout_unlocked: unlock_page(page); put_page(page); goto out; @@ -1973,6 +1991,7 @@ int hugetlb_fault(struct mm_struct *mm, struct vm_area_struct *vma, pte_t *ptep; pte_t entry; int ret; + struct page *pagecache_page = NULL; static DEFINE_MUTEX(hugetlb_instantiation_mutex); struct hstate *h = hstate_vma(vma); @@ -1989,25 +2008,44 @@ int hugetlb_fault(struct mm_struct *mm, struct vm_area_struct *vma, entry = huge_ptep_get(ptep); if (huge_pte_none(entry)) { ret = hugetlb_no_page(mm, vma, address, ptep, write_access); - mutex_unlock(&hugetlb_instantiation_mutex); - return ret; + goto out_unlock; } ret = 0; + /* + * If we are going to COW the mapping later, we examine the pending + * reservations for this page now. This will ensure that any + * allocations necessary to record that reservation occur outside the + * spinlock. For private mappings, we also lookup the pagecache + * page now as it is used to determine if a reservation has been + * consumed. + */ + if (write_access && !pte_write(entry)) { + if (vma_needs_reservation(h, vma, address) < 0) { + ret = VM_FAULT_OOM; + goto out_unlock; + } + + if (!(vma->vm_flags & VM_SHARED)) + pagecache_page = hugetlbfs_pagecache_page(h, + vma, address); + } + spin_lock(&mm->page_table_lock); /* Check for a racing update before calling hugetlb_cow */ if (likely(pte_same(entry, huge_ptep_get(ptep)))) - if (write_access && !pte_write(entry)) { - struct page *page; - page = hugetlbfs_pagecache_page(h, vma, address); - ret = hugetlb_cow(mm, vma, address, ptep, entry, page); - if (page) { - unlock_page(page); - put_page(page); - } - } + if (write_access && !pte_write(entry)) + ret = hugetlb_cow(mm, vma, address, ptep, entry, + pagecache_page); spin_unlock(&mm->page_table_lock); + + if (pagecache_page) { + unlock_page(pagecache_page); + put_page(pagecache_page); + } + +out_unlock: mutex_unlock(&hugetlb_instantiation_mutex); return ret; diff --git a/mm/memcontrol.c b/mm/memcontrol.c index 7056c3bdb47..0f1f7a7374b 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -796,6 +796,8 @@ int mem_cgroup_shrink_usage(struct mm_struct *mm, gfp_t gfp_mask) if (mem_cgroup_subsys.disabled) return 0; + if (!mm) + return 0; rcu_read_lock(); mem = mem_cgroup_from_task(rcu_dereference(mm->owner)); diff --git a/mm/mempolicy.c b/mm/mempolicy.c index e550bec2058..83369058ec1 100644 --- a/mm/mempolicy.c +++ b/mm/mempolicy.c @@ -803,7 +803,6 @@ static int migrate_to_node(struct mm_struct *mm, int source, int dest, int do_migrate_pages(struct mm_struct *mm, const nodemask_t *from_nodes, const nodemask_t *to_nodes, int flags) { - LIST_HEAD(pagelist); int busy = 0; int err = 0; nodemask_t tmp; diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 401d104d2bb..af982f7cdb2 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -4437,7 +4437,7 @@ void *__init alloc_large_system_hash(const char *tablename, do { size = bucketsize << log2qty; if (flags & HASH_EARLY) - table = alloc_bootmem(size); + table = alloc_bootmem_nopanic(size); else if (hashdist) table = __vmalloc(size, GFP_ATOMIC, PAGE_KERNEL); else { diff --git a/mm/sparse.c b/mm/sparse.c index 5d9dbbb9d39..39db301b920 100644 --- a/mm/sparse.c +++ b/mm/sparse.c @@ -12,7 +12,6 @@ #include <asm/dma.h> #include <asm/pgalloc.h> #include <asm/pgtable.h> -#include "internal.h" /* * Permanent SPARSEMEM data: |