diff options
Diffstat (limited to 'include/asm-generic')
| -rw-r--r-- | include/asm-generic/atomic.h | 2 | ||||
| -rw-r--r-- | include/asm-generic/audit_write.h | 2 | ||||
| -rw-r--r-- | include/asm-generic/bug.h | 4 | ||||
| -rw-r--r-- | include/asm-generic/gpio.h | 18 | ||||
| -rw-r--r-- | include/asm-generic/kdebug.h | 1 | ||||
| -rw-r--r-- | include/asm-generic/memory_model.h | 2 | ||||
| -rw-r--r-- | include/asm-generic/mutex-dec.h | 26 | ||||
| -rw-r--r-- | include/asm-generic/mutex-xchg.h | 9 | ||||
| -rw-r--r-- | include/asm-generic/rtc.h | 24 | ||||
| -rw-r--r-- | include/asm-generic/siginfo.h | 2 | ||||
| -rw-r--r-- | include/asm-generic/statfs.h | 65 | ||||
| -rw-r--r-- | include/asm-generic/vmlinux.lds.h | 25 |
12 files changed, 112 insertions, 68 deletions
diff --git a/include/asm-generic/atomic.h b/include/asm-generic/atomic.h index 4ec0a29..7abdaa9 100644 --- a/include/asm-generic/atomic.h +++ b/include/asm-generic/atomic.h @@ -251,7 +251,7 @@ static inline long atomic_long_add_unless(atomic_long_t *l, long a, long u) #define atomic_long_cmpxchg(l, old, new) \ (atomic_cmpxchg((atomic_t *)(l), (old), (new))) #define atomic_long_xchg(v, new) \ - (atomic_xchg((atomic_t *)(l), (new))) + (atomic_xchg((atomic_t *)(v), (new))) #endif /* BITS_PER_LONG == 64 */ diff --git a/include/asm-generic/audit_write.h b/include/asm-generic/audit_write.h index f10d367..c5f1c2c 100644 --- a/include/asm-generic/audit_write.h +++ b/include/asm-generic/audit_write.h @@ -1,6 +1,8 @@ #include <asm-generic/audit_dir_write.h> __NR_acct, +#ifdef __NR_swapon __NR_swapon, +#endif __NR_quotactl, __NR_truncate, #ifdef __NR_truncate64 diff --git a/include/asm-generic/bug.h b/include/asm-generic/bug.h index edc6ba8..12c07c1 100644 --- a/include/asm-generic/bug.h +++ b/include/asm-generic/bug.h @@ -22,7 +22,7 @@ struct bug_entry { #ifndef HAVE_ARCH_BUG #define BUG() do { \ - printk("BUG: failure at %s:%d/%s()!\n", __FILE__, __LINE__, __FUNCTION__); \ + printk("BUG: failure at %s:%d/%s()!\n", __FILE__, __LINE__, __func__); \ panic("BUG!"); \ } while (0) #endif @@ -41,7 +41,7 @@ extern void warn_slowpath(const char *file, const int line, #define __WARN() warn_on_slowpath(__FILE__, __LINE__) #define __WARN_printf(arg...) warn_slowpath(__FILE__, __LINE__, arg) #else -#define __WARN_printf(arg...) __WARN() +#define __WARN_printf(arg...) do { printk(arg); __WARN(); } while (0) #endif #ifndef WARN_ON diff --git a/include/asm-generic/gpio.h b/include/asm-generic/gpio.h index 0f99ad3..81797ec 100644 --- a/include/asm-generic/gpio.h +++ b/include/asm-generic/gpio.h @@ -35,11 +35,17 @@ struct module; * @label: for diagnostics * @dev: optional device providing the GPIOs * @owner: helps prevent removal of modules exporting active GPIOs + * @request: optional hook for chip-specific activation, such as + * enabling module power and clock; may sleep + * @free: optional hook for chip-specific deactivation, such as + * disabling module power and clock; may sleep * @direction_input: configures signal "offset" as input, or returns error * @get: returns value for signal "offset"; for output signals this * returns either the value actually sensed, or zero * @direction_output: configures signal "offset" as output, or returns error * @set: assigns output value for signal "offset" + * @to_irq: optional hook supporting non-static gpio_to_irq() mappings; + * implementation may not sleep * @dbg_show: optional routine to show contents in debugfs; default code * will be used when this is omitted, but custom code can show extra * state (such as pullup/pulldown configuration). @@ -61,10 +67,15 @@ struct module; * is calculated by subtracting @base from the gpio number. */ struct gpio_chip { - char *label; + const char *label; struct device *dev; struct module *owner; + int (*request)(struct gpio_chip *chip, + unsigned offset); + void (*free)(struct gpio_chip *chip, + unsigned offset); + int (*direction_input)(struct gpio_chip *chip, unsigned offset); int (*get)(struct gpio_chip *chip, @@ -73,6 +84,10 @@ struct gpio_chip { unsigned offset, int value); void (*set)(struct gpio_chip *chip, unsigned offset, int value); + + int (*to_irq)(struct gpio_chip *chip, + unsigned offset); + void (*dbg_show)(struct seq_file *s, struct gpio_chip *chip); int base; @@ -112,6 +127,7 @@ extern void __gpio_set_value(unsigned gpio, int value); extern int __gpio_cansleep(unsigned gpio); +extern int __gpio_to_irq(unsigned gpio); #ifdef CONFIG_GPIO_SYSFS diff --git a/include/asm-generic/kdebug.h b/include/asm-generic/kdebug.h index 2b799c9..11e57b6 100644 --- a/include/asm-generic/kdebug.h +++ b/include/asm-generic/kdebug.h @@ -3,6 +3,7 @@ enum die_val { DIE_UNUSED, + DIE_OOPS=1 }; #endif /* _ASM_GENERIC_KDEBUG_H */ diff --git a/include/asm-generic/memory_model.h b/include/asm-generic/memory_model.h index ae060c6..18546d8e 100644 --- a/include/asm-generic/memory_model.h +++ b/include/asm-generic/memory_model.h @@ -34,7 +34,7 @@ #define __pfn_to_page(pfn) \ ({ unsigned long __pfn = (pfn); \ - unsigned long __nid = arch_pfn_to_nid(pfn); \ + unsigned long __nid = arch_pfn_to_nid(__pfn); \ NODE_DATA(__nid)->node_mem_map + arch_local_page_offset(__pfn, __nid);\ }) diff --git a/include/asm-generic/mutex-dec.h b/include/asm-generic/mutex-dec.h index ed108be..f104af7 100644 --- a/include/asm-generic/mutex-dec.h +++ b/include/asm-generic/mutex-dec.h @@ -22,8 +22,6 @@ __mutex_fastpath_lock(atomic_t *count, void (*fail_fn)(atomic_t *)) { if (unlikely(atomic_dec_return(count) < 0)) fail_fn(count); - else - smp_mb(); } /** @@ -41,10 +39,7 @@ __mutex_fastpath_lock_retval(atomic_t *count, int (*fail_fn)(atomic_t *)) { if (unlikely(atomic_dec_return(count) < 0)) return fail_fn(count); - else { - smp_mb(); - return 0; - } + return 0; } /** @@ -63,7 +58,6 @@ __mutex_fastpath_lock_retval(atomic_t *count, int (*fail_fn)(atomic_t *)) static inline void __mutex_fastpath_unlock(atomic_t *count, void (*fail_fn)(atomic_t *)) { - smp_mb(); if (unlikely(atomic_inc_return(count) <= 0)) fail_fn(count); } @@ -88,25 +82,9 @@ __mutex_fastpath_unlock(atomic_t *count, void (*fail_fn)(atomic_t *)) static inline int __mutex_fastpath_trylock(atomic_t *count, int (*fail_fn)(atomic_t *)) { - /* - * We have two variants here. The cmpxchg based one is the best one - * because it never induce a false contention state. It is included - * here because architectures using the inc/dec algorithms over the - * xchg ones are much more likely to support cmpxchg natively. - * - * If not we fall back to the spinlock based variant - that is - * just as efficient (and simpler) as a 'destructive' probing of - * the mutex state would be. - */ -#ifdef __HAVE_ARCH_CMPXCHG - if (likely(atomic_cmpxchg(count, 1, 0) == 1)) { - smp_mb(); + if (likely(atomic_cmpxchg(count, 1, 0) == 1)) return 1; - } return 0; -#else - return fail_fn(count); -#endif } #endif diff --git a/include/asm-generic/mutex-xchg.h b/include/asm-generic/mutex-xchg.h index 7b9cd2c..580a6d3 100644 --- a/include/asm-generic/mutex-xchg.h +++ b/include/asm-generic/mutex-xchg.h @@ -27,8 +27,6 @@ __mutex_fastpath_lock(atomic_t *count, void (*fail_fn)(atomic_t *)) { if (unlikely(atomic_xchg(count, 0) != 1)) fail_fn(count); - else - smp_mb(); } /** @@ -46,10 +44,7 @@ __mutex_fastpath_lock_retval(atomic_t *count, int (*fail_fn)(atomic_t *)) { if (unlikely(atomic_xchg(count, 0) != 1)) return fail_fn(count); - else { - smp_mb(); - return 0; - } + return 0; } /** @@ -67,7 +62,6 @@ __mutex_fastpath_lock_retval(atomic_t *count, int (*fail_fn)(atomic_t *)) static inline void __mutex_fastpath_unlock(atomic_t *count, void (*fail_fn)(atomic_t *)) { - smp_mb(); if (unlikely(atomic_xchg(count, 1) != 0)) fail_fn(count); } @@ -110,7 +104,6 @@ __mutex_fastpath_trylock(atomic_t *count, int (*fail_fn)(atomic_t *)) if (prev < 0) prev = 0; } - smp_mb(); return prev; } diff --git a/include/asm-generic/rtc.h b/include/asm-generic/rtc.h index 71ef3f0..89061c1 100644 --- a/include/asm-generic/rtc.h +++ b/include/asm-generic/rtc.h @@ -84,12 +84,12 @@ static inline unsigned int get_rtc_time(struct rtc_time *time) if (!(ctrl & RTC_DM_BINARY) || RTC_ALWAYS_BCD) { - BCD_TO_BIN(time->tm_sec); - BCD_TO_BIN(time->tm_min); - BCD_TO_BIN(time->tm_hour); - BCD_TO_BIN(time->tm_mday); - BCD_TO_BIN(time->tm_mon); - BCD_TO_BIN(time->tm_year); + time->tm_sec = bcd2bin(time->tm_sec); + time->tm_min = bcd2bin(time->tm_min); + time->tm_hour = bcd2bin(time->tm_hour); + time->tm_mday = bcd2bin(time->tm_mday); + time->tm_mon = bcd2bin(time->tm_mon); + time->tm_year = bcd2bin(time->tm_year); } #ifdef CONFIG_MACH_DECSTATION @@ -159,12 +159,12 @@ static inline int set_rtc_time(struct rtc_time *time) if (!(CMOS_READ(RTC_CONTROL) & RTC_DM_BINARY) || RTC_ALWAYS_BCD) { - BIN_TO_BCD(sec); - BIN_TO_BCD(min); - BIN_TO_BCD(hrs); - BIN_TO_BCD(day); - BIN_TO_BCD(mon); - BIN_TO_BCD(yrs); + sec = bin2bcd(sec); + min = bin2bcd(min); + hrs = bin2bcd(hrs); + day = bin2bcd(day); + mon = bin2bcd(mon); + yrs = bin2bcd(yrs); } save_control = CMOS_READ(RTC_CONTROL); diff --git a/include/asm-generic/siginfo.h b/include/asm-generic/siginfo.h index 8786e01..9695701 100644 --- a/include/asm-generic/siginfo.h +++ b/include/asm-generic/siginfo.h @@ -199,6 +199,8 @@ typedef struct siginfo { */ #define TRAP_BRKPT (__SI_FAULT|1) /* process breakpoint */ #define TRAP_TRACE (__SI_FAULT|2) /* process trace trap */ +#define TRAP_BRANCH (__SI_FAULT|3) /* process taken branch trap */ +#define TRAP_HWBKPT (__SI_FAULT|4) /* hardware breakpoint/watchpoint */ #define NSIGTRAP 2 /* diff --git a/include/asm-generic/statfs.h b/include/asm-generic/statfs.h index 1d01043..6129d68 100644 --- a/include/asm-generic/statfs.h +++ b/include/asm-generic/statfs.h @@ -6,33 +6,64 @@ typedef __kernel_fsid_t fsid_t; #endif +/* + * Most 64-bit platforms use 'long', while most 32-bit platforms use '__u32'. + * Yes, they differ in signedness as well as size. + * Special cases can override it for themselves -- except for S390x, which + * is just a little too special for us. And MIPS, which I'm not touching + * with a 10' pole. + */ +#ifndef __statfs_word +#if BITS_PER_LONG == 64 +#define __statfs_word long +#else +#define __statfs_word __u32 +#endif +#endif + struct statfs { - __u32 f_type; - __u32 f_bsize; - __u32 f_blocks; - __u32 f_bfree; - __u32 f_bavail; - __u32 f_files; - __u32 f_ffree; + __statfs_word f_type; + __statfs_word f_bsize; + __statfs_word f_blocks; + __statfs_word f_bfree; + __statfs_word f_bavail; + __statfs_word f_files; + __statfs_word f_ffree; __kernel_fsid_t f_fsid; - __u32 f_namelen; - __u32 f_frsize; - __u32 f_spare[5]; + __statfs_word f_namelen; + __statfs_word f_frsize; + __statfs_word f_spare[5]; }; +/* + * ARM needs to avoid the 32-bit padding at the end, for consistency + * between EABI and OABI + */ +#ifndef ARCH_PACK_STATFS64 +#define ARCH_PACK_STATFS64 +#endif + struct statfs64 { - __u32 f_type; - __u32 f_bsize; + __statfs_word f_type; + __statfs_word f_bsize; __u64 f_blocks; __u64 f_bfree; __u64 f_bavail; __u64 f_files; __u64 f_ffree; __kernel_fsid_t f_fsid; - __u32 f_namelen; - __u32 f_frsize; - __u32 f_spare[5]; -}; + __statfs_word f_namelen; + __statfs_word f_frsize; + __statfs_word f_spare[5]; +} ARCH_PACK_STATFS64; + +/* + * IA64 and x86_64 need to avoid the 32-bit padding at the end, + * to be compatible with the i386 ABI + */ +#ifndef ARCH_PACK_COMPAT_STATFS64 +#define ARCH_PACK_COMPAT_STATFS64 +#endif struct compat_statfs64 { __u32 f_type; @@ -46,6 +77,6 @@ struct compat_statfs64 { __u32 f_namelen; __u32 f_frsize; __u32 f_spare[5]; -}; +} ARCH_PACK_COMPAT_STATFS64; #endif diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h index cb752ba..80744606 100644 --- a/include/asm-generic/vmlinux.lds.h +++ b/include/asm-generic/vmlinux.lds.h @@ -37,6 +37,13 @@ #define MEM_DISCARD(sec) *(.mem##sec) #endif +#ifdef CONFIG_FTRACE_MCOUNT_RECORD +#define MCOUNT_REC() VMLINUX_SYMBOL(__start_mcount_loc) = .; \ + *(__mcount_loc) \ + VMLINUX_SYMBOL(__stop_mcount_loc) = .; +#else +#define MCOUNT_REC() +#endif /* .data section */ #define DATA_DATA \ @@ -52,7 +59,10 @@ . = ALIGN(8); \ VMLINUX_SYMBOL(__start___markers) = .; \ *(__markers) \ - VMLINUX_SYMBOL(__stop___markers) = .; + VMLINUX_SYMBOL(__stop___markers) = .; \ + VMLINUX_SYMBOL(__start___tracepoints) = .; \ + *(__tracepoints) \ + VMLINUX_SYMBOL(__stop___tracepoints) = .; #define RO_DATA(align) \ . = ALIGN((align)); \ @@ -61,6 +71,7 @@ *(.rodata) *(.rodata.*) \ *(__vermagic) /* Kernel version magic */ \ *(__markers_strings) /* Markers: strings */ \ + *(__tracepoints_strings)/* Tracepoints: strings */ \ } \ \ .rodata1 : AT(ADDR(.rodata1) - LOAD_OFFSET) { \ @@ -188,6 +199,7 @@ /* __*init sections */ \ __init_rodata : AT(ADDR(__init_rodata) - LOAD_OFFSET) { \ *(.ref.rodata) \ + MCOUNT_REC() \ DEV_KEEP(init.rodata) \ DEV_KEEP(exit.rodata) \ CPU_KEEP(init.rodata) \ @@ -268,7 +280,15 @@ CPU_DISCARD(init.data) \ CPU_DISCARD(init.rodata) \ MEM_DISCARD(init.data) \ - MEM_DISCARD(init.rodata) + MEM_DISCARD(init.rodata) \ + /* implement dynamic printk debug */ \ + VMLINUX_SYMBOL(__start___verbose_strings) = .; \ + *(__verbose_strings) \ + VMLINUX_SYMBOL(__stop___verbose_strings) = .; \ + . = ALIGN(8); \ + VMLINUX_SYMBOL(__start___verbose) = .; \ + *(__verbose) \ + VMLINUX_SYMBOL(__stop___verbose) = .; #define INIT_TEXT \ *(.init.text) \ @@ -385,6 +405,7 @@ . = ALIGN(align); \ VMLINUX_SYMBOL(__per_cpu_start) = .; \ .data.percpu : AT(ADDR(.data.percpu) - LOAD_OFFSET) { \ + *(.data.percpu.page_aligned) \ *(.data.percpu) \ *(.data.percpu.shared_aligned) \ } \ |
