diff options
Diffstat (limited to 'include/asm-generic')
| -rw-r--r-- | include/asm-generic/atomic.h | 4 | ||||
| -rw-r--r-- | include/asm-generic/bug.h | 9 | ||||
| -rw-r--r-- | include/asm-generic/percpu.h | 71 | ||||
| -rw-r--r-- | include/asm-generic/siginfo.h | 2 | ||||
| -rw-r--r-- | include/asm-generic/vmlinux.lds.h | 7 |
5 files changed, 29 insertions, 64 deletions
diff --git a/include/asm-generic/atomic.h b/include/asm-generic/atomic.h index 7abdaa91ccd3..3673a13b6703 100644 --- a/include/asm-generic/atomic.h +++ b/include/asm-generic/atomic.h @@ -132,9 +132,9 @@ static inline long atomic_long_add_unless(atomic_long_t *l, long a, long u) #define atomic_long_inc_not_zero(l) atomic64_inc_not_zero((atomic64_t *)(l)) #define atomic_long_cmpxchg(l, old, new) \ - (atomic_cmpxchg((atomic64_t *)(l), (old), (new))) + (atomic64_cmpxchg((atomic64_t *)(l), (old), (new))) #define atomic_long_xchg(v, new) \ - (atomic_xchg((atomic64_t *)(l), (new))) + (atomic64_xchg((atomic64_t *)(l), (new))) #else /* BITS_PER_LONG == 64 */ diff --git a/include/asm-generic/bug.h b/include/asm-generic/bug.h index 37b82cb96c89..4b6755984d24 100644 --- a/include/asm-generic/bug.h +++ b/include/asm-generic/bug.h @@ -58,12 +58,13 @@ struct bug_entry { */ #ifndef __WARN #ifndef __ASSEMBLY__ -extern void warn_slowpath(const char *file, const int line, +extern void warn_slowpath_fmt(const char *file, const int line, const char *fmt, ...) __attribute__((format(printf, 3, 4))); +extern void warn_slowpath_null(const char *file, const int line); #define WANT_WARN_ON_SLOWPATH #endif -#define __WARN() warn_slowpath(__FILE__, __LINE__, NULL) -#define __WARN_printf(arg...) warn_slowpath(__FILE__, __LINE__, arg) +#define __WARN() warn_slowpath_null(__FILE__, __LINE__) +#define __WARN_printf(arg...) warn_slowpath_fmt(__FILE__, __LINE__, arg) #else #define __WARN_printf(arg...) do { printk(arg); __WARN(); } while (0) #endif @@ -88,7 +89,7 @@ extern void warn_slowpath(const char *file, const int line, #else /* !CONFIG_BUG */ #ifndef HAVE_ARCH_BUG -#define BUG() +#define BUG() do {} while(0) #endif #ifndef HAVE_ARCH_BUG_ON diff --git a/include/asm-generic/percpu.h b/include/asm-generic/percpu.h index 00f45ff081a6..d7d50d7ee51e 100644 --- a/include/asm-generic/percpu.h +++ b/include/asm-generic/percpu.h @@ -1,13 +1,9 @@ #ifndef _ASM_GENERIC_PERCPU_H_ #define _ASM_GENERIC_PERCPU_H_ + #include <linux/compiler.h> #include <linux/threads.h> - -/* - * Determine the real variable name from the name visible in the - * kernel sources. - */ -#define per_cpu_var(var) per_cpu__##var +#include <linux/percpu-defs.h> #ifdef CONFIG_SMP @@ -73,63 +69,32 @@ extern void setup_per_cpu_areas(void); #endif /* SMP */ -#ifndef PER_CPU_ATTRIBUTES -#define PER_CPU_ATTRIBUTES +#ifndef PER_CPU_BASE_SECTION +#ifdef CONFIG_SMP +#define PER_CPU_BASE_SECTION ".data.percpu" +#else +#define PER_CPU_BASE_SECTION ".data" #endif - -#define DECLARE_PER_CPU(type, name) extern PER_CPU_ATTRIBUTES \ - __typeof__(type) per_cpu_var(name) - -/* - * Optional methods for optimized non-lvalue per-cpu variable access. - * - * @var can be a percpu variable or a field of it and its size should - * equal char, int or long. percpu_read() evaluates to a lvalue and - * all others to void. - * - * These operations are guaranteed to be atomic w.r.t. preemption. - * The generic versions use plain get/put_cpu_var(). Archs are - * encouraged to implement single-instruction alternatives which don't - * require preemption protection. - */ -#ifndef percpu_read -# define percpu_read(var) \ - ({ \ - typeof(per_cpu_var(var)) __tmp_var__; \ - __tmp_var__ = get_cpu_var(var); \ - put_cpu_var(var); \ - __tmp_var__; \ - }) #endif -#define __percpu_generic_to_op(var, val, op) \ -do { \ - get_cpu_var(var) op val; \ - put_cpu_var(var); \ -} while (0) - -#ifndef percpu_write -# define percpu_write(var, val) __percpu_generic_to_op(var, (val), =) -#endif +#ifdef CONFIG_SMP -#ifndef percpu_add -# define percpu_add(var, val) __percpu_generic_to_op(var, (val), +=) +#ifdef MODULE +#define PER_CPU_SHARED_ALIGNED_SECTION "" +#else +#define PER_CPU_SHARED_ALIGNED_SECTION ".shared_aligned" #endif +#define PER_CPU_FIRST_SECTION ".first" -#ifndef percpu_sub -# define percpu_sub(var, val) __percpu_generic_to_op(var, (val), -=) -#endif +#else -#ifndef percpu_and -# define percpu_and(var, val) __percpu_generic_to_op(var, (val), &=) -#endif +#define PER_CPU_SHARED_ALIGNED_SECTION "" +#define PER_CPU_FIRST_SECTION "" -#ifndef percpu_or -# define percpu_or(var, val) __percpu_generic_to_op(var, (val), |=) #endif -#ifndef percpu_xor -# define percpu_xor(var, val) __percpu_generic_to_op(var, (val), ^=) +#ifndef PER_CPU_ATTRIBUTES +#define PER_CPU_ATTRIBUTES #endif #endif /* _ASM_GENERIC_PERCPU_H_ */ diff --git a/include/asm-generic/siginfo.h b/include/asm-generic/siginfo.h index 35752dadd6df..c840719a8c59 100644 --- a/include/asm-generic/siginfo.h +++ b/include/asm-generic/siginfo.h @@ -201,7 +201,7 @@ typedef struct siginfo { #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 +#define NSIGTRAP 4 /* * SIGCHLD si_codes diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h index 7fa660fd449c..89853bcd27a6 100644 --- a/include/asm-generic/vmlinux.lds.h +++ b/include/asm-generic/vmlinux.lds.h @@ -1,3 +1,5 @@ +#include <linux/section-names.h> + #ifndef LOAD_OFFSET #define LOAD_OFFSET 0 #endif @@ -88,7 +90,6 @@ /* .data section */ #define DATA_DATA \ *(.data) \ - *(.data.init.refok) \ *(.ref.data) \ DEV_KEEP(init.data) \ DEV_KEEP(exit.data) \ @@ -287,8 +288,6 @@ *(.text.hot) \ *(.text) \ *(.ref.text) \ - *(.text.init.refok) \ - *(.exit.text.refok) \ DEV_KEEP(init.text) \ DEV_KEEP(exit.text) \ CPU_KEEP(init.text) \ @@ -331,7 +330,7 @@ #endif /* Section used for early init (in .S files) */ -#define HEAD_TEXT *(.head.text) +#define HEAD_TEXT *(HEAD_TEXT_SECTION) /* init and exit section handling */ #define INIT_DATA \ |