diff options
Diffstat (limited to 'include/asm-generic')
| -rw-r--r-- | include/asm-generic/bug.h | 19 | ||||
| -rw-r--r-- | include/asm-generic/percpu.h | 2 |
2 files changed, 21 insertions, 0 deletions
diff --git a/include/asm-generic/bug.h b/include/asm-generic/bug.h index 0cd9711..8ceab7b 100644 --- a/include/asm-generic/bug.h +++ b/include/asm-generic/bug.h @@ -38,4 +38,23 @@ #endif #endif +#define WARN_ON_ONCE(condition) \ +({ \ + static int __warn_once = 1; \ + int __ret = 0; \ + \ + if (unlikely((condition) && __warn_once)) { \ + __warn_once = 0; \ + WARN_ON(1); \ + __ret = 1; \ + } \ + __ret; \ +}) + +#ifdef CONFIG_SMP +# define WARN_ON_SMP(x) WARN_ON(x) +#else +# define WARN_ON_SMP(x) do { } while (0) +#endif + #endif diff --git a/include/asm-generic/percpu.h b/include/asm-generic/percpu.h index c0caf43..c745211 100644 --- a/include/asm-generic/percpu.h +++ b/include/asm-generic/percpu.h @@ -14,6 +14,7 @@ extern unsigned long __per_cpu_offset[NR_CPUS]; /* var is in discarded region: offset to particular copy we want */ #define per_cpu(var, cpu) (*RELOC_HIDE(&per_cpu__##var, __per_cpu_offset[cpu])) #define __get_cpu_var(var) per_cpu(var, smp_processor_id()) +#define __raw_get_cpu_var(var) per_cpu(var, raw_smp_processor_id()) /* A macro to avoid #include hell... */ #define percpu_modcopy(pcpudst, src, size) \ @@ -30,6 +31,7 @@ do { \ #define per_cpu(var, cpu) (*((void)(cpu), &per_cpu__##var)) #define __get_cpu_var(var) per_cpu__##var +#define __raw_get_cpu_var(var) per_cpu__##var #endif /* SMP */ |