diff options
Diffstat (limited to 'include/linux/random.h')
| -rw-r--r-- | include/linux/random.h | 38 |
1 files changed, 26 insertions, 12 deletions
diff --git a/include/linux/random.h b/include/linux/random.h index f189c927fdea..45e1f8fa742b 100644 --- a/include/linux/random.h +++ b/include/linux/random.h @@ -7,6 +7,8 @@ #ifndef _LINUX_RANDOM_H #define _LINUX_RANDOM_H +#include <linux/bug.h> +#include <linux/kernel.h> #include <linux/list.h> #include <linux/once.h> @@ -167,29 +169,41 @@ static inline void prandom_seed_state(struct rnd_state *state, u64 seed) #ifdef CONFIG_ARCH_RANDOM # include <asm/archrandom.h> #else -static inline bool arch_get_random_long(unsigned long *v) +static inline bool __must_check arch_get_random_long(unsigned long *v) { - return 0; + return false; } -static inline bool arch_get_random_int(unsigned int *v) +static inline bool __must_check arch_get_random_int(unsigned int *v) { - return 0; + return false; } -static inline bool arch_has_random(void) +static inline bool __must_check arch_get_random_seed_long(unsigned long *v) { - return 0; + return false; } -static inline bool arch_get_random_seed_long(unsigned long *v) +static inline bool __must_check arch_get_random_seed_int(unsigned int *v) { - return 0; + return false; } -static inline bool arch_get_random_seed_int(unsigned int *v) +#endif + +/* + * Called from the boot CPU during startup; not valid to call once + * secondary CPUs are up and preemption is possible. + */ +#ifndef arch_get_random_seed_long_early +static inline bool __init arch_get_random_seed_long_early(unsigned long *v) { - return 0; + WARN_ON(system_state != SYSTEM_BOOTING); + return arch_get_random_seed_long(v); } -static inline bool arch_has_random_seed(void) +#endif + +#ifndef arch_get_random_long_early +static inline bool __init arch_get_random_long_early(unsigned long *v) { - return 0; + WARN_ON(system_state != SYSTEM_BOOTING); + return arch_get_random_long(v); } #endif |