diff options
Diffstat (limited to 'arch/x86/kernel/cpu')
-rw-r--r-- | arch/x86/kernel/cpu/rdrand.c | 14 |
1 files changed, 0 insertions, 14 deletions
diff --git a/arch/x86/kernel/cpu/rdrand.c b/arch/x86/kernel/cpu/rdrand.c index 88db010845cb..384df5105fbc 100644 --- a/arch/x86/kernel/cpu/rdrand.c +++ b/arch/x86/kernel/cpu/rdrand.c | |||
@@ -31,20 +31,6 @@ static int __init x86_rdrand_setup(char *s) | |||
31 | } | 31 | } |
32 | __setup("nordrand", x86_rdrand_setup); | 32 | __setup("nordrand", x86_rdrand_setup); |
33 | 33 | ||
34 | /* We can't use arch_get_random_long() here since alternatives haven't run */ | ||
35 | static inline int rdrand_long(unsigned long *v) | ||
36 | { | ||
37 | int ok; | ||
38 | asm volatile("1: " RDRAND_LONG "\n\t" | ||
39 | "jc 2f\n\t" | ||
40 | "decl %0\n\t" | ||
41 | "jnz 1b\n\t" | ||
42 | "2:" | ||
43 | : "=r" (ok), "=a" (*v) | ||
44 | : "0" (RDRAND_RETRY_LOOPS)); | ||
45 | return ok; | ||
46 | } | ||
47 | |||
48 | /* | 34 | /* |
49 | * Force a reseed cycle; we are architecturally guaranteed a reseed | 35 | * Force a reseed cycle; we are architecturally guaranteed a reseed |
50 | * after no more than 512 128-bit chunks of random data. This also | 36 | * after no more than 512 128-bit chunks of random data. This also |