x86, kaslr: Provide randomness functions

[karo-tx-linux.git] / arch / x86 / kernel / cpu / rdrand.c

diff --git a/arch/x86/kernel/cpu/rdrand.c b/arch/x86/kernel/cpu/rdrand.c
index 88db010845cb26a2594170acc2387cee75a20bbc..384df5105fbc9883626ec5482151babd43ce482a 100644 (file)
--- 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)
 }
 __setup("nordrand", x86_rdrand_setup);
 
-/* We can't use arch_get_random_long() here since alternatives haven't run */
-static inline int rdrand_long(unsigned long *v)
-{
-       int ok;
-       asm volatile("1: " RDRAND_LONG "\n\t"
-                    "jc 2f\n\t"
-                    "decl %0\n\t"
-                    "jnz 1b\n\t"
-                    "2:"
-                    : "=r" (ok), "=a" (*v)
-                    : "0" (RDRAND_RETRY_LOOPS));
-       return ok;
-}
-
 /*
  * Force a reseed cycle; we are architecturally guaranteed a reseed
  * after no more than 512 128-bit chunks of random data.  This also