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Commit c2bc3a31 authored by Linus Torvalds's avatar Linus Torvalds
Browse files

Merge branch 'x86/rdrand' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 

* 'x86/rdrand' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  random: Adjust the number of loops when initializing
  random: Use arch-specific RNG to initialize the entropy store
parents 5674124f 2dac8e54

drivers/char/random.c

+6 −0
Original line number Diff line number Diff line
@@ -965,6 +965,7 @@ EXPORT_SYMBOL(get_random_bytes); 
 */

static void init_std_data(struct entropy_store *r)

{

	int i;

	ktime_t now;

	unsigned long flags;
@@ -974,6 +975,11 @@ static void init_std_data(struct entropy_store *r) 


	now = ktime_get_real();

	mix_pool_bytes(r, &now, sizeof(now));

	for (i = r->poolinfo->POOLBYTES; i > 0; i -= sizeof flags) {

		if (!arch_get_random_long(&flags))

			break;

		mix_pool_bytes(r, &flags, sizeof(flags));

	}

	mix_pool_bytes(r, utsname(), sizeof(*(utsname())));

}