cpu: Make rdseed() macro actually use rdseed
diff --git a/stage23/sys/cpu.h b/stage23/sys/cpu.h
index e283c0b2..354bf14e 100644
--- a/stage23/sys/cpu.h
+++ b/stage23/sys/cpu.h
@@ -175,7 +175,7 @@ inline uint64_t rdtsc(void) {
type ret; \
asm volatile ( \
"1: " \
- "rdrand %0;" \
+ "rdseed %0;" \
"jnc 1b;" \
: "=r" (ret) \
); \
