amd64: macroify copyin/copyout and provide erms variants, follow up

Fix a fat-fingered typo with a "funny" side-effect: when doing copyin on a cpu without ERMS and with size being a multiply of 8 a page fault would be triggered resulting in EFAULT. Pointy hat: mjg Approved by: re (implicit)
2018-09-20 20:32:08 +00:00 · 2018-09-20 20:32:08 +00:00 · 253328ab5c
commit 253328ab5c
parent 8ff5f08050
1 changed files with 1 additions and 1 deletions
--- a/sys/amd64/amd64/support.S
+++ b/sys/amd64/amd64/support.S
@ -410,7 +410,7 @@ copyout_fault:
 	movsq
 	movb	%al,%cl
 	andb	$7,%cl				/* copy remaining bytes */
-	je	1
+	je	1f
 .endif
 	rep
 	movsb