From: Szabolcs Nagy <szabolcs.nagy@arm.com>
Date: Tue, 12 Jul 2022 10:13:57 +0000 (+0100)
Subject: aarch64: morello: fix vfork
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d23dfc032415f04bd66598651afd5e70e696af07;p=thirdparty%2Fglibc.git

aarch64: morello: fix vfork

No need to set the child stack to sp, 0 means the parent stack is used.
This avoids purecap specific ifdefs in vfork.
---

diff --git a/sysdeps/unix/sysv/linux/aarch64/vfork.S b/sysdeps/unix/sysv/linux/aarch64/vfork.S
index 76103db922b..81b67d06fc2 100644
--- a/sysdeps/unix/sysv/linux/aarch64/vfork.S
+++ b/sysdeps/unix/sysv/linux/aarch64/vfork.S
@@ -28,7 +28,7 @@
 ENTRY (__vfork)
 
 	mov	x0, #0x4111	/* CLONE_VM | CLONE_VFORK | SIGCHLD */
-	mov	x1, sp
+	mov	x1, 0
 	DO_CALL (clone, 2)
 
 	cmn	x0, #4095