git: 5d45f99a1ed8 - stable/13 - i386 doreti: Fix calculation of stack frame size
Date: Fri, 02 Sep 2022 15:06:19 UTC
The branch stable/13 has been updated by tijl:
URL: https://cgit.FreeBSD.org/src/commit/?id=5d45f99a1ed861618d5c4d5b4252d5eba001ad35
commit 5d45f99a1ed861618d5c4d5b4252d5eba001ad35
Author: Tijl Coosemans <tijl@FreeBSD.org>
AuthorDate: 2022-09-02 14:16:35 +0000
Commit: Tijl Coosemans <tijl@FreeBSD.org>
CommitDate: 2022-09-02 15:02:00 +0000
i386 doreti: Fix calculation of stack frame size
Reviewed by: kib
Fixes: e8b2980e4a12 - i386 doreti: stop saving/restoring %ecx
(cherry picked from commit cfdc649e455bc0d37d42c46b59360462e93b4300)
---
sys/i386/i386/exception.s | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/sys/i386/i386/exception.s b/sys/i386/i386/exception.s
index 38ec48e66e24..af654fd129a9 100644
--- a/sys/i386/i386/exception.s
+++ b/sys/i386/i386/exception.s
@@ -556,7 +556,7 @@ doreti_exit:
testl $PSL_VM,TF_EFLAGS(%esp)
jz 2f /* PCB_VM86CALL is not set */
addl $VM86_STACK_SPACE, %ecx
-2: subl $TF_SZ, %edx
+2: subl %ecx, %edx
movl %edx, %edi
rep; movsb
movl %edx, %esp