Author: kib
Date: Tue May 22 13:30:56 2018
New Revision: 334040
URL: https://svnweb.freebsd.org/changeset/base/334040
Log:
Fix double-load of %cr3 and double-copy of the stack frame for the
kernel entry from userspace vm86.
Sponsored by: The FreeBSD Foundation
MFC after: 1 week
Modified:
head/sys/i386/include/asmacros.h
Modified: head/sys/i386/include/asmacros.h
==============================================================================
--- head/sys/i386/include/asmacros.h Tue May 22 13:28:05 2018
(r334039)
+++ head/sys/i386/include/asmacros.h Tue May 22 13:30:56 2018
(r334040)
@@ -218,7 +218,7 @@
testl $PCB_VM86CALL, PCB_FLAGS(%eax)
jnz 3f
NMOVE_STACKS
- jmp 2f
+ jmp 3f
1: testb $SEL_RPL_MASK, TF_CS(%esp)
jz 3f
2: MOVE_STACKS
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