socsvn commit: r269003 - soc2014/op/freebsd-base/sys/amd64/include

[op at FreeBSD.org]

Author: op
Date: Tue Jun  3 10:36:01 2014
New Revision: 269003
URL: http://svnweb.FreeBSD.org/socsvn/?view=rev&rev=269003

Log:
  SMAP AMD64: clear SMAP state in PUSH_FRAME asmacro
  
  PUSH_FRAME used in function are in sys/amd64/amd64/apic_vector.S
  These function called on external interrupt.
  
  git: https://github.com/opntr/opBSD/commits/op/gsoc2014/smap
  
  Signed-off-by: Oliver Pinter <oliver.pntr at gmail.com>
  
  

Modified:
  soc2014/op/freebsd-base/sys/amd64/include/asmacros.h

Modified: soc2014/op/freebsd-base/sys/amd64/include/asmacros.h
==============================================================================
--- soc2014/op/freebsd-base/sys/amd64/include/asmacros.h	Tue Jun  3 09:41:37 2014	(r269002)
+++ soc2014/op/freebsd-base/sys/amd64/include/asmacros.h	Tue Jun  3 10:36:01 2014	(r269003)
@@ -167,6 +167,7 @@
 	movw	%es,TF_ES(%rsp) ;					\
 	movw	%ds,TF_DS(%rsp) ;					\
 	movl	$TF_HASSEGS,TF_FLAGS(%rsp) ;				\
+	clac;								\
 	cld
 
 #define POP_FRAME							\