Commit 69ba9743 authored Oct 30, 2011 by Carsten Otte Committed by Martin Schwidefsky Oct 30, 2011

[S390] load user asce on sie_fault



On sie_fault we need to switch back to user ASCE. Otherwise we get
interresting effects when exiting to "userspace" while the guest
space is still active.

Signed-off-by: Carsten Otte <cotte@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

parent d98e19cc

arch/s390/kernel/entry64.S

+1 −0

Original line number	Diff line number	Diff line
		@@ -1081,6 +1081,7 @@ sie_exit:
		lghi %r2,0
		br %r14
		sie_fault:
		lctlg %c1,%c1,__LC_USER_ASCE # load primary asce
		lg %r14,__LC_THREAD_INFO # pointer thread_info struct
		ni __TI_flags+6(%r14),255-(_TIF_SIE>>8)
		lg %r14,__SF_EMPTY+8(%r15) # load guest register save area