summaryrefslogtreecommitdiffstats
path: root/arch/s390/kernel/entry64.S
diff options
context:
space:
mode:
Diffstat (limited to 'arch/s390/kernel/entry64.S')
-rw-r--r--arch/s390/kernel/entry64.S10
1 files changed, 7 insertions, 3 deletions
diff --git a/arch/s390/kernel/entry64.S b/arch/s390/kernel/entry64.S
index 4c17eece707e..c2e81b4ea42c 100644
--- a/arch/s390/kernel/entry64.S
+++ b/arch/s390/kernel/entry64.S
@@ -84,7 +84,7 @@ _TIF_EXIT_SIE = (_TIF_SIGPENDING | _TIF_NEED_RESCHED | _TIF_MCCK_PENDING)
.macro HANDLE_SIE_INTERCEPT scratch,pgmcheck
#if defined(CONFIG_KVM) || defined(CONFIG_KVM_MODULE)
tmhh %r8,0x0001 # interrupting from user ?
- jnz .+42
+ jnz .+52
lgr \scratch,%r9
slg \scratch,BASED(.Lsie_loop)
clg \scratch,BASED(.Lsie_length)
@@ -92,12 +92,14 @@ _TIF_EXIT_SIE = (_TIF_SIGPENDING | _TIF_NEED_RESCHED | _TIF_MCCK_PENDING)
# Some program interrupts are suppressing (e.g. protection).
# We must also check the instruction after SIE in that case.
# do_protection_exception will rewind to rewind_pad
- jh .+22
+ jh .+32
.else
- jhe .+22
+ jhe .+32
.endif
lg %r9,BASED(.Lsie_loop)
LPP BASED(.Lhost_id) # set host id
+ lg %r14,__SF_EMPTY(%r15) # get control block pointer
+ ni __SIE_PROG0C+3(%r14),0xfe # no longer in SIE
#endif
.endm
@@ -956,10 +958,12 @@ sie_loop:
lctlg %c1,%c1,__GMAP_ASCE(%r14) # load primary asce
sie_gmap:
lg %r14,__SF_EMPTY(%r15) # get control block pointer
+ oi __SIE_PROG0C+3(%r14),1 # we are in SIE now
LPP __SF_EMPTY(%r15) # set guest id
sie 0(%r14)
sie_done:
LPP __SF_EMPTY+16(%r15) # set host id
+ ni __SIE_PROG0C+3(%r14),0xfe # no longer in SIE
lg %r14,__LC_THREAD_INFO # pointer thread_info struct
sie_exit:
lctlg %c1,%c1,__LC_USER_ASCE # load primary asce
OpenPOWER on IntegriCloud