diff options
Diffstat (limited to 'arch/s390/kernel/entry64.S')
-rw-r--r-- | arch/s390/kernel/entry64.S | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/s390/kernel/entry64.S b/arch/s390/kernel/entry64.S index 685f11faa4bc..2a7b1304418b 100644 --- a/arch/s390/kernel/entry64.S +++ b/arch/s390/kernel/entry64.S | |||
@@ -99,6 +99,11 @@ _TIF_WORK_INT = (_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK | _TIF_NEED_RESCHED | \ | |||
99 | larl %r13,system_call | 99 | larl %r13,system_call |
100 | .endm | 100 | .endm |
101 | 101 | ||
102 | .macro SAVE_ALL_SVC psworg,savearea | ||
103 | la %r12,\psworg | ||
104 | lg %r15,__LC_KERNEL_STACK # problem state -> load ksp | ||
105 | .endm | ||
106 | |||
102 | .macro SAVE_ALL_SYNC psworg,savearea | 107 | .macro SAVE_ALL_SYNC psworg,savearea |
103 | la %r12,\psworg | 108 | la %r12,\psworg |
104 | tm \psworg+1,0x01 # test problem state bit | 109 | tm \psworg+1,0x01 # test problem state bit |
@@ -207,7 +212,7 @@ system_call: | |||
207 | STORE_TIMER __LC_SYNC_ENTER_TIMER | 212 | STORE_TIMER __LC_SYNC_ENTER_TIMER |
208 | sysc_saveall: | 213 | sysc_saveall: |
209 | SAVE_ALL_BASE __LC_SAVE_AREA | 214 | SAVE_ALL_BASE __LC_SAVE_AREA |
210 | SAVE_ALL_SYNC __LC_SVC_OLD_PSW,__LC_SAVE_AREA | 215 | SAVE_ALL_SVC __LC_SVC_OLD_PSW,__LC_SAVE_AREA |
211 | CREATE_STACK_FRAME __LC_SVC_OLD_PSW,__LC_SAVE_AREA | 216 | CREATE_STACK_FRAME __LC_SVC_OLD_PSW,__LC_SAVE_AREA |
212 | llgh %r7,__LC_SVC_INT_CODE # get svc number from lowcore | 217 | llgh %r7,__LC_SVC_INT_CODE # get svc number from lowcore |
213 | #ifdef CONFIG_VIRT_CPU_ACCOUNTING | 218 | #ifdef CONFIG_VIRT_CPU_ACCOUNTING |