diff options
Diffstat (limited to 'arch/s390/kernel/entry64.S')
| -rw-r--r-- | arch/s390/kernel/entry64.S | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/arch/s390/kernel/entry64.S b/arch/s390/kernel/entry64.S index 178d92536d90..8bccec15ea90 100644 --- a/arch/s390/kernel/entry64.S +++ b/arch/s390/kernel/entry64.S @@ -65,7 +65,7 @@ _TIF_SYSCALL = (_TIF_SYSCALL_TRACE>>8 | _TIF_SYSCALL_AUDIT>>8 | \ ltgr %r3,%r3 jz 0f basr %r14,%r3 - 0: +0: #endif .endm @@ -544,8 +544,16 @@ pgm_no_vtime2: lgf %r3,__LC_PGM_ILC # load program interruption code lghi %r8,0x7f ngr %r8,%r3 # clear per-event-bit and ilc - je pgm_exit - j pgm_do_call + je pgm_exit2 + sll %r8,3 + larl %r1,pgm_check_table + lg %r1,0(%r8,%r1) # load address of handler routine + la %r2,SP_PTREGS(%r15) # address of register-save area + basr %r14,%r1 # branch to interrupt-handler +pgm_exit2: + TRACE_IRQS_ON + stosm __SF_EMPTY(%r15),0x03 # reenable interrupts + j sysc_return # # it was a single stepped SVC that is causing all the trouble |