[S390] s390: fix single stepping on svc0

[safe/jmp/linux-2.6] / arch / s390 / kernel / entry64.S

diff --git a/arch/s390/kernel/entry64.S b/arch/s390/kernel/entry64.S
index a6f7b20..9aff1d4 100644 (file)
--- a/arch/s390/kernel/entry64.S
+++ b/arch/s390/kernel/entry64.S
@@ -543,10 +543,10 @@ pgm_svcper:
        mvc     __LC_LAST_UPDATE_TIMER(8),__LC_SYNC_ENTER_TIMER
        llgh    %r7,__LC_SVC_INT_CODE   # get svc number from lowcore
        lg      %r9,__LC_THREAD_INFO    # load pointer to thread_info struct
-       lg      %r1,__TI_task(%r9)
-       mvc     __THREAD_per+__PER_atmid(2,%r1),__LC_PER_ATMID
-       mvc     __THREAD_per+__PER_address(8,%r1),__LC_PER_ADDRESS
-       mvc     __THREAD_per+__PER_access_id(1,%r1),__LC_PER_ACCESS_ID
+       lg      %r8,__TI_task(%r9)
+       mvc     __THREAD_per+__PER_atmid(2,%r8),__LC_PER_ATMID
+       mvc     __THREAD_per+__PER_address(8,%r8),__LC_PER_ADDRESS
+       mvc     __THREAD_per+__PER_access_id(1,%r8),__LC_PER_ACCESS_ID
        oi      __TI_flags+7(%r9),_TIF_SINGLE_STEP # set TIF_SINGLE_STEP
        TRACE_IRQS_ON
        stosm   __SF_EMPTY(%r15),0x03   # reenable interrupts