[S390] s390: fix single stepping on svc0

[sfrench/cifs-2.6.git] / arch / s390 / kernel / entry.S

diff --git a/arch/s390/kernel/entry.S b/arch/s390/kernel/entry.S
index f43d2ee544645a4de9eb679f9dbe095d555dfe77..48215d15762b2d3d6a3be7eaf6fe509a45268567 100644 (file)
--- a/arch/s390/kernel/entry.S
+++ b/arch/s390/kernel/entry.S
@@ -565,10 +565,10 @@ pgm_svcper:
        lh      %r7,0x8a                # get svc number from lowcore
        l       %r9,__LC_THREAD_INFO    # load pointer to thread_info struct
        TRACE_IRQS_OFF
-       l       %r1,__TI_task(%r9)
-       mvc     __THREAD_per+__PER_atmid(2,%r1),__LC_PER_ATMID
-       mvc     __THREAD_per+__PER_address(4,%r1),__LC_PER_ADDRESS
-       mvc     __THREAD_per+__PER_access_id(1,%r1),__LC_PER_ACCESS_ID
+       l       %r8,__TI_task(%r9)
+       mvc     __THREAD_per+__PER_atmid(2,%r8),__LC_PER_ATMID
+       mvc     __THREAD_per+__PER_address(4,%r8),__LC_PER_ADDRESS
+       mvc     __THREAD_per+__PER_access_id(1,%r8),__LC_PER_ACCESS_ID
        oi      __TI_flags+3(%r9),_TIF_SINGLE_STEP # set TIF_SINGLE_STEP
        TRACE_IRQS_ON
        stosm   __SF_EMPTY(%r15),0x03   # reenable interrupts