[S390] cleanup lowcore access from external interrupts

[karo-tx-linux.git] / arch / s390 / kernel / entry64.S

diff --git a/arch/s390/kernel/entry64.S b/arch/s390/kernel/entry64.S
index 2d205e4e7bb60b4705a6a4d24365cb57affc2a14..e4038ea4dc57da1010309a4cb4fcaa28b19f7e3c 100644 (file)
--- a/arch/s390/kernel/entry64.S
+++ b/arch/s390/kernel/entry64.S
@@ -727,8 +727,11 @@ ext_int_handler:
 ext_no_vtime:
        HANDLE_SIE_INTERCEPT
        TRACE_IRQS_OFF
+       lghi    %r1,4096
        la      %r2,SP_PTREGS(%r15)     # address of register-save area
-       llgh    %r3,__LC_EXT_INT_CODE   # get interruption code
+       llgf    %r3,__LC_CPU_ADDRESS    # get cpu address + interruption code
+       llgf    %r4,__LC_EXT_PARAMS     # get external parameter
+       lg      %r5,__LC_EXT_PARAMS2-4096(%r1)  # get 64 bit external parameter
        brasl   %r14,do_extint
        j       io_return