Merge branch 'pnp' into release

[karo-tx-linux.git] / arch / s390 / kernel / nmi.c

diff --git a/arch/s390/kernel/nmi.c b/arch/s390/kernel/nmi.c
index ac151399ef34153cb69da534bd52ff51fd2528fb..1995c1712fc83485193dab760623241576b0ef29 100644 (file)
--- a/arch/s390/kernel/nmi.c
+++ b/arch/s390/kernel/nmi.c
@@ -95,7 +95,6 @@ EXPORT_SYMBOL_GPL(s390_handle_mcck);
 static int notrace s390_revalidate_registers(struct mci *mci)
 {
        int kill_task;
-       u64 tmpclock;
        u64 zero;
        void *fpt_save_area, *fpt_creg_save_area;
 
@@ -214,11 +213,10 @@ static int notrace s390_revalidate_registers(struct mci *mci)
                        : "0", "cc");
 #endif
        /* Revalidate clock comparator register */
-       asm volatile(
-               "       stck    0(%1)\n"
-               "       sckc    0(%1)"
-               : "=m" (tmpclock) : "a" (&(tmpclock)) : "cc", "memory");
-
+       if (S390_lowcore.clock_comparator == -1)
+               set_clock_comparator(S390_lowcore.mcck_clock);
+       else
+               set_clock_comparator(S390_lowcore.clock_comparator);
        /* Check if old PSW is valid */
        if (!mci->wp)
                /*