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Diffstat (limited to 'arch/s390/kernel/nmi.c')
-rw-r--r--arch/s390/kernel/nmi.c21
1 files changed, 8 insertions, 13 deletions
diff --git a/arch/s390/kernel/nmi.c b/arch/s390/kernel/nmi.c
index 0fd2e863e11..210e1285f75 100644
--- a/arch/s390/kernel/nmi.c
+++ b/arch/s390/kernel/nmi.c
@@ -1,7 +1,7 @@
/*
* Machine check handler
*
- * Copyright IBM Corp. 2000,2009
+ * Copyright IBM Corp. 2000, 2009
* Author(s): Ingo Adlung <adlung@de.ibm.com>,
* Martin Schwidefsky <schwidefsky@de.ibm.com>,
* Cornelia Huck <cornelia.huck@de.ibm.com>,
@@ -55,7 +55,7 @@ void s390_handle_mcck(void)
local_mcck_disable();
mcck = __get_cpu_var(cpu_mcck);
memset(&__get_cpu_var(cpu_mcck), 0, sizeof(struct mcck_struct));
- clear_thread_flag(TIF_MCCK_PENDING);
+ clear_cpu_flag(CIF_MCCK_PENDING);
local_mcck_enable();
local_irq_restore(flags);
@@ -214,10 +214,7 @@ static int notrace s390_revalidate_registers(struct mci *mci)
: "0", "cc");
#endif
/* Revalidate clock comparator register */
- if (S390_lowcore.clock_comparator == -1)
- set_clock_comparator(S390_lowcore.mcck_clock);
- else
- set_clock_comparator(S390_lowcore.clock_comparator);
+ set_clock_comparator(S390_lowcore.clock_comparator);
/* Check if old PSW is valid */
if (!mci->wp)
/*
@@ -254,9 +251,7 @@ void notrace s390_do_machine_check(struct pt_regs *regs)
int umode;
nmi_enter();
- s390_idle_check(regs, S390_lowcore.mcck_clock,
- S390_lowcore.mcck_enter_timer);
- kstat_cpu(smp_processor_id()).irqs[NMI_NMI]++;
+ inc_irq_stat(NMI_NMI);
mci = (struct mci *) &S390_lowcore.mcck_interruption_code;
mcck = &__get_cpu_var(cpu_mcck);
umode = user_mode(regs);
@@ -295,7 +290,7 @@ void notrace s390_do_machine_check(struct pt_regs *regs)
* retry this instruction.
*/
spin_lock(&ipd_lock);
- tmp = get_clock();
+ tmp = get_tod_clock();
if (((tmp - last_ipd) >> 12) < MAX_IPD_TIME)
ipd_count++;
else
@@ -318,7 +313,7 @@ void notrace s390_do_machine_check(struct pt_regs *regs)
*/
mcck->kill_task = 1;
mcck->mcck_code = *(unsigned long long *) mci;
- set_thread_flag(TIF_MCCK_PENDING);
+ set_cpu_flag(CIF_MCCK_PENDING);
} else {
/*
* Couldn't restore all register contents while in
@@ -357,12 +352,12 @@ void notrace s390_do_machine_check(struct pt_regs *regs)
if (mci->cp) {
/* Channel report word pending */
mcck->channel_report = 1;
- set_thread_flag(TIF_MCCK_PENDING);
+ set_cpu_flag(CIF_MCCK_PENDING);
}
if (mci->w) {
/* Warning pending */
mcck->warning = 1;
- set_thread_flag(TIF_MCCK_PENDING);
+ set_cpu_flag(CIF_MCCK_PENDING);
}
nmi_exit();
}