diff options
Diffstat (limited to 'arch/s390/lib')
| -rw-r--r-- | arch/s390/lib/Makefile | 2 | ||||
| -rw-r--r-- | arch/s390/lib/delay.c | 7 | ||||
| -rw-r--r-- | arch/s390/lib/div64.c | 2 |
3 files changed, 8 insertions, 3 deletions
diff --git a/arch/s390/lib/Makefile b/arch/s390/lib/Makefile index 7a44fed21b35..59aea65ce99f 100644 --- a/arch/s390/lib/Makefile +++ b/arch/s390/lib/Makefile @@ -5,6 +5,6 @@ EXTRA_AFLAGS := -traditional lib-y += delay.o string.o uaccess_std.o uaccess_pt.o qrnnd.o -lib-$(CONFIG_32BIT) += div64.o +obj-$(CONFIG_32BIT) += div64.o lib-$(CONFIG_64BIT) += uaccess_mvcos.o lib-$(CONFIG_SMP) += spinlock.o diff --git a/arch/s390/lib/delay.c b/arch/s390/lib/delay.c index 02854449b74b..70f2a862b670 100644 --- a/arch/s390/lib/delay.c +++ b/arch/s390/lib/delay.c @@ -15,6 +15,7 @@ #include <linux/delay.h> #include <linux/timex.h> #include <linux/irqflags.h> +#include <linux/interrupt.h> void __delay(unsigned long loops) { @@ -35,7 +36,11 @@ void __udelay(unsigned long usecs) { u64 end, time, jiffy_timer = 0; unsigned long flags, cr0, mask, dummy; + int irq_context; + irq_context = in_interrupt(); + if (!irq_context) + local_bh_disable(); local_irq_save(flags); if (raw_irqs_disabled_flags(flags)) { jiffy_timer = S390_lowcore.jiffy_timer; @@ -62,6 +67,8 @@ void __udelay(unsigned long usecs) __ctl_load(cr0, 0, 0); S390_lowcore.jiffy_timer = jiffy_timer; } + if (!irq_context) + _local_bh_enable(); set_clock_comparator(S390_lowcore.jiffy_timer); local_irq_restore(flags); } diff --git a/arch/s390/lib/div64.c b/arch/s390/lib/div64.c index 0481f3424a13..a5f8300bf3ee 100644 --- a/arch/s390/lib/div64.c +++ b/arch/s390/lib/div64.c @@ -147,5 +147,3 @@ uint32_t __div64_32(uint64_t *n, uint32_t base) } #endif /* MARCH_G5 */ - -EXPORT_SYMBOL(__div64_32); |