diff options
Diffstat (limited to 'drivers/s390/cio/cio.c')
| -rw-r--r-- | drivers/s390/cio/cio.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/s390/cio/cio.c b/drivers/s390/cio/cio.c index 2e2882d..8936e46 100644 --- a/drivers/s390/cio/cio.c +++ b/drivers/s390/cio/cio.c @@ -19,6 +19,7 @@ #include <asm/cio.h> #include <asm/delay.h> #include <asm/irq.h> +#include <asm/irq_regs.h> #include <asm/setup.h> #include "airq.h" #include "cio.h" @@ -606,15 +607,17 @@ do_IRQ (struct pt_regs *regs) struct tpi_info *tpi_info; struct subchannel *sch; struct irb *irb; + struct pt_regs *old_regs; - irq_enter (); + old_regs = set_irq_regs(regs); + irq_enter(); asm volatile ("mc 0,0"); if (S390_lowcore.int_clock >= S390_lowcore.jiffy_timer) /** * Make sure that the i/o interrupt did not "overtake" * the last HZ timer interrupt. */ - account_ticks(regs); + account_ticks(); /* * Get interrupt information from lowcore */ @@ -652,7 +655,8 @@ do_IRQ (struct pt_regs *regs) * out of the sie which costs more cycles than it saves. */ } while (!MACHINE_IS_VM && tpi (NULL) != 0); - irq_exit (); + irq_exit(); + set_irq_regs(old_regs); } #ifdef CONFIG_CCW_CONSOLE |
