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Diffstat (limited to 'arch/s390/kernel/irq.c')
-rw-r--r--arch/s390/kernel/irq.c15
1 files changed, 8 insertions, 7 deletions
diff --git a/arch/s390/kernel/irq.c b/arch/s390/kernel/irq.c
index 0df83ecaa2e0..45393919fe61 100644
--- a/arch/s390/kernel/irq.c
+++ b/arch/s390/kernel/irq.c
@@ -138,7 +138,7 @@ void noinstr do_io_irq(struct pt_regs *regs)
struct pt_regs *old_regs = set_irq_regs(regs);
int from_idle;
- irq_enter();
+ irq_enter_rcu();
if (user_mode(regs)) {
update_timer_sys();
@@ -158,7 +158,8 @@ void noinstr do_io_irq(struct pt_regs *regs)
do_irq_async(regs, IO_INTERRUPT);
} while (MACHINE_IS_LPAR && irq_pending(regs));
- irq_exit();
+ irq_exit_rcu();
+
set_irq_regs(old_regs);
irqentry_exit(regs, state);
@@ -172,7 +173,7 @@ void noinstr do_ext_irq(struct pt_regs *regs)
struct pt_regs *old_regs = set_irq_regs(regs);
int from_idle;
- irq_enter();
+ irq_enter_rcu();
if (user_mode(regs)) {
update_timer_sys();
@@ -190,7 +191,7 @@ void noinstr do_ext_irq(struct pt_regs *regs)
do_irq_async(regs, EXT_INTERRUPT);
- irq_exit();
+ irq_exit_rcu();
set_irq_regs(old_regs);
irqentry_exit(regs, state);
@@ -204,7 +205,7 @@ static void show_msi_interrupt(struct seq_file *p, int irq)
unsigned long flags;
int cpu;
- irq_lock_sparse();
+ rcu_read_lock();
desc = irq_to_desc(irq);
if (!desc)
goto out;
@@ -223,7 +224,7 @@ static void show_msi_interrupt(struct seq_file *p, int irq)
seq_putc(p, '\n');
raw_spin_unlock_irqrestore(&desc->lock, flags);
out:
- irq_unlock_sparse();
+ rcu_read_unlock();
}
/*
@@ -341,7 +342,7 @@ static irqreturn_t do_ext_interrupt(int irq, void *dummy)
struct ext_int_info *p;
int index;
- ext_code = *(struct ext_code *) &regs->int_code;
+ ext_code.int_code = regs->int_code;
if (ext_code.code != EXT_IRQ_CLK_COMP)
set_cpu_flag(CIF_NOHZ_DELAY);