From: Ingo Molnar Date: Fri, 3 Jul 2009 08:30:16 -0500 Subject: input: gameport: Do not disable interrupts on PREEMPT_RT Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz Use the _nort() primitives. Signed-off-by: Ingo Molnar Signed-off-by: Thomas Gleixner --- drivers/input/gameport/gameport.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) --- a/drivers/input/gameport/gameport.c +++ b/drivers/input/gameport/gameport.c @@ -91,13 +91,13 @@ static int gameport_measure_speed(struct tx = ~0; for (i = 0; i < 50; i++) { - local_irq_save(flags); + local_irq_save_nort(flags); t1 = ktime_get_ns(); for (t = 0; t < 50; t++) gameport_read(gameport); t2 = ktime_get_ns(); t3 = ktime_get_ns(); - local_irq_restore(flags); + local_irq_restore_nort(flags); udelay(i * 10); t = (t2 - t1) - (t3 - t2); if (t < tx) @@ -124,12 +124,12 @@ static int old_gameport_measure_speed(st tx = 1 << 30; for(i = 0; i < 50; i++) { - local_irq_save(flags); + local_irq_save_nort(flags); GET_TIME(t1); for (t = 0; t < 50; t++) gameport_read(gameport); GET_TIME(t2); GET_TIME(t3); - local_irq_restore(flags); + local_irq_restore_nort(flags); udelay(i * 10); if ((t = DELTA(t2,t1) - DELTA(t3,t2)) < tx) tx = t; } @@ -148,11 +148,11 @@ static int old_gameport_measure_speed(st tx = 1 << 30; for(i = 0; i < 50; i++) { - local_irq_save(flags); + local_irq_save_nort(flags); t1 = rdtsc(); for (t = 0; t < 50; t++) gameport_read(gameport); t2 = rdtsc(); - local_irq_restore(flags); + local_irq_restore_nort(flags); udelay(i * 10); if (t2 - t1 < tx) tx = t2 - t1; }