We can safely use the preempt-unsafe accessors for irqtime when we
flush its counters to kcpustat as IRQs are disabled at this time.
Reviewed-by: Rik van Riel <r...@redhat.com>
Cc: Paolo Bonzini <pbonz...@redhat.com>
Cc: Wanpeng Li <wanpeng...@hotmail.com>
Cc: Mike Galbraith <efa...@gmx.de>
Cc: Peter Zijlstra <pet...@infradead.org>
Cc: Ingo Molnar <mi...@kernel.org>
Cc: Eric Dumazet <eric.duma...@gmail.com>
Cc: Rik van Riel <r...@redhat.com>
Signed-off-by: Frederic Weisbecker <fweis...@gmail.com>
---
kernel/sched/cputime.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/kernel/sched/cputime.c b/kernel/sched/cputime.c
index b93c72d..f111076 100644
--- a/kernel/sched/cputime.c
+++ b/kernel/sched/cputime.c
@@ -82,7 +82,7 @@ static cputime_t irqtime_account_hi_update(cputime_t maxtime)
cputime_t irq_cputime;
local_irq_save(flags);
- irq_cputime = nsecs_to_cputime64(this_cpu_read(cpu_hardirq_time)) -
+ irq_cputime = nsecs_to_cputime64(__this_cpu_read(cpu_hardirq_time)) -
cpustat[CPUTIME_IRQ];
irq_cputime = min(irq_cputime, maxtime);
cpustat[CPUTIME_IRQ] += irq_cputime;
@@ -97,7 +97,7 @@ static cputime_t irqtime_account_si_update(cputime_t maxtime)
cputime_t softirq_cputime;
local_irq_save(flags);
- softirq_cputime = nsecs_to_cputime64(this_cpu_read(cpu_softirq_time)) -
+ softirq_cputime = nsecs_to_cputime64(__this_cpu_read(cpu_softirq_time))
-
cpustat[CPUTIME_SOFTIRQ];
softirq_cputime = min(softirq_cputime, maxtime);
cpustat[CPUTIME_SOFTIRQ] += softirq_cputime;
--
2.7.4
