diff options
| author | Frederic Weisbecker <frederic@kernel.org> | 2020-12-02 14:57:28 +0300 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2020-12-02 22:20:04 +0300 |
| commit | 7197688b2006357da75a014e0a76be89ca9c2d46 (patch) | |
| tree | 0c56a5d7952aa81e525dcaf30d0383834c1768b7 | |
| parent | 4615fbc3788ddc8e7c6d697714ad35a53729aa2c (diff) | |
| download | linux-7197688b2006357da75a014e0a76be89ca9c2d46.tar.xz | |
sched/cputime: Remove symbol exports from IRQ time accounting
account_irq_enter_time() and account_irq_exit_time() are not called
from modules. EXPORT_SYMBOL_GPL() can be safely removed from the IRQ
cputime accounting functions called from there.
Signed-off-by: Frederic Weisbecker <frederic@kernel.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20201202115732.27827-2-frederic@kernel.org
| -rw-r--r-- | arch/s390/kernel/vtime.c | 10 | ||||
| -rw-r--r-- | kernel/sched/cputime.c | 2 |
2 files changed, 5 insertions, 7 deletions
diff --git a/arch/s390/kernel/vtime.c b/arch/s390/kernel/vtime.c index 8df10d3c8f6c..f9f2a11958a5 100644 --- a/arch/s390/kernel/vtime.c +++ b/arch/s390/kernel/vtime.c @@ -226,7 +226,7 @@ void vtime_flush(struct task_struct *tsk) * Update process times based on virtual cpu times stored by entry.S * to the lowcore fields user_timer, system_timer & steal_clock. */ -void vtime_account_irq_enter(struct task_struct *tsk) +void vtime_account_kernel(struct task_struct *tsk) { u64 timer; @@ -245,12 +245,12 @@ void vtime_account_irq_enter(struct task_struct *tsk) virt_timer_forward(timer); } -EXPORT_SYMBOL_GPL(vtime_account_irq_enter); - -void vtime_account_kernel(struct task_struct *tsk) -__attribute__((alias("vtime_account_irq_enter"))); EXPORT_SYMBOL_GPL(vtime_account_kernel); +void vtime_account_irq_enter(struct task_struct *tsk) +__attribute__((alias("vtime_account_kernel"))); + + /* * Sorted add to a list. List is linear searched until first bigger * element is found. diff --git a/kernel/sched/cputime.c b/kernel/sched/cputime.c index 5a55d2300452..61ce9f9bf0a3 100644 --- a/kernel/sched/cputime.c +++ b/kernel/sched/cputime.c @@ -71,7 +71,6 @@ void irqtime_account_irq(struct task_struct *curr) else if (in_serving_softirq() && curr != this_cpu_ksoftirqd()) irqtime_account_delta(irqtime, delta, CPUTIME_SOFTIRQ); } -EXPORT_SYMBOL_GPL(irqtime_account_irq); static u64 irqtime_tick_accounted(u64 maxtime) { @@ -434,7 +433,6 @@ void vtime_account_irq_enter(struct task_struct *tsk) else vtime_account_kernel(tsk); } -EXPORT_SYMBOL_GPL(vtime_account_irq_enter); #endif /* __ARCH_HAS_VTIME_ACCOUNT */ void cputime_adjust(struct task_cputime *curr, struct prev_cputime *prev, |