mirror of
https://github.com/torvalds/linux
synced 2024-07-08 20:29:39 +00:00
56cc7b8acf
There are no more users of xtime_update aside from legacy_timer_tick(), so fold it into that function and remove the declaration. update_process_times() is now only called inside of the kernel/time/ code, so the declaration can be moved there. Reviewed-by: Geert Uytterhoeven <geert@linux-m68k.org> Tested-by: Geert Uytterhoeven <geert@linux-m68k.org> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
38 lines
999 B
C
38 lines
999 B
C
// SPDX-License-Identifier: GPL-2.0
|
|
/*
|
|
* Timer tick function for architectures that lack generic clockevents,
|
|
* consolidated here from m68k/ia64/parisc/arm.
|
|
*/
|
|
|
|
#include <linux/irq.h>
|
|
#include <linux/profile.h>
|
|
#include <linux/timekeeper_internal.h>
|
|
|
|
#include "tick-internal.h"
|
|
|
|
/**
|
|
* legacy_timer_tick() - advances the timekeeping infrastructure
|
|
* @ticks: number of ticks, that have elapsed since the last call.
|
|
*
|
|
* This is used by platforms that have not been converted to
|
|
* generic clockevents.
|
|
*
|
|
* If 'ticks' is zero, the CPU is not handling timekeeping, so
|
|
* only perform process accounting and profiling.
|
|
*
|
|
* Must be called with interrupts disabled.
|
|
*/
|
|
void legacy_timer_tick(unsigned long ticks)
|
|
{
|
|
if (ticks) {
|
|
raw_spin_lock(&jiffies_lock);
|
|
write_seqcount_begin(&jiffies_seq);
|
|
do_timer(ticks);
|
|
write_seqcount_end(&jiffies_seq);
|
|
raw_spin_unlock(&jiffies_lock);
|
|
update_wall_time();
|
|
}
|
|
update_process_times(user_mode(get_irq_regs()));
|
|
profile_tick(CPU_PROFILING);
|
|
}
|