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Merge branch 'rework/misc-cleanups' into for-linus

This commit is contained in:
Petr Mladek 2023-11-02 13:00:34 +01:00
parent adb982ad4b 29fda1ad2a
commit 86098bcdde
1 changed files with 13 additions and 13 deletions
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26
kernel/printk/printk.c
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@ -3727,7 +3727,8 @@ late_initcall(printk_late_init);
/* If @con is specified, only wait for that console. Otherwise wait for all. */
static bool __pr_flush(struct console *con, int timeout_ms, bool reset_on_progress)
{
int remaining = timeout_ms;
unsigned long timeout_jiffies = msecs_to_jiffies(timeout_ms);
unsigned long remaining_jiffies = timeout_jiffies;
struct console *c;
u64 last_diff = 0;
u64 printk_seq;
@ -3744,6 +3745,9 @@ static bool __pr_flush(struct console *con, int timeout_ms, bool reset_on_progre
console_unlock();
for (;;) {
unsigned long begin_jiffies;
unsigned long slept_jiffies;
diff = 0;
/*
@ -3772,24 +3776,20 @@ static bool __pr_flush(struct console *con, int timeout_ms, bool reset_on_progre
console_srcu_read_unlock(cookie);
if (diff != last_diff && reset_on_progress)
remaining = timeout_ms;
remaining_jiffies = timeout_jiffies;
console_unlock();
/* Note: @diff is 0 if there are no usable consoles. */
if (diff == 0 || remaining == 0)
if (diff == 0 || remaining_jiffies == 0)
break;
if (remaining < 0) {
/* no timeout limit */
msleep(100);
} else if (remaining < 100) {
msleep(remaining);
remaining = 0;
} else {
msleep(100);
remaining -= 100;
}
/* msleep(1) might sleep much longer. Check time by jiffies. */
begin_jiffies = jiffies;
msleep(1);
slept_jiffies = jiffies - begin_jiffies;
remaining_jiffies -= min(slept_jiffies, remaining_jiffies);
last_diff = diff;
}