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Commit 19ef9309 authored by Ingo Molnar's avatar Ingo Molnar
Browse files

printk: use ktime_get() 



printk timestamps: use ktime_get().

Some platforms have a functioning clocksource function only after
they are done with early bootup, so delay this until out of
SYSTEM_BOOTING state.

it's also inherently safe now, as any bugs in this area will be
caught by the printk recursion checks.

Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent 90739081

kernel/printk.c

+3 −1
Original line number Diff line number Diff line
@@ -702,7 +702,9 @@ asmlinkage int vprintk(const char *fmt, va_list args) 
					loglev_char = default_message_loglevel

						+ '0';

				}

				t = cpu_clock(printk_cpu);

				t = 0;

				if (system_state != SYSTEM_BOOTING)

					t = ktime_to_ns(ktime_get());

				nanosec_rem = do_div(t, 1000000000);

				tlen = sprintf(tbuf,

						"<%c>[%5lu.%06lu] ",