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Commit 39854fe8 authored by Ingo Molnar's avatar Ingo Molnar
Browse files

time: ntp: clean up second_overflow() 



Impact: cleanup, no functionality changed

The 'time_adj' local variable is named in a very confusing
way because it almost shadows the 'time_adjust' global
variable - which is used in this same function.

Rename it to 'delta' - to make them stand apart more clearly.

kernel/time/ntp.o:

   text	   data	    bss	    dec	    hex	filename
   2545	    114	    144	   2803	    af3	ntp.o.before
   2545	    114	    144	   2803	    af3	ntp.o.after

md5:
   1bf0b3be564512279ba7cee299d1d2be  ntp.o.before.asm
   1bf0b3be564512279ba7cee299d1d2be  ntp.o.after.asm

Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent 069569e0

kernel/time/ntp.c

+6 −5
Original line number Diff line number Diff line
@@ -236,7 +236,7 @@ static enum hrtimer_restart ntp_leap_second(struct hrtimer *timer) 
 */

void second_overflow(void)

{

	s64 time_adj;

	s64 delta;



	/* Bump the maxerror field */

	time_maxerror += MAXFREQ / NSEC_PER_USEC;
@@ -250,9 +250,10 @@ void second_overflow(void) 
	 * reduced by a fixed factor times the time constant.

	 */

	tick_length	 = tick_length_base;

	time_adj	= shift_right(time_offset, SHIFT_PLL + time_constant);

	time_offset	-= time_adj;

	tick_length	+= time_adj;



	delta		 = shift_right(time_offset, SHIFT_PLL + time_constant);

	time_offset	-= delta;

	tick_length	+= delta;



	if (!time_adjust)

		return;