On Fri, Jun 22, 2018 at 9:54 AM, Geert Uytterhoeven <[email protected]> wrote: > For the common cases where 1000 is a multiple of HZ, or HZ is a multiple > of 1000, jiffies_to_msecs() never returns zero when passed a non-zero > time period. > > However, if HZ > 1000 and not an integer multiple of 1000 (e.g. 1024 or > 1200, as used on alpha and DECstation), jiffies_to_msecs() may return > zero for small non-zero time periods. This may break code that relies > on receiving back a non-zero value. > > jiffies_to_usecs() does not need such a fix, as <linux/jiffies.h> does > not support values of HZ larger than 12287, thus rejecting any > problematic huge values of HZ. > > Signed-off-by: Geert Uytterhoeven <[email protected]> > ---
Looks good to me, Reviewed-by: Arnd Bergmann <[email protected]>
