From: Thomas Gleixner
> Sent: 21 July 2020 17:11
>
> Frederic Weisbecker <[email protected]> writes:
> > On Thu, Jul 16, 2020 at 10:19:25PM +0200, Thomas Gleixner wrote:
> >> --- a/kernel/time/posix-cpu-timers.c
> >> +++ b/kernel/time/posix-cpu-timers.c
> >> @@ -25,7 +25,7 @@ void posix_cputimers_group_init(struct p
> >> posix_cputimers_init(pct);
> >> if (cpu_limit != RLIM_INFINITY) {
> >> pct->bases[CPUCLOCK_PROF].nextevt = cpu_limit * NSEC_PER_SEC;
> >> - pct->timers_active = true;
> >> + set_bit(CPUTIMERS_ACTIVE, &pct->flags);
> >
> > I guess this one could be __set_bit().
>
> True :)
Hmmm... does this code need the bit operations to be atmomic?
If not then an bitmap is completely the wrong thing to be using.
David
-
Registered Address Lakeside, Bramley Road, Mount Farm, Milton Keynes, MK1 1PT,
UK
Registration No: 1397386 (Wales)
