Messages in this thread | | | Date | Fri, 25 Mar 2016 09:48:47 +0100 | From | Ingo Molnar <> | Subject | Re: [PATCH 0/3] nohz: Convert tick dependency mask to atomic_t |
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* Frederic Weisbecker <fweisbec@gmail.com> wrote:
> As per Linus suggestion, lets convert the tick dependency mask to > atomic_t. Introduce atomic_fetch_or() and confine fetch_or() back to > scheduler guts. > > git://git.kernel.org/pub/scm/linux/kernel/git/frederic/linux-dynticks.git > timers/nohz > > HEAD: 7b7e5da5733f58668181077ec394a718e08c392c > > Thanks, > Frederic > --- > > Frederic Weisbecker (3): > atomic: Introduce atomic_fetch_or > nohz: Convert tick dependency mask to atomic_t > Revert "atomic: Export fetch_or()" > > > include/linux/atomic.h | 34 +++++++++++++-------------- > include/linux/sched.h | 4 ++-- > kernel/sched/core.c | 18 ++++++++++++++ > kernel/time/tick-sched.c | 61 ++++++++++++++++++++++++------------------------ > kernel/time/tick-sched.h | 2 +- > 5 files changed, 68 insertions(+), 51 deletions(-)
Could you please also convert the sched/core.c usage, so that we can get rid of the private fetch_or() definition? Please also double check that it does not result in worse code generation.
Thanks,
Ingo
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