| Message ID | 20201112103546.74014-1-nbd@nbd.name (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | [1/2] backports: add sched_set_fifo_low | expand |
On 11/12/20 11:35 AM, Felix Fietkau wrote: > It is needed for mt76 > > Signed-off-by: Felix Fietkau <nbd@nbd.name> > --- > backport/backport-include/linux/sched.h | 19 +++++++++++++++++++ > 1 file changed, 19 insertions(+) > create mode 100644 backport/backport-include/linux/sched.h > > diff --git a/backport/backport-include/linux/sched.h b/backport/backport-include/linux/sched.h > new file mode 100644 > index 000000000000..be77a8d771ab > --- /dev/null > +++ b/backport/backport-include/linux/sched.h > @@ -0,0 +1,19 @@ > +#ifndef __BACKPORT_LINUX_SCHED_H > +#define __BACKPORT_LINUX_SCHED_H > + > +#include_next <linux/sched.h> > +#include <linux/version.h> > + > +#if LINUX_VERSION_IS_LESS(5,9,0) > +#include <uapi/linux/sched/types.h> > + > +static inline void sched_set_fifo_low(struct task_struct *p) > +{ > + struct sched_param sparam = {.sched_priority = 1}; > + > + sched_setscheduler(p, SCHED_FIFO, &sparam); Hi Felix, The upstream kernel uses this in sched_set_fifo_low(): WARN_ON_ONCE(sched_setscheduler_nocheck(p, SCHED_FIFO, &sp) != 0); See: https://elixir.bootlin.com/linux/v5.10-rc3/source/kernel/sched/core.c#L5570 Did you change this intentionally? Hauke -- To unsubscribe from this list: send the line "unsubscribe backports" in
diff --git a/backport/backport-include/linux/sched.h b/backport/backport-include/linux/sched.h new file mode 100644 index 000000000000..be77a8d771ab --- /dev/null +++ b/backport/backport-include/linux/sched.h @@ -0,0 +1,19 @@ +#ifndef __BACKPORT_LINUX_SCHED_H +#define __BACKPORT_LINUX_SCHED_H + +#include_next <linux/sched.h> +#include <linux/version.h> + +#if LINUX_VERSION_IS_LESS(5,9,0) +#include <uapi/linux/sched/types.h> + +static inline void sched_set_fifo_low(struct task_struct *p) +{ + struct sched_param sparam = {.sched_priority = 1}; + + sched_setscheduler(p, SCHED_FIFO, &sparam); +} + +#endif + +#endif
It is needed for mt76 Signed-off-by: Felix Fietkau <nbd@nbd.name> --- backport/backport-include/linux/sched.h | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) create mode 100644 backport/backport-include/linux/sched.h