uapi/linux/prctl: provide macro definitions for the PR_SCHED_CORE type argument

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Commit 7ac592aa35 ("sched: prctl() core-scheduling interface")
made use of enum pid_type in prctl's arg4; this type and the associated
enumeration definitions are not exposed to userspace.  Christian
has suggested to provide additional macro definitions that convey
the meaning of the type argument more in alignment with its actual
usage, and this patch does exactly that.

Link: https://lore.kernel.org/r/20210825170613.GA3884@asgard.redhat.com
Suggested-by: Christian Brauner <christian.brauner@ubuntu.com>
Acked-by: Christian Brauner <christian.brauner@ubuntu.com>
Signed-off-by: Eugene Syromiatnikov <esyr@redhat.com>
Complements: 7ac592aa35 ("sched: prctl() core-scheduling interface")
Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

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Eugene Syromiatnikov 2021-08-25 19:06:13 +02:00 • committed by Christian Brauner

parent 5816b3e657

commit 61bc346ce6

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3 changed files with 10 additions and 2 deletions

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5

Documentation/admin-guide/hw-vuln/core-scheduling.rst

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3

include/uapi/linux/prctl.h

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4

kernel/sched/core_sched.c

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