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Subject[PATCH repost] sched: export sched_set/getaffinity to modules
Author: Sridhar Samudrala <>

sched: export sched_set/getaffinity to modules

vhost-net driver wants to copy the affinity from the
owner thread to thread it creates. Export
sched_set/get affinity to modules to make this possible
when vhost is built as a module.

Signed-off-by: Sridhar Samudrala <>
Signed-off-by: Michael S. Tsirkin <>


I'm not sure the previous time made it clear what exactly is the
proposed change, so reposting. Info, Peter, could you ack merging the
following through the net-next tree please?

diff --git a/kernel/sched.c b/kernel/sched.c
index d484081..3759391 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -4744,6 +4744,7 @@ out_put_task:
return retval;

static int get_user_cpu_mask(unsigned long __user *user_mask_ptr, unsigned len,
struct cpumask *new_mask)
@@ -4807,6 +4808,7 @@ out_unlock:

return retval;

* sys_sched_getaffinity - get the cpu affinity of a process

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