tree d1fffa62c9f64906ef53de72d31a4d04cc94d0f6
parent d3557d96163d7d8250549a438232c5dd62d96959
author Felix Fietkau <nbd@openwrt.org> 1437259121 +0200
committer Ralf Baechle <ralf@linux-mips.org> 1438586702 +0200

MIPS: Fix sched_getaffinity with MT FPAFF enabled

p->thread.user_cpus_allowed is zero-initialized and is only filled on
the first sched_setaffinity call.

To avoid adding overhead in the task initialization codepath, simply OR
the returned mask in sched_getaffinity with p->cpus_allowed.

Cc: stable@vger.kernel.org
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/10740/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>