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authorThomas Gleixner <tglx@linutronix.de>2020-02-24 15:01:42 +0100
committerAlexei Starovoitov <ast@kernel.org>2020-02-24 16:20:09 -0800
commit37e1d9202225635772b32e340294208367279c2b (patch)
treefa994e5de8abf9a7007d9a11d67460b78cdefa2a /net/kcm
parent3c58482a382bae89410439247152eb342e9872f7 (diff)
bpf: Replace cant_sleep() with cant_migrate()
As already discussed in the previous change which introduced BPF_RUN_PROG_PIN_ON_CPU() BPF only requires to disable migration to guarantee per CPUness. If RT substitutes the preempt disable based migration protection then the cant_sleep() check will obviously trigger as preemption is not disabled. Replace it by cant_migrate() which maps to cant_sleep() on a non RT kernel and will verify that migration is disabled on a full RT kernel. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Link: https://lore.kernel.org/bpf/20200224145643.583038889@linutronix.de
Diffstat (limited to 'net/kcm')
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