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(parent: da6817e) | patch
MIPS,bpf: Fix using smp_processor_id() in preemptible splat.
authorDavid Daney <david.daney@cavium.com>
Fri, 18 Aug 2017 23:40:31 +0000 (16:40 -0700)
committerDavid S. Miller <davem@davemloft.net>
Mon, 21 Aug 2017 17:31:34 +0000 (10:31 -0700)
commit8d8d18c3283f0cf72f6ac41f337d5b6f818649b6
treee4e5f9774658c3af9b9466b96e1c0f459b1c93f0tree | snapshot
parentda6817ebc353c54c5e74676418bfa77d13e64159commit | diff
MIPS,bpf: Fix using smp_processor_id() in preemptible splat.

If the kernel is configured with preemption enabled we were getting
warning stack traces for use of current_cpu_type().

Fix by moving the test between preempt_disable()/preempt_enable() and
caching the results of the CPU type tests for use during code
generation.

Signed-off-by: David Daney <david.daney@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
arch/mips/net/ebpf_jit.c diff | blob | history
Domain: System / Kernel;