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(parent: bc18c8a) | patch
bpf: x86: add missing 'shift by register' instructions to x64 eBPF JIT
authorAlexei Starovoitov <ast@plumgrid.com>
Mon, 25 Aug 2014 19:27:02 +0000 (12:27 -0700)
committerDavid S. Miller <davem@davemloft.net>
Tue, 26 Aug 2014 00:33:56 +0000 (17:33 -0700)
commit034f9859f25923fcf009b80300fac9bb5d8d681c
tree0e02d3f1fe59b146dcaf2c2c3ef62b424485af72tree | snapshot
parentbc18c8afeb3e5a40683eedfdcdbeca18ad71ec3acommit | diff
bpf: x86: add missing 'shift by register' instructions to x64 eBPF JIT

'shift by register' operations are supported by eBPF interpreter, but were
accidently left out of x64 JIT compiler. Fix it and add a testcase.

Reported-by: Brendan Gregg <brendan.d.gregg@gmail.com>
Signed-off-by: Alexei Starovoitov <ast@plumgrid.com>
Fixes: c31b78212e7f ("net: filter: x86: internal BPF JIT")
Signed-off-by: David S. Miller <davem@davemloft.net>
arch/x86/net/bpf_jit_comp.c diff | blob | history
lib/test_bpf.c diff | blob | history
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