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authorDaniel Borkmann <daniel@iogearbox.net>2016-04-13 00:10:52 +0200
committerDavid S. Miller <davem@davemloft.net>2016-04-14 21:40:41 -0400
commit074f528eed408b467516e142fa4c45e5b0d2ba16 (patch)
treee42352604c4f0db159881faff4b7cef49393d878 /samples
parent435faee1aae9c1ac231f89e4faf0437bfe29f425 (diff)
downloadlinux-074f528eed408b467516e142fa4c45e5b0d2ba16.tar.gz
bpf: convert relevant helper args to ARG_PTR_TO_RAW_STACK
This patch converts all helpers that can use ARG_PTR_TO_RAW_STACK as argument type. For tc programs this is bpf_skb_load_bytes(), bpf_skb_get_tunnel_key(), bpf_skb_get_tunnel_opt(). For tracing, this optimizes bpf_get_current_comm() and bpf_probe_read(). The check in bpf_skb_load_bytes() for MAX_BPF_STACK can also be removed since the verifier already makes sure we stay within bounds on stack buffers. Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'samples')
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