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| author | Toshiaki Makita <toshiaki.makita1@gmail.com> | 2019-06-14 11:20:15 +0300 |
|---|---|---|
| committer | Daniel Borkmann <daniel@iogearbox.net> | 2019-06-15 01:58:51 +0300 |
| commit | 86723c8640633bee4b4588d3c7784ee7a0032f65 (patch) | |
| tree | 9cb58b03a94f6b16c7ebc41ceb88f5579bea1ff8 /arch/x86/net | |
| parent | edabf4d9dd905acd60048ea1579943801e3a4876 (diff) | |
| download | linux-86723c8640633bee4b4588d3c7784ee7a0032f65.tar.xz | |
bpf, devmap: Add missing RCU read lock on flush
.ndo_xdp_xmit() assumes it is called under RCU. For example virtio_net
uses RCU to detect it has setup the resources for tx. The assumption
accidentally broke when introducing bulk queue in devmap.
Fixes: 5d053f9da431 ("bpf: devmap prepare xdp frames for bulking")
Reported-by: David Ahern <dsahern@gmail.com>
Signed-off-by: Toshiaki Makita <toshiaki.makita1@gmail.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Diffstat (limited to 'arch/x86/net')
0 files changed, 0 insertions, 0 deletions