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(parent: fd2eaea) | patch
nfp: bpf: pad code with valid nops
authorJakub Kicinski <jakub.kicinski@netronome.com>
Mon, 9 Oct 2017 04:04:15 +0000 (21:04 -0700)
committerDavid S. Miller <davem@davemloft.net>
Mon, 9 Oct 2017 16:51:03 +0000 (09:51 -0700)
commit3e6f692d7f6e284d8e0f80446f81011094edef2b
tree54fbfffb46aa588cd7c4e99175ec5297ab16618ctree | snapshot
parentfd2eaea0fdb47477339c727b7cba49712a7de46ecommit | diff
nfp: bpf: pad code with valid nops

We need to append up to 8 nops after last instruction to make
sure the CPU will not fetch garbage instructions with invalid
ECC if the code store was not initialized.

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Simon Horman <simon.horman@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/ethernet/netronome/nfp/bpf/jit.c diff | blob | history
drivers/net/ethernet/netronome/nfp/nfp_asm.h diff | blob | history
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