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(parent: b638790) | patch
arm64: bpf: fix JIT frame pointer setup
authorYang Shi <yang.shi@linaro.org>
Thu, 12 Nov 2015 21:57:00 +0000 (13:57 -0800)
committerDavid S. Miller <davem@davemloft.net>
Mon, 16 Nov 2015 19:38:42 +0000 (14:38 -0500)
commit0aae7b1d7021ffe9393113092661daafa4465d00
tree8f39ef257eb47c668f0f4643856aa48e109f9bedtree | snapshot
parentb638790251b75e1e0ccc8893c3d1886120817b95commit | diff
arm64: bpf: fix JIT frame pointer setup

BPF fp should point to the top of the BPF prog stack. The original
implementation made it point to the bottom incorrectly.
Move A64_SP to fp before reserve BPF prog stack space.

CC: Zi Shen Lim <zlim.lnx@gmail.com>
CC: Xi Wang <xi.wang@gmail.com>
Signed-off-by: Yang Shi <yang.shi@linaro.org>
Reviewed-by: Zi Shen Lim <zlim.lnx@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
arch/arm64/net/bpf_jit_comp.c diff | blob | history
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