s390: use expoline thunks in the BPF JIT

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The BPF JIT need safe guarding against spectre v2 in the sk_load_xxx
assembler stubs and the indirect branches generated by the JIT itself
need to be converted to expolines.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

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Martin Schwidefsky 2018-04-23 14:31:36 +02:00

parent 6deaa3bbca

commit de5cb6eb51

2 changed files with 71 additions and 8 deletions

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16

arch/s390/net/bpf_jit.S

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63

arch/s390/net/bpf_jit_comp.c

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