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(parent: ba8e364) | patch
s390: use expoline thunks in the BPF JIT
authorMartin Schwidefsky <schwidefsky@de.ibm.com>
Wed, 23 May 2018 16:22:31 +0000 (18:22 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 25 May 2018 14:46:08 +0000 (16:46 +0200)
commitedbfba1070fa4a7276e07e647023e9790316e25b
tree0d78c39e54d49b683a060502645b15df74e9eddetree | snapshot
parentba8e36486b813c27d45779ee80af1b5207c0b19ccommit | diff
s390: use expoline thunks in the BPF JIT

[ Upstream commit de5cb6eb514ebe241e3edeb290cb41deb380b81d ]

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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
arch/s390/net/bpf_jit.S diff | blob | history
arch/s390/net/bpf_jit_comp.c diff | blob | history
Linux kernels and configurations used by Zygo.