s390/bpf: take advantage of stack_depth tracking

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Make use of the "stack_depth" tracking feature introduced with
commit 8726679a0f ("bpf: teach verifier to track stack depth") for the
s390 JIT, so that stack usage can be reduced.

Signed-off-by: Michael Holzheu <holzheu@linux.vnet.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>

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Michael Holzheu 2017-11-07 19:16:25 +01:00 • committed by Heiko Carstens

parent 22841cea1a

commit 78372709bf

2 changed files with 18 additions and 15 deletions

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7

arch/s390/net/bpf_jit.h

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26

arch/s390/net/bpf_jit_comp.c

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