bpf: take advantage of stack_depth tracking in powerpc JIT

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Take advantage of stack_depth tracking, originally introduced for
x64, in powerpc JIT as well. Round up allocated stack by 16 bytes
to make sure it stays aligned for functions called from JITed bpf
program.

Signed-off-by: Sandipan Das <sandipan@linux.vnet.ibm.com>
Reviewed-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

...

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Sandipan Das 2017-09-02 00:23:01 +05:30 • committed by Michael Ellerman

parent 632f057416

commit ac0761ebcb

2 changed files with 14 additions and 9 deletions

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7

arch/powerpc/net/bpf_jit64.h

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16

arch/powerpc/net/bpf_jit_comp64.c

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