[PATCH 1/3] powerpc64/bpf: Store temp registers' bpf to ppc mapping

Naveen N. Rao naveen.n.rao at linux.vnet.ibm.com
Sat Jan 8 04:13:32 AEDT 2022


Jordan Niethe wrote:
> In bpf_jit_build_body(), the mapping of TMP_REG_1 and TMP_REG_2's bpf
> register to ppc register is evalulated at every use despite not
> changing. Instead, determine the ppc register once and store the result.
> This will be more useful when a later patch introduces a more complex
> mapping from bpf registers to ppc registers.
> 
> Signed-off-by: Jordan Niethe <jniethe5 at gmail.com>
> ---
>  arch/powerpc/net/bpf_jit_comp64.c | 163 +++++++++++++-----------------
>  1 file changed, 69 insertions(+), 94 deletions(-)

I know this is eons ago and this patch will need updating, but if you 
intend to revive this:
Acked-by: Naveen N. Rao <naveen.n.rao at linux.vnet.ibm.com>


Thanks,
Naveen



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