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SubjectRe: [PATCH 5.4 49/52] powerpc/bpf: Fix BPF_MOD when imm == 1
On Mon, Oct 11, 2021 at 08:24:30PM +0200, Christophe Leroy wrote:
>
>
>Le 11/10/2021 à 19:33, Naresh Kamboju a écrit :
>>stable-rc 5.4 build failed due this patch.
>> - powerpc gcc-10-defconfig - FAILED
>> - powerpc gcc-11-defconfig - FAILED
>> - powerpc gcc-8-defconfig - FAILED
>> - powerpc gcc-9-defconfig - FAILED
>>
>>
>>On Mon, 11 Oct 2021 at 19:28, Greg Kroah-Hartman
>><gregkh@linuxfoundation.org> wrote:
>>>
>>>From: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
>>>
>>>[ Upstream commit 8bbc9d822421d9ac8ff9ed26a3713c9afc69d6c8 ]
>>>
>>>Only ignore the operation if dividing by 1.
>>
>><trim>
>>
>>In file included from arch/powerpc/net/bpf_jit64.h:11,
>> from arch/powerpc/net/bpf_jit_comp64.c:19:
>>arch/powerpc/net/bpf_jit_comp64.c: In function 'bpf_jit_build_body':
>>arch/powerpc/net/bpf_jit_comp64.c:415:46: error: implicit declaration
>>of function 'PPC_RAW_LI'; did you mean 'PPC_RLWIMI'?
>
>PPC_RAW_LI() was added by commit 3a1812379163 ("powerpc/ppc-opcode:
>Consolidate powerpc instructions from bpf_jit.h")
>
>Priori to that you have to use PPC_LI() instead, with the same arguments.

I think that I forgot to reply: I've pushed a fixed patch resolved as
proposed above.

--
Thanks,
Sasha

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