From: Yonghong Song <yonghong.song@linux.dev>
To: "Pu Lehui" <pulehui@huawei.com>,
"Shubham Bansal" <illusionist.neo@gmail.com>,
"Johan Almbladh" <johan.almbladh@anyfinetworks.com>,
"Paul Burton" <paulburton@kernel.org>,
"Jakub Kicinski" <kuba@kernel.org>,
"Naveen N. Rao" <naveen.n.rao@linux.ibm.com>,
"Michael Ellerman" <mpe@ellerman.id.au>,
"Luke Nelson" <luke.r.nels@gmail.com>,
"Xi Wang" <xi.wang@gmail.com>, "Björn Töpel" <bjorn@kernel.org>,
"Ilya Leoshkevich" <iii@linux.ibm.com>,
"Heiko Carstens" <hca@linux.ibm.com>,
"Vasily Gorbik" <gor@linux.ibm.com>,
"David S. Miller" <davem@davemloft.net>,
"Wang YanQing" <udknight@gmail.com>
Cc: Alexei Starovoitov <ast@kernel.org>,
Daniel Borkmann <daniel@iogearbox.net>,
Andrii Nakryiko <andrii@kernel.org>,
Martin KaFai Lau <martin.lau@kernel.org>,
bpf <bpf@vger.kernel.org>
Subject: Re: bpf: Request to add -mcpu=v4 support for ARM/MIPS/NFP/POWERPC/RISCV/S390/SPARC/X86_32
Date: Sun, 20 Aug 2023 21:36:06 -0700 [thread overview]
Message-ID: <f4317426-dae6-a81e-38bb-566064f01666@linux.dev> (raw)
In-Reply-To: <13f54b2a-0f52-325a-d138-981fc4896908@huawei.com>
On 8/20/23 7:23 PM, Pu Lehui wrote:
> Alright, riscv64 is already being adapted, will be sent soon.
Thanks! Looking forward to the patch set.
>
> On 2023/8/20 9:41, Yonghong Song wrote:
>> Hi,
>>
>> A new set of bpf insns have been recently added in llvm with flag
>> [-mcpu=v4](https://reviews.llvm.org/D144829). In the kernel,
>> x86_64 and arm64 have implemented -mcpu=v4 support:
>> x86_64:
>> https://lore.kernel.org/all/20230728011143.3710005-1-yonghong.song@linux.dev/
>> arm64:
>> https://lore.kernel.org/bpf/20230815154158.717901-1-xukuohai@huaweicloud.com/
>>
>> The following arch's do not have -mcpu=v4 support yet:
>> arm, mips, nfp, powerpc, riscv, sc90, sparc and x86_32
>>
>> If you have a chance, could you take a look at what
>> x86_64/arm64 does and add support to the above arch'es?
>>
>> Thanks!
>>
>> Yonghong
>>
next prev parent reply other threads:[~2023-08-21 4:36 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-08-20 1:41 bpf: Request to add -mcpu=v4 support for ARM/MIPS/NFP/POWERPC/RISCV/S390/SPARC/X86_32 Yonghong Song
2023-08-21 2:23 ` Pu Lehui
2023-08-21 4:36 ` Yonghong Song [this message]
2023-08-21 19:47 ` Jakub Kicinski
2023-08-22 10:06 ` Louis Peens
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