From: Yang Jihong <yangjihong1@huawei.com>
To: "Russell King (Oracle)" <linux@armlinux.org.uk>
Cc: <ast@kernel.org>, <daniel@iogearbox.net>, <andrii@kernel.org>,
<martin.lau@linux.dev>, <song@kernel.org>, <yhs@fb.com>,
<john.fastabend@gmail.com>, <kpsingh@kernel.org>,
<sdf@google.com>, <haoluo@google.com>, <jolsa@kernel.org>,
<illusionist.neo@gmail.com>, <davem@davemloft.net>,
<edumazet@google.com>, <kuba@kernel.org>, <pabeni@redhat.com>,
<mykolal@fb.com>, <shuah@kernel.org>,
<benjamin.tissoires@redhat.com>, <memxor@gmail.com>,
<asavkov@redhat.com>, <delyank@fb.com>, <bpf@vger.kernel.org>,
<linux-arm-kernel@lists.infradead.org>,
<linux-kernel@vger.kernel.org>, <netdev@vger.kernel.org>,
<linux-kselftest@vger.kernel.org>
Subject: Re: [PATCH bpf v2 4/5] bpf: Add kernel function call support in 32-bit ARM for EABI
Date: Tue, 8 Nov 2022 08:52:54 +0800 [thread overview]
Message-ID: <8469b2d5-276b-9715-cf62-a5a724d438d7@huawei.com> (raw)
In-Reply-To: <Y2j7J9mJxmKJ4ZpP@shell.armlinux.org.uk>
Hello,
On 2022/11/7 20:33, Russell King (Oracle) wrote:
> On Mon, Nov 07, 2022 at 05:20:31PM +0800, Yang Jihong wrote:
>> +bool bpf_jit_supports_kfunc_call(void)
>> +{
>> + return true;
>
> It would be far cleaner to make this:
>
> return IS_ENABLED(CONFIG_AEABI);
>
> So userspace knows that it isn't supported on OABI.
>
Thanks for the suggestion, will change.
Thanks,
Yang
.
next prev parent reply other threads:[~2022-11-08 0:53 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-11-07 9:20 [PATCH bpf v2 0/5] bpf: Support kernel function call in 32-bit ARM Yang Jihong
2022-11-07 9:20 ` [PATCH bpf v2 1/5] bpf: Adapt 32-bit return value kfunc for 32-bit ARM when zext extension Yang Jihong
2022-11-08 23:12 ` Martin KaFai Lau
2022-11-26 9:45 ` Yang Jihong
2022-11-07 9:20 ` [PATCH bpf v2 2/5] bpf: Adjust sk size check for sk in bpf_skb_is_valid_access for CO_RE in 32-bit arch Yang Jihong
2022-11-07 9:20 ` [PATCH bpf v2 3/5] libbpf: Skip adjust mem size for load pointer in 32-bit arch in CO_RE Yang Jihong
2022-11-08 1:22 ` Andrii Nakryiko
2022-11-08 2:44 ` Yang Jihong
2022-11-07 9:20 ` [PATCH bpf v2 4/5] bpf: Add kernel function call support in 32-bit ARM for EABI Yang Jihong
2022-11-07 12:33 ` Russell King (Oracle)
2022-11-08 0:52 ` Yang Jihong [this message]
2022-11-07 9:20 ` [PATCH bpf v2 5/5] bpf:selftests: Add kfunc_call test for mixing 32-bit and 64-bit parameters Yang Jihong
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