From: Song Liu <songliubraving@fb.com>
To: Pedro Tammela <pctammela@gmail.com>
Cc: Pedro Tammela <pctammela@mojatatu.com>,
Alexei Starovoitov <ast@kernel.org>,
Daniel Borkmann <daniel@iogearbox.net>,
Andrii Nakryiko <andrii@kernel.org>, Martin Lau <kafai@fb.com>,
Yonghong Song <yhs@fb.com>,
John Fastabend <john.fastabend@gmail.com>,
KP Singh <kpsingh@kernel.org>, Shuah Khan <shuah@kernel.org>,
Joe Stringer <joe@cilium.io>,
Quentin Monnet <quentin@isovalent.com>,
Yang Li <yang.lee@linux.alibaba.com>,
"netdev@vger.kernel.org" <netdev@vger.kernel.org>,
"bpf@vger.kernel.org" <bpf@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-kselftest@vger.kernel.org"
<linux-kselftest@vger.kernel.org>
Subject: Re: [PATCH bpf-next] bpf: add 'BPF_RB_MAY_WAKEUP' flag
Date: Mon, 29 Mar 2021 16:05:14 +0000 [thread overview]
Message-ID: <6C4369B6-4ECF-4764-8084-F38310642D09@fb.com> (raw)
In-Reply-To: <20210328161055.257504-1-pctammela@mojatatu.com>
> On Mar 28, 2021, at 9:10 AM, Pedro Tammela <pctammela@gmail.com> wrote:
>
> The current way to provide a no-op flag to 'bpf_ringbuf_submit()',
> 'bpf_ringbuf_discard()' and 'bpf_ringbuf_output()' is to provide a '0'
> value.
>
> A '0' value might notify the consumer if it already caught up in processing,
> so let's provide a more descriptive notation for this value.
>
> Signed-off-by: Pedro Tammela <pctammela@mojatatu.com>
Acked-by: Song Liu <songliubraving@fb.com>
next prev parent reply other threads:[~2021-03-29 16:06 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-28 16:10 [PATCH bpf-next] bpf: add 'BPF_RB_MAY_WAKEUP' flag Pedro Tammela
2021-03-28 16:10 ` [PATCH bpf-next] bpf: check flags in 'bpf_ringbuf_discard()' and 'bpf_ringbuf_submit()' Pedro Tammela
2021-03-29 16:10 ` Song Liu
2021-03-30 14:22 ` Pedro Tammela
2021-03-30 18:12 ` Song Liu
2021-03-31 6:58 ` Andrii Nakryiko
2021-03-28 16:10 ` [PATCH bpf-next] libbpf: Add '_wait()' and '_nowait()' macros for 'bpf_ring_buffer__poll()' Pedro Tammela
2021-03-29 16:28 ` Song Liu
2021-03-31 18:59 ` Andrii Nakryiko
2021-03-29 16:05 ` Song Liu [this message]
2021-03-31 6:53 ` [PATCH bpf-next] bpf: add 'BPF_RB_MAY_WAKEUP' flag Andrii Nakryiko
2021-04-03 13:34 ` Pedro Tammela
2021-04-03 15:51 ` Andrii Nakryiko
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