linux-kernel - Re: [PATCH v2 0/4] bpf: Add user-space-publisher ringbuffer map type

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Message-ID: <YvWX9GrJuTYfjjlK@maniforge.dhcp.thefacebook.com>
Date:   Thu, 11 Aug 2022 18:59:48 -0500
From:   David Vernet <void@...ifault.com>
To:     bpf@...r.kernel.org, andrii@...nel.org, ast@...nel.org,
        daniel@...earbox.net
Cc:     haoluo@...gle.com, joannelkoong@...il.com,
        john.fastabend@...il.com, jolsa@...nel.org, kpsingh@...nel.org,
        linux-kernel@...r.kernel.org, martin.lau@...ux.dev, sdf@...gle.com,
        song@...nel.org, yhs@...com, kernel-team@...com, tj@...nel.org
Subject: Re: [PATCH v2 0/4] bpf: Add user-space-publisher ringbuffer map type

On Thu, Aug 11, 2022 at 06:49:37PM -0500, David Vernet wrote:
> This patch set defines a new map type, BPF_MAP_TYPE_USER_RINGBUF, which
> provides single-user-space-producer / single-kernel-consumer semantics over
> a ringbuffer.  Along with the new map type, a helper function called
> bpf_user_ringbuf_drain() is added which allows a BPF program to specify a
> callback with the following signature, to which samples are posted by the
> helper:

[...]

I just noticed that Andrii left some comments on v1 about 20 mins ago.
Please disregard this version -- I'll apply Andrii's comments and then send
out a follow on v3 version.