linux-kernel - Re: [PATCH v2 4/5] bpf: Add an iterator selftest for bpf_sk_storage

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Date:   Thu, 19 Nov 2020 16:16:54 -0800
From:   Martin KaFai Lau <kafai@...com>
To:     unlisted-recipients:; (no To-header on input)
CC:     <bpf@...r.kernel.org>, <viro@...iv.linux.org.uk>,
        <davem@...emloft.net>, <kuba@...nel.org>, <ast@...nel.org>,
        <daniel@...earbox.net>, <yhs@...com>, <andrii@...nel.org>,
        <kpsingh@...omium.org>, <revest@...gle.com>,
        <linux-kernel@...r.kernel.org>, <netdev@...r.kernel.org>
Subject: Re: [PATCH v2 4/5] bpf: Add an iterator selftest for
 bpf_sk_storage_delete

On Thu, Nov 19, 2020 at 05:26:53PM +0100, Florent Revest wrote:
> From: Florent Revest <revest@...gle.com>
> 
> The eBPF program iterates over all entries (well, only one) of a socket
> local storage map and deletes them all. The test makes sure that the
> entry is indeed deleted.
Note that if there are many entries and seq->op->stop() is called (due to
seq_has_overflowed()).  It is possible that not all of the entries will be
iterated (and deleted).  However, I think it is a more generic issue in
resuming the iteration and not specific to this series.

Acked-by: Martin KaFai Lau <kafai@...com>