From: Yonghong Song <yonghong.song@linux.dev>
To: Andrey Grafin <conquistador@yandex-team.ru>, bpf@vger.kernel.org
Cc: andrii@kernel.org
Subject: Re: [PATCH bpf v4 1/2] libbpf: Apply map_set_def_max_entries() for inner_maps on creation
Date: Tue, 16 Jan 2024 10:44:26 -0800 [thread overview]
Message-ID: <98222fd4-394a-43e3-bf03-3fe8d660f2c3@linux.dev> (raw)
In-Reply-To: <20240116140131.24427-1-conquistador@yandex-team.ru>
On 1/16/24 6:01 AM, Andrey Grafin wrote:
> This patch allows to auto create BPF_MAP_TYPE_ARRAY_OF_MAPS and
> BPF_MAP_TYPE_HASH_OF_MAPS with values of BPF_MAP_TYPE_PERF_EVENT_ARRAY
> by bpf_object__load().
>
> Previous behaviour created a zero filled btf_map_def for inner maps and
> tried to use it for a map creation but the linux kernel forbids to create
> a BPF_MAP_TYPE_PERF_EVENT_ARRAY map with max_entries=0.
>
> Signed-off-by: Andrey Grafin <conquistador@yandex-team.ru>
Acked-by: Yonghong Song <yonghong.song@linux.dev>
next prev parent reply other threads:[~2024-01-16 18:44 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-01-16 14:01 [PATCH bpf v4 1/2] libbpf: Apply map_set_def_max_entries() for inner_maps on creation Andrey Grafin
2024-01-16 14:01 ` [PATCH bpf v4 2/2] selftest/bpf: Add map_in_maps with BPF_MAP_TYPE_PERF_EVENT_ARRAY values Andrey Grafin
2024-01-16 18:49 ` Yonghong Song
2024-01-17 10:33 ` Hou Tao
2024-01-16 18:44 ` Yonghong Song [this message]
2024-01-17 0:47 ` [PATCH bpf v4 1/2] libbpf: Apply map_set_def_max_entries() for inner_maps on creation Hou Tao
-- strict thread matches above, loose matches on Subject: below --
2024-01-16 13:34 Andrey Grafin
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