netdev - Re: [PATCH bpf-next v4] bpf: Warn on non-preallocated case for BPF_PROG_TYPE_RAW_TRACEPOINT

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Message-ID: <f935d733-9bca-f396-301a-cd3a38fae7e7@fb.com>
Date:   Wed, 13 Jul 2022 12:52:35 -0700
From:   Yonghong Song <yhs@...com>
To:     Yafang Shao <laoar.shao@...il.com>, ast@...nel.org,
        daniel@...earbox.net, andrii@...nel.org, kafai@...com,
        songliubraving@...com, john.fastabend@...il.com, kpsingh@...nel.org
Cc:     netdev@...r.kernel.org, bpf@...r.kernel.org
Subject: Re: [PATCH bpf-next v4] bpf: Warn on non-preallocated case for
 BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE



On 7/13/22 9:09 AM, Yafang Shao wrote:
> BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE is also tracing type, which may
> cause unexpected memory allocation if we set BPF_F_NO_PREALLOC.
> Let's also warn on it.
> 
> Signed-off-by: Yafang Shao <laoar.shao@...il.com>

Acked-by: Yonghong Song <yhs@...com>