netdev - Re: [PATCH bpf-next v4] libbpf: fix probe code to return EPERM if encountered

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Message-ID: <7e23f4d2-7cc5-9976-dead-ad2e993015ab@fb.com>
Date:   Tue, 12 May 2020 07:26:47 -0700
From:   Yonghong Song <yhs@...com>
To:     Eelco Chaudron <echaudro@...hat.com>, <bpf@...r.kernel.org>
CC:     <davem@...emloft.net>, <netdev@...r.kernel.org>, <ast@...nel.org>,
        <daniel@...earbox.net>, <kafai@...com>, <songliubraving@...com>,
        <andriin@...com>, <toke@...hat.com>
Subject: Re: [PATCH bpf-next v4] libbpf: fix probe code to return EPERM if
 encountered



On 5/12/20 2:04 AM, Eelco Chaudron wrote:
> When the probe code was failing for any reason ENOTSUP was returned, even
> if this was due to no having enough lock space. This patch fixes this by
> returning EPERM to the user application, so it can respond and increase
> the RLIMIT_MEMLOCK size.
> 
> Signed-off-by: Eelco Chaudron <echaudro@...hat.com>

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