netdev - Re: [PATCH bpf v2 3/3] bpftool: handle EAGAIN error code properly in pids collection

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <CAEf4BzbaeMSq-L6yp3P7Me3fsGOvK5ma+xsdLEL3SM_YKQncpA@mail.gmail.com>
Date:   Tue, 18 Aug 2020 15:30:43 -0700
From:   Andrii Nakryiko <andrii.nakryiko@...il.com>
To:     Yonghong Song <yhs@...com>
Cc:     bpf <bpf@...r.kernel.org>, Networking <netdev@...r.kernel.org>,
        Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Kernel Team <kernel-team@...com>
Subject: Re: [PATCH bpf v2 3/3] bpftool: handle EAGAIN error code properly in
 pids collection

On Tue, Aug 18, 2020 at 3:24 PM Yonghong Song <yhs@...com> wrote:
>
> When the error code is EAGAIN, the kernel signals the user
> space should retry the read() operation for bpf iterators.
> Let us do it.
>
> Signed-off-by: Yonghong Song <yhs@...com>
> ---

LGTM.

Acked-by: Andrii Nakryiko <andriin@...com>