netdev - Re: [PATCH bpf-next v4 1/5] bpf: consolidate shared test timing code

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Message-ID: <CAEf4BzaFT7CQwGbd2S46WjwwNoMkgPCycj8EKCDZXNjPHdWzRg@mail.gmail.com>
Date:   Thu, 4 Mar 2021 10:51:00 -0800
From:   Andrii Nakryiko <andrii.nakryiko@...il.com>
To:     Lorenz Bauer <lmb@...udflare.com>
Cc:     Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Andrii Nakryiko <andrii@...nel.org>,
        kernel-team <kernel-team@...udflare.com>,
        Networking <netdev@...r.kernel.org>, bpf <bpf@...r.kernel.org>
Subject: Re: [PATCH bpf-next v4 1/5] bpf: consolidate shared test timing code

On Wed, Mar 3, 2021 at 2:18 AM Lorenz Bauer <lmb@...udflare.com> wrote:
>
> Share the timing / signal interruption logic between different
> implementations of PROG_TEST_RUN. There is a change in behaviour
> as well. We check the loop exit condition before checking for
> pending signals. This resolves an edge case where a signal
> arrives during the last iteration. Instead of aborting with
> EINTR we return the successful result to user space.
>
> Signed-off-by: Lorenz Bauer <lmb@...udflare.com>
> ---

LGTM.

Acked-by: Andrii Nakryiko <andrii@...nel.org>

>  net/bpf/test_run.c | 141 +++++++++++++++++++++++++--------------------
>  1 file changed, 78 insertions(+), 63 deletions(-)
>

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