linux-kernel - Re: [PATCH] selftests/seccomp: Actually sleep for 1/10th second

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Message-ID: <CAGXu5jL8GHE3XLLo36Ldej3Z6ZHg+kN5Jfq-Pepvu3hzNsf52A@mail.gmail.com>
Date:   Mon, 28 Jan 2019 20:58:36 +1300
From:   Kees Cook <keescook@...omium.org>
To:     Nick Desaulniers <ndesaulniers@...gle.com>
Cc:     Shuah Khan <shuah@...nel.org>, LKML <linux-kernel@...r.kernel.org>,
        "open list:KERNEL SELFTEST FRAMEWORK" 
        <linux-kselftest@...r.kernel.org>,
        Guenter Roeck <linux@...ck-us.net>
Subject: Re: [PATCH] selftests/seccomp: Actually sleep for 1/10th second

On Mon, Jan 28, 2019 at 8:37 AM Nick Desaulniers
<ndesaulniers@...gle.com> wrote:
> So this test has been broken? If so, do you know for how long? Or
> who's monitoring them?  Either way, thanks for noticing and fixing.

No, it's been working fine. It just consumes 100% cpu during the
spin-wait. The intention was to sleep for a little bit to avoid a
tight loop. It was just resource-inefficient.

-- 
Kees Cook