From: Peter Xu <peterx@redhat.com>
To: Axel Rasmussen <axelrasmussen@google.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Shuah Khan <shuah@kernel.org>,
linux-mm@kvack.org, linux-kselftest@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 3/3] userfaultfd/selftests: don't rely on GNU extensions for random numbers
Date: Tue, 21 Sep 2021 14:03:29 -0400 [thread overview]
Message-ID: <YUoecZdcYBPLeejz@t490s> (raw)
In-Reply-To: <20210921163323.944352-3-axelrasmussen@google.com>
On Tue, Sep 21, 2021 at 09:33:23AM -0700, Axel Rasmussen wrote:
> Two arguments for doing this:
>
> First, and maybe most importantly, the resulting code is significantly
> shorter / simpler.
>
> Then, we avoid using GNU libc extensions. Why does this matter? It makes
> testing userfaultfd with the selftest easier e.g. on distros which use
> something other than glibc (e.g., Alpine, which uses musl); basically,
> it makes the test more portable.
>
> Signed-off-by: Axel Rasmussen <axelrasmussen@google.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
--
Peter Xu
next prev parent reply other threads:[~2021-09-21 18:03 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-21 16:33 [PATCH 1/3] userfaultfd/selftests: fix feature support detection Axel Rasmussen
2021-09-21 16:33 ` [PATCH 2/3] userfaultfd/selftests: fix calculation of expected ioctls Axel Rasmussen
2021-09-21 16:33 ` [PATCH 3/3] userfaultfd/selftests: don't rely on GNU extensions for random numbers Axel Rasmussen
2021-09-21 18:03 ` Peter Xu [this message]
2021-09-21 17:44 ` [PATCH 1/3] userfaultfd/selftests: fix feature support detection Peter Xu
2021-09-21 18:26 ` Axel Rasmussen
2021-09-21 19:21 ` Peter Xu
2021-09-21 20:31 ` Axel Rasmussen
2021-09-22 0:29 ` Peter Xu
2021-09-22 17:04 ` Axel Rasmussen
2021-09-22 17:32 ` Peter Xu
2021-09-22 20:54 ` Axel Rasmussen
2021-09-22 21:51 ` Peter Xu
2021-09-22 22:29 ` Axel Rasmussen
2021-09-22 23:49 ` Peter Xu
2021-09-23 4:17 ` James Houghton
2021-09-23 5:43 ` Jue Wang
2021-09-24 20:09 ` Peter Xu
2021-09-24 20:22 ` Jue Wang
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