From: Arnd Bergmann <arnd@arndb.de>
To: "# 3.4.x" <stable@vger.kernel.org>
Cc: Michael Weiser <michael.weiser@gmx.de>,
Martin Vajnar <martin.vajnar@gmail.com>,
musl@lists.openwall.com, Will Deacon <will.deacon@arm.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Subject: Re: [musl] [PATCH] [stable v4.1] arm64: Remove unimplemented syscall log message
Date: Wed, 2 Jun 2021 13:52:06 +0200 [thread overview]
Message-ID: <CAK8P3a3ZFFRVfT=art9_r5Ca+K_t5usaHsvqD2VjhbPXqw-Mqw@mail.gmail.com> (raw)
In-Reply-To: <20210602114617.423521-1-arnd@kernel.org>
On Wed, Jun 2, 2021 at 1:48 PM Arnd Bergmann <arnd@kernel.org> wrote:
>
> From: Michael Weiser <michael.weiser@gmx.de>
>
> commit 1962682d2b2fbe6cfa995a85c53c069fadda473e upstream.
>
> Stop printing a (ratelimited) kernel message for each instance of an
> unimplemented syscall being called. Userland making an unimplemented
> syscall is not necessarily misbehaviour and to be expected with a
> current userland running on an older kernel. Also, the current message
> looks scary to users but does not actually indicate a real problem nor
> help them narrow down the cause. Just rely on sys_ni_syscall() to return
> -ENOSYS.
Nevermind, I forgot the 4.1.y line had ended. The 4.4 version is still needed
though, and also applies to 4.9.
Arnd
prev parent reply other threads:[~2021-06-02 11:53 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-02 11:46 Arnd Bergmann
2021-06-02 11:52 ` Arnd Bergmann [this message]
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