From: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
To: buildroot@busybox.net
Subject: [Buildroot] [PATCH v2] linux: disable attribute alias with gcc >= 8.1
Date: Fri, 20 Jul 2018 10:24:17 +0200 [thread overview]
Message-ID: <20180720102417.35ab903b@windsurf> (raw)
In-Reply-To: <20180602143407.20985-1-romain.naour@gmail.com>
Hello,
On Sat, 2 Jun 2018 16:34:07 +0200, Romain Naour wrote:
> gcc-8 started warning about function aliases that have a non-matching
> prototype. This seems rather useful in general, but it causes tons of
> warnings in the Linux kernel, where we rely on abusing those aliases
> for system call entry points, in order to sanitze the arguments passed
> from user space in registers.
>
> See https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82435
>
> Disable the attribute-alias warning introduced by gcc-8 by adding
> -Wno-attribute-alias to KCFLAGS.
>
> Signed-off-by: Romain Naour <romain.naour@gmail.com>
> Cc: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
> ---
> v2: use KCFLAGS instead of KBUILD_CFLAGS (ThomasP)
Applied to master, thanks.
Thomas
--
Thomas Petazzoni, CTO, Bootlin (formerly Free Electrons)
Embedded Linux and Kernel engineering
https://bootlin.com
prev parent reply other threads:[~2018-07-20 8:24 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-06-02 14:34 [Buildroot] [PATCH v2] linux: disable attribute alias with gcc >= 8.1 Romain Naour
2018-07-20 8:24 ` Thomas Petazzoni [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20180720102417.35ab903b@windsurf \
--to=thomas.petazzoni@bootlin.com \
--cc=buildroot@busybox.net \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.