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From: Linus Torvalds <torvalds@linux-foundation.org>
To: Guenter Roeck <linux@roeck-us.net>
Cc: Nathan Chancellor <nathan@kernel.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	David Airlie <airlied@gmail.com>, Daniel Vetter <daniel@ffwll.ch>,
	dri-devel@lists.freedesktop.org
Subject: Re: Linux 6.3-rc3
Date: Mon, 20 Mar 2023 13:30:17 -0700	[thread overview]
Message-ID: <CAHk-=wgyJREUR1WgfFmie5XVJnBLr1VPVbSibh1+Cq57Bh4Tag@mail.gmail.com> (raw)
In-Reply-To: <4adbed5a-6f73-42ac-b7be-e12c764ae808@roeck-us.net>

On Mon, Mar 20, 2023 at 1:05 PM Guenter Roeck <linux@roeck-us.net> wrote:
>
> I have noticed that gcc doesn't always warn about uninitialized variables
> in most architectures.

Yeah, I'm getting the feeling that when the gcc people were trying to
make -Wmaybe-uninitialized work better (when moving it into "-Wall"),
they ended up moving a lot of "clearly uninitialized" cases into it.

So then because we disable the "maybe" case (with
-Wno-maybe-uninitialized) because it had too many random false
positives, we end up not seeing the obvious cases either.

              Linus

  reply	other threads:[~2023-03-20 20:31 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-03-19 20:50 Linux 6.3-rc3 Linus Torvalds
2023-03-20  8:21 ` Build regressions/improvements in v6.3-rc3 Geert Uytterhoeven
2023-03-21  5:38   ` Build regressions/improvements in v6.3-rc3 (drm/msm/) Randy Dunlap
2023-03-21  7:34     ` Geert Uytterhoeven
2023-03-21 15:10       ` Randy Dunlap
2023-03-21 15:33         ` Geert Uytterhoeven
2023-03-20 18:05 ` Linux 6.3-rc3 Nathan Chancellor
2023-03-20 18:26   ` Linus Torvalds
2023-03-20 18:49     ` Linus Torvalds
2023-03-20 18:56       ` Nathan Chancellor
2023-03-20 19:05         ` Linus Torvalds
2023-03-20 18:53     ` Nathan Chancellor
2023-03-20 19:22       ` Nathan Chancellor
2023-03-22 12:44       ` Kalle Valo
2023-03-22 16:36         ` Nathan Chancellor
2023-03-22 20:36           ` Nathan Chancellor
2023-03-24 10:54           ` Kalle Valo
2023-03-24 15:11             ` Nathan Chancellor
2023-03-24 15:23               ` Kalle Valo
2023-03-28 19:07                 ` Nathan Chancellor
2023-03-29  8:39                   ` Kalle Valo
2023-03-22 16:40         ` Sedat Dilek
2023-03-22 16:55           ` Linus Torvalds
2023-03-22 18:17             ` Nick Desaulniers
2023-03-24 17:16             ` Masahiro Yamada
2023-03-27 16:12               ` Jani Nikula
2023-03-27 17:03                 ` Kalle Valo
2023-03-20 20:04     ` Guenter Roeck
2023-03-20 20:30       ` Linus Torvalds [this message]
2023-03-20 22:06         ` Nathan Chancellor
2023-03-20 22:48           ` Segher Boessenkool
2023-03-20 23:41           ` Linus Torvalds
2023-03-24  9:41   ` Daniel Vetter
2023-03-20 20:07 ` Guenter Roeck

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