Re: Calculating array sizes in C - was: Re: Build regressions/improvements in v6.2-rc1

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

To: "Michael.Karcher" <Michael.Karcher@xxxxxxxxxxxx>, Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>
Subject: Re: Calculating array sizes in C - was: Re: Build regressions/improvements in v6.2-rc1
From: John Paul Adrian Glaubitz <glaubitz@xxxxxxxxxxxxxxxxxxx>
Date: Fri, 20 Jan 2023 09:49:00 +0100
Cc: linux-xtensa@xxxxxxxxxxxxxxxx, Arnd Bergmann <arnd@xxxxxxxx>, linux-sh@xxxxxxxxxxxxxxx, linux-wireless@xxxxxxxxxxxxxxx, linux-mips@xxxxxxxxxxxxxxx, amd-gfx@xxxxxxxxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, kasan-dev@xxxxxxxxxxxxxxxx, Michael Karcher <kernel@xxxxxxxxxxxxxxxxxxxxxxxxxxxx>, linux-f2fs-devel@xxxxxxxxxxxxxxxxxxxxx, linuxppc-dev@xxxxxxxxxxxxxxxx, linux-arm-kernel@xxxxxxxxxxxxxxxxxxx, linux-media@xxxxxxxxxxxxxxx
In-reply-to: <1732342f-49fe-c20e-b877-bc0a340e1a50@fu-berlin.de>
References: <CAHk-=wgf929uGOVpiWALPyC7pv_9KbwB2EAvQ3C4woshZZ5zqQ@mail.gmail.com> <20221227082932.798359-1-geert@linux-m68k.org> <alpine.DEB.2.22.394.2212270933530.311423@ramsan.of.borg> <c05bee5d-0d69-289b-fe4b-98f4cd31a4f5@physik.fu-berlin.de> <CAMuHMdXNJveXHeS=g-aHbnxtyACxq1wCeaTg8LbpYqJTCqk86g@mail.gmail.com> <3800eaa8-a4da-b2f0-da31-6627176cb92e@physik.fu-berlin.de> <CAMuHMdWbBRkhecrqcir92TgZnffMe8ku2t7PcVLqA6e6F-j=iw@mail.gmail.com> <429140e0-72fe-c91c-53bc-124d33ab5ffa@physik.fu-berlin.de> <CAMuHMdWpHSsAB3WosyCVgS6+t4pU35Xfj3tjmdCDoyS2QkS7iw@mail.gmail.com> <0d238f02-4d78-6f14-1b1b-f53f0317a910@physik.fu-berlin.de> <1732342f-49fe-c20e-b877-bc0a340e1a50@fu-berlin.de>
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.6.1

Hi Michael!

On 1/19/23 23:11, Michael.Karcher wrote:

I suggest to file a bug against gcc complaining about a "spurious warning",
and using "-Werror -Wno-error-sizeof-pointer-div" until gcc is adapted to
not emit the warning about the pointer division if the result is not used.


Could you post a kernel patch for that? I would be happy to test it on my
SH-7785CLR board. Also, I'm going to file a bug report against GCC.

Adrian

--
 .''`.  John Paul Adrian Glaubitz
: :' :  Debian Developer
`. `'   Physicist
  `-    GPG: 62FF 8A75 84E0 2956 9546  0006 7426 3B37 F5B5 F913

Follow-Ups:
- Re: Calculating array sizes in C - was: Re: Build regressions/improvements in v6.2-rc1
  - From: Michael Karcher

References:
- Re: Build regressions/improvements in v6.2-rc1
  - From: Geert Uytterhoeven
- Re: Build regressions/improvements in v6.2-rc1
  - From: John Paul Adrian Glaubitz
- Re: Build regressions/improvements in v6.2-rc1
  - From: Geert Uytterhoeven
- Calculating array sizes in C - was: Re: Build regressions/improvements in v6.2-rc1
  - From: John Paul Adrian Glaubitz
- Re: Calculating array sizes in C - was: Re: Build regressions/improvements in v6.2-rc1
  - From: Geert Uytterhoeven
- Re: Calculating array sizes in C - was: Re: Build regressions/improvements in v6.2-rc1
  - From: John Paul Adrian Glaubitz
- Re: Calculating array sizes in C - was: Re: Build regressions/improvements in v6.2-rc1
  - From: Geert Uytterhoeven
- Re: Calculating array sizes in C - was: Re: Build regressions/improvements in v6.2-rc1
  - From: John Paul Adrian Glaubitz
- Re: Calculating array sizes in C - was: Re: Build regressions/improvements in v6.2-rc1
  - From: Michael.Karcher

Prev by Date: Re: Calculating array sizes in C - was: Re: Build regressions/improvements in v6.2-rc1
Next by Date: RE: Calculating array sizes in C - was: Re: Build regressions/improvements in v6.2-rc1
Previous by thread: Re: Calculating array sizes in C - was: Re: Build regressions/improvements in v6.2-rc1
Next by thread: Re: Calculating array sizes in C - was: Re: Build regressions/improvements in v6.2-rc1
Index(es):
- Date
- Thread

[Index of Archives] [Linux USB Devel] [Linux Audio Users] [Yosemite News] [Linux Kernel] [Linux SCSI]