linux-kernel - Re: Linux 6.2-rc3

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Date:   Mon, 9 Jan 2023 15:32:59 -0800
From:   Guenter Roeck <linux@...ck-us.net>
To:     Linus Torvalds <torvalds@...ux-foundation.org>,
        Vlastimil Babka <vbabka@...e.cz>
Cc:     Marco Elver <elver@...gle.com>,
        "Paul E. McKenney" <paulmck@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Kees Cook <kees@...nel.org>, Jaegeuk Kim <jaegeuk@...nel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: Linux 6.2-rc3

On 1/9/23 15:14, Linus Torvalds wrote:
> On Mon, Jan 9, 2023 at 4:43 PM Vlastimil Babka <vbabka@...e.cz> wrote:
>>
>> On 1/9/23 23:18, Linus Torvalds wrote:
>>>
>>> Does anybody remember - what was the compiler version again and what
>>> do we need to disable?
>>
>> Guenter reported that "The problem is seen with gcc 11.3.0, but not with gcc
>> 12.2.0 nor with gcc 10.3.0."
>>
>> https://lore.kernel.org/all/20221227002941.GA2691687@roeck-us.net/
>>
>> Kees said it's -Warray-bounds, already disabled on gcc 12 for other reasons:
>>
>> https://lore.kernel.org/all/D8BDBF66-E44C-45D4-9758-BAAA4F0C1998@kernel.org/
> 
> Thanks.
> 
> I added a GCC11_NO_ARRAY_BOUNDS symbol to match the existing
> GCC12_NO_ARRAY_BOUNDS one, and to half-way document this thing.
> 
> I obviously don't see this warning myself, so my commit is "blind",
> but looks completely obvious.
> 
> Famous last words.
> 

Tested working.

Guenter