linux-kernel - Re: [PATCH -mm] -funsigned-char, x86: make struct p4_event

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Date:   Fri, 21 Oct 2022 10:11:52 -0700
From:   Linus Torvalds <torvalds@...ux-foundation.org>
To:     Alexey Dobriyan <adobriyan@...il.com>
Cc:     "Jason A. Donenfeld" <Jason@...c4.com>, akpm@...ux-foundation.org,
        linux-kernel@...r.kernel.org, mm-commits@...r.kernel.org,
        masahiroy@...nel.org, keescook@...omium.org,
        gregkh@...uxfoundation.org, andriy.shevchenko@...ux.intel.com
Subject: Re: [PATCH -mm] -funsigned-char, x86: make struct p4_event_bind::cntr
 signed array

On Thu, Oct 20, 2022 at 10:59 PM Alexey Dobriyan <adobriyan@...il.com> wrote:
>
> It is very entertaining, i've given up and started patching sparse
> but it needs more because char constants are ints:

I think you can fix that by simply warning about character constants
with the high bit set.

Something like this..

              Linus

View attachment "patch.diff" of type "text/x-patch" (472 bytes)