linux-kernel - Re: [PATCH v1 12/19] ACPICA: Introduce ACPI

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Message-ID: <CAJZ5v0hsJr+5vzrH1Yp4_r5hrxLsVaO0dTdR6EG1Ft8tMcWSYA@mail.gmail.com>
Date: Wed, 30 Apr 2025 20:49:43 +0200
From: "Rafael J. Wysocki" <rafael@...nel.org>
To: Kees Cook <kees@...nel.org>
Cc: "Rafael J. Wysocki" <rjw@...ysocki.net>, Linux ACPI <linux-acpi@...r.kernel.org>, 
	LKML <linux-kernel@...r.kernel.org>, Bob Moore <robert.moore@...el.com>, 
	Saket Dumbre <saket.dumbre@...el.com>
Subject: Re: [PATCH v1 12/19] ACPICA: Introduce ACPI_NONSTRING

On Wed, Apr 30, 2025 at 8:35 PM Kees Cook <kees@...nel.org> wrote:
>
> On Fri, Apr 25, 2025 at 09:27:58PM +0200, Rafael J. Wysocki wrote:
> > From: Kees Cook <kees@...nel.org>
> >
> > ACPICA commit 878823ca20f1987cba0c9d4c1056be0d117ea4fe
> >
> > In order to distinguish character arrays from C Strings (i.e. strings with
> > a terminating NUL character), add support for the "nonstring" attribute
> > provided by GCC. (A better name might be "ACPI_NONCSTRING", but that's
> > the attribute name, so stick to the existing naming convention.)
> >
> > GCC 15's -Wunterminated-string-initialization will warn about truncation
> > of the NUL byte for string initializers unless the destination is marked
> > with "nonstring". Prepare for applying this attribute to the project.
> >
> > Link: https://github.com/acpica/acpica/commit/878823ca
> > Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
>
> Whoops, I missed adding my S-o-b to the original upstream ACPICA commit.
> Please consider this:
>
> Signed-off-by: Kees Cook <kees@...nel.org>

Added, thanks!