From: Andrey Konovalov <andreyknvl@gmail.com>
To: Marco Elver <elver@google.com>
Cc: andrey.konovalov@linux.dev, Matthew Maurer <mmaurer@google.com>,
Miguel Ojeda <ojeda@kernel.org>,
Alexander Potapenko <glider@google.com>,
Dmitry Vyukov <dvyukov@google.com>,
Andrey Ryabinin <ryabinin.a.a@gmail.com>,
kasan-dev@googlegroups.com,
Andrew Morton <akpm@linux-foundation.org>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2] kasan: simplify and clarify Makefile
Date: Thu, 22 Aug 2024 23:46:34 +0200 [thread overview]
Message-ID: <CA+fCnZegmsUGgnwqtvJKyz9QxHHquGEwGbUKwQDo63srsJao5A@mail.gmail.com> (raw)
In-Reply-To: <CANpmjNM7p8-U1eh7m4vCh5M7pKODHExzw0EVtOXQRu-udb7qaA@mail.gmail.com>
On Thu, Aug 22, 2024 at 3:49 PM Marco Elver <elver@google.com> wrote:
>
> On Wed, 14 Aug 2024 at 18:11, <andrey.konovalov@linux.dev> wrote:
> >
> > From: Andrey Konovalov <andreyknvl@gmail.com>
> >
> > When KASAN support was being added to the Linux kernel, GCC did not yet
> > support all of the KASAN-related compiler options. Thus, the KASAN
> > Makefile had to probe the compiler for supported options.
> >
> > Nowadays, the Linux kernel GCC version requirement is 5.1+, and thus we
> > don't need the probing of the -fasan-shadow-offset parameter: it exists in
> > all 5.1+ GCCs.
> >
> > Simplify the KASAN Makefile to drop CFLAGS_KASAN_MINIMAL.
> >
> > Also add a few more comments and unify the indentation.
> >
> > Signed-off-by: Andrey Konovalov <andreyknvl@gmail.com>
>
> Acked-by: Marco Elver <elver@google.com>
>
> Just in case, did you test SW and HW tags modes as well?
HW_TAGS doesn't rely on Makefile.kasan, and for SW_TAGS, this change
is a no-op. But I did just test them just in case - everything works.
Thanks!
next prev parent reply other threads:[~2024-08-22 21:46 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-08-14 16:10 andrey.konovalov
2024-08-14 16:18 ` Miguel Ojeda
2024-08-22 13:49 ` Marco Elver
2024-08-22 21:46 ` Andrey Konovalov [this message]
2024-09-16 16:14 ` Miguel Ojeda
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