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From: Kees Cook <keescook@chromium.org>
To: Masahiro Yamada <masahiroy@kernel.org>
Cc: linux-kbuild@vger.kernel.org, linux-arch@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	Andrey Ryabinin <ryabinin.a.a@gmail.com>,
	Alexander Potapenko <glider@google.com>,
	Andrey Konovalov <andreyknvl@gmail.com>,
	Dmitry Vyukov <dvyukov@google.com>,
	Vincenzo Frascino <vincenzo.frascino@arm.com>,
	Marco Elver <elver@google.com>,
	Josh Poimboeuf <jpoimboe@kernel.org>,
	Peter Zijlstra <peterz@infradead.org>,
	Peter Oberparleiter <oberpar@linux.ibm.com>,
	Roberto Sassu <roberto.sassu@huaweicloud.com>,
	Johannes Berg <johannes@sipsolutions.net>,
	kasan-dev@googlegroups.com, linux-hardening@vger.kernel.org
Subject: Re: [PATCH 0/3] kbuild: remove many tool coverage variables
Date: Mon, 13 May 2024 16:28:25 -0700	[thread overview]
Message-ID: <202405131626.D61F8228@keescook> (raw)
In-Reply-To: <CAK7LNARZuqxWyxn2peMCCt0gbsRdWjri=Pd9-HvpK7bcOB-9dA@mail.gmail.com>

On Tue, May 14, 2024 at 07:39:31AM +0900, Masahiro Yamada wrote:
> On Tue, May 14, 2024 at 3:48 AM Kees Cook <keescook@chromium.org> wrote:
> > I am worried about the use of "guess" and "most", though. :) Before, we
> > had some clear opt-out situations, and now it's more of a side-effect. I
> > think this is okay, but I'd really like to know more about your testing.
> 
> - defconfig for arc, hexagon, loongarch, microblaze, sh, xtensa
> - allmodconfig for the other architectures
> 
> (IIRC, allmodconfig failed for the first case, for reasons unrelated
> to this patch set, so I used defconfig instead.
> I do not remember what errors I observed)
> 
> I checked the diff of .*.cmd files.

Ah-ha, perfect! Thanks. :)

> > Did you find any cases where you found that instrumentation was _removed_
> > where not expected?
> 
> See the commit log of 1/3.

Okay, thanks. I wasn't sure if that was the complete set or just part of
the "most" bit. :)

Thanks! I think this should all be fine. I'm not aware of anything
melting down yet from these changes being in -next, so:

Reviewed-by: Kees Cook <keescook@chromium.org>

-- 
Kees Cook

  reply	other threads:[~2024-05-13 23:28 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-05-06 13:35 [PATCH 0/3] kbuild: remove many tool coverage variables Masahiro Yamada
2024-05-06 13:35 ` [PATCH 1/3] kbuild: provide reasonable defaults for tool coverage Masahiro Yamada
2024-05-28 11:35   ` Arnd Bergmann
2024-05-31  8:52     ` Masahiro Yamada
2024-05-31  9:05       ` Arnd Bergmann
2024-05-31 10:16         ` Masahiro Yamada
2024-05-31 16:09           ` Kees Cook
2024-05-06 13:35 ` [PATCH 2/3] Makefile: remove redundant tool coverage variables Masahiro Yamada
2024-05-06 13:35 ` [PATCH 3/3] kbuild: use GCOV_PROFILE and KCSAN_SANITIZE in scripts/Makefile.modfinal Masahiro Yamada
2024-05-13 18:48 ` [PATCH 0/3] kbuild: remove many tool coverage variables Kees Cook
2024-05-13 19:54   ` Marco Elver
2024-05-13 22:50     ` Masahiro Yamada
2024-05-13 22:39   ` Masahiro Yamada
2024-05-13 23:28     ` Kees Cook [this message]
2024-05-14  7:31   ` Roberto Sassu

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