From: Kees Cook <kees@kernel.org>
To: Andrew Donnellan <ajd@linux.ibm.com>, Arnd Bergmann <arnd@arndb.de>
Cc: Madhavan Srinivasan <maddy@linux.ibm.com>,
Michael Ellerman <mpe@ellerman.id.au>,
Nicholas Piggin <npiggin@gmail.com>,
Christophe Leroy <christophe.leroy@csgroup.eu>,
Naveen N Rao <naveen@kernel.org>,
"Ritesh Harjani (IBM)" <ritesh.list@gmail.com>,
"Aneesh Kumar K.V" <aneesh.kumar@linux.ibm.com>,
Andrew Morton <akpm@linux-foundation.org>,
linuxppc-dev@lists.ozlabs.org,
"Gustavo A. R. Silva" <gustavoars@kernel.org>,
Christoph Hellwig <hch@lst.de>, Marco Elver <elver@google.com>,
Andrey Konovalov <andreyknvl@gmail.com>,
Andrey Ryabinin <ryabinin.a.a@gmail.com>,
Ard Biesheuvel <ardb@kernel.org>,
Masahiro Yamada <masahiroy@kernel.org>,
Nathan Chancellor <nathan@kernel.org>,
Nicolas Schier <nicolas.schier@linux.dev>,
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llvm@lists.linux.dev
Subject: Re: [PATCH v2 08/14] powerpc: Handle KCOV __init vs inline mismatches
Date: Fri, 23 May 2025 08:15:49 -0700 [thread overview]
Message-ID: <6E407BC0-4D84-4420-AE07-EF85EBA1AB1C@kernel.org> (raw)
In-Reply-To: <e50abba6c962772c73342bacf20fb87dc99dd542.camel@linux.ibm.com>
On May 22, 2025 10:24:30 PM PDT, Andrew Donnellan <ajd@linux.ibm.com> wrote:
>On Thu, 2025-05-22 at 21:39 -0700, Kees Cook wrote:
>> When KCOV is enabled all functions get instrumented, unless
>> the __no_sanitize_coverage attribute is used. To prepare for
>> __no_sanitize_coverage being applied to __init functions, we have to
>> handle differences in how GCC's inline optimizations get resolved.
>> For
>> s390 this requires forcing a couple functions to be inline with
>
>I assume you mean powerpc here, though I'm sure my employer is happy
>that you're at least confusing us with IBM's other architecture :)
Whoops! Yes. Paste-o on my part. The rest of the sentence was updated correctly though. :)
--
Kees Cook
next prev parent reply other threads:[~2025-05-23 15:34 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-05-23 4:39 [PATCH v2 00/14] stackleak: Support Clang stack depth tracking Kees Cook
2025-05-23 4:39 ` [PATCH v2 01/14] stackleak: Rename STACKLEAK to KSTACK_ERASE Kees Cook
2025-05-23 4:39 ` [PATCH v2 02/14] stackleak: Rename stackleak_track_stack to __sanitizer_cov_stack_depth Kees Cook
2025-05-23 4:39 ` [PATCH v2 03/14] stackleak: Split KSTACK_ERASE_CFLAGS from GCC_PLUGINS_CFLAGS Kees Cook
2025-05-23 4:39 ` [PATCH v2 05/14] arm: Handle KCOV __init vs inline mismatches Kees Cook
2025-05-23 11:19 ` Nishanth Menon
2025-05-23 4:39 ` [PATCH v2 06/14] arm64: " Kees Cook
2025-05-23 4:39 ` [PATCH v2 07/14] s390: " Kees Cook
2025-05-23 9:35 ` Heiko Carstens
2025-05-23 4:39 ` [PATCH v2 08/14] powerpc: " Kees Cook
2025-05-23 5:24 ` Andrew Donnellan
2025-05-23 15:15 ` Kees Cook [this message]
2025-05-24 10:43 ` Ritesh Harjani
2025-07-10 1:57 ` Kees Cook
2025-05-23 4:39 ` [PATCH v2 09/14] mips: " Kees Cook
2025-06-19 8:55 ` Huacai Chen
2025-05-23 4:39 ` [PATCH v2 10/14] loongarch: " Kees Cook
2025-06-19 8:55 ` Huacai Chen
2025-06-24 12:31 ` Huacai Chen
2025-06-25 1:09 ` Kees Cook
2025-05-23 4:39 ` [PATCH v2 11/14] init.h: Disable sanitizer coverage for __init and __head Kees Cook
2025-05-23 4:39 ` [PATCH v2 12/14] kstack_erase: Support Clang stack depth tracking Kees Cook
2025-05-23 4:39 ` [PATCH v2 13/14] configs/hardening: Enable CONFIG_KSTACK_ERASE Kees Cook
2025-05-23 4:39 ` [PATCH v2 14/14] configs/hardening: Enable CONFIG_INIT_ON_FREE_DEFAULT_ON Kees Cook
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