From: Will Deacon <will@kernel.org>
To: Kees Cook <kees@kernel.org>
Cc: Arnd Bergmann <arnd@arndb.de>,
Catalin Marinas <catalin.marinas@arm.com>,
Jonathan Cameron <Jonathan.Cameron@huawei.com>,
Gavin Shan <gshan@redhat.com>,
"Russell King (Oracle)" <rmk+kernel@armlinux.org.uk>,
James Morse <james.morse@arm.com>,
Oza Pawandeep <quic_poza@quicinc.com>,
Anshuman Khandual <anshuman.khandual@arm.com>,
linux-arm-kernel@lists.infradead.org,
Ingo Molnar <mingo@kernel.org>,
"Gustavo A. R. Silva" <gustavoars@kernel.org>,
Christoph Hellwig <hch@lst.de>,
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>,
Nick Desaulniers <nick.desaulniers+lkml@gmail.com>,
Bill Wendling <morbo@google.com>,
Justin Stitt <justinstitt@google.com>,
linux-kernel@vger.kernel.org, x86@kernel.org,
kasan-dev@googlegroups.com, linux-doc@vger.kernel.org,
kvmarm@lists.linux.dev, linux-riscv@lists.infradead.org,
linux-s390@vger.kernel.org, linux-efi@vger.kernel.org,
linux-hardening@vger.kernel.org, linux-kbuild@vger.kernel.org,
linux-security-module@vger.kernel.org,
linux-kselftest@vger.kernel.org, sparclinux@vger.kernel.org,
llvm@lists.linux.dev
Subject: Re: [PATCH v3 06/13] arm64: Handle KCOV __init vs inline mismatches
Date: Fri, 18 Jul 2025 12:22:04 +0100 [thread overview]
Message-ID: <aHouXI5-tyQw78Ht@willie-the-truck> (raw)
In-Reply-To: <20250717232519.2984886-6-kees@kernel.org>
Hey Kees,
On Thu, Jul 17, 2025 at 04:25:11PM -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 arm64 this requires forcing one function to be inline
> with __always_inline.
Please can you spell out the issue a bit more here? From the description
you've given, I can't figure out why acpi_get_enable_method() is the
only function that needs fixing up so I worry that this could be
fragile.
Thanks,
Will
next prev parent reply other threads:[~2025-07-18 11:22 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-07-17 23:25 [PATCH v3 00/13] stackleak: Support Clang stack depth tracking Kees Cook
2025-07-17 23:25 ` [PATCH v3 01/13] stackleak: Rename STACKLEAK to KSTACK_ERASE Kees Cook
2025-07-21 20:02 ` Nicolas Schier
2025-07-21 20:16 ` Kees Cook
2025-07-17 23:25 ` [PATCH v3 02/13] stackleak: Rename stackleak_track_stack to __sanitizer_cov_stack_depth Kees Cook
2025-07-17 23:25 ` [PATCH v3 03/13] stackleak: Split KSTACK_ERASE_CFLAGS from GCC_PLUGINS_CFLAGS Kees Cook
2025-07-17 23:25 ` [PATCH v3 04/13] x86: Handle KCOV __init vs inline mismatches Kees Cook
2025-07-18 8:36 ` Mike Rapoport
2025-07-18 22:51 ` Kees Cook
2025-07-20 6:10 ` Ard Biesheuvel
2025-07-21 12:47 ` Will Deacon
2025-07-21 20:14 ` Kees Cook
2025-07-21 20:49 ` Kees Cook
2025-07-22 6:55 ` Ard Biesheuvel
2025-07-22 13:29 ` Will Deacon
2025-07-22 8:26 ` Mike Rapoport
2025-07-17 23:25 ` [PATCH v3 05/13] arm: " Kees Cook
2025-07-18 12:58 ` Nishanth Menon
2025-07-18 13:04 ` Lee Jones
2025-07-17 23:25 ` [PATCH v3 06/13] arm64: " Kees Cook
2025-07-18 11:22 ` Will Deacon [this message]
2025-07-17 23:25 ` [PATCH v3 07/13] s390: " Kees Cook
2025-07-17 23:25 ` [PATCH v3 08/13] powerpc/mm/book3s64: Move kfence and debug_pagealloc related calls to __init section Kees Cook
2025-07-17 23:25 ` [PATCH v3 09/13] mips: Handle KCOV __init vs inline mismatch Kees Cook
2025-07-18 9:18 ` Huacai Chen
2025-07-17 23:25 ` [PATCH v3 10/13] init.h: Disable sanitizer coverage for __init and __head Kees Cook
2025-07-17 23:25 ` [PATCH v3 11/13] kstack_erase: Support Clang stack depth tracking Kees Cook
2025-07-17 23:25 ` [PATCH v3 12/13] configs/hardening: Enable CONFIG_KSTACK_ERASE Kees Cook
2025-07-17 23:25 ` [PATCH v3 13/13] configs/hardening: Enable CONFIG_INIT_ON_FREE_DEFAULT_ON Kees Cook
2025-08-10 21:12 ` [PATCH v3 00/13] stackleak: Support Clang stack depth tracking patchwork-bot+linux-riscv
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=aHouXI5-tyQw78Ht@willie-the-truck \
--to=will@kernel.org \
--cc=Jonathan.Cameron@huawei.com \
--cc=andreyknvl@gmail.com \
--cc=anshuman.khandual@arm.com \
--cc=ardb@kernel.org \
--cc=arnd@arndb.de \
--cc=catalin.marinas@arm.com \
--cc=gshan@redhat.com \
--cc=gustavoars@kernel.org \
--cc=hch@lst.de \
--cc=james.morse@arm.com \
--cc=justinstitt@google.com \
--cc=kasan-dev@googlegroups.com \
--cc=kees@kernel.org \
--cc=kvmarm@lists.linux.dev \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-doc@vger.kernel.org \
--cc=linux-efi@vger.kernel.org \
--cc=linux-hardening@vger.kernel.org \
--cc=linux-kbuild@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-kselftest@vger.kernel.org \
--cc=linux-riscv@lists.infradead.org \
--cc=linux-s390@vger.kernel.org \
--cc=linux-security-module@vger.kernel.org \
--cc=llvm@lists.linux.dev \
--cc=masahiroy@kernel.org \
--cc=mingo@kernel.org \
--cc=morbo@google.com \
--cc=nathan@kernel.org \
--cc=nick.desaulniers+lkml@gmail.com \
--cc=nicolas.schier@linux.dev \
--cc=quic_poza@quicinc.com \
--cc=rmk+kernel@armlinux.org.uk \
--cc=ryabinin.a.a@gmail.com \
--cc=sparclinux@vger.kernel.org \
--cc=x86@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).