From: Nicolas Schier <nsc@kernel.org>
To: Nathan Chancellor <nathan@kernel.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>,
Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will@kernel.org>,
Huacai Chen <chenhuacai@kernel.org>,
WANG Xuerui <kernel@xen0n.name>,
"James E.J. Bottomley" <James.Bottomley@hansenpartnership.com>,
Helge Deller <deller@gmx.de>,
Madhavan Srinivasan <maddy@linux.ibm.com>,
Michael Ellerman <mpe@ellerman.id.au>,
Nicholas Piggin <npiggin@gmail.com>,
"Christophe Leroy (CS GROUP)" <chleroy@kernel.org>,
Heiko Carstens <hca@linux.ibm.com>,
Vasily Gorbik <gor@linux.ibm.com>,
Alexander Gordeev <agordeev@linux.ibm.com>,
Christian Borntraeger <borntraeger@linux.ibm.com>,
Sven Schnelle <svens@linux.ibm.com>,
Thomas Gleixner <tglx@kernel.org>, Ingo Molnar <mingo@redhat.com>,
Borislav Petkov <bp@alien8.de>,
Dave Hansen <dave.hansen@linux.intel.com>,
x86@kernel.org, "H. Peter Anvin" <hpa@zytor.com>,
Ard Biesheuvel <ardb@kernel.org>,
Ilias Apalodimas <ilias.apalodimas@linaro.org>,
Nick Desaulniers <nick.desaulniers+lkml@gmail.com>,
Bill Wendling <morbo@google.com>,
Justin Stitt <justinstitt@google.com>,
Kees Cook <kees@kernel.org>,
linux-kbuild@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, loongarch@lists.linux.dev,
linux-parisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org,
linux-s390@vger.kernel.org, linux-efi@vger.kernel.org,
llvm@lists.linux.dev
Subject: Re: [PATCH 1/2] kbuild: Consolidate C dialect options
Date: Fri, 27 Feb 2026 17:36:33 +0100 [thread overview]
Message-ID: <aaHIEQPiAbd7DGlW@derry.ads.avm.de> (raw)
In-Reply-To: <20260223-fms-anonymous-structs-v1-1-8ee406d3c36c@kernel.org>
On Mon, Feb 23, 2026 at 12:10:28PM -0700, Nathan Chancellor wrote:
> Introduce CC_FLAGS_DIALECT to make it easier to update the various
> places in the tree that rely on the GNU C standard and Microsoft
> extensions flags atomically. All remaining uses of '-std=gnu11' and
> '-fms-extensions' are in the tools directory (which has its own build
> system) and other standalone Makefiles. This will allow the kernel to
> use a narrower option to enable the Microsoft anonymous tagged structure
> extension in a simpler manner. Place the CC_FLAGS_DIALECT block after
> the configuration include (so that a future change can move the
> selection of the flag to Kconfig) but before the
> arch/$(SRCARCH)/Makefile include (so that CC_FLAGS_DIALECT is available
> for use in those Makefiles).
>
> Signed-off-by: Nathan Chancellor <nathan@kernel.org>
> ---
> Makefile | 16 ++++++++++++----
> arch/arm64/kernel/vdso32/Makefile | 3 +--
> arch/loongarch/vdso/Makefile | 2 +-
> arch/parisc/boot/compressed/Makefile | 2 +-
> arch/powerpc/boot/Makefile | 3 +--
> arch/s390/Makefile | 3 +--
> arch/s390/purgatory/Makefile | 3 +--
> arch/x86/Makefile | 6 +-----
> arch/x86/boot/compressed/Makefile | 6 +-----
> drivers/firmware/efi/libstub/Makefile | 3 +--
> scripts/Makefile.warn | 5 -----
> 11 files changed, 21 insertions(+), 31 deletions(-)
>
Reviewed-by: Nicolas Schier <nsc@kernel.org>
next prev parent reply other threads:[~2026-02-27 16:36 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-02-23 19:10 [PATCH 0/2] kbuild: Switch from '-fms-extensions' to '-fms-anonymous-structs' when available Nathan Chancellor
2026-02-23 19:10 ` [PATCH 1/2] kbuild: Consolidate C dialect options Nathan Chancellor
2026-02-27 16:36 ` Nicolas Schier [this message]
2026-02-23 19:10 ` [PATCH 2/2] kbuild: Use '-fms-anonymous-structs' if it is available Nathan Chancellor
2026-02-23 22:33 ` Kees Cook
2026-02-23 22:53 ` Nathan Chancellor
2026-02-23 23:02 ` Kees Cook
2026-02-24 20:55 ` Nathan Chancellor
2026-03-05 10:25 ` Nicolas Schier
2026-02-23 19:38 ` [PATCH 0/2] kbuild: Switch from '-fms-extensions' to '-fms-anonymous-structs' when available Ard Biesheuvel
2026-02-23 21:13 ` Helge Deller
2026-03-05 23:43 ` H. Peter Anvin
2026-03-06 23:17 ` Nathan Chancellor
2026-03-06 23:31 ` H. Peter Anvin
2026-03-09 6:49 ` Nicolas Schier
2026-03-12 12:08 ` Nicolas Schier
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