From: "Arnd Bergmann" <arnd@arndb.de>
To: "Thomas Weißschuh" <thomas.weissschuh@linutronix.de>,
"David S . Miller" <davem@davemloft.net>,
"Andreas Larsson" <andreas@gaisler.com>,
"Andy Lutomirski" <luto@kernel.org>,
"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>,
"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>,
"Madhavan Srinivasan" <maddy@linux.ibm.com>,
"Michael Ellerman" <mpe@ellerman.id.au>,
"Nicholas Piggin" <npiggin@gmail.com>,
"Christophe Leroy" <chleroy@kernel.org>
Cc: sparclinux@vger.kernel.org, linux-kernel@vger.kernel.org,
Linux-Arch <linux-arch@vger.kernel.org>,
linux-s390@vger.kernel.org,
"David Laight" <david.laight.linux@gmail.com>,
linuxppc-dev@lists.ozlabs.org
Subject: Re: [PATCH v2 3/5] s390: Add -m64 to KBUILD_CPPFLAGS
Date: Mon, 02 Mar 2026 09:42:24 +0100 [thread overview]
Message-ID: <204f4051-4fdd-41c8-8bcd-cab7551474ea@app.fastmail.com> (raw)
In-Reply-To: <20260302-vdso-compat-checkflags-v2-3-78e55baa58ba@linutronix.de>
On Mon, Mar 2, 2026, at 08:58, Thomas Weißschuh wrote:
> Some non-code files, like linkescripts, are preprocessed with the C
> preprocessor and make use of regular kernel headers.
> As -m64 is not passed to those preprocessor invocations this leads
> to an inconsistency between __BITS_PER_LONG and the C type 'long'.
> An upcoming consistency check will be tripped by this.
>
> Make sure -m64 is also defined for those preprocessing steps.
>
> As KBUILD_CPPFLAGS is inherited by both KBUILD_AFLAGS and KBUILD_CFLAGS,
> drop -m64 from these variables.
>
> Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
next prev parent reply other threads:[~2026-03-02 8:42 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-03-02 7:58 [PATCH v2 0/5] vDSO: Use 32-bit CHECKFLAGS for compat vDSO Thomas Weißschuh
2026-03-02 7:58 ` [PATCH v2 1/5] x86/vdso: " Thomas Weißschuh
2026-03-02 7:58 ` [PATCH v2 2/5] sparc64: vdso: " Thomas Weißschuh
2026-03-02 7:58 ` [PATCH v2 3/5] s390: Add -m64 to KBUILD_CPPFLAGS Thomas Weißschuh
2026-03-02 8:42 ` Arnd Bergmann [this message]
2026-03-02 7:58 ` [PATCH v2 4/5] powerpc/audit: directly include unistd_32.h from compat_audit.c Thomas Weißschuh
2026-03-02 8:41 ` Arnd Bergmann
2026-03-02 7:58 ` [PATCH v2 5/5] asm-generic/bitsperlong.h: Add sanity checks for __BITS_PER_LONG Thomas Weißschuh
2026-03-06 10:43 ` [PATCH v2 0/5] vDSO: Use 32-bit CHECKFLAGS for compat vDSO Christophe Leroy (CS GROUP)
2026-03-06 13:08 ` Thomas Weißschuh
2026-03-06 13:26 ` Christophe Leroy (CS GROUP)
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=204f4051-4fdd-41c8-8bcd-cab7551474ea@app.fastmail.com \
--to=arnd@arndb.de \
--cc=agordeev@linux.ibm.com \
--cc=andreas@gaisler.com \
--cc=borntraeger@linux.ibm.com \
--cc=bp@alien8.de \
--cc=chleroy@kernel.org \
--cc=dave.hansen@linux.intel.com \
--cc=davem@davemloft.net \
--cc=david.laight.linux@gmail.com \
--cc=gor@linux.ibm.com \
--cc=hca@linux.ibm.com \
--cc=hpa@zytor.com \
--cc=linux-arch@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-s390@vger.kernel.org \
--cc=linuxppc-dev@lists.ozlabs.org \
--cc=luto@kernel.org \
--cc=maddy@linux.ibm.com \
--cc=mingo@redhat.com \
--cc=mpe@ellerman.id.au \
--cc=npiggin@gmail.com \
--cc=sparclinux@vger.kernel.org \
--cc=svens@linux.ibm.com \
--cc=tglx@kernel.org \
--cc=thomas.weissschuh@linutronix.de \
--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