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Fri, 16 Jan 2026 02:50:29 -0500 (EST) X-Mailer: MessagingEngine.com Webmail Interface Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ThreadId: A0bkllDka2_o Date: Fri, 16 Jan 2026 08:50:08 +0100 From: "Arnd Bergmann" To: =?UTF-8?Q?Thomas_Wei=C3=9Fschuh?= , "David S . Miller" , "Andreas Larsson" , "Andy Lutomirski" , "Thomas Gleixner" , "Ingo Molnar" , "Borislav Petkov" , "Dave Hansen" , x86@kernel.org, "H. Peter Anvin" , "Heiko Carstens" , "Vasily Gorbik" , "Alexander Gordeev" , "Christian Borntraeger" , "Sven Schnelle" Cc: sparclinux@vger.kernel.org, linux-kernel@vger.kernel.org, Linux-Arch , linux-s390@vger.kernel.org, "kernel test robot" Message-Id: <7c531c16-b620-4ca4-88e5-985f908fbfa3@app.fastmail.com> In-Reply-To: <20260116-vdso-compat-checkflags-v1-1-4a83b4fbb0d3@linutronix.de> References: <20260116-vdso-compat-checkflags-v1-0-4a83b4fbb0d3@linutronix.de> <20260116-vdso-compat-checkflags-v1-1-4a83b4fbb0d3@linutronix.de> Subject: Re: [PATCH 1/4] sparc64: vdso: Use 32-bit CHECKFLAGS for compat vDSO Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable On Fri, Jan 16, 2026, at 08:40, Thomas Wei=C3=9Fschuh wrote: > When building the compat vDSO the CHECKFLAGS from the 64-bit kernel > are used. These are combined with the 32-bit CFLAGS. This confuses > sparse, producing false-positive warnings or potentially missing > real issues. > > Manually override the CHECKFLAGS for the compat vDSO with the correct > 32-bit configuration. > > Reported-by: From: kernel test robot > Closes: https://lore.kernel.org/lkml/202511030021.9v1mIgts-lkp@intel.c= om/ > Signed-off-by: Thomas Wei=C3=9Fschuh Acked-by: Arnd Bergmann