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Rao" , Nick Desaulniers , Bill Wendling , Justin Stitt , Kevin Hao , linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, llvm@lists.linux.dev Subject: [PATCH] powerpc: ps3: mark ps3_notification_device static for stack usage Date: Wed, 20 Mar 2024 19:03:21 +0100 Message-Id: <20240320180333.151043-1-arnd@kernel.org> X-Mailer: git-send-email 2.39.2 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Arnd Bergmann The device is way too large to be on the stack, causing a warning for an allmodconfig build with clang: arch/powerpc/platforms/ps3/device-init.c:771:12: error: stack frame size (2064) exceeds limit (2048) in 'ps3_probe_thread' [-Werror,-Wframe-larger-than] 771 | static int ps3_probe_thread(void *data) There is only a single thread that ever accesses this, so it's fine to make it static, which avoids the warning. Fixes: b4cb2941f855 ("[POWERPC] PS3: Use the HVs storage device notification mechanism properly") Signed-off-by: Arnd Bergmann --- arch/powerpc/platforms/ps3/device-init.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/powerpc/platforms/ps3/device-init.c b/arch/powerpc/platforms/ps3/device-init.c index 878bc160246e..ce99f06698a9 100644 --- a/arch/powerpc/platforms/ps3/device-init.c +++ b/arch/powerpc/platforms/ps3/device-init.c @@ -770,7 +770,7 @@ static struct task_struct *probe_task; static int ps3_probe_thread(void *data) { - struct ps3_notification_device dev; + static struct ps3_notification_device dev; int res; unsigned int irq; u64 lpar; -- 2.39.2