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Wed, 09 Oct 2024 12:07:18 +0100 Date: Wed, 09 Oct 2024 12:07:17 +0100 Message-ID: <86set55yca.wl-maz@kernel.org> From: Marc Zyngier To: Tianjia Zhang Cc: Oliver Upton , Joey Gouly , Suzuki K Poulose , Zenghui Yu , Catalin Marinas , Will Deacon , Nathan Chancellor , Nick Desaulniers , Bill Wendling , Justin Stitt , =?UTF-8?B?UGllcnJlLUNsw6ltZW50?= Tosi , linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev, linux-kernel@vger.kernel.org, llvm@lists.linux.dev Subject: Re: [PATCH] KVM: arm64: nVHE: gen-hyprel: Silent build warnings In-Reply-To: <20241009085751.35976-1-tianjia.zhang@linux.alibaba.com> References: <20241009085751.35976-1-tianjia.zhang@linux.alibaba.com> User-Agent: Wanderlust/2.15.9 (Almost Unreal) SEMI-EPG/1.14.7 (Harue) FLIM-LB/1.14.9 (=?UTF-8?B?R29qxY0=?=) APEL-LB/10.8 EasyPG/1.0.0 Emacs/29.4 (aarch64-unknown-linux-gnu) MULE/6.0 (HANACHIRUSATO) MIME-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") Content-Type: text/plain; charset=US-ASCII X-SA-Exim-Connect-IP: 185.219.108.64 X-SA-Exim-Rcpt-To: tianjia.zhang@linux.alibaba.com, oliver.upton@linux.dev, joey.gouly@arm.com, suzuki.poulose@arm.com, yuzenghui@huawei.com, catalin.marinas@arm.com, will@kernel.org, nathan@kernel.org, ndesaulniers@google.com, morbo@google.com, justinstitt@google.com, ptosi@google.com, linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev, linux-kernel@vger.kernel.org, llvm@lists.linux.dev X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241009_040721_897770_3C4FF131 X-CRM114-Status: GOOD ( 12.89 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Wed, 09 Oct 2024 09:57:51 +0100, Tianjia Zhang wrote: > > This patch silent the some mismatch format build warnings > with clang, like: > > arch/arm64/kvm/hyp/nvhe/gen-hyprel.c:233:2: warning: format specifies > type 'unsigned long' but the argument has type 'Elf64_Off' > (aka 'unsigned long long') [-Wformat] > 233 | assert_ne(off, 0UL, "%lu"); > | ^~~~~~~~~~~~~~~~~~~~~~~~~~ > | %llu > arch/arm64/kvm/hyp/nvhe/gen-hyprel.c:193:34: note: expanded from macro 'assert_ne' > 193 | #define assert_ne(lhs, rhs, fmt) assert_op(lhs, rhs, fmt, !=) > | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ > arch/arm64/kvm/hyp/nvhe/gen-hyprel.c:188:19: note: expanded from macro 'assert_op' > 187 | " failed (lhs=" fmt ", rhs=" fmt \ > | ~~~ > 188 | ", line=%d)", _lhs, _rhs, __LINE__); \ > | ^~~~ > arch/arm64/kvm/hyp/nvhe/gen-hyprel.c:167:17: note: expanded from macro 'fatal_error' > 166 | fprintf(stderr, "error: %s: " fmt "\n", \ > | ~~~ > 167 | elf.path, ## __VA_ARGS__); \ > | ^~~~~~~~~~~ > > Signed-off-by: Tianjia Zhang I don't see these warnings. What version of LLVM are you using? M. -- Without deviation from the norm, progress is not possible.