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Mon, 22 Sep 2025 10:16:29 -0400 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id 6113C407B1; Mon, 22 Sep 2025 14:16:18 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9D002C4CEF0; Mon, 22 Sep 2025 14:16:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1758550578; bh=HjFoetad7pVh56arqUjyTqmHVD2kvUjNM6Qt9XVUY6o=; h=From:To:Cc:Subject:Date:From; b=QZPUrA/tC/kcG6C7J4XoeWvetnvrVPIml20bj6O1g0yguNOETNhmM/pJB12nEoIDJ rxnnHUhU+sMJKJNZ/XgDoTxm5jnvl9OF2eXlguT45MT/7oy89s0t5NFbkgu77V2vx9 A++tktw7vBcJh7UcJV4AYZCy8sotxdliJc6jpP+KFNENf2srxWGhNrfXBHwhXo1vvJ 31GW4Muzilcu84PDbbBtFCUc8caiOAkNBMCYvFHBIScgrb56dSBnVNx0qpFSsdy2rA aL0TP4t5O/4TXug0ubCNlOGCD/bYCuEcaIf942s/ezHMdPNMZKGdVCqMCAwO7P2wtr islaBR/ZBgdYA== From: Huacai Chen To: Bibo Mao , Song Gao Cc: Jiaxun Yang , WANG Xuerui , qemu-devel@nongnu.org, Huacai Chen , Nathan Chancellor , WANG Rui Subject: [PATCH] hw/loongarch/virt: Align VIRT_GED_CPUHP_ADDR to 4 bytes Date: Mon, 22 Sep 2025 22:15:57 +0800 Message-ID: <20250922141557.1939333-1-chenhuacai@kernel.org> X-Mailer: git-send-email 2.47.3 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2600:3c0a:e001:78e:0:1991:8:25; envelope-from=chenhuacai@kernel.org; helo=sea.source.kernel.org X-Spam_score_int: -24 X-Spam_score: -2.5 X-Spam_bar: -- X-Spam_report: (-2.5 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.442, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_NONE=0.001, T_SPF_TEMPERROR=0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @kernel.org) X-ZM-MESSAGEID: 1758550709035116600 Content-Type: text/plain; charset="utf-8" From: Huacai Chen Now VIRT_GED_CPUHP_ADDR is not aligned to 4 bytes, but if Linux kernel is built with ACPI_MISALIGNMENT_NOT_SUPPORTED, it assumes the alignment, otherwise we get ACPI errors at boot phase: ACPI Error: AE_AML_ALIGNMENT, Returned by Handler for [SystemMemory] (20250= 404/evregion-301) ACPI Error: Aborting method \_SB.CPUS.CSTA due to previous error (AE_AML_AL= IGNMENT) (20250404/psparse-529) ACPI Error: Aborting method \_SB.CPUS.C000._STA due to previous error (AE_A= ML_ALIGNMENT) (20250404/psparse-529) ACPI Error: Method execution failed \_SB.CPUS.C000._STA due to previous err= or (AE_AML_ALIGNMENT) (20250404/uteval-68) VIRT_GED_MEM_ADDR and VIRT_GED_REG_ADDR are already aligned now, but use QEMU_ALIGN_UP() to explicitly align them can make code more robust. Reported-by: Nathan Chancellor Suggested-by: WANG Rui Signed-off-by: Huacai Chen Reviewed-by: Bibo Mao --- include/hw/loongarch/virt.h | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/include/hw/loongarch/virt.h b/include/hw/loongarch/virt.h index 602feab0f0..be4f5d603f 100644 --- a/include/hw/loongarch/virt.h +++ b/include/hw/loongarch/virt.h @@ -28,9 +28,9 @@ #define VIRT_LOWMEM_SIZE 0x10000000 #define VIRT_HIGHMEM_BASE 0x80000000 #define VIRT_GED_EVT_ADDR 0x100e0000 -#define VIRT_GED_MEM_ADDR (VIRT_GED_EVT_ADDR + ACPI_GED_EVT_SEL_LEN) -#define VIRT_GED_REG_ADDR (VIRT_GED_MEM_ADDR + MEMORY_HOTPLUG_IO_LEN) -#define VIRT_GED_CPUHP_ADDR (VIRT_GED_REG_ADDR + ACPI_GED_REG_COUNT) +#define VIRT_GED_MEM_ADDR QEMU_ALIGN_UP(VIRT_GED_EVT_ADDR + ACPI_GED= _EVT_SEL_LEN, 4) +#define VIRT_GED_REG_ADDR QEMU_ALIGN_UP(VIRT_GED_MEM_ADDR + MEMORY_H= OTPLUG_IO_LEN, 4) +#define VIRT_GED_CPUHP_ADDR QEMU_ALIGN_UP(VIRT_GED_REG_ADDR + ACPI_GED= _REG_COUNT, 4) =20 #define COMMAND_LINE_SIZE 512 =20 --=20 2.47.3