From nobody Mon Feb 9 08:32:54 2026 Received: from mail.loongson.cn (mail.loongson.cn [114.242.206.163]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 2068A8837; Tue, 3 Dec 2024 06:50:42 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=114.242.206.163 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733208648; cv=none; b=tuBfA6zslPhF4ggYHG/nNyZ9FCvRYmnV3pmGJbEAH/Z37DYXphgB8D9NNE6GZvDHKuvVoG0TV/hr+zx2gcDhdchYGlo0bAEg3vsi3i8kRYFiOIZcdQ5oE+Znpte9Sj/KK3TyIyyf/HBXNYAn4rZ3GGmvlbdMPzuxQTQFJL1PGIk= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733208648; c=relaxed/simple; bh=vK3nHiRvsYyzZ2ySFUO1HZaxlOSxOdjetDSxes1tMI4=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=gIXc8d3OdA4MKO/POrFCKP+KwWcRTjgL5nH094vpGJT7yZ43vVKpyll407BncsJ7VeUpxwxiIeSpbrIS7zE3Fl8xLtu6uZF6S5mDv9LuHpVXlw2RuhtKRG1Co4IEN+EWBgo1DfvAaUWQP/f/jw2q1TLqYj6JqMs5aE3FOn7d3Lg= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=loongson.cn; spf=pass smtp.mailfrom=loongson.cn; arc=none smtp.client-ip=114.242.206.163 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=loongson.cn Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=loongson.cn Received: from loongson.cn (unknown [223.64.68.38]) by gateway (Coremail) with SMTP id _____8CxieE3qk5nCXtPAA--.26365S3; Tue, 03 Dec 2024 14:50:31 +0800 (CST) Received: from localhost.localdomain (unknown [223.64.68.38]) by front1 (Coremail) with SMTP id qMiowMCx+8Evqk5nVnpzAA--.9933S2; Tue, 03 Dec 2024 14:50:28 +0800 (CST) From: Huacai Chen To: Arnd Bergmann , Huacai Chen Cc: loongarch@lists.linux.dev, linux-arch@vger.kernel.org, Xuefeng Li , Guo Ren , Xuerui Wang , Jiaxun Yang , linux-kernel@vger.kernel.org, loongson-kernel@lists.loongnix.cn, Huacai Chen , Xuefeng Zhao , Jianmin Lv , Tianyang Zhang Subject: [PATCH] LoongArch: Fix reserving screen info memory for above-4G firmware Date: Tue, 3 Dec 2024 14:50:10 +0800 Message-ID: <20241203065010.4164506-1-chenhuacai@loongson.cn> X-Mailer: git-send-email 2.43.5 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-CM-TRANSID: qMiowMCx+8Evqk5nVnpzAA--.9933S2 X-CM-SenderInfo: hfkh0x5xdftxo6or00hjvr0hdfq/ X-Coremail-Antispam: 1Uk129KBj9xXoWrKF4kJrW5Kr13urWfGFyrXwc_yoWkXrg_WF WxWa1kKr18Aay093yjqa15Jr10vw40van3C3Z7Xwn8Jw1YvF9xJF1xW3s3ZrnxWrWUWrs8 Aay2qF9akr12vosvyTuYvTs0mTUanT9S1TB71UUUUjUqnTZGkaVYY2UrUUUUj1kv1TuYvT s0mT0YCTnIWjqI5I8CrVACY4xI64kE6c02F40Ex7xfYxn0WfASr-VFAUDa7-sFnT9fnUUI cSsGvfJTRUUUbS8YFVCjjxCrM7AC8VAFwI0_Jr0_Gr1l1xkIjI8I6I8E6xAIw20EY4v20x vaj40_Wr0E3s1l1IIY67AEw4v_Jrv_JF1l8cAvFVAK0II2c7xJM28CjxkF64kEwVA0rcxS w2x7M28EF7xvwVC0I7IYx2IY67AKxVWUCVW8JwA2z4x0Y4vE2Ix0cI8IcVCY1x0267AKxV W8JVWxJwA2z4x0Y4vEx4A2jsIE14v26r4UJVWxJr1l84ACjcxK6I8E87Iv6xkF7I0E14v2 6r4UJVWxJr1ln4kS14v26r1Y6r17M2AIxVAIcxkEcVAq07x20xvEncxIr21l57IF6xkI12 xvs2x26I8E6xACxx1l5I8CrVACY4xI64kE6c02F40Ex7xfMcIj6xIIjxv20xvE14v26r1Y 6r17McIj6I8E87Iv67AKxVWUJVW8JwAm72CE4IkC6x0Yz7v_Jr0_Gr1lF7xvr2IYc2Ij64 vIr41lc7CjxVAaw2AFwI0_JF0_Jw1l42xK82IYc2Ij64vIr41l4I8I3I0E4IkC6x0Yz7v_ Jr0_Gr1l4IxYO2xFxVAFwI0_Jrv_JF1lx2IqxVAqx4xG67AKxVWUJVWUGwC20s026x8Gjc xK67AKxVWUGVWUWwC2zVAF1VAY17CE14v26r1q6r43MIIYrxkI7VAKI48JMIIF0xvE2Ix0 cI8IcVAFwI0_Jr0_JF4lIxAIcVC0I7IYx2IY6xkF7I0E14v26r1j6r4UMIIF0xvE42xK8V AvwI8IcIk0rVWUJVWUCwCI42IY6I8E87Iv67AKxVWUJVW8JwCI42IY6I8E87Iv6xkF7I0E 14v26r1j6r4UYxBIdaVFxhVjvjDU0xZFpf9x07jOa93UUUUU= Content-Type: text/plain; charset="utf-8" Since screen_info.lfb_base is a __u32 type, an above-4G address need an ext_lfb_base to present its higher 32bits. In init_screen_info() we can use __screen_info_lfb_base() to handle this case for reserving screen info memory. Signed-off-by: Xuefeng Zhao Signed-off-by: Jianmin Lv Signed-off-by: Tianyang Zhang Signed-off-by: Huacai Chen --- arch/loongarch/kernel/efi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/loongarch/kernel/efi.c b/arch/loongarch/kernel/efi.c index 2bf86aeda874..de21e72759ee 100644 --- a/arch/loongarch/kernel/efi.c +++ b/arch/loongarch/kernel/efi.c @@ -95,7 +95,7 @@ static void __init init_screen_info(void) memset(si, 0, sizeof(*si)); early_memunmap(si, sizeof(*si)); =20 - memblock_reserve(screen_info.lfb_base, screen_info.lfb_size); + memblock_reserve(__screen_info_lfb_base(&screen_info), screen_info.lfb_si= ze); } =20 void __init efi_init(void) --=20 2.43.5