From nobody Mon Feb 9 18:08:03 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1656385502985375.4017013249403; Mon, 27 Jun 2022 20:05:02 -0700 (PDT) Received: from localhost ([::1]:45032 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1o61XB-0002bb-Mg for importer@patchew.org; Mon, 27 Jun 2022 23:05:01 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:53416) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1o61WM-0001vp-JX for qemu-devel@nongnu.org; Mon, 27 Jun 2022 23:04:10 -0400 Received: from mail.loongson.cn ([114.242.206.163]:40676 helo=loongson.cn) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1o61WJ-0000vG-WE for qemu-devel@nongnu.org; Mon, 27 Jun 2022 23:04:10 -0400 Received: from localhost.localdomain (unknown [10.2.9.158]) by mail.loongson.cn (Coremail) with SMTP id AQAAf9Dxb9ugb7piTrBgAA--.7212S2; Tue, 28 Jun 2022 11:04:00 +0800 (CST) From: Mao Bibo To: =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= , Richard Henderson Cc: qemu-devel@nongnu.org Subject: [PATCH] include: set vm hva aligned with huge pagesize on loongarch Date: Tue, 28 Jun 2022 11:04:00 +0800 Message-Id: <20220628030400.1291793-1-maobibo@loongson.cn> X-Mailer: git-send-email 2.27.0 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-CM-TRANSID: AQAAf9Dxb9ugb7piTrBgAA--.7212S2 X-Coremail-Antispam: 1UD129KBjvdXoWrKFyDJr4ktr15Aw17WFykKrg_yoWfKrb_Z3 W7ur4kGr1rW34kKFW29Fn3Jay5G348GF4kuryFyFW7Cr1jkws8Gwn5ur47ur4vkrs0k34r uayvyr98ArW7KjkaLaAFLSUrUUUUjb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUIcSsGvfJTRUUUb7kYjsxI4VWkKwAYFVCjjxCrM7AC8VAFwI0_Jr0_Gr1l1xkIjI8I 6I8E6xAIw20EY4v20xvaj40_Wr0E3s1l1IIY67AEw4v_Jr0_Jr4l8cAvFVAK0II2c7xJM2 8CjxkF64kEwVA0rcxSw2x7M28EF7xvwVC0I7IYx2IY67AKxVW7JVWDJwA2z4x0Y4vE2Ix0 cI8IcVCY1x0267AKxVW8Jr0_Cr1UM28EF7xvwVC2z280aVAFwI0_Gr1j6F4UJwA2z4x0Y4 vEx4A2jsIEc7CjxVAFwI0_GcCE3s1le2I262IYc4CY6c8Ij28IcVAaY2xG8wAqx4xG64xv F2IEw4CE5I8CrVC2j2WlYx0E2Ix0cI8IcVAFwI0_JrI_JrylYx0Ex4A2jsIE14v26r1j6r 4UMcvjeVCFs4IE7xkEbVWUJVW8JwACjcxG0xvY0x0EwIxGrwCY02Avz4vE-syl42xK82IY c2Ij64vIr41l4I8I3I0E4IkC6x0Yz7v_Jr0_Gr1lx2IqxVAqx4xG67AKxVWUJVWUGwC20s 026x8GjcxK67AKxVWUGVWUWwC2zVAF1VAY17CE14v26r1Y6r17MIIYrxkI7VAKI48JMIIF 0xvE2Ix0cI8IcVAFwI0_Jr0_JF4lIxAIcVC0I7IYx2IY6xkF7I0E14v26r1j6r4UMIIF0x vE42xK8VAvwI8IcIk0rVW3JVWrJr1lIxAIcVC2z280aVAFwI0_Jr0_Gr1lIxAIcVC2z280 aVCY1x0267AKxVWUJVW8JbIYCTnIWIevJa73UjIFyTuYvjxUq_b1DUUUU X-CM-SenderInfo: xpdruxter6z05rqj20fqof0/ 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=114.242.206.163; envelope-from=maobibo@loongson.cn; helo=loongson.cn X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-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" X-ZM-MESSAGEID: 1656385503812100001 Content-Type: text/plain; charset="utf-8" On loongarch system, page size is 16K rather than 4K like general platforms, and huge pagesize is 32M. This patch sets hva for vm aligned with huge page= size on loongarch host system. Signed-off-by: Mao Bibo --- include/qemu/osdep.h | 3 +++ 1 file changed, 3 insertions(+) diff --git a/include/qemu/osdep.h b/include/qemu/osdep.h index b1c161c035..4f9aa53e35 100644 --- a/include/qemu/osdep.h +++ b/include/qemu/osdep.h @@ -451,6 +451,9 @@ extern int madvise(char *, size_t, int); # define QEMU_VMALLOC_ALIGN (256 * 4096) #elif defined(__linux__) && defined(__sparc__) # define QEMU_VMALLOC_ALIGN MAX(qemu_real_host_page_size(), SHMLBA) +#elif defined(__linux__) && defined(__loongarch__) +# define QEMU_VMALLOC_ALIGN (qemu_real_host_page_size() * \ + qemu_real_host_page_size() / sizeof(long)) #else # define QEMU_VMALLOC_ALIGN qemu_real_host_page_size() #endif --=20 2.27.0