From patchwork Mon Sep 23 13:13:49 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kefeng Wang X-Patchwork-Id: 13809592 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id E654ECF9C69 for ; Mon, 23 Sep 2024 13:17:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Type: Content-Transfer-Encoding:MIME-Version:Message-ID:Date:Subject:CC:To:From: Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender :Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References:List-Owner; bh=2rX7ZV91L2CVrC56/6A+OBrhiUep/lSfUWWAjXOC3ME=; b=EQJrWGJkSwrYNLaBBhLazW44OT ze4ZZKgYXeI+NfmL0DR604JdfiR/bwcmWVNN9DhEafKJ8k8bW7l2Ji1FODmjB21W2K0RbEub57dr2 OVzRASKR+AEJkKWPWH6lylV4/WKzqFgOOqkyROEYX5YxYwfC+l9D2/MRumXHeZac7TN77tcdeLPr0 Rf9cJjilGzGb9dRYdbiyJexkU/LN2jsnvTcGl/N+yXEdH+YNtyJak5ap+HpthmN8h39x8B4ZjzSFv PAynq1eNgM3XtDXc+zkFUVlNMozK9FrF4zqaiGiuvFO6WOs/PvvMu8WZOnw2CVeAQiQ1l0+ArmQJz z07QcUjQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1ssiwO-0000000HG5f-00MV; Mon, 23 Sep 2024 13:17:24 +0000 Received: from szxga06-in.huawei.com ([45.249.212.32]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1ssiu9-0000000HFs3-0u1q for linux-arm-kernel@lists.infradead.org; Mon, 23 Sep 2024 13:15:07 +0000 Received: from mail.maildlp.com (unknown [172.19.88.234]) by szxga06-in.huawei.com (SkyGuard) with ESMTP id 4XC3Pc4ZBLz1ymDG; Mon, 23 Sep 2024 21:15:00 +0800 (CST) Received: from dggpemf100008.china.huawei.com (unknown [7.185.36.138]) by mail.maildlp.com (Postfix) with ESMTPS id 65EB7140259; Mon, 23 Sep 2024 21:14:59 +0800 (CST) Received: from localhost.localdomain (10.175.112.125) by dggpemf100008.china.huawei.com (7.185.36.138) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.11; Mon, 23 Sep 2024 21:14:58 +0800 From: Kefeng Wang To: Catalin Marinas , Will Deacon CC: Anshuman Khandual , Ryan Roberts , , Yicong Yang , Kefeng Wang Subject: [PATCH v3 0/2] arm64: tlbflush: optimize flush tlb kernel range Date: Mon, 23 Sep 2024 21:13:49 +0800 Message-ID: <20240923131351.713304-1-wangkefeng.wang@huawei.com> X-Mailer: git-send-email 2.27.0 MIME-Version: 1.0 X-Originating-IP: [10.175.112.125] X-ClientProxiedBy: dggems701-chm.china.huawei.com (10.3.19.178) To dggpemf100008.china.huawei.com (7.185.36.138) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240923_061505_532303_D8D6BCC4 X-CRM114-Status: UNSURE ( 5.81 ) X-CRM114-Notice: Please train this message. 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 Supports TLB range operations when flush tlb kernel range. v3: - add helper to check maximum number of TLBI operations to avoid duplicate code in flush_tlb_kernel_range(), suggested by Anshuman v2: - address Catalin's comments and use __flush_tlb_range_op() directly Kefeng Wang (2): arm64: tlbflush: add __flush_tlb_range_limit_excess() arm64: optimize flush tlb kernel range arch/arm64/include/asm/tlbflush.h | 43 +++++++++++++++++++------------ 1 file changed, 27 insertions(+), 16 deletions(-)