From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-13.5 required=3.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED,DKIM_INVALID,DKIM_SIGNED,FREEMAIL_FORGED_FROMDOMAIN, FREEMAIL_FROM,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id CF91AC63697 for ; Sat, 28 Nov 2020 15:39:41 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [203.11.71.2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 37B81246B3 for ; Sat, 28 Nov 2020 15:39:40 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="Mp0zn+oB" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 37B81246B3 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Received: from bilbo.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 4CjwfM2P9RzF0h0 for ; Sun, 29 Nov 2020 02:39:39 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=gmail.com (client-ip=2607:f8b0:4864:20::643; helo=mail-pl1-x643.google.com; envelope-from=npiggin@gmail.com; receiver=) Authentication-Results: lists.ozlabs.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20161025 header.b=Mp0zn+oB; dkim-atps=neutral Received: from mail-pl1-x643.google.com (mail-pl1-x643.google.com [IPv6:2607:f8b0:4864:20::643]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4CjwN70g75zDrRx for ; Sun, 29 Nov 2020 02:27:03 +1100 (AEDT) Received: by mail-pl1-x643.google.com with SMTP id l1so4098561pld.5 for ; Sat, 28 Nov 2020 07:27:03 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=cxeoavWkBKpHEVfZRK3a60KePQvEOREDyC26QCPQwGc=; b=Mp0zn+oBNq23JKWM/VThMMhPZwOv3ULXqyHMSbU+8eq462RFm0HjxEft5FwwThVa2g Gdri/pSNwbSjd4GaBz7LMT7YU4sY+pCpvoKDDARY6wTEO1mOWMrZFvNV76XW71W3IYC8 Sy97jC4i3tcEucGD5CeJs3bSrFigN60xly++kizAtnlCqvYm0U8ZYqb63x5SyfoRlNht /01j3f7AfaN6eKgeFj4VDZoJjwecKRpm+EOre9dlnVWQ58a54p8t0zy7dbaS44WgmHkp vdbvtn1f0WRrOS2xbTQK2bp2rXfc+KTBnwUK7oaNJ+cHrevFjLn3+MrrSl3LOcd2DFGX VUvA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=cxeoavWkBKpHEVfZRK3a60KePQvEOREDyC26QCPQwGc=; b=YWVVznXITsUVILdHHWyWc6//QW72t5JCauMUvgqzW+7vxXkIkWSDeO6rKzcEJSubyW W5SUmtgMU8srK9ieS+s3R14RTH0SGlFar0cgpHKEvYrmMRU3/jtDN3PkJZiSETurFSqM pDx7ptNlY5cxkM8kC16AwcTPktLOYl635B3YcU9+iSo1uQs5UYefIcB2zrvWMDKhbjAQ I0OsGXgcJBqJ3iekOc0uFyDxoRj1R8/zxZ2406Euq4u4d2iE9OJtO6mfCvt4vYYfep9M QWWUdVgKJJSRw1MN+QFet8wLEDsZtuduod7ILd96ADrkkeqsNdAj+aUIH0rcqtYkmnel 6J4w== X-Gm-Message-State: AOAM532ZLfbrKu5Dwjbm+PNbuxDZFAbjXBfNNxNC3xBQ/cGJYmko9VJP h303AWQY2L4vCdcerLLzAeQa+HIcMTQ= X-Google-Smtp-Source: ABdhPJzuZ3Dhw6J8hTZ/FG/h2c0xFsw7tIsXj/w3J/q6NkcPqqpvR5GqBDTkYAO1QuSMgiGsudTbdg== X-Received: by 2002:a17:902:bb8b:b029:da:beb:b81e with SMTP id m11-20020a170902bb8bb02900da0bebb81emr11684808pls.44.1606577220717; Sat, 28 Nov 2020 07:27:00 -0800 (PST) Received: from bobo.ibm.com (193-116-103-132.tpgi.com.au. [193.116.103.132]) by smtp.gmail.com with ESMTPSA id d22sm15500173pjw.11.2020.11.28.07.26.56 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 28 Nov 2020 07:27:00 -0800 (PST) From: Nicholas Piggin To: linux-mm@kvack.org, Andrew Morton Subject: [PATCH v8 10/12] mm/vmalloc: add vmap_range_noflush variant Date: Sun, 29 Nov 2020 01:25:57 +1000 Message-Id: <20201128152559.999540-11-npiggin@gmail.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20201128152559.999540-1-npiggin@gmail.com> References: <20201128152559.999540-1-npiggin@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org, Nicholas Piggin , Christoph Hellwig , Zefan Li , Jonathan Cameron , linuxppc-dev@lists.ozlabs.org Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" As a side-effect, the order of flush_cache_vmap() and arch_sync_kernel_mappings() calls are switched, but that now matches the other callers in this file. Signed-off-by: Nicholas Piggin --- mm/vmalloc.c | 16 +++++++++++++--- 1 file changed, 13 insertions(+), 3 deletions(-) diff --git a/mm/vmalloc.c b/mm/vmalloc.c index 2f236aeeac24..ee9c3bee67f5 100644 --- a/mm/vmalloc.c +++ b/mm/vmalloc.c @@ -235,7 +235,7 @@ static int vmap_p4d_range(pgd_t *pgd, unsigned long addr, unsigned long end, return 0; } -int vmap_range(unsigned long addr, unsigned long end, +static int vmap_range_noflush(unsigned long addr, unsigned long end, phys_addr_t phys_addr, pgprot_t prot, unsigned int max_page_shift) { @@ -257,14 +257,24 @@ int vmap_range(unsigned long addr, unsigned long end, break; } while (pgd++, phys_addr += (next - addr), addr = next, addr != end); - flush_cache_vmap(start, end); - if (mask & ARCH_PAGE_TABLE_SYNC_MASK) arch_sync_kernel_mappings(start, end); return err; } +int vmap_range(unsigned long addr, unsigned long end, + phys_addr_t phys_addr, pgprot_t prot, + unsigned int max_page_shift) +{ + int err; + + err = vmap_range_noflush(addr, end, phys_addr, prot, max_page_shift); + flush_cache_vmap(addr, end); + + return err; +} + static void vunmap_pte_range(pmd_t *pmd, unsigned long addr, unsigned long end, pgtbl_mod_mask *mask) { -- 2.23.0