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=-15.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,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=unavailable 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 DC561C4361B for ; Sat, 5 Dec 2020 06:59:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B191C22D2A for ; Sat, 5 Dec 2020 06:59:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387485AbgLEG7T (ORCPT ); Sat, 5 Dec 2020 01:59:19 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48506 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387443AbgLEG7T (ORCPT ); Sat, 5 Dec 2020 01:59:19 -0500 Received: from mail-pg1-x544.google.com (mail-pg1-x544.google.com [IPv6:2607:f8b0:4864:20::544]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D04DCC061A51; Fri, 4 Dec 2020 22:58:38 -0800 (PST) Received: by mail-pg1-x544.google.com with SMTP id t3so4928573pgi.11; Fri, 04 Dec 2020 22:58:38 -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=ukqOtiGe7P2XNpwcoCHPv4PLVVLigIR0wfkbWLYHCk03Qwl78XRRc25X9C1RXu0jHe 71KyORclr783FXhdRwXEwnRYE8V5N9Dlyrpf+r1au98v+1tkhP1N6fl1HslUf7ZQ6F5a XTq1ZFQ+e2jvjUGVPu2b86zd+bEI1VIn6WCJ/qjsEj8yxdBoHFWiVg+eMQZWOAY5xRFj C11oel1teBnWh8SCk/mPyWyo/bfzkUXfP4dXdfU1VwuAWLs0NLmFg3F0v74OQujpFaki 9EIdB0FMiyQGzJUoI3N8vq5BLpK4IyZzsPMZT6nSzTsZ26MvND8g+ErfJa8+fsz1pJ2o 6LkQ== 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=GMvY70pr+9C7mTD3zj+lNuLn0/VKKWVaPYQ3+6uBqDyuq9r/IYXUE39jwozmECq6kG CTEBCv4q3sYKl4II1oqrroYwvD8gUwNT3pnUF26qRbXoFZBESgCdecd9iiGL+K6FJhUU 4AbkSEoI7Xb7lYdgGvvsJl4IZvXsrCDbbaKocK6Rzbvz6gPwTk0kWwu3ReXqXPFrfIRw 1ZpDEgKgB41hT3l867/fcGmZtWWz/Z79+Cy1cb3JQAr/SDc1kKyMbZcRW8F8iIGGwU3F zgp18e8+DYdaYZkAr/D3xB/fYxq73mF+huvmr61bkef+DHrKWV+nYwC3bOhFR+hMgEKA 1mzg== X-Gm-Message-State: AOAM531Us6nqTyXRzRO3C4LuH10Uf8hbS7UmRQTlIWCuSOTz+YyGi8vd lJ5aj//Fd7ij9ekELYOHiBA= X-Google-Smtp-Source: ABdhPJy4ceoebyQbTqB4fE0S1EBU/ZP1A2fSE/NXY9uIYYRFQfIy2FdDgibtFhuJU5XMFvZqvTYP+Q== X-Received: by 2002:aa7:8052:0:b029:196:4dbb:99fe with SMTP id y18-20020aa780520000b02901964dbb99femr7374783pfm.11.1607151518507; Fri, 04 Dec 2020 22:58:38 -0800 (PST) Received: from bobo.ozlabs.ibm.com ([1.129.145.238]) by smtp.gmail.com with ESMTPSA id a14sm1110848pfl.141.2020.12.04.22.58.33 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 04 Dec 2020 22:58:38 -0800 (PST) From: Nicholas Piggin To: linux-mm@kvack.org, Andrew Morton Cc: Nicholas Piggin , linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, Zefan Li , Jonathan Cameron , Christoph Hellwig , Christophe Leroy , Rick Edgecombe Subject: [PATCH v9 10/12] mm/vmalloc: add vmap_range_noflush variant Date: Sat, 5 Dec 2020 16:57:23 +1000 Message-Id: <20201205065725.1286370-11-npiggin@gmail.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20201205065725.1286370-1-npiggin@gmail.com> References: <20201205065725.1286370-1-npiggin@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-arch@vger.kernel.org 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