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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 56C98C04A94 for ; Fri, 11 Aug 2023 23:05:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235592AbjHKXE6 (ORCPT ); Fri, 11 Aug 2023 19:04:58 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38484 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236962AbjHKXDh (ORCPT ); Fri, 11 Aug 2023 19:03:37 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C4B9C3ABD for ; Fri, 11 Aug 2023 16:01:41 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 655F667ADC for ; Fri, 11 Aug 2023 23:01:41 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id B2B29C433C7; Fri, 11 Aug 2023 23:01:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1691794900; bh=ArF7vWIbgDMvNqmxfNkNP74R6mDxHr11XsUml9n7KEc=; h=Date:To:From:Subject:From; b=ARXiJpWdtQ+8C0Bv9V/HiS30cVAdHj7pcZdIAF5JluRds6eQc0JRwu7bx3JgEy/DP 3vPJSFCMISbv2ICWnwxVKWzYTaqTXYMujUyl+/XDkTitsRQ+VDn8SdqU52SfDpNNeF cbMIK0azG+ckTCLCf9iVom3hQJ5zRR5JkLPPgV7c= Date: Fri, 11 Aug 2023 16:01:40 -0700 To: mm-commits@vger.kernel.org, ysato@users.sourceforge.jp, willy@infradead.org, will@kernel.org, wangkefeng.wang@huawei.com, vgupta@kernel.org, svens@linux.ibm.com, stefan.kristiansson@saunalahti.fi, shorne@gmail.com, schnelle@linux.ibm.com, rppt@kernel.org, npiggin@gmail.com, nathan@kernel.org, mpe@ellerman.id.au, jonas@southpole.se, jcmvbkbc@gmail.com, James.Bottomley@HansenPartnership.com, hch@lst.de, hca@linux.ibm.com, gor@linux.ibm.com, glaubitz@physik.fu-berlin.de, gerald.schaefer@linux.ibm.com, geert@linux-m68k.org, deller@gmx.de, David.Laight@ACULAB.COM, dalias@libc.org, chris@zankel.net, christophe.leroy@csgroup.eu, catalin.marinas@arm.com, borntraeger@linux.ibm.com, bcain@quicinc.com, arnd@arndb.de, agordeev@linux.ibm.com, bhe@redhat.com, akpm@linux-foundation.org From: Andrew Morton Subject: [merged mm-stable] arm64-mm-add-wrapper-function-ioremap_prot.patch removed from -mm tree Message-Id: <20230811230140.B2B29C433C7@smtp.kernel.org> Precedence: bulk Reply-To: linux-kernel@vger.kernel.org List-ID: X-Mailing-List: mm-commits@vger.kernel.org The quilt patch titled Subject: arm64 : mm: add wrapper function ioremap_prot() has been removed from the -mm tree. Its filename was arm64-mm-add-wrapper-function-ioremap_prot.patch This patch was dropped because it was merged into the mm-stable branch of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm ------------------------------------------------------ From: Baoquan He Subject: arm64 : mm: add wrapper function ioremap_prot() Date: Thu, 6 Jul 2023 23:45:19 +0800 Since hook functions ioremap_allowed() and iounmap_allowed() will be obsoleted, add wrapper function ioremap_prot() to contain the the specific handling in addition to generic_ioremap_prot() invocation. Link: https://lkml.kernel.org/r/20230706154520.11257-19-bhe@redhat.com Signed-off-by: Baoquan He Reviewed-by: Christoph Hellwig Reviewed-by: Kefeng Wang Reviewed-by: Mike Rapoport (IBM) Acked-by: Catalin Marinas Cc: Catalin Marinas Cc: Will Deacon Cc: Alexander Gordeev Cc: Arnd Bergmann Cc: Brian Cain Cc: Christian Borntraeger Cc: Christophe Leroy Cc: Chris Zankel Cc: David Laight Cc: Geert Uytterhoeven Cc: Gerald Schaefer Cc: Heiko Carstens Cc: Helge Deller Cc: "James E.J. Bottomley" Cc: John Paul Adrian Glaubitz Cc: Jonas Bonn Cc: Matthew Wilcox Cc: Max Filippov Cc: Michael Ellerman Cc: Nathan Chancellor Cc: Nicholas Piggin Cc: Niklas Schnelle Cc: Rich Felker Cc: Stafford Horne Cc: Stefan Kristiansson Cc: Sven Schnelle Cc: Vasily Gorbik Cc: Vineet Gupta Cc: Yoshinori Sato Signed-off-by: Andrew Morton --- arch/arm64/include/asm/io.h | 3 +-- arch/arm64/mm/ioremap.c | 10 ++++++---- 2 files changed, 7 insertions(+), 6 deletions(-) --- a/arch/arm64/include/asm/io.h~arm64-mm-add-wrapper-function-ioremap_prot +++ a/arch/arm64/include/asm/io.h @@ -139,8 +139,7 @@ extern void __memset_io(volatile void __ * I/O memory mapping functions. */ -bool ioremap_allowed(phys_addr_t phys_addr, size_t size, unsigned long prot); -#define ioremap_allowed ioremap_allowed +#define ioremap_prot ioremap_prot #define _PAGE_IOREMAP PROT_DEVICE_nGnRE --- a/arch/arm64/mm/ioremap.c~arm64-mm-add-wrapper-function-ioremap_prot +++ a/arch/arm64/mm/ioremap.c @@ -3,20 +3,22 @@ #include #include -bool ioremap_allowed(phys_addr_t phys_addr, size_t size, unsigned long prot) +void __iomem *ioremap_prot(phys_addr_t phys_addr, size_t size, + unsigned long prot) { unsigned long last_addr = phys_addr + size - 1; /* Don't allow outside PHYS_MASK */ if (last_addr & ~PHYS_MASK) - return false; + return NULL; /* Don't allow RAM to be mapped. */ if (WARN_ON(pfn_is_map_memory(__phys_to_pfn(phys_addr)))) - return false; + return NULL; - return true; + return generic_ioremap_prot(phys_addr, size, __pgprot(prot)); } +EXPORT_SYMBOL(ioremap_prot); /* * Must be called after early_fixmap_init _ Patches currently in -mm which might be from bhe@redhat.com are net-altera-tse-make-altera_tse-depend-on-has_iomem.patch irqchip-al-fic-make-al_fic-depend-on-has_iomem.patch