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 lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (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 4D4BBC52D7C for ; Thu, 22 Aug 2024 15:12:27 +0000 (UTC) Received: from boromir.ozlabs.org (localhost [127.0.0.1]) by lists.ozlabs.org (Postfix) with ESMTP id 4WqRWX3YZcz2yk7; Fri, 23 Aug 2024 01:12:08 +1000 (AEST) Authentication-Results: lists.ozlabs.org; arc=none smtp.remote-ip=217.140.110.172 ARC-Seal: i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1724339528; cv=none; b=bmzX/JS2TRpZqRS/REF0HGvBe6ky96LnlZVFZjW9oGTF7371gYvlr20+8mdiBRF5HTPxXmwmHU6pQZs5ueb74PwEZIuw789e0l2j1UMYKsUNAS4D/mJiVQGlO4QJS6Df80cTNBLYjXuPMNzyHRuRriYI31kOyFO37By9IUOkPu50rbY1beMSPScJGVqPQ44tL4qrTGPqfezNKV2TS7KxpRphEG7rC3wQ1ocJuLBso8htosjGiUFRIA2dCkZs05OcHy3PthHWewgY6DB+5s75aXVs2ftdFxfPiLP9wZc33CAPOYF77ul5/XeBUVCAYSW74LX8aHdXbhLWLPe3wk3kpg== ARC-Message-Signature: i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1724339528; c=relaxed/relaxed; bh=AN5yxhdKyzfZdHqEo2A34b5U0fOr4xo1lXLMZ11v71Q=; h=Received:Received:From:To:Cc:Subject:Date:Message-Id:X-Mailer: In-Reply-To:References:MIME-Version:Content-Transfer-Encoding; b=aTY+9IKlu/VjE1quGx+CAB0t4a9nVd0yS7BgJho9m7mjm9/CirpwPkNpthR7AZV5yRXi+s9Jq408GMj1aTPE9LXSXetx7mbJsPd6WN03qL5NqIUfaBIR0BEVtySL4eBOreAnjWfRJJ91GpR2tHSkPFfgB//KYNk9y3onuHM7zoSxhqB1qFN1EjkC8e23eoDI0igHmCd5T1IYacsGYMrgWPkEOKkparlQrWLr4Cp7uo5gbb8Z70YVwjdLo3fFMVc9xJ2ujDQXX1hufcyLncRzb8K3lYCGZZooiX8S97rYLcVuSqFdH9EntcSA2k+8xOEU9v0XEWfCB1LISAMGeDiNuQ== ARC-Authentication-Results: i=1; lists.ozlabs.org; dmarc=pass (p=none dis=none) header.from=arm.com; spf=pass (client-ip=217.140.110.172; helo=foss.arm.com; envelope-from=joey.gouly@arm.com; receiver=lists.ozlabs.org) smtp.mailfrom=arm.com Authentication-Results: lists.ozlabs.org; dmarc=pass (p=none dis=none) header.from=arm.com Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=arm.com (client-ip=217.140.110.172; helo=foss.arm.com; envelope-from=joey.gouly@arm.com; receiver=lists.ozlabs.org) Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by lists.ozlabs.org (Postfix) with ESMTP id 4WqRWX24wNz2yhG for ; Fri, 23 Aug 2024 01:12:08 +1000 (AEST) Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 6108A1595; Thu, 22 Aug 2024 08:12:03 -0700 (PDT) Received: from e124191.cambridge.arm.com (e124191.cambridge.arm.com [10.1.197.45]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 336263F58B; Thu, 22 Aug 2024 08:11:33 -0700 (PDT) From: Joey Gouly To: linux-arm-kernel@lists.infradead.org Cc: nd@arm.com, akpm@linux-foundation.org, aneesh.kumar@kernel.org, aneesh.kumar@linux.ibm.com, anshuman.khandual@arm.com, bp@alien8.de, broonie@kernel.org, catalin.marinas@arm.com, christophe.leroy@csgroup.eu, dave.hansen@linux.intel.com, hpa@zytor.com, joey.gouly@arm.com, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, linuxppc-dev@lists.ozlabs.org, maz@kernel.org, mingo@redhat.com, mpe@ellerman.id.au, naveen.n.rao@linux.ibm.com, npiggin@gmail.com, oliver.upton@linux.dev, shuah@kernel.org, skhan@linuxfoundation.org, szabolcs.nagy@arm.com, tglx@linutronix.de, will@kernel.org, x86@kernel.org, kvmarm@lists.linux.dev, linux-kselftest@vger.kernel.org Subject: [PATCH v5 03/30] mm: use ARCH_PKEY_BITS to define VM_PKEY_BITN Date: Thu, 22 Aug 2024 16:10:46 +0100 Message-Id: <20240822151113.1479789-4-joey.gouly@arm.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20240822151113.1479789-1-joey.gouly@arm.com> References: <20240822151113.1479789-1-joey.gouly@arm.com> X-Mailing-List: linuxppc-dev@lists.ozlabs.org List-Id: List-Help: List-Post: List-Subscribe: , , List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Use the new CONFIG_ARCH_PKEY_BITS to simplify setting these bits for different architectures. Signed-off-by: Joey Gouly Cc: Andrew Morton Cc: linux-fsdevel@vger.kernel.org Cc: linux-mm@kvack.org Acked-by: Dave Hansen Reviewed-by: Anshuman Khandual --- fs/proc/task_mmu.c | 2 ++ include/linux/mm.h | 16 ++++++++++------ 2 files changed, 12 insertions(+), 6 deletions(-) diff --git fs/proc/task_mmu.c fs/proc/task_mmu.c index 5f171ad7b436..2c5f4814aef9 100644 --- fs/proc/task_mmu.c +++ fs/proc/task_mmu.c @@ -976,7 +976,9 @@ static void show_smap_vma_flags(struct seq_file *m, struct vm_area_struct *vma) [ilog2(VM_PKEY_BIT0)] = "", [ilog2(VM_PKEY_BIT1)] = "", [ilog2(VM_PKEY_BIT2)] = "", +#if VM_PKEY_BIT3 [ilog2(VM_PKEY_BIT3)] = "", +#endif #if VM_PKEY_BIT4 [ilog2(VM_PKEY_BIT4)] = "", #endif diff --git include/linux/mm.h include/linux/mm.h index 6549d0979b28..56dc2481cc0f 100644 --- include/linux/mm.h +++ include/linux/mm.h @@ -330,12 +330,16 @@ extern unsigned int kobjsize(const void *objp); #endif /* CONFIG_ARCH_USES_HIGH_VMA_FLAGS */ #ifdef CONFIG_ARCH_HAS_PKEYS -# define VM_PKEY_SHIFT VM_HIGH_ARCH_BIT_0 -# define VM_PKEY_BIT0 VM_HIGH_ARCH_0 /* A protection key is a 4-bit value */ -# define VM_PKEY_BIT1 VM_HIGH_ARCH_1 /* on x86 and 5-bit value on ppc64 */ -# define VM_PKEY_BIT2 VM_HIGH_ARCH_2 -# define VM_PKEY_BIT3 VM_HIGH_ARCH_3 -#ifdef CONFIG_PPC +# define VM_PKEY_SHIFT VM_HIGH_ARCH_BIT_0 +# define VM_PKEY_BIT0 VM_HIGH_ARCH_0 +# define VM_PKEY_BIT1 VM_HIGH_ARCH_1 +# define VM_PKEY_BIT2 VM_HIGH_ARCH_2 +#if CONFIG_ARCH_PKEY_BITS > 3 +# define VM_PKEY_BIT3 VM_HIGH_ARCH_3 +#else +# define VM_PKEY_BIT3 0 +#endif +#if CONFIG_ARCH_PKEY_BITS > 4 # define VM_PKEY_BIT4 VM_HIGH_ARCH_4 #else # define VM_PKEY_BIT4 0 -- 2.25.1