Message ID | 20240503130147.1154804-15-joey.gouly@arm.com (mailing list archive) |
---|---|
State | New |
Headers | show
Return-Path: <linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org> 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 7827EC25B5C for <linux-arm-kernel@archiver.kernel.org>; Fri, 3 May 2024 13:03:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: 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: List-Owner; bh=wKSy8nW6zRRLTfakNQWoHtuRFgpr4iVENbR0tezFcs4=; b=RPRXCR1O0KfETq XUyWfoNY3mqtXY6G/74SnBXweHP3XRCkWMiAwaA0808rC1GmgDWADkuIEI1jNDVgJDj3sRFjL4oWk p5slV2M/9GDHLiVmE6PkDcsvVkqTTt+N84x/Nm70U6ejWP5GMDzEzEp+ucxXylZmkTARLHPCBdYUB QEyUXrtiVZl+dtod3O5hKMT46IjGUQTltukknEVIxcnm8nFpP5oqyry9uvQNrYkQodbELH4wT/zXk 7CiVKcJ4WlPt/kkT08KF+LC3OepzOUxPhQalBJ1cYJCOSu1tRr3qBbKSI8bfNFZiOKxqxfAKwkLED dRbom1egZlORmjuw+z/w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1s2sZO-0000000GYF5-0XgG; Fri, 03 May 2024 13:03:22 +0000 Received: from desiato.infradead.org ([2001:8b0:10b:1:d65d:64ff:fe57:4e05]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1s2sYq-0000000GXf9-06Z5 for linux-arm-kernel@bombadil.infradead.org; Fri, 03 May 2024 13:02:48 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=desiato.20200630; h=Content-Transfer-Encoding:MIME-Version :References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To: Content-Type:Content-ID:Content-Description; bh=UCOC1oT2eBl3OuHcpEdtcFY9AiX3PwI5X0vEATuJgdQ=; b=eJhdLRqdQTI9IlzFer/mGoIHJE /R7P6q1xoWgoPXr0laP7f/YmLfdXB2FcdIsXzz4Max2+vuMjTlup6EZNzg+kWc5VnuQO7x3d4ame0 +2a10NpnVjSmrezBAsdOv/Euczitz8LTCrcy0MSw5PNg1GrUcccp0jgiIseSK1zdLIQre1J9EnxQF bad7K0EoyKRvUEOtIT7Tj91pIjg6iYdUwcnV4wDunNi10ZEgYOBelM32CWRD1C8muWSXq1Xmif2H+ a4xQzJrSKnZjTG7/WkuZ2N4962xL6L8l1lLvRgT9PVcTg+dBgzCotGO6Zos2khI75YqkSVtL9GFTc Z+LAEz3w==; Received: from foss.arm.com ([217.140.110.172]) by desiato.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1s2sYk-00000000YEi-48jN for linux-arm-kernel@lists.infradead.org; Fri, 03 May 2024 13:02:46 +0000 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 23D4916A3; Fri, 3 May 2024 06:03:07 -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 C71E83F73F; Fri, 3 May 2024 06:02:38 -0700 (PDT) From: Joey Gouly <joey.gouly@arm.com> To: linux-arm-kernel@lists.infradead.org Cc: akpm@linux-foundation.org, aneesh.kumar@kernel.org, aneesh.kumar@linux.ibm.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, szabolcs.nagy@arm.com, tglx@linutronix.de, will@kernel.org, x86@kernel.org, kvmarm@lists.linux.dev Subject: [PATCH v4 14/29] arm64: mask out POIndex when modifying a PTE Date: Fri, 3 May 2024 14:01:32 +0100 Message-Id: <20240503130147.1154804-15-joey.gouly@arm.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20240503130147.1154804-1-joey.gouly@arm.com> References: <20240503130147.1154804-1-joey.gouly@arm.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240503_140244_960372_53E0BAFE X-CRM114-Status: UNSURE ( 9.96 ) 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: <linux-arm-kernel.lists.infradead.org> List-Unsubscribe: <http://lists.infradead.org/mailman/options/linux-arm-kernel>, <mailto:linux-arm-kernel-request@lists.infradead.org?subject=unsubscribe> List-Archive: <http://lists.infradead.org/pipermail/linux-arm-kernel/> List-Post: <mailto:linux-arm-kernel@lists.infradead.org> List-Help: <mailto:linux-arm-kernel-request@lists.infradead.org?subject=help> List-Subscribe: <http://lists.infradead.org/mailman/listinfo/linux-arm-kernel>, <mailto:linux-arm-kernel-request@lists.infradead.org?subject=subscribe> Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" <linux-arm-kernel-bounces@lists.infradead.org> Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org |
Series |
arm64: Permission Overlay Extension
|
expand
|
diff --git a/arch/arm64/include/asm/pgtable.h b/arch/arm64/include/asm/pgtable.h index afdd56d26ad7..5c970a9cca67 100644 --- a/arch/arm64/include/asm/pgtable.h +++ b/arch/arm64/include/asm/pgtable.h @@ -1028,7 +1028,8 @@ static inline pte_t pte_modify(pte_t pte, pgprot_t newprot) */ const pteval_t mask = PTE_USER | PTE_PXN | PTE_UXN | PTE_RDONLY | PTE_PROT_NONE | PTE_VALID | PTE_WRITE | PTE_GP | - PTE_ATTRINDX_MASK; + PTE_ATTRINDX_MASK | PTE_PO_IDX_MASK; + /* preserve the hardware dirty information */ if (pte_hw_dirty(pte)) pte = set_pte_bit(pte, __pgprot(PTE_DIRTY));