From patchwork Fri Oct 27 18:08:42 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Joey Gouly X-Patchwork-Id: 13438822 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 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 9FED2C25B47 for ; Fri, 27 Oct 2023 18:11:37 +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=nFqFo4waiudMtPMWen2VU9zrpXGFtSoQjdGajA70WkE=; b=Fy+QzTh9pV8wCo uf34sBWYAhL+VwkrJUCpPRarR9Y2UweiBb0hQi2Bo0CxsJbJJAnFt4XQMXQa0lEwCzN/B+9mf/NQE uHbezBuUE4d/3me4BH8Q3jlyVj0vOC5aQbBNb7mJFfcwNIJG7gR0giQM/ddpsV4ha9qrci4LN/pZH 6wiyc3LFG1aDQL+3KS3U7ki1eeoT+uSBzKtrAuvvzQhJ2Y9wGSepg3Fl/KdTGhTAFQER0AXzbYKD+ upYdiMYYn/iIyj4BmhncMrBE24jKv8hIGuAyU1HoL/Mp7/u64260q96N//aNFNh0pofPd4y84bawY w4FNJ8oxRcjoF6J4V1VQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qwRIc-00Guhj-2D; Fri, 27 Oct 2023 18:11:10 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qwRHE-00Gtg7-0z for linux-arm-kernel@lists.infradead.org; Fri, 27 Oct 2023 18:09:47 +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 E220F153B; Fri, 27 Oct 2023 11:10:24 -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 2050F3F64C; Fri, 27 Oct 2023 11:09:41 -0700 (PDT) From: Joey Gouly To: linux-arm-kernel@lists.infradead.org Cc: akpm@linux-foundation.org, aneesh.kumar@linux.ibm.com, broonie@kernel.org, catalin.marinas@arm.com, dave.hansen@linux.intel.com, joey.gouly@arm.com, maz@kernel.org, oliver.upton@linux.dev, shuah@kernel.org, will@kernel.org, kvmarm@lists.linux.dev, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, linux-kselftest@vger.kernel.org, James Morse , Suzuki K Poulose , Zenghui Yu Subject: [PATCH v2 16/24] arm64: enable PKEY support for CPUs with S1POE Date: Fri, 27 Oct 2023 19:08:42 +0100 Message-Id: <20231027180850.1068089-17-joey.gouly@arm.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20231027180850.1068089-1-joey.gouly@arm.com> References: <20231027180850.1068089-1-joey.gouly@arm.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231027_110944_419725_7EDBCE5D X-CRM114-Status: GOOD ( 10.36 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Now that PKEYs support has been implemented, enable it for CPUs that support S1POE. Signed-off-by: Joey Gouly Cc: Catalin Marinas Cc: Will Deacon --- arch/arm64/include/asm/pkeys.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm64/include/asm/pkeys.h b/arch/arm64/include/asm/pkeys.h index a80c654da93d..23c473300058 100644 --- a/arch/arm64/include/asm/pkeys.h +++ b/arch/arm64/include/asm/pkeys.h @@ -17,7 +17,7 @@ int arch_set_user_pkey_access(struct task_struct *tsk, int pkey, static inline bool arch_pkeys_enabled(void) { - return false; + return system_supports_poe(); } static inline int vma_pkey(struct vm_area_struct *vma)