From patchwork Thu Aug 22 15:11:05 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Joey Gouly X-Patchwork-Id: 13773856 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 F1C8FC3DA4A for ; Thu, 22 Aug 2024 15:53:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=bb7ZCtifyjmJorc1ZP8+hQKeVmZklK/Lz7jM+D30Hqo=; b=MkfChBGddhFIDi64687YTMvA/9 TKOPPj+VhErtWFSMjf5lOt9SEzq/jLkeic5YQ1w4HBb9eEEV+btC9F7+xXBk7fItTD19qeqMzxEMM oFxWqYsiGv2ybPyCTtI9te5hv8b7Ki2KDqXv0/GBzUWYESBd0gM2CvsRL5Bf/9lZDOkZ4cHyqjqYs tApNcfw3UtaMLp8Aw9yZFeg54N5fMFhyTEgZeGPYStqUYNF1x+pUjlVx8iz3G8TRewr/+3kaFNCXJ FE8NMHODk8LGmOhjoLesYOCteQpH6a2ZDzgENSSybBlKXxAB5IkylWixHLxwhI/X8ORN7qnQsYWpx +NVFjpYw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1shA7R-0000000DQ4j-2ZUR; Thu, 22 Aug 2024 15:53:01 +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 1sh9Uo-0000000DIcb-3Y86 for linux-arm-kernel@bombadil.infradead.org; Thu, 22 Aug 2024 15:13:06 +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=bb7ZCtifyjmJorc1ZP8+hQKeVmZklK/Lz7jM+D30Hqo=; b=RNrfFVPe+1/QtzQMNkdA60o49y PMqSfxPPdQUphLBlpTaIsN/pYdCJ+PontinjxZEnWg9yPjhpTXHYtzS4ALXD/dvmi4rD6HHl//7Zv vdfb/BY9gaV3Ttvg++qhXYbo1LMYzWrWRtznc8DOqnNWq+w+Zm8aEOxLfxHYeL62qmk+QnyCsfA6t Q0PqX/eOrhQHOaxbQ2V3dVZwbwYwb+hTH+I85/DLbSU8Dor6Ql6Ugi/W4s11gE3kOCMxDKCIhBN8O utIu46x+VPZpi4q3iqDTFQI4Usk3LLu1DTDh+yq1TxrTp+6ZdrsteiaAH0GLZKX4osT4EL8uzaeY9 AXb4yAbw==; Received: from foss.arm.com ([217.140.110.172]) by desiato.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1sh9Uh-00000009yNU-3Jfr for linux-arm-kernel@lists.infradead.org; Thu, 22 Aug 2024 15:13:03 +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 893C615BF; Thu, 22 Aug 2024 08:13:25 -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 6ADCB3F58B; Thu, 22 Aug 2024 08:12:55 -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 22/30] arm64: enable PKEY support for CPUs with S1POE Date: Thu, 22 Aug 2024 16:11:05 +0100 Message-Id: <20240822151113.1479789-23-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> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240822_161300_030308_A8A43831 X-CRM114-Status: GOOD ( 10.28 ) 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 Acked-by: Catalin Marinas Reviewed-by: Anshuman Khandual --- arch/arm64/include/asm/pkeys.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git arch/arm64/include/asm/pkeys.h arch/arm64/include/asm/pkeys.h index 32c352bb36b9..19eb1b12b7fc 100644 --- arch/arm64/include/asm/pkeys.h +++ 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)