From patchwork Wed Feb 19 16:40:26 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kevin Brodsky X-Patchwork-Id: 13982529 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 55338C021AA for ; Wed, 19 Feb 2025 16:44:32 +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: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:In-Reply-To:References:List-Owner; bh=1RP0+fbCXCF1Su/4k8PvsGf6I2tcY786uVlC0vpj+YU=; b=xcUsoa1b5aktjD1tQOx/ABHC/L XpMODe60Ud4pnVbFJ05RjvRB70HYzSh9heoTrfRUGzgBDXEd39hU3oJT/TAOc01BZu8xHEfQ6ESg5 p+GV9J+35EpaIbO5jrc9rSp9wdan/kr4jQyYKznTnCGGoAv8qHUOKInPukqw9ZFye00n3RPs/WjS8 zh4JDgtlHGc/3oI0HcnbF/zT0gVuLyk5ud7m860Nm9ey8k8fStT9DoGBvG8kjtZXnnwbm5AxSC60b Rbf4IslYdUoj/Z1z9+lNujouzXblwGxD9k/hv9u86DB7V//JzAilV3QhjmGwRcbs31M2X6njJ283R P/qZA7jw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tknBP-0000000Dtnk-0CRI; Wed, 19 Feb 2025 16:44:23 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tkn8Q-0000000DsOT-1toO for linux-arm-kernel@lists.infradead.org; Wed, 19 Feb 2025 16:41:20 +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 3E83E1682; Wed, 19 Feb 2025 08:41:34 -0800 (PST) Received: from e123572-lin.arm.com (e123572-lin.cambridge.arm.com [10.1.194.54]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 792C83F6A8; Wed, 19 Feb 2025 08:41:14 -0800 (PST) From: Kevin Brodsky To: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org, Kevin Brodsky , Catalin Marinas , Joey Gouly , Will Deacon Subject: [PATCH 0/3] Minor improvements for PIE/POE helpers Date: Wed, 19 Feb 2025 16:40:26 +0000 Message-ID: <20250219164029.2309119-1-kevin.brodsky@arm.com> X-Mailer: git-send-email 2.47.0 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250219_084118_530676_1BE30AED X-CRM114-Status: UNSURE ( 6.76 ) 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: 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 This is a collection of minor cleanups and improvements for the PIE/POE macros in asm/sysreg.h and asm/por.h. Besides the readability improvement, it will also come in handy for the kpkeys series [1] that performs more calculations on POR_EL1. - Kevin [1] https://lore.kernel.org/linux-hardening/20250203101839.1223008-1-kevin.brodsky@arm.com/ --- Cc: Catalin Marinas Cc: Joey Gouly Cc: Will Deacon --- Kevin Brodsky (3): arm64/sysreg: Improve PIR/POR helpers arm64/sysreg: Rename POE_RXW to POE_RWX arm64/sysreg: Move POR_EL0_INIT to asm/por.h arch/arm64/include/asm/pgtable-prot.h | 36 +++++++++++++-------------- arch/arm64/include/asm/por.h | 11 ++++---- arch/arm64/include/asm/sysreg.h | 15 +++++++---- arch/arm64/kernel/signal.c | 2 +- arch/arm64/kvm/at.c | 8 +++--- arch/arm64/mm/mmu.c | 10 +++----- 6 files changed, 43 insertions(+), 39 deletions(-) base-commit: 0ad2507d5d93f39619fc42372c347d6006b64319