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 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 29E07CCFA06 for ; Mon, 3 Nov 2025 05:26:58 +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=gb8PSAF++P1qn+P4oL6jVgUHaWgPdpj5NFHTaU9CpMc=; b=BakitPFx/JRrdvFDKkJCh3qjsB VTnBqy2rbGzZAMZ3SXVydcd0x5ReJTkmt1FhtKhtwExhLxJti9CK2Z7Gg9MvfYSCj83pnRPhdOwZQ niFlW7i2ZbiXI5Iz7fH0Bet9YL14n0gTA3ePo3blCvmbd6nfxmy1e7agdjvXkL3uNRuzpO3VYT9UW HA6Xeyxv3Hn2Oh+3TfrQ6uqEQ3C1kBcMY3KkrifDSf6y2PIMnQ+Bq6a8Swfc8CW+XvhPzwGRQHRO0 LszRZ4ck1tEbyNAJstMLZdNmbFtv+rGJpnoMKLFi9kTqih/1wPSk71iXnoGJYlW3ZdpR2tA2D7eCO 6jII34Wg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vFn5N-00000009Dub-3Pj4; Mon, 03 Nov 2025 05:26:33 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vFn5K-00000009Dsr-01wC for linux-arm-kernel@lists.infradead.org; Mon, 03 Nov 2025 05:26:31 +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 4613028FA; Sun, 2 Nov 2025 21:26:18 -0800 (PST) Received: from ergosum.cambridge.arm.com (ergosum.cambridge.arm.com [10.1.196.45]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id BA0523F63F; Sun, 2 Nov 2025 21:26:24 -0800 (PST) From: Anshuman Khandual To: linux-arm-kernel@lists.infradead.org Cc: Anshuman Khandual , Catalin Marinas , Will Deacon , Ryan Roberts , Ard Biesheuvel , linux-kernel@vger.kernel.org Subject: [PATCH 0/6] arm64/mm: TTBRx_EL1 related changes Date: Mon, 3 Nov 2025 05:26:12 +0000 Message-Id: <20251103052618.586763-1-anshuman.khandual@arm.com> X-Mailer: git-send-email 2.30.2 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20251102_212630_094489_D1F12434 X-CRM114-Status: UNSURE ( 7.92 ) 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 series contains some TTBRx_EL1 related changes, aimed at standardizing TTBRx_EL1 register field accesses via tools sysreg format and also explains 52 PA specific handling methods via a new macro along with in code comments This series applies on v6.18-rc4 Cc: Catalin Marinas Cc: Will Deacon Cc: Ryan Roberts Cc: Ard Biesheuvel Cc: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org Anshuman Khandual (6): arm64/mm: Directly use TTBRx_EL1_ASID_MASK arm64/mm: Directly use TTBRx_EL1_CnP arm64/mm: Represent TTBR_BADDR_MASK_52 with TTBRx_EL1_BADDR_MASK arm64/mm: Ensure correct 48 bit PA gets into TTBRx_EL1 arm64/mm: Describe 52 PA folding into TTBRx_EL1 arm64/mm: Describe TTBR1_BADDR_4852_OFFSET arch/arm64/include/asm/asm-uaccess.h | 2 +- arch/arm64/include/asm/assembler.h | 3 ++- arch/arm64/include/asm/mmu_context.h | 2 +- arch/arm64/include/asm/pgtable-hwdef.h | 23 ++++++++++++++++++++--- arch/arm64/include/asm/pgtable.h | 5 +++-- arch/arm64/include/asm/uaccess.h | 6 +++--- arch/arm64/kernel/entry.S | 2 +- arch/arm64/kernel/mte.c | 4 ++-- arch/arm64/mm/context.c | 8 ++++---- arch/arm64/mm/mmu.c | 2 +- 10 files changed, 38 insertions(+), 19 deletions(-) -- 2.30.2