From patchwork Mon Jul 26 06:37:17 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anshuman Khandual X-Patchwork-Id: 12398541 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-17.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3353EC4338F for ; Mon, 26 Jul 2021 06:43:48 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 0053760F02 for ; Mon, 26 Jul 2021 06:43:47 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 0053760F02 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org 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:MIME-Version:List-Subscribe:List-Help: List-Post:List-Archive:List-Unsubscribe:List-Id: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=ZNFuJ+mpsdi5sdHdxyYF9Y3OvgUz0XKKQpG6kDf2WdE=; b=e99Ul58gMmbTge wT3bcOyBgusZgbHKBxAqNUn1CAARGY9DZlbgOcAKLGLsQqSHla8n7m6JuPPhXv+aAQxiKSs+/5V1Q L4G3LwGR3/bSoeZrTNtTrSemRc1z8JLjYgIXbo/0ft4dsiKd/hNjWCi0urPO0eq8Os1woL+E3NcjZ SHYzOL6YqE49SYmBU82tqqf4c7ULz1ippQ9D6lFbKGNFdEYpL21E1rDOjt7cphk29fO0eRJqcI+WY liauTLX/URvJ/sG1SBezWTuBULKDSaWWoPWIa8fF/hyVIpIH6Xzh20Hpn5hnZRyihKFktZBctsIlS Thmd+RyLr04o16DbmelA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1m7uEr-009ibs-CY; Mon, 26 Jul 2021 06:37:21 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1m7uEU-009iVu-4W for linux-arm-kernel@lists.infradead.org; Mon, 26 Jul 2021 06:36:59 +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 8FFFA106F; Sun, 25 Jul 2021 23:36:57 -0700 (PDT) Received: from p8cg001049571a15.arm.com (unknown [10.163.66.17]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 8CD723F66F; Sun, 25 Jul 2021 23:36:53 -0700 (PDT) From: Anshuman Khandual To: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org Cc: akpm@linux-foundation.org, suzuki.poulose@arm.com, mark.rutland@arm.com, will@kernel.org, catalin.marinas@arm.com, maz@kernel.org, james.morse@arm.com, steven.price@arm.com, Anshuman Khandual Subject: [RFC V2 02/10] arm64/mm: Consolidate TCR_EL1 fields Date: Mon, 26 Jul 2021 12:07:17 +0530 Message-Id: <1627281445-12445-3-git-send-email-anshuman.khandual@arm.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1627281445-12445-1-git-send-email-anshuman.khandual@arm.com> References: <1627281445-12445-1-git-send-email-anshuman.khandual@arm.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210725_233658_332098_007758C1 X-CRM114-Status: GOOD ( 10.22 ) 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: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org This renames and moves SYS_TCR_EL1_TCMA1 and SYS_TCR_EL1_TCMA0 definitions into pgtable-hwdef.h thus consolidating all TCR fields in a single header. This does not cause any functional change. Signed-off-by: Anshuman Khandual Acked-by: Catalin Marinas --- arch/arm64/include/asm/pgtable-hwdef.h | 2 ++ arch/arm64/include/asm/sysreg.h | 4 ---- arch/arm64/mm/proc.S | 2 +- 3 files changed, 3 insertions(+), 5 deletions(-) diff --git a/arch/arm64/include/asm/pgtable-hwdef.h b/arch/arm64/include/asm/pgtable-hwdef.h index 40085e5..66671ff 100644 --- a/arch/arm64/include/asm/pgtable-hwdef.h +++ b/arch/arm64/include/asm/pgtable-hwdef.h @@ -273,6 +273,8 @@ #define TCR_NFD1 (UL(1) << 54) #define TCR_E0PD0 (UL(1) << 55) #define TCR_E0PD1 (UL(1) << 56) +#define TCR_TCMA0 (UL(1) << 57) +#define TCR_TCMA1 (UL(1) << 58) /* * TTBR. diff --git a/arch/arm64/include/asm/sysreg.h b/arch/arm64/include/asm/sysreg.h index 7b9c3ac..5cbfaf6 100644 --- a/arch/arm64/include/asm/sysreg.h +++ b/arch/arm64/include/asm/sysreg.h @@ -1059,10 +1059,6 @@ #define CPACR_EL1_ZEN_EL0EN (BIT(17)) /* enable EL0 access, if EL1EN set */ #define CPACR_EL1_ZEN (CPACR_EL1_ZEN_EL1EN | CPACR_EL1_ZEN_EL0EN) -/* TCR EL1 Bit Definitions */ -#define SYS_TCR_EL1_TCMA1 (BIT(58)) -#define SYS_TCR_EL1_TCMA0 (BIT(57)) - /* GCR_EL1 Definitions */ #define SYS_GCR_EL1_RRND (BIT(16)) #define SYS_GCR_EL1_EXCL_MASK 0xffffUL diff --git a/arch/arm64/mm/proc.S b/arch/arm64/mm/proc.S index 35936c5..1ae0c2b 100644 --- a/arch/arm64/mm/proc.S +++ b/arch/arm64/mm/proc.S @@ -46,7 +46,7 @@ #endif #ifdef CONFIG_KASAN_HW_TAGS -#define TCR_MTE_FLAGS SYS_TCR_EL1_TCMA1 | TCR_TBI1 | TCR_TBID1 +#define TCR_MTE_FLAGS TCR_TCMA1 | TCR_TBI1 | TCR_TBID1 #else /* * The mte_zero_clear_page_tags() implementation uses DC GZVA, which relies on