Message ID | 0215863872e20c790d7a17bf5f283512a06ab9ff.1601593784.git.andreyknvl@google.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show
Return-Path: <SRS0=FGs6=DI=lists.infradead.org=linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@kernel.org> Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 093E2112C for <patchwork-linux-arm@patchwork.kernel.org>; Thu, 1 Oct 2020 23:16:38 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (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 C6879206DC for <patchwork-linux-arm@patchwork.kernel.org>; Thu, 1 Oct 2020 23:16:37 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="Cy7JgTlj"; dkim=fail reason="signature verification failed" (2048-bit key) header.d=google.com header.i=@google.com header.b="hxySTHTf" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C6879206DC Authentication-Results: mail.kernel.org; dmarc=fail (p=reject dis=none) header.from=google.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:To:From:Subject:References:Mime-Version:Message-Id: In-Reply-To:Date:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=j86Z0786NvRiiglt6TM6AYGV4bSEsbjtDJ5xoPedGp0=; b=Cy7JgTljeBKvDWA2OdZHJApoF C9U57KOwXN1kSt9NCYrr8ljrTEY9JedXlw4QzgUEgXLGjgl3hzVN3qKJV1jH/OEqpJCraEdwvs/UV rl7g7R5scaLUs5JNY4RmOn2HOkzKHPw4O6eifrDJcGPFaPOg0lto8EnWIGep+PBPS+OKaFDZ37JE5 HLrKXwu+RwtVVoPegfZOANC36U3Swv3f7+rucNyUcY15EiHzQN/l/Njoc30MlRNbBExdgmDNd9heY xrMtQvRipxqchy3P5z4I3z/EEZX4tu4lH5xMAagT0QLdWsp8eiihaHxaUs482ckoaM6Dxbp7KGKzl pwQUICoKg==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kO7o2-0003qh-UB; Thu, 01 Oct 2020 23:16:11 +0000 Received: from mail-qt1-x849.google.com ([2607:f8b0:4864:20::849]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1kO7jl-0001FA-3o for linux-arm-kernel@lists.infradead.org; Thu, 01 Oct 2020 23:11:46 +0000 Received: by mail-qt1-x849.google.com with SMTP id b18so97936qto.4 for <linux-arm-kernel@lists.infradead.org>; Thu, 01 Oct 2020 16:11:41 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=sender:date:in-reply-to:message-id:mime-version:references:subject :from:to:cc; bh=/i/oGMXlxoli6h4O+lMoZppzKevwNPdee32h25HwaEc=; b=hxySTHTfozEyYeeT1nxdL5pmFLu0UMY+5MTLvM5zbDxfMbWJgsrQA3a5nS9YkFcxfG opGKS0A7W0VkUOZsKd9mwb4xd9z/ccQSG31zRv//t3q8Fmgvv512gA06yO1YNeyQaR5c IsIDBafKG8PICkWYE8ziJR3URpLID7CDUX/4y8TAcdTvROFKwbFD11IBltuFnCQwSgmq cP/6ojN/I8ME6SW/JNuxYVdPGMR3QZvNW57sc16rFAwcFpUtqzsa8lW4aI/mo3bhjTLE 2Knl1qRhpQ+5Owm3h4Ssz81pT9e6sc8DZHb2uK3O8rsKOuaZnnuvMqjg2x0yDgCaSJjC zugg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:date:in-reply-to:message-id:mime-version :references:subject:from:to:cc; bh=/i/oGMXlxoli6h4O+lMoZppzKevwNPdee32h25HwaEc=; b=ZQAJrCOw4NUxRp4C2KXr5h/4L5N936s1cnn8HIhvJVeOqjXp2C9dSh5aXpsUZ487Er 5MZ890WjevCohpJrZszpNJRJJZ0Mz11OKDeeoZLwDlWFjnO91pvphb3DF3SAkZIraQsW ERf1R36ihplPgYA70goMTmL9DjESSm0u1iT8fr1wMaPNf30aSTmTyafaqDQPDfB6G6Yj 7kWrF6/t35gUoF6gYAXMpWlc+FnS0DRjNQ6gcAePxTuHmVuYj4uwcaoFT6ksILYFj18U FjrFg9lXmbZMl5/BBir46SRIluLK49n5X3QZ3/ThukmeVfNZiheO+uWtc6YrqEhwivug PRAg== X-Gm-Message-State: AOAM531aKi1M15fYIE1xoulqjGc+cjNThkx2kCVvc6BY21R83lXJlvPA gvwr/s/3EtK96udmAm/cJ+Ty/oNm7iPT7Di3 X-Google-Smtp-Source: ABdhPJxW2fL4xOIXIEB1C823qRIrBhZ5OeVctGmwMtdSkVROm1+kM3fyfxJ6GF7dSVzQOo52oSI2LWoWr6ZWeUyM X-Received: from andreyknvl3.muc.corp.google.com ([2a00:79e0:15:13:7220:84ff:fe09:7e9d]) (user=andreyknvl job=sendgmr) by 2002:ad4:4d52:: with SMTP id m18mr10006770qvm.55.1601593900111; Thu, 01 Oct 2020 16:11:40 -0700 (PDT) Date: Fri, 2 Oct 2020 01:10:24 +0200 In-Reply-To: <cover.1601593784.git.andreyknvl@google.com> Message-Id: <0215863872e20c790d7a17bf5f283512a06ab9ff.1601593784.git.andreyknvl@google.com> Mime-Version: 1.0 References: <cover.1601593784.git.andreyknvl@google.com> X-Mailer: git-send-email 2.28.0.709.gb0816b6eb0-goog Subject: [PATCH v4 23/39] arm64: Enable armv8.5-a asm-arch option From: Andrey Konovalov <andreyknvl@google.com> To: Dmitry Vyukov <dvyukov@google.com>, Vincenzo Frascino <vincenzo.frascino@arm.com>, Catalin Marinas <catalin.marinas@arm.com>, kasan-dev@googlegroups.com X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201001_191145_234347_5B0BA73D X-CRM114-Status: GOOD ( 12.43 ) X-Spam-Score: -7.7 (-------) X-Spam-Report: SpamAssassin version 3.4.4 on merlin.infradead.org summary: Content analysis details: (-7.7 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [2607:f8b0:4864:20:0:0:0:849 listed in] [list.dnswl.org] 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches SPF record -7.5 USER_IN_DEF_DKIM_WL From: address is in the default DKIM white-list -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.0 DKIMWL_WL_MED DKIMwl.org - Medium trust sender X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: <linux-arm-kernel.lists.infradead.org> List-Unsubscribe: <http://lists.infradead.org/mailman/options/linux-arm-kernel>, <mailto:linux-arm-kernel-request@lists.infradead.org?subject=unsubscribe> List-Archive: <http://lists.infradead.org/pipermail/linux-arm-kernel/> List-Post: <mailto:linux-arm-kernel@lists.infradead.org> List-Help: <mailto:linux-arm-kernel-request@lists.infradead.org?subject=help> List-Subscribe: <http://lists.infradead.org/mailman/listinfo/linux-arm-kernel>, <mailto:linux-arm-kernel-request@lists.infradead.org?subject=subscribe> Cc: Marco Elver <elver@google.com>, Elena Petrova <lenaptr@google.com>, Andrey Konovalov <andreyknvl@google.com>, Kevin Brodsky <kevin.brodsky@arm.com>, Will Deacon <will.deacon@arm.com>, Branislav Rankov <Branislav.Rankov@arm.com>, linux-kernel@vger.kernel.org, linux-mm@kvack.org, Alexander Potapenko <glider@google.com>, linux-arm-kernel@lists.infradead.org, Andrey Ryabinin <aryabinin@virtuozzo.com>, Andrew Morton <akpm@linux-foundation.org>, Evgenii Stepanov <eugenis@google.com> Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" <linux-arm-kernel-bounces@lists.infradead.org> Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org |
Series |
kasan: add hardware tag-based mode for arm64
|
expand
|
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index e875db8e1c86..192544fcd1a5 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -1600,6 +1600,9 @@ endmenu menu "ARMv8.5 architectural features" +config AS_HAS_ARMV8_5 + def_bool $(cc-option,-Wa$(comma)-march=armv8.5-a) + config ARM64_BTI bool "Branch Target Identification support" default y @@ -1676,6 +1679,7 @@ config ARM64_MTE bool "Memory Tagging Extension support" default y depends on ARM64_AS_HAS_MTE && ARM64_TAGGED_ADDR_ABI + depends on AS_HAS_ARMV8_5 select ARCH_USES_HIGH_VMA_FLAGS help Memory Tagging (part of the ARMv8.5 Extensions) provides diff --git a/arch/arm64/Makefile b/arch/arm64/Makefile index 130569f90c54..afcd61f7d2b0 100644 --- a/arch/arm64/Makefile +++ b/arch/arm64/Makefile @@ -94,6 +94,11 @@ ifeq ($(CONFIG_AS_HAS_ARMV8_4), y) asm-arch := armv8.4-a endif +ifeq ($(CONFIG_AS_HAS_ARMV8_5), y) +# make sure to pass the newest target architecture to -march. +asm-arch := armv8.5-a +endif + ifdef asm-arch KBUILD_CFLAGS += -Wa,-march=$(asm-arch) \ -DARM64_ASM_ARCH='"$(asm-arch)"'