Message ID | f861d02845a596328fa98faba825e06d712c88bf.1602535397.git.andreyknvl@google.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show
Return-Path: <SRS0=SllI=DT=kvack.org=owner-linux-mm@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 D6D22697 for <patchwork-linux-mm@patchwork.kernel.org>; Mon, 12 Oct 2020 20:44:59 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 785F62074F for <patchwork-linux-mm@patchwork.kernel.org>; Mon, 12 Oct 2020 20:44:59 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=google.com header.i=@google.com header.b="VScTU+0p" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 785F62074F Authentication-Results: mail.kernel.org; dmarc=fail (p=reject dis=none) header.from=google.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id E9CF0900002; Mon, 12 Oct 2020 16:44:57 -0400 (EDT) Delivered-To: linux-mm-outgoing@kvack.org Received: by kanga.kvack.org (Postfix, from userid 40) id E4DF5940009; Mon, 12 Oct 2020 16:44:57 -0400 (EDT) X-Original-To: int-list-linux-mm@kvack.org X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id CCBCB900003; Mon, 12 Oct 2020 16:44:57 -0400 (EDT) X-Original-To: linux-mm@kvack.org X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0185.hostedemail.com [216.40.44.185]) by kanga.kvack.org (Postfix) with ESMTP id 8986C900002 for <linux-mm@kvack.org>; Mon, 12 Oct 2020 16:44:57 -0400 (EDT) Received: from smtpin17.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay02.hostedemail.com (Postfix) with ESMTP id 2E2D53623 for <linux-mm@kvack.org>; Mon, 12 Oct 2020 20:44:57 +0000 (UTC) X-FDA: 77364452634.17.taste93_120fbee271fd Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin17.hostedemail.com (Postfix) with ESMTP id 1231F180D0181 for <linux-mm@kvack.org>; Mon, 12 Oct 2020 20:44:57 +0000 (UTC) X-Spam-Summary: 1,0,0,f99e372d24885e91,d41d8cd98f00b204,3r8cexwokcnw8lbpcwiltjemmejc.amkjglsv-kkit8ai.mpe@flex--andreyknvl.bounces.google.com,,RULES_HIT:41:152:355:379:541:800:960:973:988:989:1260:1277:1313:1314:1345:1359:1431:1437:1516:1518:1535:1541:1593:1594:1711:1730:1747:1777:1792:2198:2199:2393:2553:2559:2562:2731:3138:3139:3140:3141:3142:3152:3352:3865:3866:3867:3870:3871:3872:4250:4321:5007:6261:6653:6742:7576:9969:10004:10400:11026:11232:11473:11658:11914:12043:12296:12297:12438:12555:12679:12895:13069:13311:13357:14181:14394:14659:14721:21080:21365:21444:21451:21627:21796:30036:30054:30071:30090,0,RBL:209.85.221.74:@flex--andreyknvl.bounces.google.com:.lbl8.mailshell.net-66.100.201.100 62.18.0.100;04yrjr99ghw6ja7kwpn7pshfrkkxzoc3dq8rb988p8fx55o7mm4bxf8b1ktd67i.cbywqnasbgmkynkjrz4yg6ma64u7esj5rf63etjdkwp7yawfufyykfbgfx673g7.k-lbl8.mailshell.net-223.238.255.100,CacheIP:none,Bayesian:0.5,0.5,0.5,Netcheck:none,DomainCache:0,MSF:not bulk,SPF:fp,MSBL:0,DNSBL:neutral,Custo m_rules: X-HE-Tag: taste93_120fbee271fd X-Filterd-Recvd-Size: 5197 Received: from mail-wr1-f74.google.com (mail-wr1-f74.google.com [209.85.221.74]) by imf49.hostedemail.com (Postfix) with ESMTP for <linux-mm@kvack.org>; Mon, 12 Oct 2020 20:44:56 +0000 (UTC) Received: by mail-wr1-f74.google.com with SMTP id t3so3301632wrq.2 for <linux-mm@kvack.org>; Mon, 12 Oct 2020 13:44:56 -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=DmclJkDR4Qm5lsb7ydlGYlEQZpzVsyh6HqffasVR3Wo=; b=VScTU+0p8eF/zz4mZQVMYdWWD2El/y9UVrnM21faQoYYGMWFZ2VUSWXIU0vkGt3PlD TvkWt//RfWPWv8xCXw2oZRawVUo60eqAx7JfH5k9aF2IUQ+E6pAcK7ip5SdfkUUa9x/z seWvaJPM588rFpLRJnEvw0/SeNL+kEmNvwsyA6hTP0vvnsGrXOF+Ohas26Wc47NS9aT1 bTRCoZMNCMV/C5Kz/4QQX8UnEIha6lWveun9Dm74BwLONEIlKC1PC3WnipGQroJ5A6Wj cumAdmN4RHm/2sLnehMU5qVMP8/rxAAU6pXJa/YgRIWk609bVyaxCpv0QfUpwRsktlLY 1mGQ== 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=DmclJkDR4Qm5lsb7ydlGYlEQZpzVsyh6HqffasVR3Wo=; b=KXJn7Mk7KB9k1tKozNpMlAkTK4If+2TngZtQjv58lvePIBaH8m79DODIgBKJIsfN3u 1XniNbfRqy1C5LB2JsYkJpHHn0Br21qIh26DGVtcg79dwEYkd3SYMK4oH70rXmjDT8dX Pg8de8T+zHLpbLfgctUpRv8uw9DXaZzAFgv+GiDXXuSL4HSoLVAVv2W6KgL43+UHS/rK qqzMEzlOZAbzQHmiofp8YifoSgd0F48l0MK1tyt8SWT28lz99+FvLJxC1kYDyjZd8haC Mc4WPNZSaWQWrfBh9i5F4FqDaXjVI5CpWYDivdioIHpqwaEi5mMpFXDWreKhdwJE/PE6 B4HA== X-Gm-Message-State: AOAM533uOShnYTmmOsX0U9Ln7iMt7Po7mGk0iyInGe9M8zBJL1SK4eaa OR4kg3qh5tA9s7bXk6LQJFu01nOYSXYau+da X-Google-Smtp-Source: ABdhPJyZct8Pt2l8Kp955U1QPIzytEc6BVLp0niDriGROF+h982d73KRu4GChhMiIEs9RcvNcCgK5kUILF6ICAUS X-Received: from andreyknvl3.muc.corp.google.com ([2a00:79e0:15:13:7220:84ff:fe09:7e9d]) (user=andreyknvl job=sendgmr) by 2002:a5d:5344:: with SMTP id t4mr12260918wrv.267.1602535495668; Mon, 12 Oct 2020 13:44:55 -0700 (PDT) Date: Mon, 12 Oct 2020 22:44:07 +0200 In-Reply-To: <cover.1602535397.git.andreyknvl@google.com> Message-Id: <f861d02845a596328fa98faba825e06d712c88bf.1602535397.git.andreyknvl@google.com> Mime-Version: 1.0 References: <cover.1602535397.git.andreyknvl@google.com> X-Mailer: git-send-email 2.28.0.1011.ga647a8990f-goog Subject: [PATCH v5 01/40] arm64: Enable armv8.5-a asm-arch option From: Andrey Konovalov <andreyknvl@google.com> To: Catalin Marinas <catalin.marinas@arm.com>, Will Deacon <will.deacon@arm.com> Cc: Vincenzo Frascino <vincenzo.frascino@arm.com>, kasan-dev@googlegroups.com, Dmitry Vyukov <dvyukov@google.com>, Andrey Ryabinin <aryabinin@virtuozzo.com>, Alexander Potapenko <glider@google.com>, Marco Elver <elver@google.com>, Evgenii Stepanov <eugenis@google.com>, Elena Petrova <lenaptr@google.com>, Branislav Rankov <Branislav.Rankov@arm.com>, Kevin Brodsky <kevin.brodsky@arm.com>, Andrew Morton <akpm@linux-foundation.org>, linux-arm-kernel@lists.infradead.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, Andrey Konovalov <andreyknvl@google.com> Content-Type: text/plain; charset="UTF-8" X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: <linux-mm.kvack.org> |
Series |
kasan: add hardware tag-based mode for arm64
|
expand
|
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index e7450fbd0aa7..f27297ac70bf 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)"'