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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id E71F6C3DA4A for ; Mon, 19 Aug 2024 09:08:08 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 4B1A36B008A; Mon, 19 Aug 2024 05:08:08 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 461FB6B008C; Mon, 19 Aug 2024 05:08:08 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 3512B6B0092; Mon, 19 Aug 2024 05:08:08 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0012.hostedemail.com [216.40.44.12]) by kanga.kvack.org (Postfix) with ESMTP id 171EB6B008A for ; Mon, 19 Aug 2024 05:08:08 -0400 (EDT) Received: from smtpin12.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay07.hostedemail.com (Postfix) with ESMTP id A84DB1610E4 for ; Mon, 19 Aug 2024 09:08:07 +0000 (UTC) X-FDA: 82468418214.12.239FFFC Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by imf25.hostedemail.com (Postfix) with ESMTP id F261DA0013 for ; Mon, 19 Aug 2024 09:08:05 +0000 (UTC) Authentication-Results: imf25.hostedemail.com; dkim=none; spf=pass (imf25.hostedemail.com: domain of cmarinas@kernel.org designates 139.178.84.217 as permitted sender) smtp.mailfrom=cmarinas@kernel.org; dmarc=fail reason="SPF not aligned (relaxed), No valid DKIM" header.from=arm.com (policy=none) ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1724058408; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=I0BQIZFwlvtvtx0W78WWfE3jqImRcWNgSLjbd8dqto4=; b=7dKkjxzE++3mIbZQFqypPg2y7O9rOxo9/ZpcZjsabWVGFoSE8wemF9EV2QSFQhXTSiDP5R mXMlJAa4nPp0ph/eYt42UbR0koQakg+cOAVFrdXlRWWYk8zQZ0NP2nATexI7L96TbSfOxP uTIN+Sf6QIRft3cs5uny/JXM5SaXPjU= ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1724058408; a=rsa-sha256; cv=none; b=ntEFxiMA/xiiltgnAgETvkaQ3vDCCgXZn24+88loO3Ur7au9UuGHMM5GzPjAQ6KMlPo7Hv uLlvsE8dhpft+gz//KbTn6TvXhYh16ps6PNYpbb6zaMDCE2gxBGO9EYcAMTLg/J8EfuPNj OdH8Tkre4k9Ls8TFOIIDp7RWWIbfF1U= ARC-Authentication-Results: i=1; imf25.hostedemail.com; dkim=none; spf=pass (imf25.hostedemail.com: domain of cmarinas@kernel.org designates 139.178.84.217 as permitted sender) smtp.mailfrom=cmarinas@kernel.org; dmarc=fail reason="SPF not aligned (relaxed), No valid DKIM" header.from=arm.com (policy=none) Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by dfw.source.kernel.org (Postfix) with ESMTP id D7C3960B89; Mon, 19 Aug 2024 09:08:04 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3AAD7C32782; Mon, 19 Aug 2024 09:07:59 +0000 (UTC) Date: Mon, 19 Aug 2024 10:07:56 +0100 From: Catalin Marinas To: Mark Brown Cc: Will Deacon , Jonathan Corbet , Andrew Morton , Marc Zyngier , Oliver Upton , James Morse , Suzuki K Poulose , Arnd Bergmann , Oleg Nesterov , Eric Biederman , Shuah Khan , "Rick P. Edgecombe" , Deepak Gupta , Ard Biesheuvel , Szabolcs Nagy , Kees Cook , "H.J. Lu" , Paul Walmsley , Palmer Dabbelt , Albert Ou , Florian Weimer , Christian Brauner , Thiago Jung Bauermann , Ross Burton , linux-arm-kernel@lists.infradead.org, linux-doc@vger.kernel.org, kvmarm@lists.linux.dev, linux-fsdevel@vger.kernel.org, linux-arch@vger.kernel.org, linux-mm@kvack.org, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org Subject: Re: [PATCH v10 12/40] mm: Define VM_SHADOW_STACK for arm64 when we support GCS Message-ID: References: <20240801-arm64-gcs-v10-0-699e2bd2190b@kernel.org> <20240801-arm64-gcs-v10-12-699e2bd2190b@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20240801-arm64-gcs-v10-12-699e2bd2190b@kernel.org> X-TUID: +ACxJr4BwsiD X-Stat-Signature: 37sofcep5ofat3zgtak6x94u1nxb5hnk X-Rspamd-Queue-Id: F261DA0013 X-Rspam-User: X-Rspamd-Server: rspam08 X-HE-Tag: 1724058485-436655 X-HE-Meta: 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 crVe6sWL 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 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: List-Subscribe: List-Unsubscribe: On Thu, Aug 01, 2024 at 01:06:39PM +0100, Mark Brown wrote: > Use VM_HIGH_ARCH_5 for guarded control stack pages. > > Reviewed-by: Thiago Jung Bauermann > Signed-off-by: Mark Brown Reviewed-by: Catalin Marinas