From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Google-Smtp-Source: AIpwx4+2Wf9Knpm5Bg6nYfkFYM3sv/3HTmbLa7X2IKarNsGZ+XOl3bZDrtk5kFRJtu7vd1LgH/PR ARC-Seal: i=1; a=rsa-sha256; t=1524498482; cv=none; d=google.com; s=arc-20160816; b=aVcGOzg8vt9Nm9mNG7x9AUuVWpKb1fNI2WuxLJeQVxzUV66ir0ikhEJXv2B1S/0Wee /8E/GpnG9Z46/C9m2MqbDQyj2a3bjwlk4BijvDcDUYPMjsny/+M6NZPuEwklRD4dyMLF vIoL7OX3cDN8YpyrnAFbtsdjSCyRJZVq7rAZo4ncHEs+MkUMVQeWcc1bqtyqKPgfmyJs m6bdCrx8dHw+b4tbRbLffvXQrwaDn09Wo9vrHuZ9j6u64Ifg2rKQJdvu4FwDF7yAVSlc 3eiyRitWDpqf4C19XDMzjEj/eD6VUyIbbnpYK/pH6pePpDZ8tUWQFroGjQ1TzoiFKYJW PEdg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=references:in-reply-to:message-id:date:subject:cc:to:from :dkim-signature:arc-authentication-results; bh=CliYgnZbmohA5O1xBxVSliAIvcy3J5hZOwxEIrmd3QM=; b=JxbhaAtIOd6h3djzahZE1Q38rt/bGkujG48N3LZAeeeZAmKf7H/XhAtxphFuhC4l/6 4Ue1d3kbuM4N0lRb1q+0eMNY4m5IM/q84pD8kIWYKU0I+EQbPwXKDd1zz4PkAdmG5TQx WKAGyyb6xCpHKNk4GMERGO/Q0rNPYuqZryitsBOJpMFbM+IZbqs3JIIOz539/oM0eXmq 64/a6FZfPgJsYl6cNIlHCN780gr7CuFQZP0ysaBDDflqsmEdsuFhBPIe/qmTPXRAl07r 7vxzrRvEDGaNLCX2vZ6L7TYEmkP8pQ6F8jygZFJ41F+mmx5i8GwUuREasT4SU9metllW FXyw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass (test mode) header.i=@8bytes.org header.s=mail-1 header.b=P3h+Mune; spf=pass (google.com: domain of joro@8bytes.org designates 81.169.241.247 as permitted sender) smtp.mailfrom=joro@8bytes.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=8bytes.org Authentication-Results: mx.google.com; dkim=pass (test mode) header.i=@8bytes.org header.s=mail-1 header.b=P3h+Mune; spf=pass (google.com: domain of joro@8bytes.org designates 81.169.241.247 as permitted sender) smtp.mailfrom=joro@8bytes.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=8bytes.org From: Joerg Roedel To: Thomas Gleixner , Ingo Molnar , "H . Peter Anvin" Cc: x86@kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, Linus Torvalds , Andy Lutomirski , Dave Hansen , Josh Poimboeuf , Juergen Gross , Peter Zijlstra , Borislav Petkov , Jiri Kosina , Boris Ostrovsky , Brian Gerst , David Laight , Denys Vlasenko , Eduardo Valentin , Greg KH , Will Deacon , aliguori@amazon.com, daniel.gruss@iaik.tugraz.at, hughd@google.com, keescook@google.com, Andrea Arcangeli , Waiman Long , Pavel Machek , "David H . Gutteridge" , jroedel@suse.de, joro@8bytes.org Subject: [PATCH 35/37] x86/pti: Allow CONFIG_PAGE_TABLE_ISOLATION for x86_32 Date: Mon, 23 Apr 2018 17:47:38 +0200 Message-Id: <1524498460-25530-36-git-send-email-joro@8bytes.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1524498460-25530-1-git-send-email-joro@8bytes.org> References: <1524498460-25530-1-git-send-email-joro@8bytes.org> X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: =?utf-8?q?1598552520514660983?= X-GMAIL-MSGID: =?utf-8?q?1598552520514660983?= X-Mailing-List: linux-kernel@vger.kernel.org List-ID: From: Joerg Roedel Allow PTI to be compiled on x86_32. Signed-off-by: Joerg Roedel --- security/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/security/Kconfig b/security/Kconfig index c430206..afa91c6 100644 --- a/security/Kconfig +++ b/security/Kconfig @@ -57,7 +57,7 @@ config SECURITY_NETWORK config PAGE_TABLE_ISOLATION bool "Remove the kernel mapping in user mode" default y - depends on X86_64 && !UML + depends on X86 && !UML help This feature reduces the number of hardware side channels by ensuring that the majority of kernel addresses are not mapped -- 2.7.4