Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751960AbeAPQ5o (ORCPT + 1 other); Tue, 16 Jan 2018 11:57:44 -0500 Received: from 8bytes.org ([81.169.241.247]:54738 "EHLO theia.8bytes.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751301AbeAPQsb (ORCPT ); Tue, 16 Jan 2018 11:48:31 -0500 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 , jroedel@suse.de, joro@8bytes.org Subject: [PATCH 16/16] x86/pti: Allow CONFIG_PAGE_TABLE_ISOLATION for x86_32 Date: Tue, 16 Jan 2018 17:36:59 +0100 Message-Id: <1516120619-1159-17-git-send-email-joro@8bytes.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1516120619-1159-1-git-send-email-joro@8bytes.org> References: <1516120619-1159-1-git-send-email-joro@8bytes.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Return-Path: 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 b0cb9a5f9448..93d85fda0f54 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 -- 2.13.6