From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Google-Smtp-Source: AH8x224AQMxJGhoJrcoRjJdSDe3AmEGepUXcR5pQ7L4+x5bkduDL6K/YuhovMb3b1XfTfRJPbFlp ARC-Seal: i=1; a=rsa-sha256; t=1518168369; cv=none; d=google.com; s=arc-20160816; b=zFyOr9agl2o1z7lil1aBiFgZLSMkjtZh2Shrjk7b2YjGO2HNMhj9AL8ycoeLH9AoOG k2liY8JomqgMST0HR2QN3StiVwnYzShfll823JI1GkNEEAlM+XEa433cBM82nEhGoWZ/ IPAaM/QaYrriieWdBP3AhkGDHjOdWbfXbgU/MogCGuW8BwZW4OJgW6Gc3dlZcDDAE+E6 gF5QAKJ5DdhdL3W5KkWFP1JQn8QE7PK7cKzNb4yGCkj5Zk2tMDPMdypKZeevR4fqb5vW 2v9rEv3yXmr+f/G6Je/ad3cpimq43Bucr5o+MkAeEhx8njzKolEFADZIHj+mqqP1Be7c tfCg== 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=6pKXJr3dQB+EZKAI6Uh1IKsDamXmlHYF3SRvL1fh3Yw=; b=ELg9ENJBOM5+g/BS90DziiXMc4LL6HpXP71lD6weuqfDT7QCEWZzaCjwYTMSaoJWnC 8KFyYsfks4IrIslRNL26+t1JRExtYbqy3fmjdoi9ldOVuv+UfD2mahJVCQj2td8tgZnG wYucvL3op+/4N1yoEJKjMmJq4maAWAoSAxKHuZgEcA7II7zQmsJcV5d7hNYfnZchpzdC l0hBhc54qK3VvdnAnhT5zX3uu3OCRQgSPE7B7Dme/2/XfArkH/3id3j1khryeDkhPGGs hxHpsL1LPe+gq+3LtraDgDmzXal23EMEuRQCphCpWFpQWwCjeDjG4AxJ7qyPTiJU3f9X dV7A== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass (test mode) header.i=@8bytes.org header.s=mail-1 header.b=RVM7OXCt; 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=RVM7OXCt; 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 , jroedel@suse.de, joro@8bytes.org Subject: [PATCH 31/31] x86/pti: Allow CONFIG_PAGE_TABLE_ISOLATION for x86_32 Date: Fri, 9 Feb 2018 10:25:40 +0100 Message-Id: <1518168340-9392-32-git-send-email-joro@8bytes.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1518168340-9392-1-git-send-email-joro@8bytes.org> References: <1518168340-9392-1-git-send-email-joro@8bytes.org> X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: =?utf-8?q?1591914915327355934?= X-GMAIL-MSGID: =?utf-8?q?1591914915327355934?= 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 b0cb9a5..93d85fd 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