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To:     linux-tip-commits@vger.kernel.org
Subject: [tip:x86/pti] x86/pti: Allow CONFIG_PAGE_TABLE_ISOLATION for x86_32
Git-Commit-ID: 7757d607c6b31867777de42e1fb0210b9c5d8b70
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Commit-ID:  7757d607c6b31867777de42e1fb0210b9c5d8b70
Gitweb:     https://git.kernel.org/tip/7757d607c6b31867777de42e1fb0210b9c5d8b70
Author:     Joerg Roedel <jroedel@suse.de>
AuthorDate: Wed, 18 Jul 2018 11:41:14 +0200
Committer:  Thomas Gleixner <tglx@linutronix.de>
CommitDate: Fri, 20 Jul 2018 01:11:48 +0200

x86/pti: Allow CONFIG_PAGE_TABLE_ISOLATION for x86_32

Allow PTI to be compiled on x86_32.

Signed-off-by: Joerg Roedel <jroedel@suse.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Pavel Machek <pavel@ucw.cz>
Cc: "H . Peter Anvin" <hpa@zytor.com>
Cc: linux-mm@kvack.org
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Dave Hansen <dave.hansen@intel.com>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
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Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Jiri Kosina <jkosina@suse.cz>
Cc: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: David Laight <David.Laight@aculab.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
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Link: https://lkml.kernel.org/r/1531906876-13451-38-git-send-email-joro@8bytes.org

---
 security/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/security/Kconfig b/security/Kconfig
index c4302067a3ad..afa91c6f06bb 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