Commit-ID:  7757d607c6b31867777de42e1fb0210b9c5d8b70
Gitweb:     https://git.kernel.org/tip/7757d607c6b31867777de42e1fb0210b9c5d8b70
Author:     Joerg Roedel <jroe...@suse.de>
AuthorDate: Wed, 18 Jul 2018 11:41:14 +0200
Committer:  Thomas Gleixner <t...@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 <jroe...@suse.de>
Signed-off-by: Thomas Gleixner <t...@linutronix.de>
Tested-by: Pavel Machek <pa...@ucw.cz>
Cc: "H . Peter Anvin" <h...@zytor.com>
Cc: linux...@kvack.org
Cc: Linus Torvalds <torva...@linux-foundation.org>
Cc: Andy Lutomirski <l...@kernel.org>
Cc: Dave Hansen <dave.han...@intel.com>
Cc: Josh Poimboeuf <jpoim...@redhat.com>
Cc: Juergen Gross <jgr...@suse.com>
Cc: Peter Zijlstra <pet...@infradead.org>
Cc: Borislav Petkov <b...@alien8.de>
Cc: Jiri Kosina <jkos...@suse.cz>
Cc: Boris Ostrovsky <boris.ostrov...@oracle.com>
Cc: Brian Gerst <brge...@gmail.com>
Cc: David Laight <david.lai...@aculab.com>
Cc: Denys Vlasenko <dvlas...@redhat.com>
Cc: Eduardo Valentin <edu...@amazon.com>
Cc: Greg KH <gre...@linuxfoundation.org>
Cc: Will Deacon <will.dea...@arm.com>
Cc: aligu...@amazon.com
Cc: daniel.gr...@iaik.tugraz.at
Cc: hu...@google.com
Cc: keesc...@google.com
Cc: Andrea Arcangeli <aarca...@redhat.com>
Cc: Waiman Long <ll...@redhat.com>
Cc: "David H . Gutteridge" <dhgutteri...@sympatico.ca>
Cc: j...@8bytes.org
Link: 
https://lkml.kernel.org/r/1531906876-13451-38-git-send-email-j...@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

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