linux-kernel - [PATCH 4.1 58/65] x86/kaiser: Reenable PARAVIRT

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Message-Id: <20180306002538.1761-59-pasha.tatashin@oracle.com>
Date:   Mon,  5 Mar 2018 19:25:31 -0500
From:   Pavel Tatashin <pasha.tatashin@...cle.com>
To:     steven.sistare@...cle.com, daniel.m.jordan@...cle.com,
        linux-kernel@...r.kernel.org, Alexander.Levin@...rosoft.com,
        dan.j.williams@...el.com, sathyanarayanan.kuppuswamy@...el.com,
        pankaj.laxminarayan.bharadiya@...el.com, akuster@...sta.com,
        cminyard@...sta.com, pasha.tatashin@...cle.com,
        gregkh@...uxfoundation.org, stable@...r.kernel.org
Subject: [PATCH 4.1 58/65] x86/kaiser: Reenable PARAVIRT

From: Borislav Petkov <bp@...e.de>

Now that the required bits have been addressed, reenable
PARAVIRT.

Signed-off-by: Borislav Petkov <bp@...e.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
(cherry picked from commit 750fb627d764eb66430c36961b94ab0002694c02)
Signed-off-by: Pavel Tatashin <pasha.tatashin@...cle.com>
---
 security/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/security/Kconfig b/security/Kconfig
index 9d63046e4794..ae44b94d63b2 100644
--- a/security/Kconfig
+++ b/security/Kconfig
@@ -34,7 +34,7 @@ config SECURITY
 config KAISER
 	bool "Remove the kernel mapping in user mode"
 	default y
-	depends on X86_64 && SMP && !PARAVIRT
+	depends on X86_64 && SMP
 	help
 	  This enforces a strict kernel and user space isolation, in order
 	  to close hardware side channels on kernel address information.
-- 
2.16.2