linux-kernel - [RFC PATCH v4 04/12] __wr_after_init: x86

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Message-Id: <38307f2c7ae982478d33f55f7a7b827de489cdf3.1549927666.git.igor.stoppa@huawei.com>
Date:   Tue, 12 Feb 2019 01:27:41 +0200
From:   Igor Stoppa <igor.stoppa@...il.com>
To:     unlisted-recipients:; (no To-header on input)
Cc:     Igor Stoppa <igor.stoppa@...wei.com>,
        Andy Lutomirski <luto@...capital.net>,
        Nadav Amit <nadav.amit@...il.com>,
        Matthew Wilcox <willy@...radead.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Kees Cook <keescook@...omium.org>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        Mimi Zohar <zohar@...ux.vnet.ibm.com>,
        Thiago Jung Bauermann <bauerman@...ux.ibm.com>,
        Ahmed Soliman <ahmedsoliman@...a.vt.edu>,
        linux-integrity@...r.kernel.org,
        kernel-hardening@...ts.openwall.com, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org
Subject: [RFC PATCH v4 04/12] __wr_after_init: x86_64: enable

Set ARCH_HAS_PRMEM to Y for x86_64

Signed-off-by: Igor Stoppa <igor.stoppa@...wei.com>

CC: Andy Lutomirski <luto@...capital.net>
CC: Nadav Amit <nadav.amit@...il.com>
CC: Matthew Wilcox <willy@...radead.org>
CC: Peter Zijlstra <peterz@...radead.org>
CC: Kees Cook <keescook@...omium.org>
CC: Dave Hansen <dave.hansen@...ux.intel.com>
CC: Mimi Zohar <zohar@...ux.vnet.ibm.com>
CC: Thiago Jung Bauermann <bauerman@...ux.ibm.com>
CC: Ahmed Soliman <ahmedsoliman@...a.vt.edu>
CC: linux-integrity@...r.kernel.org
CC: kernel-hardening@...ts.openwall.com
CC: linux-mm@...ck.org
CC: linux-kernel@...r.kernel.org
---
 arch/x86/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 68261430fe6e..7392b53b12c2 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -32,6 +32,7 @@ config X86_64
 	select SWIOTLB
 	select X86_DEV_DMA_OPS
 	select ARCH_HAS_SYSCALL_WRAPPER
+	select ARCH_HAS_PRMEM
 
 #
 # Arch settings
-- 
2.19.1