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From: Ingo Molnar <mingo@kernel.org>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: linux-kernel@vger.kernel.org,
	Thomas Gleixner <tglx@linutronix.de>,
	Peter Zijlstra <a.p.zijlstra@chello.nl>,
	Andrew Morton <akpm@linux-foundation.org>
Subject: [GIT PULL] Make /dev/mem CONFIG_STRICT_DEVMEM=y the default on x86 and arm64
Date: Mon, 29 Jan 2018 10:51:28 +0100	[thread overview]
Message-ID: <20180129095128.xwwrsa4clrrvduca@gmail.com> (raw)

Linus,

Please pull the latest core-debug-for-linus git tree from:

   git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git core-debug-for-linus

   # HEAD: 0f7cda2b824bb2afe0d75716a8664117fa03f5e0 Kconfig: Make STRICT_DEVMEM default-y on x86 and arm64

Make CONFIG_STRICT_DEVMEM default-y on x86 and arm64 as well, to follow the
distro status quo.

 Thanks,

	Ingo

------------------>
Kees Cook (1):
      Kconfig: Make STRICT_DEVMEM default-y on x86 and arm64


 lib/Kconfig.debug | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 947d3e2ed5c2..39b123d04a36 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -1985,7 +1985,7 @@ config STRICT_DEVMEM
 	bool "Filter access to /dev/mem"
 	depends on MMU && DEVMEM
 	depends on ARCH_HAS_DEVMEM_IS_ALLOWED
-	default y if TILE || PPC
+	default y if TILE || PPC || X86 || ARM64
 	---help---
 	  If this option is disabled, you allow userspace (root) access to all
 	  of memory, including kernel and userspace memory. Accidental

                 reply	other threads:[~2018-01-29  9:51 UTC|newest]

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