linux-kernel - [PATCH v2 0/2] restrict /dev/mem to idle io memory ranges

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Message-ID: <20151124000553.26360.57819.stgit@dwillia2-desk3.jf.intel.com>
Date:	Mon, 23 Nov 2015 16:05:53 -0800
From:	Dan Williams <dan.j.williams@...el.com>
To:	linux-kernel@...r.kernel.org
Cc:	linux-arch@...r.kernel.org, Russell King <linux@....linux.org.uk>,
	Kees Cook <keescook@...omium.org>,
	Arnd Bergmann <arnd@...db.de>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	"H. Peter Anvin" <hpa@...or.com>,
	Heiko Carstens <heiko.carstens@...ibm.com>,
	Will Deacon <will.deacon@....com>,
	"David S. Miller" <davem@...emloft.net>,
	Ingo Molnar <mingo@...hat.com>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Martin Schwidefsky <schwidefsky@...ibm.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Catalin Marinas <catalin.marinas@....com>,
	Thomas Gleixner <tglx@...utronix.de>,
	linux-arm-kernel@...ts.infradead.org
Subject: [PATCH v2 0/2] restrict /dev/mem to idle io memory ranges

Changes since v1 [1]:

1/ Introduce ARCH_HAS_DEVMEM_IS_ALLOWED to flag archs where
   CONFIG_STRICT_DEVMEM will compile (Ingo)

2/ Drop "default y" for s390 (Heiko)

3/ Fix iomem_is_exclusive() return value in the
   CONFIG_IO_STRICT_DEVMEM=y case.

[1]: https://lkml.org/lkml/2015/11/21/183

---

Dan Williams (2):
      arch: consolidate CONFIG_STRICT_DEVM in lib/Kconfig.debug
      restrict /dev/mem to idle io memory ranges


 arch/arm/Kconfig             |    1 +
 arch/arm/Kconfig.debug       |   14 --------------
 arch/arm64/Kconfig           |    1 +
 arch/arm64/Kconfig.debug     |   14 --------------
 arch/frv/Kconfig             |    1 +
 arch/m32r/Kconfig            |    1 +
 arch/powerpc/Kconfig         |    1 +
 arch/powerpc/Kconfig.debug   |   12 ------------
 arch/s390/Kconfig            |    1 +
 arch/s390/Kconfig.debug      |   12 ------------
 arch/tile/Kconfig            |    4 +---
 arch/unicore32/Kconfig       |    1 +
 arch/unicore32/Kconfig.debug |   14 --------------
 arch/x86/Kconfig             |    1 +
 arch/x86/Kconfig.debug       |   17 -----------------
 kernel/resource.c            |   11 +++++++++--
 lib/Kconfig.debug            |   39 +++++++++++++++++++++++++++++++++++++++
 17 files changed, 57 insertions(+), 88 deletions(-)
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