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From: Ingo Molnar <mingo@kernel.org>
To: Dan Williams <dan.j.williams@intel.com>
Cc: linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org,
	Russell King <linux@arm.linux.org.uk>,
	Kees Cook <keescook@chromium.org>, Arnd Bergmann <arnd@arndb.de>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Catalin Marinas <catalin.marinas@arm.com>,
	linux-nvdimm@lists.01.org,
	Heiko Carstens <heiko.carstens@de.ibm.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	Will Deacon <will.deacon@arm.com>, Ingo Molnar <mingo@redhat.com>,
	Benjamin Herrenschmidt <benh@kernel.crashing.org>,
	"H. Peter Anvin" <hpa@zytor.com>,
	Martin Schwidefsky <schwidefsky@de.ibm.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	"David S. Miller" <davem@davemloft.net>,
	linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 1/2] arch: consolidate CONFIG_STRICT_DEVM in lib/Kconfig.debug
Date: Mon, 23 Nov 2015 09:12:35 +0100	[thread overview]
Message-ID: <20151123081235.GA23661@gmail.com> (raw)
In-Reply-To: <20151122035702.9313.52457.stgit@dwillia2-desk3.jf.intel.com>


* Dan Williams <dan.j.williams@intel.com> wrote:

> Let all the archs that implement CONFIG_STRICT_DEVM use a common
> definition in lib/Kconfig.debug.

For the x86 bit:

Acked-by: Ingo Molnar <mingo@kernel.org>

> Note, the 'depends on !SPARC' is due to sparc not implementing
> devmem_is_allowed().

Maybe that should be converted into a helper Kconfig switch for architectures to 
opt in to /dev/mem restrictions?

Thanks,

	Ingo

WARNING: multiple messages have this Message-ID (diff)
From: mingo@kernel.org (Ingo Molnar)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 1/2] arch: consolidate CONFIG_STRICT_DEVM in lib/Kconfig.debug
Date: Mon, 23 Nov 2015 09:12:35 +0100	[thread overview]
Message-ID: <20151123081235.GA23661@gmail.com> (raw)
In-Reply-To: <20151122035702.9313.52457.stgit@dwillia2-desk3.jf.intel.com>


* Dan Williams <dan.j.williams@intel.com> wrote:

> Let all the archs that implement CONFIG_STRICT_DEVM use a common
> definition in lib/Kconfig.debug.

For the x86 bit:

Acked-by: Ingo Molnar <mingo@kernel.org>

> Note, the 'depends on !SPARC' is due to sparc not implementing
> devmem_is_allowed().

Maybe that should be converted into a helper Kconfig switch for architectures to 
opt in to /dev/mem restrictions?

Thanks,

	Ingo

WARNING: multiple messages have this Message-ID (diff)
From: Ingo Molnar <mingo@kernel.org>
To: Dan Williams <dan.j.williams@intel.com>
Cc: linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org,
	Russell King <linux@arm.linux.org.uk>,
	Kees Cook <keescook@chromium.org>, Arnd Bergmann <arnd@arndb.de>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Catalin Marinas <catalin.marinas@arm.com>,
	linux-nvdimm@ml01.01.org,
	Heiko Carstens <heiko.carstens@de.ibm.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	Will Deacon <will.deacon@arm.com>, Ingo Molnar <mingo@redhat.com>,
	Benjamin Herrenschmidt <benh@kernel.crashing.org>,
	"H. Peter Anvin" <hpa@zytor.com>,
	Martin Schwidefsky <schwidefsky@de.ibm.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	"David S. Miller" <davem@davemloft.net>,
	linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 1/2] arch: consolidate CONFIG_STRICT_DEVM in lib/Kconfig.debug
Date: Mon, 23 Nov 2015 09:12:35 +0100	[thread overview]
Message-ID: <20151123081235.GA23661@gmail.com> (raw)
In-Reply-To: <20151122035702.9313.52457.stgit@dwillia2-desk3.jf.intel.com>


* Dan Williams <dan.j.williams@intel.com> wrote:

> Let all the archs that implement CONFIG_STRICT_DEVM use a common
> definition in lib/Kconfig.debug.

For the x86 bit:

Acked-by: Ingo Molnar <mingo@kernel.org>

> Note, the 'depends on !SPARC' is due to sparc not implementing
> devmem_is_allowed().

Maybe that should be converted into a helper Kconfig switch for architectures to 
opt in to /dev/mem restrictions?

Thanks,

	Ingo

  parent reply	other threads:[~2015-11-23  8:12 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-11-22  3:57 [PATCH 1/2] arch: consolidate CONFIG_STRICT_DEVM in lib/Kconfig.debug Dan Williams
2015-11-22  3:57 ` Dan Williams
2015-11-22  3:57 ` Dan Williams
2015-11-22  3:57 ` [PATCH 2/2] restrict /dev/mem to idle io memory ranges Dan Williams
2015-11-22  3:57   ` Dan Williams
2015-11-22  3:57   ` Dan Williams
2015-11-23 19:00   ` Kees Cook
2015-11-23 19:00     ` Kees Cook
2015-11-23 19:00     ` Kees Cook
2015-11-23  8:12 ` Ingo Molnar [this message]
2015-11-23  8:12   ` [PATCH 1/2] arch: consolidate CONFIG_STRICT_DEVM in lib/Kconfig.debug Ingo Molnar
2015-11-23  8:12   ` Ingo Molnar
2015-11-23 17:12   ` Dan Williams
2015-11-23 17:12     ` Dan Williams
2015-11-23 17:12     ` Dan Williams
2015-11-23 18:56     ` Kees Cook
2015-11-23 18:56       ` Kees Cook
2015-11-23 18:56       ` Kees Cook
2015-11-24  8:27       ` Ingo Molnar
2015-11-24  8:27         ` Ingo Molnar
2015-11-24  8:27         ` Ingo Molnar
2015-11-23  9:53 ` Heiko Carstens
2015-11-23  9:53   ` Heiko Carstens
2015-11-23  9:53   ` Heiko Carstens
2015-11-23 17:09   ` Dan Williams
2015-11-23 17:09     ` Dan Williams
2015-11-23 17:09     ` Dan Williams
2015-11-23 10:19 ` Catalin Marinas
2015-11-23 10:19   ` Catalin Marinas
2015-11-23 10:19   ` Catalin Marinas

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