linux-kernel - Re: [RFC PATCH 0/4] make memtest a generic kernel feature

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Tue, 3 Mar 2015 16:37:40 +0000
From:	Mark Rutland <mark.rutland@....com>
To:	Vladimir Murzin <Vladimir.Murzin@....com>
Cc:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-mm@...ck.org" <linux-mm@...ck.org>,
	"linux-arch@...r.kernel.org" <linux-arch@...r.kernel.org>,
	"x86@...nel.org" <x86@...nel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"tglx@...utronix.de" <tglx@...utronix.de>,
	"mingo@...hat.com" <mingo@...hat.com>,
	"hpa@...or.com" <hpa@...or.com>,
	"akpm@...ux-foundation.org" <akpm@...ux-foundation.org>,
	"lauraa@...eaurora.org" <lauraa@...eaurora.org>,
	Catalin Marinas <Catalin.Marinas@....com>,
	Will Deacon <Will.Deacon@....com>,
	"linux@....linux.org.uk" <linux@....linux.org.uk>,
	"arnd@...db.de" <arnd@...db.de>,
	"ard.biesheuvel@...aro.org" <ard.biesheuvel@...aro.org>
Subject: Re: [RFC PATCH 0/4] make memtest a generic kernel feature

On Mon, Mar 02, 2015 at 02:55:41PM +0000, Vladimir Murzin wrote:
> Hi,

Hi Vladimir,
 
> Memtest is a simple feature which fills the memory with a given set of
> patterns and validates memory contents, if bad memory regions is detected it
> reserves them via memblock API. Since memblock API is widely used by other
> architectures this feature can be enabled outside of x86 world.
> 
> This patch set promotes memtest to live under generic mm umbrella and enables
> memtest feature for arm/arm64.
> 
> Patches are built on top of 4.0-rc1

Thanks for putting this together. I've found this extremely useful for
tracking down an issue with some errant DMA on an arm64 platform. For
the first three patches:

Tested-by: Mark Rutland <mark.rutland@....com>

Thanks,
Mark.

> 
> Vladimir Murzin (4):
>   mm: move memtest under /mm
>   memtest: use phys_addr_t for physical addresses
>   arm64: add support for memtest
>   arm: add support for memtest
> 
>  arch/arm/mm/init.c          |    3 ++
>  arch/arm64/mm/init.c        |    2 +
>  arch/x86/Kconfig            |   11 ----
>  arch/x86/include/asm/e820.h |    8 ---
>  arch/x86/mm/Makefile        |    2 -
>  arch/x86/mm/memtest.c       |  118 -------------------------------------------
>  include/linux/memblock.h    |    8 +++
>  lib/Kconfig.debug           |   11 ++++
>  mm/Makefile                 |    1 +
>  mm/memtest.c                |  118 +++++++++++++++++++++++++++++++++++++++++++
>  10 files changed, 143 insertions(+), 139 deletions(-)
>  delete mode 100644 arch/x86/mm/memtest.c
>  create mode 100644 mm/memtest.c
> 
> -- 
> 1.7.9.5
> 
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/