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Message-ID: <5508625F.6060600@arm.com>
Date: Tue, 17 Mar 2015 17:20:31 +0000
From: Vladimir Murzin <vladimir.murzin@....com>
To: Will Deacon <will.deacon@....com>
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Subject: Re: [PATCH 0/6] make memtest a generic kernel feature
On 17/03/15 17:18, Will Deacon wrote:
> On Mon, Mar 09, 2015 at 10:27:04AM +0000, Vladimir Murzin wrote:
>> 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.
>>
>> It was reported that this patch set was useful for tracking down an issue with
>> some errant DMA on an arm64 platform.
>>
>> Since it touches x86 and mm bits it'd be great to get ACK/NAK for these bits.
>
> Is your intention for akpm to merge this? I don't mind how it goes upstream,
> but that seems like a sensible route to me.
>
It is already in -mm tree.
Vladimir
> Will
>
>> Changelog:
>>
>> RFC -> v1
>> - updated kernel-parameters.txt for memtest entry
>> - updated number of test patterns in Kconfig menu
>> - added Acked/Tested tags for arm64 bits
>> - rebased on v4.0-rc3
>>
>> Vladimir Murzin (6):
>> mm: move memtest under /mm
>> memtest: use phys_addr_t for physical addresses
>> arm64: add support for memtest
>> arm: add support for memtest
>> Kconfig: memtest: update number of test patterns up to 17
>> Documentation: update arch list in the 'memtest' entry
>>
>> Documentation/kernel-parameters.txt | 2 +-
>> 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 +++++++++++++++++++++++++++++++++++
>> 11 files changed, 144 insertions(+), 140 deletions(-)
>> delete mode 100644 arch/x86/mm/memtest.c
>> create mode 100644 mm/memtest.c
>>
>> --
>> 1.7.9.5
>>
>
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