From mboxrd@z Thu Jan  1 00:00:00 1970
From: m.smarduch@samsung.com (Mario Smarduch)
Date: Wed, 21 Jan 2015 10:38:50 -0800
Subject: [PATCH v16 00/10] KVM/arm/arm64/x86: dirty page logging for
 ARMv7/8 (3.18.0-rc2)
In-Reply-To: <20150121110823.GB15076@cbox>
References: <1421366341-26012-1-git-send-email-m.smarduch@samsung.com>
 <20150121110823.GB15076@cbox>
Message-ID: <54BFF23A.30205@samsung.com>
To: linux-arm-kernel@lists.infradead.org
List-Id: linux-arm-kernel.lists.infradead.org

On 01/21/2015 03:08 AM, Christoffer Dall wrote:
> On Thu, Jan 15, 2015 at 03:58:51PM -0800, Mario Smarduch wrote:
>> Patch series adds support for armv7/8 dirty page logging. As we move
>> towards generic dirty page logging interface we move some common code to
>> generic layer shared by x86, armv7 and armv8.
>>
>> armv7/8 Dirty page logging implementation overivew-
>> - initially write protects memory region 2nd stage page tables
>> - read dirty page log and again write protect dirty pages for next pass.
>> - second stage huge pages are dissolved into normal pages to keep track of
>>   dirty memory at page granularity. Tracking at huge page granularity
>>   limits granularity of marking dirty memory and migration to a light memory
>>   load. Small page size logging supports higher memory dirty rates, enables
>>   rapid migration.
>>
>>   armv7 supports 2MB Huge page, and armv8 supports 2MB (4kb) and
>>   512MB (64kb)
>> - In the event migration is canceled, normal behavior is resumed huge pages
>>   are rebuilt over time.
>>
> 
> Thanks, applied.
> 
> -Christoffer
> 
Thanks! And also to other folks that helped along the way
in shaping the design and reviews.

- Mario