From: christoffer.dall@linaro.org (Christoffer Dall)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v16 00/10] KVM/arm/arm64/x86: dirty page logging for ARMv7/8 (3.18.0-rc2)
Date: Wed, 21 Jan 2015 12:08:23 +0100 [thread overview]
Message-ID: <20150121110823.GB15076@cbox> (raw)
In-Reply-To: <1421366341-26012-1-git-send-email-m.smarduch@samsung.com>
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
next prev parent reply other threads:[~2015-01-21 11:08 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-01-15 23:58 [PATCH v16 00/10] KVM/arm/arm64/x86: dirty page logging for ARMv7/8 (3.18.0-rc2) Mario Smarduch
2015-01-15 23:58 ` [PATCH v16 01/10] KVM: Add architecture-defined TLB flush support Mario Smarduch
2015-01-15 23:58 ` [PATCH v16 02/10] KVM: Add generic support for dirty page logging Mario Smarduch
2015-01-15 23:58 ` [PATCH v16 03/10] KVM: x86: switch to kvm_get_dirty_log_protect Mario Smarduch
2015-01-15 23:58 ` [PATCH v16 04/10] KVM: arm: Add ARMv7 API to flush TLBs Mario Smarduch
2015-01-15 23:58 ` [PATCH v16 05/10] KVM: arm: Add initial dirty page locking support Mario Smarduch
2015-01-15 23:58 ` [PATCH v16 06/10] KVM: arm: dirty logging write protect support Mario Smarduch
2015-01-15 23:58 ` [PATCH v16 07/10] KVM: arm: page logging 2nd stage fault handling Mario Smarduch
2015-01-15 23:58 ` [PATCH v16 08/10] KVM: arm64: ARMv8 header changes for page logging Mario Smarduch
2015-01-15 23:59 ` [PATCH v16 09/10] KVM: arm64: Add HYP interface to flush VM Stage 1/2 TLB entries Mario Smarduch
2015-01-15 23:59 ` [PATCH v16 10/10] KVM: arm/arm64: Enable Dirty Page logging for ARMv8 Mario Smarduch
2015-01-21 11:08 ` Christoffer Dall [this message]
2015-01-21 18:38 ` [PATCH v16 00/10] KVM/arm/arm64/x86: dirty page logging for ARMv7/8 (3.18.0-rc2) Mario Smarduch
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20150121110823.GB15076@cbox \
--to=christoffer.dall@linaro.org \
--cc=linux-arm-kernel@lists.infradead.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).