From: Olaf Hering <olaf@aepfle.de>
To: Andres Lagar-Cavilla <andres@lagarcavilla.org>
Cc: andres@gridcentric.ca, xen-devel@lists.xensource.com,
tim@xen.org, adin@gridcentric.ca
Subject: Re: [PATCH] x86/mm: Improve ring management for memory events. Do not lose guest events
Date: Mon, 16 Jan 2012 16:10:58 +0100 [thread overview]
Message-ID: <20120116151058.GC30327@aepfle.de> (raw)
In-Reply-To: <a85e7d46401b1d419629.1326306504@xdev.gridcentric.ca>
On Wed, Jan 11, Andres Lagar-Cavilla wrote:
> xen/arch/x86/hvm/hvm.c | 18 +-
> xen/arch/x86/mm/mem_event.c | 298 +++++++++++++++++++++++++++++++++------
> xen/arch/x86/mm/mem_sharing.c | 30 +--
> xen/arch/x86/mm/p2m.c | 81 +++++-----
> xen/common/memory.c | 7 +-
> xen/include/asm-x86/mem_event.h | 22 +-
> xen/include/asm-x86/p2m.h | 12 +-
> xen/include/xen/mm.h | 2 +
> xen/include/xen/sched.h | 22 ++-
> 9 files changed, 359 insertions(+), 133 deletions(-)
>
>
> This patch is an amalgamation of the work done by Olaf Hering <olaf@aepfle.de>
> and our work.
>
> It combines logic changes to simplify the memory event API, as well as
> leveraging wait queues to deal with extreme conditions in which too many events are
> generated by a guest vcpu.
I'm ok with the approach, and it looks like the approach does not
conflict with my attempt to use waitqueues in get_gfn_type_access().
If the ring is full, the vcpu is put in a wait queue.
Olaf
next prev parent reply other threads:[~2012-01-16 15:10 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-01-11 18:28 [PATCH] x86/mm: Improve ring management for memory events. Do not lose guest events Andres Lagar-Cavilla
2012-01-12 11:56 ` Tim Deegan
2012-01-12 16:05 ` Andres Lagar-Cavilla
2012-01-13 9:50 ` Olaf Hering
2012-01-13 15:14 ` Andres Lagar-Cavilla
2012-01-13 19:57 ` Olaf Hering
2012-01-13 20:05 ` Andres Lagar-Cavilla
2012-01-16 15:08 ` Olaf Hering
2012-01-16 16:22 ` Olaf Hering
2012-01-16 15:04 ` Olaf Hering
2012-01-16 15:08 ` Andres Lagar-Cavilla
2012-01-16 15:10 ` Olaf Hering [this message]
2012-01-16 15:22 ` Olaf Hering
-- strict thread matches above, loose matches on Subject: below --
2012-01-16 15:39 Andres Lagar-Cavilla
2012-01-16 15:41 ` Olaf Hering
2012-01-19 10:39 ` Tim Deegan
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=20120116151058.GC30327@aepfle.de \
--to=olaf@aepfle.de \
--cc=adin@gridcentric.ca \
--cc=andres@gridcentric.ca \
--cc=andres@lagarcavilla.org \
--cc=tim@xen.org \
--cc=xen-devel@lists.xensource.com \
/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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.