From: "Andres Lagar-Cavilla" <andres@lagarcavilla.org>
To: Tim Deegan <tim@xen.org>
Cc: xen-devel@lists.xensource.com, ian.campbell@citrix.com,
andres@gridcentric.ca, keir.xen@gmail.com, jbeulich@suse.com,
ian.jackson@citrix.com, adin@gridcentric.ca
Subject: Re: [PATCH 00 of 13] Sharing overhaul V4
Date: Thu, 26 Jan 2012 05:08:30 -0800 [thread overview]
Message-ID: <179809993fc3f368ab813d31f07d5940.squirrel@webmail.lagarcavilla.org> (raw)
In-Reply-To: <20120126125435.GB74165@ocelot.phlegethon.org>
> At 22:32 -0500 on 25 Jan (1327530744), Andres Lagar-Cavilla wrote:
>> This patch series brings about a set of changes to the sharing support
>> in the hypervisor and tools. Specifically:
>>
>> - Granular scalable locking: lock mfn's individually when
>> sharing/unsharing
>> them. Do not rely on a global lock. Use RCU to maintain a list of all
>> shared frames for audit purposes.
>>
>> - Refreshed stats: they now work (tm), and are accesible via libxc
>> and console.
>>
>> - libxl/xl support to get sharing stats.
>>
>> - New sharing command "add to physmap", to directly populate a new
>> domain
>> with shared frames.
>>
>> - Toolstack and memshr kept in sync.
>
> Applied all except #12; thank you.
>
> Tools maintainers, I think it would be a good idea to take #12 as well,
> in spite of the commit message saying 'not necessarily expecting it be
> added to the tree', in order to have an in-tree consumer of these
> interfaces.
Excellent, thanks. Patch 12 is demo code. Nice to have, but neither
critical nor particularly clean...
Cheers,
Andres
>
> Cheers,
>
> Tim.
>
next prev parent reply other threads:[~2012-01-26 13:08 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-01-26 3:32 [PATCH 00 of 13] Sharing overhaul V4 Andres Lagar-Cavilla
2012-01-26 3:32 ` [PATCH 01 of 13] x86/mm: Eliminate hash table in sharing code as index of shared mfns Andres Lagar-Cavilla
2012-01-26 3:32 ` [PATCH 02 of 13] x86/mm: Update mem sharing interface to (re)allow sharing of grants Andres Lagar-Cavilla
2012-01-26 3:32 ` [PATCH 03 of 13] x86/mm: Add per-page locking for memory sharing, when audits are disabled Andres Lagar-Cavilla
2012-01-26 3:32 ` [PATCH 04 of 13] x86/mm: Enforce lock ordering for sharing page locks Andres Lagar-Cavilla
2012-01-26 3:32 ` [PATCH 05 of 13] x86/mm: Check how many mfns are shared, in addition to how many are saved Andres Lagar-Cavilla
2012-01-26 3:32 ` [PATCH 06 of 13] x86/mm: New domctl: add a shared page to the physmap Andres Lagar-Cavilla
2012-01-26 3:32 ` [PATCH 07 of 13] Add the ability to poll stats about shared memory via the console Andres Lagar-Cavilla
2012-01-26 3:32 ` [PATCH 08 of 13] x86/mm: use RCU in mem sharing audit list, eliminate global lock completely Andres Lagar-Cavilla
2012-01-26 3:32 ` [PATCH 09 of 13] Update memshr API and tools Andres Lagar-Cavilla
2012-01-26 3:32 ` [PATCH 10 of 13] Tools: Expose to libxc the total number of shared frames and space saved Andres Lagar-Cavilla
2012-01-26 3:32 ` [PATCH 11 of 13] Tools: Add a sharing command to xl for information about shared pages Andres Lagar-Cavilla
2012-01-26 3:32 ` [PATCH 12 of 13] Memshrtool: tool to test and exercise the sharing subsystem Andres Lagar-Cavilla
2012-01-27 18:21 ` Ian Jackson
2012-01-27 18:27 ` Andres Lagar-Cavilla
2012-01-26 3:32 ` [PATCH 13 of 13] x86/mm: Sharing overhaul style improvements Andres Lagar-Cavilla
2012-01-26 12:54 ` [PATCH 00 of 13] Sharing overhaul V4 Tim Deegan
2012-01-26 13:08 ` Andres Lagar-Cavilla [this message]
2012-01-26 13:16 ` Olaf Hering
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