From: Anthony Liguori <anthony@codemonkey.ws>
To: Izik Eidus <ieidus@redhat.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>,
linux-kernel@vger.kernel.org, kvm@vger.kernel.org,
linux-mm@kvack.org, avi@redhat.com, chrisw@redhat.com,
riel@redhat.com, jeremy@goop.org, mtosatti@redhat.com,
hugh@veritas.com, corbet@lwn.net, yaniv@redhat.com,
dmonakhov@openvz.org
Subject: Re: [PATCH 4/4] add ksm kernel shared memory driver.
Date: Wed, 01 Apr 2009 19:31:41 -0500 [thread overview]
Message-ID: <49D4076D.4010500@codemonkey.ws> (raw)
In-Reply-To: <49D3F088.50600@redhat.com>
Izik Eidus wrote:
> Anthony, the biggest problem about madvice() is that it is a real
> system call api, i wouldnt want in that stage of ksm commit into api
> changes of linux...
>
> The ioctl itself is restricting, madvice is much more...,
>
> Can we draft this issue to after ksm is merged, and after all the big
> new fetures that we want to add to ksm will be merge....
> (then the api would be much more stable, and we will be able to ask
> ppl in the list about changing of api, but for new driver that it yet
> to be merged, it is kind of overkill to add api to linux)
>
> What do you think?
You can't change ABIs after something is merged or you break userspace.
So you need to figure out the right ABI first.
Regards,
Anthony Liguori
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next prev parent reply other threads:[~2009-04-02 0:31 UTC|newest]
Thread overview: 66+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-03-30 23:59 [PATCH 0/4] ksm - dynamic page sharing driver for linux Izik Eidus
2009-03-30 23:59 ` [PATCH 1/4] MMU_NOTIFIERS: add set_pte_at_notify() Izik Eidus
2009-03-30 23:59 ` [PATCH 2/4] add page_wrprotect(): write protecting page Izik Eidus
2009-03-30 23:59 ` [PATCH 3/4] add replace_page(): change the page pte is pointing to Izik Eidus
2009-03-30 23:59 ` [PATCH 4/4] add ksm kernel shared memory driver Izik Eidus
2009-03-31 2:12 ` Anthony Liguori
2009-03-31 12:24 ` Izik Eidus
2009-03-31 13:31 ` Anthony Liguori
2009-03-31 14:25 ` Andrea Arcangeli
2009-03-31 14:37 ` Anthony Liguori
2009-03-31 15:02 ` Andrea Arcangeli
2009-03-31 15:09 ` Anthony Liguori
2009-03-31 15:18 ` Andrea Arcangeli
2009-03-31 15:54 ` Anthony Liguori
2009-03-31 16:25 ` Andrea Arcangeli
2009-03-31 16:51 ` Anthony Liguori
2009-03-31 17:11 ` Andrea Arcangeli
2009-04-01 22:54 ` Izik Eidus
2009-04-02 0:31 ` Anthony Liguori [this message]
2009-04-02 0:48 ` Chris Wright
2009-04-02 1:22 ` Chris Wright
2009-04-02 2:36 ` Anthony Liguori
2009-04-02 5:31 ` [PATCH 5/4] update ksm userspace interfaces Chris Wright
2009-04-02 13:32 ` Izik Eidus
2009-04-02 15:20 ` Chris Wright
2009-04-02 15:56 ` Chris Wright
2009-04-02 15:55 ` Izik Eidus
2009-04-03 10:16 ` Gerd Hoffmann
2009-04-03 10:49 ` Izik Eidus
2009-04-03 11:08 ` Gerd Hoffmann
2009-04-03 16:22 ` Chris Wright
2009-04-02 14:41 ` Andrea Arcangeli
2009-04-02 15:12 ` Chris Wright
2009-04-02 15:25 ` Andrea Arcangeli
2009-04-02 5:48 ` [PATCH 4/4 alternative userspace] add ksm kernel shared memory driver Chris Wright
2009-04-02 5:57 ` Bert Wesarg
2009-04-02 5:59 ` Chris Wright
2009-04-02 6:00 ` Bert Wesarg
2009-04-02 7:09 ` Avi Kivity
2009-04-02 7:24 ` [PATCH 4/4] " Avi Kivity
2009-04-02 9:38 ` Andrea Arcangeli
2009-04-02 11:23 ` Izik Eidus
2009-03-31 2:15 ` KAMEZAWA Hiroyuki
2009-03-31 12:21 ` Izik Eidus
2009-03-31 23:57 ` KAMEZAWA Hiroyuki
2009-04-01 17:28 ` Izik Eidus
2009-03-31 20:52 ` Andrea Arcangeli
2009-03-31 1:42 ` [PATCH 0/4] ksm - dynamic page sharing driver for linux Anthony Liguori
2009-03-31 12:33 ` Izik Eidus
2009-04-02 19:22 ` Jesper Juhl
2009-04-02 19:38 ` Izik Eidus
2009-04-02 19:39 ` Chris Wright
2009-04-02 19:49 ` Jesper Juhl
-- strict thread matches above, loose matches on Subject: below --
2009-04-04 14:35 [PATCH 0/4] ksm - dynamic page sharing driver for linux v2 Izik Eidus
2009-04-04 14:35 ` [PATCH 1/4] MMU_NOTIFIERS: add set_pte_at_notify() Izik Eidus
2009-04-04 14:35 ` [PATCH 2/4] add page_wrprotect(): write protecting page Izik Eidus
2009-04-04 14:35 ` [PATCH 3/4] add replace_page(): change the page pte is pointing to Izik Eidus
2009-04-04 14:35 ` [PATCH 4/4] add ksm kernel shared memory driver Izik Eidus
2009-04-06 9:13 ` Andrey Panin
2009-04-06 10:58 ` Izik Eidus
2009-04-09 3:58 [PATCH 0/4] ksm - dynamic page sharing driver for linux v3 Izik Eidus
2009-04-09 3:58 ` [PATCH 1/4] MMU_NOTIFIERS: add set_pte_at_notify() Izik Eidus
2009-04-09 3:58 ` [PATCH 2/4] add page_wrprotect(): write protecting page Izik Eidus
2009-04-09 3:58 ` [PATCH 3/4] add replace_page(): change the page pte is pointing to Izik Eidus
2009-04-09 3:58 ` [PATCH 4/4] add ksm kernel shared memory driver Izik Eidus
2009-04-14 22:09 ` Andrew Morton
2009-04-15 22:37 ` Izik Eidus
2009-04-15 22:50 ` Andrew Morton
2009-04-15 23:21 ` Andrea Arcangeli
2009-04-16 0:43 ` Jeremy Fitzhardinge
2009-04-16 0:57 ` Izik Eidus
2009-04-16 11:39 ` Andrea Arcangeli
2009-04-16 16:08 ` Jeremy Fitzhardinge
2009-04-18 14:58 ` Andrea Arcangeli
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