From: George Dunlap <george.dunlap@citrix.com>
To: Andrew Cooper <andrew.cooper3@citrix.com>,
Xen-devel <xen-devel@lists.xen.org>
Cc: "Stefano Stabellini" <sstabellini@kernel.org>,
"Wei Liu" <wei.liu2@citrix.com>,
"George Dunlap" <George.Dunlap@eu.citrix.com>,
"Tim Deegan" <tim@xen.org>, "Dario Faggioli" <dfaggioli@suse.com>,
"Julien Grall" <julien.grall@arm.com>,
"Jan Beulich" <JBeulich@suse.com>,
"Roger Pau Monné" <roger.pau@citrix.com>
Subject: Re: [PATCH 1/6] xen/domain: Reduce the quantity of initialisation for system domains
Date: Wed, 28 Feb 2018 15:22:35 +0000 [thread overview]
Message-ID: <9bc4f99a-6da3-0fc4-b2b7-ca7fbb38ea63@citrix.com> (raw)
In-Reply-To: <1519827268-18199-2-git-send-email-andrew.cooper3@citrix.com>
On 02/28/2018 02:14 PM, Andrew Cooper wrote:
> * System domains don't need watchdog initialisation or iomem/irq rangesets,
> and will not plausibly be a xenstore or hardware domain.
> * The idle domain doesn't need scheduler initialisation (and in particular,
> removing this path allows for substantial scheduler cleanup), and isn't
> liable to ever need late_hwdom_init().
>
> Move all of these initialisations pass the DOMCRF_dummy early exit, and into
> non-idle paths. rangeset_domain_initialise() remains because it makes no
> allocations, but does initialise a linked list and spinlock. The poolid
> parameter can be dropped as sched_init_domain()'s parameter is now
> unconditionally 0.
>
> Signed-off-by: Andrew Cooper <andrew.cooper3@citrix.com>
Looks good:
Reviewed-by: George Dunlap <george.dunlap@citrix.com>
_______________________________________________
Xen-devel mailing list
Xen-devel@lists.xenproject.org
https://lists.xenproject.org/mailman/listinfo/xen-devel
next prev parent reply other threads:[~2018-02-28 15:22 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-02-28 14:14 [PATCH 0/6] Assorted improvements to domain creation Andrew Cooper
2018-02-28 14:14 ` [PATCH 1/6] xen/domain: Reduce the quantity of initialisation for system domains Andrew Cooper
2018-02-28 15:22 ` George Dunlap [this message]
2018-03-01 10:10 ` Dario Faggioli
2018-02-28 14:14 ` [PATCH 2/6] xen/credit2: Move repl_timer into struct csched2_dom Andrew Cooper
2018-02-28 15:26 ` George Dunlap
2018-03-01 10:12 ` Dario Faggioli
2018-02-28 14:14 ` [PATCH 3/6] xen/sched: Improvements to the {alloc, free}_domdata() interfaces Andrew Cooper
2018-02-28 15:40 ` George Dunlap
2018-02-28 16:31 ` Meng Xu
2018-03-01 10:39 ` Dario Faggioli
2018-03-05 18:20 ` Andrew Cooper
2018-02-28 14:14 ` [PATCH 4/6] xen/sched: Remove {init, destroy}_domain() interfaces Andrew Cooper
2018-02-28 16:22 ` George Dunlap
2018-02-28 16:33 ` Andrew Cooper
2018-03-01 11:08 ` Dario Faggioli
2018-02-28 16:34 ` Meng Xu
2018-03-01 11:00 ` Dario Faggioli
2018-02-28 14:14 ` [PATCH 5/6] xen/domain: Call sched_destroy_domain() in the domain_create() error path Andrew Cooper
2018-02-28 16:24 ` George Dunlap
2018-03-01 13:25 ` Dario Faggioli
2018-03-01 13:27 ` Dario Faggioli
2018-02-28 14:14 ` [PATCH 6/6] xen/domain: Use IS_ERR_OR_NULL() when checking the return value of domain_create() Andrew Cooper
2018-02-28 16:36 ` George Dunlap
2018-03-07 19:12 ` [PATCH v2 6/6] xen/domain: Added debug safety in the domain_create() failure path Andrew Cooper
2018-03-08 9:04 ` Jan Beulich
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=9bc4f99a-6da3-0fc4-b2b7-ca7fbb38ea63@citrix.com \
--to=george.dunlap@citrix.com \
--cc=George.Dunlap@eu.citrix.com \
--cc=JBeulich@suse.com \
--cc=andrew.cooper3@citrix.com \
--cc=dfaggioli@suse.com \
--cc=julien.grall@arm.com \
--cc=roger.pau@citrix.com \
--cc=sstabellini@kernel.org \
--cc=tim@xen.org \
--cc=wei.liu2@citrix.com \
--cc=xen-devel@lists.xen.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).