mirror of https://lore.kernel.org/lkml/
 help / color / mirror / Atom feed
From: Arjan van de Ven <arjan@infradead.org>
To: Zhang Rui <rui.zhang@intel.com>
Cc: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"torvalds@linux-foundation.org" <torvalds@linux-foundation.org>,
	"mingo@elte.hu" <mingo@elte.hu>,
	"akpm@linux-foundation.org" <akpm@linux-foundation.org>,
	"linux-ide@vger.kernel.org" <linux-ide@vger.kernel.org>,
	"linux-scsi@vger.kernel.org" <linux-scsi@vger.kernel.org>,
	"linux-acpi@vger.kernel.org" <linux-acpi@vger.kernel.org>
Subject: Re: [PATCH 1/6] fastboot: Asynchronous function calls to speed up kernel boot
Date: Wed, 14 Jan 2009 09:04:33 +0000	[thread overview]
Message-ID: <20090114090433.45cf1e78@infradead.org> (raw)
In-Reply-To: <1231911163.20746.126.camel@rzhang-dt>

On Wed, 14 Jan 2009 13:32:43 +0800
Zhang Rui <rui.zhang@intel.com> wrote:
> > +
> > +       wait_event(async_done, lowest_in_progress >= cookie);
> > +
> 
> In some cases, we only want to wait for a specific cookie
> rather than all the cookies smaller than it.
> 
> For example:
> device          cookie
> ACPI battery    1
> ata port 0      2
> ata port 1      3
> ata port 0 and port 1 in the same host can not be probed in parallel.
> 
> In this case, ata port1 should only wait for cookie 2 rather than
> both 1 and 2.
> 

I really don't want to go this way; ordering is really important and I
don't want to break this.

If you really have a fully separate domain (and there's only few of
those in our kernel), then use a special run list.



-- 
Arjan van de Ven 	Intel Open Source Technology Centre
For development, discussion and tips for power savings, 
visit http://www.lesswatts.org

  reply	other threads:[~2009-01-14  9:03 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20090105200959.04a626ac@infradead.org>
2009-01-06  4:10 ` Arjan van de Ven
2009-01-06  4:25   ` Andrew Morton
2009-01-06  4:37     ` Arjan van de Ven
2009-01-06 13:57     ` Arjan van de Ven
2009-01-14  5:32   ` Zhang Rui
2009-01-14  9:04     ` Arjan van de Ven [this message]
2009-01-15  5:55   ` Zhang Rui
2009-01-06  4:11 ` [PATCH 2/6] fastboot: make scsi probes asynchronous Arjan van de Ven
2009-01-09 18:17   ` Mark Lord
2009-01-06  4:12 ` [PATCH 3/6] fastboot: make the libata port scan asynchronous Arjan van de Ven
2009-01-07  9:12   ` Bert Wesarg
2009-01-06  4:12 ` [PATCH 4/6] fastboot: make ACPI bus drivers probe asynchronous Arjan van de Ven
2009-01-07 14:12   ` Yong Wang
2009-01-07 17:25     ` Arjan van de Ven
2009-01-06  4:13 ` [PATCH 5/6] bootchart: improve output Arjan van de Ven
2009-01-06  4:13 ` [PATCH 6/6] fastboot: Make libata initialization even more async Arjan van de Ven

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=20090114090433.45cf1e78@infradead.org \
    --to=arjan@infradead.org \
    --cc=akpm@linux-foundation.org \
    --cc=linux-acpi@vger.kernel.org \
    --cc=linux-ide@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-scsi@vger.kernel.org \
    --cc=mingo@elte.hu \
    --cc=rui.zhang@intel.com \
    --cc=torvalds@linux-foundation.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

Powered by JetHome