Date: Sun, 4 Jan 2009 10:44:25 -0800
From: Arjan van de Ven <arjan@infradead.org>
To: "Jaswinder Singh Rajput" <jaswinderlinux@gmail.com>
Cc: "Matthew Wilcox" <matthew@wil.cx>, linux-kernel@vger.kernel.org,
       torvalds@linux-foundation.org, mingo@elte.hu, fweisbec@gmail.com,
       linux-scsi@vger.kernel.org, linux-ide@vger.kernel.org,
       linux-acpi@vger.kernel.org, akpm@linux-foundation.org
Subject: Re: [PATCH 2/4] fastboot: make scsi probes asynchronous
Message-ID: <20090104104425.4bee0c95@infradead.org>
In-Reply-To: <3f9a31f40901041038w47493205m9fcd87fe237ec257@mail.gmail.com>
References: <20090104092430.7ffd2c41@infradead.org>
	<20090104092940.11943797@infradead.org>
	<20090104180515.GD2002@parisc-linux.org>
	<20090104101353.05e8df09@infradead.org>
	<3f9a31f40901041038w47493205m9fcd87fe237ec257@mail.gmail.com>
Organization: Intel
Mime-Version: 1.0
Content-Type: text/plain; charset=US-ASCII
Content-Transfer-Encoding: 7bit
Sender: linux-kernel-owner@vger.kernel.org
Content-Length: 1130
Lines: 32

On Mon, 5 Jan 2009 00:08:42 +0530
"Jaswinder Singh Rajput" <jaswinderlinux@gmail.com> wrote:

> On Sun, Jan 4, 2009 at 11:43 PM, Arjan van de Ven
> <arjan@infradead.org> wrote:
> >
> > just checked;
> > my box has CONFIG_SCSI_SCAN_ASYNC=y set for both cases
> > it seems to be about 0.1 seconds win still though...
> > sounds little, but a kernel boot should be less than a second, so
> > that is still 10%. And it's obviously also disk dependent..
> > (I used libata connected disks obviously)
> >
> 
> Do you also have boot time numbers for RAM and/or flash based
> filesystem (disk-less)

my laptop with a pretty nice SSD shows a similar kind of behavior
(bit shorter in time, but there the entire kernel boot is shorter as a
whole)


-- 
Arjan van de Ven 	Intel Open Source Technology Centre
For development, discussion and tips for power savings, 
visit http://www.lesswatts.org
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/