From: Martin Waitz <tali@admingilde.org>
To: tony osborne <tonyosborne_a@hotmail.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Main CPU- I/O CPU interaction
Date: Mon, 3 Jan 2005 17:12:34 +0100 [thread overview]
Message-ID: <20050103161234.GZ31835@admingilde.org> (raw)
In-Reply-To: <BAY14-F83B94FD7D13C5D19883F795900@phx.gbl>
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On Mon, Jan 03, 2005 at 12:44:36AM +0000, tony osborne wrote:
> The I/O devices are equipped with dedicated processor to free the main CPU
> from doing the low level I/O operations. However, if i am editing and
^^^^^^^^^^^^^
> updating a big size file and i want to save
> it afterwards, i notice my PC getting blocked while saving the file which
> theoritically should NOT happen as it is up to the I/O device processor and
> not the main CPU to save the data into the disk; the main CPU could switch
> to another process after giving the high level command -save-to the device
^^^^^^^^^^^^^^^^^^
> processor; so why the main CPU is blocked while saving such big size files
--
Martin Waitz
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next prev parent reply other threads:[~2005-01-03 16:12 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-01-03 0:44 tony osborne
2005-01-03 16:12 ` Martin Waitz [this message]
2005-01-03 18:51 ` David Schwartz
2005-01-03 21:03 ` tony osborne
2005-01-03 21:49 ` David Schwartz
2005-01-03 22:27 ` Valdis.Kletnieks
2005-01-04 22:03 ` Alan Cox
2005-01-05 6:53 ` Tom Felker
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