From: Andrea Arcangeli <andrea@suse.de>
To: "J.A. Magallon" <jamagallon@able.es>
Cc: linux-kernel@vger.kernel.org
Subject: Re: 2.4.21rc8aa1
Date: Sat, 28 Jun 2003 03:47:22 +0200 [thread overview]
Message-ID: <20030628014722.GE3040@dualathlon.random> (raw)
In-Reply-To: <20030628013435.GG9706@werewolf.able.es>
On Sat, Jun 28, 2003 at 03:34:35AM +0200, J.A. Magallon wrote:
>
> Hi,
>
> On 06.12, Andrea Arcangeli wrote:
> > This version has some experimental change to the blkdev layer (latency
> > fixes from Chris and Nick too plus the backout of the rc6 latency change
> > to see if we can fix it w/o generating overscheduling, especially
> > because it doesn't sound the right fix), so I would recommend some
> > beating before doing anything critical with it. I would expect it as
> > worse to deadlock with some task in D state. It worked fine for me so
> > far but I didn't run big stress yet. In theory it should be better, but
> > I just wanted to give a warning until it is better tested ;).
> >
> > URL:
> >
> > http://www.us.kernel.org/pub/linux/kernel/people/andrea/kernels/v2.4/2.4.21rc8aa1.gz
> > http://www.us.kernel.org/pub/linux/kernel/people/andrea/kernels/v2.4/2.4.21rc8aa1/
> >
>
> In sg.c, gcc shouts on:
>
> PRINT_PROC("%u\t%hu\t%hd\t%hu\t%d\t%d\n",
> shp->unique_id, shp->host_busy, shp->cmd_per_lun,
> shp->sg_tablesize, (int)shp->unchecked_isa_dma,
> (int)shp->hostt->emulated);
>
> shp->host_busy should be accessed through atomic_read(), I think.
correct ;), thanks
Andrea
prev parent reply other threads:[~2003-06-28 1:34 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-06-12 3:20 2.4.21rc8aa1 Andrea Arcangeli
2003-06-28 1:34 ` 2.4.21rc8aa1 J.A. Magallon
2003-06-28 1:47 ` Andrea Arcangeli [this message]
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