From: Andi Kleen <andi@firstfloor.org>
To: Matthew Wilcox <matthew@wil.cx>
Cc: Andi Kleen <andi@firstfloor.org>, Greg KH <greg@kroah.com>,
Alex Chiang <achiang@hp.com>,
gregkh@suse.de, kristen.c.accardi@intel.com, lenb@kernel.org,
richard.jones2@hp.com, linux-kernel@vger.kernel.org,
linux-pci@atrey.karlin.mff.cuni.cz,
pcihpd-discuss@lists.sourceforge.net, linux-acpi@vger.kernel.org
Subject: Re: [PATCH 0/5][RFC] Physical PCI slot objects
Date: Wed, 14 Nov 2007 16:08:01 +0100 [thread overview]
Message-ID: <20071114150801.GH17145@one.firstfloor.org> (raw)
In-Reply-To: <20071114150025.GU17785@parisc-linux.org>
On Wed, Nov 14, 2007 at 08:00:25AM -0700, Matthew Wilcox wrote:
> On Wed, Nov 14, 2007 at 03:35:33PM +0100, Andi Kleen wrote:
> > It becomes much more when someone does a find /sys. dentries are
> > expensive. They eventually can get pruned again, but it's still
> > costly to do that.
>
> Again, if this is a big concern for you, there are better places to look
> at for savings.
Whoever is proposing a feature has the burden to justify that
its usefulness is larger than the overhead/cost it adds.
Doesn't seem to be the case with this one so far.
And in general ignoring overhead in new features is a pretty sad
approach. Big bloat does come in small steps with each new feature.
-Andi
next prev parent reply other threads:[~2007-11-14 15:08 UTC|newest]
Thread overview: 70+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-11-13 0:08 [PATCH 0/5][RFC] Physical PCI slot objects Alex Chiang
2007-11-13 0:12 ` [PATCH 1/5] Remove path attribute from sgi_hotplug Alex Chiang
2007-11-13 0:13 ` [PATCH 2/5] Construct one fakephp slot per pci slot Alex Chiang
2007-11-13 19:48 ` Linas Vepstas
2007-11-13 19:52 ` Matthew Wilcox
2007-11-14 12:39 ` [Pcihpd-discuss] " Rolf Eike Beer
2007-11-14 14:17 ` Alex Chiang
2007-11-14 14:49 ` Rolf Eike Beer
2007-11-14 15:01 ` Alex Chiang
2007-11-13 0:14 ` [PATCH 3/5, RFC] Introduce pci_slot Alex Chiang
2007-11-13 19:56 ` Linas Vepstas
2007-11-13 20:03 ` Matthew Wilcox
2007-11-13 0:17 ` [PATCH 4/5, RFC] ACPI PCI slot detection driver Alex Chiang
2007-11-13 0:18 ` [PATCH 5/5] Add pci_slot_add_hotplug() interface Alex Chiang
2007-11-13 17:01 ` [PATCH 0/5][RFC] Physical PCI slot objects Greg KH
2007-11-13 18:33 ` Matthew Wilcox
2007-11-13 18:51 ` Greg KH
2007-11-13 20:11 ` Matthew Wilcox
2007-11-13 20:19 ` Greg KH
2007-11-13 23:08 ` Gary Hade
2007-11-14 1:37 ` Alex Chiang
2007-11-15 0:40 ` Gary Hade
2007-11-15 17:36 ` Alex Chiang
2007-11-15 23:38 ` Gary Hade
2007-11-14 14:42 ` Alex Chiang
2007-11-14 18:13 ` Gary Hade
2007-11-14 18:36 ` Alex Chiang
2007-11-13 20:36 ` Alex Chiang
2007-11-13 21:30 ` Greg KH
2007-11-13 22:01 ` Bjorn Helgaas
2007-11-13 22:16 ` Greg KH
2007-11-13 21:15 ` Matt Domsch
2007-11-13 21:31 ` Alex Chiang
2007-11-13 21:36 ` Greg KH
2007-11-13 23:14 ` Alex Chiang
2007-11-13 21:32 ` Greg KH
2007-11-13 20:21 ` Alex Chiang
2007-11-13 20:26 ` Greg KH
2007-11-13 22:51 ` Rick Jones
2007-11-13 22:56 ` Greg KH
2007-11-13 23:04 ` Matthew Wilcox
2007-11-13 23:07 ` Greg KH
2007-11-14 6:00 ` Scott Murray
2007-11-13 23:33 ` Kristen Carlson Accardi
2007-11-14 0:10 ` Matthew Wilcox
2007-11-14 9:55 ` Kenji Kaneshige
2007-11-14 18:38 ` Kristen Carlson Accardi
2007-11-13 22:59 ` Kristen Carlson Accardi
2007-11-14 17:37 ` Bjorn Helgaas
2007-11-14 17:53 ` Greg KH
2007-11-14 19:53 ` Alex Chiang
2007-11-14 21:24 ` Alex Chiang
2007-11-14 21:42 ` Alex Chiang
2007-11-14 22:00 ` Greg KH
2007-11-15 20:20 ` Alex Chiang
2007-11-14 17:44 ` Matthew Garrett
2007-11-14 17:51 ` Greg KH
2007-11-14 18:03 ` Matthew Garrett
2007-11-13 20:24 ` Linas Vepstas
2007-11-13 20:59 ` Alex Chiang
2007-11-13 21:41 ` Linas Vepstas
2007-11-13 21:58 ` Matthew Wilcox
2007-11-14 1:07 ` Andi Kleen
2007-11-14 14:17 ` Matthew Wilcox
2007-11-14 14:35 ` Andi Kleen
2007-11-14 15:00 ` Matthew Wilcox
2007-11-14 15:08 ` Andi Kleen [this message]
2007-11-14 15:12 ` Matthew Wilcox
2007-11-14 15:20 ` Alex Chiang
2007-11-14 11:43 ` Kenji Kaneshige
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