From: Greg KH <greg@kroah.com>
To: Yinghai Lu <yinghai@kernel.org>
Cc: Jesse Barnes <jbarnes@virtuousgeek.org>,
Thomas Gleixner <tglx@linutronix.de>, Ingo Molnar <mingo@elte.hu>,
"H. Peter Anvin" <hpa@zytor.com>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
"linux-pci@vger.kernel.org" <linux-pci@vger.kernel.org>,
linux-usb@vger.kernel.org,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH -v3 0/4] x86, usb, pci: Disable usb legacy support early
Date: Mon, 10 Jan 2011 19:35:56 -0800 [thread overview]
Message-ID: <20110111033556.GC9709@kroah.com> (raw)
In-Reply-To: <4D2BB1A4.5090404@kernel.org>
On Mon, Jan 10, 2011 at 05:25:56PM -0800, Yinghai Lu wrote:
> On 01/10/2011 05:07 PM, Greg KH wrote:
> > On Mon, Jan 10, 2011 at 04:49:02PM -0800, Yinghai Lu wrote:
> >>
> >> Move quirks for usb handoff early for x86.
> >>
> >> So we can get stable result when trying to calibrate apic timer with pm-timer.
> >
> > I still fail to understand _why_ you are making these changes.
> >
> > Exactly what problem do you currently have, on what hardware, that this
> > patch set solves?
> 1. remove the warning
What warning?
> 2. apic timer clockevent will be more accurate instead of use PM to calibrate it.
> on Intel newer system with 128 logical cpus or more.
Is that a problem?
> guess SMI handler for USB legacy support may need more time coordinate between those cpus.
Are you sure?
And again, please post this in your messages, otherwise we are just
guessing, and if we have to guess, we will error on the "ignore the
patch" side.
You need to sell us on why we should accept these patches, so far, I see
no real reason at all for them.
good luck,
greg k-h
next prev parent reply other threads:[~2011-01-11 3:39 UTC|newest]
Thread overview: 57+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-01-09 19:58 [PATCH 0/3] x86, usb, pci: Disable usb legacy support early Yinghai Lu
2011-01-10 8:43 ` [PATCH -v2 0/4] " Yinghai Lu
2011-01-11 0:49 ` [PATCH -v3 " Yinghai Lu
2011-01-11 0:55 ` [PATCH -v3 1/4] pci, usb: Make usb handoff func all take base remapping Yinghai Lu
2011-01-11 1:07 ` Greg KH
2011-01-11 1:20 ` Yinghai Lu
2011-01-11 3:37 ` Greg KH
2011-01-11 5:21 ` Benjamin Herrenschmidt
2011-01-11 6:34 ` Yinghai Lu
2011-01-11 7:37 ` Benjamin Herrenschmidt
2011-01-11 9:21 ` Yinghai Lu
2011-01-11 13:56 ` Greg KH
2011-01-11 17:39 ` Konrad Rzeszutek Wilk
2011-01-12 1:06 ` [RFC PATCH] x86: Add safe_udelay() and safe_msleep() Yinghai Lu
2011-01-12 2:32 ` Benjamin Herrenschmidt
2011-01-12 5:07 ` Greg KH
2011-01-13 22:21 ` Yinghai Lu
2011-01-13 22:44 ` Greg KH
2011-01-13 22:52 ` Thomas Gleixner
2011-01-13 23:02 ` Greg KH
2011-01-13 23:04 ` Yinghai Lu
2011-01-13 23:31 ` Thomas Gleixner
2011-01-14 22:42 ` Yinghai Lu
2011-01-13 23:48 ` Greg KH
2011-01-14 0:31 ` Yinghai Lu
2011-01-14 0:40 ` Benjamin Herrenschmidt
2011-01-14 1:00 ` Yinghai Lu
2011-01-14 14:46 ` Christoph Lameter
2011-01-14 0:44 ` Greg KH
2011-01-14 1:12 ` Yinghai Lu
2011-01-14 14:50 ` Christoph Lameter
2011-01-14 21:22 ` [PATCH] x86: set percpu cpu0 lpj to default Yinghai Lu
2011-01-14 21:28 ` Christoph Lameter
2011-01-15 13:09 ` Tejun Heo
2011-01-16 2:32 ` Yinghai Lu
2011-01-14 22:16 ` Greg KH
2011-01-14 22:29 ` Yinghai Lu
2011-01-11 5:18 ` [PATCH -v3 1/4] pci, usb: Make usb handoff func all take base remapping Benjamin Herrenschmidt
2011-01-11 0:55 ` [PATCH 2/4] x86: early_quirk check all dev/func in domain 0 Yinghai Lu
2011-01-11 1:09 ` Greg KH
2011-01-11 1:46 ` Yinghai Lu
2011-01-11 3:38 ` Greg KH
2011-01-11 3:39 ` Greg KH
2011-01-11 0:55 ` [PATCH 3/4] x86, pci: add dummy pci device for early stage Yinghai Lu
2011-01-11 0:55 ` [PATCH -v3 4/4] x86: usb handoff in early_quirk Yinghai Lu
2011-01-11 1:08 ` Greg KH
2011-01-11 1:41 ` Yinghai Lu
2011-01-11 1:07 ` [PATCH -v3 0/4] x86, usb, pci: Disable usb legacy support early Greg KH
2011-01-11 1:25 ` Yinghai Lu
2011-01-11 3:35 ` Greg KH [this message]
[not found] ` <4D2AC584.6010004@kernel.org>
2011-01-10 8:43 ` [PATCH -v2 1/4] pci, usb: Seperate usb handoff func to another file Yinghai Lu
2011-01-10 8:44 ` [PATCH 2/4] x86: early_quirk check all dev/func in domain 0 Yinghai Lu
2011-01-10 8:44 ` [PATCH 3/4] x86, pci: add dummy pci device for early stage Yinghai Lu
2011-01-10 8:44 ` [PATCH v2 4/4] x86: usb handoff in early_quirk Yinghai Lu
2011-01-10 15:57 ` [PATCH 0/3] x86, usb, pci: Disable usb legacy support early Greg KH
2011-01-10 18:27 ` Jesse Barnes
2011-01-10 20:10 ` Yinghai Lu
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