linux-kernel - Re: [PATCH 4/30] ACPI / hotplug / PCI: Hotplug context objects for bridges and functions

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Message-ID: <2397558.EsSCoq8A3j@vostro.rjw.lan>
Date:	Thu, 18 Jul 2013 22:06:16 +0200
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Yinghai Lu <yinghai@...nel.org>
Cc:	ACPI Devel Maling List <linux-acpi@...r.kernel.org>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Linux PCI <linux-pci@...r.kernel.org>,
	Jiang Liu <liuj97@...il.com>,
	Mika Westerberg <mika.westerberg@...ux.intel.com>,
	"Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>
Subject: Re: [PATCH 4/30] ACPI / hotplug / PCI: Hotplug context objects for bridges and functions

On Thursday, July 18, 2013 09:04:11 PM Rafael J. Wysocki wrote:
> On Wednesday, July 17, 2013 07:00:33 PM Yinghai Lu wrote:
> > On Wed, Jul 17, 2013 at 4:17 PM, Rafael J. Wysocki <rjw@...k.pl> wrote:
> > > From: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
> > >
> > > When either a new hotplug bridge or a new hotplug function is added
> > > by the ACPI-based PCI hotplug (ACPIPHP) code, attach a context object
> > > to its ACPI handle to store hotplug-related information in it.  To
> > > start with, put the handle's bridge and function pointers into that
> > > object.  Count references to the context objects and drop them when
> > > they are not needed any more.
> > >
> > > First of all, this makes it possible to find out if the given bridge
> > > has been registered as a function already in a much more
> > > straightforward way and acpiphp_bridge_handle_to_function() can be
> > > dropped (Yay!).
> > >
> > > This also will allow some more simplifications to be made going
> > > forward.
> > >
> > > Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
> > > ---
> > >  drivers/pci/hotplug/acpiphp.h      |   10 ++
> > >  drivers/pci/hotplug/acpiphp_glue.c |  179 ++++++++++++++++++++++++++++---------
> > >  2 files changed, 146 insertions(+), 43 deletions(-)
> > 
> > no, more lines are added.
> 
> Well, that's what 'quilt refresh --diffstat' tells me, quite consistently.
> 
> Have you actually counted them?

Now I have done that (using "grep '^+' | wc -l") and that indeed turns out ot
the right number.

What gives?

Rafael


-- 
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.
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