linux-kernel - Re: [PATCH 5/30] ACPI / hotplug / PCI: Unified notify handler for hotplug events

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Message-ID: <1752714.boAZzg4FTs@vostro.rjw.lan>
Date:	Thu, 18 Jul 2013 20:59:25 +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 5/30] ACPI / hotplug / PCI: Unified notify handler for hotplug events

On Wednesday, July 17, 2013 07:07:02 PM Yinghai Lu wrote:
> On Wed, Jul 17, 2013 at 4:18 PM, Rafael J. Wysocki <rjw@...k.pl> wrote:
> > From: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
> >
> > Using the hotplug context objects introduced previously rework the
> > ACPI-based PCI hotplug (ACPIPHP) core code so that all notifications
> > for ACPI device objects corresponding to the hotplug PCI devices are
> > handled by one function, handle_hotplug_event(), which recognizes
> > whether it has to handle a bridge or a function.
> >
> > In addition to code size reduction it allows some ugly pieces of code
> > where notify handlers have to be uninstalled and installed again to
> > go away.  Moreover, it fixes a theoretically possible race between
> > handle_hotplug_event() and free_bridge() tearing down data structures
> > for the same handle.
> >
> > Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
> > ---
> >  drivers/pci/hotplug/acpiphp.h      |    1
> >  drivers/pci/hotplug/acpiphp_glue.c |  132 ++++++++++++++-----------------------
> >  2 files changed, 53 insertions(+), 80 deletions(-)
> 
> Can you put this patches in one temp branch ?

They are in linux-pm.git/bleeding-edge.

> 
> Like to check final bits.

Sure.

Thanks,
Rafael


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