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

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Message-ID: <CAE9FiQU99a=BeHCrt0FWSeNs8NORg85C4uwQyY7Ky+-nqaSfxg@mail.gmail.com>
Date:	Wed, 17 Jul 2013 19:07:02 -0700
From:	Yinghai Lu <yinghai@...nel.org>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
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 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 ?

Like to check final bits.

Thanks

Yinghai
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