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Date: Tue, 09 Sep 2008 04:00:02 -0600
From: Alex Chiang <achiang@...com>
To: linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH v2 00/13] PCI: let the core manage slot names
Hi Jesse,
This is v2 of the series that implements a series of changes
that allows the PCI core to manage slot names, rather than
individual hotplug drivers.
It addresses comments raised during the first round of review,
most notably the bug that Kenji-san found of possible false name
collisions.
This series applies against linux-next.
I'm including the previous explanation/justification to remind
folks of the raison d'etre for this patchset.
Thanks.
/ac
There are several benefits to this approach:
1) The core can prevent duplicate slot names on systems
with broken firmware.
2) Since the kobject core keeps a copy of the slot name,
there is no need for each driver to manage a separate
copy, especially since the core can rename slots from
underneath drivers. We save runtime memory by only
referencing the kobject name.
2.a) The PCI hotplug core doesn't need its own reference
for slot name either.
3) Individual hotplug drivers become just a little bit
simpler by pushing as many kzalloc() calls for 'name'
down into the PCI core as possible.
---
Alex Chiang (13):
PCI: Hotplug core: remove 'name'
PCI: shcphp: remove 'name' parameter
PCI: SGI Hotplug: stop managing bss_hotplug_slot->name
PCI: rpaphp: stop managing hotplug_slot->name
PCI: pciehp: remove 'name' parameter
PCI: ibmphp: stop managing hotplug_slot->name
PCI: fakephp: remove 'name' parameter
PCI: cpqphp: stop managing hotplug_slot->name
PCI: cpci_hotplug: stop managing hotplug_slot->name
PCI: acpiphp: remove 'name' parameter
PCI, PCI Hotplug: introduce slot_name helpers
PCI: prevent duplicate slot names
PCI Hotplug core: add 'name' param pci_hp_register interface
drivers/pci/hotplug/acpiphp.h | 9 +-
drivers/pci/hotplug/acpiphp_core.c | 32 +++++---
drivers/pci/hotplug/cpci_hotplug.h | 6 ++
drivers/pci/hotplug/cpci_hotplug_core.c | 74 +++++++-------------
drivers/pci/hotplug/cpci_hotplug_pci.c | 4 +
drivers/pci/hotplug/cpqphp.h | 13 +--
drivers/pci/hotplug/cpqphp_core.c | 40 +++++------
drivers/pci/hotplug/fakephp.c | 18 +++--
drivers/pci/hotplug/ibmphp.h | 5 +
drivers/pci/hotplug/ibmphp_ebda.c | 19 ++---
drivers/pci/hotplug/pci_hotplug_core.c | 38 ++++++----
drivers/pci/hotplug/pciehp.h | 9 ++
drivers/pci/hotplug/pciehp_core.c | 40 ++++-------
drivers/pci/hotplug/pciehp_ctrl.c | 48 ++++++-------
drivers/pci/hotplug/pciehp_hpc.c | 1
drivers/pci/hotplug/rpaphp.h | 10 ++-
drivers/pci/hotplug/rpaphp_core.c | 6 +-
drivers/pci/hotplug/rpaphp_pci.c | 4 +
drivers/pci/hotplug/rpaphp_slot.c | 26 ++-----
drivers/pci/hotplug/sgi_hotplug.c | 18 ++---
drivers/pci/hotplug/shpchp.h | 9 ++
drivers/pci/hotplug/shpchp_core.c | 42 ++++-------
drivers/pci/hotplug/shpchp_ctrl.c | 48 ++++++-------
drivers/pci/slot.c | 117 ++++++++++++++++++++++++++-----
include/linux/pci.h | 8 ++
include/linux/pci_hotplug.h | 13 ++-
26 files changed, 354 insertions(+), 303 deletions(-)
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