linux-kernel - Re: [RFC Patch 00/19] Improve ACPI resource parsing interfaces and data structures

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Message-ID: <54BD13F8.2040105@linux.intel.com>
Date:	Mon, 19 Jan 2015 22:26:00 +0800
From:	Jiang Liu <jiang.liu@...ux.intel.com>
To:	"Rafael J. Wysocki" <rjw@...ysocki.net>
CC:	Thomas Gleixner <tglx@...utronix.de>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	Yinghai Lu <yinghai@...nel.org>,
	Borislav Petkov <bp@...en8.de>,
	Tony Luck <tony.luck@...el.com>, x86@...nel.org,
	linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org,
	linux-acpi@...r.kernel.org
Subject: Re: [RFC Patch 00/19] Improve ACPI resource parsing interfaces and
 data structures

On 2015/1/12 6:38, Rafael J. Wysocki wrote:
> On Thursday, January 08, 2015 10:32:47 AM Jiang Liu wrote:
>> During enabling ACPI based IOAPIC hotplug, Thomas noticed some issues
>> in ACPI resource parsing interfaces. So this is an effort to improve them.
>>
>> Patch 1-12 improve ACPI resource parsing interfaces and also fixes some
>> bugs.
>>
>> Patch 13-19 try to share the common data structure resource_list_entry
>> between PCI and ACPI. It may also be shared with PNP too.
> 
> I've looked at the patches briefly.
> 
> I like the changes at the general level, but there are some things I'm
> potentially concerned about in them.  Need more time to look at them,
> I'll do my best to do that this week while at the conference.
Hi Rafael,
	Thanks for your time. Any comments about this series?
Regards,
Gerry

> 
>> The patchset is based on v3.19-rc3 and you may get it from:
>> https://github.com/jiangliu/linux.git acpires_v1
>>
>> Jiang Liu (11):
>>   ACPI: Fix a bug in parsing ACPI Memroy24 resource
>>   ACPI: Normalize return value of resource parser functions
>>   ACPI: Set flag IORESOURCE_UNSET for unassigned resources
>>   ACPI: Enforce stricter checks for address space descriptors
>>   ACPI: Return translation offset when parsing ACPI address space
>>     resources
>>   ACPI: Translate resource into master side address for bridge window
>>     resources
>>   ACPI: Add field offset to struct resource_list_entry
>>   ACPI: Introduce helper function acpi_dev_filter_resource_type()
>>   resources: Move struct resource_list_entry from ACPI into resource
>>     core
>>   PCI: Use common resource list management code instead of private
>>     implementation
>>   x86/PCI/ACPI: Use common ACPI resource interfaces to simplify
>>     implementation
>>
>> Thomas Gleixner (8):
>>   ACPI: Remove redundant check in function
>>     acpi_dev_resource_address_space()
>>   ACPI: Implement proper length checks for mem resources
>>   ACPI: Use the length check for io resources as well
>>   ACPI: Let the parser return false for disabled resources
>>   ACPI: Provide union for address_space64 and ext_address_space64
>>   ACPI: Unify the parsing of address_space and ext_address_space
>>   ACPI: Move the window flag logic to the combined parser
>>   ACPI: Add prefetch decoding to the address space parser
>>
>>  arch/arm/kernel/bios32.c            |    5 +-
>>  arch/x86/pci/acpi.c                 |  297 ++++++++++---------------------
>>  arch/x86/pci/bus_numa.c             |    4 +-
>>  drivers/acpi/acpi_lpss.c            |    6 +-
>>  drivers/acpi/acpi_platform.c        |    2 +-
>>  drivers/acpi/resource.c             |  333 ++++++++++++++++++++++-------------
>>  drivers/dma/acpi-dma.c              |    8 +-
>>  drivers/pci/bus.c                   |   18 +-
>>  drivers/pci/host-bridge.c           |    8 +-
>>  drivers/pci/host/pci-host-generic.c |    4 +-
>>  drivers/pci/host/pci-xgene.c        |    4 +-
>>  drivers/pci/host/pcie-xilinx.c      |    4 +-
>>  drivers/pci/probe.c                 |   10 +-
>>  drivers/pnp/pnpacpi/rsparser.c      |    4 +-
>>  include/acpi/acrestyp.h             |   49 ++++--
>>  include/linux/acpi.h                |   12 +-
>>  include/linux/ioport.h              |   25 +++
>>  include/linux/pci.h                 |    8 +-
>>  kernel/resource.c                   |   48 +++++
>>  19 files changed, 452 insertions(+), 397 deletions(-)
>>
>>
> 
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