Hi Len, Can you please review this patchset? Please let me know if you have any concern/question. Thanks, -Toshi On Thu, 2012-09-06 at 17:40 -0600, Toshi Kani wrote: > This patchset updates the ACPI system-level (ex. hotplug) > notify handling with a new .sys_notify interface. It provides > the following changes: > > - Allow ACPI drivers to register their system-level (hotplug) > notify handlers to a new .sys_notify interface through their > acpi_driver table. This removes redundant ACPI namespace > walks from ACPI drivers for faster booting. The global notify > handler acpi_bus_notify() is called for all system-level ACPI > device notifications, which then calls an appropriate driver's > handler if any. ACPI drivers no longer need to register or > unregister driver's handlers to each device object in ACPI > namespace. > > - Support dynamic ACPI namespace with LoadTable & Unload opcode > without any changes in ACPI drivers. There is no need to > register / unregister handlers to ACPI device objects that are > being loaded to / unloaded from ACPI namespace. > > - Allow ACPI drivers to use a common hotplug handler when it is > implemented. It removes functional conflict between driver's > notify handler and the global notify handler acpi_bus_notify(). > acpi_bus_notify() only calls an appropriate notify handler if > any. > > Note that the changes maintain backward compatibility for ACPI > drivers. Any drivers registered their hotplug handlers through > the existing interfaces, such as acpi_install_notify_handler() > and register_acpi_bus_notifier(), will continue to work as before. > > v2: > - Protected unbound driver from unloading when calling .sys_notify. > - Changed acpi_bus_notify() to call acpi_bus_notify_list first for > maintaining the original order. > > --- > Toshi Kani (4): > ACPI: Support system notify handler via .sys_notify > ACPI: Update processor_driver to use .sys_notify > ACPI: Update acpi_memhotplug to use .sys_notify > ACPI: Update container to use .sys_notify > > --- > drivers/acpi/acpi_memhotplug.c | 93 +------------------------------------- > drivers/acpi/bus.c | 64 ++++++++++++++++++++------- > drivers/acpi/container.c | 66 +-------------------------- > drivers/acpi/processor_driver.c | 82 +++------------------------------- > drivers/acpi/scan.c | 83 ++++++++++++++++++++++++++++++++++ > include/acpi/acpi_bus.h | 6 +++ > 6 files changed, 150 insertions(+), 244 deletions(-) > -- > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ > > -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
