Shaohua Li wrote: > hotplug notification handler and drivers' notification handler are all > running in one workqueue. Before hotplug removes an acpi device, the > device driver's notification handler is already be recorded to run just > after global notification handler. After hotplug notification handler > runs, acpica will notice a NULL notification handler and crash. This > patch runs hotplug in other workqueue and wait for all acpi notication > handlers finish. This is found in battery hotplug, but actually all > hotplug can be affected. > > Signed-off-by: Zhang Rui <rui.zhang@xxxxxxxxx> > Signed-off-by: Shaohua Li <shaohua.li@xxxxxxxxx> > --- > drivers/acpi/dock.c | 24 +++++++++++++++++++++++- > drivers/acpi/osl.c | 44 +++++++++++++++++++++++++++++++++++++++----- > include/acpi/acpiosxf.h | 3 +++ > 3 files changed, 65 insertions(+), 6 deletions(-) I don't understand the ACPI/dock specific changes but libata-acpi definitely looks much prettier this way. Holger, does everything look okay? -- tejun -- 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
