Re: [Update][PATCH 1/6] ACPI / scan: Start matching drivers after trying scan handlers

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Mon, 2013-11-04 at 14:30 +0100, Rafael J. Wysocki wrote:
> From: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>
> 
> ACPI scan handlers should always be attached to struct acpi_device
> objects before any ACPI drivers, but there is a window during which
> a driver may be attached to a struct acpi_device before checking if
> there is a matching scan handler.  Namely, that will happen if an
> ACPI driver module is loaded during acpi_bus_scan() right after
> the first namespace walk is complete and before the given device
> is processed by the second namespace walk.
> 
> To prevent that from happening, set the match_driver flags of
> struct acpi_device objects right before running device_attach()
> for them in acpi_bus_device_attach().
> 
> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>

Acked-by: Toshi Kani <toshi.kani@xxxxxx>

Thanks,
-Toshi

--
To unsubscribe from this list: send the line "unsubscribe linux-pci" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html




[Index of Archives]     [DMA Engine]     [Linux Coverity]     [Linux USB]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]     [Greybus]

  Powered by Linux