cc Alex Chiang. On Tue, 2010-10-26 at 10:06 +0800, Zhang Rui wrote: > ACPI table sysfs I/F is broken by commit > > 78f1699659963fff97975df44db6d5dbe7218e55 > Author: Alex Chiang <achiang@xxxxxx> > Date: Sun Dec 20 12:19:09 2009 -0700 > ACPI: processor: call _PDC early > > because dynamic SSDT tables may be loaded in _PDC, > before installing the ACPI table handler. > As a result, the sysfs I/F of these dynamic tables are > located at /sys/firmware/acpi/tables instead of > /sys/firmware/acpi/tables/dynamic, which is not true. > > Invoke acpi_sysfs_init() before acpi_early_processor_set_pdc(), > so that the table handler is installed before any dynamic tables loaded. > > https://bugzilla.kernel.org/show_bug.cgi?id=21142 > > CC: Dennis Jansen <dennis.jansen@xxxxxx> > CC: Alex Chiang <achiang@xxxxxx> > Signed-off-by: Zhang Rui <rui.zhang@xxxxxxxxx> > --- > drivers/acpi/bus.c | 7 ++++++- > 1 file changed, 6 insertions(+), 1 deletion(-) > > Index: linux-2.6/drivers/acpi/bus.c > =================================================================== > --- linux-2.6.orig/drivers/acpi/bus.c > +++ linux-2.6/drivers/acpi/bus.c > @@ -935,6 +935,12 @@ static int __init acpi_bus_init(void) > goto error1; > } > > + /* > + * _PDC control method may load dynamic SSDT tables, > + * and we need to install the table handler before that. > + */ > + acpi_sysfs_init(); > + > acpi_early_processor_set_pdc(); > > /* > @@ -1026,7 +1032,6 @@ static int __init acpi_init(void) > acpi_scan_init(); > acpi_ec_init(); > acpi_power_init(); > - acpi_sysfs_init(); > acpi_debugfs_init(); > acpi_sleep_proc_init(); > acpi_wakeup_device_init(); > > > -- > 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 -- 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
