On Sat, 2009-06-06 at 09:51 +0800, Len Brown wrote: > We've promised to delete /proc/acpi instead of enhance it, > so i'd rather see a patch that ignores errors from procfs > and registers the driver even when procfs fails. The issue can also be fixed by deleting the ACPI processor proc I/F. I will send a patch that depreciated the ACPI processor proc I/F. When the CONFIG_ACPI_PROCFS is unset in kernel configuration, the processor proc I/F won't be created. thanks. > thanks, > Len Brown, Intel Open Source Technology Center > > On Sun, 31 May 2009, yakui_zhao wrote: > > > From: Zhao Yakui <yakui.zhao@xxxxxxxxx > > > > On some boxes several processors use the same processor bus id. > > But they are located in different scope. For example: > > \_SB.SCK0.CPU0 > > \_SB.SCK1.CPU0 > > As they use the same bus id, it can't be registered when > > registering proc I/F. It causes that the ACPI processor driver can't > > be bound with the processor device. > > > > Rename the processor device bus id. And the new bus id will be > > generated as the following format: > > CPU+ CPU ID > > > > For example: If the cpu ID is 5, then the bus ID will be "CPU5". > > If the CPU ID is 10, then the bus ID will be "CPUA". > > > > Signed-off-by: Zhao Yakui <yakui.zhao@xxxxxxxxx> > > --- > > drivers/acpi/processor_core.c | 11 ++++++++++- > > 1 file changed, 10 insertions(+), 1 deletion(-) > > > > Index: linux-2.6/drivers/acpi/processor_core.c > > =================================================================== > > --- linux-2.6.orig/drivers/acpi/processor_core.c 2009-05-27 08:38:44.000000000 +0800 > > +++ linux-2.6/drivers/acpi/processor_core.c 2009-05-31 10:21:21.000000000 +0800 > > @@ -649,7 +649,16 @@ > > return -ENODEV; > > } > > } > > - > > + /* > > + * On some boxes several processors use the same processor bus id. > > + * But they are located in different scope. For example: > > + * \_SB.SCK0.CPU0 > > + * \_SB.SCK1.CPU0 > > + * Rename the processor device bus id. And the new bus id will be > > + * generated as the following format: > > + * CPU+CPU ID. > > + */ > > + sprintf(acpi_device_bid(device), "CPU%X", pr->id); > > ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Processor [%d:%d]\n", pr->id, > > pr->acpi_id)); > > > > > > > > -- > > 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
