Re: [PATCH][2.4/2.6] Quiesce after changing ACPI idle thread
From: Len Brown (len.brown_at_intel.com)
Date: 07/30/04
- Previous message: hv: "tty's problem"
- In reply to: Zwane Mwaikambo: "[PATCH][2.4/2.6] Quiesce after changing ACPI idle thread"
- Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]
To: Zwane Mwaikambo <zwane@fsmlabs.com> Date: 29 Jul 2004 23:38:07 -0400
applied to 2.6.
thanks Zwane.
-Len
On Thu, 2004-07-22 at 11:30, Zwane Mwaikambo wrote:
> (Please apply this patch instead of the previously posted one).
>
> This patch addresses the following bugzilla bug;
>
> http://bugzilla.kernel.org/show_bug.cgi?id=1716
>
> When unloading the processor module we modify the currently used idle
> thread (pm_idle), this causes an oops due to the idle thread text
> being
> unloaded. This should apply to both 2.6 and 2.4.
>
> Signed-off-by: Zwane Mwaikambo <zwane@fsmlabs.com>
>
> Index: linux-2.6.8-rc1-mm1/drivers/acpi/processor.c
> ===================================================================
> RCS file: /home/cvsroot/linux-2.6.8-rc1-mm1/drivers/acpi/processor.c,v
> retrieving revision 1.1.1.1
> diff -u -p -B -r1.1.1.1 processor.c
> --- linux-2.6.8-rc1-mm1/drivers/acpi/processor.c 14 Jul 2004
> 04:56:25 -0000 1.1.1.1
> +++ linux-2.6.8-rc1-mm1/drivers/acpi/processor.c 20 Jul 2004
> 15:31:46 -0000
> @@ -2372,8 +2372,10 @@ acpi_processor_remove (
> pr = (struct acpi_processor *) acpi_driver_data(device);
>
> /* Unregister the idle handler when processor #0 is removed.
> */
> - if (pr->id == 0)
> + if (pr->id == 0) {
> pm_idle = pm_idle_save;
> + synchronize_kernel();
> + }
>
> status = acpi_remove_notify_handler(pr->handle,
> ACPI_DEVICE_NOTIFY,
> acpi_processor_notify);
>
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
- Previous message: hv: "tty's problem"
- In reply to: Zwane Mwaikambo: "[PATCH][2.4/2.6] Quiesce after changing ACPI idle thread"
- Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]
Relevant Pages
|
|
