On Tue, 2014-05-20 at 00:55 +0200, Rafael J. Wysocki wrote: > On Thursday, May 08, 2014 07:58:59 AM Toshi Kani wrote: > > During CPU online/offline testing on a large system, one of the > > processors got stuck after the message "bad: scheduling from the > > idle thread!". The problem is that acpi_cpu_soft_notify() calls > > acpi_bus_get_device() for all action types. CPU_STARTING and > > CPU_DYING do not allow the notify handlers to sleep. However, > > acpi_bus_get_device() can sleep in acpi_ut_acquire_mutex(). > > > > Change acpi_cpu_soft_notify() to return immediately for CPU_STARTING > > and CPU_DYING as they have no action in this handler. > > > > Signed-off-by: Toshi Kani <[email protected]> > > Queued up for 3.16, thanks!
Great! Thanks Rafael! -Toshi -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
