"Nicholas Piggin" writes:
> On Tue Nov 29, 2022 at 4:26 AM AEST, Nathan Lynch wrote:
>> "Nicholas Piggin" writes:
>> > On Sat Nov 19, 2022 at 1:07 AM AEST, Nathan Lynch wrote:
>> >> rtas_os_term() is called during panic. Its behavior depends on a
>> >> couple of conditions in the /rtas node of
On Tue Nov 29, 2022 at 4:26 AM AEST, Nathan Lynch wrote:
> "Nicholas Piggin" writes:
> > On Sat Nov 19, 2022 at 1:07 AM AEST, Nathan Lynch wrote:
> >> rtas_os_term() is called during panic. Its behavior depends on a
> >> couple of conditions in the /rtas node of the device tree, the
> >>
"Nicholas Piggin" writes:
> On Sat Nov 19, 2022 at 1:07 AM AEST, Nathan Lynch wrote:
>> rtas_os_term() is called during panic. Its behavior depends on a
>> couple of conditions in the /rtas node of the device tree, the
>> traversal of which entails locking and local IRQ state changes. If the
>>
Andrew Donnellan writes:
>> diff --git a/arch/powerpc/kernel/rtas.c b/arch/powerpc/kernel/rtas.c
>> index c12dd5ed5e00..81e4996012b7 100644
>> --- a/arch/powerpc/kernel/rtas.c
>> +++ b/arch/powerpc/kernel/rtas.c
>> @@ -947,6 +947,8 @@ void __noreturn rtas_halt(void)
>>
>> /* Must be in the RMO
On Sat Nov 19, 2022 at 1:07 AM AEST, Nathan Lynch wrote:
> rtas_os_term() is called during panic. Its behavior depends on a
> couple of conditions in the /rtas node of the device tree, the
> traversal of which entails locking and local IRQ state changes. If the
> kernel panics while devtree_lock
On Fri, 2022-11-18 at 09:07 -0600, Nathan Lynch wrote:
> rtas_os_term() is called during panic. Its behavior depends on a
> couple of conditions in the /rtas node of the device tree, the
> traversal of which entails locking and local IRQ state changes. If
> the
> kernel panics while devtree_lock
rtas_os_term() is called during panic. Its behavior depends on a
couple of conditions in the /rtas node of the device tree, the
traversal of which entails locking and local IRQ state changes. If the
kernel panics while devtree_lock is held, rtas_os_term() as currently
written could hang.
Instead
