Re: [PATCH] powerpc: Fix lazy preemption for powerpc 32bit

[Sebastian Andrzej Siewior]

On 2020-03-18 21:26:40 [+0100], Thomas Graziadei wrote:
> From: Thomas Graziadei <thomas.graziadei@xxxxxxxxxxxxxxxxx>
> 
> The 32bit powerpc assembler implementation of the lazy preemption
> set the _TIF_PERSYSCALL_MASK on the low word. This could lead to
> modprobe segfaults and a kernel panic - not syncing: Attempt to
> kill init! issue.
> 
> Fixed by shifting the mask by 16 bit using andis and lis.

bah. Thank you for catching this.
Still e500 based powerpc I assume?

> Signed-off-by: Thomas Graziadei <thomas.graziadei@xxxxxxxxxxxxxxxxx>

Sebastian