Re: [PATCH v1 0/5] Implement livepatch on PPC32

From: Christophe Leroy
Date: Tue Dec 14 2021 - 01:10:01 EST




Le 13/12/2021 à 20:46, Steven Rostedt a écrit :
> On Mon, 13 Dec 2021 19:33:47 +0000
> Christophe Leroy <christophe.leroy@xxxxxxxxxx> wrote:
>
>> STill the same Oops, below
>
> Unfortunately, I don't have a PPC machine (32 nor 64 bit) to help debug
> this.
>
>
>> I will look more closely tomorrow.
>
> OK, thanks.
>

The Oops was due to ftrace_caller() setting the regs argument to NULL.

After fixing that, I'm back into a situation where I get "Testing tracer
function_graph: FAILED!"

Will continue investigating.

Christophe