Re: [PATCH v2 0/3] ppc32/kprobe: Fix a bug for kprobe stwu r1

["tiejun.chen" <tiejun.chen@windriver.com>]

Tiejun Chen wrote:
> Changes from V1:
> 
> * use memcpy simply to withdraw copy_exc_stack
> * add !(regs->msr & MSR_PR)) and
> 	WARN_ON(test_thread_flag(TIF_EMULATE_STACK_STORE));
>   to make sure we're in goot path.
> * move this migration process inside 'restore'
> * clear TIF flag atomically 

Ben,

Is this series OK?

Thanks
Tiejun

> 
> Tiejun Chen (3):
>       powerpc/kprobe: introduce a new thread flag
>       ppc32/kprobe: complete kprobe and migrate exception frame
>       ppc32/kprobe: don't emulate store when kprobe stwu r1
> 
>  arch/powerpc/include/asm/thread_info.h |    3 ++
>  arch/powerpc/kernel/entry_32.S         |   35 ++++++++++++++++++++++++++++++++
>  arch/powerpc/lib/sstep.c               |   25 +++++++++++++++++++++-
>  3 files changed, 61 insertions(+), 2 deletions(-)
> 
> Tiejun