[PATCH v2 1/2] kprobes: Allow architectures to override optinsn page allocation

Naveen N. Rao naveen.n.rao at linux.ibm.com
Thu May 20 19:18:12 AEST 2021


Christophe Leroy wrote:
> Some architectures like powerpc require a non standard
> allocation of optinsn page, because module pages are
> too far from the kernel for direct branches.
> 
> Define weak alloc_optinsn_page() and free_optinsn_page(), that
> fall back on alloc_insn_page() and free_insn_page() when not
> overriden by the architecture.
  ^^^^^^^^^
  overridden - courtesy of checkpatch.

> 
> Suggested-by: Masami Hiramatsu <mhiramat at kernel.org>
> Signed-off-by: Christophe Leroy <christophe.leroy at csgroup.eu>
> Acked-by: Masami Hiramatsu <mhiramat at kernel.org>
> ---
> v2: Added missing prototypes in linux/kprobes.h
> ---
>  include/linux/kprobes.h |  3 +++
>  kernel/kprobes.c        | 14 ++++++++++++--
>  2 files changed, 15 insertions(+), 2 deletions(-)

LGTM. For the series:
Reviewed-by: Naveen N. Rao <naveen.n.rao at linux.vnet.ibm.com>


- Naveen


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