[PATCH v7 2/7] arm64: introduce interfaces to hotpatch kernel and module code

[Will Deacon]

On Sun, Dec 22, 2013 at 03:25:38PM +0000, Jiang Liu wrote:
> Introduce three interfaces to patch kernel and module code:
> aarch64_insn_patch_text_nosync():
> 	patch code without synchronization, it's caller's responsibility
> 	to synchronize all CPUs if needed.
> aarch64_insn_patch_text_sync():
> 	patch code and always synchronize with stop_machine()
> aarch64_insn_patch_text():
> 	patch code and synchronize with stop_machine() if needed
> 
> Signed-off-by: Jiang Liu <liuj97 at gmail.com>
> ---
>  arch/arm64/include/asm/insn.h |  10 +++-
>  arch/arm64/kernel/insn.c      | 119 ++++++++++++++++++++++++++++++++++++++++++
>  2 files changed, 128 insertions(+), 1 deletion(-)

  Reviewed-by: Will Deacon <will.deacon at arm.com>

Thanks!

Will