[PATCH v4] kprobes: arm: enable OPTPROBES for ARM 32

Masami Hiramatsu masami.hiramatsu.pt at hitachi.com
Fri Aug 15 08:23:39 PDT 2014


(2014/08/12 13:56), Wang Nan wrote:
> +/* Caller must ensure addr & 3 == 0 */
> +static int can_optimize(unsigned long paddr)
> +{
> +	return 1;
> +}

As we have talked on another thread, we'd better filter-out all stack-pushing
instructions here, since (as you said) that will corrupt pt_regs on the stack.

Thank you,

-- 
Masami HIRAMATSU
Software Platform Research Dept. Linux Technology Research Center
Hitachi, Ltd., Yokohama Research Laboratory
E-mail: masami.hiramatsu.pt at hitachi.com





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