* Petr Mladek <[email protected]> wrote:
> can_probe() checks if the given address points to the
> beginning of an instruction. It analyzes all the
> instructions from the beginning of the function until the
> given address. The code might be modified by another
> Kprobe. In this case, the current code is read into a
> buffer, int3 breakpoint is replaced by the saved opcode
> in the buffer, and can_probe() analyzes the buffer
> instead.
>
> [...]
Had to drop this patch due to build failures on 32-bit x86:
arch/x86/kernel/kprobes/core.c:258:40: error: ‘MCOUNT_INSN_SIZE’ undeclared
(first use in this function)
Thanks,
Ingo
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