Re: [PATCH] kprobes: correct regs->ip value in post_hander()

[Masami Hiramatsu]

Yakov Lerner wrote:
> From: "Yakov Lerner" <iler.ml@xxxxxxxxx>
> 
>  This patch corrects the value of regs->ip in post_handler(). Prior to
>  this patch, post_handler() was given address meaningless to the user in 
>  regs->ip. The expected value is address of the next instruction to be 
>  executed after kprobed instruction. This patch simply swaps the order of
>  post_handler() and resume_execution(). post_handler() now sees the 
>  corrected, expected value in regs->ip. post_handler() is now called after
>  after resume_execution(), not before.
> 
>  Only x86 platform was tested. Arm arch needs no changes.
> 
> Signed-off-by: Yakov Lerner <iler.ml@xxxxxxxxx>

Thank you, I tested this on x86-64/x86/ia64.

Acked-by: Masami Hiramatsu <mhiramat@xxxxxxxxxx>


-- 
Masami Hiramatsu

Software Engineer
Hitachi Computer Products (America) Inc.
Software Solutions Division

e-mail: mhiramat@xxxxxxxxxx


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