Messages in this thread | | | Date | Wed, 16 Nov 2011 12:12:07 +0000 | From | Ralf Baechle <> | Subject | Re: [PATCH 2/4] MIPS Kprobes: Deny probes on ll/sc instructions |
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On Tue, Nov 08, 2011 at 03:26:42PM -0800, Victor Kamensky wrote:
> > s/insturctions/instructions/ > > > > Not only is it a bad idea, it will probably make them fail 100% of the time. > > > > It is also an equally bad idea to place a probe between any LL and SC > > instructions. How do you prevent that? > > As per below code comment we don't prevent that. There is no way to do > that.
Similar to the way that the addresses of loads and stores from userspace are recorded in a special section we could build a list of forbidden address range.
Is it worth it?
Ralf
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