RE: [patch] Kprobes ia64 qp fix

From: Lynch, Rusty <>
Date: 2005-05-27 04:23:44
>>>>>> On Thu, 26 May 2005 10:51:45 -0700, Rusty Lynch
><> said:
>  Rusty> The following patch is for the 2.6.12-rc5-mm1 + my previous
>  Rusty> "Kprobes ia64 cleanup" patch that fixes a bug where a kprobe
>  Rusty> fires when the instruction is predicated off.  So given the
>  Rusty> and we have an instruction like:
>  Rusty> (p6) move loc1=0
>  Rusty> we should not be triggering the kprobe.  This is handled by
>  Rusty> carrying over the qp section of the original instruction into
>  Rusty> the break instruction.
>What about:
>	(p6) cmp.eq.unc p9,p10=rX,rY
>would the code handle that right?  Similary, you may want to check for
>the correct handling of instructions that cannot be predicated (such
>as "cover").
>	--david

Thanks, I need to look into this one.  Let me update my test to cover
both of these cases and then take another look at our logic.

To unsubscribe from this list: send the line "unsubscribe linux-ia64" in
the body of a message to
More majordomo info at
Received on Thu May 26 14:25:00 2005

This archive was generated by hypermail 2.1.8 : 2005-08-02 09:20:39 EST