Messages in this thread | | | From | David Mosberger <> | Date | Thu, 26 May 2005 11:18:09 -0700 | Subject | Re: [patch] Kprobes ia64 qp fix |
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>>>>> On Thu, 26 May 2005 10:51:45 -0700, Rusty Lynch <rusty.lynch@intel.com> 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 still Rusty> fires when the instruction is predicated off. So given the p6=0, 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").
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