Messages in this thread | | | Subject | Re: ftrace introduces instability into kernel 2.6.27(-rc2,-rc3) | From | Benjamin Herrenschmidt <> | Date | Wed, 20 Aug 2008 07:47:51 +1000 |
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> > Ok, there are two cases where it's ok : > > 1 - in stop_machine, considering we are not touching code executed in > NMI handlers. > 2 - when using my replace_instruction_safe() which uses a temporary > breakpoint when doing the instruction replacement. > > In those cases you could use text_poke_early().
Note that vmap/vunmap will be very slow.
Ben.
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