Re: Will smp alternative try to patch init text also?

[Gerd Hoffmann]

Vivek Goyal wrote:
> So what happens if somebody builds a SMP kernel and runs on a UP machine.
> Later it hotplus one CPU. Then kernel will switch to SMP mode. Looking
> at the code it looks like it will also try to patch init text which is
> no more there and will corrupt something else? 

There are range checks for both kernel (_text -> _etext) and modules
(.text section).  Anything outside isn't patched.

cheers,
  Gerd

-- 
Gerd Hoffmann <kraxel@xxxxxxx>
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