Messages in this thread | | | From | Andi Kleen <> | Subject | Re: [patch 3/6] fault-injection capability for alloc_pages() | Date | Thu, 31 Aug 2006 12:45:40 +0200 |
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On Thursday 31 August 2006 12:35, Akinobu Mita wrote: > On Thu, Aug 31, 2006 at 12:25:02PM +0200, Andi Kleen wrote: > > > I still think this will need some better filters to be useful. At least > > a optional uid filter perhaps (make sure to handle the interrupt case > > correctly, interrupts don't belong to the uid) , and perhaps an option to only > > fail GFP_ATOMIC. > > I wrote process filter.
Oops sorry. I overlooked that.
> Please patch 6/6. But I forgot to ignore > in_interrupt() case.
Ok fine then.
> > > With arbitary failing the system will just be unusable, right? Or would > > you run some system you use this way? @) > > > > Another possibility would be to look up __builtin_return_address(0) in > > the module table and allow failing only for a specific module. > > That will be useful. Thanks.
It might unfortunately need architecture specific code. But I guess a i386 only implementation as start would be useful enough.
-Andi
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