Nick Piggin wrote:
I can't see anything yet, but I'll keep looking (and try to reproduce
if I can get TLP working).
Ah, it is probably exercising the -EFAULT path, and the code in
Andrew's tree goes into an infinite loop I think.
We can't test for a fault off the atomic copy, because that needn't
indicate an unmapped area. What we need to do is change
fault_in_pages_readable to return ret, and catch and return that
in the caller if it is an error.
My usual workstation is down ATM otherwise I would send you a patch.
Unless someone beats me to it, I'll send you one tomorrow.
Thanks,
Nick
--
SUSE Labs, Novell Inc.
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