Messages in this thread | | | Subject | Re: [RFC] [PATCH] cache pollution aware __copy_from_user_ll() | From | Arjan van de Ven <> | Date | Tue, 16 Aug 2005 07:44:13 +0200 |
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On Tue, 2005-08-16 at 13:17 +0900, Hirokazu Takahashi wrote: > Hi, > > BTW, what are you going to do with the page-faults which may happen > during __copy_user_zeroing_nocache()? The current process may be blocked > in the handler for a while and get FPU registers polluted. > kernel_fpu_begin() won't help the case. This is another issue, though.
__copy_from_user_inatomic
.. that implies it won't sleep actually ;)
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