Re: [PATCH 8/8] KVM: PPC: Add hugepage support for IOMMU in-kernelhandling

[Benjamin Herrenschmidt]

On Wed, 2013-07-10 at 12:33 +0200, Alexander Graf wrote:
> 
> It's not exactly obvious that you're calling it with writing == 1 :).
> Can you create a new local variable "is_write" in the calling
> function, set that to 1 before the call to get_user_pages_fast and
> pass it in instead of the 1? The compiler should easily optimize all
> of that away, but it makes the code by far easier to read.

Ugh ?

Nobody else does that .... (look at futex :-)

Ben.


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