Re: [PATCH for-next V1 2/5] IB/core: Add ib_is_udata_cleared

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On 12/03/2015 05:44 PM, Matan Barak wrote:
> Extending core and vendor verb commands require us to check that the
> unknown part of the user's given command is all zeros.
> Adding ib_is_udata_cleared in order to do so.
> 

Why not copy the data into kernel space and run memchr_inv() on it?

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