Re: [PATCH] rdma/qib: Remove deprecated kmap() call

[Dennis Dalessandro]

On 3/7/23 12:15 PM, Ira Weiny wrote:
> kmap() has been deprecated in favor of the kmap_local_page() call.
> kmap_local_page() is thread local.
> 
> In the sdma coalesce case the page allocated is potentially free'ed in a
> different context through qib_sdma_get_complete() ->
> qib_user_sdma_make_progress().  The use of kmap_local_page() is
> inappropriate in this call path.  However, the page is allocated using
> GFP_KERNEL and will never be from highmem.
> 
> Remove the use of kmap calls and use page_address() in this case.
> 
> Signed-off-by: Ira Weiny <ira.weiny@xxxxxxxxx>

Acked-by: Dennis Dalessandro <dennis.dalessandro@xxxxxxxxxxxxxxxxxxxx>