Re: [PATCH v4] staging: rts5208: Convert kmap() to kmap_local_page()

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Wed, Mar 30, 2022 at 04:33:31PM +0200, Fabio M. De Francesco wrote:
> The use of kmap() is being deprecated in favor of kmap_local_page()
> where it is feasible.
> 
> With kmap_local_page(), the mapping is per thread, CPU local and not
> globally visible. Therefore rtsx_stor_access_xfer_buf() is a function
> where the use of kmap_local_page() in place of kmap() is correctly
> suited.
> 
> Convert to kmap_local_page() but, instead of open coding it, use the
> helpers memcpy_to_page() and memcpy_from_page().
> 
> Make a minor change to a comment related to scatter-gather.
> 
> Signed-off-by: Fabio M. De Francesco <fmdefrancesco@xxxxxxxxx>
> ---

LGTM.

Reviewed-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>

regards,
dan carpenter





[Index of Archives]     [Linux Driver Development]     [Linux Driver Backports]     [DMA Engine]     [Linux GPIO]     [Linux SPI]     [Video for Linux]     [Linux USB Devel]     [Linux Coverity]     [Linux Audio Users]     [Linux Kernel]     [Linux SCSI]     [Yosemite Backpacking]
  Powered by Linux