Re: [PATCH 0/3] misc: xilinx-sdfec: convert get_user_pages() --> pin_user_pages()

[John Hubbard <jhubbard@nvidia.com>]

On 2020-05-29 01:29, Dragan Cvetic wrote:
> Hi John,
> 
> Thank you for the suggestion, please find my comment below:
> 
>> -----Original Message-----
>> From: John Hubbard <jhubbard@nvidia.com>
>> Sent: Wednesday 27 May 2020 02:26
>> To: LKML <linux-kernel@vger.kernel.org>
>> Cc: Souptick Joarder <jrdr.linux@gmail.com>; John Hubbard <jhubbard@nvidia.com>; Derek Kiernan <dkiernan@xilinx.com>; Dragan
>> Cvetic <draganc@xilinx.com>; Arnd Bergmann <arnd@arndb.de>; Greg Kroah-Hartman <gregkh@linuxfoundation.org>; Michal Simek
>> <michals@xilinx.com>; linux-arm-kernel@lists.infradead.org
>> Subject: [PATCH 0/3] misc: xilinx-sdfec: convert get_user_pages() --> pin_user_pages()
>>
>> Hi,
>>
>> There are also a couple of tiny cleanup patches, just to fix up a few
>> minor issues that I spotted while converting from get_user_pages_fast()
>> to pin_user_pages_fast().
>>
>> Note that I have only compile-tested these patches, although that does
>> also include cross-compiling for a few other arches. Any run-time
>> testing would be greatly appreciated!
>>
>> Cc: Derek Kiernan <derek.kiernan@xilinx.com>
>> Cc: Dragan Cvetic <dragan.cvetic@xilinx.com>
>> Cc: Arnd Bergmann <arnd@arndb.de>
>> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
>> Cc: Michal Simek <michal.simek@xilinx.com>
>> Cc: linux-arm-kernel@lists.infradead.org
>>
>> John Hubbard (3):
>>    misc: xilinx-sdfec: improve get_user_pages_fast() error handling
>>    misc: xilinx-sdfec: cleanup return value in xsdfec_table_write()
>>    misc: xilinx-sdfec: convert get_user_pages() --> pin_user_pages()
> 
> 
> Reviewed-by:
> 	Technically there is no problem in this patch, but as you said this should be tested.
> 	Currently due to Covid-19 I'm not able to access the HW and I cannot validate this suggestion.
> 

Hi Dragan,

Thanks for the review, and for *wanting* to do the testing, even though you
can't right now. :)

thanks,
-- 
John Hubbard
NVIDIA

>>
>>   drivers/misc/xilinx_sdfec.c | 30 +++++++++++++++++-------------
>>   1 file changed, 17 insertions(+), 13 deletions(-)
>>
>>
>> base-commit: 9cb1fd0efd195590b828b9b865421ad345a4a145
>> --
>> 2.26.2
> 

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