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Date: Thu, 21 Apr 2022 10:49:09 -0700 From: Ira Weiny <ira.weiny@...el.com> To: Alaa Mohamed <eng.alaamohamedsoliman.am@...il.com> Cc: outreachy@...ts.linux.dev, jesse.brandeburg@...el.com, anthony.l.nguyen@...el.com, davem@...emloft.net, kuba@...nel.org, pabeni@...hat.com, intel-wired-lan@...ts.osuosl.org, netdev@...r.kernel.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH v5] igb: Convert kmap() to kmap_local_page() On Wed, Apr 20, 2022 at 01:43:13AM +0200, Alaa Mohamed wrote: > kmap() is being deprecated and these usages are all local to the thread > so there is no reason kmap_local_page() can't be used. > > Replace kmap() calls with kmap_local_page(). > > Signed-off-by: Alaa Mohamed <eng.alaamohamedsoliman.am@...il.com> Reviewed-by: Ira Weiny <ira.weiny@...el.com> > --- > changes in V2: > fix kunmap_local path value to take address of the mapped page. > --- > changes in V3: > edit commit message to be clearer > --- > changes in V4: > edit the commit message > --- > changes in V5: > -edit commit subject > -edit commit message > --- > drivers/net/ethernet/intel/igb/igb_ethtool.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/drivers/net/ethernet/intel/igb/igb_ethtool.c b/drivers/net/ethernet/intel/igb/igb_ethtool.c > index 2a5782063f4c..c14fc871dd41 100644 > --- a/drivers/net/ethernet/intel/igb/igb_ethtool.c > +++ b/drivers/net/ethernet/intel/igb/igb_ethtool.c > @@ -1798,14 +1798,14 @@ static int igb_check_lbtest_frame(struct igb_rx_buffer *rx_buffer, > > frame_size >>= 1; > > - data = kmap(rx_buffer->page); > + data = kmap_local_page(rx_buffer->page); > > if (data[3] != 0xFF || > data[frame_size + 10] != 0xBE || > data[frame_size + 12] != 0xAF) > match = false; > > - kunmap(rx_buffer->page); > + kunmap_local(data); > > return match; > } > -- > 2.35.2 >
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