[Intel-wired-lan] [PATCH RFC PKS/PMEM 11/58] drivers/net: Utilize new kmap_thread()

ira.weiny at intel.com ira.weiny at intel.com
Fri Oct 9 19:49:46 UTC 2020


From: Ira Weiny <ira.weiny at intel.com>

The kmap() calls in these drivers are localized to a single thread.  To
avoid the over head of global PKRS updates use the new kmap_thread()
call.

Cc: "David S. Miller" <davem at davemloft.net>
Cc: Jakub Kicinski <kuba at kernel.org>
Cc: Jesse Brandeburg <jesse.brandeburg at intel.com>
Signed-off-by: Ira Weiny <ira.weiny at intel.com>
---
 drivers/net/ethernet/intel/igb/igb_ethtool.c     | 4 ++--
 drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/net/ethernet/intel/igb/igb_ethtool.c b/drivers/net/ethernet/intel/igb/igb_ethtool.c
index 6e8231c1ddf0..ac9189752012 100644
--- a/drivers/net/ethernet/intel/igb/igb_ethtool.c
+++ b/drivers/net/ethernet/intel/igb/igb_ethtool.c
@@ -1794,14 +1794,14 @@ static int igb_check_lbtest_frame(struct igb_rx_buffer *rx_buffer,
 
 	frame_size >>= 1;
 
-	data = kmap(rx_buffer->page);
+	data = kmap_thread(rx_buffer->page);
 
 	if (data[3] != 0xFF ||
 	    data[frame_size + 10] != 0xBE ||
 	    data[frame_size + 12] != 0xAF)
 		match = false;
 
-	kunmap(rx_buffer->page);
+	kunmap_thread(rx_buffer->page);
 
 	return match;
 }
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c
index 71ec908266a6..7d469425f8b4 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c
@@ -1963,14 +1963,14 @@ static bool ixgbe_check_lbtest_frame(struct ixgbe_rx_buffer *rx_buffer,
 
 	frame_size >>= 1;
 
-	data = kmap(rx_buffer->page) + rx_buffer->page_offset;
+	data = kmap_thread(rx_buffer->page) + rx_buffer->page_offset;
 
 	if (data[3] != 0xFF ||
 	    data[frame_size + 10] != 0xBE ||
 	    data[frame_size + 12] != 0xAF)
 		match = false;
 
-	kunmap(rx_buffer->page);
+	kunmap_thread(rx_buffer->page);
 
 	return match;
 }
-- 
2.28.0.rc0.12.gb6a658bd00c9



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