From mboxrd@z Thu Jan 1 00:00:00 1970 From: ira.weiny@intel.com Date: Fri, 9 Oct 2020 12:49:46 -0700 Subject: [Intel-wired-lan] [PATCH RFC PKS/PMEM 11/58] drivers/net: Utilize new kmap_thread() In-Reply-To: <20201009195033.3208459-1-ira.weiny@intel.com> References: <20201009195033.3208459-1-ira.weiny@intel.com> Message-ID: <20201009195033.3208459-12-ira.weiny@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: intel-wired-lan@osuosl.org List-ID: From: Ira Weiny 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" Cc: Jakub Kicinski Cc: Jesse Brandeburg Signed-off-by: Ira Weiny --- 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