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net/i40e: fix global register recovery
[ upstream commit ac241c7 ] PMD configures the global register I40E_GLINT_CTL during device initialization to work around the Rx write back issue. But when a device is bound from DPDK to kernel, the global register is not recovered to the original state, it will cause kernel driver performance drop issue. This patch fixes this issue. Fixes: be6c228 ("i40e: support Rx interrupt") Fixes: 4ab8314 ("net/i40e: fix interrupt conflict with multi-driver") Signed-off-by: Beilei Xing <beilei.xing@intel.com> Acked-by: Jeff Guo <jia.guo@intel.com>
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