Hi Aaron, "Brown, Aaron F" <aaron.f.br...@intel.com> writes:
>> From: netdev-ow...@vger.kernel.org <netdev-ow...@vger.kernel.org> On >> Behalf Of Punit Agrawal >> Sent: Thursday, May 14, 2020 9:31 PM >> To: Kirsher, Jeffrey T <jeffrey.t.kirs...@intel.com> >> Cc: daniel.sangor...@toshiba.co.jp; Punit Agrawal >> <punit1.agra...@toshiba.co.jp>; Alexander Duyck >> <alexander.h.du...@linux.intel.com>; David S. Miller <da...@davemloft.net>; >> intel-wired-...@lists.osuosl.org; netdev@vger.kernel.org; linux- >> ker...@vger.kernel.org >> Subject: [PATCH] e1000e: Relax condition to trigger reset for ME workaround >> >> It's an error if the value of the RX/TX tail descriptor does not match >> what was written. The error condition is true regardless the duration >> of the interference from ME. But the driver only performs the reset if >> E1000_ICH_FWSM_PCIM2PCI_COUNT (2000) iterations of 50us delay have >> transpired. The extra condition can lead to inconsistency between the >> state of hardware as expected by the driver. >> >> Fix this by dropping the check for number of delay iterations. >> >> While at it, also make __ew32_prepare() static as it's not used >> anywhere else. >> >> Signed-off-by: Punit Agrawal <punit1.agra...@toshiba.co.jp> >> Reviewed-by: Alexander Duyck <alexander.h.du...@linux.intel.com> >> Cc: Jeff Kirsher <jeffrey.t.kirs...@intel.com> >> Cc: "David S. Miller" <da...@davemloft.net> >> Cc: intel-wired-...@lists.osuosl.org >> Cc: netdev@vger.kernel.org >> Cc: linux-ker...@vger.kernel.org >> --- >> Hi Jeff, >> >> If there are no further comments please consider merging the patch. >> >> Also, should it be marked for backport to stable? >> >> Thanks, >> Punit >> >> RFC[0] -> v1: >> * Dropped return value for __ew32_prepare() as it's not used >> * Made __ew32_prepare() static >> * Added tags >> >> [0] https://lkml.org/lkml/2020/5/12/20 >> >> drivers/net/ethernet/intel/e1000e/e1000.h | 1 - >> drivers/net/ethernet/intel/e1000e/netdev.c | 12 +++++------- >> 2 files changed, 5 insertions(+), 8 deletions(-) >> > Tested-by: Aaron Brown <aaron.f.br...@intel.com> Thanks for taking the patch for a spin. Jeff, let me know if you're okay to apply the tag or want me to send a new version. Thanks, Punit
