Re: [PATCH 1/2] igc: don't rd/wr iomem when PCI is removed

From: Aaron Ma
Date: Tue Jul 06 2021 - 02:42:19 EST


On 7/5/21 3:47 PM, Dave Airlie wrote:
Drive-by, but won't this add a lot of overhead on every register
access? has this been benchmarked with lots of small network transfers
or anything?


iperf3 is tested, the result is the same as before.
Due to the registers are rd/wr even after error_handler and remove.
Didn't find better fix.
Please let me know if you have any idea.

Thanks,
Aaron

Dave.