RE: mmiowb() vs wmb() with write combined MMIO

2018-03-13 Thread Elior, Ariel
> has uncovered an issue in qede NIC driver [/drivers/net/ethernet/qlogic/qede] > and > this driver is seriously broken for basic L2. That's a bit extreme. There is a race condition bug that needs fixing. > Before the series from John, driver was running fine, probably with hiding a > serious >

mmiowb() vs wmb() with write combined MMIO

2018-03-12 Thread Chopra, Manish
Hello Folks, A series from John fastabend [for lockless qdisc support, specifically commit c5ad119fb6c09b0297446be05bd66602fa564758] has uncovered an issue in qede NIC driver [/drivers/net/ethernet/qlogic/qede] and this driver is seriously broken for basic L2. Before the series from John,