Re: [dpdk-dev] [PATCH v4] igb_uio: allow multi-process access

2018-01-16 Thread Thomas Monjalon
16/01/2018 20:43, Ferruh Yigit: > On 1/1/2018 10:00 PM, Xiao Wang wrote: > > In some case, one device are accessed by different processes via > > different BARs, so one uio device may be opened by more than one > > process, for this case we just need to enable interrupt once, and > > pci_clear_mast

Re: [dpdk-dev] [PATCH v4] igb_uio: allow multi-process access

2018-01-16 Thread Ferruh Yigit
On 1/1/2018 10:00 PM, Xiao Wang wrote: > In some case, one device are accessed by different processes via > different BARs, so one uio device may be opened by more than one > process, for this case we just need to enable interrupt once, and > pci_clear_master only when the last process closed. > >

[dpdk-dev] [PATCH v4] igb_uio: allow multi-process access

2018-01-01 Thread Xiao Wang
In some case, one device are accessed by different processes via different BARs, so one uio device may be opened by more than one process, for this case we just need to enable interrupt once, and pci_clear_master only when the last process closed. Fixes: 5f6ff30dc507 ("igb_uio: fix interrupt enabl