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

2018-03-08 Thread Stephen Hemminger
On Fri, 8 Dec 2017 17:57:33 -0800 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 proce

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

2017-12-18 Thread Wang, Xiao W
Hi, > -Original Message- > From: Stephen Hemminger [mailto:step...@networkplumber.org] > Sent: Tuesday, December 12, 2017 9:39 AM > To: Wang, Xiao W > Cc: Yigit, Ferruh ; dev@dpdk.org > Subject: Re: [dpdk-dev] [PATCH] igb_uio: allow multi-process access > > On F

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

2017-12-11 Thread Stephen Hemminger
On Fri, 8 Dec 2017 17:57:33 -0800 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 proce

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

2017-12-08 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