2017-01-24 13:35, Ferruh Yigit: > On 1/24/2017 7:34 AM, Jianfeng Tan wrote: > > We announced ABI changes to remove iomem and ioport mapping in > > igb_uio. But it has potential backward compatibility issue: cannot > > run old version DPDK on modified igb_uio. > > > > The purpose of this changes was to fix a bug: when DPDK app crashes, > > those devices by igb_uio are not stopped either DPDK PMD driver or > > igb_uio driver. We need to figure out new way to fix this bug. > > Hi Jianfeng, > > I believe it would be good to fix this potential defect. > > Is "remove iomem and ioport" a must for that fix? If so, I suggest > re-think about it. > > If I see correctly, dpdk1.8 and older uses igb_uio iomem files. So > backward compatibility is the possible issue for dpdk1.8 and older. > Since v1.8 two years old, I would prefer fixing defect instead of > keeping that backward compatibility. > > Jianfeng, Thomas, > > What do you think postponing this deprecation notice to next release, > instead of removing it, and discuss more? > > > And overall, if "remove iomem and ioport" is not a must for this fix, no > problem to remove deprecation notice.
I have no strong opinion here. Jianfeng, do you agree with Ferruh?
