On Wed, Aug 08, 2018 at 04:19:10PM +0800, Yongqin Liu wrote: > Hi, All > Sorry, I am following the instructions in > Documentation/networking/netdev-FAQ.txt to send out this mail, > if I was wrong or there are more things I need to do, please let me know. > > After investigated on some failures of the android VtsKernelNetTest module test, > I found that without the change of "ipv4+ipv6: Make INET*_ESP select > CRYPTO_ECHAINIV", > the config of CRYPTO_ECHAINIV will be generated as m by default in the > .config file, > which needs more module loading process to be done. > But with the 4.9 and 4.14 kernels which have the change, > CRYPTO_ECHAINIV will be generated as y by default in the .config file. > > We could set config of CRYPTO_ECHAINIV to y explicitly to generated > the correct .config file, That would be the easiest solution here, right? Why can you not do that? > but having the change of "ipv4+ipv6: Make INET*_ESP select CRYPTO_ECHAINIV" > cherry picked into the 4.4 stable kernel looks more like the right solution. > > The commit id for that change is 32b6170ca59ccf07d0e394561e54b2cd9726038c, > it's already in 4.9 and 4.14 kernels, like here: > https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/net/?h=linux-4.9.y&id=32b6170ca59ccf07d0e394561e54b2cd9726038c Yes, because it showed up in 4.5 :) Shouldn't your device configurations for 4.4 already be long done? You had better not be working on new systems with a 4.4 kernel, otherwise you are in big trouble for many other reasons. So your configuration should already be finished so I fail to see how backporting this is really going to solve anyone's problems. thanks, greg k-h
