Re: [dpdk-dev] [PATCH] kni: fix build on RHEL6.5

[Thomas Monjalon <thomas.monjalon@6wind.com>]

2014-12-17 11:26, Jincheng Miao:
> On 12/16/2014 11:21 PM, Thomas Monjalon wrote:
> > 2014-12-11 13:27, Jincheng Miao:
> >> RHEL6.5 kernel is based on 2.6.32. But there are two changing
> >> from 2.6.35:
> >> 1. socket struct is changed
> >> It wrappered previous wait_queue_head_t of socket to
> >> struct socket_wq. So for the kernel older than 2.6.35, we should
> >> directly use socket->wait instead.
> >>
> >> 2. new function sk_sleep()
> >> This function is implemented from 2.6.35 to obtain wait queue
> >> from struct sock. This patch adds a macro in kni/compat.h
> >> to be compatible with older kernels.
> > I don't understand the relation between RHEL-6.5 and the kernel 2.6.35.
> > The patch seems not related to RHEL at all.
> > Please start your explanations by describing what is the problem
> > you want to solve.
> 
> Hi Thomas,
> 
> This patch is working for resolving the problem I found on RHEL6.5:
> http://dpdk.org/ml/archives/dev/2014-December/009827.html
> 
> Because the root cause is socket struct change from 2.6.35, so this
> patch also fits for all kernels older than 2.6.35.
> 
> Sorry for the ambiguous description, I think the title should be:
> "kni: more compatibility for kernel older than 2.6.35"

Applied with title "kni: fix build with kernel < 2.6.35 and vhost debug enabled"
and error log.

Thanks
-- 
Thomas