[dpdk-dev] [PATCH v2] kni: increase kernel version requirement for VA

[David Marchand]

On Wed, Nov 20, 2019 at 6:28 PM David Marchand
<david.marchand at redhat.com> wrote:
>
> On Wed, Nov 20, 2019 at 6:22 PM Ferruh Yigit <ferruh.yigit at intel.com> wrote:
> >
> > A build error reported related to the selected
> > 'get_user_pages_remote()' kernel API:
> >
> > .../kernel/linux/kni/kni_dev.h:113:8:
> >   error: too few arguments to function ‘get_user_pages_remote’
> >   ret = get_user_pages_remote(tsk, tsk->mm, iova, 1
> >         ^~~~~~~~~~~~~~~~~~~~~
> >
> > Currently there are three version of the 'get_user_pages_remote()'
> > supported, based on kernel version
> > < 4.9, = 4.9, > 4.9
> >
> > These version based checks are not working fine with the distro kernels
> > which is the cause of reported build error. The error reported by the
> > kernel version 4.8, but it is using API defined in > 4.9.
> >
> > To be able to take control of this, and possible more, related build
> > error, increasing the minimum supported kernel version for iova=va with
> > KNI to kernel version 4.9.
> >
> > This leaves us with single version of the kernel API and more
> > manageable.
> >
> > Signed-off-by: Ferruh Yigit <ferruh.yigit at intel.com>

Reviewed-by: David Marchand <david.marchand at redhat.com>

We need this change to fix compilation issues for -rc3.
Applied, thanks.


-- 
David Marchand