Re: [PATCH stable 0/3] SOF_TIMESTAMPING_OPT_ID backport to 4.14 and 4.19

From: Greg Kroah-Hartman
Date: Fri Apr 29 2022 - 04:38:49 EST


On Fri, Apr 08, 2022 at 03:29:30PM +0000, Vladimir Oltean wrote:
> Hello Greg, Sasha,
>
> On Wed, Apr 06, 2022 at 10:29:53PM +0300, Vladimir Oltean wrote:
> > As discussed with Willem here:
> > https://lore.kernel.org/netdev/CA+FuTSdQ57O6RWj_Lenmu_Vd3NEX9xMzMYkB0C3rKMzGgcPc6A@xxxxxxxxxxxxxx/T/
> >
> > the kernel silently doesn't act upon the SOF_TIMESTAMPING_OPT_ID socket
> > option in several cases on older kernels, yet user space has no way to
> > find out about this, practically resulting in broken functionality.
> >
> > This patch set backports the support towards linux-4.14.y and linux-4.19.y,
> > which fixes the issue described above by simply making the kernel act
> > upon SOF_TIMESTAMPING_OPT_ID as expected.
> >
> > Testing was done with the most recent (not the vintage-correct one)
> > kselftest script at:
> > tools/testing/selftests/networking/timestamping/txtimestamp.sh
> > with the message "OK. All tests passed".
>
> Could you please pick up these backports for "stable"? Thanks.

Do you not already see these in a released kernel? If not, please
resubmit what is missing as I think they are all there...

thanks,

greg k-h