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

[Vladimir Oltean]

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.