linux-kernel - Re: [PATCH stable 0/3] SOF_TIMESTAMPING_OPT

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Message-ID: <20220429095410.iewnssn3gookhi2y@skbuf>
Date:   Fri, 29 Apr 2022 09:54:11 +0000
From:   Vladimir Oltean <vladimir.oltean@....com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
CC:     Sasha Levin <sashal@...nel.org>, stable <stable@...r.kernel.org>,
        lkml <linux-kernel@...r.kernel.org>,
        Willem de Bruijn <willemdebruijn.kernel@...il.com>,
        Soheil Hassas Yeganeh <soheil@...gle.com>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Jakub Kicinski <kuba@...nel.org>,
        "David S. Miller" <davem@...emloft.net>
Subject: Re: [PATCH stable 0/3] SOF_TIMESTAMPING_OPT_ID backport to 4.14 and
 4.19

On Fri, Apr 29, 2022 at 10:38:42AM +0200, Greg Kroah-Hartman wrote:
> 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@mail.gmail.com/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...

They're there, thanks.
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=linux-4.14.y&id=add668be8f5e53f4471a075edaa70a7cb85fd036
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=linux-4.14.y&id=a96c57a72f477b42ab238fad3c2c1f8e8c091256
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=linux-4.19.y&id=cd7295d0bea3f56a3f024f1b22d50a0f3fc727f1