Re: Request vsock and hv_sock patches to be backported for linux-5.2.y, linux-4.19.y and linux-4.14.y

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On Wed, Jul 31, 2019 at 08:13:24PM +0000, Dexuan Cui wrote:
> > From: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
> > Sent: Wednesday, July 31, 2019 2:31 AM
> > On Wed, Jul 31, 2019 at 06:41:10AM +0000, Dexuan Cui wrote:
> > > For linux-4.14.y (currently it's v4.14.134), 4 patches are missing.
> > > The mainline commit IDs are:
> > >         cb359b604167 ("hvsock: fix epollout hang from race condition")
> > >         3b4477d2dcf2 ("VSOCK: use TCP state constants for sk_state")
> > >         a9eeb998c28d ("hv_sock: Add support for delayed close")
> > >         d5afa82c977e ("vsock: correct removal of socket from the list")
> > > The third patch (a9eeb998c28d) needs small manual adjustments, and please
> > > use the attached backported patch for it; the other 3 patches can be cleanly
> > > cherry-picked from the mainline, in the listed order here.
> > > Note: it looks the first commit (cb359b604167) has been queued.
> > 
> > I have not taken 3b4477d2dcf2 ("VSOCK: use TCP state constants for
> > sk_state") for 4.14.y as it doesn't look like you really needed it.  Are
> > you sure you did?
> 
> For linux-4.14.y:
>   Without 3b4477d2dcf2, there would be a conflict when we apply a9eeb998c28d.

Didn't happen, look at the tree for proof of that :)

>   And, without 3b4477d2dcf2, I think actually we should not apply:
>   c9d3fe9da094 ("VSOCK: fix outdated sk_state value in hvs_release()"), 
>   but c9d3fe9da094 was already applied into linux-4.14.y on Feb 25, 2018.
> 
>   I just checked 4.14.136-rc1 and found 3b4477d2dcf2 is queued. This is great! :-)
> 
>   So the only missing thing is: we need to cherry pick 
>     a9eeb998c28d ("hv_sock: Add support for delayed close")
>   onto 4.14.136-rc1.

Now queued up.

Can you test all of these to verify I got it right?

thanks,

greg k-h



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