> From: gregkh@xxxxxxxxxxxxxxxxxxx <gregkh@xxxxxxxxxxxxxxxxxxx>
> Sent: Saturday, December 1, 2018 11:34 PM
> To: Dexuan Cui <decui@xxxxxxxxxxxxx>
> Cc: KY Srinivasan <kys@xxxxxxxxxxxxx>; Haiyang Zhang
> <haiyangz@xxxxxxxxxxxxx>; Stephen Hemminger
> <sthemmin@xxxxxxxxxxxxx>; linux-kernel@xxxxxxxxxxxxxxx;
> devel@xxxxxxxxxxxxxxxxxxxxxx; apw@xxxxxxxxxxxxx; vkuznets
> <vkuznets@xxxxxxxxxx>; olaf@xxxxxxxxx; jasowang@xxxxxxxxxx; Michael
> Kelley <mikelley@xxxxxxxxxxxxx>
> Subject: Re: [PATCH] [repost] Drivers: hv: vmbus: Offload the handling of
> channels to two workqueues
>
> On Fri, Nov 30, 2018 at 06:09:54PM +0000, Dexuan Cui wrote:
> > > From: KY Srinivasan <kys@xxxxxxxxxxxxx>
> > > Sent: Friday, November 30, 2018 9:31 AM
> > > > From: Dexuan Cui <decui@xxxxxxxxxxxxx>
> > > > Sent: Thursday, November 29, 2018 12:17 AM
> > > > To: gregkh@xxxxxxxxxxxxxxxxxxx
> > > > Cc: KY Srinivasan <kys@xxxxxxxxxxxxx>; Haiyang Zhang
> > > > <haiyangz@xxxxxxxxxxxxx>; Stephen Hemminger
> > > > <sthemmin@xxxxxxxxxxxxx>; linux-kernel@xxxxxxxxxxxxxxx;
> > > > devel@xxxxxxxxxxxxxxxxxxxxxx; apw@xxxxxxxxxxxxx; vkuznets
> > > > <vkuznets@xxxxxxxxxx>; olaf@xxxxxxxxx; jasowang@xxxxxxxxxx;
> Michael
> > > > Kelley <mikelley@xxxxxxxxxxxxx>
> > > > Subject: RE: [PATCH] [repost] Drivers: hv: vmbus: Offload the handling of
> > > > channels to two workqueues
> > > >
> > > > > From: gregkh@xxxxxxxxxxxxxxxxxxx <gregkh@xxxxxxxxxxxxxxxxxxx>
> > > > > Sent: Wednesday, November 28, 2018 11:45 PM
> > > > > >
> > > > > > There is no change in this repost. I just rebased this patch to today's
> > > > > > char-misc's char-misc-next branch. Previously KY posted the patch
> with
> > > > his
> > > > > > Signed-off-by (which is kept in this repost), but there was a conflict
> issue.
> > > > > >
> > > > > > Note: the patch can't be cleanly applied to char-misc's
> char-misc-linus
> > > > branch
> > > > > --
> > > > > > to do that, we need to cherry-pick the supporting patch first:
> > > > > > 4d3c5c69191f ("Drivers: hv: vmbus: Remove the useless API
> > > > > vmbus_get_outgoing_channel()")
> > > > >
> > > > > That is not going to work for the obvious reason that this dependant
> > > > > patch is not going to be merged into 4.20-final.
> > > >
> > > > It looks the dependent patch (4d3c5c69191f) is going to miss the v4.20
> > > > release.
> > > > This is not a big issue, as the dependent patch isn't really important.
> > > >
> > > > > So, what do you expect us to do here? The only way this can be
> accepted
> > > > > is to have it go into my -next branch, which means it will show up in
> > > > > 4.21-rc1, is that ok?
> > > >
> > > > Is there any chance for this patch ("Drivers: hv: vmbus: Offload the
> handling
> > > > ...") to
> > > > go into v4.20?
> > > >
> > > > If yes, I can quickly do a rebase to char-misc's char-misc-linus branch,
> > > > because actually the conflict can be very easily fixed. And I can help to
> fix any
> > > > conflict when the dependent patch is backported to v4.20.1.
> > >
> > > This patch fixes an important bug while the patch this depends on is not
> > > critical.
> > > I suggest we revert the patch that this patch depends on
> > > and we can submit a new version of this patch that can go in now - into
> 4.20
> > > release.
> > >
> > > K. Y
> >
> > I agree.
> >
> > Hi Greg,
> > Please let us know what we can do to try to push this important fix into
> v4.20.
> >
> > Actually it's straightforward, though it looks big. And, we ave done a full
> testing
> > with the patch.
>
> Ok, you all need to figure this out on your own, sorry. Please give me
> a patch that I can actually apply to the tree if you need it merged into
> 4.20-final. This shouldn't be tough, you all have been doing this long
> enough by now...
>
> I have no bandwidth to do this myself for you,
>
> greg k-h
Hi Greg,
Please use the attached patch: I rebased the patch to today's char-misc's
char-misc-linus branch. It can also cleanly apply to Linus's master branch
today.
Please let me know in case you need me to re-post the patch in a new mail
(rather than the attachment here) or you need me to rebase the patch to
a different tree/branch.
Thanks,
Dexuan
Attachment:
0001-Drivers-hv-vmbus-Offload-the-handling-of-channels-to.patch
Description: 0001-Drivers-hv-vmbus-Offload-the-handling-of-channels-to.patch
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