linux-kernel - Re: [PATCH] vmbus: fix missing signaling in hv_signal_on

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Message-ID: <20170816091619.5e20950b@xeon-e3>
Date:   Wed, 16 Aug 2017 09:16:19 -0700
From:   Stephen Hemminger <stephen@...workplumber.org>
To:     Greg KH <gregkh@...uxfoundation.org>
Cc:     kys@...rosoft.com, decui@...rosoft.com,
        devel@...uxdriverproject.org, linux-kernel@...r.kernel.org,
        stable@...r.kernel.org, Stephen Hemminger <sthemmin@...rosoft.com>,
        John Starks <jon.Starks@...rosoft.com>
Subject: Re: [PATCH] vmbus: fix missing signaling in hv_signal_on_read()

On Wed, 16 Aug 2017 09:10:40 -0700
Greg KH <gregkh@...uxfoundation.org> wrote:

> On Wed, Aug 16, 2017 at 08:49:46AM -0700, Stephen Hemminger wrote:
> > When the space available before start of reading (cached_write_sz)
> > is the same as the host required space (pending_sz), we need to
> > still signal host.
> > 
> > Fixes: 433e19cf33d3 ("Drivers: hv: vmbus: finally fix hv_need_to_signal_on_read()")
> > 
> > Signed-off-by: John Starks <jon.Starks@...rosoft.com>
> > Signed-off-by: Dexuan Cui <decui@...rosoft.com>
> > Signed-off-by: Stephen Hemminger <sthemmin@...rosoft.com>
> > ---
> > This patch is for 4.13 (and stable).
> > A different fix is needed for linux-next.  
> 
> Is there a fix for this in Linus's tree?  If so, what's the git commit
> id?  We need to wait for that until I can take it in -stable.

There is no commit yet in Linus's tree. Was submitting for both Linus
and stable. Wasn't sure about the timing since 4.13 might close before he gets to it.