[PATCH] PCI: hv: use effective affinity mask

Bjorn Helgaas helgaas at kernel.org
Wed Nov 8 03:01:33 UTC 2017


On Wed, Nov 08, 2017 at 01:27:02AM +0000, Dexuan Cui wrote:
> > From: Bjorn Helgaas [mailto:helgaas at kernel.org]
> > Sent: Tuesday, November 7, 2017 5:08 PM
> > On Wed, Nov 01, 2017 at 08:30:53PM +0000, Dexuan Cui wrote:
> > >
> > > Please consider this for v4.14, if it's not too late.
> > 
> > What would be the rationale for putting it in v4.14?  After the merge
> > window, I usually only merge fixes for problems introduced during the
> > merge window, or for serious regressions.  I can't tell if this fits
> > into that or not.
> 
> The patch was sent last Wednesday and I hoped it could catch the 
> merge window to be in v4.14 so we won't have to request a backport
> for the v4.14 stable kernel in future. And I was not exactly sure when
> the merge window was. Sorry :-)
> 
> The patch is not fixing a serious regression. It just fixes a long standing
> issue from the beginning of the Hyper-V vPCI driver: 1 of 7 Mellanox 
> VFs of a 32-vCPU VM running on Hyper-V may not receive interrupts.

No problem.  I added a stable tag so the backport should happen
automatically and put it on my pci/host-hv branch for v4.15, with Jake's
Reviewed-by.  Thanks!

Bjorn


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