RE: [PATCH 0/2] pci-hyperv: Some miscellaneous fixes

From: KY Srinivasan
Date: Tue Apr 04 2017 - 15:54:42 EST




> -----Original Message-----
> From: Bjorn Helgaas [mailto:helgaas@xxxxxxxxxx]
> Sent: Tuesday, April 4, 2017 12:04 PM
> To: KY Srinivasan <kys@xxxxxxxxxxxxx>
> Cc: linux-pci@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx;
> devel@xxxxxxxxxxxxxxxxxxxxxx; olaf@xxxxxxxxx; apw@xxxxxxxxxxxxx;
> vkuznets@xxxxxxxxxx; jasowang@xxxxxxxxxx;
> leann.ogasawara@xxxxxxxxxxxxx; marcelo.cerri@xxxxxxxxxxxxx; Stephen
> Hemminger <sthemmin@xxxxxxxxxxxxx>
> Subject: Re: [PATCH 0/2] pci-hyperv: Some miscellaneous fixes
>
> On Fri, Mar 24, 2017 at 11:06:40AM -0700, kys@xxxxxxxxxxxxxxxxxxxxxx
> wrote:
> > From: K. Y. Srinivasan <kys@xxxxxxxxxxxxx>
> >
> > Some miscellaneous fixes.
> >
> > K. Y. Srinivasan (2):
> > pci-hyperv: Fix a bug in specifying CPU affinity
> > pci-hyperv: Fix an atomic bug
> >
> > drivers/pci/host/pci-hyperv.c | 13 +++++++++----
> > 1 files changed, 9 insertions(+), 4 deletions(-)
>
> I applied these with Long's reviewed-by to pci/host-hv for v4.12 with the
> following subject lines:
>
> PCI: hv: Specify CPU_AFFINITY_ALL for MSI affinity when >= 32 CPUs
> PCI: hv: Allocate interrupt descriptors with GFP_ATOMIC
>
Thank you.

> There were two copies of [1/2], which makes this error-prone. I applied
> the second one that defines CPU_AFFINITY_ALL.

Thanks again; sorry for the confusion.

>
> They're both marked for stable, but without any clue about when the
> problems were introduced or how serious they are, I did not queue them for
> v4.11. If you want them in v4.11, please supply those additional details.

I think these issues have been there since the driver got merged upstream.
I would want this to be applied against 4.11 as well. Let me know if I should resend
these patches.

Thanks,

K. Y
>
> Bjorn