APPLIED: [SRU][bionic:linux-azure-4.15][PATCH 0/1] UBUNTU: SAUCE: Call trace during nvme storage performance test in bionic/linux-azure 4.15.0-1154

[Tim Gardner]

On 11/15/22 10:00 AM, John Cabaj wrote:
> [Impact]
> 
> Hypervisor only allocates interrupts to happen on a single physical GPU, which can lead to CPU soft locks when using PCI NVME under heavy load.
> 
> [Test Case]
> 
> Microsoft tested
> 
> [Where things could go wrong]
> 
> Hypervisor PCI driver may not load correctly. Patch did not apply cleanly and could lead to merge conflicts once the upstream patch is pulled in.
> 
> [Other Info]
> 
> SF: #00347669
> 
> John Cabaj (1):
>    PCI: hv: Only reuse existing IRTE allocation for Multi-MSI
> 
>   drivers/pci/host/pci-hyperv.c | 68 +++++++++++++++++++++++++++--------
>   1 file changed, 53 insertions(+), 15 deletions(-)
> 
Applied to bionic:linux-azure-4.15. Thanks.

I updated the commit message to reflect proper provenance.

-rtg
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Tim Gardner
Canonical, Inc