ACK: [SRU][Cosmic][PATCH 0/2] Fixes for LP:1807757

Khaled Elmously khalid.elmously at canonical.com
Thu Dec 20 04:24:53 UTC 2018


On 2018-12-19 10:55:45 , Joseph Salisbury wrote:
> BugLink: https://bugs.launchpad.net/bugs/1807757
> 
> == SRU Justification ==
> Microsoft has identified a multiple-NIC-deadlock issue on Hyper-V VMs.
> This bug is fixed by the commits eceb05965489 and 37c2578c0c40.
> 
> These commits fix a regression introduced by mainline commit 8195b1396ec8,
> and both have been cc'd upstream stable but has not landed in Cosmic as of
> yet.
> 
> These commits are also needed in Bionic and linux-azure, but they also
> have some dependent commits.  Due to this, their SRU requests will
> be sent separate.
> 
> == Fixes ==
> eceb05965489 ("Drivers: hv: vmbus: check the creation_status in vmbus_establish_gpadl()
> 37c2578c0c40 ("Drivers: hv: vmbus: Offload the handling of channels to two workqueues")
> 
> == Regression Potential ==
> Low, limited to hyperv.
> 
> == Test Case ==
> Microsoft ran tests with these commits are confirm they resolve the bug
> and do not introduce any regressions.
> 
> 
> Dexuan Cui (2):
>   Drivers: hv: vmbus: check the creation_status in
>     vmbus_establish_gpadl()
>   Drivers: hv: vmbus: Offload the handling of channels to two workqueues
> 
>  drivers/hv/channel.c      |   8 ++
>  drivers/hv/channel_mgmt.c | 190 +++++++++++++++++++++++++++++++---------------
>  drivers/hv/connection.c   |  24 +++++-
>  drivers/hv/hyperv_vmbus.h |   7 ++
>  include/linux/hyperv.h    |   7 ++
>  5 files changed, 170 insertions(+), 66 deletions(-)
> 

Acked-by: Khalid Elmously <khalid.elmously at canonical.com>




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