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(parent: 4413c9a) | patch
hv_netvsc: netvsc_teardown_gpadl() split
authorVitaly Kuznetsov <vkuznets@redhat.com>
Thu, 2 Nov 2017 10:35:30 +0000 (11:35 +0100)
committerDavid S. Miller <davem@davemloft.net>
Wed, 8 Nov 2017 01:28:54 +0000 (10:28 +0900)
commit30a734dfed911e49711175cbd51abb12f5bca1f9
treeee073c8cd135bb15032092384f2f0a30826a4cc3tree | snapshot
parent4413c9a252fbdf78e15ea1a5152b632d6e641d05commit | diff
hv_netvsc: netvsc_teardown_gpadl() split

It was found that in some cases host refuses to teardown GPADL for send/
receive buffers (probably when some work with these buffere is scheduled or
ongoing). Change the teardown logic to be:
1) Send NVSP_MSG1_TYPE_REVOKE_* messages
2) Close the channel
3) Teardown GPADLs.
This seems to work reliably.

Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/hyperv/netvsc.c diff | blob | history
Linux Kernel Source Tree.