Wei Hu c81166b018 Hyper-V: vmbus: check if signaling host is needed in vmbus_rxbr_read ... It is observed that netvsc's send rings could stall on the latest Azure Boost platforms. This is due to vmbus_rxbr_read() routine doesn't check if host is waiting for more room to put data, which leads to host side sleeping forever on this vmbus channel. The problem was only observed on the latest platform because the host requests larger buffer ring room to be available, which causes the issue to happen much more easily. Fix this by adding check in the vmbus_rxbr_read call and signaling the host in the callers if check returns positively. Reported by: NetApp Tested by: whu Sponsored by: Microsoft (cherry picked from commit 49fa9a64372b087cfd66459a20f4ffd25464b6a3)		2023-10-20 10:03:35 +00:00
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hvsock	sys: Remove $FreeBSD$: one-line .c pattern	2023-08-16 11:54:36 -06:00
include	sys: Remove $FreeBSD$: two-line .h pattern	2023-08-16 11:54:11 -06:00
input	sys: Remove $FreeBSD$: one-line .c pattern	2023-08-16 11:54:36 -06:00
netvsc	Hyper-V: hn: use VF's capabilities when it is attached	2023-09-09 13:43:59 +00:00
pcib	sys: Remove $FreeBSD$: one-line .c pattern	2023-08-16 11:54:36 -06:00
storvsc	sys: Remove $FreeBSD$: one-line .c pattern	2023-08-16 11:54:36 -06:00
utilities	sys: Remove $FreeBSD$: one-line .c pattern	2023-08-16 11:54:36 -06:00
vmbus	Hyper-V: vmbus: check if signaling host is needed in vmbus_rxbr_read	2023-10-20 10:03:35 +00:00