Roger Pau Monné 8dee0e9bd6 xen: add support for canceled suspend ... When running on Xen, it's possible that a suspend request to the hypervisor fails (return from HYPERVISOR_suspend different than 0). This means that the suspend hasn't succeed, and the resume procedure needs to properly handle this case. First of all, when such situation happens there's no need to reset the vector callback, hypercall page, shared info, event channels or grant table, because it's state is preserved. Also, the PV drivers don't need to be reset to the initial state, since the connection with the backed has not been interrupted. Submitted by: Liuyingdong <liuyingdong@huawei.com> Reviewed by: royger MFC after: 2 weeks Differential revision: https://reviews.freebsd.org/D9635		2017-03-07 09:16:51 +00:00
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blkfront.c	xen: add support for canceled suspend	2017-03-07 09:16:51 +00:00
block.h	sys/dev: minor spelling fixes.	2016-05-03 03:41:25 +00:00