On 8/17/2021 1:28 AM, Michael Kelley wrote:
This patch does the following:
1) The existing ring buffer wrap-around mapping functionality is still
executed in hv_ringbuffer_init() when not doing SNP isolation.
This mapping is based on an array of struct page's that describe the
contiguous
From: Tianyu Lan Sent: Monday, August 9, 2021 10:56 AM
>
> VMbus ring buffer are shared with host and it's need to
s/it's need/it needs/
> be accessed via extra address space of Isolation VM with
> SNP support. This patch is to map the ring buffer
> address in extra address space via
From: Tianyu Lan
VMbus ring buffer are shared with host and it's need to
be accessed via extra address space of Isolation VM with
SNP support. This patch is to map the ring buffer
address in extra address space via ioremap(). HV host
visibility hvcall smears data in the ring buffer and
so reset
