Re: [RFC v2 09/11] HID: hyperv: Make ringbuffer at least take two pages

[Jiri Kosina]

On Wed, 2 Sep 2020, Boqun Feng wrote:

> When PAGE_SIZE > HV_HYP_PAGE_SIZE, we need the ringbuffer size to be at
> least 2 * PAGE_SIZE: one page for the header and at least one page of
> the data part (because of the alignment requirement for double mapping).
> 
> So make sure the ringbuffer sizes to be at least 2 * PAGE_SIZE when
> using vmbus_open() to establish the vmbus connection.
> 
> Signed-off-by: Boqun Feng <boqun.feng@xxxxxxxxx>

Acked-by: Jiri Kosina <jkosina@xxxxxxx>

-- 
Jiri Kosina
SUSE Labs