[PATCH v3 08/11] Input: hyperv-keyboard: Make ringbuffer at least take two pages
dmitry.torokhov at gmail.com
Sun Sep 13 12:59:56 EDT 2020
On Sat, Sep 12, 2020 at 07:37:23PM +0000, Michael Kelley wrote:
> From: Boqun Feng <boqun.feng at gmail.com> Sent: Thursday, September 10, 2020 7:35 AM
> > 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 at gmail.com>
> > ---
> > drivers/input/serio/hyperv-keyboard.c | 4 ++--
> > 1 file changed, 2 insertions(+), 2 deletions(-)
> Reviewed-by: Michael Kelley <mikelley at microsoft.com>
Acked-by: Dmitry Torokhov <dmitry.torokhov at gmail.com>
Please feel free to merge with the rest of the patches through whatever
tree they will go in.
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