[PATCH v3 5/5] Input: hv: Remove dependencies on PAGE_SIZE for ring buffer

From: Maya Nakamura
Date: Tue Jun 18 2019 - 03:10:59 EST


Define the ring buffer size as a constant expression because it should
not depend on the guest page size.

Signed-off-by: Maya Nakamura <m.maya.nakamura@xxxxxxxxx>
Reviewed-by: Michael Kelley <mikelley@xxxxxxxxxxxxx>
---
drivers/input/serio/hyperv-keyboard.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/input/serio/hyperv-keyboard.c b/drivers/input/serio/hyperv-keyboard.c
index 8e457e50f837..88ae7c2ac3c8 100644
--- a/drivers/input/serio/hyperv-keyboard.c
+++ b/drivers/input/serio/hyperv-keyboard.c
@@ -75,8 +75,8 @@ struct synth_kbd_keystroke {

#define HK_MAXIMUM_MESSAGE_SIZE 256

-#define KBD_VSC_SEND_RING_BUFFER_SIZE (10 * PAGE_SIZE)
-#define KBD_VSC_RECV_RING_BUFFER_SIZE (10 * PAGE_SIZE)
+#define KBD_VSC_SEND_RING_BUFFER_SIZE (40 * 1024)
+#define KBD_VSC_RECV_RING_BUFFER_SIZE (40 * 1024)

#define XTKBD_EMUL0 0xe0
#define XTKBD_EMUL1 0xe1
--
2.17.1