[PATCH v3 5/5] Input: hv: Remove dependencies on PAGE_SIZE for ring buffer
From: Maya Nakamura <hidden>
Date: 2019-06-18 07:06:01
Also in:
lkml
Subsystem:
hyper-v/azure core and drivers, input (keyboard, mouse, joystick, touchscreen) drivers, the rest · Maintainers:
"K. Y. Srinivasan", Haiyang Zhang, Wei Liu, Dexuan Cui, Long Li, Dmitry Torokhov, Linus Torvalds
Define the ring buffer size as a constant expression because it should not depend on the guest page size. Signed-off-by: Maya Nakamura <redacted> Reviewed-by: Michael Kelley <redacted> --- 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