[PATCH v4 4/5] HID: hv: Remove dependencies on PAGE_SIZE for ring buffer
From: Maya Nakamura <hidden>
Date: 2019-07-12 08:27:42
Also in:
lkml
Subsystem:
hid core layer, hyper-v/azure core and drivers, the rest · Maintainers:
Jiri Kosina, Benjamin Tissoires, "K. Y. Srinivasan", Haiyang Zhang, Wei Liu, Dexuan Cui, Long Li, 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/hid/hid-hyperv.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/hid/hid-hyperv.c b/drivers/hid/hid-hyperv.c
index 7795831d37c2..cc5b09b87ab0 100644
--- a/drivers/hid/hid-hyperv.c
+++ b/drivers/hid/hid-hyperv.c@@ -104,8 +104,8 @@ struct synthhid_input_report { #pragma pack(pop) -#define INPUTVSC_SEND_RING_BUFFER_SIZE (10*PAGE_SIZE) -#define INPUTVSC_RECV_RING_BUFFER_SIZE (10*PAGE_SIZE) +#define INPUTVSC_SEND_RING_BUFFER_SIZE (40 * 1024) +#define INPUTVSC_RECV_RING_BUFFER_SIZE (40 * 1024) enum pipe_prot_msg_type {
--
2.17.1