On Tue, Dec 01, 2015 at 02:18:49PM -0800, Sinclair Yeh wrote:
quoted hunk ↗ jump to hunk
v2:
Instead of replacing existing VMMOUSE defines, only modify enough
to use the new VMW_PORT define.
v3:
Use updated VMWARE_PORT() which requires hypervisor magic as an added
parameter
Signed-off-by: Sinclair Yeh <redacted>
Reviewed-by: Thomas Hellstrom <redacted>
Reviewed-by: Alok N Kataria <redacted>
Cc: pv-drivers@vmware.com
Cc: linux-graphics-maintainer@vmware.com
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: linux-kernel@vger.kernel.org
Cc: virtualization@lists.linux-foundation.org
Cc: linux-input@vger.kernel.org
---
drivers/input/mouse/vmmouse.c | 22 +++++++---------------
1 file changed, 7 insertions(+), 15 deletions(-)
diff --git a/drivers/input/mouse/vmmouse.c b/drivers/input/mouse/vmmouse.c
index e272f06..d34e3e4 100644
--- a/drivers/input/mouse/vmmouse.c
+++ b/drivers/input/mouse/vmmouse.c
@@ -19,6 +19,7 @@
#include <linux/slab.h>
#include <linux/module.h>
#include <asm/hypervisor.h>
+#include <asm/vmware.h>
#include "psmouse.h"
#include "vmmouse.h"
@@ -84,21 +85,12 @@ struct vmmouse_data {
* implementing the vmmouse protocol. Should never execute on
* bare metal hardware.
*/
-#define VMMOUSE_CMD(cmd, in1, out1, out2, out3, out4) \
-({ \
- unsigned long __dummy1, __dummy2; \
- __asm__ __volatile__ ("inl %%dx" : \
- "=a"(out1), \
- "=b"(out2), \
- "=c"(out3), \
- "=d"(out4), \
- "=S"(__dummy1), \
- "=D"(__dummy2) : \
- "a"(VMMOUSE_PROTO_MAGIC), \
- "b"(in1), \
- "c"(VMMOUSE_PROTO_CMD_##cmd), \
- "d"(VMMOUSE_PROTO_PORT) : \
- "memory"); \
+#define VMMOUSE_CMD(cmd, in1, out1, out2, out3, out4) \
+({ \
+ unsigned long __dummy1 = 0, __dummy2 = 0; \
Why do we need to initialize dummies?
+ VMW_PORT(in1, VMMOUSE_PROTO_CMD_##cmd, VMMOUSE_PROTO_PORT, \
+ VMMOUSE_PROTO_MAGIC, \
+ out1, out2, out3, out4, __dummy1, __dummy2); \
})
Thanks.
--
Dmitry