On 6/26/19 9:25 PM, Jiunn Chang wrote:
Shifting signed 32-bit value by 31 bits is undefined. Changing most
significant bit to unsigned.
Changes included in v2:
- use subsystem specific subject lines
- CC required mailing lists
Signed-off-by: Jiunn Chang <c0d1n61at3@xxxxxxxxx>
---
Move version change lines here.
include/uapi/linux/kfd_ioctl.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/include/uapi/linux/kfd_ioctl.h b/include/uapi/linux/kfd_ioctl.h
index dc067ed0b72d..ae5669272303 100644
--- a/include/uapi/linux/kfd_ioctl.h
+++ b/include/uapi/linux/kfd_ioctl.h
@@ -339,7 +339,7 @@ struct kfd_ioctl_acquire_vm_args {
#define KFD_IOC_ALLOC_MEM_FLAGS_USERPTR (1 << 2)
#define KFD_IOC_ALLOC_MEM_FLAGS_DOORBELL (1 << 3)
/* Allocation flags: attributes/access options */
-#define KFD_IOC_ALLOC_MEM_FLAGS_WRITABLE (1 << 31)
+#define KFD_IOC_ALLOC_MEM_FLAGS_WRITABLE (1U << 31)
#define KFD_IOC_ALLOC_MEM_FLAGS_EXECUTABLE (1 << 30)
#define KFD_IOC_ALLOC_MEM_FLAGS_PUBLIC (1 << 29)
#define KFD_IOC_ALLOC_MEM_FLAGS_NO_SUBSTITUTE (1 << 28)
thanks,
-- Shuah
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