Set the write permission according to the flag when allocating host cpu mem

Change-Id: I758c2b5b1799e968fa852646e1494fabb68c782d
Signed-off-by: Yong Zhao <yong.zhao@amd.com>


[ROCm/ROCR-Runtime commit: 4839882fc8]

projects/rocr-runtime/src/fmm.c

@@ -1121,11 +1121,14 @@ static void *fmm_allocate_host_cpu(uint64_t MemorySizeInBytes,
 {
 	void *mem = NULL;
 	vm_object_t *vm_obj;
-	int mmap_prot = PROT_READ | PROT_WRITE;
+	int mmap_prot = PROT_READ;
 
 	if (flags.ui32.ExecuteAccess)
 		mmap_prot |= PROT_EXEC;
 
+	if (!flags.ui32.ReadOnly)
+		mmap_prot |= PROT_WRITE;
+
 	/* mmap will return a pointer with alignment equal to
 	 * sysconf(_SC_PAGESIZE).
 	 */