ipc: allocate userspace context uncached

lyakh · lyakh · commit dca021b2ca3c · 2026-06-17T15:04:43.000+02:00
Userspace IPC context is global, allocate it uncached.

Signed-off-by: Guennadi Liakhovetski &lt;guennadi.liakhovetski@linux.intel.com&gt;
diff --git a/src/ipc/ipc-common.c b/src/ipc/ipc-common.c
@@ -668,7 +668,8 @@ __cold static int ipc_user_init_thread(struct ipc_user *ipc_user)
 __cold int ipc_user_init(void)
 {
 	struct ipc *ipc = ipc_get();
-	struct ipc_user *ipc_user = sof_heap_alloc(sof_sys_user_heap_get(), SOF_MEM_FLAG_USER,
+	struct ipc_user *ipc_user = sof_heap_alloc(sof_sys_user_heap_get(),
+						   SOF_MEM_FLAG_USER | SOF_MEM_FLAG_COHERENT,
 						   sizeof(*ipc_user), 0);
 	int ret;
 

Original file line number	Diff line number	Diff line change
`@@ -668,7 +668,8 @@ __cold static int ipc_user_init_thread(struct ipc_user *ipc_user)`
`668`	`668`	`__cold int ipc_user_init(void)`
`669`	`669`	`{`
`670`	`670`	`struct ipc *ipc = ipc_get();`
`671`		`- struct ipc_user *ipc_user = sof_heap_alloc(sof_sys_user_heap_get(), SOF_MEM_FLAG_USER,`
	`671`	`+ struct ipc_user *ipc_user = sof_heap_alloc(sof_sys_user_heap_get(),`
	`672`	`+ SOF_MEM_FLAG_USER \| SOF_MEM_FLAG_COHERENT,`
`672`	`673`	`sizeof(*ipc_user), 0);`
`673`	`674`	`int ret;`
`674`	`675`