Add note about support for buffer overlap
Note that enabling MBEDTLS_PSA_COPY_CALLER_BUFFERS allows full buffer
overlap support, whereas without it, overlap support is reduced to that
documented in the function descriptions.
Signed-off-by: David Horstmann <david.horstmann@arm.com>
diff --git a/include/mbedtls/config.h b/include/mbedtls/config.h
index d9e7dc2..a8bc45e 100644
--- a/include/mbedtls/config.h
+++ b/include/mbedtls/config.h
@@ -1579,7 +1579,10 @@
* an untrusted party, for example where arguments to PSA calls are passed
* across a trust boundary.
*
- * Note: Enabling this option increases memory usage and code size.
+ * \note Enabling this option increases memory usage and code size.
+ *
+ * \note Enabling this option enables full support for overlap of input and
+ * output buffers passed to PSA functions.
*/
#define MBEDTLS_PSA_COPY_CALLER_BUFFERS