On Thu, Aug 31, 2017 at 06:00:41PM +0100, Dave P Martin wrote:

+/*
+ * The SVE architecture leaves space for future expansion of the
+ * vector length beyond its initial architectural limit of 2048 bits
+ * (16 quadwords).
+ */
+#define SVE_VQ_BYTES		0x10	/* number of bytes per quadword */
+
+#define SVE_VQ_MIN		1
+#define SVE_VQ_MAX		0x200

Just a nitpick (up to you): could you use 16 and 512 here instead of
hex? I usually associate hex numbers with some bit fields.

-- 
Catalin