On 1/8/20 10:20 AM, Sergey Dyasli wrote:
@@ -1943,6 +1973,15 @@ void __init xen_setup_kernel_pagetable(pgd_t *pgd, unsigned long max_pfn)
if (i && i < pgd_index(__START_KERNEL_map))
init_top_pgt[i] = ((pgd_t *)xen_start_info->pt_base)[i];
+#ifdef CONFIG_KASAN
+ /*
+ * Copy KASAN mappings
+ * ffffec0000000000 - fffffbffffffffff (=44 bits) kasan shadow memory (16TB)
+ */
+ for (i = 0xec0 >> 3; i < 0xfc0 >> 3; i++)
Are you referring here to KASAN_SHADOW_START and KASAN_SHADOW_END? If
so, can you use them instead?
-boris
+ init_top_pgt[i] = ((pgd_t *)xen_start_info->pt_base)[i];
+#endif
+
