Explain why we aren't using memcpy().

Reported by: jmg X-MFC with: r337715 Sponsored by: The FreeBSD Foundation
2018-08-14 14:50:06 +00:00 · 2018-08-14 14:50:06 +00:00 · 27f4c235ee
commit 27f4c235ee
parent 845800e190
1 changed files with 1 additions and 0 deletions
--- a/sys/x86/x86/ucode.c
+++ b/sys/x86/x86/ucode.c
@ -344,6 +344,7 @@ ucode_load_bsp(uintptr_t free)
 		match = loader->match(fileaddr, &len);
 		if (match != NULL) {
 			addr = map_ucode(free, len);
+			/* We can't use memcpy() before ifunc resolution. */
 			for (i = 0; i < len; i++)
 				addr[i] = match[i];
 			match = addr;