[PATCH 3/4] x86: add kprobe-booster to X86_64

Harvey Harrison harvey.harrison@gmail.com
Mon Dec 17 22:27:00 GMT 2007


Sorry I missed an ifdef in this patch in the following hunk:

@@ -183,6 +185,9 @@ retry:
        }
 
        switch (opcode & 0xf0) {
+#ifdef X86_64
+       case 0x40:
+               goto retry; /* REX prefix is boostable */
        case 0x60:
                if (0x63 < opcode && opcode < 0x67)
                        goto retry; /* prefixes */

Just add the #ifdef to only catch case 0x40.

@@ -183,6 +185,10 @@ retry:
        }
 
        switch (opcode & 0xf0) {
+#ifdef X86_64
+       case 0x40:
+               goto retry; /* REX prefix is boostable */
+#endif
        case 0x60:
                if (0x63 < opcode && opcode < 0x67)
                        goto retry; /* prefixes */

Cheers,

Harvey



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