[PATCH] x86_64: parse noexec=[on|off]

[Fabio Massimo Di Nitto]

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Hi,
  the patch fixes the noexec= boot option on x86_64 to actually work when other
options come after it.

Credits (if any ;)) should go to Matt Zimmerman and Colin Watson for spotting
the problem and providing/testing the fix.

Best Regards,
Fabio

diff -urNad linux-source-2.6.10-2.6.10/arch/x86_64/kernel/setup64.c /usr/src/dpatchtemp/dpep.fC5FuB/linux-source-2.6.10-2.6.10/arch/x86_64/kernel/setup64.c
- --- linux-source-2.6.10-2.6.10/arch/x86_64/kernel/setup64.c	2005-02-04 09:16:07.000000000 +0100
+++ /usr/src/dpatchtemp/dpep.fC5FuB/linux-source-2.6.10-2.6.10/arch/x86_64/kernel/setup64.c	2005-02-04 09:17:29.832897272 +0100
@@ -52,10 +52,10 @@
 */ 
 void __init nonx_setup(const char *str)
 {
- -	if (!strcmp(str, "on")) {
+	if (!strncmp(str, "on", 2)) {
                 __supported_pte_mask |= _PAGE_NX; 
  		do_not_nx = 0; 
- -	} else if (!strcmp(str, "off")) {
+	} else if (!strncmp(str, "off", 3)) {
 		do_not_nx = 1;
 		__supported_pte_mask &= ~_PAGE_NX;
         } 

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