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-rw-r--r--arch/i386/kernel/alternative.c21
1 files changed, 2 insertions, 19 deletions
diff --git a/arch/i386/kernel/alternative.c b/arch/i386/kernel/alternative.c
index 9eca21b49f6b..426f59b0106b 100644
--- a/arch/i386/kernel/alternative.c
+++ b/arch/i386/kernel/alternative.c
@@ -5,15 +5,9 @@
5#include <asm/alternative.h> 5#include <asm/alternative.h>
6#include <asm/sections.h> 6#include <asm/sections.h>
7 7
8static int no_replacement = 0;
9static int smp_alt_once = 0; 8static int smp_alt_once = 0;
10static int debug_alternative = 0; 9static int debug_alternative = 0;
11 10
12static int __init noreplacement_setup(char *s)
13{
14 no_replacement = 1;
15 return 1;
16}
17static int __init bootonly(char *str) 11static int __init bootonly(char *str)
18{ 12{
19 smp_alt_once = 1; 13 smp_alt_once = 1;
@@ -25,7 +19,6 @@ static int __init debug_alt(char *str)
25 return 1; 19 return 1;
26} 20}
27 21
28__setup("noreplacement", noreplacement_setup);
29__setup("smp-alt-boot", bootonly); 22__setup("smp-alt-boot", bootonly);
30__setup("debug-alternative", debug_alt); 23__setup("debug-alternative", debug_alt);
31 24
@@ -252,9 +245,6 @@ void alternatives_smp_module_add(struct module *mod, char *name,
252 struct smp_alt_module *smp; 245 struct smp_alt_module *smp;
253 unsigned long flags; 246 unsigned long flags;
254 247
255 if (no_replacement)
256 return;
257
258 if (smp_alt_once) { 248 if (smp_alt_once) {
259 if (boot_cpu_has(X86_FEATURE_UP)) 249 if (boot_cpu_has(X86_FEATURE_UP))
260 alternatives_smp_unlock(locks, locks_end, 250 alternatives_smp_unlock(locks, locks_end,
@@ -289,7 +279,7 @@ void alternatives_smp_module_del(struct module *mod)
289 struct smp_alt_module *item; 279 struct smp_alt_module *item;
290 unsigned long flags; 280 unsigned long flags;
291 281
292 if (no_replacement || smp_alt_once) 282 if (smp_alt_once)
293 return; 283 return;
294 284
295 spin_lock_irqsave(&smp_alt, flags); 285 spin_lock_irqsave(&smp_alt, flags);
@@ -320,7 +310,7 @@ void alternatives_smp_switch(int smp)
320 return; 310 return;
321#endif 311#endif
322 312
323 if (no_replacement || smp_alt_once) 313 if (smp_alt_once)
324 return; 314 return;
325 BUG_ON(!smp && (num_online_cpus() > 1)); 315 BUG_ON(!smp && (num_online_cpus() > 1));
326 316
@@ -386,13 +376,6 @@ extern struct paravirt_patch __start_parainstructions[],
386void __init alternative_instructions(void) 376void __init alternative_instructions(void)
387{ 377{
388 unsigned long flags; 378 unsigned long flags;
389 if (no_replacement) {
390 printk(KERN_INFO "(SMP-)alternatives turned off\n");
391 free_init_pages("SMP alternatives",
392 (unsigned long)__smp_alt_begin,
393 (unsigned long)__smp_alt_end);
394 return;
395 }
396 379
397 local_irq_save(flags); 380 local_irq_save(flags);
398 apply_alternatives(__alt_instructions, __alt_instructions_end); 381 apply_alternatives(__alt_instructions, __alt_instructions_end);