[PATCH] i386: Page-align the GDT

[linux-2.6-omap-h63xx.git] / include / asm-i386 / alternative.h

diff --git a/include/asm-i386/alternative.h b/include/asm-i386/alternative.h
index c61bd1a17f3706a959b1b120977237ee65852628..5b59d07e9d2959eaf94ebadf000bb5e7cc62e91a 100644 (file)
--- a/include/asm-i386/alternative.h
+++ b/include/asm-i386/alternative.h
@@ -1,10 +1,8 @@
 #ifndef _I386_ALTERNATIVE_H
 #define _I386_ALTERNATIVE_H
 
-#ifdef __KERNEL__
-
 #include <asm/types.h>
-
+#include <linux/stddef.h>
 #include <linux/types.h>
 
 struct alt_instr {
@@ -16,16 +14,23 @@ struct alt_instr {
        u8  pad;
 };
 
+extern void alternative_instructions(void);
 extern void apply_alternatives(struct alt_instr *start, struct alt_instr *end);
 
 struct module;
+#ifdef CONFIG_SMP
 extern void alternatives_smp_module_add(struct module *mod, char *name,
                                        void *locks, void *locks_end,
                                        void *text, void *text_end);
 extern void alternatives_smp_module_del(struct module *mod);
 extern void alternatives_smp_switch(int smp);
-
-#endif
+#else
+static inline void alternatives_smp_module_add(struct module *mod, char *name,
+                                       void *locks, void *locks_end,
+                                       void *text, void *text_end) {}
+static inline void alternatives_smp_module_del(struct module *mod) {}
+static inline void alternatives_smp_switch(int smp) {}
+#endif /* CONFIG_SMP */
 
 /*
  * Alternative instructions for different CPU types or capabilities.
@@ -80,9 +85,6 @@ extern void alternatives_smp_switch(int smp);
 /*
  * Alternative inline assembly for SMP.
  *
- * alternative_smp() takes two versions (SMP first, UP second) and is
- * for more complex stuff such as spinlocks.
- *
  * The LOCK_PREFIX macro defined here replaces the LOCK and
  * LOCK_PREFIX macros used everywhere in the source tree.
  *
@@ -102,21 +104,6 @@ extern void alternatives_smp_switch(int smp);
  */
 
 #ifdef CONFIG_SMP
-#define alternative_smp(smpinstr, upinstr, args...)                    \
-       asm volatile ("661:\n\t" smpinstr "\n662:\n"                    \
-                     ".section .smp_altinstructions,\"a\"\n"           \
-                     "  .align 4\n"                                    \
-                     "  .long 661b\n"            /* label */           \
-                     "  .long 663f\n"            /* new instruction */ \
-                     "  .byte 0x68\n"            /* X86_FEATURE_UP */  \
-                     "  .byte 662b-661b\n"       /* sourcelen */       \
-                     "  .byte 664f-663f\n"       /* replacementlen */  \
-                     ".previous\n"                                     \
-                     ".section .smp_altinstr_replacement,\"awx\"\n"    \
-                     "663:\n\t" upinstr "\n"     /* replacement */     \
-                     "664:\n\t.fill 662b-661b,1,0x42\n" /* space for original */ \
-                     ".previous" : args)
-
 #define LOCK_PREFIX \
                ".section .smp_locks,\"a\"\n"   \
                "  .align 4\n"                  \
@@ -125,9 +112,20 @@ extern void alternatives_smp_switch(int smp);
                "661:\n\tlock; "
 
 #else /* ! CONFIG_SMP */
-#define alternative_smp(smpinstr, upinstr, args...) \
-       asm volatile (upinstr : args)
 #define LOCK_PREFIX ""
 #endif
 
+struct paravirt_patch_site;
+#ifdef CONFIG_PARAVIRT
+void apply_paravirt(struct paravirt_patch_site *start,
+                   struct paravirt_patch_site *end);
+#else
+static inline void
+apply_paravirt(struct paravirt_patch_site *start,
+              struct paravirt_patch_site *end)
+{}
+#define __start_parainstructions NULL
+#define __stop_parainstructions NULL
+#endif
+
 #endif /* _I386_ALTERNATIVE_H */