diff options
Diffstat (limited to 'kernel/arch/x86/include/asm/alternative.h')
| -rw-r--r-- | kernel/arch/x86/include/asm/alternative.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/kernel/arch/x86/include/asm/alternative.h b/kernel/arch/x86/include/asm/alternative.h index ba32af062..7bfc85bbb 100644 --- a/kernel/arch/x86/include/asm/alternative.h +++ b/kernel/arch/x86/include/asm/alternative.h @@ -52,6 +52,12 @@ struct alt_instr { u8 padlen; /* length of build-time padding */ } __packed; +/* + * Debug flag that can be tested to see whether alternative + * instructions were patched in already: + */ +extern int alternatives_patched; + extern void alternative_instructions(void); extern void apply_alternatives(struct alt_instr *start, struct alt_instr *end); |