diff options
Diffstat (limited to 'include/asm-x86/paravirt.h')
| -rw-r--r-- | include/asm-x86/paravirt.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/asm-x86/paravirt.h b/include/asm-x86/paravirt.h index 5935c273af1..b35ed95166e 100644 --- a/include/asm-x86/paravirt.h +++ b/include/asm-x86/paravirt.h @@ -308,6 +308,11 @@ extern struct pv_mmu_ops pv_mmu_ops; #define paravirt_alt(insn_string) \ _paravirt_alt(insn_string, "%c[paravirt_typenum]", "%c[paravirt_clobber]") +/* Simple instruction patching code. */ +#define DEF_NATIVE(ops, name, code) \ + extern const char start_##ops##_##name[], end_##ops##_##name[]; \ + asm("start_" #ops "_" #name ": " code "; end_" #ops "_" #name ":") + unsigned paravirt_patch_nop(void); unsigned paravirt_patch_ignore(unsigned len); unsigned paravirt_patch_call(void *insnbuf, @@ -322,6 +327,9 @@ unsigned paravirt_patch_default(u8 type, u16 clobbers, void *insnbuf, unsigned paravirt_patch_insns(void *insnbuf, unsigned len, const char *start, const char *end); +unsigned native_patch(u8 type, u16 clobbers, void *ibuf, + unsigned long addr, unsigned len); + int paravirt_disable_iospace(void); /* |