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Diffstat (limited to 'arch/x86/kernel/paravirt.c')
-rw-r--r--arch/x86/kernel/paravirt.c16
1 files changed, 6 insertions, 10 deletions
diff --git a/arch/x86/kernel/paravirt.c b/arch/x86/kernel/paravirt.c
index 9b0f568b0200..855ae08a05a1 100644
--- a/arch/x86/kernel/paravirt.c
+++ b/arch/x86/kernel/paravirt.c
@@ -53,7 +53,10 @@ void __init default_banner(void)
}
/* Undefined instruction for dealing with missing ops pointers. */
-static const unsigned char ud2a[] = { 0x0f, 0x0b };
+static void paravirt_BUG(void)
+{
+ BUG();
+}
struct branch {
unsigned char opcode;
@@ -107,17 +110,10 @@ unsigned paravirt_patch_default(u8 type, void *insn_buff,
unsigned ret;
if (opfunc == NULL)
- /* If there's no function, patch it with a ud2a (BUG) */
- ret = paravirt_patch_insns(insn_buff, len, ud2a, ud2a+sizeof(ud2a));
+ /* If there's no function, patch it with paravirt_BUG() */
+ ret = paravirt_patch_call(insn_buff, paravirt_BUG, addr, len);
else if (opfunc == _paravirt_nop)
ret = 0;
-
-#ifdef CONFIG_PARAVIRT_XXL
- /* identity functions just return their single argument */
- else if (opfunc == _paravirt_ident_64)
- ret = paravirt_patch_ident_64(insn_buff, len);
-
-#endif
else
/* Otherwise call the function. */
ret = paravirt_patch_call(insn_buff, opfunc, addr, len);