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Diffstat (limited to 'arch/x86/kernel/paravirt_patch_64.c')
-rw-r--r--arch/x86/kernel/paravirt_patch_64.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/arch/x86/kernel/paravirt_patch_64.c b/arch/x86/kernel/paravirt_patch_64.c
index 061d01df9ae6..3f08f34f93eb 100644
--- a/arch/x86/kernel/paravirt_patch_64.c
+++ b/arch/x86/kernel/paravirt_patch_64.c
@@ -19,6 +19,21 @@ DEF_NATIVE(pv_cpu_ops, usergs_sysret64, "swapgs; sysretq");
19DEF_NATIVE(pv_cpu_ops, usergs_sysret32, "swapgs; sysretl"); 19DEF_NATIVE(pv_cpu_ops, usergs_sysret32, "swapgs; sysretl");
20DEF_NATIVE(pv_cpu_ops, swapgs, "swapgs"); 20DEF_NATIVE(pv_cpu_ops, swapgs, "swapgs");
21 21
22DEF_NATIVE(, mov32, "mov %edi, %eax");
23DEF_NATIVE(, mov64, "mov %rdi, %rax");
24
25unsigned paravirt_patch_ident_32(void *insnbuf, unsigned len)
26{
27 return paravirt_patch_insns(insnbuf, len,
28 start__mov32, end__mov32);
29}
30
31unsigned paravirt_patch_ident_64(void *insnbuf, unsigned len)
32{
33 return paravirt_patch_insns(insnbuf, len,
34 start__mov64, end__mov64);
35}
36
22unsigned native_patch(u8 type, u16 clobbers, void *ibuf, 37unsigned native_patch(u8 type, u16 clobbers, void *ibuf,
23 unsigned long addr, unsigned len) 38 unsigned long addr, unsigned len)
24{ 39{