x86/paravirt: Kill some unused patching functions (79f1d836) · Commits · 戴 / test

arch/x86/include/asm/paravirt_types.h

+0 −2

Original line number	Diff line number	Diff line
		@@ -402,10 +402,8 @@ extern struct pv_lock_ops pv_lock_ops;
		__visible extern const char start_##ops##_##name[], end_##ops##_##name[]; \
		asm(NATIVE_LABEL("start_", ops, name) code NATIVE_LABEL("end_", ops, name))

		unsigned paravirt_patch_nop(void);
		unsigned paravirt_patch_ident_32(void *insnbuf, unsigned len);
		unsigned paravirt_patch_ident_64(void *insnbuf, unsigned len);
		unsigned paravirt_patch_ignore(unsigned len);
		unsigned paravirt_patch_call(void *insnbuf,
		const void *target, u16 tgt_clobbers,
		unsigned long addr, u16 site_clobbers,

+1 −12

Original line number	Diff line number	Diff line
		@@ -74,16 +74,6 @@ void __init default_banner(void)
		/* Undefined instruction for dealing with missing ops pointers. */
		static const unsigned char ud2a[] = { 0x0f, 0x0b };

		unsigned paravirt_patch_nop(void)
		{
		return 0;
		}

		unsigned paravirt_patch_ignore(unsigned len)
		{
		return len;
		}

		struct branch {
		unsigned char opcode;
		u32 delta;
		@@ -152,8 +142,7 @@ unsigned paravirt_patch_default(u8 type, u16 clobbers, void *insnbuf,
		/* If there's no function, patch it with a ud2a (BUG) */
		ret = paravirt_patch_insns(insnbuf, len, ud2a, ud2a+sizeof(ud2a));
		else if (opfunc == _paravirt_nop)
		/* If the operation is a nop, then nop the callsite */
		ret = paravirt_patch_nop();
		ret = 0;

		/* identity functions just return their single argument */
		else if (opfunc == _paravirt_ident_32)