gro: Allow tunnel stacking in the case of FOU/GUE
[linux/fpc-iii.git] / arch / mips / include / asm / jump_label.h
blob608aa57799c8194a88d39d2e9b6d9968e072ac8c
1 /*
2 * This file is subject to the terms and conditions of the GNU General Public
3 * License. See the file "COPYING" in the main directory of this archive
4 * for more details.
6 * Copyright (c) 2010 Cavium Networks, Inc.
7 */
8 #ifndef _ASM_MIPS_JUMP_LABEL_H
9 #define _ASM_MIPS_JUMP_LABEL_H
11 #ifndef __ASSEMBLY__
13 #include <linux/types.h>
15 #define JUMP_LABEL_NOP_SIZE 4
17 #ifdef CONFIG_64BIT
18 #define WORD_INSN ".dword"
19 #else
20 #define WORD_INSN ".word"
21 #endif
23 #ifdef CONFIG_CPU_MICROMIPS
24 #define NOP_INSN "nop32"
25 #else
26 #define NOP_INSN "nop"
27 #endif
29 static __always_inline bool arch_static_branch(struct static_key *key)
31 asm_volatile_goto("1:\t" NOP_INSN "\n\t"
32 "nop\n\t"
33 ".pushsection __jump_table, \"aw\"\n\t"
34 WORD_INSN " 1b, %l[l_yes], %0\n\t"
35 ".popsection\n\t"
36 : : "i" (key) : : l_yes);
37 return false;
38 l_yes:
39 return true;
42 #ifdef CONFIG_64BIT
43 typedef u64 jump_label_t;
44 #else
45 typedef u32 jump_label_t;
46 #endif
48 struct jump_entry {
49 jump_label_t code;
50 jump_label_t target;
51 jump_label_t key;
54 #endif /* __ASSEMBLY__ */
55 #endif /* _ASM_MIPS_JUMP_LABEL_H */