20 	void *addr;  member
30 static inline bool is_kernel_exittext(uintptr_t addr)  in is_kernel_exittext()  argument
33 		addr >= (uintptr_t)__exittext_begin &&  in is_kernel_exittext()
34 		addr < (uintptr_t)__exittext_end;  in is_kernel_exittext()
42 static __always_inline void *patch_map(void *addr, const unsigned int fixmap)  in patch_map()  argument
44 	uintptr_t uintaddr = (uintptr_t) addr;  in patch_map()
48 		page = phys_to_page(__pa_symbol(addr));  in patch_map()
50 		page = vmalloc_to_page(addr);  in patch_map()
52 		return addr;  in patch_map()
57 					 offset_in_page(addr));  in patch_map()
66 static int __patch_insn_set(void *addr, u8 c, size_t len)  in __patch_insn_set()  argument
68 	bool across_pages = (offset_in_page(addr) + len) > PAGE_SIZE;  in __patch_insn_set()
69 	void *waddr = addr;  in __patch_insn_set()
74 	if (len + offset_in_page(addr) > 2 * PAGE_SIZE)  in __patch_insn_set()
86 		patch_map(addr + PAGE_SIZE, FIX_TEXT_POKE1);  in __patch_insn_set()
88 	waddr = patch_map(addr, FIX_TEXT_POKE0);  in __patch_insn_set()
111 static int __patch_insn_write(void *addr, const void *insn, size_t len)  in __patch_insn_write()  argument
113 	bool across_pages = (offset_in_page(addr) + len) > PAGE_SIZE;  in __patch_insn_write()
114 	void *waddr = addr;  in __patch_insn_write()
120 	if (len + offset_in_page(addr) > 2 * PAGE_SIZE)  in __patch_insn_write()
140 		patch_map(addr + PAGE_SIZE, FIX_TEXT_POKE1);  in __patch_insn_write()
142 	waddr = patch_map(addr, FIX_TEXT_POKE0);  in __patch_insn_write()
165 static int __patch_insn_set(void *addr, u8 c, size_t len)  in __patch_insn_set()  argument
167 	memset(addr, c, len);  in __patch_insn_set()
173 static int __patch_insn_write(void *addr, const void *insn, size_t len)  in __patch_insn_write()  argument
175 	return copy_to_kernel_nofault(addr, insn, len);  in __patch_insn_write()
180 static int patch_insn_set(void *addr, u8 c, size_t len)  in patch_insn_set()  argument
190 		size = min(len, PAGE_SIZE * 2 - offset_in_page(addr));  in patch_insn_set()
191 		ret = __patch_insn_set(addr, c, size);  in patch_insn_set()
195 		addr += size;  in patch_insn_set()
203 int patch_text_set_nosync(void *addr, u8 c, size_t len)  in patch_text_set_nosync()  argument
207 	ret = patch_insn_set(addr, c, len);  in patch_text_set_nosync()
209 		flush_icache_range((uintptr_t)addr, (uintptr_t)addr + len);  in patch_text_set_nosync()
215 int patch_insn_write(void *addr, const void *insn, size_t len)  in patch_insn_write()  argument
225 		size = min(len, PAGE_SIZE * 2 - offset_in_page(addr));  in patch_insn_write()
226 		ret = __patch_insn_write(addr, insn, size);  in patch_insn_write()
230 		addr += size;  in patch_insn_write()
239 int patch_text_nosync(void *addr, const void *insns, size_t len)  in patch_text_nosync()  argument
243 	ret = patch_insn_write(addr, insns, len);  in patch_text_nosync()
245 		flush_icache_range((uintptr_t)addr, (uintptr_t)addr + len);  in patch_text_nosync()
257 		ret = patch_insn_write(patch->addr, patch->insns, patch->len);  in patch_text_cb()
277 int patch_text(void *addr, u32 *insns, size_t len)  in patch_text()  argument
281 		.addr = addr,  in patch_text()