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 		phys = __pa_symbol(addr);  in patch_map()
50 		struct page *page = vmalloc_to_page(addr);  in patch_map()
53 		phys = page_to_phys(page) + offset_in_page(addr);  in patch_map()
55 		return addr;  in patch_map()
67 static int __patch_insn_set(void *addr, u8 c, size_t len)  in __patch_insn_set()  argument
69 	bool across_pages = (offset_in_page(addr) + len) > PAGE_SIZE;  in __patch_insn_set()
70 	void *waddr = addr;  in __patch_insn_set()
75 	if (len + offset_in_page(addr) > 2 * PAGE_SIZE)  in __patch_insn_set()
87 		patch_map(addr + PAGE_SIZE, FIX_TEXT_POKE1);  in __patch_insn_set()
89 	waddr = patch_map(addr, FIX_TEXT_POKE0);  in __patch_insn_set()
112 static int __patch_insn_write(void *addr, const void *insn, size_t len)  in __patch_insn_write()  argument
114 	bool across_pages = (offset_in_page(addr) + len) > PAGE_SIZE;  in __patch_insn_write()
115 	void *waddr = addr;  in __patch_insn_write()
121 	if (len + offset_in_page(addr) > 2 * PAGE_SIZE)  in __patch_insn_write()
141 		patch_map(addr + PAGE_SIZE, FIX_TEXT_POKE1);  in __patch_insn_write()
143 	waddr = patch_map(addr, FIX_TEXT_POKE0);  in __patch_insn_write()
166 static int __patch_insn_set(void *addr, u8 c, size_t len)  in __patch_insn_set()  argument
168 	memset(addr, c, len);  in __patch_insn_set()
174 static int __patch_insn_write(void *addr, const void *insn, size_t len)  in __patch_insn_write()  argument
176 	return copy_to_kernel_nofault(addr, insn, len);  in __patch_insn_write()
181 static int patch_insn_set(void *addr, u8 c, size_t len)  in patch_insn_set()  argument
191 		size = min(len, PAGE_SIZE * 2 - offset_in_page(addr));  in patch_insn_set()
192 		ret = __patch_insn_set(addr, c, size);  in patch_insn_set()
196 		addr += size;  in patch_insn_set()
204 int patch_text_set_nosync(void *addr, u8 c, size_t len)  in patch_text_set_nosync()  argument
208 	ret = patch_insn_set(addr, c, len);  in patch_text_set_nosync()
210 		flush_icache_range((uintptr_t)addr, (uintptr_t)addr + len);  in patch_text_set_nosync()
216 int patch_insn_write(void *addr, const void *insn, size_t len)  in patch_insn_write()  argument
226 		size = min(len, PAGE_SIZE * 2 - offset_in_page(addr));  in patch_insn_write()
227 		ret = __patch_insn_write(addr, insn, size);  in patch_insn_write()
231 		addr += size;  in patch_insn_write()
240 int patch_text_nosync(void *addr, const void *insns, size_t len)  in patch_text_nosync()  argument
244 	ret = patch_insn_write(addr, insns, len);  in patch_text_nosync()
246 		flush_icache_range((uintptr_t)addr, (uintptr_t)addr + len);  in patch_text_nosync()
258 		ret = patch_insn_write(patch->addr, patch->insns, patch->len);  in patch_text_cb()
278 int patch_text(void *addr, u32 *insns, size_t len)  in patch_text()  argument
282 		.addr = addr,  in patch_text()