x86/alternatives: Rename 'text_poke_flush()' to 'smp_text_poke_batch_flush()'

This name is actually actively confusing, because the simple text_poke*()
APIs use MM-switching based code patching, while text_poke_flush()
is part of the INT3 based text_poke_int3_*() machinery that is an
additional layer of functionality on top of regular text_poke*() functionality.

Rename it to smp_text_poke_batch_flush() to make it clear which layer
it belongs to.

Signed-off-by: Ingo Molnar <[e-mail]>
Cc: Juergen Gross <[e-mail]>
Cc: "H . Peter Anvin" <[e-mail]>
Cc: Linus Torvalds <[e-mail]>
Cc: Peter Zijlstra <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]

arch/x86/kernel/alternative.c

···
 	return false;
 }
 
-static void text_poke_flush(void *addr)
+static void smp_text_poke_batch_flush(void *addr)
 {
 	if (tp_vec_nr == TP_VEC_MAX || tp_order_fail(addr)) {
 		smp_text_poke_batch_process(tp_vec, tp_vec_nr);
···
 
 void text_poke_finish(void)
 {
-	text_poke_flush(NULL);
+	smp_text_poke_batch_flush(NULL);
 }
 
 void __ref text_poke_queue(void *addr, const void *opcode, size_t len, const void *emulate)
 {
 	struct text_poke_loc *tp;
 
-	text_poke_flush(addr);
+	smp_text_poke_batch_flush(addr);
 
 	tp = &tp_vec[tp_vec_nr++];
 	text_poke_loc_init(tp, addr, opcode, len, emulate);