diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c
index e3d977bbc7ab..b4d26388bc62 100644
--- a/kernel/printk/printk.c
+++ b/kernel/printk/printk.c
@@ -585,7 +585,7 @@ static u32 truncate_msg(u16 *text_len, u16 *trunc_msg_len,
 }
 
 /* insert record into the buffer, discard old ones, update heads */
-static int log_store(int facility, int level,
+static int log_store(u32 caller_id, int facility, int level,
 		     enum log_flags flags, u64 ts_nsec,
 		     const char *dict, u16 dict_len,
 		     const char *text, u16 text_len)
@@ -634,10 +634,7 @@ static int log_store(int facility, int level,
 	else
 		msg->ts_nsec = local_clock();
 #ifdef CONFIG_PRINTK_CALLER
-	if (in_task())
-		msg->caller_id = task_pid_nr(current);
-	else
-		msg->caller_id = 0x80000000 + raw_smp_processor_id();
+	msg->caller_id = caller_id;
 #endif
 	memset(log_dict(msg) + dict_len, 0, pad_len);
 	msg->len = size;
@@ -1800,6 +1797,12 @@ static inline void printk_delay(void)
 	}
 }
 
+static inline u32 printk_caller_id(void)
+{
+	return in_task() ? task_pid_nr(current) :
+		0x80000000 + raw_smp_processor_id();
+}
+
 /*
  * Continuation lines are buffered, and not committed to the record buffer
  * until the line is complete, or a race forces it. The line fragments
@@ -1809,7 +1812,7 @@ static inline void printk_delay(void)
 static struct cont {
 	char buf[LOG_LINE_MAX];
 	size_t len;			/* length == 0 means unused buffer */
-	struct task_struct *owner;	/* task of first print*/
+	u32 caller_id;			/* printk_caller_id() of first print */
 	u64 ts_nsec;			/* time of first print */
 	u8 level;			/* log level of first message */
 	u8 facility;			/* log facility of first message */
@@ -1821,12 +1824,13 @@ static void cont_flush(void)
 	if (cont.len == 0)
 		return;
 
-	log_store(cont.facility, cont.level, cont.flags, cont.ts_nsec,
-		  NULL, 0, cont.buf, cont.len);
+	log_store(cont.caller_id, cont.facility, cont.level, cont.flags,
+		  cont.ts_nsec, NULL, 0, cont.buf, cont.len);
 	cont.len = 0;
 }
 
-static bool cont_add(int facility, int level, enum log_flags flags, const char *text, size_t len)
+static bool cont_add(u32 caller_id, int facility, int level,
+		     enum log_flags flags, const char *text, size_t len)
 {
 	/* If the line gets too long, split it up in separate records. */
 	if (cont.len + len > sizeof(cont.buf)) {
@@ -1837,7 +1841,7 @@ static bool cont_add(int facility, int level, enum log_flags flags, const char *
 	if (!cont.len) {
 		cont.facility = facility;
 		cont.level = level;
-		cont.owner = current;
+		cont.caller_id = caller_id;
 		cont.ts_nsec = local_clock();
 		cont.flags = flags;
 	}
@@ -1857,13 +1861,15 @@ static bool cont_add(int facility, int level, enum log_flags flags, const char *
 
 static size_t log_output(int facility, int level, enum log_flags lflags, const char *dict, size_t dictlen, char *text, size_t text_len)
 {
+	const u32 caller_id = printk_caller_id();
+
 	/*
 	 * If an earlier line was buffered, and we're a continuation
-	 * write from the same process, try to add it to the buffer.
+	 * write from the same context, try to add it to the buffer.
 	 */
 	if (cont.len) {
-		if (cont.owner == current && (lflags & LOG_CONT)) {
-			if (cont_add(facility, level, lflags, text, text_len))
+		if (cont.caller_id == caller_id && (lflags & LOG_CONT)) {
+			if (cont_add(caller_id, facility, level, lflags, text, text_len))
 				return text_len;
 		}
 		/* Otherwise, make sure it's flushed */
@@ -1876,12 +1882,13 @@ static size_t log_output(int facility, int level, enum log_flags lflags, const c
 
 	/* If it doesn't end in a newline, try to buffer the current line */
 	if (!(lflags & LOG_NEWLINE)) {
-		if (cont_add(facility, level, lflags, text, text_len))
+		if (cont_add(caller_id, facility, level, lflags, text, text_len))
 			return text_len;
 	}
 
 	/* Store it in the record log */
-	return log_store(facility, level, lflags, 0, dict, dictlen, text, text_len);
+	return log_store(caller_id, facility, level, lflags, 0,
+			 dict, dictlen, text, text_len);
 }
 
 /* Must be called under logbuf_lock. */