kern/console: optimize interrupt handling

1 files changed, 12 insertions, 5 deletions

diff --git a/kern/console.c b/kern/console.c
index e8c0c28a..d7104e47 100644
--- a/kern/console.c
+++ b/kern/console.c
@@ -136,17 +136,24 @@ console_register(struct console *console)
 }
 
 void
-console_intr(struct console *console, char c)
+console_intr(struct console *console, const char *s)
 {
     assert(!cpu_intr_enabled());
 
+    if (*s == '\0') {
+        return;
+    }
+
     spinlock_lock(&console->lock);
 
-    if (cbuf_size(&console->recvbuf) == cbuf_capacity(&console->recvbuf)) {
-        goto out;
-    }
+    while (*s != '\0') {
+        if (cbuf_size(&console->recvbuf) == cbuf_capacity(&console->recvbuf)) {
+            goto out;
+        }
 
-    cbuf_push(&console->recvbuf, c);
+        cbuf_push(&console->recvbuf, *s);
+        s++;
+    }
 
     if ((console->waiter != NULL) && (console->waiter != thread_self())) {
         thread_wakeup(console->waiter);