From: Pekka Enberg <penberg@cs.helsinki.fi>
Date: Sat, 24 Apr 2010 06:57:38 +0000 (+0300)
Subject: kvm: Flush stdout for early printk
X-Git-Tag: next-20110824~3^2~528^2~152
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=1ba0f9c3f950691f75c7bcc28ba7293495b00df7;p=karo-tx-linux.git

kvm: Flush stdout for early printk

Make sure we flush stdout for early printk so that we can see what's really
going on when a kernel gets stuck.

Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
---

diff --git a/tools/kvm/early_printk.c b/tools/kvm/early_printk.c
index 49e58d452e87..02d9cc90ce70 100644
--- a/tools/kvm/early_printk.c
+++ b/tools/kvm/early_printk.c
@@ -15,7 +15,8 @@ static bool early_serial_txr_out(struct kvm *self, uint16_t port, void *data, in
 {
 	char *p = data;
 
-	printf("%c", *p);
+	fprintf(stderr, "%c", *p);
+	fflush(stderr);
 
 	return true;
 }