Andrew Morton wrote:
On Thu, 31 May 2007 13:58:26 -0700
Yinghai Lu <[email protected]> wrote:
[PATCH 2/5] console: console handover to preferred console
Signed-off-by: Yinghai Lu <[email protected]>
diff --git a/kernel/printk.c b/kernel/printk.c
index 0bbdeac..7b96cae 100644
--- a/kernel/printk.c
+++ b/kernel/printk.c
@@ -985,12 +1007,15 @@ void register_console(struct console *console)
if (!(console->flags & CON_ENABLED))
return;
- if (bootconsole) {
+ if (bootconsole && (console->flags & CON_CONSDEV)) {
printk(KERN_INFO "console handover: boot [%s%d] -> real [%s%d]\n",
bootconsole->name, bootconsole->index,
console->name, console->index);
unregister_console(bootconsole);
console->flags &= ~CON_PRINTBUFFER;
+ } else {
+ printk(KERN_INFO "console [%s%d] enabled\n",
+ console->name, console->index);
}
/*
What does this change do, and what is the reason for it??
for earlyprintk=ttyS0,9600 console=tty0 console=ttyS0,9600n8
the handover will happen from earlyser0 to tty0. but what we want is to ttyS0.
later with patch4,
console=tty0 console=uart8250,io,0x3f8,9600n8
will handover to ttyS0 instead of tty0.
Maybe can put above lines into commit log.
YH
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