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annotate sources/patches/linux-2.6.25-shutup.patch @ 772:7cb6ef2cdf10

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Busybox unstable currently needs this patch too.
author Rob Landley <rob@landley.net>
date Wed, 01 Jul 2009 18:02:44 -0500
parents 3901990724c5
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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370
3901990724c5 Prevent Linux kernel from getting all confused by qemu 0.9.1 serial behavior.
Rob Landley <rob@landley.net>
parents:
diff changeset
1 QEMU 0.9.1 keeps a constant stream of data coming into the IRQ as long as
3901990724c5 Prevent Linux kernel from getting all confused by qemu 0.9.1 serial behavior.
Rob Landley <rob@landley.net>
parents:
diff changeset
2 there's serial input. (Current svn has a rate limiter, but there hasn't
3901990724c5 Prevent Linux kernel from getting all confused by qemu 0.9.1 serial behavior.
Rob Landley <rob@landley.net>
parents:
diff changeset
3 been a release yet.) This makes Linux think the device has gone nuts, and
3901990724c5 Prevent Linux kernel from getting all confused by qemu 0.9.1 serial behavior.
Rob Landley <rob@landley.net>
parents:
diff changeset
4 it prints lots of spurious warnings. Make it shut up.
3901990724c5 Prevent Linux kernel from getting all confused by qemu 0.9.1 serial behavior.
Rob Landley <rob@landley.net>
parents:
diff changeset
5
3901990724c5 Prevent Linux kernel from getting all confused by qemu 0.9.1 serial behavior.
Rob Landley <rob@landley.net>
parents:
diff changeset
6 diff -r 1ec969ad38de drivers/serial/8250.c
3901990724c5 Prevent Linux kernel from getting all confused by qemu 0.9.1 serial behavior.
Rob Landley <rob@landley.net>
parents:
diff changeset
7 --- a/drivers/serial/8250.c Wed Jul 02 19:29:16 2008 -0700
3901990724c5 Prevent Linux kernel from getting all confused by qemu 0.9.1 serial behavior.
Rob Landley <rob@landley.net>
parents:
diff changeset
8 +++ b/drivers/serial/8250.c Sun Jul 06 18:12:09 2008 -0500
3901990724c5 Prevent Linux kernel from getting all confused by qemu 0.9.1 serial behavior.
Rob Landley <rob@landley.net>
parents:
diff changeset
9 @@ -1494,8 +1494,8 @@
3901990724c5 Prevent Linux kernel from getting all confused by qemu 0.9.1 serial behavior.
Rob Landley <rob@landley.net>
parents:
diff changeset
10
3901990724c5 Prevent Linux kernel from getting all confused by qemu 0.9.1 serial behavior.
Rob Landley <rob@landley.net>
parents:
diff changeset
11 if (l == i->head && pass_counter++ > PASS_LIMIT) {
3901990724c5 Prevent Linux kernel from getting all confused by qemu 0.9.1 serial behavior.
Rob Landley <rob@landley.net>
parents:
diff changeset
12 /* If we hit this, we're dead. */
3901990724c5 Prevent Linux kernel from getting all confused by qemu 0.9.1 serial behavior.
Rob Landley <rob@landley.net>
parents:
diff changeset
13 - printk(KERN_ERR "serial8250: too much work for "
3901990724c5 Prevent Linux kernel from getting all confused by qemu 0.9.1 serial behavior.
Rob Landley <rob@landley.net>
parents:
diff changeset
14 - "irq%d\n", irq);
3901990724c5 Prevent Linux kernel from getting all confused by qemu 0.9.1 serial behavior.
Rob Landley <rob@landley.net>
parents:
diff changeset
15 +// printk(KERN_ERR "serial8250: too much work for "
3901990724c5 Prevent Linux kernel from getting all confused by qemu 0.9.1 serial behavior.
Rob Landley <rob@landley.net>
parents:
diff changeset
16 +// "irq%d\n", irq);
3901990724c5 Prevent Linux kernel from getting all confused by qemu 0.9.1 serial behavior.
Rob Landley <rob@landley.net>
parents:
diff changeset
17 break;
3901990724c5 Prevent Linux kernel from getting all confused by qemu 0.9.1 serial behavior.
Rob Landley <rob@landley.net>
parents:
diff changeset
18 }
3901990724c5 Prevent Linux kernel from getting all confused by qemu 0.9.1 serial behavior.
Rob Landley <rob@landley.net>
parents:
diff changeset
19 } while (l != end);