add the 'goldfish' target, useful for experimenting with virtual phone hardware ...

[openwrt/svn-archive/archive.git] / target / linux / goldfish / patches-2.6.30 / 0058-sched-Enable-might_sleep-before-initializing-driver.patch

diff --git a/target/linux/goldfish/patches-2.6.30/0058-sched-Enable-might_sleep-before-initializing-driver.patch b/target/linux/goldfish/patches-2.6.30/0058-sched-Enable-might_sleep-before-initializing-driver.patch
new file mode 100644 (file)
index 0000000..126cac0
--- /dev/null
+++ b/target/linux/goldfish/patches-2.6.30/0058-sched-Enable-might_sleep-before-initializing-driver.patch
@@ -0,0 +1,43 @@
+From 10276fd993c6e4c92d8086a6ccd0c9e0ff53b053 Mon Sep 17 00:00:00 2001
+From: =?utf-8?q?Arve=20Hj=C3=B8nnev=C3=A5g?= <arve@android.com>
+Date: Wed, 10 Dec 2008 20:06:28 -0800
+Subject: [PATCH 058/134] sched: Enable might_sleep before initializing drivers.
+MIME-Version: 1.0
+Content-Type: text/plain; charset=utf-8
+Content-Transfer-Encoding: 8bit
+
+This allows detection of init bugs in built-in drivers.
+
+Signed-off-by: Arve Hjønnevåg <arve@android.com>
+---
+ kernel/sched.c |   14 ++++++++++++--
+ 1 files changed, 12 insertions(+), 2 deletions(-)
+
+--- a/kernel/sched.c
++++ b/kernel/sched.c
+@@ -9064,13 +9064,23 @@ void __init sched_init(void)
+ }
+ 
+ #ifdef CONFIG_DEBUG_SPINLOCK_SLEEP
++static int __might_sleep_init_called;
++int __init __might_sleep_init(void)
++{
++      __might_sleep_init_called = 1;
++      return 0;
++}
++early_initcall(__might_sleep_init);
++
+ void __might_sleep(char *file, int line)
+ {
+ #ifdef in_atomic
+       static unsigned long prev_jiffy;        /* ratelimiting */
+ 
+-      if ((!in_atomic() && !irqs_disabled()) ||
+-                  system_state != SYSTEM_RUNNING || oops_in_progress)
++      if ((!in_atomic() && !irqs_disabled()) || oops_in_progress)
++              return;
++      if (system_state != SYSTEM_RUNNING &&
++          (!__might_sleep_init_called || system_state != SYSTEM_BOOTING))
+               return;
+       if (time_before(jiffies, prev_jiffy + HZ) && prev_jiffy)
+               return;