direct-io.hg

view patches/linux-2.6.16.13/device_bind.patch @ 11522:1fae74cd3963

[POWERPC][XEN] Fix infinite loop caused by hdec storm

This was the cause of the periodic hang on secondary processors that has
been holding back the submission of the SMP patch.

Signed-off-by: Amos Waterland <apw@us.ibm.com>
Signed-off-by: Hollis Blanchard <hollisb@us.ibm.com>
author Jimi Xenidis <jimix@watson.ibm.com>
date Thu Sep 14 22:06:15 2006 -0400 (2006-09-14)
parents ad5b833122a8
children
line source
1 diff -pruN ../pristine-linux-2.6.16.13/drivers/base/bus.c ./drivers/base/bus.c
2 --- ../pristine-linux-2.6.16.13/drivers/base/bus.c 2006-05-02 22:38:44.000000000 +0100
3 +++ ./drivers/base/bus.c 2006-05-04 17:41:30.000000000 +0100
4 @@ -188,6 +188,11 @@ static ssize_t driver_bind(struct device
5 up(&dev->sem);
6 if (dev->parent)
7 up(&dev->parent->sem);
8 +
9 + if (err > 0) /* success */
10 + err = count;
11 + else if (err == 0) /* driver didn't accept device */
12 + err = -ENODEV;
13 }
14 put_device(dev);
15 put_bus(bus);