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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2012-01-23 15:11:27 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-01-23 15:11:27 -0800 |
| commit | ac1e3d4f5c1097422c6e72aeae322033e9a8c803 (patch) | |
| tree | adcebdad5f515a8453bfe48940822f57a6904c9d /Documentation | |
| parent | eaed435a7b870a38d89dbdb535c7842d618d3214 (diff) | |
| parent | e4c89a508f4385a0cd8681c2749a2cd2fa476e40 (diff) | |
| download | lwn-ac1e3d4f5c1097422c6e72aeae322033e9a8c803.tar.gz lwn-ac1e3d4f5c1097422c6e72aeae322033e9a8c803.zip | |
Merge tag 'pm-fixes-for-3.3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Power management fixes for 3.3
Two fixes for regressions introduced during the merge window, one fix for
a long-standing obscure issue in the computation of hibernate image size
and two small PM documentation fixes.
* tag 'pm-fixes-for-3.3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
PM / Sleep: Fix read_unlock_usermodehelper() call.
PM / Hibernate: Rewrite unlock_system_sleep() to fix s2disk regression
PM / Hibernate: Correct additional pages number calculation
PM / Documentation: Fix minor issue in freezing_of_tasks.txt
PM / Documentation: Fix spelling mistake in basic-pm-debugging.txt
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/power/basic-pm-debugging.txt | 2 | ||||
| -rw-r--r-- | Documentation/power/freezing-of-tasks.txt | 8 |
2 files changed, 5 insertions, 5 deletions
diff --git a/Documentation/power/basic-pm-debugging.txt b/Documentation/power/basic-pm-debugging.txt index 40a4c65f380a..262acf56fa79 100644 --- a/Documentation/power/basic-pm-debugging.txt +++ b/Documentation/power/basic-pm-debugging.txt @@ -15,7 +15,7 @@ test at least a couple of times in a row for confidence. [This is necessary, because some problems only show up on a second attempt at suspending and resuming the system.] Moreover, hibernating in the "reboot" and "shutdown" modes causes the PM core to skip some platform-related callbacks which on ACPI -systems might be necessary to make hibernation work. Thus, if you machine fails +systems might be necessary to make hibernation work. Thus, if your machine fails to hibernate or resume in the "reboot" mode, you should try the "platform" mode: # echo platform > /sys/power/disk diff --git a/Documentation/power/freezing-of-tasks.txt b/Documentation/power/freezing-of-tasks.txt index 6ccb68f68da6..ebd7490ef1df 100644 --- a/Documentation/power/freezing-of-tasks.txt +++ b/Documentation/power/freezing-of-tasks.txt @@ -120,10 +120,10 @@ So in practice, the 'at all' may become a 'why freeze kernel threads?' and freezing user threads I don't find really objectionable." Still, there are kernel threads that may want to be freezable. For example, if -a kernel that belongs to a device driver accesses the device directly, it in -principle needs to know when the device is suspended, so that it doesn't try to -access it at that time. However, if the kernel thread is freezable, it will be -frozen before the driver's .suspend() callback is executed and it will be +a kernel thread that belongs to a device driver accesses the device directly, it +in principle needs to know when the device is suspended, so that it doesn't try +to access it at that time. However, if the kernel thread is freezable, it will +be frozen before the driver's .suspend() callback is executed and it will be thawed after the driver's .resume() callback has run, so it won't be accessing the device while it's suspended. |