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kconfig: mention 'hibernation' not just swsusp 

Clarify that "software suspend" is what's called "hibernation" in most user
interfaces, shrinking a terminology gap.  (Examples include Gnome and
MS-Windows.)

Also provide a more succinct description of what it does, so you won't have
to read the whole novel in Kconfig; and highlights just why the lack of
BIOS requirements for swsusp are a big deal.

Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Acked-by: "Rafael J. Wysocki" <rjw@sisk.pl>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
David Brownell 2007-05-06 14:50:50 -07:00 committed by Linus Torvalds
parent f0ced9b229
commit a7ee2e5f5b
1 changed files with 8 additions and 3 deletions
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11
kernel/power/Kconfig
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@ -78,17 +78,22 @@ config PM_SYSFS_DEPRECATED
are likely to be bus or driver specific. are likely to be bus or driver specific.
config SOFTWARE_SUSPEND config SOFTWARE_SUSPEND
bool "Software Suspend" bool "Software Suspend (Hibernation)"
depends on PM && SWAP && ((X86 && (!SMP || SUSPEND_SMP)) || ((FRV || PPC32) && !SMP)) depends on PM && SWAP && ((X86 && (!SMP || SUSPEND_SMP)) || ((FRV || PPC32) && !SMP))
---help--- ---help---
Enable the suspend to disk (STD) functionality. Enable the suspend to disk (STD) functionality, which is usually
called "hibernation" in user interfaces. STD checkpoints the
system and powers it off; and restores that checkpoint on reboot.
You can suspend your machine with 'echo disk > /sys/power/state'. You can suspend your machine with 'echo disk > /sys/power/state'.
Alternatively, you can use the additional userland tools available Alternatively, you can use the additional userland tools available
from <http://suspend.sf.net>. from <http://suspend.sf.net>.
In principle it does not require ACPI or APM, although for example In principle it does not require ACPI or APM, although for example
ACPI will be used if available. ACPI will be used for the final steps when it is available. One
of the reasons to use software suspend is that the firmware hooks
for suspend states like suspend-to-RAM (STR) often don't work very
well with Linux.
It creates an image which is saved in your active swap. Upon the next It creates an image which is saved in your active swap. Upon the next
boot, pass the 'resume=/dev/swappartition' argument to the kernel to boot, pass the 'resume=/dev/swappartition' argument to the kernel to