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* PM / Hibernate: Separate block_ioJiri Slaby2010-05-101-1/+2
| | | | | | | | Move block I/O operations to a separate file. It is because it will be used later not only by the swap writer. Signed-off-by: Jiri Slaby <jslaby@suse.cz> Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
* PM / Hibernate: Shift remaining code from swsusp.c to hibernate.cNigel Cunningham2009-12-061-1/+1
| | | | | | | | | Shift the remaining declaration of the variable in_suspend and the function swsusp_show_speed from swsusp.c to hibernate.c, and delete swsusp.c. Signed-off-by: Nigel Cunningham <nigel@tuxonice.net> Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
* PM/Hibernate: Move NVS routines into a seperate file (v2).Cornelia Huck2009-06-121-0/+1
| | | | | | | | | | | | | | | The *_nvs_* routines in swsusp.c make use of the io*map() functions, which are only provided for HAS_IOMEM, thus breaking compilation if HAS_IOMEM is not set. Fix this by moving the *_nvs_* routines into hibernate_nvs.c, which is only compiled if HAS_IOMEM is set. [rjw: Change the name of the new file to hibernate_nvs.c, add the license line to the header comment.] Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com> Acked-by: Pavel Machek <pavel@ucw.cz> Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
* PM/Hibernate: Rename disk.c to hibernate.cRafael J. Wysocki2009-06-121-1/+1
| | | | | | | | | | Change the name of kernel/power/disk.c to kernel/power/hibernate.c in analogy with the file names introduced by the changes that separated the suspend to RAM and standby funtionality from the common PM functions. Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Acked-by: Pavel Machek <pavel@ucw.cz>
* PM: Separate suspend to RAM functionality from coreRafael J. Wysocki2009-06-121-0/+2
| | | | | | | | | | | | Move the suspend to RAM and standby code from kernel/power/main.c to two separate files, kernel/power/suspend.c containing the basic functions and kernel/power/suspend_test.c containing the automatic suspend test facility based on the RTC clock alarm. There are no changes in functionality related to these modifications. Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Acked-by: Pavel Machek <pavel@ucw.cz>
* pm: fix build for CONFIG_PM unsetRafael J. Wysocki2009-02-181-1/+1
| | | | | | | | | | | | | Compilation of kprobes.c with CONFIG_PM unset is broken due to some broken config dependncies. Fix that. Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Reported-by: Ingo Molnar <mingo@elte.hu> Tested-by: Masami Hiramatsu <mhiramat@redhat.com> Cc: Len Brown <lenb@kernel.org> Acked-by: Pavel Machek <pavel@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* PM: Fix freezer compilation if PM_SLEEP is unsetRafael J. Wysocki2009-01-161-1/+2
| | | | | | | | | | | | | | | | | | | Freezer fails to compile if with the following configuration settings: CONFIG_CGROUPS=y CONFIG_CGROUP_FREEZER=y CONFIG_MODULES=y CONFIG_FREEZER=y CONFIG_PM=y CONFIG_PM_SLEEP=n Fix this by making process.o compilation depend on CONFIG_FREEZER. Reported-by: Cheng Renquan <crquan@gmail.com> Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Acked-by: Pavel Machek <pavel@suse.cz> Signed-off-by: Len Brown <len.brown@intel.com>
* PM: Remove legacy PMPavel Machek2008-04-151-1/+0
| | | | | | | | | | | | | | AFAICT pm_send_all is a nop when noone uses pm_register... Hmm.. can we just force CONFIG_PM_LEGACY=n, and see what happens? Or maybe this is better idea? It may break build somewhere, but it should be easy to fix... (it builds here, i386 and x86-64). Signed-off-by: Pavel Machek <pavel@suse.cz> Acked-by: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Signed-off-by: Len Brown <len.brown@intel.com>
* Introduce CONFIG_SUSPEND for suspend-to-Ram and standbyRafael J. Wysocki2007-07-291-1/+2
| | | | | | | | | | | | | | | | | | | | | | | | | Introduce CONFIG_SUSPEND representing the ability to enter system sleep states, such as the ACPI S3 state, and allow the user to choose SUSPEND and HIBERNATION independently of each other. Make HOTPLUG_CPU be selected automatically if SUSPEND or HIBERNATION has been chosen and the kernel is intended for SMP systems. Also, introduce CONFIG_PM_SLEEP which is automatically selected if CONFIG_SUSPEND or CONFIG_HIBERNATION is set and use it to select the code needed for both suspend and hibernation. The top-level power management headers and the ACPI code related to suspend and hibernation are modified to use the new definitions (the changes in drivers/acpi/sleep/main.c are, mostly, moving code to reduce the number of ifdefs). There are many other files in which CONFIG_PM can be replaced with CONFIG_PM_SLEEP or even with CONFIG_SUSPEND, but they can be updated in the future. Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Replace CONFIG_SOFTWARE_SUSPEND with CONFIG_HIBERNATIONRafael J. Wysocki2007-07-291-1/+1
| | | | | | | | | Replace CONFIG_SOFTWARE_SUSPEND with CONFIG_HIBERNATION to avoid confusion (among other things, with CONFIG_SUSPEND introduced in the next patch). Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* [PATCH] Disable CPU hotplug during suspendRafael J. Wysocki2006-09-261-2/+0
| | | | | | | | | | | | | | | | | | | The current suspend code has to be run on one CPU, so we use the CPU hotplug to take the non-boot CPUs offline on SMP machines. However, we should also make sure that these CPUs will not be enabled by someone else after we have disabled them. The functions disable_nonboot_cpus() and enable_nonboot_cpus() are moved to kernel/cpu.c, because they now refer to some stuff in there that should better be static. Also it's better if disable_nonboot_cpus() returns an error instead of panicking if something goes wrong, and enable_nonboot_cpus() has no reason to panic(), because the CPUs may have been enabled by the userland before it tries to take them online. Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Acked-by: Pavel Machek <pavel@ucw.cz> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] swsusp: userland interfaceRafael J. Wysocki2006-03-231-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | This patch introduces a user space interface for swsusp. The interface is based on a special character device, called the snapshot device, that allows user space processes to perform suspend and resume-related operations with the help of some ioctls and the read()/write() functions.  Additionally it allows these processes to allocate free swap pages from a selected swap partition, called the resume partition, so that they know which sectors of the resume partition are available to them. The interface uses the same low-level system memory snapshot-handling functions that are used by the built-it swap-writing/reading code of swsusp. The interface documentation is included in the patch. The patch assumes that the major and minor numbers of the snapshot device will be 10 (ie. misc device) and 231, the registration of which has already been requested. Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Acked-by: Pavel Machek <pavel@ucw.cz> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] swsusp: separate swap-writing/reading codeRafael J. Wysocki2006-03-231-1/+1
| | | | | | | | | Move the swap-writing/reading code of swsusp to a separate file. Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Acked-by: Pavel Machek <pavel@ucw.cz> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] move pm_register/etc. to CONFIG_PM_LEGACY, pm_legacy.hJeff Garzik2005-11-131-1/+2
| | | | | | | | Since few people need the support anymore, this moves the legacy pm_xxx functions to CONFIG_PM_LEGACY, and include/linux/pm_legacy.h. Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] swsusp: move snapshot functionality to separate fileRafael J. Wysocki2005-10-301-1/+1
| | | | | | | | | | | | | | | The following patch moves the functionality of swsusp related to creating and handling the snapshot of memory to a separate file, snapshot.c This should enable us to untangle the code in the future and eventually to implement some parts of swsusp.c in the user space. The patch does not change the code. Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Signed-off-by: Pavel Machek <pavel@suse.cz> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] suspend/resume SMP supportLi Shaohua2005-06-251-3/+3
| | | | | | | | | | Using CPU hotplug to support suspend/resume SMP. Both S3 and S4 use disable/enable_nonboot_cpus API. The S4 part is based on Pavel's original S4 SMP patch. Signed-off-by: Li Shaohua<shaohua.li@intel.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* Linux-2.6.12-rc2v2.6.12-rc2Linus Torvalds2005-04-161-0/+11
Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
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