- 07 May, 2007 40 commits
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Rusty Russell authored
We can use a gcc extension to ensure that ARRAY_SIZE() is handed an array, not a pointer. This is especially important when code is changed from a fixed array to a pointer. I assume the Intel compiler doesn't support __builtin_types_compatible_p. [jdike@addtoit.com: uml: update UML definition of ARRAY_SIZE] Signed-off-by:
Rusty Russell <rusty@rustcorp.com.au> Signed-off-by:
Jeff Dike <jdike@linux.intel.com> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Jeff Dike authored
This fixes a number of problems associated with network interface hotplug. The userspace initialization function can fail in some cases, but the failure was never passed back to eth_configure, which proceeded with the configuration. This results in a zombie device that is present, but can't work. This is fixed by allowing the initialization routines to return an error, which is checked, and the configuration aborted on failure. eth_configure failed to check for many failures. Even when it did check, it didn't undo whatever initializations has already happened, so a present, but partially initialized and non-working device could result. It now checks everything that can fail, and bails out, undoing whatever had been done. The return value of eth_configure was always ignored, so it is now just void. Signed-off-by:
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Andrew Morton authored
Cc: Jeff Dike <jdike@addtoit.com> Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Signed-off-by:
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Jeff Dike authored
Fix a bunch of formatting violations in the drivers: return(n) -> return n whitespace fixes emacs formatting comment removal breaking if(foo) return(n) into two lines There are also a couple of errno use bugs: using errno in a printk when the failure put errno into a local variable saving errno after a printk, which can change it Signed-off-by:
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Jeff Dike authored
If a disk fails to open, i.e. its host file doesn't exist, it won't be removable because the hot-unplug code checks the existence of its gendisk. This won't exist because it is only allocated for successfully opened disks. Thus, a typo on the command line can result in a unusable and unfixable disk. This is fixed by freeing the gendisk if it's there, but not letting that affect the removal. Signed-off-by:
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Jeff Dike authored
Print out core dump limits at boot time. This is to allow core dumps to be collected if something goes very wrong and to tell if a core dump isn't going to happen because of a resource limit. Signed-off-by:
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Jeff Dike authored
Mark some tt-mode-only code as such. Also cleaned up some formatting. Signed-off-by:
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Jeff Dike authored
Move the host_info string from util.c to um_arch.c, where it is actually initialized and used. Also document its lack of locking. Signed-off-by:
Jeff Dike <jdike@addtoit.com> Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Signed-off-by:
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Jeff Dike authored
Formatting fixes - style violations whitespace breakage emacs formatting comment removal Signed-off-by:
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Jeff Dike authored
Get rid of a bunch of unused stuff - cpu_feature had no users linux_prog is little-used, so its declaration is moved to the user for easy deletion when the whole file goes away a long-unused debugging aid in helper.c is gone Signed-off-by:
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Robert P. J. Day authored
Remove conditionals and code related to checking for a pre-2.2 kernel. Signed-off-by:
Robert P. J. Day <rpjday@mindspring.com> Signed-off-by:
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Cyrill Gorcunov authored
Add checking for allocated memory. Indents and spaces are added to be familiar with the kernel coding style. Signed-off-by:
Cyrill Gorcunov <gorcunov@gmail.com> Acked-by:
Mikael Starvik <starvik@axis.com> Signed-off-by:
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Robert P. J. Day authored
Signed-off-by:
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Milind Arun Choudhary authored
SPIN_LOCK_UNLOCKED cleanup,use __SPIN_LOCK_UNLOCKED instead Signed-off-by:
Milind Arun Choudhary <milindchoudhary@gmail.com> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Roman Zippel <zippel@linux-m68k.org> Signed-off-by:
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Robert P. J. Day authored
Signed-off-by:
Geert Uytterhoeven <geert@linux-m68k.org> Cc: Roman Zippel <zippel@linux-m68k.org> Signed-off-by:
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Rafael J. Wysocki authored
Move the definition of PAGES_FOR_IO to kernel/power/power.h and introduce SPARE_PAGES representing the number of pages that should be freed by the swsusp's memory shrinker in addition to PAGES_FOR_IO so that device drivers can allocate some memory (up to 1 MB total) in their .suspend() routines without causing the suspend to fail. Signed-off-by:
Rafael J. Wysocki <rjw@sisk.pl> Acked-by:
Pavel Machek <pavel@ucw.cz> Cc: Nigel Cunningham <nigel@nigel.suspend2.net> Signed-off-by:
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Rafael J. Wysocki authored
Remove the leftover enable_nonboot_cpus() from snapshot_release(). Signed-off-by:
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David Brownell authored
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:
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Johannes Berg authored
Change /sys/power/disk to display all valid modes as well as the currently selected one in a fashion known from the LED subsystem. This changes userspace API, but it is apparently not used much (we asked some userspace developers) Signed-off-by:
Johannes Berg <johannes@sipsolutions.net> Acked-by:
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Johannes Berg authored
Remove software_suspend() and all its users since pm_suspend(PM_SUSPEND_DISK) should be equivalent and there's no point in having two interfaces for the same thing. The patch also changes the valid_state function to return 0 (false) for PM_SUSPEND_DISK when SOFTWARE_SUSPEND is not configured instead of accepting it and having the whole thing fail later. Signed-off-by:
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Rafael J. Wysocki authored
Currently we can miss freeze_process()->signal_wake_up() in kswapd() if it happens between try_to_freeze() and prepare_to_wait(). To prevent this from happening we should check freezing(current) before calling schedule(). Signed-off-by:
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Rafael J. Wysocki authored
Make swsusp use extents instead of a bitmap to trace swap pages allocated for saving the image (the tracking is only needed in case there's an error, so that the allocated swap pages can be released). This should allow us to reduce the memory usage, practically always, and improve performance. Signed-off-by:
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Rafael J. Wysocki authored
Make handle_initrd() call try_to_freeze() in a suitable place instead of setting PF_NOFREEZE for the current task. Signed-off-by:
Nigel Cunningham <nigel@nigel.suspend2.net> Acked-by:
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Rafael J. Wysocki authored
Make swsusp call create_basic_memory_bitmaps() before processes are frozen, so that GFP_KERNEL allocations can be made in it. Additionally, ensure that the swsusp's userland interface won't be used while either pm_suspend_disk() or software_resume() is being executed. Signed-off-by:
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Rafael J. Wysocki authored
We forget to increase device_available if there's an error in snapshot_open(), so the snapshot device cannot be open at all after snapshot_open() has returned an error. Signed-off-by:
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Rafael J. Wysocki authored
Remove the two page flags that were previously used by swsusp and are no longer needed. Signed-off-by:
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Rafael J. Wysocki authored
Make swsusp use memory bitmaps instead of page flags for marking 'nosave' and free pages. This allows us to 'recycle' two page flags that can be used for other purposes. Also, the memory needed to store the bitmaps is allocated when necessary (ie. before the suspend) and freed after the resume which is more reasonable. The patch is designed to minimize the amount of changes and there are some nice simplifications and optimizations possible on top of it. I am going to implement them separately in the future. Signed-off-by:
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Rafael J. Wysocki authored
Replace direct invocations of SetPageNosave(), SetPageNosaveFree() etc. with calls to inline functions that can be changed in subsequent patches without modifying the code calling them. Signed-off-by:
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Oleg Nesterov authored
refrigerator() can miss a wakeup, "wait event" loop needs a proper memory ordering. Signed-off-by:
Oleg Nesterov <oleg@tv-sign.ru> Acked-by:
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Robert P. J. Day authored
Remove the apparently useless config option GENERIC_BUST_SPINLOCK, since nothing in the source tree refers to it. Signed-off-by:
Ian Molton <spyro@f2s.com> Signed-off-by:
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Andrew Morton authored
Fixes http://bugzilla.kernel.org/show_bug.cgi?id=8341 Cc: <matthias.kaehlcke@gmail.com> Cc: Richard Henderson <rth@twiddle.net> Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru> Signed-off-by:
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Ivan Kokshaysky authored
Files: include/asm-alpha/thread_info.h Provide "prctl" macros for ALPHA. Signed-off-by:
Jay Estabrook <jay.estabrook@hp.com> Signed-off-by:
Ivan Kokshaysky <ink@jurassic.park.msu.ru> Cc: Richard Henderson <rth@twiddle.net> Signed-off-by:
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Ivan Kokshaysky authored
Files: arch/alpha/boot/bootpz.c Create a dummy "__kmalloc()" to satisfy the loader; never called. arch/alpha/boot/tools/objstrip.c Remove an include that is now (2.6.x) unnecessary. Signed-off-by:
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Milind Arun Choudhary authored
ROUND_UP macro cleanup use ALIGN Signed-off-by:
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Yoshinori Sato authored
h8300 zImage target support. Signed-off-by:
Yoshinori Sato <ysato@users.sourceforge.jp> Signed-off-by:
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Yoshinori Sato authored
h8300 using generic irq handler patch. Signed-off-by:
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john stultz authored
Currently h8/300 does not implement sub-jiffy timekeeping, so there is no benefit to having arch specific timekeeping code. This patch simply removes those functions and enables the generic timekeeping code. Signed-off-by:
John Stultz <johnstul@us.ibm.com> Acked-by:
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Wu, Bryan authored
This patch implements the driver necessary use the Analog Devices Blackfin processor's SPI Port. Signed-off-by:
Bryan Wu <bryan.wu@analog.com> Cc: David Brownell <david-b@pacbell.net> Signed-off-by:
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Wu, Bryan authored
This patch implements the driver necessary use the Analog Devices Blackfin processor's on-chip RTC controller. Signed-off-by:
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Wu, Bryan authored
As SMC91X ethernet controller are used in blackfin STAMP 533 development board, this patch add blackfin support to the smc91x linux driver. Signed-off-by:
Jeff Garzik <jeff@garzik.org> Signed-off-by:
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