- 06 Jan, 2006 40 commits
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Jeff Dike authored
Some structure fields were being dynamically initialized when they could be initialized at compile-time instead. This also makes some declarations static (in the C sense). Signed-off-by:
Jeff Dike <jdike@addtoit.com> Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Signed-off-by:
Andrew Morton <akpm@osdl.org> Signed-off-by:
Linus Torvalds <torvalds@osdl.org>
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Jeff Dike authored
A bit of restructuring which eliminates the all_allowed argument (which is mconsole-specific) to line_setup. That logic is moved to the mconsole callback. Signed-off-by:
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Jeff Dike authored
This removes a structure field which turned out to be pointless, and references to it. Signed-off-by:
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Jeff Dike authored
This patch replaces instances of "sizeof(foo)/sizeof(foo[0])" with ARRAY_SIZE(foo), which expands to the same thing. Signed-off-by:
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Jeff Dike authored
This patch makes a bunch of non-functional changes - return(foo); becomes return foo; some statements are broken across lines for readability some trailing whitespace is cleaned up open_one_chan took four arguments, three of which could be deduced from the first. Accordingly, they were eliminated. some examples of "} else {" had a newline added some whitespace cleanup in the indentation lines_init got some control flow cleanup some long lines were broken removed another emacs-specific C formatting comment Signed-off-by: -
Jeff Dike authored
There are a few functions which are declared to return something, but don't. These are actually infinite loops which are forced to be declared as non-void. This makes them all return 0. Signed-off-by:
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Jeff Dike authored
There were a bunch of calls to uml_strdup dating from before kstrdup was introduced. This changes those calls. It doesn't eliminate the definition since there is still a couple of calls in userspace code (which should probably call the libc strdup). Signed-off-by:
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Alexey Dobriyan authored
Doesn't make much sense and unused. Signed-off-by:
Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by:
Adrian Bunk <bunk@stusta.de> Cc: Mikael Starvik <starvik@axis.com> Signed-off-by:
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Christoph Hellwig authored
m68k, m68knommu and h8300 define this, but it's not actually used anywhere. Signed-off-by:
Christoph Hellwig <hch@lst.de> Cc: Greg Ungerer <gerg@uclinux.org> Signed-off-by:
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Christoph Hellwig authored
mach_enable_irq/mach_disable_irq are never actually set, so let's remove them. Signed-off-by:
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Hirokazu Takata authored
This patch removes unnecessary struct icu_data_t definitions of arch/m32r/kernel/setup_*.c. Signed-off-by:
Hayato Fujiwara <fujiwara@linux-m32r.org> Signed-off-by:
Hirokazu Takata <takata@linux-m32r.org> Signed-off-by:
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Hirokazu Takata authored
This patch fixes cache memory parameter setting for the M32104 target. So far, its performance seemed to have been degraded due to incorrect cache parameter setting. * arch/m32r/boot/setup.S: Set SFR(Special Fuction Registers) region to be non-cachable explicitly. * arch/m32r/mm/cache.c: Fix cache flushing routines not to switch off the M32104 cache. Signed-off-by: -
Hirokazu Takata authored
Modify _port2addr*() routines in arch/m32r/kernel/io_*.c to use NONCACHE_OFFSET instead of hard-coding of a constant address. This modification is also required to support an M3A-ZA36 FPGA eva board in case an MMU-less synthesizable m32r core is used. Signed-off-by:
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Hirokazu Takata authored
This patch is for updating m32r's MMU-less support. Some legacy MMU-less m32r chips cannot return from a trap handler to the right-hand side 16-bit halfword code of a 32-bit instrucion code pair, because a "trap" instruction specification was expanded in M32R-II ISA. This modification forces "trap" instructions to be placed in word alignment location with a parallel "nop" code. Signed-off-by:
Kazuhiro Inaoka <inaoka@linux-m32r.org> Signed-off-by:
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Hirokazu Takata authored
This patch is for supporting a new target platform, Renesas M32104UT evaluation board. The M32104UT is an eval board based on an uT-Engine specification. This board has an MMU-less M32R family processor, M32104. http://www-wa0.personal-media.co.jp/pmc/archive/te/te_m32104_e.pdf This board is one of the most popular M32R platform, so we have ported Linux/M32R to it. Signed-off-by:
Naoto Sugai <Sugai.Naoto@ak.MitsubishiElectric.co.jp> Signed-off-by:
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Hirokazu Takata authored
A trivial fix to remove unused instructions. Signed-off-by:
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Dave Jones authored
We had a report from one loony user who tried out suspend to disk using a swap partition on a firewire drive. As the firewire thread was put to sleep it didn't work out too well. Signed-off-by:
Dave Jones <davej@redhat.com> Cc: Pavel Machek <pavel@ucw.cz> Cc: Ben Collins <bcollins@debian.org> Cc: Jody McIntyre <scjody@modernduck.com> Signed-off-by:
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Rafael J. Wysocki authored
This makes the swsusp_info structure become the header of the image in the literal sense (ie. it is saved to the swap and read before any other image data with the help of the swsusp's swap map structure, so generally it is treated in the same way as the rest of the image). The main thing it does is to make swsusp_header contain the offset of the swap map used to track the image data pages rather than the offset of swsusp_info. Simultaneously, swsusp_info becomes the first image page written to the swap. The other changes are generally consequences of the above with a few exceptions (there's some consolidation in the image reading part as a few functions turn into trivial wrappers around something else). Signed-off-by:
Rafael J. Wysocki <rjw@sisk.pl> Acked-by:
Pavel Machek <pavel@suse.cz> Signed-off-by:
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Rafael J. Wysocki authored
This changes the handling of swap partitions by swsusp to avoid locking of the swap devices that are not used for suspend and, consequently, simplifies the code. Signed-off-by:
Pavel Machek <pavel@ucw.cz> Signed-off-by:
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Rafael J. Wysocki authored
This adds the function get_swap_page_of_type() allowing us to specify an index in swap_info[] and select a swap_info_struct structure to be used for allocating a swap page. This function (or another one of similar functionality) will be necessary for implementing the image-writing part of swsusp in the user space. It can also be used for simplifying the current in-kernel implementation of the image-writing part of swsusp. Signed-off-by:
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Rafael J. Wysocki authored
Make the suspend image size limit tunable via /sys/power/image_size. It is necessary for systems on which there is a limited amount of swap available for suspend. It can also be useful for optimizing performance of swsusp on systems with 1 GB of RAM or more. Signed-off-by:
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Rafael J. Wysocki authored
Limit the size of the suspend image to approx. 500 MB, which should improve the overall performance of swsusp on systems with more than 1 GB of RAM. It introduces the constant IMAGE_SIZE that can be set to the preferred size of the image (in MB) and modifies the memory-shrinking part of swsusp to take this constant into account (500 is the default value of IMAGE_SIZE). Signed-off-by:
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Pavel Machek authored
These two prototypes are already present in sched.h, remove duplicate version. Signed-off-by:
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Patrick Mochel authored
This change removes the old, deprecated interface from the opl3sa2 driver, including the pm_{,un}register() calls, the local storage of the pmdev object and the reference to the old header files. This change is done to assist in eradicating the users of the legacy interface so as to help facilitate the removal of the interface itself. Signed-off-by:Patrick Mochel <mochel@linux.intel.com> Signed-off-by:
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Patrick Mochel authored
This change removes the old, deprecated interface from the nm256 driver, including the pm_{,un}register() calls, the local storage of the pmdev object and the reference to the old header files. This change is done to assist in eradicating the users of the legacy interface so as to help facilitate the removal of the interface itself. Note that this driver has been obsoleted by an ALSA equivalent. Signed-off-by: -
Patrick Mochel authored
This change removes the old, deprecated interface from the maestro driver, including the pm_{,un}register() calls, the local storage of the pmdev object and the reference to the old header files. This change is done to assist in eradicating the users of the legacy interface so as to help facilitate the removal of the interface itself. The check_suspend() function and associated logic was not removed, even though it is now unnecessary. Note that this driver has been obsoleted by an ALSA equivalent. Acked-by:Zach Brown <zab@zabbo.net> Signed-off-by:
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Patrick Mochel authored
This change removes the old, deprecated interface from the cs46xx driver, including the pm_{,un}register() calls, the local storage of the pmdev object and the reference to the old header files. This change is done to assist in eradicating the users of the legacy interface so as to help facilitate the removal of the interface itself. Note this driver has PCI PM hooks which are set properly. It also has the ability to trigger suspend/resume from an ioctl. This functionality was not touched, though it could use a serious review if this driver continues to persist in the mainline tree.. Note that this driver has been obsoleted by an ALSA equivalent. Signed-off-by: -
Patrick Mochel authored
This change removes the old, deprecated interface from the cs4281 driver, including the pm_{,un}register() calls, the local storage of the pmdev object and the reference to the old header files. This change is done to assist in eradicating the users of the legacy interface so as to help facilitate the removal of the interface itself. Note that this driver has been obsoleted by an ALSA equivalent. Note that this driver has hooks for PCI power management, but does not implement the ->suspend()/->resume() methods. Signed-off-by: -
Patrick Mochel authored
This change removes the old, deprecated interface from the ad1848 driver, including the pm_{,un}register() calls, the local storage of the pmdev object and the reference to the old header files. This change is done to assist in eradicating the users of the legacy interface so as to help facilitate the removal of the interface itself. Signed-off-by: -
Rafael J. Wysocki authored
This patch fixes a problem with the function enough_free_mem() used by swsusp to verify if there is a sufficient number of memory pages available to it to create and save the suspend image. Namely, enough_free_mem() uses nr_free_pages() to obtain the number of free memory pages, which is incorrect, because this function returns the total number of free pages, including free highmem pages, and the highmem pages cannot be used by swsusp for storing the image data. The patch makes enough_free_mem() avoid counting the free highmem pages as available to swsusp. Signed-off-by:
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Rafael J. Wysocki authored
This patch makes swsusp free only as much memory as needed to complete the suspend and not as much as possible. In the most of cases this should speed up the suspend and make the system much more responsive after resume, especially if a GUI (eg. X Windows) is used. If needed, the old behavior (ie to free as much memory as possible during suspend) can be restored by unsetting FAST_FREE in power.h Signed-off-by:
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Rafael J. Wysocki authored
This patch introduces the swap map structure that can be used by swsusp for keeping tracks of data pages written to the swap. The structure itself is described in a comment within the patch. The overall idea is to reduce the amount of metadata written to the swap and to write and read the image pages sequentially, in a file-alike way. This makes the swap-handling part of swsusp fairly independent of its snapshot-handling part and will hopefully allow us to completely separate these two parts in the future. This patch is needed to remove the suspend image size limit imposed by the limited size of the swsusp_info structure, which is essential for x86-64 systems with more than 512 MB of RAM. Signed-off-by:
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Rafael J. Wysocki authored
This patch removes the image encryption that is only used by swsusp instead of zeroing the image after resume in order to prevent someone from reading some confidential data from it in the future and it does not protect the image from being read by an unauthorized person before resume. The functionality it provides should really belong to the user space and will possibly be reimplemented after the swap-handling functionality of swsusp is moved to the user space. Signed-off-by:
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Ivan Kokshaysky authored
Kconfig tweaks and tons of deletions. Signed-off-by:
Ivan Kokshaysky <ink@jurassic.park.msu.ru> Cc: Christoph Hellwig <hch@lst.de> Cc: Richard Henderson <rth@twiddle.net> Signed-off-by:
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Ivan Kokshaysky authored
Thanks to Christoph for doing most of the work. This allows automatic SMP IRQ affinity assignment other than default "all interrupts on all CPUs" which is rather expensive. This might be useful if the hardware can be programmed to distribute interrupts among different CPUs, like Alpha does. Signed-off-by:
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Shaohua Li authored
With physical CPU hotplug, the CPU is hot removed and it should not receive any interrupts. Disabling interrupt is much safer. This basically is what we do in ia64 & x86. Signed-off-by:
Shaohua Li <shaohua.li@intel.com> Cc: Andi Kleen <ak@muc.de> Signed-off-by:
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Ben Collins authored
Signed-off-by:
Ben Collins <bcollins@ubuntu.com> Signed-off-by:
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Vivek Goyal authored
o Currently, during kexec reboot, IOAPIC is re-programmed back to virtual wire mode if there was an i8259 connected to it. This enables getting timer interrupts in second kernel in legacy mode. o After putting into virtual wire mode, IOAPIC delivers the i8259 interrupts to CPU0. This works well for kexec but not for kdump as we might crash on a different CPU and second kernel will not see timer interrupts. o This patch modifies the redirection table entry to deliver the timer interrupts to the cpu we are rebooting (instead of hardcoding to zero). This ensures that second kernel receives timer interrupts even on a non-boot cpu. Signed-off-by:
Vivek Goyal <vgoyal@in.ibm.com> Cc: Andi Kleen <ak@muc.de> Cc: "Seth, Rohit" <rohit.seth@intel.com> Signed-off-by:
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Brian Gerst authored
GCC 4.1 gives the following warning: include/asm/mpspec.h:79: warning: `packed' attribute ignored for field of type `unsigned char' The packed attribute isn't really necessary anyways so just remove it. Signed-off-by:
Brian Gerst <bgerst@didntduck.org> Acked-by:
Dave Jones <davej@codemonkey.org.uk> Cc: Andi Kleen <ak@muc.de> Signed-off-by:
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Larry Finger authored
When we re-calibrate the frequency, it is likely that an interrupt (as for example the main system clock) will be triggered by the system. Therefore the calibration may not be accurate. This will also provide a fix to bug #5266. Many thanks to Larry Finger for helping resolving this issue. Signed-off-by:
Bruno Ducrot <ducrot@poupinou.org> Cc: john stultz <johnstul@us.ibm.com> Cc: Dave Jones <davej@codemonkey.org.uk> Signed-off-by:
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