- 06 Jan, 2006 40 commits
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Jeff Dike authored
Fix up some bogus spacing in the mconsole driver. Also delete the emacs formatting comment at the end. 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
Pass sysrq output back to the mconsole client using the mechanism introduced for stack output. Signed-off-by:
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Jeff Dike authored
The stack command now sends the printk output back to the mconsole client. This is done by registering a special console for the mconsole driver. This receives all printk output. Normally, it is ignored, but when a stack command is issued, any printk output will be sent back to the client. This will capture any printk output, whether it is stack output or not, since we can't tell the difference. Signed-off-by:
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Jeff Dike authored
This is needed for the console output patch, since we have a possibly non-NULL-terminated string there. So, the new interface takes a string and a length, and the old interface calls strlen on its string and calls the new interface with the length. There's also a bit of whitespace cleanup. Signed-off-by:
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Jeff Dike authored
Produce a compile-time error if both MODE_SKAS and MODE_TT are disabled. Signed-off-by:
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Jeff Dike authored
Code cleanup - unregister_winch and winch_cleanup had some duplicate code. This is now abstracted out into free_winch. Signed-off-by:
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Jeff Dike authored
This patch cleans up the umid code: - The only_if_set argument to get_umid is gone. - get_umid returns an empty string rather than NULL if there is no umid. - umid_is_random is gone since its users went away. - Some printfs were turned into printks because the code runs late enough that printk is working. - Error paths were cleaned up. - Some functions now return an error and let the caller print the error message rather than printing it themselves. This eliminates the practice of passing a pointer to printf or printk in, depending on where in the boot process we are. - Major tidying of not_dead_yet - mostly error path cleanup, plus a comment explaining why it doesn't react to errors the way you might expect. - Calls to os_* interfaces that were moved under os are changed back to their native libc forms. - snprintf, strlcpy, and their bounds-checking friends are used more often, replacing by-hand bounds checking in some places. Signed-off-by:
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Jeff Dike authored
I reworked Gennady's umid OS abstraction patch because the code shouldn't be moved entirely to os. As it turns out, I moved most of it anyway. This patch is the minimal one needed to move the code and have it work. It turns out that the concept of the umid is OS-independent, but almost everything else about the implementation is OS-dependent. This is code movement without cleanup - a follow-on patch tidies everything up without shuffling code around. Signed-off-by:
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Jeff Dike authored
This patch adds support for throttling and unthrottling input when the tty driver can't handle it. Signed-off-by:
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Jeff Dike authored
When the tty flip_buf is full, it's a good idea to delay the input processing for a jiffy, rather than just scheduling the tasklet immediately. Signed-off-by:
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Jeff Dike authored
This patch simplifies the opening and closing of host console devices and the registration and deregistration of IRQs. The intent is to make it obvious that an IRQ can't exist without an open file descriptor. chan_enable will now open the channel, and when both opening and IRQ registration are desired, this should be used. Opening only is done for the initial console, so that interface still needs to exist. The free_irqs_later interface is now gone. It was intended to avoid freeing an IRQ while it was being processed. It did this, but it didn't eliminate the possiblity of free_irq being called from an interrupt, which is bad. In its place is a list of irqs to be freed, which is processed by the signal handler just before exiting. close_one_chan now disables irqs. When a host device disappears, it is just closed, and that disables IRQs. The device id registered with the IRQ is now the chan structure, not the tty. This is because the interrupt arrives on a descriptor associated with the channel. This caused equivalent changes in the arguments to line_timer_cb. line_disable is gone since it is not used any more. The count field in the line structure is gone. tty->count is used instead. The complicated logic in sigio_handler with freeing IRQs when necessary and making sure its idea of the next irq is correct is now much simpler. The irq list can't be rearranged underneath it, so it is now a simple list walk. Signed-off-by:
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Jeff Dike authored
This patch changes when console devices are configured in order to prepare the ground for the next patch. parse_chan_pair is now done earlier, when initcalls are run, rather than when the device is opened. When a host device disappears, the channel list is closed, but not freed. This is required by the previous change. line_config now takes the options structure as an argument, and line_open doesn't. Signed-off-by:
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Jeff Dike authored
line_setup is changed to return the device which it set up, rather than just success or failure. This will be important in the line-config patch. Signed-off-by:
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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:
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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:
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