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* [PATCH] sysfs: handle failures in sysfs_make_direntSteven Rostedt2006-01-051-1/+5
| | | | | | | | I noticed that if sysfs_make_dirent fails to allocate the sd, then a null will be passed to sysfs_put. Signed-off-by: Steven Rostedt <rostedt@goodmis.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* [PATCH] Driver core: Make block devices create the proper symlink nameGreg Kroah-Hartman2006-01-051-2/+25
| | | | | | | | | | Block devices need to add the block device name to the symlink they put in the device directory, otherwise multiple symlinks of the same name can be created. This matches the class system, which works the same way, we just forgot to convert block at the same time. Cc: Pete Zaitcev <zaitcev@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* [PATCH] Driver core: only all userspace bind/unbind if CONFIG_HOTPLUG is enabledGreg Kroah-Hartman2006-01-051-4/+22
| | | | | | | | | Thanks to drivers making their id tables __devinit, we can't allow userspace to bind or unbind drivers from devices manually through sysfs. So we only allow this if CONFIG_HOTPLUG is enabled. Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* [PATCH] Driver Core: Rearrange exports in platform.cDmitry Torokhov2006-01-051-11/+10
| | | | | | | | | | | Driver core: rearrange exports in platform.c The new way is to specify export right after symbol definition. Rearrange exports to follow new style to avoid mixing two styles in one file. Signed-off-by: Dmitry Torokhov <dtor@mail.ru> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* [PATCH] Driver Core: Add platform_device_del()Dmitry Torokhov2006-01-052-15/+31
| | | | | | | | | | Driver core: add platform_device_del function Having platform_device_del90 allows more straightforward error handling code in drivers registering platform devices. Signed-off-by: Dmitry Torokhov <dtor@mail.ru> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* [PATCH] Input: fix add modalias support build errorRusty Russell2006-01-051-1/+1
| | | | | | | | | | | | Fix build when scripts/mod/file2alias.c includes linux/input.h, which tries to include /usr/include/linux/mod_devicetable.h: In file included from scripts/mod/file2alias.c:40: include/linux/input.h:21:35: linux/mod_devicetable.h: No such file or directory make[2]: *** [scripts/mod/file2alias.o] Error 1 Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* [PATCH] Input: add modalias supportRusty Russell2006-01-053-39/+141
| | | | | | | | | | | | | | | | Here's the patch for modalias support for input classes. It uses comma-separated numbers, and doesn't describe all the potential keys (no module currently cares, and that would make the strings huge). The changes to input.h are to move the definitions needed by file2alias outside __KERNEL__. I chose not to move those definitions to mod_devicetable.h, because there are so many that it might break compile of something else in the kernel. The rest is fairly straightforward. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> CC: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* [PATCH] ide: MODALIAS support for autoloading of ide-cd, ide-disk, ...Kay Sievers2006-01-055-0/+64
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | IDE: MODALIAS support for autoloading of ide-cd, ide-disk, ... Add MODULE_ALIAS to IDE midlayer modules: ide-disk, ide-cd, ide-floppy and ide-tape, to autoload these modules depending on the probed media type of the IDE device. It is used by udev and replaces the former agent shell script of the hotplug package, which was required to lookup the media type in the proc filesystem. Using proc was racy, cause the media file is created after the hotplug event is sent out. The module autoloading does not take any effect, until something like the following udev rule is configured: SUBSYSTEM=="ide", ACTION=="add", ENV{MODALIAS}=="?*", RUN+="/sbin/modprobe $env{MODALIAS}" The module ide-scsi will not be autoloaded, cause it requires manual configuration. It can't be, and never was supported for automatic setup in the hotplug package. Adding a MODULE_ALIAS to ide-scsi for all supported media types, would just lead to a default blacklist entry anyway. $ modinfo ide-disk filename: /lib/modules/2.6.15-rc4-g1b0997f5/kernel/drivers/ide/ide-disk.ko description: ATA DISK Driver alias: ide:*m-disk* license: GPL ... $ modprobe -vn ide:m-disk insmod /lib/modules/2.6.15-rc4-g1b0997f5/kernel/drivers/ide/ide-disk.ko $ cat /sys/bus/ide/devices/0.0/modalias ide:m-disk It also adds attributes to the IDE device: $ tree /sys/bus/ide/devices/0.0/ /sys/bus/ide/devices/0.0/ |-- bus -> ../../../../../../../bus/ide |-- drivename |-- media |-- modalias |-- power | |-- state | `-- wakeup `-- uevent $ cat /sys/bus/ide/devices/0.0/{modalias,drivename,media} ide:m-disk hda disk Signed-off-by: Kay Sievers <kay.sievers@suse.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* [PATCH] kobject_uevent CONFIG_NET=n fixakpm@osdl.org2006-01-053-4/+5
| | | | | | | | | | | | | | | | | | | | | | | lib/lib.a(kobject_uevent.o)(.text+0x25f): In function `kobject_uevent': : undefined reference to `__alloc_skb' lib/lib.a(kobject_uevent.o)(.text+0x2a1): In function `kobject_uevent': : undefined reference to `skb_over_panic' lib/lib.a(kobject_uevent.o)(.text+0x31d): In function `kobject_uevent': : undefined reference to `skb_over_panic' lib/lib.a(kobject_uevent.o)(.text+0x356): In function `kobject_uevent': : undefined reference to `netlink_broadcast' lib/lib.a(kobject_uevent.o)(.init.text+0x9): In function `kobject_uevent_init': : undefined reference to `netlink_kernel_create' make: *** [.tmp_vmlinux1] Error 1 Netlink is unconditionally enabled if CONFIG_NET, so that's OK. kobject_uevent.o is compiled even if !CONFIG_HOTPLUG, which is lazy. Let's compound the sin. Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* [PATCH] Allow overlapping resources for platform devicesKumar Gala2006-01-051-1/+1
| | | | | | | | | | | | | | There are cases in which a device's memory mapped registers overlap with another device's memory mapped registers. On several PowerPC devices this occurs for the MDIO bus, whose registers tended to overlap with one of the ethernet controllers. By switching from request_resource to insert_resource we can register the MDIO bus as a proper platform device and not hack around how we handle its memory mapped registers. Signed-off-by: Kumar Gala <galak@kernel.crashing.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* [PATCH] klist: Fix broken kref counting in find functionsFrank Pavlic2006-01-051-0/+2
| | | | | | | | | | | | | | | | | | | | The klist reference counting in the find functions that use klist_iter_init_node is broken. If the function (for example driver_find_device) is called with a NULL start object then everything is fine, the first call to next_device()/klist_next increases the ref-count of the first node on the list and does nothing for the start object which is NULL. If they are called with a valid start object then klist_next will decrement the ref-count for the start object but nobody has incremented it. Logical place to fix this would be klist_iter_init_node because the function puts a reference of the object into the klist_iter struct. Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: Frank Pavlic <pavlic@de.ibm.com> Cc: Patrick Mochel <mochel@digitalimplant.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* [PATCH] Hold the device's parent's lock during probe and removeAlan Stern2006-01-052-2/+28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch (as604) makes the driver core hold a device's parent's lock as well as the device's lock during calls to the probe and remove methods in a driver. This facility is needed by USB device drivers, owing to the peculiar way USB devices work: A device provides multiple interfaces, and drivers are bound to interfaces rather than to devices; Nevertheless a reset, reset-configuration, suspend, or resume affects the entire device and requires the caller to hold the lock for the device, not just a lock for one of the interfaces. Since a USB driver's probe method is always called with the interface lock held, the locking order rules (always lock parent before child) prevent these methods from acquiring the device lock. The solution provided here is to call all probe and remove methods, for all devices (not just USB), with the parent lock already acquired. Although currently only the USB subsystem requires these changes, people have mentioned in prior discussion that the overhead of acquiring an extra semaphore in all the prove/remove sequences is not overly large. Up to now, the USB core has been using its own set of private semaphores. A followup patch will remove them, relying entirely on the device semaphores provided by the driver core. The code paths affected by this patch are: device_add and device_del: The USB core already holds the parent lock, so no actual change is needed. driver_register and driver_unregister: The driver core will now lock both the parent and the device before probing or removing. driver_bind and driver_unbind (in sysfs): These routines will now lock both the parent and the device before binding or unbinding. bus_rescan_devices: The helper routine will lock the parent before probing a device. I have not tested this patch for conflicts with other subsystems. As far as I can see, the only possibility of conflict would lie in the bus_rescan_devices pathway, and it seems pretty remote. Nevertheless, it would be good for this to get a lot of testing in -mm. Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* [PATCH] driver kill hotplug word from sn and others fixPaul Jackson2006-01-054-9/+9
| | | | | | | | | | | | | The first of these changes s/hotplug/uevent/ was needed to compile sn2_defconfig (ia64/sn). The other three files changed are blind changes of all remaining bus_type.hotplug references I could find to bus_type.uevent. This patch attempts to finish similar changes made in the gregkh-driver-kill-hotplug-word-from-driver-core Nov 22 patch. Signed-off-by: Paul Jackson <pj@sgi.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* [PATCH] HOTPLUG: always enable the .config option, unless EMBEDDEDGreg Kroah-Hartman2006-01-051-8/+9
| | | | | | | | With modules, dynamic /dev, and uevents, people really want CONFIG_HOTPLUG to be enabled in their kernels. If not, they can still disable it, but it is discouraged. Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* [PATCH] driver core: replace "hotplug" by "uevent"Kay Sievers2006-01-0540-378/+372
| | | | | | | | | Leave the overloaded "hotplug" word to susbsystems which are handling real devices. The driver core does not "plug" anything, it just exports the state to userspace and generates events. Signed-off-by: Kay Sievers <kay.sievers@suse.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* [PATCH] merge kobject_uevent and kobject_hotplugKay Sievers2006-01-053-206/+102
| | | | | | | | | | | | | | | | | | | | The distinction between hotplug and uevent does not make sense these days, netlink events are the default. udev depends entirely on netlink uevents. Only during early boot and in initramfs, /sbin/hotplug is needed. So merge the two functions and provide only one interface without all the options. The netlink layer got a nice generic interface with named slots recently, which is probably a better facility to plug events for subsystem specific events. Also the new poll() interface to /proc/mounts is a nicer way to notify about changes than sending events through the core. The uevents should only be used for driver core related requests to userspace now. Signed-off-by: Kay Sievers <kay.sievers@suse.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* [PATCH] remove mount/umount uevents from superblock handlingKay Sievers2006-01-053-22/+3
| | | | | | | | | | | | The names of these events have been confusing from the beginning on, as they have been more like claim/release events. We needed these events for noticing HAL if storage devices have been mounted. Thanks to Al, we have the proper solution now and can poll() /proc/mounts instead to get notfied about mount tree changes. Signed-off-by: Kay Sievers <kay.sievers@suse.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* [PATCH] add uevent_helper control in /sys/kernel/Kay Sievers2006-01-051-3/+22
| | | | | | | | | | | | | | | | | | | | This deprecates the /proc/sys/kernel/hotplug file, as all this stuff should be in /sys some day, right? :) In /sys/kernel/ we have now uevent_seqnum and uevent_helper. The seqnum is no longer used by udev, as the version for this kernel depends on netlink which events will never get out-of-order. Recent udev versions disable the /sbin/hotplug helper with an init script, cause it leads to OOM on big boxes by running hundreds of shells in parallel. It should be done now by: echo "" > /sys/kernel/uevent_helper (Note that "-n" does not work, cause neighter proc nor sysfs support truncate().) Signed-off-by: Kay Sievers <kay.sievers@suse.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* [PATCH] remove CONFIG_KOBJECT_UEVENT optionKay Sievers2006-01-058-107/+40
| | | | | | | | | It makes zero sense to have hotplug, but not the netlink events enabled today. Remove this option and merge the kobject_uevent.h header into the kobject.h header file. Signed-off-by: Kay Sievers <kay.sievers@suse.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* [PATCH] keep pnpbios usermod_helper away from hotplug_path[]Kay Sievers2006-01-051-5/+3
| | | | | | | | | | | | | These days we use udev to manage all kernel events. /proc/sys/kernel/hotplug will usually be disabled by an init-script. pnpnbios is not integrated with the driver core and should stay away from the now disabled /sbin/hotplug. Set the helper to /sbin/phpbios, even when there is probably no current user of this faciliy. If it's needed, it should definitely get proper driver core integration instead of forking binaries from the kernel. Signed-off-by: Kay Sievers <kay.sievers@suse.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* Linux v2.6.15v2.6.15Linus Torvalds2006-01-031-1/+1
| | | | | Hey, it's fifteen years today since I bought the machine that got Linux started. January 2nd is a good date.
* [PATCH] Make sure interleave masks have at least one node setAndi Kleen2006-01-031-0/+4
| | | | | | | | | | | | | Otherwise a bad mem policy system call can confuse the interleaving code into referencing undefined nodes. Originally reported by Doug Chapman I was told it's CVE-2005-3358 (one has to love these security people - they make everything sound important) Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] Avoid namespace pollution in <asm/param.h>Dag-Erling Smørgrav2006-01-022-4/+2
| | | | | | | | | | | | | | | | In commit 3D59121003721a8fad11ee72e646fd9d3076b5679c, the x86 and x86-64 <asm/param.h> was changed to include <linux/config.h> for the configurable timer frequency. However, asm/param.h is sometimes used in userland (it is included indirectly from <sys/param.h>), so your commit pollutes the userland namespace with tons of CONFIG_FOO macros. This greatly confuses software packages (such as BusyBox) which use CONFIG_FOO macros themselves to control the inclusion of optional features. After a short exchange, Christoph approved this patch Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] powerpc: more g5 overtemp problem fixBenjamin Herrenschmidt2006-01-021-3/+3
| | | | | | | | | | | | | | | | | Some G5s still occasionally experience shutdowns due to overtemp conditions despite the recent fix. After analyzing logs from such machines, it appears that the overtemp code is a bit too quick at shutting the machine down when reaching the critical temperature (tmax + 8) and doesn't leave the fan enough time to actually cool it down. This happens if the temperature of a CPU suddenly rises too high in a very short period of time, or occasionally on boot (that is the CPUs are already overtemp by the time the driver loads). This patches makes the code a bit more relaxed, leaving a few seconds to the fans to do their job before kicking the machine shutown. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] x86: teach dump_task_regs() about the -8 offset.Stas Sergeev2006-01-011-1/+3
| | | | | | | This should fix multi-threaded core-files Signed-off-by: stsp@aknet.ru Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* sysctl: make sure to terminate strings with a NULLinus Torvalds2006-01-011-10/+15
| | | | | | | | | | | This is a slightly more complete fix for the previous minimal sysctl string fix. It always terminates the returned string with a NUL, even if the full result wouldn't fit in the user-supplied buffer. The returned length is the full untruncated length, so that you can tell when truncation has occurred. Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* Merge master.kernel.org:/home/rmk/linux-2.6-serialLinus Torvalds2005-12-311-2/+2
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| * [ARM] 3216/1: indent and typo in drivers/serial/pxa.cErik Hovland2005-12-301-2/+2
| | | | | | | | | | | | | | | | | | Patch from Erik Hovland This patch provides two changes. An indent is supplied for an if/else clause so that it is more readable. An acronym is incorrectly typed as UER when it should be IER. Signed-off-by: Erik Hovland <erik@hovland.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* | [PATCH] Fix false old value return of sysctlYi Yang2005-12-311-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | For the sysctl syscall, if the user wants to get the old value of a sysctl entry and set a new value for it in the same syscall, the old value is always overwritten by the new value if the sysctl entry is of string type and if the user sets its strategy to sysctl_string. This issue lies in the strategy being run twice if the strategy is set to sysctl_string, the general strategy sysctl_string always returns 0 if success. Such strategy routines as sysctl_jiffies and sysctl_jiffies_ms return 1 because they do read and write for the sysctl entry. The strategy routine sysctl_string return 0 although it actually read and write the sysctl entry. According to my analysis, if a strategy routine do read and write, it should return 1, if it just does some necessary check but not read and write, it should return 0, for example sysctl_intvec. Signed-off-by: Yi Yang <yang.y.yi@gmail.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | sysctl: don't overflow the user-supplied buffer with '\0'Linus Torvalds2005-12-311-3/+1
| | | | | | | | | | | | | | | | | | | | If the string was too long to fit in the user-supplied buffer, the sysctl layer would zero-terminate it by writing past the end of the buffer. Don't do that. Noticed by Yi Yang <yang.y.yi@gmail.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | Insanity avoidance in /procLinus Torvalds2005-12-301-24/+23
| | | | | | | | | | | | | | | | | | | | | | | | The old /proc interfaces were never updated to use loff_t, and are just generally broken. Now, we should be using the seq_file interface for all of the proc files, but converting the legacy functions is more work than most people care for and has little upside.. But at least we can make the non-LFS rules explicit, rather than just insanely wrapping the offset or something. Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] Input: wacom - fix X axis setupDenny Priebe2005-12-301-1/+1
| | | | | | | | | | | | | | | | This patch fixes a typo introduced by conversion to dynamic input_dev allocation. Signed-off-by: Dmitry Torokhov <dtor@mail.ru> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] Input: warrior - fix HAT0Y axis setupDmitry Torokhov2005-12-301-1/+1
| | | | | | | | | | | | | | | | This patch fixes a typo introduced by conversion to dynamic input_dev allocation. Signed-off-by: Dmitry Torokhov <dtor@mail.ru> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] Input: kbtab - fix Y axis setupDmitry Torokhov2005-12-301-1/+1
|/ | | | | | | | This patch fixes a typo introduced by conversion to dynamic input_dev allocation. Signed-off-by: Dmitry Torokhov <dtor@mail.ru> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] Simplify the VIDEO_SAA7134_OSS Kconfig dependency lineJean Delvare2005-12-291-1/+1
| | | | | | | | Thanks to Roman Zippel for the suggestion. Signed-off-by: Jean Delvare <khali@linux-fr.org> [ Short explanation: Kconfig uses ternary math: n/m/y, and !m is m ] Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* Revert radeon AGP aperture offset changesLinus Torvalds2005-12-291-9/+2
| | | | | | | | | | | | | | | | | | | | | | This reverts the series of commits 67dbb4ea33731415fe09c62149a34f472719ac1d 281ab031a8c9e5b593142eb4ec59a87faae8676a 47807ce381acc34a7ffee2b42e35e96c0f322e52 that changed the GART VM start offset. It fixed some machines, but seems to continually interact badly with some X versions. Quoth Ben Herrenschmidt: "So I think at this point, the best is that we keep the old bogus code that at least is consistent with the bug in the server. I'm working on a big patch to X that reworks the memory map stuff completely and fixes those issues on the server side, I'll do a DRM patch matching this X fix as well so that the memory map is only ever set in one place and with what I hope is a correct algorithm..." Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* Merge master.kernel.org:/home/rmk/linux-2.6-mmcLinus Torvalds2005-12-291-5/+9
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| * [MMC] Set correct capacity for 1024-byte block cardsRussell King2005-12-231-5/+9
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We were passing set_capacity() the capacity we calculated in terms of the number of blocks on the card, which happened to be the right units for 512-byte block cards. However, with 1024-byte block cards, we end up setting the capacity to half the number of blocks. Fix this by shifting by the appropriate amount. Thanks to Todd Blumer for pointing this out. Use get_capacity() to report the card capacity, rather than recalculating it from the CSD information. Finally, use our chosen IO block size for the SET_BLOCKLEN command rather than the CSD read block size. Currently these are equivalent, but will not be in the future. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* | Merge master.kernel.org:/home/rmk/linux-2.6-serialLinus Torvalds2005-12-291-1/+1
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| * | [SERIAL] Fix AMBA PL011 sysrq character handlingRussell King2005-12-271-1/+1
| | | | | | | | | | | | | | | | | | | | | We only want the received character without the status bits for sysrq handling. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* | | [PATCH] Fix recursive config dependency for SAA7134Jean Delvare2005-12-291-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | Fix the cyclic dependency issue between CONFIG_SAA7134_ALSA and CONFIG_SAA7134_OSS (credits to Mauro Carvalho Chehab.) Signed-off-by: Jean Delvare <khali@linux-fr.org> Acked-by: Mauro Carvalho Chehab <mchehab@brturbo.com.br> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | | [PATCH] ppc64: htab_initialize_secondary cannot be marked __initAnton Blanchard2005-12-291-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Sonny has noticed hotplug CPU on ppc64 is broken in 2.6.15-*. One of the problems is that htab_initialize_secondary is called when a cpu is being brought up, but it is marked __init. Signed-off-by: Anton Blanchard <anton@samba.org> Acked-by: Paul Mackerras <paulus@samba.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | | [PATCH] x86_64: Fix incorrect node_present_pages on NUMARavikiran G Thirumalai2005-12-291-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Currently, we do not pass the correct start_pfn to e820_hole_size, to calculate holes. Following patch fixes that. The bug results in incorrect number of node_present_pages for each pgdat and causes ugly output in /sys and probably VM inbalances. Signed-off-by: Alok N Kataria <alokk@calsoftinc.com> Signed-off-by: Ravikiran Thirumalai <kiran@scalex86.org> Signed-off-by: Andi Kleen <ak@suse.de> Sighed-off-by: Shair Fultheim <shai@scalex86.org> Sighed-off-by: Linus Torvalds <torvalds@osdl.org>
* | | [PATCH] Input: aiptek - fix Y axis setupRiccardo Magliocchetti2005-12-291-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | This patch fixes a typo introduced by conversion to dynamic input_dev allocation. Signed-off-by: Dmitry Torokhov <dtor@mail.ru> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | | [PATCH] fix ia64 compile failure with gcc4.1Dave Jones2005-12-291-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | __get_unaligned creates a typeof the var its passed, and writes to it, which on gcc4.1, spits out the following error: drivers/char/vc_screen.c: In function 'vcs_write': drivers/char/vc_screen.c:422: error: assignment of read-only variable 'val' Signed-off-by: Dave Jones <davej@redhat.com> [ The "right" fix would be to try to fix <asm-generic/unaligned.h> but that's hard to do with the tools gcc gives us. So this simpler patch is preferable -- Linus ] Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | | [PATCH] uml: fix compilation with CONFIG_MODE_TT disabledPaolo 'Blaisorblade' Giarrusso2005-12-292-5/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fix UML compilation when SKAS mode is disabled. Indeed, we were compiling SKAS-only object files, which failed due to some SKAS-only headers being excluded from the search path. Thanks to the bug report from Pekka J Enberg. Acked-by: Pekka J Enberg <penberg (at) cs ! helsinki ! fi> Signed-off-by: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | | [PATCH] Hostfs: update for new glibc - add missing symbol exportsPaolo 'Blaisorblade' Giarrusso2005-12-291-0/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Today, when compiling UML, I got warnings for two used unexported symbols: readdir64 and truncate64. Indeed, my glibc headers are aliasing readdir to readdir64 and truncate to truncate64 (and so on). I'm then adding additional exports. Since I've no idea if the symbols where always provided in the supported glibc's, I've added weak definitions too. Signed-off-by: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | | [PATCH] uml: hostfs - fix possible PAGE_CACHE_SHIFT overflowsPaolo 'Blaisorblade' Giarrusso2005-12-291-1/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Prevent page->index << PAGE_CACHE_SHIFT from overflowing. There is a casting there, but was added without care, so it's at the wrong place. Note the extra parens around the shift - "+" is higher precedence than "<<", leading to a GCC warning which saved all us. Signed-off-by: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | | [PATCH] Hostfs: remove unused varPaolo 'Blaisorblade' Giarrusso2005-12-291-2/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | Trivial removal of unused variable from this file - doesn't even change the generated assembly code, in fact (gcc should trigger a warning for unused value here). Signed-off-by: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | | [PATCH] uml: fix random segfaults at bootupPaolo 'Blaisorblade' Giarrusso2005-12-291-10/+12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Don't use printk() where "current_thread_info()" is crap. Until when we switch to running on init_stack, current_thread_info() evaluates to crap. Printk uses "current" at times (in detail, &current is evaluated with CONFIG_DEBUG_SPINLOCK to check the spinlock owner task). And this leads to random segmentation faults. Exactly, what happens is that &current = *(current_thread_info()), i.e. round down $esp and dereference the value. I.e. access the stack below $esp, which causes SIGSEGV on a VM_GROWSDOWN vma (see arch/i386/mm/fault.c). Signed-off-by: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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