- 15 7月, 2013 1 次提交
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由 Toshi Kani 提交于
device->driver_data needs to be cleared when releasing its data, mem_device, in an error path of acpi_memory_device_add(). The function evaluates the _CRS of memory device objects, and fails when it gets an unexpected resource or cannot allocate memory. A kernel crash or data corruption may occur when the kernel accesses the stale pointer. Signed-off-by: NToshi Kani <toshi.kani@hp.com> Reviewed-by: NYasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com> Cc: 2.6.32+ <stable@vger.kernel.org> Signed-off-by: NRafael J. Wysocki <rafael.j.wysocki@intel.com>
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- 02 6月, 2013 1 次提交
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由 Rafael J. Wysocki 提交于
Now that the memory offlining should be taken care of by the companion device offlining code in acpi_scan_hot_remove(), the ACPI memory hotplug driver doesn't need to offline it in remove_memory() any more. Moreover, since the return value of remove_memory() is not used, it's better to make it be a void function and trigger a BUG() if the memory scheduled for removal is not offline. Change the code in accordance with the above observations. Signed-off-by: NRafael J. Wysocki <rafael.j.wysocki@intel.com> Reviewed-by: NToshi Kani <toshi.kani@hp.com>
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- 12 5月, 2013 1 次提交
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由 Rafael J. Wysocki 提交于
During ACPI memory hotplug configuration bind memory blocks residing in modules removable through the standard ACPI mechanism to struct acpi_device objects associated with ACPI namespace objects representing those modules. Accordingly, unbind those memory blocks from the struct acpi_device objects when the memory modules in question are being removed. When "offline" operation for devices representing memory blocks is introduced, this will allow the ACPI core's device hot-remove code to use it to carry out remove_memory() for those memory blocks and check the results of that before it actually removes the modules holding them from the system. Since walk_memory_range() is used for accessing all memory blocks corresponding to a given ACPI namespace object, it is exported from memory_hotplug.c so that the code in acpi_memhotplug.c can use it. Signed-off-by: NRafael J. Wysocki <rafael.j.wysocki@intel.com> Tested-by: NVasilis Liaskovitis <vasilis.liaskovitis@profitbricks.com> Reviewed-by: NToshi Kani <toshi.kani@hp.com>
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- 25 3月, 2013 2 次提交
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由 Yasuaki Ishimatsu 提交于
acpi_memory_info has enabled bit and failed bit for controlling memory hotplug. But we don't need to keep both bits. The patch removes acpi_memory_info->failed bit. Signed-off-by: Nyasuaki ishimatsu <isimatu.yasuaki@jp.fujitsu.com> Acked-by: NToshi Kani <toshi.kani@hp.com> Signed-off-by: NRafael J. Wysocki <rafael.j.wysocki@intel.com>
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由 Yasuaki Ishimatsu 提交于
At http://marc.info/?l=linux-acpi&m=135769405622667&w=2 thread, Toshi Kani mentioned as follows: "I have a question about the change you made in commit 65479472 in acpi_memhotplug.c. This change seems to require that acpi_memory_enable_device() calls add_memory() to add all memory ranges represented by memory device objects at boot-time, and keep the results be used for hot-remove. If I understand it right, this add_memory() call fails with EEXIST at boot-time since all memory ranges should have been added from EFI memory table (or e820) already. This results all memory ranges be marked as ! enabled & !failed. I think this means that we cannot hot-delete any memory ranges presented at boot-time since acpi_memory_remove_memory() only calls remove_memory() when the enabled flag is set. Is that correct?" Above mention is correct. Thus even if memory device supports hotplug, memory presented at boot-time cannot be hot removed since the memory device's acpi_memory_info->enabled is always 0. This patch changes to set 1 to "acpi_memory_info->enabled" of memory device presented at boot-time for hot removing the memory device. Signed-off-by: NYasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com> Acked-by: NToshi Kani <toshi.kani@hp.com> Signed-off-by: NRafael J. Wysocki <rafael.j.wysocki@intel.com>
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- 04 3月, 2013 1 次提交
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由 Rafael J. Wysocki 提交于
Make the ACPI memory hotplug driver use struct acpi_scan_handler for representing the object used to set up ACPI memory hotplug functionality and to remove hotplug memory ranges and data structures used by the driver before unregistering ACPI device nodes representing memory. Register the new struct acpi_scan_handler object with the help of acpi_scan_add_handler_with_hotplug() to allow user space to manipulate the attributes of the memory hotplug profile. This results in a significant reduction of the drvier's code size and removes some ACPI hotplug code duplication. Signed-off-by: NRafael J. Wysocki <rafael.j.wysocki@intel.com> Acked-by: NToshi Kani <toshi.kani@hp.com> Tested-by: NToshi Kani <toshi.kani@hp.com>
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- 24 2月, 2013 1 次提交
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由 Tang Chen 提交于
Introduce a new function try_offline_node() to remove sysfs file of node when all memory sections of this node are removed. If some memory sections of this node are not removed, this function does nothing. Signed-off-by: NWen Congyang <wency@cn.fujitsu.com> Signed-off-by: NTang Chen <tangchen@cn.fujitsu.com> Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Cc: Jiang Liu <jiang.liu@huawei.com> Cc: Jianguo Wu <wujianguo@huawei.com> Cc: Kamezawa Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: Lai Jiangshan <laijs@cn.fujitsu.com> Cc: Wu Jianguo <wujianguo@huawei.com> Cc: Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: "H. Peter Anvin" <hpa@zytor.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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- 13 2月, 2013 1 次提交
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由 Rafael J. Wysocki 提交于
This changeset is aimed at fixing a few different but related problems in the ACPI hotplug infrastructure. First of all, since notify handlers may be run in parallel with acpi_bus_scan(), acpi_bus_trim() and acpi_bus_hot_remove_device() and some of them are installed for ACPI handles that have no struct acpi_device objects attached (i.e. before those objects are created), those notify handlers have to take acpi_scan_lock to prevent races from taking place (e.g. a struct acpi_device is found to be present for the given ACPI handle, but right after that it is removed by acpi_bus_trim() running in parallel to the given notify handler). Moreover, since some of them call acpi_bus_scan() and acpi_bus_trim(), this leads to the conclusion that acpi_scan_lock should be acquired by the callers of these two funtions rather by these functions themselves. For these reasons, make all notify handlers that can handle device addition and eject events take acpi_scan_lock and remove the acpi_scan_lock locking from acpi_bus_scan() and acpi_bus_trim(). Accordingly, update all of their users to make sure that they are always called under acpi_scan_lock. Furthermore, since eject operations are carried out asynchronously with respect to the notify events that trigger them, with the help of acpi_bus_hot_remove_device(), even if notify handlers take the ACPI scan lock, it still is possible that, for example, acpi_bus_trim() will run between acpi_bus_hot_remove_device() and the notify handler that scheduled its execution and that acpi_bus_trim() will remove the device node passed to acpi_bus_hot_remove_device() for ejection. In that case, the struct acpi_device object obtained by acpi_bus_hot_remove_device() will be invalid and not-so-funny things will ensue. To protect agaist that, make the users of acpi_bus_hot_remove_device() run get_device() on ACPI device node objects that are about to be passed to it and make acpi_bus_hot_remove_device() run put_device() on them and check if their ACPI handles are not NULL (make acpi_device_unregister() clear the device nodes' ACPI handles for that check to work). Finally, observe that acpi_os_hotplug_execute() actually can fail, in which case its caller ought to free memory allocated for the context object to prevent leaks from happening. It also needs to run put_device() on the device node that it ran get_device() on previously in that case. Modify the code accordingly. Signed-off-by: NRafael J. Wysocki <rafael.j.wysocki@intel.com> Acked-by: NYinghai Lu <yinghai@kernel.org>
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- 26 1月, 2013 1 次提交
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由 Rafael J. Wysocki 提交于
The second argument of ACPI driver .remove() operation is only used by the ACPI processor driver and the value passed to that driver through it is always available from the given struct acpi_device object's removal_type field. For this reason, the second ACPI driver .remove() argument is in fact useless, so drop it. Signed-off-by: NRafael J. Wysocki <rafael.j.wysocki@intel.com> Reviewed-by: NJiang Liu <jiang.liu@huawei.com> Acked-by: NToshi Kani <toshi.kani@hp.com> Acked-by: NYinghai Lu <yinghai@kernel.org>
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- 19 1月, 2013 1 次提交
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由 Rafael J. Wysocki 提交于
The only difference between acpi_bus_scan() and acpi_bus_add() is the invocation of acpi_update_all_gpes() in the latter which in fact is unnecessary, because acpi_update_all_gpes() has already been called by acpi_scan_init() and the way it is implemented guarantees the next invocations of it to do nothing. For this reason, drop acpi_bus_add() and make all its callers use acpi_bus_scan() directly instead of it. Additionally, rearrange the code in acpi_scan_init() slightly to improve the visibility of the acpi_update_all_gpes() call in there. Signed-off-by: NRafael J. Wysocki <rafael.j.wysocki@intel.com> Acked-by: NYinghai Lu <yinghai@kernel.org>
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- 15 1月, 2013 1 次提交
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由 Yinghai Lu 提交于
Should use acpi_device pointer directly instead of use handle and get the device pointer again later. Signed-off-by: NYinghai Lu <yinghai@kernel.org> Signed-off-by: NRafael J. Wysocki <rafael.j.wysocki@intel.com>
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- 03 1月, 2013 3 次提交
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由 Liu Jinsong 提交于
When memory hotadd, acpi_memory_enable_device has already been done at drv->ops.add (acpi_memory_device_add), no need to do it again at notify callback. At acpi_memory_enable_device, acpi_memory_get_device_resources is also a redundant action, since it has been done at drv->ops.add. Signed-off-by: NLiu Jinsong <jinsong.liu@intel.com> Signed-off-by: NRafael J. Wysocki <rafael.j.wysocki@intel.com>
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由 Rafael J. Wysocki 提交于
The callers of acpi_bus_add() usually assume that if it has succeeded, then a struct acpi_device object has been attached to the handle passed as the first argument. Unfortunately, however, this assumption is wrong, because acpi_bus_scan(), and acpi_bus_add() too as a result, may return a pointer to a different struct acpi_device object on success (it may be an object corresponding to one of the descendant ACPI nodes in the namespace scope below that handle). For this reason, the callers of acpi_bus_add() who care about whether or not a struct acpi_device object has been created for its first argument need to check that using acpi_bus_get_device() anyway, so the second argument of acpi_bus_add() is not really useful for them. The same observation applies to acpi_bus_scan() executed directly from acpi_scan_init(). Therefore modify the relevant callers of acpi_bus_add() to check the existence of the struct acpi_device in question with the help of acpi_bus_get_device() and drop the no longer necessary second argument of acpi_bus_add(). Accordingly, modify acpi_scan_init() to use acpi_bus_get_device() to get acpi_root and drop the no longer needed second argument of acpi_bus_scan(). Signed-off-by: NRafael J. Wysocki <rafael.j.wysocki@intel.com> Acked-by: NYinghai Lu <yinghai@kernel.org> Acked-by: NToshi Kani <toshi.kani@hp.com>
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由 Rafael J. Wysocki 提交于
Notice that acpi_bus_add() uses only 2 of its 4 arguments and redefine its header to match the body. Update all of its callers as necessary and observe that this leads to quite a number of removed lines of code (Linus will like that). Add a kerneldoc comment documenting acpi_bus_add() and wonder how its callers make wrong assumptions about the second argument (make note to self to take care of that later). Signed-off-by: NRafael J. Wysocki <rafael.j.wysocki@intel.com> Acked-by: NYinghai Lu <yinghai@kernel.org> Acked-by: NToshi Kani <toshi.kani@hp.com>
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- 22 11月, 2012 1 次提交
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由 Toshi Kani 提交于
Updated Memory hotplug error messages with acpi_handle_<level>(), dev_<level>() and pr_<level>(). Added missing "\n". Signed-off-by: NToshi Kani <toshi.kani@hp.com> Signed-off-by: NRafael J. Wysocki <rafael.j.wysocki@intel.com>
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- 16 11月, 2012 6 次提交
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由 Wen Congyang 提交于
We had introduced acpi_hotmem_initialized to avoid strange add_memory fail message. But the memory device may not be used by the kernel, and the device should be bound when the driver is being loaded. Remove acpi_hotmem_initialized to allow that the device can be bound when the driver is being loaded. Signed-off-by: NWen Congyang <wency@cn.fujitsu.com> Reviewed-by: NYasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com> Acked-by: NDavid Rientjes <rientjes@google.com> Signed-off-by: NRafael J. Wysocki <rafael.j.wysocki@intel.com>
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由 Wen Congyang 提交于
We eject the memory device even if it is in use. It is very dangerous, and it will cause the kernel to be panicked. Signed-off-by: NWen Congyang <wency@cn.fujitsu.com> Reviewed-by: NYasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com> Acked-by: NDavid Rientjes <rientjes@google.com> Signed-off-by: NRafael J. Wysocki <rafael.j.wysocki@intel.com>
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由 Wen Congyang 提交于
If acpi_memory_enable_device() fails, acpi_memory_enable_device() will return a non-zero value, which means we fail to bind the memory device to this driver. So we should free memory device before acpi_memory_device_add() returns. Signed-off-by: NWen Congyang <wency@cn.fujitsu.com> Reviewed-by: NYasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com> Acked-by: NDavid Rientjes <rientjes@google.com> Signed-off-by: NRafael J. Wysocki <rafael.j.wysocki@intel.com>
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由 Wen Congyang 提交于
We allocate memory to store acpi_memory_info, so we should free it before freeing mem_device. Signed-off-by: NWen Congyang <wency@cn.fujitsu.com> Reviewed-by: NYasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com> Acked-by: NDavid Rientjes <rientjes@google.com> Signed-off-by: NRafael J. Wysocki <rafael.j.wysocki@intel.com>
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由 Wen Congyang 提交于
The memory device can be removed by 2 ways: 1. send eject request by SCI 2. echo 1 >/sys/bus/pci/devices/PNP0C80:XX/eject We handle the 1st case in the module acpi_memhotplug, and handle the 2nd case in ACPI eject notification. This 2 events may happen at the same time, so we may touch acpi_memory_device.res_list at the same time. This patch reimplements memory-hotremove support through an ACPI eject notification. Now the memory device is offlined and hotremoved only in the function acpi_memory_device_remove() which is protected by device_lock(). Signed-off-by: NWen Congyang <wency@cn.fujitsu.com> Reviewed-by: NYasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com> Reviewed-by: NToshi Kani <toshi.kani@hp.com> Signed-off-by: NRafael J. Wysocki <rafael.j.wysocki@intel.com>
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由 Yasuaki Ishimatsu 提交于
The memory device can be removed by 2 ways: 1. send eject request by SCI 2. echo 1 >/sys/bus/pci/devices/PNP0C80:XX/eject In the 1st case, acpi_memory_disable_device() will be called. In the 2nd case, acpi_memory_device_remove() will be called. acpi_memory_device_remove() will also be called when we unbind the memory device from the driver acpi_memhotplug or a driver initialization fails. acpi_memory_disable_device() has already implemented a code which offlines memory and releases acpi_memory_info struct. But acpi_memory_device_remove() has not implemented it yet. So the patch move offlining memory and releasing acpi_memory_info struct codes to a new function acpi_memory_remove_memory(). And it is used by both acpi_memory_device_remove() and acpi_memory_disable_device(). Signed-off-by: NYasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com> Signed-off-by: NWen Congyang <wency@cn.fujitsu.com> Acked-by: NDavid Rientjes <rientjes@google.com> Signed-off-by: NRafael J. Wysocki <rafael.j.wysocki@intel.com>
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- 15 11月, 2012 1 次提交
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由 Wen Congyang 提交于
The memory device has been ejected and powoffed, so we can call acpi_bus_trim() to remove the memory device from acpi bus. Signed-off-by: NWen Congyang <wency@cn.fujitsu.com> Signed-off-by: NRafael J. Wysocki <rafael.j.wysocki@intel.com>
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- 04 6月, 2012 1 次提交
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由 Toshi Kani 提交于
Changed acpi_memory_device_notify() to call ACPI _OST method when ACPI memory hotplug operation has completed. Signed-off-by: NToshi Kani <toshi.kani@hp.com> Signed-off-by: NLen Brown <len.brown@intel.com>
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- 30 3月, 2010 1 次提交
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由 Tejun Heo 提交于
include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h percpu.h is included by sched.h and module.h and thus ends up being included when building most .c files. percpu.h includes slab.h which in turn includes gfp.h making everything defined by the two files universally available and complicating inclusion dependencies. percpu.h -> slab.h dependency is about to be removed. Prepare for this change by updating users of gfp and slab facilities include those headers directly instead of assuming availability. As this conversion needs to touch large number of source files, the following script is used as the basis of conversion. http://userweb.kernel.org/~tj/misc/slabh-sweep.py The script does the followings. * Scan files for gfp and slab usages and update includes such that only the necessary includes are there. ie. if only gfp is used, gfp.h, if slab is used, slab.h. * When the script inserts a new include, it looks at the include blocks and try to put the new include such that its order conforms to its surrounding. It's put in the include block which contains core kernel includes, in the same order that the rest are ordered - alphabetical, Christmas tree, rev-Xmas-tree or at the end if there doesn't seem to be any matching order. * If the script can't find a place to put a new include (mostly because the file doesn't have fitting include block), it prints out an error message indicating which .h file needs to be added to the file. The conversion was done in the following steps. 1. The initial automatic conversion of all .c files updated slightly over 4000 files, deleting around 700 includes and adding ~480 gfp.h and ~3000 slab.h inclusions. The script emitted errors for ~400 files. 2. Each error was manually checked. Some didn't need the inclusion, some needed manual addition while adding it to implementation .h or embedding .c file was more appropriate for others. This step added inclusions to around 150 files. 3. The script was run again and the output was compared to the edits from #2 to make sure no file was left behind. 4. Several build tests were done and a couple of problems were fixed. e.g. lib/decompress_*.c used malloc/free() wrappers around slab APIs requiring slab.h to be added manually. 5. The script was run on all .h files but without automatically editing them as sprinkling gfp.h and slab.h inclusions around .h files could easily lead to inclusion dependency hell. Most gfp.h inclusion directives were ignored as stuff from gfp.h was usually wildly available and often used in preprocessor macros. Each slab.h inclusion directive was examined and added manually as necessary. 6. percpu.h was updated not to include slab.h. 7. Build test were done on the following configurations and failures were fixed. CONFIG_GCOV_KERNEL was turned off for all tests (as my distributed build env didn't work with gcov compiles) and a few more options had to be turned off depending on archs to make things build (like ipr on powerpc/64 which failed due to missing writeq). * x86 and x86_64 UP and SMP allmodconfig and a custom test config. * powerpc and powerpc64 SMP allmodconfig * sparc and sparc64 SMP allmodconfig * ia64 SMP allmodconfig * s390 SMP allmodconfig * alpha SMP allmodconfig * um on x86_64 SMP allmodconfig 8. percpu.h modifications were reverted so that it could be applied as a separate patch and serve as bisection point. Given the fact that I had only a couple of failures from tests on step 6, I'm fairly confident about the coverage of this conversion patch. If there is a breakage, it's likely to be something in one of the arch headers which should be easily discoverable easily on most builds of the specific arch. Signed-off-by: NTejun Heo <tj@kernel.org> Guess-its-ok-by: NChristoph Lameter <cl@linux-foundation.org> Cc: Ingo Molnar <mingo@redhat.com> Cc: Lee Schermerhorn <Lee.Schermerhorn@hp.com>
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- 25 11月, 2009 1 次提交
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由 Lin Ming 提交于
The existing interface only has a pre-order callback. This change adds an additional parameter for a post-order callback which will be more useful for bus scans. ACPICA BZ 779. Also update the external calls to acpi_walk_namespace. http://www.acpica.org/bugzilla/show_bug.cgi?id=779Signed-off-by: NLin Ming <ming.m.lin@intel.com> Signed-off-by: NBob Moore <robert.moore@intel.com> Signed-off-by: NLen Brown <len.brown@intel.com>
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- 27 8月, 2009 1 次提交
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由 Bob Moore 提交于
Completed a major update for the acpi_get_object_info external interface. Changes include: - Support for variable, unlimited length HID, UID, and CID strings - Support Processor objects the same as Devices (HID,UID,CID,ADR,STA, etc.) - Call the _SxW power methods on behalf of a device object - Determine if a device is a PCI root bridge - Change the ACPI_BUFFER parameter to ACPI_DEVICE_INFO. These changes will require an update to all callers of this interface. See the ACPICA Programmer Reference for details. Also, update all invocations of acpi_get_object_info interface Signed-off-by: NBob Moore <robert.moore@intel.com> Signed-off-by: NLin Ming <ming.m.lin@intel.com> Signed-off-by: NLen Brown <len.brown@intel.com>
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- 03 8月, 2009 2 次提交
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由 Zhao Yakui 提交于
If the memory block size is zero, ignore it and don't do the memory hotplug flowchart. Otherwise it will complain the following warning message: >System RAM resource 0 - ffffffffffffffff cannot be added Signed-off-by: NZhao Yakui <yakui.zhao@intel.com> Signed-off-by: NLen Brown <len.brown@intel.com>
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由 Zhao Yakui 提交于
Don't treat the generic error as ACPI error code. Otherwise when the generic code is returned, it will complain the following warning messag: >ACPI Exception (acpi_memhotplug-0171): UNKNOWN_STATUS_CODE, Cannot get acpi bus device [20080609] >ACPI: Cannot find driver data > ACPI Error (utglobal-0127): Unknown exception code: 0xFFFFFFED [20080609] > Pid: 85, comm: kacpi_notify Not tainted 2.6.27.19-5-default #1 Call Trace: [<ffffffff8020da29>] show_trace_log_lvl+0x41/0x58 [<ffffffff8049a3da>] dump_stack+0x69/0x6f ..... At the same time when the generic error code is returned, the ACPI_EXCEPTION is replaced by the printk. Signed-off-by: NZhao Yakui <yakui.zhao@intel.com> Signed-off-by: NLen Brown <len.brown@intel.com>
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- 26 6月, 2009 1 次提交
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由 Bjorn Helgaas 提交于
This patch folds the .start() method into .add(). The .start() method is called in two paths: boot-time device enumeration and run-time node addition, currently via container_device_add(). In both cases, .start() is called immediately after .add(), so there's no reason to make them separate methods. Signed-off-by: NBjorn Helgaas <bjorn.helgaas@hp.com> Reviewed-by: NAlex Chiang <achiang@hp.com> CC: Yasunori Goto <y-goto@jp.fujitsu.com> CC: Dave Hansen <haveblue@us.ibm.com> Signed-off-by: NLen Brown <len.brown@intel.com>
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- 06 1月, 2009 1 次提交
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由 Nick Andrew 提交于
Fix misspelling of "firmware" in acpi_memhotplug.c It's spelled "firmware". Signed-off-by: NNick Andrew <nick@nick-andrew.net> Signed-off-by: NJiri Kosina <jkosina@suse.cz>
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- 08 11月, 2008 1 次提交
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由 Bjorn Helgaas 提交于
Move all the component definitions for drivers to a single shared place, include/acpi/acpi_drivers.h. Signed-off-by: NBjorn Helgaas <bjorn.helgaas@hp.com> Signed-off-by: NLen Brown <len.brown@intel.com>
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- 23 10月, 2008 1 次提交
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由 Lin Ming 提交于
ACPI_DB_ERROR and ACPI_DB_WARN were removed from ACPICA core. So replace ACPI_DEBUG_PRINT((ACPI_DB_ERROR, ...) with printk(KERN_ERR PREFIX ...) and ACPI_DEBUG_PRINT((ACPI_DB_WARN, ...) with printk(KERN_WARNING PREFIX ...) We do not use ACPI_ERROR/ACPI_WARNING since they're not exported, see ------------------------------------------------------------- commit 6468463a Author: Len Brown <len.brown@intel.com> Date: Mon Jun 26 23:41:38 2006 -0400 ACPI: un-export ACPI_ERROR() -- use printk(KERN_ERR...) Signed-off-by: NLen Brown <len.brown@intel.com> ------------------------------------------------------------- Signed-off-by: NLin Ming <ming.m.lin@intel.com> Signed-off-by: NLen Brown <len.brown@intel.com>
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- 11 10月, 2008 2 次提交
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由 Matthew Wilcox 提交于
As of version 2.0, ACPI can return 64-bit integers. The current acpi_evaluate_integer only supports 64-bit integers on 64-bit platforms. Change the argument to take a pointer to an acpi_integer so we support 64-bit integers on all platforms. lenb: replaced use of "acpi_integer" with "unsigned long long" lenb: fixed bug in acpi_thermal_trips_update() Signed-off-by: NMatthew Wilcox <willy@linux.intel.com> Signed-off-by: NLen Brown <len.brown@intel.com>
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由 Pavel Machek 提交于
Catch attempts to use of acpi_driver_data on pointers of wrong type. akpm: rewritten to use proper C typechecking and remove the "function"-used-as-lvalue thing. Signed-off-by: NPavel Machek <pavel@suse.cz> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLen Brown <len.brown@intel.com>
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- 24 7月, 2007 1 次提交
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由 Thomas Renninger 提交于
modpost is going to use these to create e.g. acpi:ACPI0001 in modules.alias. Signed-off-by: NThomas Renninger <trenn@suse.de> Signed-off-by: NLen Brown <len.brown@intel.com>
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- 26 4月, 2007 1 次提交
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由 Bjorn Helgaas 提交于
No need to duplicate the existing definitions in include/acpi/actypes.h. syntax only -- no functional change. Signed-off-by: NBjorn Helgaas <bjorn.helgaas@hp.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLen Brown <len.brown@intel.com>
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- 13 2月, 2007 3 次提交
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由 Len Brown 提交于
Cosmetic only. Except in a single case, #define ACPI_*_DRIVER_NAME were invoked 0 or 1 times. Signed-off-by: NLen Brown <len.brown@intel.com>
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由 Len Brown 提交于
It was erroneously used as a description rather than a name. ie. turn this: lenb@se7525gp2:/sys> ls bus/acpi/drivers ACPI AC Adapter Driver ACPI Embedded Controller Driver ACPI Power Resource Driver ACPI Battery Driver ACPI Fan Driver ACPI Processor Driver ACPI Button Driver ACPI PCI Interrupt Link Driver ACPI Thermal Zone Driver ACPI container driver ACPI PCI Root Bridge Driver hpet into this: lenb@se7525gp2:~> ls /sys/bus/acpi/drivers ac battery button container ec fan hpet pci_link pci_root power processor thermal Signed-off-by: NLen Brown <len.brown@intel.com>
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由 Len Brown 提交于
cosmetic only Make "module name" actually match the file name. Invoke with ';' as leaving it off confuses Lindent and gcc doesn't care. Fix indentation where Lindent did get confused. Signed-off-by: NLen Brown <len.brown@intel.com>
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- 21 12月, 2006 1 次提交
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由 Burman Yan 提交于
Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLen Brown <len.brown@intel.com>
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