- 13 Sep, 2008 1 commit
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David Brownell authored
Provide summary ABI docs about the /sys/class/gpio files. Signed-off-by:
David Brownell <dbrownell@users.sourceforge.net> Cc: Greg Kroah-Hartman <gregkh@suse.de> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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- 03 Sep, 2008 1 commit
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Russ Anderson authored
Document files in /sys/firmware/sgi_uv/. Signed-off-by:
Russ Anderson <rja@sgi.com> Cc: Jack Steiner <steiner@sgi.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Thomas Gleixner <tglx@linutronix.de> Acked-by:
Greg Kroah-Hartman <gregkh@suse.de> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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- 30 Jul, 2008 1 commit
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Liam Girdwood authored
This adds documentation describing the sysfs ABI used by the regulator framework. Signed-off-by:
Liam Girdwood <lg@opensource.wolfsonmicro.com>
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- 24 Jul, 2008 3 commits
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Badari Pulavarty authored
Memory may be hot-removed on a per-memory-block basis, particularly on POWER where the SPARSEMEM section size often matches the memory-block size. A user-level agent must be able to identify which sections of memory are likely to be removable before attempting the potentially expensive operation. This patch adds a file called "removable" to the memory directory in sysfs to help such an agent. In this patch, a memory block is considered removable if; o It contains only MOVABLE pageblocks o It contains only pageblocks with free pages regardless of pageblock type On the other hand, a memory block starting with a PageReserved() page will never be considered removable. Without this patch, the user-agent is forced to choose a memory block to remove randomly. Sample output of the sysfs files: ./memory/memory0/removable: 0 ./memory/memory1/removable: 0 ./memory/memory2/removable: 0 ./memory/memory3/removable: 0 ./memory/memory4/removable: 0 ./memory/memory5/removable: 0 ./memory/memory6/removable: 0 ./memory/memory7/removable: 1 ./memory/memory8/removable: 0 ./memory/memory9/removable: 0 ./memory/memory10/removable: 0 ./memory/memory11/removable: 0 ./memory/memory12/removable: 0 ./memory/memory13/removable: 0 ./memory/memory14/removable: 0 ./memory/memory15/removable: 0 ./memory/memory16/removable: 0 ./memory/memory17/removable: 1 ./memory/memory18/removable: 1 ./memory/memory19/removable: 1 ./memory/memory20/removable: 1 ./memory/memory21/removable: 1 ./memory/memory22/removable: 1 Signed-off-by:
Badari Pulavarty <pbadari@us.ibm.com> Signed-off-by:
Mel Gorman <mel@csn.ul.ie> Acked-by:
KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Nishanth Aravamudan authored
Provide new hugepages user APIs that are more suited to multiple hstates in sysfs. There is a new directory, /sys/kernel/hugepages. Underneath that directory there will be a directory per-supported hugepage size, e.g.: /sys/kernel/hugepages/hugepages-64kB /sys/kernel/hugepages/hugepages-16384kB /sys/kernel/hugepages/hugepages-16777216kB corresponding to 64k, 16m and 16g respectively. Within each hugepages-size directory there are a number of files, corresponding to the tracked counters in the hstate, e.g.: /sys/kernel/hugepages/hugepages-64/nr_hugepages /sys/kernel/hugepages/hugepages-64/nr_overcommit_hugepages /sys/kernel/hugepages/hugepages-64/free_hugepages /sys/kernel/hugepages/hugepages-64/resv_hugepages /sys/kernel/hugepages/hugepages-64/surplus_hugepages Of these files, the first two are read-write and the latter three are read-only. The size of the hugepage being manipulated is trivially deducible from the enclosing directory and is always expressed in kB (to match meminfo). [dave@linux.vnet.ibm.com: fix build] [nacc@us.ibm.com: hugetlb: hang off of /sys/kernel/mm rather than /sys/kernel] [nacc@us.ibm.com: hugetlb: remove CONFIG_SYSFS dependency] Acked-by:
Greg Kroah-Hartman <gregkh@suse.de> Signed-off-by:
Nishanth Aravamudan <nacc@us.ibm.com> Signed-off-by:
Nick Piggin <npiggin@suse.de> Cc: Dave Hansen <dave@linux.vnet.ibm.com> Signed-off-by:
Nishanth Aravamudan <nacc@us.ibm.com> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Nishanth Aravamudan authored
Add a kobject to create /sys/kernel/mm when sysfs is mounted. The kobject will exist regardless. This will allow for the hugepage related sysfs directories to exist under the mm "subsystem" directory. Add an ABI file appropriately. [kosaki.motohiro@jp.fujitsu.com: fix build] Signed-off-by:
Nishanth Aravamudan <nacc@us.ibm.com> Cc: Nick Piggin <nickpiggin@yahoo.com.au> Cc: Mel Gorman <mel@csn.ul.ie> Signed-off-by:
KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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- 22 Jul, 2008 1 commit
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Dan Williams authored
Why?: There are occasions where userspace would like to access sysfs attributes for a device but it may not know how sysfs has named the device or the path. For example what is the sysfs path for /dev/disk/by-id/ata-ST3160827AS_5MT004CK? With this change a call to stat(2) returns the major:minor then userspace can see that /sys/dev/block/8:32 links to /sys/block/sdc. What are the alternatives?: 1/ Add an ioctl to return the path: Doable, but sysfs is meant to reduce the need to proliferate ioctl interfaces into the kernel, so this seems counter productive. 2/ Use udev to create these symlinks: Also doable, but it adds a udev dependency to utilities that might be running in a limited environment like an initramfs. 3/ Do a full-tree search of sysfs. [kay.sievers@vrfy.org: fix duplicate registrations] [kay.sievers@vrfy.org: cleanup suggestions] Cc: Neil Brown <neilb@suse.de> Cc: Tejun Heo <htejun@gmail.com> Acked-by:
Kay Sievers <kay.sievers@vrfy.org> Reviewed-by:
SL Baur <steve@xemacs.org> Acked-by:
Kay Sievers <kay.sievers@vrfy.org> Acked-by:
Mark Lord <lkml@rtr.ca> Acked-by:
H. Peter Anvin <hpa@zytor.com> Signed-off-by:
Dan Williams <dan.j.williams@intel.com> Signed-off-by:
Greg Kroah-Hartman <gregkh@suse.de>
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- 16 Jul, 2008 1 commit
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Zhang Rui authored
Allow users to enable/disable/clear a specific & valid GPE/Fixed Event in user space. This is useful for debugging, especially for some interrupt storm issues. All wakeup GPEs are disabled and they can not be enabled at runtime, and we mark them as invalid. All GPEs that don't have a _Lxx/_Exx method are marked as invalid. All Fixed Events that don't have an event handler are marked as invalid and they can't be enabled until an event handler is registered. Signed-off-by:
Zhang Rui <rui.zhang@intel.com> Signed-off-by:
Ling Ming <ming.m.lin@intel.com> Signed-off-by:
Len Brown <len.brown@intel.com> Signed-off-by:
Andi Kleen <ak@linux.intel.com>
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- 14 Jul, 2008 1 commit
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Cornelia Huck authored
Add modalias and subchannel type attributes for all subchannels. I/O subchannel specific attributes are now created in io_subchannel_probe(). modalias and subchannel type are also added to the uevent for the css bus. Also make the css modalias known. Signed-off-by:
Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by:
Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by:
Heiko Carstens <heiko.carstens@de.ibm.com>
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- 08 Jul, 2008 1 commit
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Bernhard Walle authored
This patch adds /sys/firmware/memmap interface that represents the BIOS (or Firmware) provided memory map. The tree looks like: /sys/firmware/memmap/0/start (hex number) end (hex number) type (string) ... /1/start end type With the following shell snippet one can print the memory map in the same form the kernel prints itself when booting on x86 (the E820 map). --------- 8< -------------------------- #!/bin/sh cd /sys/firmware/memmap for dir in * ; do start=$(cat $dir/start) end=$(cat $dir/end) type=$(cat $dir/type) printf "%016x-%016x (%s)\n" $start $[ $end +1] "$type" done --------- >8 -------------------------- That patch only provides the needed interface: 1. The sysfs interface. 2. The structure and enumeration definition. 3. The function firmware_map_add() and firmware_map_add_early() that should be called from architecture code (E820/EFI, for example) to add the contents to the interface. If the kernel is compiled without CONFIG_FIRMWARE_MEMMAP, the interface does nothing without cluttering the architecture-specific code with #ifdef's. The purpose of the new interface is kexec: While /proc/iomem represents the *used* memory map (e.g. modified via kernel parameters like 'memmap' and 'mem'), the /sys/firmware/memmap tree represents the unmodified memory map provided via the firmware. So kexec can: - use the original memory map for rebooting, - use the /proc/iomem for setting up the ELF core headers for kdump case that should only represent the memory of the system. The patch has been tested on i386 and x86_64. Signed-off-by:
Bernhard Walle <bwalle@suse.de> Acked-by:
Greg KH <gregkh@suse.de> Acked-by:
Vivek Goyal <vgoyal@redhat.com> Cc: kexec@lists.infradead.org Cc: yhlu.kernel@gmail.com Signed-off-by:
Ingo Molnar <mingo@elte.hu>
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- 03 Jul, 2008 1 commit
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Martin K. Petersen authored
Signed-off-by:
Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by:
Jens Axboe <jens.axboe@oracle.com>
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- 24 May, 2008 1 commit
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Miklos Szeredi authored
Fuse allocates a separate bdi for each filesystem, and registers them in sysfs with "MAJOR:MINOR" of sb->s_dev (st_dev). This works fine for anon devices normally used by fuse, but can conflict with an already registered BDI for "fuseblk" filesystems, where sb->s_dev represents a real block device. In particularl this happens if a non-partitioned device is being mounted. Fix by registering with a different name for "fuseblk" filesystems. Thanks to Ioan Ionita for the bug report. Signed-off-by:
Miklos Szeredi <mszeredi@suse.cz> Reported-by:
Ioan Ionita <opslynx@gmail.com> Tested-by:
Ioan Ionita <opslynx@gmail.com> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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- 30 Apr, 2008 4 commits
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Miklos Szeredi authored
Move BDI statistics to debugfs: /sys/kernel/debug/bdi/<bdi>/stats Use postcore_initcall() to initialize the sysfs class and debugfs, because debugfs is initialized in core_initcall(). Update descriptions in ABI documentation. Signed-off-by:
Miklos Szeredi <mszeredi@suse.cz> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Peter Zijlstra authored
Add "max_ratio" to /sys/class/bdi. This indicates the maximum percentage of the global dirty threshold allocated to this bdi. [mszeredi@suse.cz] - fix parsing in max_ratio_store(). - export bdi_set_max_ratio() to modules - limit bdi_dirty with bdi->max_ratio - document new sysfs attribute Signed-off-by:
Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by:
Miklos Szeredi <mszeredi@suse.cz> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Peter Zijlstra authored
Under normal circumstances each device is given a part of the total write-back cache that relates to its current avg writeout speed in relation to the other devices. min_ratio - allows one to assign a minimum portion of the write-back cache to a particular device. This is useful in situations where you might want to provide a minimum QoS. (One request for this feature came from flash based storage people who wanted to avoid writing out at all costs - they of course needed some pdflush hacks as well) max_ratio - allows one to assign a maximum portion of the dirty limit to a particular device. This is useful in situations where you want to avoid one device taking all or most of the write-back cache. Eg. an NFS mount that is prone to get stuck, or a FUSE mount which you don't trust to play fair. Add "min_ratio" to /sys/class/bdi. This indicates the minimum percentage of the global dirty threshold allocated to this bdi. [mszeredi@suse.cz] - fix parsing in min_ratio_store() - document new sysfs attribute Signed-off-by:
Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by:
Miklos Szeredi <mszeredi@suse.cz> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Peter Zijlstra authored
Provide a place in sysfs (/sys/class/bdi) for the backing_dev_info object. This allows us to see and set the various BDI specific variables. In particular this properly exposes the read-ahead window for all relevant users and /sys/block/<block>/queue/read_ahead_kb should be deprecated. With patient help from Kay Sievers and Greg KH [mszeredi@suse.cz] - split off NFS and FUSE changes into separate patches - document new sysfs attributes under Documentation/ABI - do bdi_class_init as a core_initcall, otherwise the "default" BDI won't be initialized - remove bdi_init_fmt macro, it's not used very much [akpm@linux-foundation.org: fix ia64 warning] Signed-off-by:
Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Kay Sievers <kay.sievers@vrfy.org> Acked-by:
Greg KH <greg@kroah.com> Cc: Trond Myklebust <trond.myklebust@fys.uio.no> Signed-off-by:
Miklos Szeredi <mszeredi@suse.cz> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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- 21 Apr, 2008 1 commit
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Ben Hutchings authored
Vital Product Data (VPD) may be exposed by PCI devices in several ways. It is generally unsafe to read this information through the existing interfaces to user-land because of stateful interfaces. This adds: - abstract operations for VPD access (struct pci_vpd_ops) - VPD state information in struct pci_dev (struct pci_vpd) - an implementation of the VPD access method specified in PCI 2.2 (in access.c) - a 'vpd' binary file in sysfs directories for PCI devices with VPD operations defined It adds a probe for PCI 2.2 VPD in pci_scan_device() and release of VPD state in pci_release_dev(). Signed-off-by:
Ben Hutchings <bhutchings@solarflare.com> Signed-off-by:
Greg Kroah-Hartman <gregkh@suse.de>
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- 20 Apr, 2008 1 commit
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Konrad Rzeszutek authored
Add /sysfs/firmware/ibft/[initiator|targetX|ethernetX] directories along with text properties which export the the iSCSI Boot Firmware Table (iBFT) structure. What is iSCSI Boot Firmware Table? It is a mechanism for the iSCSI tools to extract from the machine NICs the iSCSI connection information so that they can automagically mount the iSCSI share/target. Currently the iSCSI information is hard-coded in the initrd. The /sysfs entries are read-only one-name-and-value fields. The usual set of data exposed is: # for a in `find /sys/firmware/ibft/ -type f -print`; do echo -n "$a: "; cat $a; done /sys/firmware/ibft/target0/target-name: iqn.2007.com.intel-sbx44:storage-10gb /sys/firmware/ibft/target0/nic-assoc: 0 /sys/firmware/ibft/target0/chap-type: 0 /sys/firmware/ibft/target0/lun: 00000000 /sys/firmware/ibft/target0/port: 3260 /sys/firmware/ibft/target0/ip-addr: 192.168.79.116 /sys/firmware/ibft/target0/flags: 3 /sys/firmware/ibft/target0/index: 0 /sys/firmware/ibft/ethernet0/mac: 00:11:25:9d:8b:01 /sys/firmware/ibft/ethernet0/vlan: 0 /sys/firmware/ibft/ethernet0/gateway: 192.168.79.254 /sys/firmware/ibft/ethernet0/origin: 0 /sys/firmware/ibft/ethernet0/subnet-mask: 255.255.252.0 /sys/firmware/ibft/ethernet0/ip-addr: 192.168.77.41 /sys/firmware/ibft/ethernet0/flags: 7 /sys/firmware/ibft/ethernet0/index: 0 /sys/firmware/ibft/initiator/initiator-name: iqn.2007-07.com:konrad.initiator /sys/firmware/ibft/initiator/flags: 3 /sys/firmware/ibft/initiator/index: 0 For full details of the IBFT structure please take a look at: ftp://ftp.software.ibm.com/systems/support/system_x_pdf/ibm_iscsi_boot_firmware_table_v1.02.pdf [akpm@linux-foundation.org: fix build] Signed-off-by:
Konrad Rzeszutek <konradr@linux.vnet.ibm.com> Cc: Mike Christie <michaelc@cs.wisc.edu> Cc: Peter Jones <pjones@redhat.com> Cc: James Bottomley <James.Bottomley@HansenPartnership.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Thomas Gleixner <tglx@linutronix.de> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Greg Kroah-Hartman <gregkh@suse.de>
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- 18 Apr, 2008 2 commits
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Mark Fasheh authored
/sys/fs is where we really want file system specific sysfs objects. Ocfs2-tools has been updated to look in /sys/fs/o2cb. We can maintain backwards compatibility with old ocfs2-tools by using a sysfs symlink. After some time (2 years), the symlink can be safely removed. This patch also adds documentation to make it easier for people to figure out what /sys/fs/o2cb is used for. Signed-off-by:
Mark Fasheh <mfasheh@suse.com>
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Joel Becker authored
Add ABI documentation for these files: /sys/fs/ocfs2/max_locking_protocol /sys/fs/ocfs2/loaded_cluster_plugins /sys/fs/ocfs2/active_cluster_plugin /sys/fs/ocfs2/cluster_stack Signed-off-by:
Joel Becker <joel.becker@oracle.com> Signed-off-by:
Mark Fasheh <mfasheh@suse.com>
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- 17 Apr, 2008 1 commit
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Artem Bityutskiy authored
Signed-off-by:
Artem Bityutskiy <Artem.Bityutskiy@nokia.com> Acked-by:
Greg KH <greg@kroah.com>
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- 08 Feb, 2008 1 commit
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Jerome Marchand authored
Update the documentation to reflect the change in userspace interface. Signed-off-by:
Jerome Marchand <jmarchan@redhat.com> Signed-off-by:
Jens Axboe <jens.axboe@oracle.com>
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- 07 Feb, 2008 2 commits
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J. Bruce Fields authored
The top-level Documentation/ directory is unmanageably large, so we should take any obvious opportunities to move stuff into subdirectories. These sched-*.txt files seem an obvious easy case. Signed-off-by:
J. Bruce Fields <bfields@citi.umich.edu> Cc: Ingo Molnar <mingo@elte.hu> Acked-by:
Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Len Brown authored
See Documentation/ABI/testing/sysfs-firmware-acpi Based-on-original-patch-by:
Luming Yu <luming.yu@intel.com> Acked-by:
Greg Kroah-Hartman <gregkh@suse.de> Signed-off-by:
Len Brown <len.brown@intel.com>
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- 01 Feb, 2008 1 commit
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Sarah Sharp authored
This documents two newly created files: /sys/bus/usb/device/.../power/connected_duration /sys/bus/usb/device/.../power/active_duration Documentation was placed in Documentation/ABI/testing, since that's where the documentation is for the other USB sysfs power files. Signed-off-by:
Sarah Sharp <sarah.a.sharp@intel.com> Signed-off-by:
Greg Kroah-Hartman <gregkh@suse.de>
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- 17 Dec, 2007 1 commit
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Dhaval Giani authored
This patch adds documentation about /sys/kernel/uids/<uid>/cpu_share to Documentation/ABI. Signed-off-by:
Dhaval Giani <dhaval@linux.vnet.ibm.com> Cc: Ingo Molnar <mingo@elte.hu> Signed-off-by:
Greg Kroah-Hartman <gregkh@suse.de>
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- 12 Jul, 2007 1 commit
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Alan Stern authored
This patch (as920) adds an extra level of protection to the USB-Persist facility. Now it will apply by default only to hubs; for all other devices the user must enable it explicitly by setting the power/persist device attribute. The disconnect_all_children() routine in hub.c has been removed and its code placed inline. This is the way it was originally as part of hub_pre_reset(); the revised usage in hub_reset_resume() is sufficiently different that the code can no longer be shared. Likewise, mark_children_for_reset() is now inline as part of hub_reset_resume(). The end result looks much cleaner than before. The sysfs interface is updated to add the new attribute file, and there are corresponding documentation updates. Signed-off-by:
Alan Stern <stern@rowland.harvard.edu> Signed-off-by:
Greg Kroah-Hartman <gregkh@suse.de>
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- 09 Jul, 2007 1 commit
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Stefan Richter authored
Based on patch "the scheduled removal of RAW1394_REQ_ISO_{SEND,LISTEN}" from Adrian Bunk, November 20 2006. This patch also removes the underlying facilities in ohci1394 and disables them in pcilynx. That is, hpsb_host_driver.devctl() and hpsb_host_driver.transmit_packet() are no longer used for iso reception and transmission. Since video1394 and dv1394 only work with ohci1394 and raw1394's rawiso interface has never been implemented in pcilynx, pcilynx is now no longer useful for isochronous applications. raw1394 will still handle the request types but will complete the requests with errors that indicate API version conflicts. Signed-off-by:
Stefan Richter <stefanr@s5r6.in-berlin.de>
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- 09 May, 2007 1 commit
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Michael Opdenacker authored
Signed-off-by:
Michael Opdenacker <michael@free-electrons.com> Signed-off-by:
Adrian Bunk <bunk@stusta.de>
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- 27 Apr, 2007 2 commits
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Alan Stern authored
This patch (as874) adds another piece to the user-visible part of the USB autosuspend interface. The new power/level sysfs attribute allows users to force the device on (with autosuspend off), force the device to sleep (with autoresume off), or return to normal automatic operation. Signed-off-by:
Alan Stern <stern@rowland.harvard.edu> Signed-off-by:
Greg Kroah-Hartman <gregkh@suse.de>
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Alan Stern authored
This patch (as867) adds an entry for the new power/autosuspend attribute in Documentation/ABI/testing, and it changes the behavior of the delay value. Now a delay of 0 means to autosuspend as soon as possible, and negative values will prevent autosuspend. Signed-off-by:
Alan Stern <stern@rowland.harvard.edu> Signed-off-by:
Greg Kroah-Hartman <gregkh@suse.de>
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- 09 Apr, 2007 1 commit
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Stefan Richter authored
Nobody ported ffmpeg from dv1394 to rawiso yet, and there is no justification to remove dv1394 right now. Nevertheless, a strong deprecation of this ABI makes a lot of sense, especially as Kristian H's drivers shape up to be an attractive alternative to the existing ones. But we don't have a schedule at the moment. Signed-off-by:
Stefan Richter <stefanr@s5r6.in-berlin.de>
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- 11 Feb, 2007 1 commit
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Thomas Maier authored
- update documentation - use clear_bdi_congested/set_bdi_congested functions directly instead of old wrappers - removed DECLARE_BUF_AS_STRING macro Signed-off-by:
Thomas Maier <balagi@justmail.de> Cc: Peter Osterlund <petero2@telia.com> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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- 08 Dec, 2006 1 commit
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Thomas Maier authored
Add a sysfs and debugfs interface to the pktcdvd driver. Look into the Documentation/ABI/testing/* files in the patch for more info. Signed-off-by:
Thomas Maier <balagi@justmail.de> Signed-off-by:
Peter Osterlund <petero2@telia.com> Signed-off-by:
Andrew Morton <akpm@osdl.org> Signed-off-by:
Linus Torvalds <torvalds@osdl.org>
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- 03 Nov, 2006 1 commit
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Rafael J. Wysocki authored
Add a swsusp debugging mode. This does everything that's needed for a suspend except for actually suspending. So we can look in the log messages and work out a) what code is being slow and b) which drivers are misbehaving. (1) # echo testproc > /sys/power/disk # echo disk > /sys/power/state This should turn off the non-boot CPU, freeze all processes, wait for 5 seconds and then thaw the processes and the CPU. (2) # echo test > /sys/power/disk # echo disk > /sys/power/state This should turn off the non-boot CPU, freeze all processes, shrink memory, suspend all devices, wait for 5 seconds, resume the devices etc. Cc: Pavel Machek <pavel@ucw.cz> Cc: Stefan Seyfried <seife@suse.de> Signed-off-by:
Andrew Morton <akpm@osdl.org> Signed-off-by:
Linus Torvalds <torvalds@osdl.org>
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- 26 Sep, 2006 2 commits
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Rafael J. Wysocki authored
The file sysfs-power that documents the interface in the /sys/power/ directory is added to Documentation/ABI/testing. Signed-off-by:
Rafael J. Wysocki <rjw@sisk.pl> Acked-by:
Pavel Machek <pavel@ucw.cz> Signed-off-by:
Andrew Morton <akpm@osdl.org> Signed-off-by:
Greg Kroah-Hartman <gregkh@suse.de>
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jens m. noedler authored
Signed-off-by:
Jens M. Noedler <noedler@web.de> Signed-off-by:
Greg Kroah-Hartman <gregkh@suse.de>
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- 21 Jun, 2006 1 commit
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Greg Kroah-Hartman authored
Signed-off-by:
Kay Sievers <kay.sievers@suse.de> Signed-off-by:
Greg Kroah-Hartman <gregkh@suse.de>
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