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2010-02-16ACPI: fix High cpu temperature with 2.6.32Arjan van de Ven
Since the rewrite of the CPU idle governor in 2.6.32, two laptops have surfaced where the BIOS advertises a C2 power state, but for some reason this state is not functioning (as verified in both cases by powertop before the patch in .32). The old governor had the accidental behavior that if a non-working state was chosen too many times, it would end up falling back to C1. The new governor works differently and this accidental behavior is no longer there; the result is a high temperature on these two machines. This patch adds these 2 machines to the DMI table for C state anomalies; by just not using C2 both these machines are better off (the TSC can be used instead of the pm timer, giving a performance boost for example). Addresses http://bugzilla.kernel.org/show_bug.cgi?id=14742 Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Reported-by: <akwatts@ymail.com> Cc: <stable@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Len Brown <len.brown@intel.com>
2010-02-16ACPI: dock: properly initialize local struct dock_station in dock_add()Alex Chiang
Commit fe06fba2 (ACPI: dock: add struct dock_station * directly to platform device data) changed dock_add() to use the platform_device_register_data() API. We passed that interface a stack variable, which is kmemdup'ed and assigned to the device's platform_data pointer. Unfortunately, whatever random garbage is in the stack variable gets coped during the kmemdup, and that leads to broken behavior. Explicitly zero out the structure before passing it to the API. This fixes the T41 docking button issue: http://bugzilla.kernel.org/show_bug.cgi?id=15000 Cc: stable@kernel.org Reported-by: Chris Mason <chris.mason@oracle.com> Signed-off-by: Alex Chiang <achiang@hp.com> Signed-off-by: Len Brown <len.brown@intel.com>
2010-02-16ALSA: USB MIDI support for Access Music VirusTISebastien Alaiwan
Here's a patch that adds MIDI support through USB for one of the Access Music synths, the VirusTI. The synth uses standard USBMIDI protocol on its USB interface 3, although it does signal "vendor specific" class. A magic string has to be sent on interface 3 to enable the sending of MIDI from the synth (this string was found by sniffing usb communication of the Windows driver). This is all my patch does, and it works on my computer. Please note that the synth can also do standard usb audio I/O on its interfaces 2&3, which already works with the current snd-usb-audio driver, except for the audio input from the synth. I'm going to work on it when I have some time. Signed-off-by: Sebastien Alaiwan <sebastien.alaiwan@gmail.com> Signed-off-by: Clemens Ladisch <clemens@ladisch.de> (cosmetics, list terminator) Signed-off-by: Jaroslav Kysela <perex@perex.cz>
2010-02-16ACPI: remove Asus P2B-DS from acpi=ht blacklistLen Brown
We realized when we broke acpi=ht http://bugzilla.kernel.org/show_bug.cgi?id=14886 that acpi=ht is not needed on this box and folks have been using acpi=force on it anyway. Signed-off-by: Len Brown <len.brown@intel.com>
2010-02-16sh: Prevent fixed slot PMB remapping from clobbering boot entries.Paul Mundt
The PMB initialization code walks the entries and synchronizes the software PMB state with the hardware mappings, preserving the slot index. Unfortunately pmb_alloc() only tested the bit position in the entry map and failed to set it, resulting in subsequent remaps being able to be dynamically assigned a slot that trampled an existing boot mapping with general badness ensuing. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-02-16thinkpad-acpi: wrong thermal attribute_group removed in thermal_exit()Roel Kluin
sysfs_remove_group() removed the wrong attribute_group for thermal_read_mode TPEC_8, ACPI_TMP07 and ACPI_UPDT Signed-off-by: Roel Kluin <roel.kluin@gmail.com> Acked-by: Henrique de Moraes Holschuh <ibm-acpi@hmh.eng.br> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Len Brown <len.brown@intel.com>
2010-02-16ALSA: usb-audio: reduce MIDI packet size to work around broken firmwareClemens Ladisch
Extend the list of devices whose firmware does not expect more than one USB MIDI packet in one USB packet. bug report: https://bugtrack.alsa-project.org/alsa-bug/view.php?id=3752 Signed-off-by: Clemens Ladisch <clemens@ladisch.de> Cc: <stable@kernel.org> Signed-off-by: Jaroslav Kysela <perex@perex.cz>
2010-02-15ixgbe: fix WOL register setup for 82599Don Skidmore
We need to have the WUS register set to all 1's in order for the hardware to be capable of ever waking up. Set it here in the ixgbe_probe(). Signed-off-by: Don Skidmore <donald.c.skidmore@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-02-15ixgbe: Fix - Do not allow Rx FC on 82598 at 1G due to errataDon Skidmore
The 82598 has an erratum that receipt of pause frames at 1G could lead to a Tx Hang. To avoid this this patch disables Rx FC while at 1G speed for all 82598 parts. Signed-off-by: Don Skidmore <donald.c.skidmore@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-02-16sh: Fix zImage boot using fixed PMB.Nobuhiro Iwamatsu
Signed-off-by: Nobuhiro Iwamatsu <iwamatsu.nobuhiro@renesas.com> Signed-off-by: Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-02-16sh: fix sh7724 SDHI support using INTC force_disableMagnus Damm
Update the sh7724 INTC tables with force_enable support to mask out pending unsupported SDHI interrupt sources. Without this patch the kernel locks up due to a pending SDHI interrupt that the tmio_mmc driver cannot handle. Signed-off-by: Magnus Damm <damm@opensource.se> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-02-16sh: extend INTC with force_disableMagnus Damm
Extend the shared INTC code with force_disable support to allow keeping mask bits statically disabled. Needed for SDHI support to mask out unsupported interrupt sources. Signed-off-by: Magnus Damm <damm@opensource.se> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-02-16video: sh_mobile_lcdcfb: Fix panning.Phil Edworthy
Fixed SH-Mobile panning. Previously the address of the frame to be displayed was updated in the VSync end interrupt. This meant there was a minimum of 1 frame bewteen calling FBIOPAN_DISPLAY ioctl and the pan occuring. This meant that apps were not able to use the FBIO_WAITFORVSYNC ioctl to wait for the pan to complete. This patch moves the write to LDSA1R mirror reg into the pan ioctl. Tested on MS7724 board against 2.6.33-rc7 Signed-off-by: Phil Edworthy <phil.edworthy@renesas.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-02-16video: sh_mobile_lcdcfb: Add wait for vsync.Phil Edworthy
Added FBIO_WAITFORVSYNC ioctl for SH-Mobile devices. Tested on MS7724 and MigoR boards against 2.6.33-rc7. Signed-off-by: Phil Edworthy <phil.edworthy@renesas.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-02-15Merge git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstableLinus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable: Btrfs: btrfs_mark_extent_written uses the wrong slot
2010-02-15Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6: firewire: ohci: retransmit isochronous transmit packets on cycle loss firewire: net: fix panic in fwnet_write_complete
2010-02-15Merge branch 'fix/hda' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6 * 'fix/hda' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6: ALSA: hda - Correct ASUA blacklist for MSI brokenness
2010-02-15NFS: Too many GETATTR and ACCESS calls after direct I/OChuck Lever
The cached read and write paths initialize fattr->time_start in their setup procedures. The value of fattr->time_start is propagated to read_cache_jiffies by nfs_update_inode(). Subsequent calls to nfs_attribute_timeout() will then use a good time stamp when computing the attribute cache timeout, and squelch unneeded GETATTR calls. Since the direct I/O paths erroneously leave the inode's fattr->time_start field set to zero, read_cache_jiffies for that inode is set to zero after any direct read or write operation. This triggers an otw GETATTR or ACCESS call to update the file's attribute and access caches properly, even when the NFS READ or WRITE replies have usable post-op attributes. Make sure the direct read and write setup code performs the same fattr initialization as the cached I/O paths to prevent unnecessary GETATTR calls. This was likely introduced by commit 0e574af1 in 2.6.15, which appears to add new nfs_fattr_init() call sites in the cached read and write paths, but not in the equivalent places in fs/nfs/direct.c. A subsequent commit in the same series, 33801147, introduces the fattr->time_start field. Interestingly, the direct write reschedule path already has a call to nfs_fattr_init() in the right place. Reported-by: Quentin Barnes <qbarnes@yahoo-inc.com> Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Cc: stable@kernel.org Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-02-15Merge branch 'timers-fixes-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'timers-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: hrtimer, softirq: Fix hrtimer->softirq trampoline
2010-02-15Merge branch 'reiserfs/kill-bkl' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/frederic/random-tracing * 'reiserfs/kill-bkl' of git://git.kernel.org/pub/scm/linux/kernel/git/frederic/random-tracing: reiserfs: Fix softlockup while waiting on an inode
2010-02-15Merge branch 'drm-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6 * 'drm-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6: drm/radeon/kms: make sure retry count increases. drm/radeon/kms/atom: use get_unaligned_le32() for ctx->ps drm/ttm: Fix a bug occuring when validating a buffer object in a range. drm: Fix a bug in the range manager.
2010-02-15Merge branch 'sh/for-2.6.33' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6 * 'sh/for-2.6.33' of git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6: sh64: fix tracing of signals.
2010-02-15Merge branch 'tracing-fixes-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'tracing-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: tracing/kprobes: Fix probe parsing tracing: Fix circular dead lock in stack trace
2010-02-15Merge branch 'perf-fixes-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'perf-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: perf top: Fix help text alignment perf: Fix hypervisor sample reporting perf: Make bp_len type to u64 generic across the arch
2010-02-15x86, mtrr: Kill over the top warnAlan Cox
Fixes bugzilla: http://bugzilla.kernel.org/show_bug.cgi?id=12558 Fixes bugzilla: http://bugzilla.kernel.org/show_bug.cgi?id=12317 (and if this really needed to be a warn you'd be responding to the bugs left in bugzilla from it...) Signed-off-by: Alan Cox <alan@linux.intel.com> LKML-Reference: <20100208100239.2568.2940.stgit@localhost.localdomain> Signed-off-by: H. Peter Anvin <hpa@zytor.com>
2010-02-16drm/nouveau: Force TV encoder DPMS reinit after resume.Francisco Jerez
Signed-off-by: Francisco Jerez <currojerez@riseup.net> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2010-02-16drm/nouveau: use mutex for vbios lockBen Skeggs
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2010-02-15x86, numa: Remove configurable node size support for numa emulationDavid Rientjes
Now that numa=fake=<size>[MG] is implemented, it is possible to remove configurable node size support. The command-line parsing was already broken (numa=fake=*128, for example, would not work) and since fake nodes are now interleaved over physical nodes, this support is no longer required. Signed-off-by: David Rientjes <rientjes@google.com> LKML-Reference: <alpine.DEB.2.00.1002151343080.26927@chino.kir.corp.google.com> Signed-off-by: H. Peter Anvin <hpa@zytor.com>
2010-02-15x86, numa: Add fixed node size option for numa emulationDavid Rientjes
numa=fake=N specifies the number of fake nodes, N, to partition the system into and then allocates them by interleaving over physical nodes. This requires knowledge of the system capacity when attempting to allocate nodes of a certain size: either very large nodes to benchmark scalability of code that operates on individual nodes, or very small nodes to find bugs in the VM. This patch introduces numa=fake=<size>[MG] so it is possible to specify the size of each node to allocate. When used, nodes of the size specified will be allocated and interleaved over the set of physical nodes. FAKE_NODE_MIN_SIZE was also moved to the more-appropriate include/asm/numa_64.h. Signed-off-by: David Rientjes <rientjes@google.com> LKML-Reference: <alpine.DEB.2.00.1002151342510.26927@chino.kir.corp.google.com> Signed-off-by: H. Peter Anvin <hpa@zytor.com>
2010-02-15x86, numa: Fix numa emulation calculation of big nodesDavid Rientjes
numa=fake=N uses split_nodes_interleave() to partition the system into N fake nodes. Each node size must have be a multiple of FAKE_NODE_MIN_SIZE, otherwise it is possible to get strange alignments. Because of this, the remaining memory from each node when rounded to FAKE_NODE_MIN_SIZE is consolidated into a number of "big nodes" that are bigger than the rest. The calculation of the number of big nodes is incorrect since it is using a logical AND operator when it should be multiplying the rounded-off portion of each node with N. Signed-off-by: David Rientjes <rientjes@google.com> LKML-Reference: <alpine.DEB.2.00.1002151342230.26927@chino.kir.corp.google.com> Signed-off-by: H. Peter Anvin <hpa@zytor.com>
2010-02-15ARM: 5930/1: Add PKMAP area description to memory.txt.Fenkart/Bostandzhyan
Also adapts delimiters of neighbouring modules area. Tested-by: H Hartley Sweeten <hsweeten@visionengravers.com> Signed-off-by: Andreas Fenkart <andreas.fenkart@streamunlimited.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-02-15ARM: 5929/1: Add checks to detect overlap of memory regions.Fenkart/Bostandzhyan
Tested-by: H Hartley Sweeten <hsweeten@visionengravers.com> Signed-off-by: Andreas Fenkart <andreas.fenkart@streamunlimited.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-02-15ARM: 5928/1: Change type of VMALLOC_END to unsigned long.Fenkart/Bostandzhyan
Makes it consistent with VMALLOC_START Tested-by: H Hartley Sweeten <hsweeten@visionengravers.com> Signed-off-by: Andreas Fenkart <andreas.fenkart@streamunlimited.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-02-15ARM: 5927/1: Make delimiters of DMA area globally visibly.Fenkart/Bostandzhyan
Adds DMA area to 'virtual memory map' startup message Tested-by: H Hartley Sweeten <hsweeten@visionengravers.com> Signed-off-by: Andreas Fenkart <andreas.fenkart@streamunlimited.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-02-15ARM: 5926/1: Add "Virtual kernel memory..." printout.Fenkart/Bostandzhyan
Code based on parisc and x86_32. Tested-by: H Hartley Sweeten <hsweeten@visionengravers.com> Signed-off-by: Andreas Fenkart <andreas.fenkart@streamunlimited.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-02-15ARM: 5920/1: OMAP4: Enable L2 CacheSantosh Shilimkar
This patch enables L2 cache and associated Errata on the OMAP4430 SDP. Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com> Acked-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-02-15ARM: 5919/1: ARM: L2 : Errata 588369: Clean & Invalidate do not invalidate ↵Santosh Shilimkar
clean lines This patch implements the work-around for the errata 588369.The secure API is used to alter L2 debug register because of trust-zone. This version updated with comments from Russell and Catalin and generated against 2.6.33-rc6 mainline kernel. Detail comments can be found: http://www.spinics.net/lists/linux-omap/msg23431.html Signed-off-by: Woodruff Richard <r-woodruff2@ti.com> Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com> Acked-by: Catalin Marinas <catalin.marinas@arm.com> Acked-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-02-15ARM: 5917/1: OMAP4: Add L2 Cache supportSantosh Shilimkar
This patch adds L2 Cache support for OMAP4. External L2 cache is used in OMAP4 CC: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com> Acked-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-02-15ARM: 5916/1: ARM: L2 : Add maintainace by line helper functionsSantosh Shilimkar
This patch adds the cache maintainance by line helper functions. Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com> Acked-by: Catalin Marinas <catalin.marinas@arm.com> Acked-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-02-15ARM: vfp ptrace: no point flushing hw context for PTRACE_GETVFPREGSRussell King
If we're only reading the VFP context via the ptrace call, there's no need to invalidate the hardware context - we only need to do that on PTRACE_SETVFPREGS. This allows more efficient monitoring of a traced task. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-02-15ARM: vfp: fix vfp_sync_state()Russell King
The more I look at vfp_sync_state(), the more I believe it's trying to do its job in a really obscure way. Essentially, last_VFP_context[] tracks who owns the state in the VFP hardware. If last_VFP_context[] is the context for the thread which we're interested in, then the VFP hardware has context which is not saved in the software state - so we need to bring the software state up to date. If last_VFP_context[] is for some other thread, we really don't care what state the VFP hardware is in; it doesn't contain any information pertinent to the thread we're trying to deal with - so don't touch the hardware. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-02-15ARM: ptrace: get rid of PTRACE_{PEEK,POKE}{TEXT,DATA}Russell King
The generic ptrace_request() handles these for us, so there's no need to duplicate them in arch code. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-02-15ARM: 5912/1: Define a 32-bit Thumb-2 breakpoint instructionDaniel Jacobowitz
Recognize 0xf7f0 0xa000 as a 32-bit breakpoint instruction for Thumb-2. Signed-off-by: Daniel Jacobowitz <dan@codesourcery.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-02-15ARM: 5911/1: ARM: Select CPU_32v6K for CPU_V7 only if ARCH_OMAP2 is not selectedTony Lindgren
Otherwise the kernel built with both CPU_V6 and CPU_V7 will not boot on omap2. Signed-off-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-02-15ARM: 5905/1: ARM: Global ASID allocation on SMPCatalin Marinas
The current ASID allocation algorithm doesn't ensure the notification of the other CPUs when the ASID rolls over. This may lead to two processes using the same ASID (but different generation) or multiple threads of the same process using different ASIDs. This patch adds the broadcasting of the ASID rollover event to the other CPUs. To avoid a race on multiple CPUs modifying "cpu_last_asid" during the handling of the broadcast, the ASID numbering now starts at "smp_processor_id() + 1". At rollover, the cpu_last_asid will be set to NR_CPUS. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-02-15ARM: 5906/1: arm: change command_line to cmd_lineJeremy Kerr
drivers/of/fdt expects a cmd_line symbol, while arm uses command_line. Change to the former, so that we can eventually share with the fdt code. Signed-off-by: Jeremy Kerr <jeremy.kerr@canonical.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-02-15ARM: 5897/1: spinlock: don't use deprecated barriers on ARMv7Rabin Vincent
On ARMv7, the use of the cp15 operations for barriers is deprecated in favour of the isb, dsb, and dmb instructions. Change the locking functions to use the appropriate type of dsb for the architecture being built for. Signed-off-by: Rabin Vincent <rabin@rab.in> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-02-15ARM: 5889/1: Add atomic64 routines for ARMv6k and above.Will Deacon
In preparation for perf-events support, ARM needs to support atomic64_t operations. v6k and above support the ldrexd and strexd instructions to do just that. This patch adds atomic64 support to the ARM architecture. v6k and above make use of new instructions whilst older cores fall back on the generic solution using spinlocks. If and when v7-M cores are supported by Linux, they will need to fall back on the spinlock implementation too. Signed-off-by: Will Deacon <will.deacon@arm.com> Acked-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-02-15ARM: add notify_die() supportRussell King
Kernel debuggers want to be informed of die() events, so that they can take some action to allow the problem to be inspected. Provide the hook in a similar manner to x86. Note that we currently don't implement the individual trap hooks. Acked-by: Jason Wessel <jason.wessel@windriver.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-02-15ARM: 5880/1: arm: use generic infrastructure for early paramsJeremy Kerr
The ARM setup code includes its own parser for early params, there's also one in the generic init code. This patch removes __early_init (and related code) from arch/arm/kernel/setup.c, and changes users to the generic early_init macro instead. The generic macro takes a char * argument, rather than char **, so we need to update the parser functions a little. Signed-off-by: Jeremy Kerr <jeremy.kerr@canonical.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>