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2011-12-30m68k: init the MMU hardware for the 54xx ColdFireGreg Ungerer
The 54xx ColdFire CPU family has an internal MMU. Up to now though we have only supported running on them with the MMU disabled. Add code to the 54xx ColdFire init sequence to initialize the bootmem used by the usual MMU m68k code for paging init. Signed-off-by: Greg Ungerer <gerg@uclinux.org> Acked-by: Geert Uytterhoeven <geert@linux-m68k.org> Acked-by: Matt Waddel <mwaddel@yahoo.com> Acked-by: Kurt Mahan <kmahan@xmission.com>
2011-12-30m68k: use addr_limit checking for m68k CPUs that do no support address spacesGreg Ungerer
The ColdFire CPU family, and the original 68000, do not support separate address spaces like the other 680x0 CPU types. Modify the set_fs()/get_fs() functions and macros to use a thread_info addr_limit for address space checking. This is pretty much what all other architectures that do not support separate setable address spaces do. Signed-off-by: Alexander Stein <alexander.stein@systec-electronic.com> Signed-off-by: Greg Ungerer <gerg@uclinux.org> Acked-by: Matt Waddel <mwaddel@yahoo.com> Acked-by: Kurt Mahan <kmahan@xmission.com>
2011-12-30m68k: modify user space access functions to support ColdFire CPUsGreg Ungerer
Modify the user space access functions to support the ColdFire V4e cores running with MMU enabled. The ColdFire processors do not support the "moves" instruction used by the traditional 680x0 processors for moving data into and out of another address space. They only support the notion of a single address space, and you use the usual "move" instruction to access that. Create a new config symbol (CONFIG_CPU_HAS_ADDRESS_SPACES) to mark the CPU types that support separate address spaces, and thus also support the sfc/dfc registers and the "moves" instruction that go along with that. The code is almost identical for user space access, so lets just use a define to choose either the "move" or "moves" in the assembler code. Signed-off-by: Greg Ungerer <gerg@uclinux.org> Acked-by: Matt Waddel <mwaddel@yahoo.com> Acked-by: Kurt Mahan <kmahan@xmission.com> Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
2011-12-30m68k: add TASK definitions for ColdFires running with MMUGreg Ungerer
Add appropriate TASK_SIZE and TASK_UNMAPPED_BASE definitions for running on ColdFire V4e cores with MMU enabled. Signed-off-by: Greg Ungerer <gerg@uclinux.org> Acked-by: Geert Uytterhoeven <geert@linux-m68k.org> Acked-by: Matt Waddel <mwaddel@yahoo.com> Acked-by: Kurt Mahan <kmahan@xmission.com>
2011-12-30m68k: make interrupt definitions conditional on correct CPU typesGreg Ungerer
The interrupt handling support defines and code is not so much conditional on an MMU being present (CONFIG_MMU), as it is on which type of CPU we are building for. So make the code conditional on the CPU types instead. The current irq.h is mostly specific to the interrupt code for the 680x0 CPUs, so it should only be used for them. Signed-off-by: Greg Ungerer <gerg@uclinux.org> Acked-by: Geert Uytterhoeven <geert@linux-m68k.org> Acked-by: Matt Waddel <mwaddel@yahoo.com> Acked-by: Kurt Mahan <kmahan@xmission.com>
2011-12-30m68k: definitions for the ColdFire V4e MMU hardwareGreg Ungerer
Basic register level definitions to support the internal MMU of the V4e ColdFire cores. Signed-off-by: Greg Ungerer <gerg@uclinux.org> Acked-by: Geert Uytterhoeven <geert@linux-m68k.org> Acked-by: Matt Waddel <mwaddel@yahoo.com> Acked-by: Kurt Mahan <kmahan@xmission.com>
2011-12-30m68k: show ColdFire CPU/FPU/MMU typeGreg Ungerer
Update the show_cpuinfo() code to display info about ColdFire cores. Signed-off-by: Greg Ungerer <gerg@uclinux.org> Acked-by: Geert Uytterhoeven <geert@linux-m68k.org> Acked-by: Matt Waddel <mwaddel@yahoo.com> Acked-by: Kurt Mahan <kmahan@xmission.com>
2011-12-30m68k: add machine and CPU definitions for ColdFire coresGreg Ungerer
Create machine and CPU definitions to support the ColdFire CPU family members that have a virtual memory management unit. The ColdFire V4e core contains an MMU, and it is quite different to any other 68k family members. Signed-off-by: Greg Ungerer <gerg@uclinux.org> Acked-by: Geert Uytterhoeven <geert@linux-m68k.org> Acked-by: Matt Waddel <mwaddel@yahoo.com> Acked-by: Kurt Mahan <kmahan@xmission.com>
2011-12-30m68knommu: remove no longer used rom_length from Palm/Pilot start up codeGreg Ungerer
Compiling for the m68knommu/68328 Palm/Pilot target you get: LD vmlinux arch/m68k/platform/68328/head.o: In function `L3': (.text+0x170): undefined reference to `rom_length' "rom_length" is not used any longer by any of the m68knommu code. So remove it from here too. Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2011-12-30m68knommu: fix broken boot logo inclusionGreg Ungerer
Compiling for the m68knommu/68328 Palm/Pilot target you get: AS arch/m68k/platform/68328/head-pilot.o arch/m68k/platform/68328/head-pilot.S:37:23: fatal error: bootlogo.rh: No such file or directory The build for this target used to do a conversion on a C coded boot logo and include this in the head assembler code. This got broken by changes to the local Makefile. Clean all this up by just including the C coded boot logo struct in the C code. With the appropriate alignment attribute there is no difference to the way it can be used. Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2011-12-29ipv6: Fix neigh lookup using NULL device.David S. Miller
In some of the rt6_bind_neighbour() call sites, it hasn't hooked up the rt->dst.dev pointer yet, so we'd deref a NULL pointer when obtaining dev->ifindex for the neighbour hash function computation. Just pass the netdevice explicitly in to fix this problem. Reported-by: Bjarke Istrup Pedersen <gurligebis@gentoo.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-29sparc32: fix PAGE_SIZE definitionSam Ravnborg
Use _AC() in definition of PAGE_SIZE so the same definition can be used in C and assembler. Also use PAGE_SIZE in definition of THREAD_SIZE. This commit kill the following comment: "I have my suspicions... -DaveM" I did not find any clue what this referred to anyway. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-29sparc32: enable different preemptions modelsSam Ravnborg
While chasing following warning from kconfig I noticed that the kconfig preemption model symbols were all dependent on sparc64. warning: (PREEMPT && DEBUG_ATOMIC_SLEEP) selects PREEMPT_COUNT which has unmet direct dependencies (SPARC64) >From arch/sparc/Kconfig: if SPARC64 source "kernel/Kconfig.preempt" endif But looking a bit closer I see nothing obvious why sparc32 should not support the various preemption models. Drop the "if SPARC64" conditional to enable selection of preemption model on sparc32 too. Build-tested - but not run-time tested all three models. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-29virtio_net: use non-reentrant workqueue.Rusty Russell
Michael S. Tsirkin also noticed that we could run the refill work multiple CPUs: if we kick off a refill on one CPU and then on another, they would both manipulate the queue at the same time (they use napi_disable to avoid racing against the receive handler itself). Tejun points out that this is what the WQ_NON_REENTRANT flag is for, and that there is a convenient system kthread we can use. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-29virtio_net: set/cancel work on ndo_open/ndo_stopRusty Russell
Michael S. Tsirkin noticed that we could run the refill work after ndo_close, which can re-enable napi - we don't disable it until virtnet_remove. This is clearly wrong, so move the workqueue control to ndo_open and ndo_stop (aka. virtnet_open and virtnet_close). One subtle point: virtnet_probe() could simply fail if it couldn't allocate a receive buffer, but that's less polite in virtnet_open() so we schedule a refill as we do in the normal receive path if we run out of memory. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-29perf tools: Fix feature-bits rework fallout, remove unused variableIngo Molnar
Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Cc: Robert Richter <robert.richter@amd.com> Link: http://lkml.kernel.org/n/tip-lfckuwbl8m1ykb7t9ydsxe4r@git.kernel.org Signed-off-by: Ingo Molnar <mingo@elte.hu>
2011-12-29ipv6: Report TCP timetstamp info in cacheinfo just like ipv4 does.David S. Miller
I missed this while adding ipv6 support to inet_peer. Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-29mlx4_core: limiting VF port optionsYevgeny Petrilin
At the moment VFs can only operate in Eth mode. In addition we don't want the VF to attempt link sensing, so we block this option as well. Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-29mlx4_core: using array index for sense_allowedYevgeny Petrilin
Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-29sch_tbf: report backlog informationEric Dumazet
Provide child qdisc backlog (byte count) information so that "tc -s qdisc" can report it to user. qdisc netem 30: root refcnt 18 limit 1000 delay 20.0ms 10.0ms Sent 948517 bytes 898 pkt (dropped 0, overlimits 0 requeues 1) rate 175056bit 16pps backlog 114b 1p requeues 1 qdisc tbf 40: parent 30: rate 256000bit burst 20Kb/8 mpu 0b lat 0us Sent 948517 bytes 898 pkt (dropped 15, overlimits 611 requeues 0) backlog 18168b 12p requeues 0 Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-29netfilter: Kconfig: fix unmet xt_nfacct dependenciesPablo Neira Ayuso
warning: (NETFILTER_XT_MATCH_NFACCT) selects NETFILTER_NETLINK_ACCT which has unmet direct dependencies (NET && INET && NETFILTER && NETFILTER_ADVANCED) and then ERROR: "nfnetlink_subsys_unregister" [net/netfilter/nfnetlink_acct.ko] undefined! ERROR: "nfnetlink_subsys_register" [net/netfilter/nfnetlink_acct.ko] undefined! Reported-by: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org> Acked-by: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-29regulator: mc13783: Convert to devm_kzalloc()Fabio Estevam
Convert mc13783-regulator driver to use devm_kzalloc(). Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2011-12-29Input: sentelic - fix retrieving number of buttonsTai-hwa Liang
Fixing wrong register offset which is used to retrieve the number of buttons attached to the hardware. Signed-off-by: Tai-hwa Liang <avatar@sentelic.com> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
2011-12-29ceph: disable use of dcache for readdir etc.Sage Weil
Ceph attempts to use the dcache to satisfy negative lookups and readdir when the entire directory contents are in cache. Disable this behavior until lingering bugs in this code are shaken out; we'll re-enable these hooks once things are fully stable. Signed-off-by: Sage Weil <sage@newdream.net>
2011-12-29regulator: Fix checking return value of create_regulatorAxel Lin
create_regulator() returns NULL on fail. Signed-off-by: Axel Lin <axel.lin@gmail.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2011-12-29regulator: Fix the error handling if create_regulator failsAxel Lin
In the case of create_regulator() fails, goto the error path immediately. It does not make sense to update rdev->open_count if create_regulator fails. Signed-off-by: Axel Lin <axel.lin@gmail.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2011-12-29block: fix blk_queue_end_tag()Dan Williams
Commit 5e081591 "block: warn if tag is greater than real_max_depth" cleaned up blk_queue_end_tag() to warn when the tag is truly invalid (greater than real_max_depth). However, it changed behavior in the tag < max_depth case to not end the request. Leading to triggering of BUG_ON(blk_queued_rq(rq)) in the request completion path: http://marc.info/?l=linux-kernel&m=132204370518629&w=2 In order to allow blk_queue_resize_tags() to shrink the tag space blk_queue_end_tag() must always complete tags with a value less than real_max_depth regardless of the current max_depth. The comment about "handling the shrink case" seems to be what prompted changes in this space, so remove it and BUG on all invalid tags (made even simpler by Matthew's suggestion to use an unsigned compare). Signed-off-by: Dan Williams <dan.j.williams@intel.com> Cc: Tao Ma <boyu.mt@taobao.com> Cc: Matthew Wilcox <matthew@wil.cx> Reported-by: Meelis Roos <mroos@ut.ee> Reported-by: Ed Nadolski <edmund.nadolski@intel.com> Cc: Tejun Heo <tj@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2011-12-29drm/exynos: added hdmi display supportSeung-Woo Kim
This patch is hdmi display support for exynos drm driver. There is already v4l2 based exynos hdmi driver in drivers/media/video/s5p-tv and some low level code is already in s5p-tv and even headers for register define are almost same. but in this patch, we decide not to consider separated common code with s5p-tv. Exynos HDMI is composed of 5 blocks, mixer, vp, hdmi, hdmiphy and ddc. 1. mixer. The piece of hardware responsible for mixing and blending multiple data inputs before passing it to an output device. The mixer is capable of handling up to three image layers. One is the output of VP. Other two are images in RGB format. The blending factor, and layers' priority are controlled by mixer's registers. The output is passed to HDMI. 2. vp (video processor). It is used for processing of NV12/NV21 data. An image stored in RAM is accessed by DMA. The output in YCbCr444 format is send to mixer. 3. hdmi. The piece of HW responsible for generation of HDMI packets. It takes pixel data from mixer and transforms it into data frames. The output is send to HDMIPHY interface. 4. hdmiphy. Physical interface for HDMI. Its duties are sending HDMI packets to HDMI connector. Basically, it contains a PLL that produces source clock for mixer, vp and hdmi. 5. ddc (display data channel). It is dedicated i2c channel to exchange display information as edid with display monitor. With plane support, exynos hdmi driver fully supports two mixer layes and vp layer. Also vp layer supports multi buffer plane pixel formats having non contigus memory spaces. In exynos drm driver, common drm_hdmi driver to interface with drm framework has opertion pointers for mixer and hdmi. this drm_hdmi driver is registered as sub driver of exynos_drm. hdmi has hdmiphy and ddc i2c clients and controls them. mixer controls all overlay layers in both mixer and vp. Vblank interrupts for hdmi are handled by mixer internally because drm framework cannot support multiple irq id. And pipe number is used to check which display device irq happens. History v2: this version - drm plane feature support to handle overlay layers. - multi buffer plane pixel format support for vp layer. - vp layer support RFCv1: original - at https://lkml.org/lkml/2011/11/4/164 Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com> Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
2011-12-29drm/exynos: added mutex lock and code clean.Inki Dae
Signed-off-by: Inki Dae <inki.dae@samsung.com>
2011-12-29drm/exynos: extend vblank off delay time.Inki Dae
some platform could be entering to sleep after short time once lcd panel off but before that vblank could be off by vblank off delay feature. at that time, vblank doesn't have the pair between vblank_get/put. so this path makes vblank off delay to have enough. Signed-off-by: Inki Dae <inki.dae@samsung.com>
2011-12-29drm/exynos: change driver name.Inki Dae
Signed-off-by: Inki Dae <inki.dae@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
2011-12-29drm/exynos: Support multi buffersSeung-Woo Kim
These formats(NV12M, NV12MT and YUV420M) have non contiguous multi planes, so each plane uses different buffer. The exynos drm should support multi buffer for them. Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com> Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
2011-12-29drm: Add multi buffer plane pixel formatsSeung-Woo Kim
Multi buffer plane pixel format has seperated memory spaces for each plane. For example, NV12M has Y plane and CbCr plane and these are in non contiguous memory region. Compared with NV12, NV12M's memory shape is like following. NV12 : ______(Y)(CbCr)_______ NV12M : __(Y)_ ..... _(CbCr)__ Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
2011-12-29drm/exynos: added pm support.Inki Dae
this patch adds pm feature for fimd driver. Signed-off-by: Inki Dae <inki.dae@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
2011-12-29drm/exynos: remove buffer creation of fbdev from drm framebuffer creationJoonyoung Shim
The fbdev fb and the user fb is created from same function - exynos_drm_fb_create, but this function creates not only drm framebuffer but buffer of fbdev. Remove it because it complicates codes and use exynos_drm_gem_create() than exynos_drm_buf_create() to create buffer of fbdev, it give better consistency of codes and more clear implementation. Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
2011-12-29drm/exynos: Split creation of gem object and gem handleJoonyoung Shim
exynos_drm_gem_create function created gem object with gem handle but it can be called externally without gem handle creation through this patch. Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
2011-12-29drm/exynos: Fix a fake mmap offset creationJoonyoung Shim
Make a fake mmap offset only when it needs. Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
2011-12-29drm/exynos: gem code cleanupJoonyoung Shim
This cleans codes of exynos gem - indents and order function and so on. Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
2011-12-28ipv6: Kill rt6i_dev and rt6i_expires defines.David S. Miller
It just obscures that the netdevice pointer and the expires value are implemented in the dst_entry sub-object of the ipv6 route. And it makes grepping for dst_entry member uses much harder too. Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-28ipv6: Create fast inline ipv6 neigh lookup just like ipv4.David S. Miller
Also, create and use an rt6_bind_neighbour() in net/ipv6/route.c to consolidate some common logic. Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-28ipv6: Use universal hash for NDISC.David S. Miller
In order to perform a proper universal hash on a vector of integers, we have to use different universal hashes on each vector element. Which means we need 4 different hash randoms for ipv6. Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-28m68k/serial: Remove references to obsolete serial config optionsGeert Uytterhoeven
- ATARI_MFPSER, ATARI_MIDI, MULTIFACE_III_TTY, and DN_SERIAL have no corresponding drivers (anymore), - Clean up SERIAL_CONSOLE dependencies and help text. Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
2011-12-28netrom: avoid overflows in nr_setsockopt()Xi Wang
Check setsockopt arguments to avoid overflows and return -EINVAL for too large arguments. Signed-off-by: Xi Wang <xi.wang@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-28ax25: avoid overflows in ax25_setsockopt()Xi Wang
Commit be639ac6 ("NET: AX.25: Check ioctl arguments to avoid overflows further down the road") rejects very large arguments, but doesn't completely fix overflows on 64-bit systems. Consider the AX25_T2 case. int opt; ... if (opt < 1 || opt > ULONG_MAX / HZ) { res = -EINVAL; break; } ax25->t2 = opt * HZ; The 32-bit multiplication opt * HZ would overflow before being assigned to 64-bit ax25->t2. This patch changes "opt" to unsigned long. Signed-off-by: Xi Wang <xi.wang@gmail.com> Cc: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-28genetlink: add auto module loadingStephen Hemminger
When testing L2TP support, I discovered that the l2tp module is not autoloaded as are other netlink interfaces. There is because of lack of hook in genetlink to call request_module and load the module. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-28ipv6: Remove optimistic DAD flag test in ipv6_add_addr()David Miller
The route we have here is for the address being added to the interface, ie. for input packet processing. Therefore using that route to determine whether an output nexthop gateway is known and resolved doesn't make any sense. So, simply remove this test, it never triggered anyways. Signed-off-by: David S. Miller <davem@davemloft.net> Acked-By: Neil Horman <nhorman@tuxdriver.com>
2011-12-28Merge branch 'nf-next' of git://1984.lsi.us.es/net-nextDavid S. Miller
2011-12-28net: fec: Adjust ENET MDIO timeoutsRogerio Pimentel
On extensive NFS boots on a mx6qsabrelite board it was noted that "FEC: MDIO read timeout" were occuring, which caused failure on loading the FEC driver. The original FEC_MII_TIMEOUT was set to 1 ms, which is too low when passed to the usecs_to_jiffies macro. On ARM one jiffy is 10ms, so use a timeout of 30ms, which corresponds to 3 jiffies. After running extensive NFS boots, the MDIO timeouts do not occur anymore with this change. Signed-off-by: Rogerio Pimentel <rogerio.pimentel@freescale.com> Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-28regulator: Export regulator_is_supported_voltage()Mark Brown
It's part of the driver interface so should be available to modules. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2011-12-28irq: check domain hwirq range for DT translateRob Herring
A DT node may have more than 1 domain associated with it, so make sure the hwirq number is within range when doing DT translation. Signed-off-by: Rob Herring <rob.herring@calxeda.com> Acked-by: Grant Likely <grant.likely@secretlab.ca> Acked-by: Shawn Guo <shawn.guo@linaro.org> Cc: Thomas Gleixner <tglx@linutronix.de>