- 02 Nov, 2011 40 commits
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Vasiliy Kulikov authored
fd* files are restricted to the task's owner, and other users may not get direct access to them. But one may open any of these files and run any setuid program, keeping opened file descriptors. As there are permission checks on open(), but not on readdir() and read(), operations on the kept file descriptors will not be checked. It makes it possible to violate procfs permission model. Reading fdinfo/* may disclosure current fds' position and flags, reading directory contents of fdinfo/ and fd/ may disclosure the number of opened files by the target task. This information is not sensible per se, but it can reveal some private information (like length of a password stored in a file) under certain conditions. Used existing (un)lock_trace functions to check for ptrace_may_access(), but instead of using EPERM return code from it use EACCES to be consistent with existing proc_pid_follow_link()/proc_pid_readlink() return code. If they differ, attacker can guess what fds exist by analyzing stat() return code. Patched handlers: stat() for fd/*, stat() and read() for fdindo/*, readdir() and lookup() for fd/ and fdinfo/. Signed-off-by:
Vasiliy Kulikov <segoon@openwall.com> Cc: Cyrill Gorcunov <gorcunov@gmail.com> Cc: <stable@kernel.org> Cc: <stable@vger.kernel.org> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Pavel Emelyanov authored
On reading sysctl dirs we should return -EISDIR instead of -EINVAL. Signed-off-by:
Pavel Emelyanov <xemul@openvz.org> Signed-off-by:
Cyrill Gorcunov <gorcunov@openvz.org> Cc: Alexey Dobriyan <adobriyan@gmail.com> Cc: Al Viro <viro@ZenIV.linux.org.uk> Signed-off-by:
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David Rientjes authored
{get,put}_mems_allowed() exist so that general kernel code may locklessly access a task's set of allowable nodes without having the chance that a concurrent write will cause the nodemask to be empty on configurations where MAX_NUMNODES > BITS_PER_LONG. This could incur a significant delay, however, especially in low memory conditions because the page allocator is blocking and reclaim requires get_mems_allowed() itself. It is not atypical to see writes to cpuset.mems take over 2 seconds to complete, for example. In low memory conditions, this is problematic because it's one of the most imporant times to change cpuset.mems in the first place! The only way a task's set of allowable nodes may change is through cpusets by writing to cpuset.mems and when attaching a task to a generic code is not reading the nodemask with get_mems_allowed() at the same time, and then clearing all the old nodes. This prevents the possibility that a reader will see an empty nodemask at the same time the writer is storing a new nodemask. If at least one node remains unchanged, though, it's possible to simply set all new nodes and then clear all the old nodes. Changing a task's nodemask is protected by cgroup_mutex so it's guaranteed that two threads are not changing the same task's nodemask at the same time, so the nodemask is guaranteed to be stored before another thread changes it and determines whether a node remains set or not. Signed-off-by:David Rientjes <rientjes@google.com> Cc: Miao Xie <miaox@cn.fujitsu.com> Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Cc: Nick Piggin <npiggin@kernel.dk> Cc: Paul Menage <paul@paulmenage.org> Signed-off-by:
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H Hartley Sweeten authored
warning: symbol 'swap_cgroup_ctrl' was not declared. Should it be static? Signed-off-by:
H Hartley Sweeten <hsweeten@visionengravers.com> Cc: Paul Menage <paul@paulmenage.org> Cc: Li Zefan <lizf@cn.fujitsu.com> Acked-by:
Balbir Singh <bsingharora@gmail.com> Cc: Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp> Acked-by:
KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Signed-off-by:
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Steven Rostedt authored
Various code in memcontrol.c () calls this_cpu_read() on the calculations to be done from two different percpu variables, or does an open-coded read-modify-write on a single percpu variable. Disable preemption throughout these operations so that the writes go to the correct palces. [hannes@cmpxchg.org: added this_cpu to __this_cpu conversion] Signed-off-by:
Johannes Weiner <hannes@cmpxchg.org> Signed-off-by:
Steven Rostedt <rostedt@goodmis.org> Cc: Greg Thelen <gthelen@google.com> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: Balbir Singh <balbir@linux.vnet.ibm.com> Cc: Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Christoph Lameter <cl@linux.com> Signed-off-by:
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Johannes Weiner authored
There is a potential race between a thread charging a page and another thread putting it back to the LRU list: charge: putback: SetPageCgroupUsed SetPageLRU PageLRU && add to memcg LRU PageCgroupUsed && add to memcg LRU The order of setting one flag and checking the other is crucial, otherwise the charge may observe !PageLRU while the putback observes !PageCgroupUsed and the page is not linked to the memcg LRU at all. Global memory pressure may fix this by trying to isolate and putback the page for reclaim, where that putback would link it to the memcg LRU again. Without that, the memory cgroup is undeletable due to a charge whose physical page can not be found and moved out. Signed-off-by:
Johannes Weiner <jweiner@redhat.com> Cc: Ying Han <yinghan@google.com> Acked-by:
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Johannes Weiner authored
Reclaim decides to skip scanning an active list when the corresponding inactive list is above a certain size in comparison to leave the assumed working set alone while there are still enough reclaim candidates around. The memcg implementation of comparing those lists instead reports whether the whole memcg is low on the requested type of inactive pages, considering all nodes and zones. This can lead to an oversized active list not being scanned because of the state of the other lists in the memcg, as well as an active list being scanned while its corresponding inactive list has enough pages. Not only is this wrong, it's also a scalability hazard, because the global memory state over all nodes and zones has to be gathered for each memcg and zone scanned. Make these calculations purely based on the size of the two LRU lists that are actually affected by the outcome of the decision. Signed-off-by:
Rik van Riel <riel@redhat.com> Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Acked-by:
Minchan Kim <minchan.kim@gmail.com> Reviewed-by:
Ying Han <yinghan@google.com> Signed-off-by:
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Igor Mammedov authored
If somebody is touching data too early, it might be easier to diagnose a problem when dereferencing NULL at mem->info.nodeinfo[node] than trying to understand why mem_cgroup_per_zone is [un|partly]initialized. Signed-off-by:
Igor Mammedov <imammedo@redhat.com> Acked-by:
Michal Hocko <mhocko@suse.cz> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Signed-off-by:
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KAMEZAWA Hiroyuki authored
Before calling schedule_timeout(), task state should be changed. Signed-off-by:
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Raghavendra K T authored
The memcg code sometimes uses "struct mem_cgroup *mem" and sometimes uses "struct mem_cgroup *memcg". Rename all mem variables to memcg in source file. Signed-off-by:
Raghavendra K T <raghavendra.kt@linux.vnet.ibm.com> Acked-by:
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Steven Rostedt authored
When the cgroup base was allocated with kmalloc, it was necessary to annotate the variable with kmemleak_not_leak(). But because it has recently been changed to be allocated with alloc_page() (which skips kmemleak checks) causes a warning on boot up. I was triggering this output: allocated 8388608 bytes of page_cgroup please try 'cgroup_disable=memory' option if you don't want memory cgroups kmemleak: Trying to color unknown object at 0xf5840000 as Grey Pid: 0, comm: swapper Not tainted 3.0.0-test #12 Call Trace: [<c17e34e6>] ? printk+0x1d/0x1f^M [<c10e2941>] paint_ptr+0x4f/0x78 [<c178ab57>] kmemleak_not_leak+0x58/0x7d [<c108ae9f>] ? __rcu_read_unlock+0x9/0x7d [<c1cdb462>] kmemleak_init+0x19d/0x1e9 [<c1cbf771>] start_kernel+0x346/0x3ec [<c1cbf1b4>] ? loglevel+0x18/0x18 [<c1cbf0aa>] i386_start_kernel+0xaa/0xb0 After a bit of debugging I tracked the object 0xf840000 (and others) down to the cgroup code. The change from allocating base with kmalloc to alloc_page() has the base not calling kmemleak_alloc() which adds the pointer to the object_tree_root, but kmemleak_not_leak() adds it to the crt_early_log[] table. On kmemleak_init(), the entry is found in the early_log[] but not the object_tree_root, and this error message is displayed. If alloc_page() fails then it defaults back to vmalloc() which still uses the kmemleak_alloc() which makes us still need the kmemleak_not_leak() call. The solution is to call the kmemleak_alloc() directly if the alloc_page() succeeds. Reviewed-by:
Catalin Marinas <catalin.marinas@arm.com> Signed-off-by:
Jonathan Nieder <jrnieder@gmail.com> Signed-off-by:
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Ben Blum authored
If a task has exited to the point it has called cgroup_exit() already, then we can't migrate it to another cgroup anymore. This can happen when we are attaching a task to a new cgroup between the call to ->can_attach_task() on subsystems and the migration that is eventually tried in cgroup_task_migrate(). In this case cgroup_task_migrate() returns -ESRCH and we don't want to attach the task to the subsystems because the attachment to the new cgroup itself failed. Fix this by only calling ->attach_task() on the subsystems if the cgroup migration succeeded. Reported-by:
Oleg Nesterov <oleg@redhat.com> Signed-off-by:
Ben Blum <bblum@andrew.cmu.edu> Acked-by:
Paul Menage <paul@paulmenage.org> Cc: Li Zefan <lizf@cn.fujitsu.com> Cc: Tejun Heo <tj@kernel.org> Signed-off-by:
Frederic Weisbecker <fweisbec@gmail.com> Signed-off-by:
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Ben Blum authored
Fix unstable tasklist locking in cgroup_attach_proc. According to this thread - https://lkml.org/lkml/2011/7/27/243 - RCU is not sufficient to guarantee the tasklist is stable w.r.t. de_thread and exit. Taking tasklist_lock for reading, instead of rcu_read_lock, ensures proper exclusion. Signed-off-by:
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Phillip Lougher authored
Clement Lecigne reports a filesystem which causes a kernel oops in hfs_find_init() trying to dereference sb->ext_tree which is NULL. This proves to be because the filesystem has a corrupted MDB extent record, where the extents file does not fit into the first three extents in the file record (the first blocks). In hfs_get_block() when looking up the blocks for the extent file (HFS_EXT_CNID), it fails the first blocks special case, and falls through to the extent code (which ultimately calls hfs_find_init()) which is in the process of being initialised. Hfs avoids this scenario by always having the extents b-tree fitting into the first blocks (the extents B-tree can't have overflow extents). The fix is to check at mount time that the B-tree fits into first blocks, i.e. fail if HFS_I(inode)->alloc_blocks >= HFS_I(inode)->first_blocks Note, the existing commit 47f365eb ("hfs: fix oops on mount with corrupted btree extent records") becomes subsumed into this as a special case, but only for the extents B-tree (HFS_EXT_CNID), it is perfectly acceptable for the catalog B-Tree file to grow beyond three extents, with the remaining extent descriptors in the extents overfow. This fixes CVE-2011-2203 Reported-by:
Clement LECIGNE <clement.lecigne@netasq.com> Signed-off-by:
Phillip Lougher <plougher@redhat.com> Cc: Jeff Mahoney <jeffm@suse.com> Cc: Christoph Hellwig <hch@lst.de> Signed-off-by:
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Namjae Jeon authored
Use mpage_readpages() instead of multiple calls to isofs_readpage() to reduce the CPU utilization and make performance higher. Signed-off-by:
Namjae Jeon <linkinjeon@gmail.com> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: Jan Kara <jack@suse.cz> Signed-off-by:
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Sami Kerola authored
One can get this information from minix/inode.c, but adding the explanations at the definition sites is more appropriate. Signed-off-by:
Sami Kerola <kerolasa@iki.fi> Signed-off-by:
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Uwe Kleine-König authored
The driver is added using platform_driver_probe(), so the callbacks can be discarded more aggessively. Signed-off-by:
Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Cc: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by:
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David Anders authored
Add initial support for the microchip mcp7941x series of real time clocks. The mcp7941x series is generally compatible with the ds1307 and ds1337 rtc devices from dallas semiconductor. minor differences include a backup battery enable bit, and the polarity of the oscillator enable bit. Signed-off-by:
David Anders <danders.dev@gmail.com> Cc: Alessandro Zummo <a.zummo@towertech.it> Reviewed-by:
Wolfram Sang <w.sang@pengutronix.de> Signed-off-by:
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Jonathan Cameron authored
This is the one use of an ida that doesn't retry on receiving -EAGAIN. I'm assuming do so will cause no harm and may help on a rare occasion. Signed-off-by:
Jonathan Cameron <jic23@cam.ac.uk> Cc: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by:
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Neil Armstrong authored
When a cramfs ramdisk padded with 512 bytes is given to the kernel, the current identify_ramdisk_image function fails to identify it. Tested with a padded cramfs image on an ARM based board. Signed-off-by:
Neil Armstrong <narmstrong@neotion.com> Cc: Namhyung Kim <namhyung@gmail.com> Cc: Davidlohr Bueso <dave@gnu.org> Cc: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by:
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Richard Weinberger authored
Since ramfs is hard-selected to "y", the module leftovers make no sense. Signed-off-by:
Richard Weinberger <richard@nod.at> Reviewed-by:
WANG Cong <xiyou.wangcong@gmail.com> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: Christoph Hellwig <hch@lst.de> Signed-off-by:
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Jiri Kosina authored
The case of address space randomization being disabled in runtime through randomize_va_space sysctl is not treated properly in load_elf_binary(), resulting in SIGKILL coming at exec() time for certain PIE-linked binaries in case the randomization has been disabled at runtime prior to calling exec(). Handle the randomize_va_space == 0 case the same way as if we were not supporting .text randomization at all. Based on original patch by H.J. Lu and Josh Boyer. Signed-off-by:
Jiri Kosina <jkosina@suse.cz> Cc: Ingo Molnar <mingo@elte.hu> Cc: Russell King <rmk@arm.linux.org.uk> Cc: H.J. Lu <hongjiu.lu@intel.com> Cc: <stable@kernel.org> Tested-by:
Josh Boyer <jwboyer@redhat.com> Acked-by:
Nicolas Pitre <nicolas.pitre@linaro.org> Cc: <stable@vger.kernel.org> Signed-off-by:
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Andrea Arcangeli authored
This avoids duplicating the function in every arch gup_fast. Signed-off-by:
Andrea Arcangeli <aarcange@redhat.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Hugh Dickins <hughd@google.com> Cc: Johannes Weiner <jweiner@redhat.com> Cc: Rik van Riel <riel@redhat.com> Cc: Mel Gorman <mgorman@suse.de> Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: David Gibson <david@gibson.dropbear.id.au> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: David Miller <davem@davemloft.net> Signed-off-by:
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Andrea Arcangeli authored
Up to this point the code assumed old refcounting for hugepages (pre-thp). This updates the code directly to the thp mapcount tail page refcounting. Signed-off-by:
David Miller <davem@davemloft.net> Signed-off-by:
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Andrea Arcangeli authored
s390 didn't return 0 in that case, if it's rolling back the *nr pointer it should also return zero to avoid adding pages to the array at the wrong offset. Signed-off-by:
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Andrea Arcangeli authored
Up to this point the code assumed old refcounting for hugepages (pre-thp). This updates the code directly to the thp mapcount tail page refcounting. Signed-off-by:
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Andrea Arcangeli authored
powerpc didn't return 0 in that case, if it's rolling back the *nr pointer it should also return zero to avoid adding pages to the array at the wrong offset. Signed-off-by:
David Gibson <david@gibson.dropbear.id.au> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: David Miller <davem@davemloft.net> Signed-off-by:
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Andrea Arcangeli authored
Up to this point the code assumed old refcounting for hugepages (pre-thp). This updates the code directly to the thp mapcount tail page refcounting. Signed-off-by:
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Andrea Arcangeli authored
We only taken "refs" pins on the head page not "*nr" pins. Signed-off-by:
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Andrea Arcangeli authored
"page" may have changed to point to the next hugepage after the loop completed, The references have been taken on the head page, so the put_page must happen there too. This is a longstanding issue pre-thp inclusion. It's totally unclear how these page_cache_add_speculative and pte_val(pte) != pte_val(*ptep) checks are necessary across all the powerpc gup_fast code, when x86 doesn't need any of that: there's no way the page can be freed with irq disabled so we're guaranteed the atomic_inc will happen on a page with page_count > 0 (so not needing the speculative check). The pte check is also meaningless on x86: no need to rollback on x86 if the pte changed, because the pte can still change a CPU tick after the check succeeded and it won't be rolled back in that case. The important thing is we got a reference on a valid page that was mapped there a CPU tick ago. So not knowing the soft tlb refill code of ppc64 in great detail I'm not removing the "speculative" page_count increase and the pte checks across all the code, but unless there's a strong reason for it they should be later cleaned up too. If a pte can change from huge to non-huge (like it could happen with THP) passing a pte_t *ptep to gup_hugepte() would also require to repeat the is_hugepd in gup_hugepte(), but that shouldn't happen with hugetlbfs only so I'm not altering that. Signed-off-by:
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Andrea Arcangeli authored
This part of gup_fast doesn't seem capable of handling hugetlbfs ptes, those should be handled by gup_hugepd only, so these checks are superfluous. Plus if this wasn't a noop, it would have oopsed because, the insistence of using the speculative refcounting would trigger a VM_BUG_ON if a tail page was encountered in the page_cache_get_speculative(). Signed-off-by:
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Andrea Arcangeli authored
Michel while working on the working set estimation code, noticed that calling get_page_unless_zero() on a random pfn_to_page(random_pfn) wasn't safe, if the pfn ended up being a tail page of a transparent hugepage under splitting by __split_huge_page_refcount(). He then found the problem could also theoretically materialize with page_cache_get_speculative() during the speculative radix tree lookups that uses get_page_unless_zero() in SMP if the radix tree page is freed and reallocated and get_user_pages is called on it before page_cache_get_speculative has a chance to call get_page_unless_zero(). So the best way to fix the problem is to keep page_tail->_count zero at all times. This will guarantee that get_page_unless_zero() can never succeed on any tail page. page_tail->_mapcount is guaranteed zero and is unused for all tail pages of a compound page, so we can simply account the tail page references there and transfer them to tail_page->_count in __split_huge_page_refcount() (in addition to the head_page->_mapcount). While debugging this s/_count/_mapcount/ change I also noticed get_page is called by direct-io.c on pages returned by get_user_pages. That wasn't entirely safe because the two atomic_inc in get_page weren't atomic. As opposed to other get_user_page users like secondary-MMU page fault to establish the shadow pagetables would never call any superflous get_page after get_user_page returns. It's safer to make get_page universally safe for tail pages and to use get_page_foll() within follow_page (inside get_user_pages()). get_page_foll() is safe to do the refcounting for tail pages without taking any locks because it is run within PT lock protected critical sections (PT lock for pte and page_table_lock for pmd_trans_huge). The standard get_page() as invoked by direct-io instead will now take the compound_lock but still only for tail pages. The direct-io paths are usually I/O bound and the compound_lock is per THP so very finegrined, so there's no risk of scalability issues with it. A simple direct-io benchmarks with all lockdep prove locking and spinlock debugging infrastructure enabled shows identical performance and no overhead. So it's worth it. Ideally direct-io should stop calling get_page() on pages returned by get_user_pages(). The spinlock in get_page() is already optimized away for no-THP builds but doing get_page() on tail pages returned by GUP is generally a rare operation and usually only run in I/O paths. This new refcounting on page_tail->_mapcount in addition to avoiding new RCU critical sections will also allow the working set estimation code to work without any further complexity associated to the tail page refcounting with THP. Signed-off-by:
Michel Lespinasse <walken@google.com> Reviewed-by:
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git://git.linaro.org/people/arnd/arm-socLinus Torvalds authored
* 'next/soc' of git://git.linaro.org/people/arnd/arm-soc: (21 commits) MAINTAINERS: add ARM/FREESCALE IMX6 entry arm/imx: merge i.MX3 and i.MX6 arm/imx6q: add suspend/resume support arm/imx6q: add device tree machine support arm/imx6q: add smp and cpu hotplug support arm/imx6q: add core drivers clock, gpc, mmdc and src arm/imx: add gic_handle_irq function arm/imx6q: add core definitions and low-level debug uart arm/imx6q: add device tree source ARM: highbank: add suspend support ARM: highbank: Add cpu hotplug support ARM: highbank: add SMP support MAINTAINERS: add Calxeda Highbank ARM platform ARM: add Highbank core platform support ARM: highbank: add devicetree source ARM: l2x0: add empty l2x0_of_init picoxcell: add a definition of VMALLOC_END picoxcell: remove custom ioremap implementation picoxcell: add the DTS for the PC7302 board picoxcell: add the DTS for pc3x2 and pc3x3 devices ... Fix up trivial conflicts in arch/arm/Kconfig, and some more header file conflicts in arch/arm/mach-omap2/board-generic.c (as per an ealier merge by Arnd).
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git://git.linaro.org/people/arnd/arm-socLinus Torvalds authored
* 'next/dt' of git://git.linaro.org/people/arnd/arm-soc: ARM: gic: use module.h instead of export.h ARM: gic: fix irq_alloc_descs handling for sparse irq ARM: gic: add OF based initialization ARM: gic: add irq_domain support irq: support domains with non-zero hwirq base of/irq: introduce of_irq_init ARM: at91: add at91sam9g20 and Calao USB A9G20 DT support ARM: at91: dt: at91sam9g45 family and board device tree files arm/mx5: add device tree support for imx51 babbage arm/mx5: add device tree support for imx53 boards ARM: msm: Add devicetree support for msm8660-surf msm_serial: Add devicetree support msm_serial: Use relative resources for iomem Fix up conflicts in arch/arm/mach-at91/{at91sam9260.c,at91sam9g45.c}
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git://git.linaro.org/people/arnd/arm-socLinus Torvalds authored
* 'next/cleanup2' of git://git.linaro.org/people/arnd/arm-soc: (31 commits) ARM: OMAP: Warn if omap_ioremap is called before SoC detection ARM: OMAP: Move set_globals initialization to happen in init_early ARM: OMAP: Map SRAM later on with ioremap_exec() ARM: OMAP: Remove calls to SRAM allocations for framebuffer ARM: OMAP: Avoid cpu_is_omapxxxx usage until map_io is done ARM: OMAP1: Use generic map_io, init_early and init_irq arm/dts: OMAP3+: Add mpu, dsp and iva nodes arm/dts: OMAP4: Add a main ocp entry bound to l3-noc driver ARM: OMAP2+: l3-noc: Add support for device-tree ARM: OMAP2+: board-generic: Add i2c static init ARM: OMAP2+: board-generic: Add DT support to generic board arm/dts: Add support for OMAP3 Beagle board arm/dts: Add initial device tree support for OMAP3 SoC arm/dts: Add support for OMAP4 SDP board arm/dts: Add support for OMAP4 PandaBoard arm/dts: Add initial device tree support for OMAP4 SoC ARM: OMAP: omap_device: Add a method to build an omap_device from a DT node ARM: OMAP: omap_device: Add omap_device_[alloc|delete] for DT integration of: Add helpers to get one string in multiple strings property ARM: OMAP2+: devices: Remove all omap_device_pm_latency structures ... Fix up trivial header file conflicts in arch/arm/mach-omap2/board-generic.c
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git://git.linaro.org/people/arnd/arm-socLinus Torvalds authored
* 'next/cross-platform' of git://git.linaro.org/people/arnd/arm-soc: arm/imx: use Kconfig choice for low-level debug UART selection ARM: realview: use Kconfig choice for debug UART selection ARM: plat-samsung: use Kconfig choice for debug UART selection ARM: versatile: convert logical CPU numbers to physical numbers ARM: ux500: convert logical CPU numbers to physical numbers ARM: shmobile: convert logical CPU numbers to physical numbers ARM: msm: convert logical CPU numbers to physical numbers ARM: exynos4: convert logical CPU numbers to physical numbers Fix up trivial conflict (config DEBUG_S3C_UART move/split vs addition of ARM_KPROBES_TEST option) in arch/arm/Kconfig.debug
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git://git.linaro.org/people/arnd/arm-socLinus Torvalds authored
* 'next/devel' of git://git.linaro.org/people/arnd/arm-soc: (50 commits) ARM: tegra: update defconfig arm/tegra: Harmony: Configure PMC for low-level interrupts arm/tegra: device tree support for ventana board arm/tegra: add support for ventana pinmuxing arm/tegra: prepare Seaboard pinmux code for derived boards arm/tegra: pinmux: ioremap registers gpio/tegra: Convert to a platform device arm/tegra: Convert pinmux driver to a platform device arm/dt: Tegra: Add pinmux node to tegra20.dtsi arm/tegra: Prep boards for gpio/pinmux conversion to pdevs ARM: mx5: fix clock usage for suspend ARM i.MX entry-macro.S: remove now unused code ARM i.MX boards: use CONFIG_MULTI_IRQ_HANDLER ARM i.MX tzic: add handle_irq function ARM i.MX avic: add handle_irq function ARM: mx25: Add the missing IIM base definition ARM i.MX avic: convert to use generic irq chip mx31moboard: Add poweroff support ARM: mach-qong: Add watchdog support ARM: davinci: AM18x: Add wl1271/wlan support ... Fix up conflicts in: arch/arm/mach-at91/at91sam9g45.c arch/arm/mach-mx5/devices-imx53.h arch/arm/plat-mxc/include/mach/memory.h
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git://git.linaro.org/people/arnd/arm-socLinus Torvalds authored
* 'next/board' of git://git.linaro.org/people/arnd/arm-soc: (34 commits) ep93xx: add support Vision EP9307 SoM ARM: mxs: Add initial support for DENX MX28 ARM: EXYNOS4: Add support SMDK4412 Board ARM: EXYNOS4: Add MCT support for EXYNOS4412 ARM: EXYNOS4: Add functions for gic interrupt handling ARM: EXYNOS4: Add support clock for EXYNOS4412 ARM: EXYNOS4: Add support new EXYNOS4412 SoC ARM: EXYNOS4: Add support MCT PPI for EXYNOS4212 ARM: EXYNOS4: Add support PPI in external GIC ARM: EXYNOS4: convert boot_params to atag_offset ixp4xx: support omicron ixp425 based boards ARM: EXYNOS4: Add support SMDK4212 Board ARM: EXYNOS4: Add support PM for EXYNOS4212 ARM: EXYNOS4: Add support clock for EXYNOS4212 ARM: EXYNOS4: Add support new EXYNOS4212 SoC at91: USB-A9G20 C01 & C11 board support at91: merge board USB-A9260 and USB-A9263 together at91: add support for RSIs EWS board ARM: SAMSUNG: Fix mask value for S5P64X0 CPU IDs ARM: SAMSUNG: Fix mask for S3C64xx CPU IDs ...
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git://git.linaro.org/people/arnd/arm-socLinus Torvalds authored
* 'next/deletion' of git://git.linaro.org/people/arnd/arm-soc: ARM: mach-nuc93x: delete Fix up trivial delete/edit conflicts in arch/arm/mach-nuc93x/{Makefile.boot,mach-nuc932evb.c,time.c}
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git://git.linaro.org/people/arnd/arm-socLinus Torvalds authored
* 'next/pm' of git://git.linaro.org/people/arnd/arm-soc: (66 commits) ARM: CSR: PM: use outer_resume to resume L2 cache ARM: CSR: call l2x0_of_init to init L2 cache of SiRFprimaII ARM: OMAP: voltage: voltage layer present, even when CONFIG_PM=n ARM: CSR: PM: add sleep entry for SiRFprimaII ARM: CSR: PM: save/restore irq status in suspend cycle ARM: CSR: PM: save/restore timer status in suspend cycle OMAP4: PM: TWL6030: add cmd register OMAP4: PM: TWL6030: fix ON/RET/OFF voltages OMAP4: PM: TWL6030: address 0V conversions OMAP4: PM: TWL6030: fix uv to voltage for >0x39 OMAP4: PM: TWL6030: fix voltage conversion formula omap: voltage: add a stub header file for external/regulator use OMAP2+: VC: more registers are per-channel starting with OMAP5 OMAP3+: voltage: update nominal voltage in voltdm_scale() not VC post-scale OMAP3+: voltage: rename omap_voltage_get_nom_volt -> voltdm_get_voltage OMAP3+: voltdm: final removal of omap_vdd_info OMAP3+: voltage: move/rename curr_volt from vdd_info into struct voltagedomain OMAP3+: voltage: rename scale and reset functions using voltdm_ prefix OMAP3+: VP: combine setting init voltage into common function OMAP3+: VP: remove unused omap_vp_get_curr_volt() ... Fix up trivial conflict in arch/arm/mach-prima2/l2x0.c (code removal vs edit)
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