- 27 Jul, 2011 2 commits
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/linux-arm-socLinus Torvalds authored
* 'next/fixes2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/linux-arm-soc: (24 commits) ASoC: omap: McBSP: fix build breakage on OMAP1 OMAP: hwmod: fix the i2c-reset timeout during bootup I2C: OMAP2+: add correct functionality flags to all omap2plus i2c dev_attr I2C: OMAP2+: Tag all OMAP2+ hwmod defintions with I2C IP revision I2C: OMAP1/OMAP2+: create omap I2C functionality flags for each cpu_... test I2C: OMAP2+: Introduce I2C IP versioning constants I2C: OMAP2+: increase omap_i2c_dev_attr flags from u8 to u32 I2C: OMAP2+: Set hwmod flags to only allow 16-bit accesses to i2c OMAP4: hwmod data: Change DSS main_clk scheme OMAP4: powerdomain data: Remove unsupported MPU powerdomain state OMAP4: clock data: Keep GPMC clocks always enabled and hardware managed OMAP4: powerdomain data: Fix core mem states and missing cefuse flag OMAP2+: PM: Initialise sleep_switch to a non-valid value OMAP4: hwmod data: Modify DSS opt clocks OMAP4: iommu: fix clock name omap: iovmm: s/sg_dma_len(sg)/sg->length/ omap: iommu: fix pte programming arm: omap3: cm-t35: fix slow path warning arm: omap3: cm-t35: minor comments fixes omap: ZOOM: QUART: Request reset GPIO ...
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/linux-arm-socLinus Torvalds authored
* 'next/soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/linux-arm-soc: MAINTAINERS: add maintainer of CSR SiRFprimaII machine ARM: CSR: initializing L2 cache ARM: CSR: mapping early DEBUG_LL uart ARM: CSR: Adding CSR SiRFprimaII board support OMAP4: clocks: Update the clock tree with 4460 clock nodes OMAP4: PRCM: OMAP4460 specific PRM and CM register bitshifts OMAP4: ID: add omap_has_feature for max freq supported OMAP: ID: introduce chip detection for OMAP4460 ARM: Xilinx: merge board file into main platform code ARM: Xilinx: Adding Xilinx board support Fix up conflicts in arch/arm/mach-omap2/cm-regbits-44xx.h
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- 26 Jul, 2011 38 commits
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git://git.fluff.org/bjdooks/linuxLinus Torvalds authored
* 'next-i2c' of git://git.fluff.org/bjdooks/linux: i2c-eg20t : Fix the issue of Combined R/W transfer mode i2c-eg20t : Support Combined R/W transfer mode i2c: Tegra: Add DeviceTree support
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Mike Frysinger authored
Only a few core funcs need to be implemented for SMP systems, so allow the arches to override them while getting the rest for free. At least, this is enough to allow the Blackfin SMP port to use things. Signed-off-by:
Mike Frysinger <vapier@gentoo.org> Cc: Arun Sharma <asharma@fb.com> Cc: Arnd Bergmann <arnd@arndb.de> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Mike Frysinger authored
Since arches are expected to implement this guy, add a common version for people the same way as atomic_clear_mask is handled. Signed-off-by:
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Mike Frysinger authored
The atomic helpers are supposed to take an atomic_t pointer, not a random unsigned long pointer. So convert atomic_clear_mask over. While we're here, also add some nice documentation to the func. Signed-off-by:
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Mike Frysinger authored
We already declared inc/dec helpers, so we don't need to call the atomic_{add,sub}_return funcs directly. Signed-off-by: -
Arun Sharma authored
This clarifies the differences between <linux/atomic.h> and <asm-generic/atomic.h> Signed-off-by:
Arun Sharma <asharma@fb.com> Suggested-by:
Mike Frysinger <vapier.adi@gmail.com> Cc: Eric Dumazet <eric.dumazet@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: David Miller <davem@davemloft.net> Acked-by:
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Arun Sharma authored
After changing all consumers of atomics to include <linux/atomic.h>, we ran into some compile time errors due to this dependency chain: linux/atomic.h -> asm/atomic.h -> asm-generic/atomic-long.h where atomic-long.h could use funcs defined later in linux/atomic.h without a prototype. This patches moves the code that includes asm-generic/atomic*.h to linux/atomic.h. Archs that need <asm-generic/atomic64.h> need to select CONFIG_GENERIC_ATOMIC64 from now on (some of them used to include it unconditionally). Compile tested on i386 and x86_64 with allnoconfig. Signed-off-by: -
Arun Sharma authored
This is in preparation for more generic atomic primitives based on __atomic_add_unless. Signed-off-by:
Hans-Christian Egtvedt <hans-christian.egtvedt@atmel.com> Reviewed-by:
Eric Dumazet <eric.dumazet@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: David Miller <davem@davemloft.net> Acked-by:
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Arun Sharma authored
This allows us to move duplicated code in <asm/atomic.h> (atomic_inc_not_zero() for now) to <linux/atomic.h> Signed-off-by:
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Akinobu Mita authored
The majority of architectures implement ext2 atomic bitops as test_and_{set,clear}_bit() without spinlock. This adds this type of generic implementation in ext2-atomic-setbit.h and use it wherever possible. Signed-off-by:Akinobu Mita <akinobu.mita@gmail.com> Suggested-by:
Andreas Dilger <adilger@dilger.ca> Suggested-by:
Arnd Bergmann <arnd@arndb.de> Acked-by:
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Akinobu Mita authored
This changes should_fail_request() to more usable wrapper function of should_fail(). It can avoid putting #ifdef CONFIG_FAIL_MAKE_REQUEST in the middle of a function. Signed-off-by:
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Akinobu Mita authored
Now cleanup_fault_attr_dentries() recursively removes a directory, So we can simplify the error handling in the initialization code and no need to hold dentry structs for each debugfs file. Signed-off-by:
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Akinobu Mita authored
Now cleanup_fault_attr_dentries() recursively removes a directory, So we can simplify the error handling in the initialization code and no need to hold dentry structs for each debugfs file. Signed-off-by:
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Akinobu Mita authored
Use debugfs_remove_recursive() to simplify initialization and deinitialization of fault injection debugfs files. Signed-off-by:
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Akinobu Mita authored
Minor cosmetic changes for simple attribute of stacktrace_depth: - use min_t() - reduce #ifdef by moving a function - do not use partly capitalized function name Signed-off-by:
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Akinobu Mita authored
should_fail_srandom() does not exist. Signed-off-by:
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Akinobu Mita authored
No need to include linux/kallsyms.h. Signed-off-by:
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Sergiu Iordache authored
The size of the dump is currently set using the RECORD_SIZE macro which is set to a page size. This patch makes the record size a module parameter and allows it to be set through platform data as well to allow larger dumps if needed. Signed-off-by:
Sergiu Iordache <sergiu@chromium.org> Acked-by:
Marco Stornelli <marco.stornelli@gmail.com> Cc: "Ahmed S. Darwish" <darwish.07@gmail.com> Cc: Artem Bityutskiy <Artem.Bityutskiy@nokia.com> Cc: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by:
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Sergiu Iordache authored
The platform driver currently allows setting the mem_size and mem_address. ince dump_oops is also a module parameter it would be more consistent if it could be set through platform data as well. Signed-off-by:
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Marco Stornelli authored
Add new line to each print. Signed-off-by:
Stevie Trujillo <stevie.trujillo@gmail.com> Cc: Kyungmin Park <kyungmin.park@samsung.com> Cc: Américo Wang <xiyou.wangcong@gmail.com> Cc: Joe Perches <joe@perches.com> Signed-off-by:
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Marco Stornelli authored
Use generic module parameters instead of platform data, if platform data are not available. This limitation has been introduced with commit c3b92ce9 ("ramoops: use the platform data structure instead of module params"). [akpm@linux-foundation.org: coding-style fixes] Signed-off-by:
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Dmitry Torokhov authored
With the arrival of concurrency-managed workqueues there is no need for our driver to use dedicated workqueue; system-wide one should suffice just fine. [akpm@linux-foundation.org: fix comment layout & grammar] Signed-off-by:
Dmitry Torokhov <dtor@vmware.com> Acked-by:
Tejun Heo <tj@kernel.org> Signed-off-by:
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Christian Glindkamp authored
Signed-off-by:
Christian Glindkamp <christian.glindkamp@taskit.de> Cc: Evgeniy Polyakov <johnpol@2ka.mipt.ru> Signed-off-by:
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Mandeep Singh Baines authored
Don't force output if you intend to reboot immediately. In this patch, I'm disabling the functionality enabled by vc->vc_panic_force_write if panic_timeout < 0 (i.e. no timeout). vc_panic_force_write is only enabled for fb video consoles if the FBINFO_CAN_FORCE_OUTPUT flag is set. For our application, we're using ram_oops to preserved the panic in memory. We want to reliably, and as fast as possible, machine_restart. The vc_panic_force_write flag results in a bunch of graphics driver code to be invoked which slows down restart and decreases reliability. Since we're already storing the panic in RAM and are going to reboot immediately, there is no benefit in mode switching back to the vc in order to display the panic output. The log buffer will get flushed by the console_unblank() call so remote management consoles should see all output. Signed-off-by:
Mandeep Singh Baines <msb@chromium.org> Cc: Huang Ying <ying.huang@intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Hugh Dickins <hughd@google.com> Cc: Olaf Hering <olaf@aepfle.de> Cc: Jesse Barnes <jbarnes@virtuousgeek.org> Cc: Dave Airlie <airlied@gmail.com> Cc: Greg Kroah-Hartman <gregkh@suse.de> Acked-by:
Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by:
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Hugh Dickins authored
When a kernel BUG or oops occurs, ChromeOS intends to panic and immediately reboot, with stacktrace and other messages preserved in RAM across reboot. But the longer we delay, the more likely the user is to poweroff and lose the info. panic_timeout (seconds before rebooting) is set by panic= boot option or sysctl or /proc/sys/kernel/panic; but 0 means wait forever, so at present we have to delay at least 1 second. Let a negative number mean reboot immediately (with the small cosmetic benefit of suppressing that newline-less "Rebooting in %d seconds.." message). Signed-off-by:
Hugh Dickins <hughd@chromium.org> Signed-off-by:
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Michal Miroslaw authored
See: DMA-API.txt, part Id, DMA_FROM_DEVICE description. Signed-off-by:
Michal Miroslaw <mirq-linux@rere.qmqm.pl> Cc: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Signed-off-by:
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WANG Cong authored
git grep shows there are no users in tree, so we can remove them safely. Signed-off-by:
WANG Cong <xiyou.wangcong@gmail.com> Acked-by:
FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Acked-by:
Jiri Slaby <jslaby@suse.cz> Acked-by:
Vinod Koul <vinod.koul@intel.com> Signed-off-by:
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Vitaliy Ivanov authored
Selecting GCOV for UML causing configuration mismatch: warning: (GCOV_KERNEL) selects CONSTRUCTORS which has unmet direct dependencies (!UML) Constructors are not needed for UML. Signed-off-by:
Vitaliy Ivanov <vitalivanov@gmail.com> Cc: Peter Oberparleiter <oberpar@linux.vnet.ibm.com> Acked-by:
Richard Weinberger <richard@nod.at> Acked-by:
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Kai.Jiang authored
Parameter offset_in_page in edac_mc_handle_ce() should mask the higher bits above the page size, not the lower bits. The original input sometimes causes a crash. Signed-off-by:
Kai.Jiang <Kai.Jiang@freescale.com> Signed-off-by:
Shaohui Xie <Shaohui.Xie@freescale.com> Cc: Anton Vorontsov <avorontsov@mvista.com> Cc: Grant Likely <grant.likely@secretlab.ca> Cc: "David S. Miller" <davem@davemloft.net> Cc: Kumar Gala <galak@kernel.crashing.org> Signed-off-by:
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Vasiliy Kulikov authored
Add support for the shm_rmid_forced sysctl. If set to 1, all shared memory objects in current ipc namespace will be automatically forced to use IPC_RMID. The POSIX way of handling shmem allows one to create shm objects and call shmdt(), leaving shm object associated with no process, thus consuming memory not counted via rlimits. With shm_rmid_forced=1 the shared memory object is counted at least for one process, so OOM killer may effectively kill the fat process holding the shared memory. It obviously breaks POSIX - some programs relying on the feature would stop working. So set shm_rmid_forced=1 only if you're sure nobody uses "orphaned" memory. Use shm_rmid_forced=0 by default for compatability reasons. The feature was previously impemented in -ow as a configure option. [akpm@linux-foundation.org: fix documentation, per Randy] [akpm@linux-foundation.org: fix warning] [akpm@linux-foundation.org: readability/conventionality tweaks] [akpm@linux-foundation.org: fix shm_rmid_forced/shm_forced_rmid confusion, use standard comment layout] Signed-off-by:
Vasiliy Kulikov <segoon@openwall.com> Cc: Randy Dunlap <rdunlap@xenotime.net> Cc: "Eric W. Biederman" <ebiederm@xmission.com> Cc: "Serge E. Hallyn" <serge.hallyn@canonical.com> Cc: Daniel Lezcano <daniel.lezcano@free.fr> Cc: Oleg Nesterov <oleg@redhat.com> Cc: Tejun Heo <tj@kernel.org> Cc: Ingo Molnar <mingo@elte.hu> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Cc: Solar Designer <solar@openwall.com> Signed-off-by:
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Jiri Slaby authored
We return ENOMEM from mqueue_get_inode even when we have enough memory. Namely in case the system rlimit of mqueue was reached. This error propagates to mq_queue and user sees the error unexpectedly. So fix this up to properly return EMFILE as described in the manpage: EMFILE The process already has the maximum number of files and message queues open. instead of: ENOMEM Insufficient memory. With the previous patch we just switch to ERR_PTR/PTR_ERR/IS_ERR error handling here. Signed-off-by:
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Jiri Slaby authored
If new_inode fails to allocate an inode we need only to return with NULL. But now we test the opposite and have all the work in a nested block. So do the opposite to save one indentation level (and remove unnecessary line breaks). This is only a preparation/cleanup for the next patch where we fix up return values from mqueue_get_inode. Signed-off-by:
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KOSAKI Motohiro authored
cpumask_var_t has one notable difference from cpumask_t. Add the explanation. Signed-off-by:
KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Cc: Thiago Farina <tfransosi@gmail.com> Signed-off-by:
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KOSAKI Motohiro authored
NUMA_NO_NODE and numa_node_id() have different meanings. NUMA_NO_NODE is obviously the recommended fallback. Signed-off-by:
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KOSAKI Motohiro authored
Adapt new API fashion. Signed-off-by:
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Oleg Nesterov authored
acct_arg_size() takes ->page_table_lock around add_mm_counter() if !SPLIT_RSS_COUNTING. This is not needed after commit 172703b0 ("mm: delete non-atomic mm counter implementation"). Signed-off-by:
Oleg Nesterov <oleg@redhat.com> Reviewed-by:
Matt Fleming <matt.fleming@linux.intel.com> Cc: Dave Hansen <dave@linux.vnet.ibm.com> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Signed-off-by:
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Tetsuo Handa authored
If CONFIG_MODULES=n, it makes no sense to retry the list of binary formats handler because the list will not be modified by request_module(). Signed-off-by:
Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Cc: Richard Weinberger <richard@nod.at> Cc: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by:
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Tetsuo Handa authored
Currently, search_binary_handler() tries to load binary loader module using request_module() if a loader for the requested program is not yet loaded. But second attempt of request_module() does not affect the result of search_binary_handler(). If request_module() triggered recursion, calling request_module() twice causes 2 to the power of MAX_KMOD_CONCURRENT (= 50) repetitions. It is not an infinite loop but is sufficient for users to consider as a hang up. Therefore, this patch changes not to call request_module() twice, making 1 to the power of MAX_KMOD_CONCURRENT repetitions in case of recursion. Signed-off-by:
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