- 09 Feb, 2012 27 commits
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K. Y. Srinivasan authored
Cleanup storvsc_host_reset_handler() by getting rid of storvsc_host_reset(). Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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K. Y. Srinivasan authored
Introduce defines for srb status codes. Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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K. Y. Srinivasan authored
Cleanup storvsc_queuecommand(). As part of this cleanup, rename the function to check if the scsi command can be sent to the host, consolidate error recovery and get rid of some dead code. Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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K. Y. Srinivasan authored
Cleanup storvsc_probe(). As part of this cleanup, get rid of storvsc_get_ide_info() by inlining the necessary code. Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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K. Y. Srinivasan authored
Use consistent format for comments and get rid of some unnecessary comments. Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Dan Magenheimer authored
Enable build of ramster as a staging driver Signed-off-by: Dan Magenheimer <dan.magenheimer@oracle.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Dan Magenheimer authored
New files for ramster support: The file ramster.h declares externs and some pampd bitfield manipulation. The file zcache.h declares some zcache functions that now must be accessed from the ramster glue code. The file ramster_o2net.c is the glue between zcache and the o2net messaging code, providing routines called from zcache that initiate messages, and routines that handle messages by calling zcache. TODO explains future plans for merging. Signed-off-by: Dan Magenheimer <dan.magenheimer@oracle.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Dan Magenheimer authored
In tmem.[ch], new "repatriate" (provoke async get) and "localify" (handle incoming data resulting from an async get) routines combine with a handful of changes to existing pamops interfaces allow the generic tmem code to support asynchronous operations. Also, a new tmem_xhandle struct groups together key information that must be passed to remote tmem stores. Zcache-main.c is augmented with a large amount of ramster-specific code to handle remote operations and "foreign" pages on both ends of the "remotify" protocol. New "foreign" pools are auto-created on demand. A "selfshrinker" thread periodically repatriates remote persistent pages when local memory conditions allow. For certain operations, a queue is necessary to guarantee strict ordering as out-of-order puts/flushes can cause strange race conditions. Pampd pointers now either point to local memory OR describe a remote page; to allow the same 64-bits to describe either, the LSB is used to differentiate. Some acrobatics must be performed to ensure local memory is available to handle a remote persistent get, or deal with the data directly anyway if the malloc failed. Lots of ramster-specific statistics are available via sysfs. Note: Some debug ifdefs left in for now. Signed-off-by: Dan Magenheimer <dan.magenheimer@oracle.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Dan Magenheimer authored
Ramster-specific changes to ocfs2 cluster foundation, including: A method for fooling the o2 heartbeat into starting without an ocfs2 filesystem; a new message mechanism ("data magic") for handling a reply to a message requesting data; a hack for keeping the cluster alive even after timeouts so cluster machines can be rebooted separately. Signed-off-by: Dan Magenheimer <dan.magenheimer@oracle.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Dan Magenheimer authored
Copy files from drivers/staging/zcache. Ramster compresses pages locally before transmitting them to another node, so we can leverage the zcache and tmem code directly. Note: there are no ramster-specific changes yet to these files. (Why copy? The ramster tmem.c/tmem.h changes are definitely shareable between zcache and ramster; the eventual destination for tmem.c is the linux lib directory. Ramster changes to zcache are more substantial and zcache is currently undergoing some significant unrelated changes (including a new allocator and breaking zcache-main.c into smaller files), so it seemed best to branch temporarily and merge later.) Signed-off-by: Dan Magenheimer <dan.magenheimer@oracle.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Dan Magenheimer authored
Copy cluster subdirectory from ocfs2. These files implement the basic cluster discovery, mapping, heartbeat / keepalive, and messaging ("o2net") that ramster requires for internode communication. Note: there are NO ramster-specific changes yet; this commit does NOT pass checkpatch since the copied source files do not. (Why copy? This particular part of ocfs2 has never been broken out for non-ocfs2 use before, some (small) changes are required for ramster to use that code, and ramster is currently incompatible with real ocfs2 anyway (requires !CONFIG_OCFS2_FS). Before ramster can be promoted out of staging, we will need to work with the ocfs2 maintainers to see if the code interdependencies can be merged, but for now, for staging, this seemed to be an expedient way to make use of the ocfs2 core cluster code while still incorporating necessary changes for ramster.) Signed-off-by: Dan Magenheimer <dan.magenheimer@oracle.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Masanari Iida authored
Correct spelling "reseting" to "resetting" in drivers/staging/mei/interrupt.c Signed-off-by: Masanari Iida <standby24x7@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Joe Perches authored
This stuff is really old and in quite poor shape. Does anyone still use it? If not, I think it's appropriate to let it simmer in staging for a few releases. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Anton Vorontsov authored
LMK should not try killing kernel threads. Suggested-by: Oleg Nesterov <oleg@redhat.com> Reviewed-by: Oleg Nesterov <oleg@redhat.com> Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org> Acked-by: KOSAKI Motohiro <kosaki.motohiro@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Anton Vorontsov authored
task->signal == NULL is not possible, so no need for these checks. Suggested-by: Oleg Nesterov <oleg@redhat.com> Reviewed-by: Oleg Nesterov <oleg@redhat.com> Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org> Acked-by: KOSAKI Motohiro <kosaki.motohiro@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Anton Vorontsov authored
LMK should not directly check for task->mm. The reason is that the process' threads may exit or detach its mm via use_mm(), but other threads may still have a valid mm. To catch this we use find_lock_task_mm(), which walks up all threads and returns an appropriate task (with lock held). Suggested-by: Oleg Nesterov <oleg@redhat.com> Reviewed-by: Oleg Nesterov <oleg@redhat.com> Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org> Acked-by: KOSAKI Motohiro <kosaki.motohiro@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Anton Vorontsov authored
Grabbing tasklist_lock has its disadvantages, i.e. it blocks process creation and destruction. If there are lots of processes, blocking doesn't sound as a great idea. For LMK, it is sufficient to surround tasks list traverse with rcu_read_{,un}lock(). >From now on using force_sig() is not safe, as it can race with an already exiting task, so we use send_sig() now. As a downside, it won't kill PID namespace init processes, but that's not what we want anyway. Suggested-by: Oleg Nesterov <oleg@redhat.com> Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org> Reviewed-by: Oleg Nesterov <oleg@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Tim Bird authored
Add comment to explain when w_off is not updated in case of failed second fragment copy to buffer. Signed-off-by: Tim Bird <tim.bird@am.sony.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Tim Bird authored
Add commentary, rename the function and make the code easier to read. Signed-off-by: Tim Bird <tim.bird@am.sony.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Tim Bird authored
If mutex_lock waits, it will return in state TASK_RUNNING, rubbing out the effect of prepare_to_wait(). Signed-off-by: Tim Bird <tim.bird@am.sony.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Tim Bird authored
Make this code slightly easier to read, and eliminate calls to sub-routines. Some of these were previously optimized away by the compiler, but one memcpy was not. In my testing, this makes the code about 20% smaller, and has no sub-routine calls and no branches (on ARM). v2 of this patch is, IMHO, easier to read than v1. Compared to that patch it uses __u8 instead of unsigned char, for consistency with the __u16 val data type, simplifies the conditional expression, adds a another comment, and moves a common statement out of the if. Signed-off-by: Tim Bird <tim.bird@am.sony.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Tim Bird authored
Convert to function and add log as a parameter, rather than relying on log in the context of the macro. Signed-off-by: Tim Bird <tim.bird@am.sony.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Tracey Dent authored
Just made it more neat and not bother scripts/checkpatch.pl Signed-off-by: Tracey Dent <tdent48227@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Tracey Dent authored
Minor cleanups that consist of removal of a whitespace and make file_operations const. Signed-off-by: Tracey Dent <tdent48227@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Thomas Meyer authored
The semantic patch that makes this change is available in scripts/coccinelle/api/resource_size.cocci. More information about semantic patching is available at http://coccinelle.lip6.fr/Signed-off-by: Thomas Meyer <thomas@m3y3r.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Justin P. Mattock authored
Below is a patch that fixes some typos in some comments. Signed-off-by: Justin P. Mattock <justinmattock@gmail.com> Cc: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Greg Dietsche authored
Replace kmalloc + memcpy will kmemdup in ram_console_late_init Signed-off-by: Greg Dietsche <Gregory.Dietsche@cuw.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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- 31 Jan, 2012 10 commits
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Julian Andres Klode authored
nvec modules do not require other stuff to be build in, nor does nvec_ps2 require mouse support, only generic serio support. Signed-off-by: Julian Andres Klode <jak@jak-linux.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Julian Andres Klode authored
This saves us some calls and thus makes the code shorter and nicer. Signed-off-by: Julian Andres Klode <jak@jak-linux.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Julian Andres Klode authored
The constant I2C_SL_NEWL meant "new slave", but the S was missing. Signed-off-by: Julian Andres Klode <jak@jak-linux.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Marc Dietrich authored
This changes the serio type of the nvec_ps2 mouse port to passthrough. The old 8042 type seems appropiete for keyboards only. Signed-off-by: Marc Dietrich <marvin24@gmx.de> Signed-off-by: Julian Andres Klode <jak@jak-linux.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Marc Dietrich authored
This change makes the touchpad buttons work after suspend/resume. Signed-off-by: Marc Dietrich <marvin24@gmx.de> Signed-off-by: Julian Andres Klode <jak@jak-linux.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Marc Dietrich authored
This can print the mouse traffic which goes over the i2c bus. Make mouse debugging messages configurable and disable them by default. Signed-off-by: Marc Dietrich <marvin24@gmx.de> Signed-off-by: Julian Andres Klode <jak@jak-linux.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Marc Dietrich authored
This packet size used on most modern touchpads. Ideally, this should be configurable or autodetected. Signed-off-by: Marc Dietrich <marvin24@gmx.de> Signed-off-by: Julian Andres Klode <jak@jak-linux.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Marc Dietrich authored
staging: nvec: ps2: let the start/stop streaming commands be called by the start/stop functions of serio Instead of executing these commands during open/close, the start/stop event of the serio device seem to be more appropiete. Signed-off-by: Marc Dietrich <marvin24@gmx.de> Signed-off-by: Julian Andres Klode <jak@jak-linux.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Marc Dietrich authored
This adds suspend and resume functions to the nvec_ps2 mouse driver. During suspend the nvec sends a "Cancel all mouse events" command. If this is missed, there will be still some bytes in the received buffer after resume which make the mouse go out of sync. Signed-off-by: Marc Dietrich <marvin24@gmx.de> Signed-off-by: Julian Andres Klode <jak@jak-linux.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Alan Cox authored
Signed-off-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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- 30 Jan, 2012 1 commit
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Mark Allyn authored
This is basically a rewrite so there isn't a nice easy to present way of providing this as a patch series. This patch is a pull of Mark's new driver into the upstream staging area. On top of that are a series of patches by Andy Shevchenko to make it build on the current tree, fix a few things and even get it passed sparse. The new driver supports the kernel crypto layer, passes the coding style checks, passes human taste checks and has proper kernel-doc formatted comments. I've then folded back in some later fixes it was missing that got applied to to the kernel tree. This should be ready for more serious review with a view to migration from the staging tree shortly. Signed-off-by: Mark Allyn <mark.a.allyn@intel.com> [Forward port and some bug fixing] Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> [Fold and tweaks for 3.2] Signed-off-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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- 19 Jan, 2012 2 commits
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Linus Torvalds authored
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Linus Torvalds authored
Merge branches 'sched-urgent-for-linus', 'perf-urgent-for-linus' and 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip * 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: sched/accounting, proc: Fix /proc/stat interrupts sum * 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: tracepoints/module: Fix disabling tracepoints with taint CRAP or OOT x86/kprobes: Add arch/x86/tools/insn_sanity to .gitignore x86/kprobes: Fix typo transferred from Intel manual * 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86, syscall: Need __ARCH_WANT_SYS_IPC for 32 bits x86, tsc: Fix SMI induced variation in quick_pit_calibrate() x86, opcode: ANDN and Group 17 in x86-opcode-map.txt x86/kconfig: Move the ZONE_DMA entry under a menu x86/UV2: Add accounting for BAU strong nacks x86/UV2: Ack BAU interrupt earlier x86/UV2: Remove stale no-resources test for UV2 BAU x86/UV2: Work around BAU bug x86/UV2: Fix BAU destination timeout initialization x86/UV2: Fix new UV2 hardware by using native UV2 broadcast mode x86: Get rid of dubious one-bit signed bitfield
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