| Commit message (Collapse) | Author | Age | Files | Lines |
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Pull nfsd changes from Bruce Fields:
Highlights:
- Benny Halevy and Tigran Mkrtchyan implemented some more 4.1 features,
moving us closer to a complete 4.1 implementation.
- Bernd Schubert fixed a long-standing problem with readdir cookies on
ext2/3/4.
- Jeff Layton performed a long-overdue overhaul of the server reboot
recovery code which will allow us to deprecate the current code (a
rather unusual user of the vfs), and give us some needed flexibility
for further improvements.
- Like the client, we now support numeric uid's and gid's in the
auth_sys case, allowing easier upgrades from NFSv2/v3 to v4.x.
Plus miscellaneous bugfixes and cleanup.
Thanks to everyone!
There are also some delegation fixes waiting on vfs review that I
suppose will have to wait for 3.5. With that done I think we'll finally
turn off the "EXPERIMENTAL" dependency for v4 (though that's mostly
symbolic as it's been on by default in distro's for a while).
And the list of 4.1 todo's should be achievable for 3.5 as well:
http://wiki.linux-nfs.org/wiki/index.php/Server_4.0_and_4.1_issues
though we may still want a bit more experience with it before turning it
on by default.
* 'for-3.4' of git://linux-nfs.org/~bfields/linux: (55 commits)
nfsd: only register cld pipe notifier when CONFIG_NFSD_V4 is enabled
nfsd4: use auth_unix unconditionally on backchannel
nfsd: fix NULL pointer dereference in cld_pipe_downcall
nfsd4: memory corruption in numeric_name_to_id()
sunrpc: skip portmap calls on sessions backchannel
nfsd4: allow numeric idmapping
nfsd: don't allow legacy client tracker init for anything but init_net
nfsd: add notifier to handle mount/unmount of rpc_pipefs sb
nfsd: add the infrastructure to handle the cld upcall
nfsd: add a header describing upcall to nfsdcld
nfsd: add a per-net-namespace struct for nfsd
sunrpc: create nfsd dir in rpc_pipefs
nfsd: add nfsd4_client_tracking_ops struct and a way to set it
nfsd: convert nfs4_client->cl_cb_flags to a generic flags field
NFSD: Fix nfs4_verifier memory alignment
NFSD: Fix warnings when NFSD_DEBUG is not defined
nfsd: vfs_llseek() with 32 or 64 bit offsets (hashes)
nfsd: rename 'int access' to 'int may_flags' in nfsd_open()
ext4: return 32/64-bit dir name hash according to usage type
fs: add new FMODE flags: FMODE_32bithash and FMODE_64bithash
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Mimic the client side by providing a module parameter that turns off
idmapping in the auth_sys case, for backwards compatibility with NFSv2
and NFSv3.
Unlike in the client case, we don't have any way to negotiate, since the
client can return an error to us if it doesn't like the id that we
return to it in (for example) a getattr call.
However, it has always been possible for servers to return numeric id's,
and as far as we're aware clients have always been able to handle them.
Also, in the auth_sys case clients already need to have numeric id's the
same between client and server.
Therefore we believe it's safe to default this to on; but the module
parameter is available to return to previous behavior if this proves to
be a problem in some unexpected setup.
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 updates from Ingo Molnar.
This touches some non-x86 files due to the sanitized INLINE_SPIN_UNLOCK
config usage.
Fixed up trivial conflicts due to just header include changes (removing
headers due to cpu_idle() merge clashing with the <asm/system.h> split).
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/apic/amd: Be more verbose about LVT offset assignments
x86, tls: Off by one limit check
x86/ioapic: Add io_apic_ops driver layer to allow interception
x86/olpc: Add debugfs interface for EC commands
x86: Merge the x86_32 and x86_64 cpu_idle() functions
x86/kconfig: Remove CONFIG_TR=y from the defconfigs
x86: Stop recursive fault in print_context_stack after stack overflow
x86/io_apic: Move and reenable irq only when CONFIG_GENERIC_PENDING_IRQ=y
x86/apic: Add separate apic_id_valid() functions for selected apic drivers
locking/kconfig: Simplify INLINE_SPIN_UNLOCK usage
x86/kconfig: Update defconfigs
x86: Fix excessive MSR print out when show_msr is not specified
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Add a debugfs interface for sending commands to the OLPC
Embedded Controller (EC) and reading the responses. The EC
provides functionality for machine identification, battery and
AC control, wakeup control, etc.
Having a debugfs interface available is useful for EC
development and debugging.
Based on code by Paul Fox (who also approves of the end result).
Signed-off-by: Daniel Drake <dsd@laptop.org>
Acked-by: Paul Fox <pgf@laptop.org>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Andres Salomon <dilinger@queued.net>
Link: http://lkml.kernel.org/r/20120327150740.667D09D401E@zog.reactivated.net
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc
Pull MMC updates from Chris Ball:
Core:
* Support for MMC 4.5 Data Tag feature -- we tag REQ_META, so devices
that support Data Tag will provide increased throughput for metadata.
* Faster detection of card removal on I/O errors.
Drivers:
* dw_mmc now supports eMMC Power Off Notify, has PCI support, and
implements pre_req and post_req for asynchronous requests.
* omap_hsmmc now supports device tree.
* esdhc now has power management support.
* sdhci-tegra now supports Tegra30 devices.
* sdhci-spear now supports hibernation.
* tmio_mmc now supports using a GPIO for card detection.
* Intel PCH now supports 8-bit bus transfers.
* tag 'mmc-merge-for-3.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc: (53 commits)
mmc: sh_mmcif: simplify bitmask macros
mmc: sh_mobile_sdhi: support modular mmc-core with non-standard hotplug
mmc: sh_mobile_sdhi: add a callback for board specific init code
mmc: tmio: cosmetic: prettify the tmio_mmc_set_ios() function
mmc: sh_mobile_sdhi: do not manage PM clocks manually
mmc: tmio_mmc: remove unused sdio_irq_enabled flag
mmc: tmio_mmc: power status flag doesn't have to be exposed in platform data
mmc: sh_mobile_sdhi: pass card hotplug GPIO number to TMIO MMC
mmc: tmio_mmc: support the generic MMC GPIO card hotplug helper
mmc: tmio: calculate the native hotplug condition only once
mmc: simplify mmc_cd_gpio_request() by removing two parameters
mmc: sdhci-pci: allow 8-bit bus width for Intel PCH
mmc: sdhci: check interrupt flags in ISR again
mmc: sdhci-pci: Add MSI support
mmc: core: warn when card doesn't support HPI
mmc: davinci: Poll status for small size transfers
mmc: davinci: Eliminate spurious interrupts
mmc: omap_hsmmc: Avoid a regulator voltage change with dt
mmc: omap_hsmmc: Convert hsmmc driver to use device tree
mmc: sdhci-pci: add SDHCI_QUIRK2_HOST_OFF_CARD_ON for Medfield SDIO
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Define dt bindings for the ti-omap-hsmmc, and adapt the driver to extract
data (which was earlier passed as platform_data) from device tree.
Signed-off-by: Rajendra Nayak <rnayak@ti.com>
Acked-by: Rob Herring <rob.herring@calxeda.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
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Merge third batch of patches from Andrew Morton:
- Some MM stragglers
- core SMP library cleanups (on_each_cpu_mask)
- Some IPI optimisations
- kexec
- kdump
- IPMI
- the radix-tree iterator work
- various other misc bits.
"That'll do for -rc1. I still have ~10 patches for 3.4, will send
those along when they've baked a little more."
* emailed from Andrew Morton <akpm@linux-foundation.org>: (35 commits)
backlight: fix typo in tosa_lcd.c
crc32: add help text for the algorithm select option
mm: move hugepage test examples to tools/testing/selftests/vm
mm: move slabinfo.c to tools/vm
mm: move page-types.c from Documentation to tools/vm
selftests/Makefile: make `run_tests' depend on `all'
selftests: launch individual selftests from the main Makefile
radix-tree: use iterators in find_get_pages* functions
radix-tree: rewrite gang lookup using iterator
radix-tree: introduce bit-optimized iterator
fs/proc/namespaces.c: prevent crash when ns_entries[] is empty
nbd: rename the nbd_device variable from lo to nbd
pidns: add reboot_pid_ns() to handle the reboot syscall
sysctl: use bitmap library functions
ipmi: use locks on watchdog timeout set on reboot
ipmi: simplify locking
ipmi: fix message handling during panics
ipmi: use a tasklet for handling received messages
ipmi: increase KCS timeouts
ipmi: decrease the IPMI message transaction time in interrupt mode
...
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hugepage-mmap.c, hugepage-shm.c and map_hugetlb.c in Documentation/vm are
simple pass/fail tests, It's better to promote them to
tools/testing/selftests.
Thanks suggestion of Andrew Morton about this. They all need firstly
setting up proper nr_hugepages and hugepage-mmap need to mount hugetlbfs.
So I add a shell script run_vmtests to do such work which will call the
three test programs and check the return value of them.
Changes to original code including below:
a. add run_vmtests script
b. return error when read_bytes mismatch with writed bytes.
c. coding style fixes: do not use assignment in if condition
[akpm@linux-foundation.org: build the targets before trying to execute them]
[akpm@linux-foundation.org: Documentation/vm/ no longer has a Makefile. Fixes "make clean"]
Signed-off-by: Dave Young <dyoung@redhat.com>
Cc: Wu Fengguang <fengguang.wu@intel.com>
Cc: Christoph Lameter <cl@linux.com>
Cc: Pekka Enberg <penberg@cs.helsinki.fi>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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tools/ is the better place for vm tools which are used by many people.
Moving them to tools also make them open to more users instead of hide in
Documentation folder.
This patch moves page-types.c to tools/vm/page-types.c. Also add a
Makefile in tools/vm and fix two coding style problems: a) change const
arrary to 'const char * const', b) change a space to tab for indent.
Signed-off-by: Dave Young <dyoung@redhat.com>
Acked-by: Wu Fengguang <fengguang.wu@intel.com>
Cc: Christoph Lameter <cl@linux.com>
Cc: Pekka Enberg <penberg@cs.helsinki.fi>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.linaro.org/people/sumitsemwal/linux-dma-buf
Pull dma-buf updates from Sumit Semwal:
"This includes the following key items:
- kernel cpu access support,
- flag-passing to dma_buf_fd,
- relevant Documentation updates, and
- some minor cleanups and fixes.
These changes are needed for the drm prime/dma-buf interface code that
Dave Airlie plans to submit in this merge window."
* 'for-linus-3.4' of git://git.linaro.org/people/sumitsemwal/linux-dma-buf:
dma-buf: correct dummy function declarations.
dma-buf: document fd flags and O_CLOEXEC requirement
dma_buf: Add documentation for the new cpu access support
dma-buf: add support for kernel cpu access
dma-buf: don't hold the mutex around map/unmap calls
dma-buf: add get_dma_buf()
dma-buf: pass flags into dma_buf_fd.
dma-buf: add dma_data_direction to unmap dma_buf_op
dma-buf: Move code out of mutex-protected section in dma_buf_attach()
dma-buf: Return error instead of using a goto statement when possible
dma-buf: Remove unneeded sanity checks
dma-buf: Constify ops argument to dma_buf_export()
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Otherwise subsystems will get this wrong and end up with a second
export ioctl with the flag and O_CLOEXEC support added.
Signed-off-by: Rob Clark <rob@ti.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Sumit Semwal <sumit.semwal@linaro.org>
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v2: Fix spelling issues noticed by Rob Clark.
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Rob Clark <rob@ti.com>
Signed-off-by: Sumit Semwal <sumit.semwal@linaro.org>
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Pull kvm updates from Avi Kivity:
"Changes include timekeeping improvements, support for assigning host
PCI devices that share interrupt lines, s390 user-controlled guests, a
large ppc update, and random fixes."
This is with the sign-off's fixed, hopefully next merge window we won't
have rebased commits.
* 'kvm-updates/3.4' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (130 commits)
KVM: Convert intx_mask_lock to spin lock
KVM: x86: fix kvm_write_tsc() TSC matching thinko
x86: kvmclock: abstract save/restore sched_clock_state
KVM: nVMX: Fix erroneous exception bitmap check
KVM: Ignore the writes to MSR_K7_HWCR(3)
KVM: MMU: make use of ->root_level in reset_rsvds_bits_mask
KVM: PMU: add proper support for fixed counter 2
KVM: PMU: Fix raw event check
KVM: PMU: warn when pin control is set in eventsel msr
KVM: VMX: Fix delayed load of shared MSRs
KVM: use correct tlbs dirty type in cmpxchg
KVM: Allow host IRQ sharing for assigned PCI 2.3 devices
KVM: Ensure all vcpus are consistent with in-kernel irqchip settings
KVM: x86 emulator: Allow PM/VM86 switch during task switch
KVM: SVM: Fix CPL updates
KVM: x86 emulator: VM86 segments must have DPL 3
KVM: x86 emulator: Fix task switch privilege checks
arch/powerpc/kvm/book3s_hv.c: included linux/sched.h twice
KVM: x86 emulator: correctly mask pmc index bits in RDPMC instruction emulation
KVM: mmu_notifier: Flush TLBs before releasing mmu_lock
...
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PCI 2.3 allows to generically disable IRQ sources at device level. This
enables us to share legacy IRQs of such devices with other host devices
when passing them to a guest.
The new IRQ sharing feature introduced here is optional, user space has
to request it explicitly. Moreover, user space can inform us about its
view of PCI_COMMAND_INTX_DISABLE so that we can avoid unmasking the
interrupt and signaling it if the guest masked it via the virtualized
PCI config space.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Acked-by: Alex Williamson <alex.williamson@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
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Instead of keeping separate copies of struct kvm_vcpu_arch_shared (one in
the code, one in the docs) that inevitably fail to be kept in sync
(already sr[] is missing from the doc version), just point to the header
file as the source of documentation on the contents of the magic page.
Signed-off-by: Scott Wood <scottwood@freescale.com>
Acked-by: Avi Kivity <avi@redhat.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Avi Kivity <avi@redhat.com>
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Until now, we always set HIOR based on the PVR, but this is just wrong.
Instead, we should be setting HIOR explicitly, so user space can decide
what the initial HIOR value is - just like on real hardware.
We keep the old PVR based way around for backwards compatibility, but
once user space uses the SET_ONE_REG based method, we drop the PVR logic.
Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Avi Kivity <avi@redhat.com>
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Right now we transfer a static struct every time we want to get or set
registers. Unfortunately, over time we realize that there are more of
these than we thought of before and the extensibility and flexibility of
transferring a full struct every time is limited.
So this is a new approach to the problem. With these new ioctls, we can
get and set a single register that is identified by an ID. This allows for
very precise and limited transmittal of data. When we later realize that
it's a better idea to shove over multiple registers at once, we can reuse
most of the infrastructure and simply implement a GET_MANY_REGS / SET_MANY_REGS
interface.
Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Avi Kivity <avi@redhat.com>
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This implements a shared-memory API for giving host userspace access to
the guest's TLB.
Signed-off-by: Scott Wood <scottwood@freescale.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Avi Kivity <avi@redhat.com>
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On some cpus the overhead for virtualization instructions is in the same
range as a system call. Having to call multiple ioctls to get set registers
will make certain userspace handled exits more expensive than necessary.
Lets provide a section in kvm_run that works as a shared save area
for guest registers.
We also provide two 64bit flags fields (architecture specific), that will
specify
1. which parts of these fields are valid.
2. which registers were modified by userspace
Each bit for these flag fields will define a group of registers (like
general purpose) or a single register.
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
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This patch allows the user to fault in pages on a virtual cpus
address space for user controlled virtual machines. Typically this
is superfluous because userspace can just create a mapping and
let the kernel's page fault logic take are of it. There is one
exception: SIE won't start if the lowcore is not present. Normally
the kernel takes care of this [handle_validity() in
arch/s390/kvm/intercept.c] but since the kernel does not handle
intercepts for user controlled virtual machines, userspace needs to
be able to handle this condition.
Signed-off-by: Carsten Otte <cotte@de.ibm.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
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This patch exports the s390 SIE hardware control block to userspace
via the mapping of the vcpu file descriptor. In order to do so,
a new arch callback named kvm_arch_vcpu_fault is introduced for all
architectures. It allows to map architecture specific pages.
Signed-off-by: Carsten Otte <cotte@de.ibm.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
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This patch introduces a new exit reason in the kvm_run structure
named KVM_EXIT_S390_UCONTROL. This exit indicates, that a virtual cpu
has regognized a fault on the host page table. The idea is that
userspace can handle this fault by mapping memory at the fault
location into the cpu's address space and then continue to run the
virtual cpu.
Signed-off-by: Carsten Otte <cotte@de.ibm.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
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This patch introduces two ioctls for virtual cpus, that are only
valid for kernel virtual machines that are controlled by userspace.
Each virtual cpu has its individual address space in this mode of
operation, and each address space is backed by the gmap
implementation just like the address space for regular KVM guests.
KVM_S390_UCAS_MAP allows to map a part of the user's virtual address
space to the vcpu. Starting offset and length in both the user and
the vcpu address space need to be aligned to 1M.
KVM_S390_UCAS_UNMAP can be used to unmap a range of memory from a
virtual cpu in a similar way.
Signed-off-by: Carsten Otte <cotte@de.ibm.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
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This patch introduces a new config option for user controlled kernel
virtual machines. It introduces a parameter to KVM_CREATE_VM that
allows to set bits that alter the capabilities of the newly created
virtual machine.
The parameter is passed to kvm_arch_init_vm for all architectures.
The only valid modifier bit for now is KVM_VM_S390_UCONTROL.
This requires CAP_SYS_ADMIN privileges and creates a user controlled
virtual machine on s390 architectures.
Signed-off-by: Carsten Otte <cotte@de.ibm.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
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Pull module and param updates from Rusty Russell:
"I'm getting married next week, and then honeymoon until 6th May. I'll
be offline from next week, except to post the compulsory pictures if
Alex shaves her head..."
I'm sure Rusty can take time off from his honeymoon if something comes
up. And here's the explanation about head shaving:
http://baldalex.org/
in case you wondered and wanted to support another insane caper or
Rusty's involving shaving.
What *is* it with Rusty and shaving, anyway?
* git://github.com/rustyrussell/linux:
module: Remove module size limit
module: move __module_get and try_module_get() out of line.
params: <level>_initcall-like kernel parameters
module_param: remove support for bool parameters which are really int.
module: add kernel param to force disable module load
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Sometimes we need to test a kernel of same version with code or config
option changes.
We already have sysctl to disable module load, but add a kernel
parameter will be more convenient.
Since modules_disabled is int, so here use bint type in core_param.
TODO: make sysctl accept bool and change modules_disabled to bool
Signed-off-by: Dave Young <dyoung@redhat.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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Pull x86 platform driver updates from Matthew Garrett:
"Some significant updates to samsung-laptop, additional hardware
support for Toshibas, misc updates to various hardware and a new
backlight driver for some Apple machines."
Fix up trivial conflicts: geode Geos update happening next to net5501
support, and MSIC thermal platform support added twice.
* 'for_linus' of git://cavan.codon.org.uk/platform-drivers-x86: (77 commits)
acer-wmi: add quirk table for video backlight vendor mode
drivers/platform/x86/amilo-rfkill.c::amilo_rfkill_probe() avoid NULL deref
samsung-laptop: unregister ACPI video module for some well known laptops
acer-wmi: No wifi rfkill on Sony machines
thinkpad-acpi: recognize Lenovo as version string in newer V-series BIOS
asus-wmi: don't update power and brightness when using scalar
eeepc-wmi: split et2012 specific hacks
eeepc-wmi: refine quirks handling
asus-nb-wmi: set panel_power correctly
asus-wmi: move WAPF variable into quirks_entry
asus-wmi: store backlight power status for AIO machine
asus-wmi: add scalar board brightness adj. support
samsung-laptop: cleanup return type: mode_t vs umode_t
drivers, samsung-laptop: fix usage of isalnum
drivers, samsung-laptop: fix initialization of sabi_data in sabi_set_commandb
asus-wmi: on/off bit is not set when reading the value
eeepc-wmi: add extra keymaps for EP121
asus-nb-wmi: ignore useless keys
acer-wmi: support Lenovo ideapad S205 Brazos wifi switch
acer-wmi: fix out of input parameter size when set
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asus_acpi only support old models, it has been deprecated since
2009 in favor of asus-laptop, it's not built by any (sane) distro,
so it is time to say good bye.
Thanks to Julien Lerouge and Karol Kozimor for the work they have
done on it, I would never have wrote asus-laptop and other asus
related drivers without asus_acpi.
Signed-off-by: Corentin Chary <corentin.chary@gmail.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
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Signed-off-by: Corentin Chary <corentincj@iksaif.net>
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
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Signed-off-by: Corentin Chary <corentincj@iksaif.net>
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
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Fix scancodes returned by driver to match scancodes used to remap keys.
(Before the patch FN/E returned scancode 0x1B, but to remap scancode
0x14 had to be used).
The scancodes returned by the sony-laptop driver for function keys did not
match the scancodes used to remap keys. Also, since the scancode was sent
to the input subsystem after the mapped keysym the /lib/udev/keymap
utility was confused about which scancode to report for which keysym.
This patch fixes the driver so the correct scancode is shown for each
key. It also adds to the documentation a description of where to find
the scancodes.
Signed-off-by: John Hughes <john@calva.com>
Acked-by: Dmitry Torokhov <dtor@mail.ru>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging
Pull i2c updates from Jean Delvare.
Fix up trivial conflict in drivers/i2c/busses/i2c-gpio.c due to include
file cleanup clashing with DT support addition (which did the same
cleanup)
* 'i2c-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging:
i2c-algo-bit: Don't resched on clock stretching
i2c: Update the FSF address
i2c: Convert drivers/i2c/muxes/* to use module_i2c_driver()
i2c-i801: Use usleep_range to wait for command completion
i2c-i801: Add device IDs for Intel Lynx Point
i2c-isch: Decrease delay in command completion check loop
i2c-gpio: Use linux/gpio.h rather than asm/gpio.h
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Add the SMBus controller device IDs for the Intel Lynx Point PCH.
Signed-off-by: Seth Heasley <seth.heasley@intel.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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Pull GPIO changes for v3.4 from Grant Likely:
"Primarily gpio device driver changes with some minor side effects
under arch/arm and arch/x86. Also includes a few core changes such as
explicitly supporting (electrical) open source and open drain outputs
and some help for parsing gpio devicetree properties."
Fix up context conflict due to Laxman Dewangan adding sleep control for
the tps65910 driver separately for gpio's and regulators.
* tag 'gpio-for-linus' of git://git.secretlab.ca/git/linux-2.6: (34 commits)
gpio/ep93xx: Remove unused inline function and useless pr_err message
gpio/sodaville: Mark broken due to core irqdomain migration
gpio/omap: fix redundant decoding of gpio offset
gpio/omap: fix incorrect update to context.irqenable1
gpio/omap: fix incorrect context restore logic in omap_gpio_runtime_*
gpio/omap: fix missing dataout context save in _set_gpio_dataout_reg
gpio/omap: fix _set_gpio_irqenable implementation
gpio/omap: fix trigger type to unsigned
gpio/omap: fix wakeup_en register update in _set_gpio_wakeup()
gpio: tegra: tegra_gpio_config shouldn't be __init
gpio/davinci: fix enabling unbanked GPIO IRQs
gpio/davinci: fix oops on unbanked gpio irq request
gpio/omap: Fix section warning for omap_mpuio_alloc_gc()
ARM: tegra: export tegra_gpio_{en,dis}able
gpio/gpio-stmpe: Fix the value returned by _get_value routine
Documentation/gpio.txt: Explain expected pinctrl interaction
GPIO: LPC32xx: Add output reading to GPO P3
GPIO: LPC32xx: Fix missing bit selection mask
gpio/omap: fix wakeups on level-triggered GPIOs
gpio/omap: Fix IRQ handling for SPARSE_IRQ
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Update gpio.txt based on recent discussions regarding interaction with the
pinctrl subsystem.
Previously, gpio_request() was described as explicitly not performing any
required mux setup operations etc.
Now, gpio_request() is explicitly as explicitly performing any required mux
setup operations where possible. In the case it isn't, platform code is
required to have set up any required muxing or other configuration prior to
gpio_request() being called, in order to maintain the same semantics.
This is achieved by gpiolib drivers calling e.g. pinctrl_request_gpio() in
their .request() operation.
Cc: Randy Dunlap <rdunlap@xenotime.net>
Cc: linux-doc@vger.kernel.org
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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Linux 3.3-rc7. Merged into the gpio branch to pick up gpio bugfixes already
in mainline before queueing up move v3.4 patches
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Adapt the GPIO driver to retrieve information from a DT file.
Allocate the irq_base dynamically and rename bank->virtual_irq_start
to bank->irq_base.
Change irq_base type to int instead of u16 to match irq_alloc_descs
output.
Add documentation for GPIO properties specific to OMAP.
Signed-off-by: Benoit Cousson <b-cousson@ti.com>
Cc: Tarun Kanti DebBarma <tarun.kanti@ti.com>
Acked-by: Rob Herring <rob.herring@calxeda.com>
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Adding details of open drain(open collector) and open source
(open emitter) configuration of the gpio so that client can
set the pin as open drain at the time of gpio request.
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Reviwed-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-omap-pm into gpio/next
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Sodaville has GPIO controller behind the PCI bus. To my suprissed it is
not the same as on PXA.
The interrupt & gpio chip can be referenced from the device tree like
from any other driver. Unfortunately the driver which uses the gpio
interrupt has to use irq_of_parse_and_map() instead of
platform_get_irq(). The problem is that the platform device (which is
created from the device tree) is most likely created before the
interrupt chip is registered and therefore irq_of_parse_and_map() fails.
In theory the driver works as module. In reality most of the irq
functions are not exported to modules and it is possible that _this_
module is unloaded while the provided irqs are still in use.
Signed-off-by: Hans J. Koch <hjk@linutronix.de>
[torbenh@linutronix.de: make it work after the irq namespace cleanup,
add some device tree entries.]
Signed-off-by: Torben Hohn <torbenh@linutronix.de>
[bigeasy@linutronix.de: convert to generic irq & gpio chip]
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
[grant.likely@secretlab.ca: depend on x86 to avoid irq_domain breakage]
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6
Pull MFD changes from Samuel Ortiz:
- 4 new drivers: Freescale i.MX on-chip Anatop, Ricoh's RC5T583 and
TI's TPS65090 and TPS65217.
- New variants support (8420, 8520 ab9540), cleanups and bug fixes for
the abx500 and db8500 ST-E chipsets.
- Some minor fixes and update for the wm8994 from Mark.
- The beginning of a long term TWL cleanup effort coming from the TI
folks.
- Various fixes and cleanups for the s5m, TPS659xx, pm860x, and MAX8997
drivers.
Fix up trivial conflicts due to duplicate patches and header file
cleanups (<linux/device.h> removal etc).
* tag 'mfd_3.4-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6: (97 commits)
gpio/twl: Add DT support to gpio-twl4030 driver
gpio/twl: Allocate irq_desc dynamically for SPARSE_IRQ support
mfd: Detach twl6040 from the pmic mfd driver
mfd: Replace twl-* pr_ macros by the dev_ equivalent and do various cleanups
mfd: Micro-optimization on twl4030 IRQ handler
mfd: Make twl4030 SIH SPARSE_IRQ capable
mfd: Move twl-core IRQ allocation into twl[4030|6030]-irq files
mfd: Remove references already defineid in header file from twl-core
mfd: Remove unneeded header from twl-core
mfd: Make twl-core not depend on pdata->irq_base/end
ARM: OMAP2+: board-omap4-*: Do not use anymore TWL6030_IRQ_BASE in board files
mfd: Return twl6030_mmc_card_detect IRQ for board setup
Revert "mfd: Add platform data for MAX8997 haptic driver"
mfd: Add support for TPS65090
mfd: Add some da9052-i2c section annotations
mfd: Build rtc5t583 only if I2C config is selected to y.
mfd: Add anatop mfd driver
mfd: Fix compilation error in tps65910.h
mfd: Add 8420 variant to db8500-prcmu
mfd: Add 8520 PRCMU variant to db8500-prcmu
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Add the DT support for the I2C GPIO expander inside the twl4030.
Note: The pdata parameters still have to be properly adapted using
dedicated bindings.
Signed-off-by: Benoit Cousson <b-cousson@ti.com>
Acked-by: Felipe Balbi <balbi@ti.com>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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Pull watchdog updates from Wim Van Sebroeck:
- Removal of the Documentation/watchdog/00-INDEX file
- Fix boot status reporting for imx2_wdt
- clean-up sp805_wdt, pnx4008_wdt and mpcore_wdt
- convert printk in watchdog drivers to pr_ functions
- change nowayout module parameter to bool for every watchdog device
- conversion of jz4740_wdt, pnx4008_wdt, max63xx_wdt, softdog,
ep93xx_wdt, coh901327 and txx9wdt to new watchdog API
- Add support for the WDIOC_GETTIMELEFT ioctl call to the new watchdog
API
- Change the new watchdog API so that the driver updates the timeout
value
- two fixes for the xen_wdt driver
Fix up conflicts in ep93xx driver due to the same patches being merged
through separate branches.
* git://www.linux-watchdog.org/linux-watchdog: (33 commits)
watchdog: txx9wdt: fix timeout
watchdog: Convert txx9wdt driver to watchdog framework
watchdog: coh901327_wdt.c: fix timeout
watchdog: coh901327: convert to use watchdog core
watchdog: Add support for WDIOC_GETTIMELEFT IOCTL in watchdog core
watchdog: ep93xx_wdt: timeout is an unsigned int value.
watchdog: ep93xx_wdt: Fix timeout after conversion to watchdog core
watchdog: Convert ep93xx driver to watchdog core
watchdog: sp805: Use devm routines
watchdog: sp805: replace readl/writel with lighter _relaxed variants
watchdog: sp805: Fix documentation style comment
watchdog: mpcore_wdt: Allow platform_get_irq() to fail
watchdog: mpcore_wdt: Use devm routines
watchdog: mpcore_wdt: Rename dev to pdev for pointing to struct platform_device
watchdog: xen: don't clear is_active when xen_wdt_stop() failed
watchdog: xen: don't unconditionally enable the watchdog during resume
watchdog: fix compiler error for missing parenthesis
watchdog: ep93xx_wdt.c: fix platform probe
watchdog: ep93xx: Convert the watchdog driver into a platform device.
watchdog: fix set_timeout operations
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This patch adds support for WDIOC_GETTIMELEFT IOCTL in watchdog core. So, there
is another function pointer added to struct watchdog_ops, which can be passed by
drivers to support this IOCTL.
Related documentation is updated too.
Signed-off-by: Viresh Kumar <viresh.kumar@st.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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set_timeout success
When a set_timeout operation succeeds this does not necessarily mean that
the exact timeout requested has been achieved, because the watchdog does not
necessarily have a 1 second resolution. So rather then have the core set
the timeout member of the watchdog_device struct to the exact requested
value, instead the driver should set it to the actually achieved timeout value.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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The 00-index file in the watchdog directory is, like many others,
outdated (conversion-howto is missing) and doesn't contain worthwhile
additional information. As it seems to be a maintenance burden without
much gain, simply remove it.
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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git://git.kernel.org/pub/scm/linux/kernel/git/agk/linux-dm
Pull device-mapper changes for 3.4 from Alasdair Kergon:
- Update thin provisioning to support read-only external snapshot
origins and discards.
- A new target, dm verity, for device content validation.
- Mark dm uevent and dm raid as no-longer-experimental.
- Miscellaneous other fixes and clean-ups.
* tag 'dm-3.4-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/agk/linux-dm: (27 commits)
dm: add verity target
dm bufio: prefetch
dm thin: add pool target flags to control discard
dm thin: support discards
dm thin: prepare to support discard
dm thin: use dm_target_offset
dm thin: support read only external snapshot origins
dm thin: relax hard limit on the maximum size of a metadata device
dm persistent data: remove space map ref_count entries if redundant
dm thin: commit outstanding data every second
dm: reject trailing characters in sccanf input
dm raid: handle failed devices during start up
dm thin metadata: pass correct space map to dm_sm_root_size
dm persistent data: remove redundant value_size arg from value_ptr
dm mpath: detect invalid map_context
dm: clear bi_end_io on remapping failure
dm table: simplify call to free_devices
dm thin: correct comments
dm raid: no longer experimental
dm uevent: no longer experimental
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This device-mapper target creates a read-only device that transparently
validates the data on one underlying device against a pre-generated tree
of cryptographic checksums stored on a second device.
Two checksum device formats are supported: version 0 which is already
shipping in Chromium OS and version 1 which incorporates some
improvements.
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mandeep Singh Baines <msb@chromium.org>
Signed-off-by: Will Drewry <wad@chromium.org>
Signed-off-by: Elly Jones <ellyjones@chromium.org>
Cc: Milan Broz <mbroz@redhat.com>
Cc: Olof Johansson <olofj@chromium.org>
Cc: Steffen Klassert <steffen.klassert@secunet.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
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Add dm thin target arguments to control discard support.
ignore_discard: Disables discard support
no_discard_passdown: Don't pass discards down to the underlying data
device, but just remove the mapping within the thin provisioning target.
Signed-off-by: Joe Thornber <ejt@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
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