Highlights include:
- Fix an_rpc pipefs regression that causes a deadlock on mount
- Readdir optimisations by Scott Mayhew and Jeff Layton
- clean up the rpc_pipefs dentry operation setup
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Merge tag 'nfs-for-3.11-2' of git://git.linux-nfs.org/projects/trondmy/linux-nfs
Pull second set of NFS client updates from Trond Myklebust:
"This mainly contains some small readdir optimisations that had
dependencies on Al Viro's readdir rewrite. There is also a fix for a
nasty deadlock which surfaced earlier in this merge window.
Highlights include:
- Fix an_rpc pipefs regression that causes a deadlock on mount
- Readdir optimisations by Scott Mayhew and Jeff Layton
- clean up the rpc_pipefs dentry operation setup"
* tag 'nfs-for-3.11-2' of git://git.linux-nfs.org/projects/trondmy/linux-nfs:
SUNRPC: Fix a deadlock in rpc_client_register()
rpc_pipe: rpc_dir_inode_operations can be static
NFS: Allow nfs_updatepage to extend a write under additional circumstances
NFS: Make nfs_readdir revalidate less often
NFS: Make nfs_attribute_cache_expired() non-static
rpc_pipe: set dentry operations at d_alloc time
nfs: set verifier on existing dentries in nfs_prime_dcache
Several of these patches were rebased in order to correct style issues.
Only stylistic changes were made versus the patches which were in linux-next
for two weeks. The rebases have been in linux-next for 3 days and have
passed my regressions.
The bulk of these are RDMA fixes and improvements. There's also some
additions on the extended attributes front to support some additional
namespaces and a new option for TCP to force allocation of mount requests
from a priviledged port.
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Merge tag 'for-linus-3.11-merge-window-part-2' of git://git.kernel.org/pub/scm/linux/kernel/git/ericvh/v9fs
Pull second round of 9p patches from Eric Van Hensbergen:
"Several of these patches were rebased in order to correct style
issues. Only stylistic changes were made versus the patches which
were in linux-next for two weeks. The rebases have been in linux-next
for 3 days and have passed my regressions.
The bulk of these are RDMA fixes and improvements. There's also some
additions on the extended attributes front to support some additional
namespaces and a new option for TCP to force allocation of mount
requests from a priviledged port"
* tag 'for-linus-3.11-merge-window-part-2' of git://git.kernel.org/pub/scm/linux/kernel/git/ericvh/v9fs:
fs/9p: Remove the unused variable "err" in v9fs_vfs_getattr()
9P: Add cancelled() to the transport functions.
9P/RDMA: count posted buffers without a pending request
9P/RDMA: Improve error handling in rdma_request
9P/RDMA: Do not free req->rc in error handling in rdma_request()
9P/RDMA: Use a semaphore to protect the RQ
9P/RDMA: Protect against duplicate replies
9P/RDMA: increase P9_RDMA_MAXSIZE to 1MB
9pnet: refactor struct p9_fcall alloc code
9P/RDMA: rdma_request() needs not allocate req->rc
9P: Fix fcall allocation for rdma
fs/9p: xattr: add trusted and security namespaces
net/9p: add privport option to 9p tcp transport
- Remove redundant code by merging some encrypt and decrypt functions
- Get rid of a helper page allocation during page decryption by using in-place
decryption
- Better use of entire pages during page crypto operations
- Several code cleanups
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Merge tag 'ecryptfs-3.11-rc1-cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/tyhicks/ecryptfs
Pull eCryptfs updates from Tyler Hicks:
"Code cleanups and improved buffer handling during page crypto
operations:
- Remove redundant code by merging some encrypt and decrypt functions
- Get rid of a helper page allocation during page decryption by using
in-place decryption
- Better use of entire pages during page crypto operations
- Several code cleanups"
* tag 'ecryptfs-3.11-rc1-cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/tyhicks/ecryptfs:
Use ecryptfs_dentry_to_lower_path in a couple of places
eCryptfs: Make extent and scatterlist crypt function parameters similar
eCryptfs: Collapse crypt_page_offset() into crypt_extent()
eCryptfs: Merge ecryptfs_encrypt_extent() and ecryptfs_decrypt_extent()
eCryptfs: Combine page_offset crypto functions
eCryptfs: Combine encrypt_scatterlist() and decrypt_scatterlist()
eCryptfs: Decrypt pages in-place
eCryptfs: Accept one offset parameter in page offset crypto functions
eCryptfs: Simplify lower file offset calculation
eCryptfs: Read/write entire page during page IO
eCryptfs: Use entire helper page during page crypto operations
eCryptfs: Cocci spatch "memdup.spatch"
Pull nfsd changes from Bruce Fields:
"Changes this time include:
- 4.1 enabled on the server by default: the last 4.1-specific issues
I know of are fixed, so we're not going to find the rest of the
bugs without more exposure.
- Experimental support for NFSv4.2 MAC Labeling (to allow running
selinux over NFS), from Dave Quigley.
- Fixes for some delicate cache/upcall races that could cause rare
server hangs; thanks to Neil Brown and Bodo Stroesser for extreme
debugging persistence.
- Fixes for some bugs found at the recent NFS bakeathon, mostly v4
and v4.1-specific, but also a generic bug handling fragmented rpc
calls"
* 'for-3.11' of git://linux-nfs.org/~bfields/linux: (31 commits)
nfsd4: support minorversion 1 by default
nfsd4: allow destroy_session over destroyed session
svcrpc: fix failures to handle -1 uid's
sunrpc: Don't schedule an upcall on a replaced cache entry.
net/sunrpc: xpt_auth_cache should be ignored when expired.
sunrpc/cache: ensure items removed from cache do not have pending upcalls.
sunrpc/cache: use cache_fresh_unlocked consistently and correctly.
sunrpc/cache: remove races with queuing an upcall.
nfsd4: return delegation immediately if lease fails
nfsd4: do not throw away 4.1 lock state on last unlock
nfsd4: delegation-based open reclaims should bypass permissions
svcrpc: don't error out on small tcp fragment
svcrpc: fix handling of too-short rpc's
nfsd4: minor read_buf cleanup
nfsd4: fix decoding of compounds across page boundaries
nfsd4: clean up nfs4_open_delegation
NFSD: Don't give out read delegations on creates
nfsd4: allow client to send no cb_sec flavors
nfsd4: fail attempts to request gss on the backchannel
nfsd4: implement minimal SP4_MACH_CRED
...
were added to 3.10, which includes several bug fixes that have been
marked for stable.
As for new features, there were a few, but nothing to write to LWN about.
These include:
New function trigger called "dump" and "cpudump" that will cause
ftrace to dump its buffer to the console when the function is called.
The difference between "dump" and "cpudump" is that "dump" will dump
the entire contents of the ftrace buffer, where as "cpudump" will only
dump the contents of the ftrace buffer for the CPU that called the function.
Another small enhancement is a new sysctl switch called "traceoff_on_warning"
which, when enabled, will disable tracing if any WARN_ON() is triggered.
This is useful if you want to debug what caused a warning and do not
want to risk losing your trace data by the ring buffer overwriting the
data before you can disable it. There's also a kernel command line
option that will make this enabled at boot up called the same thing.
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Merge tag 'trace-3.11' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
Pull tracing changes from Steven Rostedt:
"The majority of the changes here are cleanups for the large changes
that were added to 3.10, which includes several bug fixes that have
been marked for stable.
As for new features, there were a few, but nothing to write to LWN
about. These include:
New function trigger called "dump" and "cpudump" that will cause
ftrace to dump its buffer to the console when the function is called.
The difference between "dump" and "cpudump" is that "dump" will dump
the entire contents of the ftrace buffer, where as "cpudump" will only
dump the contents of the ftrace buffer for the CPU that called the
function.
Another small enhancement is a new sysctl switch called
"traceoff_on_warning" which, when enabled, will disable tracing if any
WARN_ON() is triggered. This is useful if you want to debug what
caused a warning and do not want to risk losing your trace data by the
ring buffer overwriting the data before you can disable it. There's
also a kernel command line option that will make this enabled at boot
up called the same thing"
* tag 'trace-3.11' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace: (34 commits)
tracing: Make tracing_open_generic_{tr,tc}() static
tracing: Remove ftrace() function
tracing: Remove TRACE_EVENT_TYPE enum definition
tracing: Make tracer_tracing_{off,on,is_on}() static
tracing: Fix irqs-off tag display in syscall tracing
uprobes: Fix return value in error handling path
tracing: Fix race between deleting buffer and setting events
tracing: Add trace_array_get/put() to event handling
tracing: Get trace_array ref counts when accessing trace files
tracing: Add trace_array_get/put() to handle instance refs better
tracing: Protect ftrace_trace_arrays list in trace_events.c
tracing: Make trace_marker use the correct per-instance buffer
ftrace: Do not run selftest if command line parameter is set
tracing/kprobes: Don't pass addr=ip to perf_trace_buf_submit()
tracing: Use flag buffer_disabled for irqsoff tracer
tracing/kprobes: Turn trace_probe->files into list_head
tracing: Fix disabling of soft disable
tracing: Add missing syscall_metadata comment
tracing: Simplify code for showing of soft disabled flag
tracing/kprobes: Kill probe_enable_lock
...
This reverts commit d2aae8477c.
It is completely and utterly broken. Module install should not build
any files, and adding broken dependencies to "help" it build files is
complete and utter sh*t.
The kernel should not be built by root, and "make install" and "make
module_install" (that for obvious reasons need to be run as root)
absolutely must not build any files. They should only ever copy the
already-built files over.
So having dependencies for the install targets is wrong, wrong, wrong.
If you try to install a kernel without building it first, you *should*
get errors. The build system shouldn't try to help root build the files.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Pull more KVM changes from Gleb Natapov:
"A fix for a bug that prevents some guests from working on old Intel
CPUs and a patch that integrates ARM64 KVM, merged via ARM64 tree,
into Kconfig."
* tag 'kvm-3.11-2' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: VMX: mark unusable segment as nonpresent
arm64: KVM: Kconfig integration
Pull Sparc bugfixes from David Miller:
"Four bug fixes:
1) Enable snoop tags properly on Sparc32/LEON, from Andreas Larsson
2) strcpy() length check fix from Chen Gang.
3) Forgotten unregister_netdev() in sunvnet driver, from Dave
Kleikamp.
4) Fix broken assembler offsets used in vm_area_struct accesses on
sparc32, from Olivier DANET."
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc:
[PATCH] sparc32: vm_area_struct access for old Sun SPARCs.
sunvnet: vnet_port_remove must call unregister_netdev
sparc32, leon: Require separate snoop tags set to regard snooping to be enabled
arch: sparc: kernel: check the memory length before use strcpy().
Pull IDE updates from David Miller:
"Just a few small things:
1) module_platform_driver_probe() conversions from Jingoo Han.
2) module_pci_driver() conversion from Libo Chen.
3) PIO size calculation fix from Steven J Hill"
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/ide:
ide: Fix IDE PIO size calculation
drivers/ide/delkin_cb: Convert to module_pci_driver
ide: gayle: use module_platform_driver_probe()
ide: tx4939ide: use module_platform_driver_probe()
ide: tx4938ide: use module_platform_driver_probe()
Pull printk locking fix from Thomas Gleixner:
"A single lock ordering fix in the printk code"
* 'core-printk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
printk: Fix rq->lock vs logbuf_lock unlock lock inversion
Merge more patches from Andrew Morton:
"The rest of MM"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
mm: remove free_area_cache
zswap: add documentation
zswap: add to mm/
zbud: add to mm/
Since all architectures have been converted to use vm_unmapped_area(),
there is no remaining use for the free_area_cache.
Signed-off-by: Michel Lespinasse <walken@google.com>
Acked-by: Rik van Riel <riel@redhat.com>
Cc: "James E.J. Bottomley" <jejb@parisc-linux.org>
Cc: "Luck, Tony" <tony.luck@intel.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: David Howells <dhowells@redhat.com>
Cc: Helge Deller <deller@gmx.de>
Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Cc: Matt Turner <mattst88@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Richard Henderson <rth@twiddle.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
zswap is a thin backend for frontswap that takes pages that are in the
process of being swapped out and attempts to compress them and store
them in a RAM-based memory pool. This can result in a significant I/O
reduction on the swap device and, in the case where decompressing from
RAM is faster than reading from the swap device, can also improve
workload performance.
It also has support for evicting swap pages that are currently
compressed in zswap to the swap device on an LRU(ish) basis. This
functionality makes zswap a true cache in that, once the cache is full,
the oldest pages can be moved out of zswap to the swap device so newer
pages can be compressed and stored in zswap.
This patch adds the zswap driver to mm/
Signed-off-by: Seth Jennings <sjenning@linux.vnet.ibm.com>
Acked-by: Rik van Riel <riel@redhat.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Nitin Gupta <ngupta@vflare.org>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: Dan Magenheimer <dan.magenheimer@oracle.com>
Cc: Robert Jennings <rcj@linux.vnet.ibm.com>
Cc: Jenifer Hopper <jhopper@us.ibm.com>
Cc: Mel Gorman <mgorman@suse.de>
Cc: Johannes Weiner <jweiner@redhat.com>
Cc: Larry Woodman <lwoodman@redhat.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Dave Hansen <dave@sr71.net>
Cc: Joe Perches <joe@perches.com>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Cody P Schafer <cody@linux.vnet.ibm.com>
Cc: Hugh Dickens <hughd@google.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
zbud is an special purpose allocator for storing compressed pages. It
is designed to store up to two compressed pages per physical page.
While this design limits storage density, it has simple and
deterministic reclaim properties that make it preferable to a higher
density approach when reclaim will be used.
zbud works by storing compressed pages, or "zpages", together in pairs
in a single memory page called a "zbud page". The first buddy is "left
justifed" at the beginning of the zbud page, and the last buddy is
"right justified" at the end of the zbud page. The benefit is that if
either buddy is freed, the freed buddy space, coalesced with whatever
slack space that existed between the buddies, results in the largest
possible free region within the zbud page.
zbud also provides an attractive lower bound on density. The ratio of
zpages to zbud pages can not be less than 1. This ensures that zbud can
never "do harm" by using more pages to store zpages than the
uncompressed zpages would have used on their own.
This implementation is a rewrite of the zbud allocator internally used
by zcache in the driver/staging tree. The rewrite was necessary to
remove some of the zcache specific elements that were ingrained
throughout and provide a generic allocation interface that can later be
used by zsmalloc and others.
This patch adds zbud to mm/ for later use by zswap.
Signed-off-by: Seth Jennings <sjenning@linux.vnet.ibm.com>
Acked-by: Rik van Riel <riel@redhat.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Nitin Gupta <ngupta@vflare.org>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: Dan Magenheimer <dan.magenheimer@oracle.com>
Cc: Robert Jennings <rcj@linux.vnet.ibm.com>
Cc: Jenifer Hopper <jhopper@us.ibm.com>
Cc: Mel Gorman <mgorman@suse.de>
Cc: Johannes Weiner <jweiner@redhat.com>
Cc: Larry Woodman <lwoodman@redhat.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Dave Hansen <dave@sr71.net>
Cc: Joe Perches <joe@perches.com>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Cody P Schafer <cody@linux.vnet.ibm.com>
Cc: Hugh Dickens <hughd@google.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Bob Liu <bob.liu@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Pull coccinelle updates from Michal Marek:
"The misc branch is reserved for Coccinelle this time:
- 'report' is the default mode
- MAINTAINERS update for Coccinelle
- documentation udate
- use new option format for spatch(1)
- J=<n> variable to mimic make -j for coccicheck
- check for missing pci_free_consistent() calls
There are some patches for rpm-pkg and deb-pkg waiting for the
3.12-rc1 merge window"
* 'misc' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild:
Coccinelle: Update information about the minimal version required
Coccinelle: Update the options used to the new option scheme
scripts: Coccinelle script for pci_free_consistent()
Coccinelle: Update the documentation
Coccinelle: Update section of MAINTAINERS
coccicheck: span checks across CPUs
scripts/coccinelle: check for field address argument to kfree
Coccinelle: Update the Coccinelle section of MAINTAINERS
Coccinelle: Make 'report' the default mode
Pull kconfig updates from Michal Marek:
- dependency solver fix for make defconfig
- randconfig fixes, one of which had to be reverted again
- more user-friendly sorting of search results
- hex and range keywords support longs
- fix for [mn]conf not to rely on particular behavior of the LINES and
COLS variables
- cleanup of magic constants in kconfig/lxdialog
- [mn]conf formatting fixes
- fix for scripts/config's help text in out-of-tree usage (under a
different name)
* 'kconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild:
kconfig: allow "hex" and "range" to support longs
Revert "kconfig: fix randomising choice entries in presence of KCONFIG_ALLCONFIG"
kconfig: fix randomising choice entries in presence of KCONFIG_ALLCONFIG
kconfig: loop as long as we changed some symbols in randconfig
kconfig/[mn]conf: make it explicit in the search box that a regexp is possible
kconfig: sort found symbols by relevance
kconfig/conf: print the seed used to initialise the RNG for randconfig
kconfig/conf: accept a base-16 seed for randconfig
kconfig/conf: fix randconfig setting multiple symbols in a choice
scripts/config: replace hard-coded script name by a dynamic value
mconf/nconf: mark empty menus/menuconfigs different from non-empty ones
nconf: use function calls instead of ncurses' variables LINES and COLS
mconf: use function calls instead of ncurses' variables LINES and COLS
kconfig/lxdialog: handle newline characters in print_autowrap()
kconfig/lxdialog: Use new mininimum resize definitions in conf_choice()
kconfig/lxdialog: Add definitions for mininimum (re)size values
kconfig: Fix defconfig when one choice menu selects options that another choice menu depends on
Pull kbuild updates from Michal Marek:
- fix for make headers_install argv explosion with too long path
- scripts/setlocalversion does not call git update-index needlessly
- fix for the src.rpm produced by make rpm-pkg. The new make
image_name can be useful also for other packaging tools.
- scripts/mod/devicetable-offsets.o is not rebuilt during each make run
- make modules_install dependency fix
- scripts/sortextable portability fix
- fix for kbuild to generate the output directory for all object files
in subdirs.
- a couple of minor fixes
* 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild:
kbuild: create directory for dir/file.o
tools/include: use stdint types for user-space byteshift headers
Makefile: Fix install error with make -j option
Fix a build warning in scripts/mod/file2alias.c
improve modalias building
scripts/mod: Spelling s/DEVICEVTABLE/DEVICETABLE/
kbuild: fix error when building from src rpm
scripts/setlocalversion on write-protected source tree
Makefile.lib: align DTB quiet_cmd
kbuild: fix make headers_install when path is too long
Pull perf fixes from Ingo Molnar:
"Two small fixlets"
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf: Fix interrupt handler timing harness
perf/x86/amd: Do not print an error when the device is not present
ignore that.
Cheers,
Rusty.
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Merge tag 'modules-next-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux
Pull module updates from Rusty Russell:
"Nothing interesting. Except the most embarrassing bugfix ever. But
let's ignore that"
* tag 'modules-next-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux:
module: cleanup call chain.
module: do percpu allocation after uniqueness check. No, really!
modules: don't fail to load on unknown parameters.
ABI: Clarify when /sys/module/MODULENAME is created
There is no /sys/parameters
module: don't modify argument of module_kallsyms_lookup_name()
Largely hugepage support for vfio/type1 iommu and surrounding cleanups and fixes.
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Merge tag 'vfio-v3.11' of git://github.com/awilliam/linux-vfio
Pull vfio updates from Alex Williamson:
"Largely hugepage support for vfio/type1 iommu and surrounding cleanups
and fixes"
* tag 'vfio-v3.11' of git://github.com/awilliam/linux-vfio:
vfio/type1: Fix leak on error path
vfio: Limit group opens
vfio/type1: Fix missed frees and zero sized removes
vfio: fix documentation
vfio: Provide module option to disable vfio_iommu_type1 hugepage support
vfio: hugepage support for vfio_iommu_type1
vfio: Convert type1 iommu to use rbtree
This includes some fixes and cleanups for vhost net and scsi drivers.
The scsi driver changes will cause a conflict with Nicholas Bellinger's scsi
target changes, but the conflicting commit in my tree simply renames some
variables so it's trivial to resolve.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
Pull vhost fixes and cleanups from Michael S Tsirkin:
"This includes some fixes and cleanups for vhost net and scsi drivers"
* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost:
vhost/test: update test after vhost cleanups
vhost: Make local function static
vhost: Make vhost a separate module
vhost-scsi: Rename struct tcm_vhost_cmd *tv_cmd to *cmd
vhost-scsi: Rename struct tcm_vhost_tpg *tv_tpg to *tpg
vhost-scsi: Make func indention more consistent
vhost-scsi: Rename struct vhost_scsi *s to *vs
vhost-scsi: Remove unnecessary forward struct vhost_scsi declaration
vhost: Simplify dev->vqs[i] access
vhost-net: fix use-after-free in vhost_net_flush
A few updates this time, most important and exiciting (to me) is:
* The new ARM SMMU driver. This is a common IOMMU driver that will
hopefully be used in a lot of upcoming ARM chips. So the mess in the
past where every SOC had its own IOMMU will be over.
Besides that:
* Some important fixes in the IOMMU unmap path. There are fixes in the
common code and also in the AMD IOMMU driver.
* Other random fixes
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Merge tag 'iommu-updates-v3.11' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
Pull IOMMU updates from Joerg Roedel:
"A few updates this time, most important and exiciting (to me) is:
- The new ARM SMMU driver. This is a common IOMMU driver that will
hopefully be used in a lot of upcoming ARM chips. So the mess in
the past where every SOC had its own IOMMU will be over.
Besides that:
- Some important fixes in the IOMMU unmap path. There are fixes in
the common code and also in the AMD IOMMU driver.
- Other random fixes"
* tag 'iommu-updates-v3.11' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu:
MAINTAINERS: add entry for ARM system MMU driver
iommu/arm: Add support for ARM Ltd. System MMU architecture
documentation/iommu: Add description of ARM System MMU binding
iommu: Use %pa and %zx instead of casting
iommu/amd: Only unmap large pages from the first pte
iommu: Fix compiler warning on pr_debug
iommu/amd: Fix memory leak in free_pagetable
iommu: Split iommu_unmaps
iommu/{vt-d,amd}: Remove multifunction assumption around grouping
iommu/omap: fix checkpatch warnings in omap iommu code
iommu/omap: fix printk formats for dma_addr_t
iommu/vt-d: DMAR reporting table needs at least one DRHD
iommu/vt-d: Downgrade the warning if enabling irq remapping fails
Use "const char *" instead of "char *" in order to avoid this warning:
drivers/gpu/drm/drm_edid_load.c: In function ‘drm_load_edid_firmware’:
drivers/gpu/drm/drm_edid_load.c:245:25: warning: initialization discards ‘const’ qualifier from pointer target type [enabled by default]
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Commit e4c6bfd2d7 ("mm: rearrange
vm_area_struct for fewer cache misses") changed the layout of the
vm_area_struct structure, it broke several SPARC32 assembly routines
which used numerical constants for accessing the vm_mm field.
This patch defines the VMA_VM_MM constant to replace the immediate values.
Signed-off-by: Olivier DANET <odanet@caramail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The missing call to unregister_netdev() leaves the interface active
after the driver is unloaded by rmmod.
Signed-off-by: Dave Kleikamp <dave.kleikamp@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Even if data snooping is enabled, without separate snoop tags snooping will not
work when the MMU is enabled.
Signed-off-by: Andreas Larsson <andreas@gaisler.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
For the related next strcpy(), the destination length is less than 512,
but the source maximize length may be 'OPROMMAXPARAM' (4096) which is
more than 512.
One work flow may:
openprom_sunos_ioctl() -> if (cmd == OPROMSETOPT)
getstrings() -> will alloc buffer with size 'OPROMMAXPARAM'.
opromsetopt() -> devide the buffer into 'var' and 'value'
of_set_property() -> pass
prom_setprop() -> pass
ldom_set_var()
And do not mind the additional 4 alignment buffer increasing, since
'sizeof(pkt) - sizeof(pkt.header)' is 4 alignment at least.
Signed-off-by: Chen Gang <gang.chen@asianux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Commit 384816051c (SUNRPC: fix races on
PipeFS MOUNT notifications) introduces a regression when we call
rpc_setup_pipedir() with RPCSEC_GSS as the auth flavour.
By calling rpcauth_create() while holding the sn->pipefs_sb_lock, we
end up deadlocking in gss_pipes_dentries_create_net().
Fix is to register the client and release the mutex before calling
rpcauth_create().
Reported-by: Weston Andros Adamson <dros@netapp.com>
Tested-by: Weston Andros Adamson <dros@netapp.com>
Cc: Stanislav Kinsbursky <skinsbursky@parallels.com>
Cc: <stable@vger.kernel.org> # : 3848160: SUNRPC: fix races on PipeFS MOUNT
Cc: <stable@vger.kernel.org> # : e73f4cc: SUNRPC: split client creation
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
IDE PIO calculates the size wrong when passing the parameter
"ide-core.nodma=0.0" to the kernel.
Signed-off-by: Leonid Yegoshin <Leonid.Yegoshin@imgtec.com>
Acked-by: Steven J. Hill <Steven.Hill@imgtec.com>
Signed-off-by: Steven J. Hill <sjhill@mips.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
use module_pci_driver instead of init/exit, make code clean.
Signed-off-by: Libo Chen <libo.chen@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Core:
- Add support for eMMC 5.1 devices.
- Add MMC_CAP_AGGRESSIVE_PM capability for aggressive power management
of eMMC/SD between requests, using runtime PM.
- Add an ioctl to perform the eMMC 4.5 Sanitize command; sample code at:
git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc-utils.git
Drivers:
- dw_mmc: Add support for Rockchip's Cortex-A9 SoCs.
- dw_mmc: Add support for Altera SoCFPGAs.
- sdhci-esdhc-imx: Add support for 8-bit bus width, non-removable cards.
- sdhci-bcm-kona: New driver for Broadcom Kona (281xx) SoCs.
- sdhi/tmio: Add DT DMA support.
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Merge tag 'mmc-updates-for-3.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc
Pull MMC updates from Chris Ball:
"MMC highlights for 3.11:
Core:
- Add support for eMMC 5.1 devices
- Add MMC_CAP_AGGRESSIVE_PM capability for aggressive power
management of eMMC/SD between requests, using runtime PM
- Add an ioctl to perform the eMMC 4.5 Sanitize command. Sample code
at:
git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc-utils.git
Drivers:
- dw_mmc: Add support for Rockchip's Cortex-A9 SoCs
- dw_mmc: Add support for Altera SoCFPGAs
- sdhci-esdhc-imx: Add support for 8-bit bus width, non-removable
cards
- sdhci-bcm-kona: New driver for Broadcom Kona (281xx) SoCs
- sdhi/tmio: Add DT DMA support"
* tag 'mmc-updates-for-3.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc: (87 commits)
mmc: bcm281xx SDHCI driver
mmc: sdhci: add card_event callback to sdhci
mmc: core: Fixup Oops for SDIO shutdown
mmc: sdhci-pci: add another device id
mmc: esdhc: Fix bug when writing to SDHCI_HOST_CONTROL register
mmc: esdhc: Add support for 8-bit bus width and non-removable card
mmc: core: production year for eMMC 4.41 and later
mmc: omap: remove unnecessary #if 0's
mmc: sdhci: fix ctrl_2 on super-speed selection
mmc: dw_mmc-pltfm: add Rockchip variant
mmc: dw_mmc-pltfm: move probe and remove below dt match table
mmc: dw_mmc-pltfm: remove static from dw_mci_pltfm_remove
mmc: sdhci-acpi: add support for eMMC hardware reset for HID 80860F14
mmc: sdhci-pci: add support for eMMC hardware reset for BYT eMMC.
mmc: dw_mmc: Add support DW SD/MMC driver on SOCFPGA
mmc: sdhci: fix caps2 for HS200
sdhci-pxav3: Fix runtime PM initialization
mmc: core: Add DT-bindings for MMC_CAP2_FULL_PWR_CYCLE
mmc: core: Invent MMC_CAP2_FULL_PWR_CYCLE
mmc: core: Enable power_off_notify for eMMC shutdown sequence
...
A new driver supports driving PWM signals using the TPU unit found on
various Renesas SoCs. Furthermore support is added for the NXP PCA9685
LED controller. Another big chunk is the sysfs interface which has been
in the works for quite some time.
The remaining patches are a random assortment of cleanups and fixes.
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Merge tag 'for-3.11-rc1' of git://gitorious.org/linux-pwm/linux-pwm
Pull pwm changes from Thierry Reding:
"A new driver supports driving PWM signals using the TPU unit found on
various Renesas SoCs. Furthermore support is added for the NXP
PCA9685 LED controller. Another big chunk is the sysfs interface
which has been in the works for quite some time.
The remaining patches are a random assortment of cleanups and fixes"
* tag 'for-3.11-rc1' of git://gitorious.org/linux-pwm/linux-pwm:
pwm: pwm-tiehrpwm: Use clk_enable/disable instead clk_prepare/unprepare.
pwm: pca9685: Fix wrong argument to set MODE1_SLEEP bit
pwm: renesas-tpu: Add MODULE_ALIAS to make module auto loading work
pwm: renesas-tpu: fix return value check in tpu_probe()
pwm: Add Renesas TPU PWM driver
pwm: Add sysfs interface
pwm: Fill in missing .owner fields
pwm: add pca9685 driver
pwm: atmel-tcb: prepare clk before calling enable
pwm: devm: alloc correct pointer size
pwm: mxs: Let device core handle pinctrl
MAINTAINERS: Update PWM subsystem entry
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Merge tag 'for-v3.11' of git://git.infradead.org/battery-2.6
Pull battery subsystem update from Anton Vorontsov:
"Nothing exciting this time, just assorted fixes and cleanups"
* tag 'for-v3.11' of git://git.infradead.org/battery-2.6: (25 commits)
charger-manager: Fix regulator_get() return check
charger-manager: Fix a bug when it unregisters notifier block of extcon
tps65090-charger: Add dt node to power_supply
sbs-battery: Add dt to power_supply struct
power_supply: Add of_node_put to fix refcount
power_supply: Move of_node out of the #ifdef CONFIG_OF
power/reset: Make the vexpress driver optional on arm and arm64
charger-manager: Add missing newlines, fix a couple of typos, add pr_fmt
tps65090-charger: Fix AC detect
MAINTAINERS: Update email address for Anton Vorontsov
charger-manager: Ensure event is not used as format string
power_supply: Replace strict_strtoul() with kstrtoul()
generic-adc-battery: Fix checking if none of the channels are supported
power: Use platform_{get,set}_drvdata()
pm2301_charger: Return error if create_singlethread_workqueue fails
pm2301_charger: Fix NULL pointer dereference
lp8727_charger: Support the device tree feature
twl4030_charger: Remove unnecessary platform_set_drvdata()
rx51_battery: Remove unnecessary platform_set_drvdata()
jz4740-battery: Remove unnecessary platform_set_drvdata()
...
But we also have:
- Support for the TPS659038 PMIC from the palmas driver.
- Intel's Coleto Creek and Avoton SoCs support from the lpc_ich driver.
- RTL8411B support from the rtsx driver.
- More DT support for the Arizona, max8998, twl4030-power and the
ti_am335x_tsadc drivers.
- The SSBI driver move under MFD.
- A conversion to the devm_* API for most of the MFD drivers.
- The twl4030-power got split from twl-core into its own module.
- A major ti_am335x_adc cleanup, leading to a proper DT support.
- Our regular arizona and wm* updates and cleanups from the Wolfson
folks.
- A better error handling and initialization, and a regulator subdevice
addition for the 88pm80x driver.
- A bulk platform_set_drvdata() call removal that's no longer need since
commit 0998d063.
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Merge tag 'mfd-3.11-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-next
Pull MFD update from Samuel Ortiz:
"For the 3.11 merge we only have one new MFD driver for the Kontron
PLD.
But we also have:
- Support for the TPS659038 PMIC from the palmas driver.
- Intel's Coleto Creek and Avoton SoCs support from the lpc_ich
driver.
- RTL8411B support from the rtsx driver.
- More DT support for the Arizona, max8998, twl4030-power and the
ti_am335x_tsadc drivers.
- The SSBI driver move under MFD.
- A conversion to the devm_* API for most of the MFD drivers.
- The twl4030-power got split from twl-core into its own module.
- A major ti_am335x_adc cleanup, leading to a proper DT support.
- Our regular arizona and wm* updates and cleanups from the Wolfson
folks.
- A better error handling and initialization, and a regulator
subdevice addition for the 88pm80x driver.
- A bulk platform_set_drvdata() call removal that's no longer need
since commit 0998d06310 ("device-core: Ensure drvdata = NULL when
no driver is bound")
* tag 'mfd-3.11-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-next: (102 commits)
mfd: sec: Provide max_register to regmap
mfd: wm8994: Remove duplicate check for active JACKDET
MAINTAINERS: Add include directory to MFD file patterns
mfd: sec: Remove fields not used since regmap conversion
watchdog: Kontron PLD watchdog timer driver
mfd: max8998: Add support for Device Tree
regulator: max8998: Use arrays for specifying voltages in platform data
mfd: max8998: Add irq domain support
regulator: palmas: Add TPS659038 support
mfd: Kontron PLD mfd driver
mfd: palmas: Add TPS659038 PMIC support
mfd: palmas: Add SMPS10_BOOST feature
mfd: palmas: Check if irq is valid
mfd: lpc_ich: iTCO_wdt patch for Intel Coleto Creek DeviceIDs
mfd: twl-core: Change TWL6025 references to TWL6032
mfd: davinci_voicecodec: Fix build breakage
mfd: vexpress: Make the driver optional for arm and arm64
mfd: htc-egpio: Use devm_ioremap_nocache() instead of ioremap_nocache()
mfd: davinci_voicecodec: Convert to use devm_* APIs
mfd: twl4030-power: Fix relocking on error
...
Pull hwmon update from Jean Delvare.
* 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging:
hwmon: (lm63) Drop redundant safety on cache lifetime
hwmon: (lm90) Drop redundant safety on cache lifetime
A set of small fixes for issues noticed during the merge window, all
very much non-invasive.
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Merge tag 'regulator-v3.11-2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator fixes from Mark Brown:
"Fixes for the merge window
A set of small fixes for issues noticed during the merge window, all
very much non-invasive"
* tag 'regulator-v3.11-2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
MAINTAINERS: Update git repository
regulator: max8997: Fix a trivial typo in documentation
regulator: s5m8767: Fix a trivial typo in documentation
regulator: s2mps11: Convert ramp rate to uV/us and set default ramp rate
regulator: s5m8767: Update s5m8767-regulator bindings document
Make struct ieee1394_device_id.driver_data actually avaliable to
1394 protocol drivers. This is especially useful to 1394 audio drivers
for model-specific parameters and methods.
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Merge tag 'firewire-updates' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394
Pull firewire updates from Stefan Richter:
"Make struct ieee1394_device_id.driver_data actually avaliable to 1394
protocol drivers. This is especially useful to 1394 audio drivers for
model-specific parameters and methods"
* tag 'firewire-updates' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394:
firewire: remove support of fw_driver.driver.probe and .remove methods
firewire: introduce fw_driver.probe and .remove methods
Pull x86 fix from Ingo Molnar:
"irq-tracing fixlet"
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/tracing: Add irq_enter/exit() in smp_trace_reschedule_interrupt()
Pull microblaze update from Michal Simek:
"This Microblaze merge window is quite minimal.
I have also added to my branch one xilinx systemace sparse fix because
haven't got any reply from block maintainer."
* 'next' of git://git.monstr.eu/linux-2.6-microblaze:
xilinx systemace: Fix sparse warnings
microblaze: Move __NR_syscalls from uapi
microblaze: Enable KGDB in defconfig
microblaze: Don't mark arch_kgdb_ops as const.
This is just a single fix to fix bad UDP checksums sometimes being
generated to IP addresses *.*.255.255.
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Merge tag 'metag-fixes-for-v3.11-1' of git://git.kernel.org/pub/scm/linux/kernel/git/jhogan/metag
Pull arch/metag fixes from James Hogan:
"This is just a single fix to fix bad UDP checksums sometimes being
generated to IP addresses *.*.255.255"
* tag 'metag-fixes-for-v3.11-1' of git://git.kernel.org/pub/scm/linux/kernel/git/jhogan/metag:
metag: checksum.h: fix carry in csum_tcpudp_nofold
corresponding drivers (net/ethernet/arc/*, irqctl/irq-tb10x.c) have now
been merged into your tree.
Ideally these shd have been part of same submissions, oh well...
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Merge tag 'arc-v3.11-rc1-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc
Pull second set of ARC architecture updates from Vineet Gupta:
"Couple of Platform updates (Device Tree files primarily) given that
the corresponding drivers (net/ethernet/arc/*, irqctl/irq-tb10x.c)
have now been merged into your tree.
Ideally these shd have been part of same submissions, oh well..."
* tag 'arc-v3.11-rc1-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc:
ARC: [TB10x] Updates for irqchip driver
ARC: [plat-arcfpga] Enable arc_emac for ARCAngle4 Board
Pull parisc updates from Helge Deller:
"The PA-RISC updates for v3.11 include a gcc miscompilation fix,
gzip-compressed vmlinuz support, a fix in the PCI code for ATI FireGL
support on c8000 machines, a fix to prevent that %sr1 is being
clobbered and a few smaller optimizations and documentation updates"
* 'parisc-for-3.11' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux:
parisc: Fix gcc miscompilation in pa_memcpy()
parisc: Ensure volatile space register %sr1 is not clobbered
parisc: optimize mtsp(0,sr) inline assembly
parisc: switch to gzip-compressed vmlinuz kernel
parisc: document the shadow registers
parisc: more capabilities info in /proc/cpuinfo
parisc: fix LMMIO mismatch between PAT length and MASK register
There are two places in ecryptfs that benefit from using
ecryptfs_dentry_to_lower_path() instead of separate calls to
ecryptfs_dentry_to_lower() and ecryptfs_dentry_to_lower_mnt(). Both
sites use fewer instructions and less stack (determined by examining
objdump output).
Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
Signed-off-by: Tyler Hicks <tyhicks@canonical.com>
The reason is that other applications like strace
think that every __NR_xx is syscall.
Also __NR_syscalls is not used by user applications/libs.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
