The NUMA scanning code can end up iterating over many gigabytes of
unpopulated memory, especially in the case of a freshly started KVM
guest with lots of memory.
This results in the mmu notifier code being called even when there are
no mapped pages in a virtual address range. The amount of time wasted
can be enough to trigger soft lockup warnings with very large KVM
guests.
This patch moves the mmu notifier call to the pmd level, which
represents 1GB areas of memory on x86-64. Furthermore, the mmu notifier
code is only called from the address in the PMD where present mappings
are first encountered.
The hugetlbfs code is left alone for now; hugetlb mappings are not
relocatable, and as such are left alone by the NUMA code, and should
never trigger this problem to begin with.
Signed-off-by: Rik van Riel <riel@redhat.com>
Acked-by: David Rientjes <rientjes@google.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Reported-by: Xing Gang <gang.xing@hp.com>
Tested-by: Chegu Vinod <chegu_vinod@hp.com>
Cc: Sasha Levin <sasha.levin@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Sasha reported the following bug using trinity
kernel BUG at mm/mprotect.c:149!
invalid opcode: 0000 [#1] PREEMPT SMP DEBUG_PAGEALLOC
Dumping ftrace buffer:
(ftrace buffer empty)
Modules linked in:
CPU: 20 PID: 26219 Comm: trinity-c216 Tainted: G W 3.14.0-rc5-next-20140305-sasha-00011-ge06f5f3-dirty #105
task: ffff8800b6c80000 ti: ffff880228436000 task.ti: ffff880228436000
RIP: change_protection_range+0x3b3/0x500
Call Trace:
change_protection+0x25/0x30
change_prot_numa+0x1b/0x30
task_numa_work+0x279/0x360
task_work_run+0xae/0xf0
do_notify_resume+0x8e/0xe0
retint_signal+0x4d/0x92
The VM_BUG_ON was added in -mm by the patch "mm,numa: reorganize
change_pmd_range". The race existed without the patch but was just
harder to hit.
The problem is that a transhuge check is made without holding the PTL.
It's possible at the time of the check that a parallel fault clears the
pmd and inserts a new one which then triggers the VM_BUG_ON check. This
patch removes the VM_BUG_ON but fixes the race by rechecking transhuge
under the PTL when marking page tables for NUMA hinting and bailing if a
race occurred. It is not a problem for calls to mprotect() as they hold
mmap_sem for write.
Signed-off-by: Mel Gorman <mgorman@suse.de>
Reported-by: Sasha Levin <sasha.levin@oracle.com>
Reviewed-by: Rik van Riel <riel@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Reorganize the order of ifs in change_pmd_range a little, in preparation
for the next patch.
[akpm@linux-foundation.org: fix indenting, per David]
Signed-off-by: Rik van Riel <riel@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Reported-by: Xing Gang <gang.xing@hp.com>
Tested-by: Chegu Vinod <chegu_vinod@hp.com>
Acked-by: David Rientjes <rientjes@google.com>
Cc: Sasha Levin <sasha.levin@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
- Convert spinlock/static array to va_format (inspired by Joe Perches
help on previous logging patches).
- Convert printk(KERN_ERR to pr_warn in __ntfs_warning.
- Convert printk(KERN_ERR to pr_err in __ntfs_error.
- Convert printk(KERN_DEBUG to pr_debug in __ntfs_debug. (Note that
__ntfs_debug is still guarded by #if DEBUG)
- Improve !DEBUG to parse all arguments (Joe Perches).
- Sparse pr_foo() conversions in super.c
NTFS, NTFS-fs prefixes as well as 'warning' and 'error' were removed :
pr_foo() automatically adds module name and error level is already
specified.
Signed-off-by: Fabian Frederick <fabf@skynet.be>
Cc: Anton Altaparmakov <anton@tuxera.com>
Cc: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Pull cgroup fixes from Tejun Heo:
"Two patches to fix fallouts from the kernfs conversion:
Li's patch to stop leaking cgroup_root refs across multiple mounts and
the other fixes the 90s hang during shutdown caused by always using
root's uid/gid for new cgroup dirs and files."
* 'for-3.15-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup:
cgroup: newly created dirs and files should be owned by the creator
cgroup: fix top cgroup refcnt leak
The purpose of this single series of commits from Srivatsa S Bhat (with
a small piece from Gautham R Shenoy) touching multiple subsystems that use
CPU hotplug notifiers is to provide a way to register them that will not
lead to deadlocks with CPU online/offline operations as described in the
changelog of commit 93ae4f978c (CPU hotplug: Provide lockless versions
of callback registration functions).
The first three commits in the series introduce the API and document it
and the rest simply goes through the users of CPU hotplug notifiers and
converts them to using the new method.
/
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Merge tag 'cpu-hotplug-3.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull CPU hotplug notifiers registration fixes from Rafael Wysocki:
"The purpose of this single series of commits from Srivatsa S Bhat
(with a small piece from Gautham R Shenoy) touching multiple
subsystems that use CPU hotplug notifiers is to provide a way to
register them that will not lead to deadlocks with CPU online/offline
operations as described in the changelog of commit 93ae4f978c ("CPU
hotplug: Provide lockless versions of callback registration
functions").
The first three commits in the series introduce the API and document
it and the rest simply goes through the users of CPU hotplug notifiers
and converts them to using the new method"
* tag 'cpu-hotplug-3.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (52 commits)
net/iucv/iucv.c: Fix CPU hotplug callback registration
net/core/flow.c: Fix CPU hotplug callback registration
mm, zswap: Fix CPU hotplug callback registration
mm, vmstat: Fix CPU hotplug callback registration
profile: Fix CPU hotplug callback registration
trace, ring-buffer: Fix CPU hotplug callback registration
xen, balloon: Fix CPU hotplug callback registration
hwmon, via-cputemp: Fix CPU hotplug callback registration
hwmon, coretemp: Fix CPU hotplug callback registration
thermal, x86-pkg-temp: Fix CPU hotplug callback registration
octeon, watchdog: Fix CPU hotplug callback registration
oprofile, nmi-timer: Fix CPU hotplug callback registration
intel-idle: Fix CPU hotplug callback registration
clocksource, dummy-timer: Fix CPU hotplug callback registration
drivers/base/topology.c: Fix CPU hotplug callback registration
acpi-cpufreq: Fix CPU hotplug callback registration
zsmalloc: Fix CPU hotplug callback registration
scsi, fcoe: Fix CPU hotplug callback registration
scsi, bnx2fc: Fix CPU hotplug callback registration
scsi, bnx2i: Fix CPU hotplug callback registration
...
While converting cgroup to kernfs, 2bd59d48eb ("cgroup: convert to
kernfs") accidentally dropped the logic which makes newly created
cgroup dirs and files owned by the current uid / gid. This broke
cases where cgroup subtree management is delegated to !root as the sub
manager wouldn't be able to create more than single level of hierarchy
or put tasks into child cgroups it created.
Among other things, this breaks user session management in systemd and
one of the symptoms was 90s hang during shutdown. User session
systemd running as the user creates a sub-service to initiate shutdown
and tries to put kill(1) into it but fails because cgroup.procs is
owned by root. This leads to 90s hang during shutdown.
Implement cgroup_kn_set_ugid() which sets a kn's uid and gid to those
of the caller and use it from file and dir creation paths.
Signed-off-by: Tejun Heo <tj@kernel.org>
Reported-by: Linus Torvalds <torvalds@linux-foundation.org>
Converting the driver from the original RTL provided version, by error
converted the code to use four, which caused all sorts of issues. The
confusion was caused by the RTL driver having support for both two and
four paths, and in some places had RF_PATH_MAX = 3. At the same time
it kept the data structures hard coded for two paths, in particular
the ones matching the efuse data.
Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Currently we're checking a variable for != NULL after actually
dereferencing it, in netdev_lower_get_next_private*().
It's counter-intuitive at best, and can lead to faulty usage (as it implies
that the variable can be NULL), so fix it by removing the useless checks.
Reported-by: Daniel Borkmann <dborkman@redhat.com>
CC: "David S. Miller" <davem@davemloft.net>
CC: Eric Dumazet <edumazet@google.com>
CC: Nicolas Dichtel <nicolas.dichtel@6wind.com>
CC: Jiri Pirko <jiri@resnulli.us>
CC: stephen hemminger <stephen@networkplumber.org>
CC: Jerry Chu <hkchu@google.com>
Signed-off-by: Veaceslav Falico <vfalico@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Turns out these drivers like to mess around with the system even if the
hardware they control isn't present. That's not good, and people are
starting to report lots of issues with this in their build/boot testing.
So for now, let's just mark them as BROKEN, until the code gets
converted to use the proper driver model interaction (i.e. don't do
anything until the hardware is actually found in the system.)
Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Reported-by: Sasha Levin <sasha.levin@oracle.com>
Cc: Benjamin Romer <benjamin.romer@unisys.com>
Cc: David Kershner <david.kershner@unisys.com>
Cc: someone <sparmaintainer@unisys.com>
Cc: Ken Cox <jkc@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Similarly as in commit 8e2f1a63f2 ("packet: fix packet_direct_xmit
for BQL enabled drivers"), we test for __QUEUE_STATE_STACK_XOFF bit
in pktgen's xmit, which would not fully fill the device's TX ring for
BQL drivers that use netdev_tx_sent_queue(). Fix is to use, similarly
as we do in packet sockets, netif_xmit_frozen_or_drv_stopped() test.
Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
Cc: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The at91_ether driver calls macb_mii_init passing a 'struct macb'
structure whose tx_clk member is initialized to 0. However,
macb_handle_link_change() expects tx_clk to be the result of
a call to clk_get, and so IS_ERR(tx_clk) to be true if the clock
is invalid. This causes an oops when booting Linux 3.14 on the
csb637 board. The following changes avoids this.
Signed-off-by: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/tipc/socket.c: In function ‘tipc_release’:
net/tipc/socket.c:352: warning: ‘res’ is used uninitialized in this function
Introduced by commit 24be34b5a0 ("tipc:
eliminate upcall function pointers between port and socket"), which
removed the sole initializer of "res".
Just return 0 to fix it.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch fix a copy&paste failure for setting the MAX_CSMA_RETRIES
value of the at86rf212 chip which was introduced by commit
f2fdd67c6b ("ieee802154: enable
smart transmitter features of RF212")
Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Cc: Phoebe Buckheister <phoebe.buckheister@itwm.fraunhofer.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
This is the final piece in the puzzle, as all patches to remove the
last users of \(interruptible_\|\)sleep_on\(_timeout\|\) have made it
into the 3.15 merge window. The work was long overdue, and this
interface in particular should not have survived the BKL removal
that was done a couple of years ago.
Citing Jon Corbet from http://lwn.net/2001/0201/kernel.php3":
"[...] it was suggested that the janitors look for and fix all code
that calls sleep_on() [...] since (1) almost all such code is
incorrect, and (2) Linus has agreed that those functions should
be removed in the 2.5 development series".
We haven't quite made it for 2.5, but maybe we can merge this for 3.15.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Pull Ceph updates from Sage Weil:
"The biggest chunk is a series of patches from Ilya that add support
for new Ceph osd and crush map features, including some new tunables,
primary affinity, and the new encoding that is needed for erasure
coding support. This brings things into parity with the server side
and the looming firefly release. There is also support for allocation
hints in RBD that help limit fragmentation on the server side.
There is also a series of patches from Zheng fixing NFS reexport,
directory fragmentation support, flock vs fnctl behavior, and some
issues with clustered MDS.
Finally, there are some miscellaneous fixes from Yunchuan Wen for
fscache, Fabian Frederick for ACLs, and from me for fsync(dirfd)
behavior"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client: (79 commits)
ceph: skip invalid dentry during dcache readdir
libceph: dump pool {read,write}_tier to debugfs
libceph: output primary affinity values on osdmap updates
ceph: flush cap release queue when trimming session caps
ceph: don't grabs open file reference for aborted request
ceph: drop extra open file reference in ceph_atomic_open()
ceph: preallocate buffer for readdir reply
libceph: enable PRIMARY_AFFINITY feature bit
libceph: redo ceph_calc_pg_primary() in terms of ceph_calc_pg_acting()
libceph: add support for osd primary affinity
libceph: add support for primary_temp mappings
libceph: return primary from ceph_calc_pg_acting()
libceph: switch ceph_calc_pg_acting() to new helpers
libceph: introduce apply_temps() helper
libceph: introduce pg_to_raw_osds() and raw_to_up_osds() helpers
libceph: ceph_can_shift_osds(pool) and pool type defines
libceph: ceph_osd_{exists,is_up,is_down}(osd) definitions
libceph: enable OSDMAP_ENC feature bit
libceph: primary_affinity decode bits
libceph: primary_affinity infrastructure
...
This patch-set includes the following major enhancement patches.
o introduce large directory support
o introduce f2fs_issue_flush to merge redundant flush commands
o merge write IOs as much as possible aligned to the segment
o add sysfs entries to tune the f2fs configuration
o use radix_tree for the free_nid_list to reduce in-memory operations
o remove costly bit operations in f2fs_find_entry
o enhance the readahead flow for CP/NAT/SIT/SSA blocks
The other bug fixes are as follows.
o recover xattr node blocks correctly after sudden-power-cut
o fix to calculate the maximum number of node ids
o enhance to handle many error cases
And, there are a bunch of cleanups.
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Merge tag 'for-f2fs-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs
Pull f2fs updates from Jaegeuk Kim:
"This patch-set includes the following major enhancement patches.
- introduce large directory support
- introduce f2fs_issue_flush to merge redundant flush commands
- merge write IOs as much as possible aligned to the segment
- add sysfs entries to tune the f2fs configuration
- use radix_tree for the free_nid_list to reduce in-memory operations
- remove costly bit operations in f2fs_find_entry
- enhance the readahead flow for CP/NAT/SIT/SSA blocks
The other bug fixes are as follows:
- recover xattr node blocks correctly after sudden-power-cut
- fix to calculate the maximum number of node ids
- enhance to handle many error cases
And, there are a bunch of cleanups"
* tag 'for-f2fs-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs: (62 commits)
f2fs: fix wrong statistics of inline data
f2fs: check the acl's validity before setting
f2fs: introduce f2fs_issue_flush to avoid redundant flush issue
f2fs: fix to cover io->bio with io_rwsem
f2fs: fix error path when fail to read inline data
f2fs: use list_for_each_entry{_safe} for simplyfying code
f2fs: avoid free slab cache under spinlock
f2fs: avoid unneeded lookup when xattr name length is too long
f2fs: avoid unnecessary bio submit when wait page writeback
f2fs: return -EIO when node id is not matched
f2fs: avoid RECLAIM_FS-ON-W warning
f2fs: skip unnecessary node writes during fsync
f2fs: introduce fi->i_sem to protect fi's info
f2fs: change reclaim rate in percentage
f2fs: add missing documentation for dir_level
f2fs: remove unnecessary threshold
f2fs: throttle the memory footprint with a sysfs entry
f2fs: avoid to drop nat entries due to the negative nr_shrink
f2fs: call f2fs_wait_on_page_writeback instead of native function
f2fs: introduce nr_pages_to_write for segment alignment
...
This contains OMAP related fbdev changes for 3.15. The bulk of the patches are
for adding Device Tree support for OMAP Display Subsystem:
* SoCs: OMAP2/3/4
* Boards: OMAP4 Panda, OMAP4 SDP, OMAP3 Beagle, OMAP3 Beagle-xM, OMAP3
IGEP0020, OMAP3 N900
* Devices: TFP410 Encoder, tpd12s015 HDMI companion chip, Sony acx565akm panel,
MIPI DSI Command mode panel and HDMI, DVI and Analog TV connectors
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Merge tag 'fbdev-omap-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux
Pull OMAP fbdev changes from Tomi Valkeinen:
"This is based on the already pulled fbdev-main changes, and this also
merges .dts branch from Tony Lindgren (which has also been pulled), so
that I was able to add the display related .dts changes.
This contains OMAP related fbdev changes for 3.15. The bulk of the
patches are for adding Device Tree support for OMAP Display Subsystem:
- SoCs: OMAP2/3/4
- Boards: OMAP4 Panda, OMAP4 SDP, OMAP3 Beagle, OMAP3 Beagle-xM,
OMAP3 IGEP0020, OMAP3 N900
- Devices: TFP410 Encoder, tpd12s015 HDMI companion chip, Sony
acx565akm panel, MIPI DSI Command mode panel and HDMI, DVI and
Analog TV connectors"
* tag 'fbdev-omap-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux: (45 commits)
OMAPDSS: HDMI: fix interlace output
OMAPDSS: add missing __init for dss_init_ports
ARM: OMAP2+: remove pdata quirks for displays
OMAPDSS: remove DT hacks for regulators
Doc/DT: Add DT binding documentation for tpd12s015 encoder
Doc/DT: Add DT binding documentation for TFP410 encoder
Doc/DT: Add DT binding documentation for Sony acx565akm panel
Doc/DT: Add DT binding documentation for MIPI DSI CM Panel
Doc/DT: Add DT binding documentation for HDMI Connector
Doc/DT: Add DT binding documentation for DVI Connector
Doc/DT: Add DT binding documentation for Analog TV Connector
ARM: omap3-n900.dts: add display information
ARM: omap3-igep0020.dts: add display information
ARM: omap3-beagle-xm.dts: add display information
ARM: omap3-beagle.dts: add display information
ARM: omap4-sdp.dts: add display information
Doc/DT: Add DT binding documentation for OMAP DSS
OMAPDSS: acx565akm: Add DT support
OMAPDSS: connector-analog-tv: Add DT support
OMAPDSS: hdmi-connector: Add DT support
...
The commit e6278d9200 ("mac802154: use header operations to
create/parse headers") included the header
net/ieee802154_netdev.h
which had been included by the commit b70ab2e87f ("ieee802154:
enforce consistent endianness in the 802.15.4 stack"). Fix this
duplicate #include by deleting the latter one as the required header
has already been in place.
Signed-off-by: Jean Sacren <sakiwit@gmail.com>
Cc: Alexander Smirnov <alex.bluesman.smirnov@gmail.com>
Cc: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Cc: Phoebe Buckheister <phoebe.buckheister@itwm.fraunhofer.de>
Cc: linux-zigbee-devel@lists.sourceforge.net
Signed-off-by: David S. Miller <davem@davemloft.net>
The commit 1edb9ca69e ("net: sxgbe: add basic framework for
Samsung 10Gb ethernet driver") added support for Samsung 10Gb
ethernet driver(sxgbe) with a minor issue of including linux/io.h
header twice in sxgbe_dma.c file. Fix the duplicate #include by
deleting the top one so that all the rest good #include headers
would be preserved in the alphabetical order.
Signed-off-by: Jean Sacren <sakiwit@gmail.com>
Cc: Byungho An <bh74.an@samsung.com>
Cc: Girish K S <ks.giri@samsung.com>
Cc: Siva Reddy Kallam <siva.kallam@samsung.com>
Cc: Vipul Pandya <vipul.pandya@samsung.com>
Acked-by: Byungho An <bh74.an@samsung.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
- A few SPI NOR ID definitions
- Kill the NAND "max pagesize" restriction
- Fix some x16 bus-width NAND support
- Add NAND JEDEC parameter page support
- DT bindings for NAND ECC
- GPMI NAND updates (subpage reads)
- More OMAP NAND refactoring
- New STMicro SPI NOR driver (now in 40 patches!)
- A few other random bugfixes
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Merge tag 'for-linus-20140405' of git://git.infradead.org/linux-mtd
Pull MTD updates from Brian Norris:
- A few SPI NOR ID definitions
- Kill the NAND "max pagesize" restriction
- Fix some x16 bus-width NAND support
- Add NAND JEDEC parameter page support
- DT bindings for NAND ECC
- GPMI NAND updates (subpage reads)
- More OMAP NAND refactoring
- New STMicro SPI NOR driver (now in 40 patches!)
- A few other random bugfixes
* tag 'for-linus-20140405' of git://git.infradead.org/linux-mtd: (120 commits)
Fix index regression in nand_read_subpage
mtd: diskonchip: mem resource name is not optional
mtd: nand: fix mention to CONFIG_MTD_NAND_ECC_BCH
mtd: nand: fix GET/SET_FEATURES address on 16-bit devices
mtd: omap2: Use devm_ioremap_resource()
mtd: denali_dt: Use devm_ioremap_resource()
mtd: devices: elm: update DRIVER_NAME as "omap-elm"
mtd: devices: elm: configure parallel channels based on ecc_steps
mtd: devices: elm: clean elm_load_syndrome
mtd: devices: elm: check for hardware engine's design constraints
mtd: st_spi_fsm: Succinctly reorganise .remove()
mtd: st_spi_fsm: Allow loop to run at least once before giving up CPU
mtd: st_spi_fsm: Correct vendor name spelling issue - missing "M"
mtd: st_spi_fsm: Avoid duplicating MTD core code
mtd: st_spi_fsm: Remove useless consts from function arguments
mtd: st_spi_fsm: Convert ST SPI FSM (NOR) Flash driver to new DT partitions
mtd: st_spi_fsm: Move runtime configurable msg sequences into device's struct
mtd: st_spi_fsm: Supply the W25Qxxx chip specific configuration call-back
mtd: st_spi_fsm: Supply the S25FLxxx chip specific configuration call-back
mtd: st_spi_fsm: Supply the MX25xxx chip specific configuration call-back
...
The old interpreter behaviour was that we returned with 0
whenever we found a division by 0 would take place. In the new
interpreter we would currently just skip that instead and
continue execution.
It's true that a value of 0 as return might not be appropriate
in all cases, but current users (socket filters -> drop
packet, seccomp -> SECCOMP_RET_KILL, cls_bpf -> unclassified,
etc) seem fine with that behaviour. Better this than undefined
BPF program behaviour as it's expected that A contains the
result of the division. In future, as more use cases open up,
we could further adapt this return value to our needs, if
necessary.
So reintroduce return of 0 for division by 0 as in the old
interpreter. Also in case of K which is guaranteed to be 32bit
wide, sk_chk_filter() already takes care of preventing division
by 0 invoked through K, so we can generally spare us these tests.
Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
Reviewed-by: Alexei Starovoitov <ast@plumgrid.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The Kconfig for CONFIG_STRICT_DEVMEM is missing despite being
used in mmap.c. Add it.
Signed-off-by: Laura Abbott <lauraa@codeaurora.org>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Patch 99c8b79d3c "xen: Add proper irq accounting for HYPERCALL vector"
added a call to inc_irq_stat(irq_hv_callback_count) in common Xen code,
however both the inc_irq_stat function and the irq_hv_callback_count
counter are architecture specific.
This makes the code build again on ARM by moving the call into the
existing #ifdef CONFIG_X86. We may want to later do the same implementation
on ARM that x86 has though.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: David Vrabel <david.vrabel@citrix.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: Xen <xen-devel@lists.xenproject.org>
If we remove a file that has inline data after mount, our statistics turns to
inaccurate.
cat /sys/kernel/debug/f2fs/status
- Inline_data Inode: 4294967295
Let's add stat_inc_inline_inode() to stat inline info of the file when lookup.
Change log from v1:
o stat in f2fs_lookup() instead of in do_read_inode() for excluding wrong stat.
Signed-off-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
Before setting the acl, call posix_acl_valid() to check if it is
valid or not.
Signed-off-by: zhangzhen <zhenzhang.zhang@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
The kbuild test robot reports the following build errors for x86_64-randconfig-c1-0407:
All error/warnings:
net/built-in.o: In function `wiphy_new':
>> (.text+0x7684c): undefined reference to `rfkill_alloc'
net/built-in.o: In function `wiphy_rfkill_start_polling':
>> (.text+0x76da4): undefined reference to `rfkill_resume_polling'
net/built-in.o: In function `wiphy_rfkill_stop_polling':
>> (.text+0x76de9): undefined reference to `rfkill_pause_polling'
net/built-in.o: In function `wiphy_unregister':
>> (.text+0x76ec9): undefined reference to `rfkill_unregister'
net/built-in.o: In function `wiphy_rfkill_set_hw_state':
>> (.text+0x771bc): undefined reference to `rfkill_set_hw_state'
net/built-in.o: In function `wiphy_register':
>> (.text+0x77968): undefined reference to `rfkill_register'
net/built-in.o: In function `wiphy_register':
>> (.text+0x77981): undefined reference to `rfkill_destroy'
net/built-in.o: In function `cfg80211_rfkill_sync_work':
>> core.c:(.text+0x788ad): undefined reference to `rfkill_blocked'
net/built-in.o: In function `cfg80211_dev_free':
>> (.text+0x78a7b): undefined reference to `rfkill_destroy'
net/built-in.o: In function `cfg80211_netdev_notifier_call':
>> core.c:(.text+0x79203): undefined reference to `rfkill_blocked'
net/built-in.o: In function `nl80211_start_p2p_device':
These undefined sysbols are all satisfied if a "select RFKILL" is added to
Kconfig. This "fix" leads to another problem as follows:
>> nl80211.c:(.text+0x9032e): undefined reference to `rfkill_blocked'
net/rfkill/Kconfig:4:error: recursive dependency detected!
net/rfkill/Kconfig:4: symbol RFKILL is selected by R8723AU
drivers/staging/rtl8723au/Kconfig:1: symbol R8723AU depends on USB
drivers/usb/Kconfig:41: symbol USB is selected by MOUSE_APPLETOUCH
drivers/input/mouse/Kconfig:162: symbol MOUSE_APPLETOUCH depends on INPUT
drivers/input/Kconfig:8: symbol INPUT is selected by ACPI_CMPC
drivers/platform/x86/Kconfig:635: symbol ACPI_CMPC depends on RFKILL
To avoid substituting one build error for another, I added a "depends on RFKILL".
My suspicion is that this particular error is caused by a kbuild bug, or that the
selection of INPUT by ACPI_CMPC is wrong. In any case, that will be solved separately.
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Jes Sorensen <Jes.Sorensen@redhat.com>
Cc: kbuild-all@01.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Some storage devices show relatively high latencies to complete cache_flush
commands, even though their normal IO speed is prettry much high. In such
the case, it needs to merge cache_flush commands as much as possible to avoid
issuing them redundantly.
So, this patch introduces a mount option, "-o flush_merge", to mitigate such
the overhead.
If this option is enabled by user, F2FS merges the cache_flush commands and then
issues just one cache_flush on behalf of them. Once the single command is
finished, F2FS sends a completion signal to all the pending threads.
Note that, this option can be used under a workload consisting of very intensive
concurrent fsync calls, while the storage handles cache_flush commands slowly.
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
Recent arm64 builds using CONFIG_ARM64_64K_PAGES are failing with:
arch/arm64/kernel/perf_regs.c: In function ‘perf_reg_abi’:
arch/arm64/kernel/perf_regs.c:41:2: error: implicit declaration of function ‘is_compat_thread’
arch/arm64/kernel/perf_event.c:1398:2: error: unknown type name ‘compat_uptr_t’
This is due to some recent arm64 perf commits with compat support:
commit 23c7d70d55:
ARM64: perf: add support for frame pointer unwinding in compat mode
commit 2ee0d7fd36:
ARM64: perf: add support for perf registers API
Those patches make the arm64 kernel unbuildable if CONFIG_COMPAT is not
defined and CONFIG_ARM64_64K_PAGES depends on !CONFIG_COMPAT. This patch
allows the arm64 kernel to build with and without CONFIG_COMPAT.
Signed-off-by: Mark Salter <msalter@redhat.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Highlights include:
- Stable fix for a use after free issue in the NFSv4.1 open code
- Fix the SUNRPC bi-directional RPC code to account for TCP segmentation
- Optimise usage of readdirplus when confronted with 'ls -l' situations
- Soft mount bugfixes
- NFS over RDMA bugfixes
- NFSv4 close locking fixes
- Various NFSv4.x client state management optimisations
- Rename/unlink code cleanups
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Merge tag 'nfs-for-3.15-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfs
Pull NFS client updates from Trond Myklebust:
"Highlights include:
- Stable fix for a use after free issue in the NFSv4.1 open code
- Fix the SUNRPC bi-directional RPC code to account for TCP segmentation
- Optimise usage of readdirplus when confronted with 'ls -l' situations
- Soft mount bugfixes
- NFS over RDMA bugfixes
- NFSv4 close locking fixes
- Various NFSv4.x client state management optimisations
- Rename/unlink code cleanups"
* tag 'nfs-for-3.15-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfs: (28 commits)
nfs: pass string length to pr_notice message about readdir loops
NFSv4: Fix a use-after-free problem in open()
SUNRPC: rpc_restart_call/rpc_restart_call_prepare should clear task->tk_status
SUNRPC: Don't let rpc_delay() clobber non-timeout errors
SUNRPC: Ensure call_connect_status() deals correctly with SOFTCONN tasks
SUNRPC: Ensure call_status() deals correctly with SOFTCONN tasks
NFSv4: Ensure we respect soft mount timeouts during trunking discovery
NFSv4: Schedule recovery if nfs40_walk_client_list() is interrupted
NFS: advertise only supported callback netids
SUNRPC: remove KERN_INFO from dprintk() call sites
SUNRPC: Fix large reads on NFS/RDMA
NFS: Clean up: revert increase in READDIR RPC buffer max size
SUNRPC: Ensure that call_bind times out correctly
SUNRPC: Ensure that call_connect times out correctly
nfs: emit a fsnotify_nameremove call in sillyrename codepath
nfs: remove synchronous rename code
nfs: convert nfs_rename to use async_rename infrastructure
nfs: make nfs_async_rename non-static
nfs: abstract out code needed to complete a sillyrename
NFSv4: Clear the open state flags if the new stateid does not match
...
a staging driver; fix included. Greg KH said he'd take the patch
but hadn't as the merge window opened, so it's included here
to avoid breaking build.
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 major: the stricter permissions checking for sysfs broke a
staging driver; fix included. Greg KH said he'd take the patch but
hadn't as the merge window opened, so it's included here to avoid
breaking build"
* tag 'modules-next-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux:
staging: fix up speakup kobject mode
Use 'E' instead of 'X' for unsigned module taint flag.
VERIFY_OCTAL_PERMISSIONS: stricter checking for sysfs perms.
kallsyms: fix percpu vars on x86-64 with relocation.
kallsyms: generalize address range checking
module: LLVMLinux: Remove unused function warning from __param_check macro
Fix: module signature vs tracepoints: add new TAINT_UNSIGNED_MODULE
module: remove MODULE_GENERIC_TABLE
module: allow multiple calls to MODULE_DEVICE_TABLE() per module
module: use pr_cont
skip dentries that were added before MDS issued FILE_SHARED to
client.
Signed-off-by: Yan, Zheng <zheng.z.yan@intel.com>
Reviewed-by: Sage Weil <sage@inktank.com>
Pablo Neira Ayuso says:
====================
The following patchset contains Netfilter fixes for your net tree, they
are:
* Use 16-bits offset and length fields instead of 8-bits in the conntrack
extension to avoid an overflow when many conntrack extension are used,
from Andrey Vagin.
* Allow to use cgroup match from LOCAL_IN, there is no apparent reason
for not allowing this, from Alexey Perevalov.
* Fix build of the connlimit match after recent changes to let it scale
up that result in a divide by zero compilation error in UP, from
Florian Westphal.
* Move the lock out of the structure connlimit_data to avoid a false
sharing spotted by Eric Dumazet and Jesper D. Brouer, this needed as
part of the recent connlimit scalability improvements, also from
Florian Westphal.
* Add missing module aliases in xt_osf to fix loading of rules using
this match, from Kirill Tkhai.
* Restrict set names in nf_tables to 15 characters instead of silently
trimming them off, from me.
* Fix wrong format in nf_tables request module call for chain types,
spotted by Florian Westphal, patch from me.
* Fix crash in xtables when it fails to copy the counters back to userspace
after having replaced the table already.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Pull arch/tile updates from Chris Metcalf:
"These fix a few stray build issues seen in linux-next, and also add
the minimal required support for perf to tilegx"
* git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile:
arch/tile: remove unused variable 'devcap'
tile: Fix vDSO compilation issue with allyesconfig
perf tools: Allow building for tile
tile/perf: Support perf_events on tilegx and tilepro
tile: Enable NMIs on return from handle_nmi() without errors
tile: Add support for handling PMC hardware
tile: don't use __get_cpu_var() with structure-typed arguments
tile: avoid overflow in ns2cycles
cache_block_size
. Fix a lock-inversion detected by LOCKDEP in dm-cache
. Fix a dangling bio bug in the dm-thinp target's process_deferred_bios
error path
. Fix corruption due to non-atomic transaction commit which allowed a
metadata superblock to be written before all other metadata was
successfully written -- this is common to all targets that use the
persistent-data library's transaction manager (dm-thinp, dm-cache and
dm-era).
. Various small cleanups in the DM core
. Add the dm-era target which is useful for keeping track of which
blocks were written within a user defined period of time called an
'era'. Use cases include tracking changed blocks for backup software,
and partially invalidating the contents of a cache to restore cache
coherency after rolling back a vendor snapshot.
. Improve the on-disk layout of multithreaded writes to the dm-thin-pool
by splitting the pool's deferred bio list to be a per-thin device list
and then sorting that list using an rb_tree. The subsequent read
throughput of the data written via multiple threads improved by ~70%.
. Simplify the multipath target's handling of queuing IO by pushing
requests back to the request queue rather than queueing the IO
internally.
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Merge tag 'dm-3.15-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm
Pull device mapper changes from Mike Snitzer:
- Fix dm-cache corruption caused by discard_block_size > cache_block_size
- Fix a lock-inversion detected by LOCKDEP in dm-cache
- Fix a dangling bio bug in the dm-thinp target's process_deferred_bios
error path
- Fix corruption due to non-atomic transaction commit which allowed a
metadata superblock to be written before all other metadata was
successfully written -- this is common to all targets that use the
persistent-data library's transaction manager (dm-thinp, dm-cache and
dm-era).
- Various small cleanups in the DM core
- Add the dm-era target which is useful for keeping track of which
blocks were written within a user defined period of time called an
'era'. Use cases include tracking changed blocks for backup
software, and partially invalidating the contents of a cache to
restore cache coherency after rolling back a vendor snapshot.
- Improve the on-disk layout of multithreaded writes to the
dm-thin-pool by splitting the pool's deferred bio list to be a
per-thin device list and then sorting that list using an rb_tree.
The subsequent read throughput of the data written via multiple
threads improved by ~70%.
- Simplify the multipath target's handling of queuing IO by pushing
requests back to the request queue rather than queueing the IO
internally.
* tag 'dm-3.15-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm: (24 commits)
dm cache: fix a lock-inversion
dm thin: sort the per thin deferred bios using an rb_tree
dm thin: use per thin device deferred bio lists
dm thin: simplify pool_is_congested
dm thin: fix dangling bio in process_deferred_bios error path
dm mpath: print more useful warnings in multipath_message()
dm-mpath: do not activate failed paths
dm mpath: remove extra nesting in map function
dm mpath: remove map_io()
dm mpath: reduce memory pressure when requeuing
dm mpath: remove process_queued_ios()
dm mpath: push back requests instead of queueing
dm table: add dm_table_run_md_queue_async
dm mpath: do not call pg_init when it is already running
dm: use RCU_INIT_POINTER instead of rcu_assign_pointer in __unbind
dm: stop using bi_private
dm: remove dm_get_mapinfo
dm: make dm_table_alloc_md_mempools static
dm: take care to copy the space map roots before locking the superblock
dm transaction manager: fix corruption due to non-atomic transaction commit
...
This time a few more updates queued up.
* Rework VT-d code to support ACPI devices
* Improvements for memory and PCI hotplug support
in the VT-d driver
* Device-tree support for OMAP IOMMU
* Convert OMAP IOMMU to use devm_* interfaces
* Fixed PASID support for AMD IOMMU
* Other random cleanups and fixes for OMAP, ARM-SMMU
and SHMOBILE IOMMU
Most of the changes are in the VT-d driver because some rework was
necessary for better hotplug and ACPI device support.
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Merge tag 'iommu-updates-v3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
Pull IOMMU upates from Joerg Roedel:
"This time a few more updates queued up.
- Rework VT-d code to support ACPI devices
- Improvements for memory and PCI hotplug support in the VT-d driver
- Device-tree support for OMAP IOMMU
- Convert OMAP IOMMU to use devm_* interfaces
- Fixed PASID support for AMD IOMMU
- Other random cleanups and fixes for OMAP, ARM-SMMU and SHMOBILE
IOMMU
Most of the changes are in the VT-d driver because some rework was
necessary for better hotplug and ACPI device support"
* tag 'iommu-updates-v3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: (75 commits)
iommu/vt-d: Fix error handling in ANDD processing
iommu/vt-d: returning free pointer in get_domain_for_dev()
iommu/vt-d: Only call dmar_acpi_dev_scope_init() if DRHD units present
iommu/vt-d: Check for NULL pointer in dmar_acpi_dev_scope_init()
iommu/amd: Fix logic to determine and checking max PASID
iommu/vt-d: Include ACPI devices in iommu=pt
iommu/vt-d: Finally enable translation for non-PCI devices
iommu/vt-d: Remove to_pci_dev() in intel_map_page()
iommu/vt-d: Remove pdev from intel_iommu_attach_device()
iommu/vt-d: Remove pdev from iommu_no_mapping()
iommu/vt-d: Make domain_add_dev_info() take struct device
iommu/vt-d: Make domain_remove_one_dev_info() take struct device
iommu/vt-d: Rename 'hwdev' variables to 'dev' now that that's the norm
iommu/vt-d: Remove some pointless to_pci_dev() calls
iommu/vt-d: Make get_valid_domain_for_dev() take struct device
iommu/vt-d: Make iommu_should_identity_map() take struct device
iommu/vt-d: Handle RMRRs for non-PCI devices
iommu/vt-d: Make get_domain_for_dev() take struct device
iommu/vt-d: Make domain_context_mapp{ed,ing}() take struct device
iommu/vt-d: Make device_to_iommu() cope with non-PCI devices
...
Pull hwmon updates from Jean Delvare:
"This includes a number of driver conversions to
devm_hwmon_device_register_with_groups, a few cleanups, and
support for the ITE IT8623E"
* 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging:
hwmon: (it87) Add support for IT8623E
hwmon: (it87) Fix IT8603E define name
hwmon: (lm90) Convert to use hwmon_device_register_with_groups
hwmon: (lm90) Create all sysfs groups in one call
hwmon: (lm90) Always use the dev variable in the probe function
hwmon: (lm90) Create most optional attributes with sysfs_create_group
hwmon: Avoid initializing the same field twice
hwmon: (pc87360) Avoid initializing the same field twice
hwmon: (lm80) Convert to use devm_hwmon_device_register_with_groups
hwmon: (adm1021) Convert to use devm_hwmon_device_register_with_groups
hwmon: (lm63) Avoid initializing the same field twice
hwmon: (lm63) Convert to use devm_hwmon_device_register_with_groups
hwmon: (lm63) Create all sysfs groups in one call
hwmon: (lm63) Introduce 'dev' variable to point to client->dev
hwmon: (lm63) Add additional sysfs group for temp2_type attribute
hwmon: (f71805f) Fix author's address
Mostly clock driver updates, more Device Tree support in the form of
common functions useful across platforms and a handful of features and
fixes to the framework core.
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Merge tag 'clk-for-linus-3.15' of git://git.linaro.org/people/mike.turquette/linux
Pull clock framework changes from Mike Turquette:
"The clock framework changes for 3.15 look similar to past pull
requests. Mostly clock driver updates, more Device Tree support in
the form of common functions useful across platforms and a handful of
features and fixes to the framework core"
* tag 'clk-for-linus-3.15' of git://git.linaro.org/people/mike.turquette/linux: (86 commits)
clk: shmobile: fix setting paretn clock rate
clk: shmobile: rcar-gen2: fix lb/sd0/sd1/sdh clock parent to pll1
clk: Fix minor errors in of_clk_init() function comments
clk: reverse default clk provider initialization order in of_clk_init()
clk: sirf: update copyright years to 2014
clk: mmp: try to use closer one when do round rate
clk: mmp: fix the wrong calculation formula
clk: mmp: fix wrong mask when calculate denominator
clk: st: Adds quadfs clock binding
clk: st: Adds clockgen-vcc and clockgen-mux clock binding
clk: st: Adds clockgen clock binding
clk: st: Adds divmux and prediv clock binding
clk: st: Support for A9 MUX clocks
clk: st: Support for ClockGenA9/DDR/GPU
clk: st: Support for QUADFS inside ClockGenB/C/D/E/F
clk: st: Support for VCC-mux and MUX clocks
clk: st: Support for PLLs inside ClockGenA(s)
clk: st: Support for DIVMUX and PreDiv Clocks
clk: support hardware-specific debugfs entries
clk: s2mps11: Use of_get_child_by_name
...
The legacy HAVE_PWM Kconfig symbol is finally being retired. Thanks a
lot to Sascha Hauer for doing that.
Three new drivers are added: Freescale FTM, Cirrus Logic CLPS711X and
Intel Low Power Subsystem.
An assortment of fixes and cleanups rounds things off for this release
cycle.
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Merge tag 'pwm/for-3.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm
Pull pwm changes from Thierry Reding:
"The legacy HAVE_PWM Kconfig symbol is finally being retired. Thanks a
lot to Sascha Hauer for doing that.
Three new drivers are added: Freescale FTM, Cirrus Logic CLPS711X and
Intel Low Power Subsystem.
An assortment of fixes and cleanups rounds things off for this release
cycle"
* tag 'pwm/for-3.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm:
pwm: pxa: Constify OF match table
pwm: pxa: Fix typo "pwm" -> "PWM"
Revert "pwm: pxa: Use of_match_ptr()"
pwm: add support for Intel Low Power Subsystem PWM
pwm: Add CLPS711X PWM support
pwm: atmel: correct CDTY calculation
pwm: atmel: Fix polarity handling
Documentation: Add device tree bindings for Freescale FTM PWM.
pwm: Add Freescale FTM PWM driver support
pwm: pxa: Use of_match_ptr()
pwm: samsung: Use SIMPLE_DEV_PM_OPS macro
pwm: renesas-tpu: Add dependency on HAS_IOMEM
pwm: Remove obsolete HAVE_PWM Kconfig symbol
These could not be part of the first cleanup branch, because they either
came too late in the cycle, or they have dependencies on other branches.
Important changes are:
* The integrator platform is almost multiplatform capable after
some reorganization (Linus Walleij)
* Minor cleanups on Zynq (Michal Simek)
* Lots of changes for Exynos and other Samsung platforms, including
further preparations for multiplatform support and the clocks bindings
are rearranged.
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Merge tag 'tags/cleanup2-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC late cleanups from Arnd Bergmann:
"These could not be part of the first cleanup branch, because they
either came too late in the cycle, or they have dependencies on other
branches. Important changes are:
- The integrator platform is almost multiplatform capable after some
reorganization (Linus Walleij)
- Minor cleanups on Zynq (Michal Simek)
- Lots of changes for Exynos and other Samsung platforms, including
further preparations for multiplatform support and the clocks
bindings are rearranged"
* tag 'tags/cleanup2-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (54 commits)
devicetree: fix newly added exynos sata bindings
ARM: EXYNOS: Fix compilation error in cpuidle.c
ARM: S5P64X0: Explicitly include linux/serial_s3c.h in mach/pm-core.h
ARM: EXYNOS: Remove hardware.h file
ARM: SAMSUNG: Remove hardware.h inclusion
ARM: S3C24XX: Remove invalid code from hardware.h
dt-bindings: clock: Move exynos-audss-clk.h to dt-bindings/clock
ARM: dts: Keep some essential LDOs enabled for arndale-octa board
ARM: dts: Disable MDMA1 node for arndale-octa board
ARM: S3C64XX: Fix build for implicit serial_s3c.h inclusion
serial: s3c: Fix build of header without serial_core.h preinclusion
ARM: EXYNOS: Allow wake-up using GIC interrupts
ARM: EXYNOS: Stop using legacy Samsung PM code
ARM: EXYNOS: Remove PM initcalls and useless indirection
ARM: EXYNOS: Fix abuse of CONFIG_PM
ARM: SAMSUNG: Move s3c_pm_check_* prototypes to plat/pm-common.h
ARM: SAMSUNG: Move common save/restore helpers to separate file
ARM: SAMSUNG: Move Samsung PM debug code into separate file
ARM: SAMSUNG: Consolidate PM debug functions
ARM: SAMSUNG: Use debug_ll_addr() to get UART base address
...
The drivers/sh subdirectory used to get merged through the SH architecture
tree, but things are in flux there and some of the drivers are shared
with ARM shmobile, we have picked it up for the time being.
There is only one trivial patch from Laurent Pinchart this time.
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Merge tag 'sh-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC sh driver change from Arnd Bergmann:
"The drivers/sh subdirectory used to get merged through the SH
architecture tree, but things are in flux there and some of the
drivers are shared with ARM shmobile, we have picked it up for the
time being.
There is only one trivial patch from Laurent Pinchart this time"
* tag 'sh-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
sh: intc: Enable driver compilation with COMPILE_TEST
These changes are mostly for ARM specific device drivers that either
don't have an upstream maintainer, or that had the maintainer ask
us to pick up the changes to avoid conflicts. A large chunk of this
are clock drivers (bcm281xx, exynos, versatile, shmobile), aside from
that, reset controllers for STi as well as a large rework of the
Marvell Orion/EBU watchdog driver are notable.
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Merge tag 'drivers-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC driver changes from Arnd Bergmann:
"These changes are mostly for ARM specific device drivers that either
don't have an upstream maintainer, or that had the maintainer ask us
to pick up the changes to avoid conflicts.
A large chunk of this are clock drivers (bcm281xx, exynos, versatile,
shmobile), aside from that, reset controllers for STi as well as a
large rework of the Marvell Orion/EBU watchdog driver are notable"
* tag 'drivers-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (99 commits)
Revert "dts: socfpga: Add DTS entry for adding the stmmac glue layer for stmmac."
Revert "net: stmmac: Add SOCFPGA glue driver"
ARM: shmobile: r8a7791: Fix SCIFA3-5 clocks
ARM: STi: Add reset controller support to mach-sti Kconfig
drivers: reset: stih416: add softreset controller
drivers: reset: stih415: add softreset controller
drivers: reset: Reset controller driver for STiH416
drivers: reset: Reset controller driver for STiH415
drivers: reset: STi SoC system configuration reset controller support
dts: socfpga: Add sysmgr node so the gmac can use to reference
dts: socfpga: Add support for SD/MMC on the SOCFPGA platform
reset: Add optional resets and stubs
ARM: shmobile: r7s72100: fix bus clock calculation
Power: Reset: Generalize qnap-poweroff to work on Synology devices.
dts: socfpga: Update clock entry to support multiple parents
ARM: socfpga: Update socfpga_defconfig
dts: socfpga: Add DTS entry for adding the stmmac glue layer for stmmac.
net: stmmac: Add SOCFPGA glue driver
watchdog: orion_wdt: Use %pa to print 'phys_addr_t'
drivers: cci: Export CCI PMU revision
...
A large part of the arm-soc patches are nowadays DT changes, adding support
for new SoCs, boards and devices without changing kernel source. The plan
is still to move the devicetree files out of the kernel tree and reduce
the amount of churn going on here, but we keep finding reasons to delay
doing that.
Changes are really all over the place, with little sticking out particularly.
We have contributions from a total of 116 people in this branch.
Unfortunately, the size of this branch also causes a significant number
of conflicts at the moment, typically when subsystem maintainers merge
patches that change the driver at the same time as the dts files. In
most cases this could be avoided because the dts changes are supposed
to be compatible in both ways, and we are asking everyone to send ARM
dts changes through our tree only.
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Merge tag 'dt-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC device tree changes from Arnd Bergmann:
"A large part of the arm-soc patches are nowadays DT changes, adding
support for new SoCs, boards and devices without changing kernel
source. The plan is still to move the devicetree files out of the
kernel tree and reduce the amount of churn going on here, but we keep
finding reasons to delay doing that.
Changes are really all over the place, with little sticking out
particularly. We have contributions from a total of 116 people in
this branch.
Unfortunately, the size of this branch also causes a significant
number of conflicts at the moment, typically when subsystem
maintainers merge patches that change the driver at the same time as
the dts files. In most cases this could be avoided because the dts
changes are supposed to be compatible in both ways, and we are asking
everyone to send ARM dts changes through our tree only"
* tag 'dt-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (541 commits)
dts: stmmac: Document the clocks property in the stmmac base document
dts: socfpga: Add DTS entry for adding the stmmac glue layer for stmmac.
ARM: STi: stih41x: Add support for the FSM Serial Flash Controller
ARM: STi: stih416: Add support for the FSM Serial Flash Controller
ARM: tegra: fix Dalmore pinctrl configuration
ARM: dts: keystone: use common "ti,keystone" compatible instead of -evm
ARM: dts: k2hk-evm: set ubifs partition size for 512M NAND
ARM: dts: Build all keystone dt blobs
ARM: dts: keystone: Fix control register range for clktsip
ARM: dts: keystone: Fix domain register range for clkfftc1
ARM: dts: bcm28155-ap: leave camldo1 on to fix reboot
ARM: dts: add bcm590xx pmu support and enable for bcm28155-ap
ARM: dts: bcm21664: Add device tree files.
ARM: DT: bcm21664: Device tree bindings
ARM: efm32: properly namespace i2c location property
ARM: efm32: fix unit address part in USART2 device nodes' names
ARM: mvebu: Enable NAND controller in Armada 385-DB
ARM: mvebu: Add support for NAND controller in Armada 38x SoC
ARM: mvebu: Add the Core Divider clock to Armada 38x SoCs
ARM: mvebu: Add a 2 GHz fixed-clock on Armada 38x SoCs
...
This commit also creates a TODO file.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
