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This hashtable implementation is using hlist buckets to provide a simple
hashtable to prevent it from getting reimplemented all over the kernel.
Signed-off-by: Sasha Levin <levinsasha928@gmail.com>
[ Merging this now, so that subsystems can start applying Sasha's
patches that use this - Linus ]
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Pull KVM fix from Marcelo Tosatti.
* git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: x86: fix vcpu->mmio_fragments overflow
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After commit b3356bf0dbb349 (KVM: emulator: optimize "rep ins" handling),
the pieces of io data can be collected and write them to the guest memory
or MMIO together
Unfortunately, kvm splits the mmio access into 8 bytes and store them to
vcpu->mmio_fragments. If the guest uses "rep ins" to move large data, it
will cause vcpu->mmio_fragments overflow
The bug can be exposed by isapc (-M isapc):
[23154.818733] general protection fault: 0000 [#1] SMP DEBUG_PAGEALLOC
[ ......]
[23154.858083] Call Trace:
[23154.859874] [<ffffffffa04f0e17>] kvm_get_cr8+0x1d/0x28 [kvm]
[23154.861677] [<ffffffffa04fa6d4>] kvm_arch_vcpu_ioctl_run+0xcda/0xe45 [kvm]
[23154.863604] [<ffffffffa04f5a1a>] ? kvm_arch_vcpu_load+0x17b/0x180 [kvm]
Actually, we can use one mmio_fragment to store a large mmio access then
split it when we pass the mmio-exit-info to userspace. After that, we only
need two entries to store mmio info for the cross-mmio pages access
Signed-off-by: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
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Pull md fixes from NeilBrown:
"Some fixes for md in 3.7
- one recently introduced crash for dm-raid10 with discard
- one bug in new functionality that has been around for a few
releases.
- minor bug in md's 'faulty' personality
and UAPI disintegration for md."
* tag 'md-3.7-fixes' of git://neil.brown.name/md:
MD RAID10: Fix oops when creating RAID10 arrays via dm-raid.c
md/raid1: Fix assembling of arrays containing Replacements.
md faulty: use disk_stack_limits()
UAPI: (Scripted) Disintegrate include/linux/raid
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Use rcu_read_lock_sched / rcu_read_unlock_sched / synchronize_sched
instead of rcu_read_lock / rcu_read_unlock / synchronize_rcu.
This is an optimization. The RCU-protected region is very small, so
there will be no latency problems if we disable preempt in this region.
So we use rcu_read_lock_sched / rcu_read_unlock_sched that translates
to preempt_disable / preempt_disable. It is smaller (and supposedly
faster) than preemptible rcu_read_lock / rcu_read_unlock.
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This patch introduces new barrier pair light_mb() and heavy_mb() for
percpu rw semaphores.
This patch fixes a bug in percpu-rw-semaphores where a barrier was
missing in percpu_up_write.
This patch improves performance on the read path of
percpu-rw-semaphores: on non-x86 cpus, there was a smp_mb() in
percpu_up_read. This patch changes it to a compiler barrier and removes
the "#if defined(X86) ..." condition.
From: Lai Jiangshan <laijs@cn.fujitsu.com>
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Pull networking fixes from David Miller:
"This is what we usually expect at this stage of the game, lots of
little things, mostly in drivers. With the occasional 'oops didn't
mean to do that' kind of regressions in the core code."
1) Uninitialized data in __ip_vs_get_timeouts(), from Arnd Bergmann
2) Reject invalid ACK sequences in Fast Open sockets, from Jerry Chu.
3) Lost error code on return from _rtl_usb_receive(), from Christian
Lamparter.
4) Fix reset resume on USB rt2x00, from Stanislaw Gruszka.
5) Release resources on error in pch_gbe driver, from Veaceslav Falico.
6) Default hop limit not set correctly in ip6_template_metrics[], fix
from Li RongQing.
7) Gianfar PTP code requests wrong kind of resource during probe, fix
from Wei Yang.
8) Fix VHOST net driver on big-endian, from Michael S Tsirkin.
9) Mallenox driver bug fixes from Jack Morgenstein, Or Gerlitz, Moni
Shoua, Dotan Barak, and Uri Habusha.
10) usbnet leaks memory on TX path, fix from Hemant Kumar.
11) Use socket state test, rather than presence of FIN bit packet, to
determine FIONREAD/SIOCINQ value. Fix from Eric Dumazet.
12) Fix cxgb4 build failure, from Vipul Pandya.
13) Provide a SYN_DATA_ACKED state to complement SYN_FASTOPEN in socket
info dumps. From Yuchung Cheng.
14) Fix leak of security path in kfree_skb_partial(). Fix from Eric
Dumazet.
15) Handle RX FIFO overflows more resiliently in pch_gbe driver, from
Veaceslav Falico.
16) Fix MAINTAINERS file pattern for networking drivers, from Jean
Delvare.
17) Add iPhone5 IDs to IPHETH driver, from Jay Purohit.
18) VLAN device type change restriction is too strict, and should not
trigger for the automatically generated vlan0 device. Fix from Jiri
Pirko.
19) Make PMTU/redirect flushing work properly again in ipv4, from
Steffen Klassert.
20) Fix memory corruptions by using kfree_rcu() in netlink_release().
From Eric Dumazet.
21) More qmi_wwan device IDs, from Bjørn Mork.
22) Fix unintentional change of SNAT/DNAT hooks in generic NAT
infrastructure, from Elison Niven.
23) Fix 3.6.x regression in xt_TEE netfilter module, from Eric Dumazet.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (57 commits)
tilegx: fix some issues in the SW TSO support
qmi_wwan/cdc_ether: move Novatel 551 and E362 to qmi_wwan
net: usb: Fix memory leak on Tx data path
net/mlx4_core: Unmap UAR also in the case of error flow
net/mlx4_en: Don't use vlan tag value as an indication for vlan presence
net/mlx4_en: Fix double-release-range in tx-rings
bas_gigaset: fix pre_reset handling
vhost: fix mergeable bufs on BE hosts
gianfar_ptp: use iomem, not ioports resource tree in probe
ipv6: Set default hoplimit as zero.
NET_VENDOR_TI: make available for am33xx as well
pch_gbe: fix error handling in pch_gbe_up()
b43: Fix oops on unload when firmware not found
mwifiex: clean up scan state on error
mwifiex: return -EBUSY if specific scan request cannot be honored
brcmfmac: fix potential NULL dereference
Revert "ath9k_hw: Updated AR9003 tx gain table for 5GHz"
ath9k_htc: Add PID/VID for a Ubiquiti WiFiStation
rt2x00: usb: fix reset resume
rtlwifi: pass rx setup error code to caller
...
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging driver fixes from Greg Kroah-Hartman:
"Here are some staging driver fixes for your 3.7-rc tree.
Nothing major here, a number of iio driver fixups that were causing
problems, some comedi driver bugfixes, and a bunch of tidspbridge
warning squashing and other regressions fixed from the 3.6 release.
All have been in the linux-next releases for a bit.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>"
* tag 'staging-3.7-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (32 commits)
staging: tidspbridge: delete unused mmu functions
staging: tidspbridge: ioremap physical address of the stack segment in shm
staging: tidspbridge: ioremap dsp sync addr
staging: tidspbridge: change type to __iomem for per and core addresses
staging: tidspbridge: drop const from custom mmu implementation
staging: tidspbridge: request the right irq for mmu
staging: ipack: add missing include (implicit declaration of function 'kfree')
staging: ramster: depends on NET
staging: omapdrm: fix allocation size for page addresses array
staging: zram: Fix handling of incompressible pages
Staging: android: binder: Allow using highmem for binder buffers
Staging: android: binder: Fix memory leak on thread/process exit
staging: comedi: ni_labpc: fix possible NULL deref during detach
staging: comedi: das08: fix possible NULL deref during detach
staging: comedi: amplc_pc263: fix possible NULL deref during detach
staging: comedi: amplc_pc236: fix possible NULL deref during detach
staging: comedi: amplc_pc236: fix invalid register access during detach
staging: comedi: amplc_dio200: fix possible NULL deref during detach
staging: comedi: 8255_pci: fix possible NULL deref during detach
staging: comedi: ni_daq_700: fix dio subdevice regression
...
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core fixes from Greg Kroah-Hartman:
"Here are a number of firmware core fixes for 3.7, and some other minor
fixes. And some documentation updates thrown in for good measure.
All have been in the linux-next tree for a while.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>"
* tag 'driver-core-3.7-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
Documentation:Chinese translation of Documentation/arm64/memory.txt
Documentation:Chinese translation of Documentation/arm64/booting.txt
Documentation:Chinese translation of Documentation/IRQ.txt
firmware loader: document kernel direct loading
sysfs: sysfs_pathname/sysfs_add_one: Use strlcat() instead of strcat()
dynamic_debug: Remove unnecessary __used
firmware loader: sync firmware cache by async_synchronize_full_domain
firmware loader: let direct loading back on 'firmware_buf'
firmware loader: fix one reqeust_firmware race
firmware loader: cancel uncache work before caching firmware
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver fixes from Greg Kroah-Hartman:
"Here are some driver fixes for 3.7. They include extcon driver fixes,
a hyper-v bugfix, and two other minor driver fixes.
All of these have been in the linux-next releases for a while.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>"
* tag 'char-misc-3.7-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
sonypi: suspend/resume callbacks should be conditionally compiled on CONFIG_PM_SLEEP
Drivers: hv: Cleanup error handling in vmbus_open()
extcon : register for cable interest by cable name
extcon: trivial: kfree missed from remove path
extcon: driver model release call not needed
extcon: MAX77693: Add platform data for MUIC device to initialize registers
extcon: max77693: Use max77693_update_reg for rmw operations
extcon: Fix kerneldoc for extcon_set_cable_state and extcon_set_cable_state_
extcon: adc-jack: Add missing MODULE_LICENSE
extcon: adc-jack: Fix checking return value of request_any_context_irq
extcon: Fix return value in extcon_register_interest()
extcon: unregister compat link on cleanup
extcon: Unregister compat class at module unload to fix oops
extcon: optimising the check_mutually_exclusive function
extcon: standard cable names definition and declaration changed
extcon-max8997: remove usage of ret in max8997_muic_handle_charger_type_detach
extcon: Remove duplicate inclusion of extcon.h header file
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Ingo Molnar:
"This fixes a couple of nasty page table initialization bugs which were
causing kdump regressions. A clean rearchitecturing of the code is in
the works - meanwhile these are reverts that restore the
best-known-working state of the kernel.
There's also EFI fixes and other small fixes."
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86, mm: Undo incorrect revert in arch/x86/mm/init.c
x86: efi: Turn off efi_enabled after setup on mixed fw/kernel
x86, mm: Find_early_table_space based on ranges that are actually being mapped
x86, mm: Use memblock memory loop instead of e820_RAM
x86, mm: Trim memory in memblock to be page aligned
x86/irq/ioapic: Check for valid irq_cfg pointer in smp_irq_move_cleanup_interrupt
x86/efi: Fix oops caused by incorrect set_memory_uc() usage
x86-64: Fix page table accounting
Revert "x86/mm: Fix the size calculation of mapping tables"
MAINTAINERS: Add EFI git repository location
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf fixes from Ingo Molnar:
"Most of the kernel diffstat relates to a group of Intel P6 and KNC
(Xeon-Phi Knights Corner) PMU driver fixes, neither of which is in
heavy use, so we took the fixes.
The rest is diverse smallish fixes to the tooling and kernel side."
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf/x86: Remove unused variable in nhmex_rbox_alter_er()
perf/x86: Enable overflow on Intel KNC with a custom knc_pmu_handle_irq()
perf/x86: Remove cpuc->enable check on Intl KNC event enable/disable
perf/x86: Make Intel KNC use full 40-bit width of counters
perf/x86/uncore: Handle pci_read_config_dword() errors
perf/x86: Remove P6 cpuc->enabled check
perf/x86: Update/fix generic events on P6 PMU
perf/x86: Fix P6 FP_ASSIST event constraint
perf, cpu hotplug: Use cached value of smp_processor_id()
perf, cpu hotplug: Run CPU_STARTING notifiers with irqs disabled
x86/perf: Fix virtualization sanity check
perf test: Fix exclude_guest parse events tests
perf tools: do not flush maps on COMM for perf report
perf help: Fix --help for builtins
perf trace: Check if sample raw_data field is set
perf trace: Validate syscall id before growing syscall table
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rb_erase_augmented() is a static function annotated with
__always_inline. This causes a compile failure when attempting to use
the rbtree implementation as a library (e.g. kvm tool):
rbtree_augmented.h:125:24: error: expected `=', `,', `;', `asm' or `__attribute__' before `void'
Include linux/compiler.h in rbtree_augmented.h so that the __always_inline
macro is resolved correctly.
Signed-off-by: Will Deacon <will.deacon@arm.com>
Cc: Pekka Enberg <penberg@kernel.org>
Reviewed-by: Michel Lespinasse <walken@google.com>
Cc: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/misc
Pull spi fixes from Mark Brown:
"A bunch of fixes here, mostly minor except for the pl022 which has
just been a bit of a shambles all round, the recent runtime PM changes
have as far as I can tell never worked so they're just getting thrown
out."
* tag 'spi-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/misc:
spi/pl022: Revert recent runtime PM changes
spi: tsc2005: delete soon-obsolete e-mail address
spi: spi-rspi: fix build error for the latest shdma driver
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The __used attribute prevents gcc from eliminating
unnecessary, otherwise optimized away, metadata for
debugging logging messages.
Remove the __used attribute.
Signed-off-by: Joe Perches <joe@perches.com>
Acked-by: Jason Baron <jbaron@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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We will not map partial pages, so need to make sure memblock
allocation will not allocate those bytes out.
Also we will use for_each_mem_pfn_range() to loop to map memory
range to keep them consistent.
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Link: http://lkml.kernel.org/r/CAE9FiQVZirvaBMFYRfXMmWEcHbKSicQEHz4VAwUv0xFCk51ZNw@mail.gmail.com
Acked-by: Jacob Shin <jacob.shin@amd.com>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Cc: <stable@vger.kernel.org>
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The perf_cpu_notifier() macro invokes smp_processor_id()
multiple times. Optimize it by using a local variable.
Signed-off-by: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com>
Reviewed-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: peterz@infradead.org
Cc: acme@ghostprotocols.net
Link: http://lkml.kernel.org/r/20121016075817.3572.76733.stgit@srivatsabhat.in.ibm.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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The CPU_STARTING notifiers are supposed to be run with irqs
disabled. But the perf_cpu_notifier() macro invokes them without
doing that. Fix it.
Signed-off-by: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com>
Reviewed-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: peterz@infradead.org
Cc: acme@ghostprotocols.net
Link: http://lkml.kernel.org/r/20121016075809.3572.47848.stgit@srivatsabhat.in.ibm.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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This patch add platform data for MUIC device to initialize register
on probe() call because it should unmask interrupt mask register
and initialize some register related to MUIC device.
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Myungjoo Ham <myungjoo.ham@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
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Add a bit TCPI_OPT_SYN_DATA (32) to the socket option TCP_INFO:tcpi_options.
It's set if the data in SYN (sent or received) is acked by SYN-ACK. Server or
client application can use this information to check Fast Open success rate.
Signed-off-by: Yuchung Cheng <ycheng@google.com>
Acked-by: Neal Cardwell <ncardwell@google.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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With this change now individual drivers can use standard cable
names as below:
static const char *arizona_cable[] = {
extcon_cable_name[EXTCON_USB],
extcon_cable_name[EXTCON_USB_HOST],
"CUSTOM_CABLE"
NULL,
}
Signed-off-by: anish kumar <anish198519851985@gmail.com>
Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/oleg/misc into perf/urgent
Pull various uprobes bugfixes from Oleg Nesterov - mostly race and
failure path fixes.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge misc fixes from Andrew Morton:
"Seven fixes"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (7 patches)
lib/dma-debug.c: fix __hash_bucket_find()
mm: compaction: correct the nr_strict va isolated check for CMA
firmware/memmap: avoid type conflicts with the generic memmap_init()
pidns: remove recursion from free_pid_ns()
drivers/video/backlight/lm3639_bl.c: return proper error in lm3639_bled_mode_store() error paths
kernel/sys.c: fix stack memory content leak via UNAME26
linux/coredump.h needs asm/siginfo.h
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free_pid_ns() operates in a recursive fashion:
free_pid_ns(parent)
put_pid_ns(parent)
kref_put(&ns->kref, free_pid_ns);
free_pid_ns
thus if there was a huge nesting of namespaces the userspace may trigger
avalanche calling of free_pid_ns leading to kernel stack exhausting and a
panic eventually.
This patch turns the recursion into an iterative loop.
Based on a patch by Andrew Vagin.
[akpm@linux-foundation.org: export put_pid_ns() to modules]
Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Cc: Andrew Vagin <avagin@openvz.org>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Pavel Emelyanov <xemul@parallels.com>
Cc: Greg KH <greg@kroah.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Commit 5ab1c309b344 ("coredump: pass siginfo_t* to do_coredump() and
below, not merely signr") added siginfo_t to linux/coredump.h but forgot
to include asm/siginfo.h. This breaks the build for UML/i386. (And any
other arch where asm/siginfo.h is not magically preincluded...)
In file included from arch/x86/um/elfcore.c:2:0: include/linux/coredump.h:15:25: error: unknown type name 'siginfo_t'
make[1]: *** [arch/x86/um/elfcore.o] Error 1
Signed-off-by: Richard Weinberger <richard@nod.at>
Cc: Denys Vlasenko <vda.linux@googlemail.com>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Amerigo Wang <amwang@redhat.com>
Cc: "Jonathan M. Foote" <jmfoote@cert.org>
Cc: Roland McGrath <roland@hack.frob.com>
Cc: Pedro Alves <palves@redhat.com>
Cc: Fengguang Wu <fengguang.wu@intel.com>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull TTY fixes from Greg Kroah-Hartman:
"Here are some tty and serial driver fixes for your 3.7-rc1 tree.
Again, the UABI header file fixes, and a number of build and runtime
serial driver bugfixes that solve problems people have been reporting
(the staging driver is a tty driver, hence the fixes coming in through
this tree.)
All of these have been in the linux-next tree for a while.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>"
* tag 'tty-3.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
staging: dgrp: check return value of alloc_tty_driver
staging: dgrp: check for NULL pointer in (un)register_proc_table
serial/8250_hp300: Missing 8250 register interface conversion bits
UAPI: (Scripted) Disintegrate include/linux/hsi
tty: serial: sccnxp: Fix bug with unterminated platform_id list
staging: serial: dgrp: Add missing #include <linux/uaccess.h>
serial: sccnxp: Allows the driver to be compiled as a module
tty: Fix bogus "callbacks suppressed" messages
net, TTY: initialize tty->driver_data before usage
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg Kroah-Hartman:
"Here are the USB patches against your 3.7-rc1 tree.
There are the usual UABI header file movements, and we finally are now
able to remove the dbg() macro that is over 15 years old (that had to
wait for after some other trees got merged into yours during the big
3.7-rc1 merge window.)
Other than that, nothing major, just a number of bugfixes and new
device ids. It turns out that almost all of the usb-serial drivers
had bugs in how they were handling their internal data, leaking
memory, hence all of those fixups.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>"
* tag 'usb-3.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (42 commits)
USB: option: add more ZTE devices
USB: option: blacklist net interface on ZTE devices
usb: host: xhci: New system added for Compliance Mode Patch on SN65LVPE502CP
USB: io_ti: fix sysfs-attribute creation
USB: iuu_phoenix: fix sysfs-attribute creation
USB: spcp8x5: fix port-data memory leak
USB: ssu100: fix port-data memory leak
USB: ti_usb_3410_5052: fix port-data memory leak
USB: oti6858: fix port-data memory leak
USB: iuu_phoenix: fix port-data memory leak
USB: kl5kusb105: fix port-data memory leak
USB: io_ti: fix port-data memory leak
USB: keyspan_pda: fix port-data memory leak
USB: f81232: fix port-data memory leak
USB: io_edgeport: fix port-data memory leak
USB: kobil_sct: fix port-data memory leak
USB: cypress_m8: fix port-data memory leak
usb: acm: fix the computation of the number of data bits
usb: Missing dma_mask in ehci-vt8500.c when probed from device-tree
usb: Missing dma_mask in uhci-platform.c when probed from device-tree
...
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Some datasheets use a different unit to specify the channel scale than what IIO
expects it to be. This patch adds two helper macros which allow to convert units
commonly used in datasheets to IIO units:
* acceleration: g -> meter / second**2
* angular velocity: degree (/ second) -> rad (/ second)
This makes it much more convenient to specify and also easier to verify a
channel's scale attribute.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media fixes from Mauro Carvalho Chehab:
"Media fixes for:
- one Kconfig fix patch;
- one patch fixing DocBook breakage due to the drivers/media UAPI
changes;
- the remaining UAPI media changes (DVB API).
I'm aware that is is a little late for the UAPI renames for the DVB
API, but IMHO, it is better to merge it for 3.7, due to two reasons:
1) There is a major rename at 3.7 (not only uapi changes, but also
the entire media drivers were reorganized on 3.7, in order to
simplify the Kconfig logic, and easy drivers selection, especially
for hybrid devices). By confining all those renames there at 3.7
it will cause all the harm at for media developers on just one
shot. Stable backports upstream and at distros will likely
welcome it as well, as they won't need to check what changed on
3.7 and what was postponed for on 3.8.
2) The V4L2 DocBook Makefile creates a cross-reference between the
media API headers and the specs. This helps us _a_lot_ to be sure
that all API improvements are properly documented. Every time a
header changes from one place to another, DocBook/media/Makefile
needs to be patched. Currently, the DocBook breakage patch
depends on the DVB UAPI."
* 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media:
[media] Kconfig: Fix dependencies for driver autoselect options
DocBook/media/Makefile: Fix build due to uapi breakage
UAPI: (Scripted) Disintegrate include/linux/dvb
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Pull DeviceTree fixes from Rob Herring:
"A handful of fixes:
- a fix for dtc from upstream
- sparse fixes in DeviceTree code
- stub of_get_child_by_name for !OF builds"
* tag 'dt-fixes-for-3.7' of git://sources.calxeda.com/kernel/linux:
dtc: fix for_each_*() to skip first object if deleted
of/platform: sparse fix
of/irq: sparse fixes
of/address: sparse fixes
of: add stub of_get_child_by_name for non-OF builds
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git://git.infradead.org/users/dhowells/linux-headers into tty-linus
UAPI Disintegration 2012-10-09
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drivers/of/irq.c:195:57: warning: restricted __be32 degrades to integer
drivers/of/irq.c:196:51: warning: restricted __be32 degrades to integer
drivers/of/irq.c:199:57: warning: restricted __be32 degrades to integer
drivers/of/irq.c:201:58: warning: restricted __be32 degrades to integer
drivers/of/irq.c:470:37: warning: incorrect type in assignment (different modifiers)
drivers/of/irq.c:470:37: expected int ( *[usertype] irq_init_cb )( ... )
drivers/of/irq.c:470:37: got void const *const data
drivers/of/irq.c:96:5: error: symbol 'of_irq_map_raw' redeclared with different type (originally declared at include/linux/of_irq.h:61) - incompatible argument 2 (different base types)
drivers/of/of_pci_irq.c:91:40: warning: incorrect type in argument 2 (different base types)
drivers/of/of_pci_irq.c:91:40: expected unsigned int const [usertype] *intspec
drivers/of/of_pci_irq.c:91:40: got restricted __be32 *<noident>
drivers/of/of_pci_irq.c:91:53: warning: incorrect type in argument 4 (different base types)
drivers/of/of_pci_irq.c:91:53: expected unsigned int const [usertype] *addr
drivers/of/of_pci_irq.c:91:53: got restricted __be32 *<noident>
Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
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drivers/of/address.c:66:29: warning: incorrect type in argument 1 (different base types)
drivers/of/address.c:66:29: expected restricted __be32 const [usertype] *cell
drivers/of/address.c:66:29: got unsigned int [usertype] *addr
drivers/of/address.c:87:32: warning: incorrect type in argument 1 (different base types)
drivers/of/address.c:87:32: expected restricted __be32 const [usertype] *cell
drivers/of/address.c:87:32: got unsigned int [usertype] *addr
drivers/of/address.c:91:30: warning: incorrect type in assignment (different base types)
drivers/of/address.c:91:30: expected unsigned int [unsigned] [usertype] <noident>
drivers/of/address.c:91:30: got restricted __be32 [usertype] <noident>
drivers/of/address.c:92:22: warning: incorrect type in assignment (different base types)
drivers/of/address.c:92:22: expected unsigned int [unsigned] [usertype] <noident>
drivers/of/address.c:92:22: got restricted __be32 [usertype] <noident>
drivers/of/address.c:147:35: warning: incorrect type in argument 1 (different base types)
drivers/of/address.c:147:35: expected restricted __be32 const [usertype] *addr
drivers/of/address.c:147:35: got unsigned int [usertype] *addr
drivers/of/address.c:157:34: warning: incorrect type in argument 1 (different base types)
drivers/of/address.c:157:34: expected restricted __be32 const [usertype] *cell
drivers/of/address.c:157:34: got unsigned int [usertype] *
drivers/of/address.c:256:29: warning: restricted __be32 degrades to integer
drivers/of/address.c:256:36: warning: restricted __be32 degrades to integer
drivers/of/address.c:262:34: warning: incorrect type in argument 1 (different base types)
drivers/of/address.c:262:34: expected restricted __be32 const [usertype] *cell
drivers/of/address.c:262:34: got unsigned int [usertype] *
drivers/of/address.c:372:41: warning: incorrect type in argument 1 (different base types)
drivers/of/address.c:372:41: expected restricted __be32 const [usertype] *cell
drivers/of/address.c:372:41: got unsigned int [usertype] *addr
drivers/of/address.c:395:53: warning: incorrect type in argument 2 (different base types)
drivers/of/address.c:395:53: expected restricted __be32 const [usertype] *addr
drivers/of/address.c:395:53: got unsigned int [usertype] *addr
drivers/of/address.c:443:50: warning: incorrect type in argument 2 (different base types)
drivers/of/address.c:443:50: expected restricted __be32 const [usertype] *addr
drivers/of/address.c:443:50: got unsigned int *<noident>
drivers/of/address.c:455:49: warning: incorrect type in argument 1 (different base types)
drivers/of/address.c:455:49: expected restricted __be32 const [usertype] *cell
drivers/of/address.c:455:49: got unsigned int *<noident>
drivers/of/address.c:480:60: warning: incorrect type in argument 2 (different base types)
drivers/of/address.c:480:60: expected restricted __be32 const [usertype] *addr
drivers/of/address.c:480:60: got unsigned int *<noident>
drivers/of/address.c:412:5: warning: symbol '__of_translate_address' was not declared. Should it be static?
drivers/of/address.c:520:14: error: symbol 'of_get_address' redeclared with different type (originally declared at include/linux/of_address.h:22) - different base types
Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
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Fixes build error on s3c6400_defconfig, introduced by commit
06455bbcab76e5f5225de5f38ab948d37a1c3587, "dt/s3c64xx/spi: Use
of_get_child_by_name to get a named child".
drivers/spi/spi-s3c64xx.c: In function 's3c64xx_get_slave_ctrldata':
drivers/spi/spi-s3c64xx.c:838:2: error: implicit declaration of function
'of_get_child_by_name' [-Werror=implicit-function-declaration]
Signed-off-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
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There are no users of this macro anymore in the kernel tree, so finally
delete it.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Michael Kerrisk <mtk.manpages@gmail.com>
Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Acked-by: Dave Jones <davej@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Remove non-UAPI Kbuild files that have become empty as a result of UAPI
disintegration. They used to have only header-y lines in them and those have
now moved to the Kbuild files in the corresponding uapi/ directories.
Possibly these should not be removed but rather have a comment inserted to say
they are intentionally left blank. This would make it easier to add generated
header lines in future without having to restore the infrastructure.
Note that at this point not all the UAPI disintegration parts have been merged,
so it is likely that more empty Kbuild files will turn up.
It is probably necessary to make the files non-empty to prevent the patch
program from automatically deleting them when it reduces them to nothing.
Signed-off-by: David Howells <dhowells@redhat.com>
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Remove empty conditionals from include/linux/Kbuild as the contents, with new
conditionals, have moved to include/uapi/linux/Kbuild.
Signed-off-by: David Howells <dhowells@redhat.com>
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Delete soon-obsolete e-mail address.
Signed-off-by: Aaro Koskinen <aaro.koskinen@nokia.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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Merge emailed FRV fixes from David Howells.
* frv:
FRV: Fix linux/elf-fdpic.h
FRV: Fix const sections change
FRV: Fix incorrect symbol in copy_thread()
FRV: Fix VLIW packing constraint violation in entry.S
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It seems I accidentally switched the guard on linux/elf-fdpic.h from #ifdef
__KERNEL__ to #ifndef __KERNEL__ when attempting to expand the guarded region
to cover the elf_fdpic_params struct when doing the UAPI split - with the
result that the struct became unavailable to kernel code.
Move incorrectly guarded bits back to the kernelspace header.
Whilst we're at it, the __KERNEL__ guards can be deleted as they're no longer
necessary.
Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Reported-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: David Howells <dhowells@redhat.com>
cc: Fengguang Wu <fengguang.wu@intel.com>
cc: Lars-Peter Clausen <lars@metafoo.de>
cc: uclinux-dev@uclinux.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Had not been used for more than a decade and half; it used
to be a part of (in-kernel) ->select() API and it has been pining
for fjords since 2.1.23pre1. This is an ex-parrot...
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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There are some bits of linux/fs.h which are only used within the kernel and
shouldn't be in the UAPI. Move these from uapi/linux/fs.h into linux/fs.h.
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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git://git.infradead.org/users/dhowells/linux-headers into for-next
UAPI Disintegration 2012-10-09
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This syncs up the tty-linus branch to the latest in Linus's tree to get all of
the UAPI stuff needed for the next set of patches to merge.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Sync up to a known-good point in Linus's tree to build on.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux
Pull module signing support from Rusty Russell:
"module signing is the highlight, but it's an all-over David Howells frenzy..."
Hmm "Magrathea: Glacier signing key". Somebody has been reading too much HHGTTG.
* 'modules-next' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux: (37 commits)
X.509: Fix indefinite length element skip error handling
X.509: Convert some printk calls to pr_devel
asymmetric keys: fix printk format warning
MODSIGN: Fix 32-bit overflow in X.509 certificate validity date checking
MODSIGN: Make mrproper should remove generated files.
MODSIGN: Use utf8 strings in signer's name in autogenerated X.509 certs
MODSIGN: Use the same digest for the autogen key sig as for the module sig
MODSIGN: Sign modules during the build process
MODSIGN: Provide a script for generating a key ID from an X.509 cert
MODSIGN: Implement module signature checking
MODSIGN: Provide module signing public keys to the kernel
MODSIGN: Automatically generate module signing keys if missing
MODSIGN: Provide Kconfig options
MODSIGN: Provide gitignore and make clean rules for extra files
MODSIGN: Add FIPS policy
module: signature checking hook
X.509: Add a crypto key parser for binary (DER) X.509 certificates
MPILIB: Provide a function to read raw data into an MPI
X.509: Add an ASN.1 decoder
X.509: Add simple ASN.1 grammar compiler
...
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git://git.infradead.org/users/dhowells/linux-headers into usb-linus
UAPI Disintegration 2012-10-09
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git://git.infradead.org/users/dhowells/linux-headers
Pull UAPI disintegration for include/linux/{,byteorder/}*.h from David Howells:
"The patches contained herein do the following:
(1) Remove kernel-only stuff in linux/ppp-comp.h from the UAPI. I checked
this with Paul Mackerras before I created the patch and he suggested some
extra bits to unexport.
(2) Remove linux/blk_types.h entirely from the UAPI as none of it is userspace
applicable, and remove from the UAPI that part of linux/fs.h that was the
reason for linux/blk_types.h being exported in the first place. I
discussed this with Jens Axboe before creating the patch.
(3) The big patch of the series to disintegrate include/linux/*.h as a unit.
This could be split up, though there would be collisions in moving stuff
between the two Kbuild files when the parts are merged as that file is
sorted alphabetically rather than being grouped by subsystem.
Of this set of headers, 17 files have changed in the UAPI exported region
since the 4th and only 8 since the 9th so there isn't much change in this
area - as one might expect.
It should be pretty obvious and straightforward if it does come to fixing
up: stuff in __KERNEL__ guards stays where it is and stuff outside moves
to the same file in the include/uapi/linux/ directory.
If a new file appears then things get a bit more complicated as the
"headers +=" line has to move to include/uapi/linux/Kbuild. Only one new
file has appeared since the 9th and I judge this type of event relatively
unlikely.
(4) A patch to disintegrate include/linux/byteorder/*.h as a unit.
Signed-off-by: David Howells <dhowells@redhat.com>"
* tag 'disintegrate-main-20121013' of git://git.infradead.org/users/dhowells/linux-headers:
UAPI: (Scripted) Disintegrate include/linux/byteorder
UAPI: (Scripted) Disintegrate include/linux
UAPI: Unexport linux/blk_types.h
UAPI: Unexport part of linux/ppp-comp.h
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git://git.infradead.org/users/dhowells/linux-headers
Pull spi UAPI disintegration from David Howells:
"This is to complete part of the Userspace API (UAPI) disintegration
for which the preparatory patches were pulled recently. After these
patches, userspace headers will be segregated into:
include/uapi/linux/.../foo.h
for the userspace interface stuff, and:
include/linux/.../foo.h
for the strictly kernel internal stuff.
Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Grant Likely <grant.likely@secretlab.ca>"
* tag 'disintegrate-spi-20121009' of git://git.infradead.org/users/dhowells/linux-headers:
UAPI: (Scripted) Disintegrate include/linux/spi
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