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Right now the Makefile for the mpt3sas driver does not even allow the
driver to be built into the kernel. So fix that up, as there doesn't
seem to be any obvious reason why this shouldn't be done.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Sreekanth Reddy <Sreekanth.Reddy@lsi.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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This fixes an issue seen with devices getting marked offline
in a scenario where a VIOS was getting rebooted while a
client VFC adapter is in SCSI EH and prevents unnecessary
EH escalation in some scenarios.
Signed-off-by: Brian King <brking@linux.vnet.ibm.com>
Acked-by: Robert Jennings <rcj@linux.vnet.ibm.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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The hypervisor is big endian, so little endian kernel builds need
to byteswap.
[jejb: fix checkpatch errors]
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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Reported-by: Dave Jones <davej@redhat.com>
Signed-off-by: Bradley Grove <bgrove@attotech.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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Pull Tile arch updates from Chris Metcalf:
"These changes bring in a bunch of new functionality that has been
maintained internally at Tilera over the last year, plus other stray
bits of work that I've taken into the tile tree from other folks.
The changes include some PCI root complex work, interrupt-driven
console support, support for performing fast-path unaligned data
fixups by kernel-based JIT code generation, CONFIG_PREEMPT support,
vDSO support for gettimeofday(), a serial driver for the tilegx
on-chip UART, KGDB support, more optimized string routines, support
for ftrace and kprobes, improved ASLR, and many bug fixes.
We also remove support for the old TILE64 chip, which is no longer
buildable"
* git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile: (85 commits)
tile: refresh tile defconfig files
tile: rework <asm/cmpxchg.h>
tile PCI RC: make default consistent DMA mask 32-bit
tile: add null check for kzalloc in tile/kernel/setup.c
tile: make __write_once a synonym for __read_mostly
tile: remove support for TILE64
tile: use asm-generic/bitops/builtin-*.h
tile: eliminate no-op "noatomichash" boot argument
tile: use standard tile_bundle_bits type in traps.c
tile: simplify code referencing hypervisor API addresses
tile: change <asm/system.h> to <asm/switch_to.h> in comments
tile: mark pcibios_init() as __init
tile: check for correct compiler earlier in asm-offsets.c
tile: use standard 'generic-y' model for <asm/hw_irq.h>
tile: use asm-generic version of <asm/local64.h>
tile PCI RC: add comment about "PCI hole" problem
tile: remove DEBUG_EXTRA_FLAGS kernel config option
tile: add virt_to_kpte() API and clean up and document behavior
tile: support FRAME_POINTER
tile: support reporting Tilera hypervisor statistics
...
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Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Bradley Grove <bgrove@attotech.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Bradley Grove <bgrove@attotech.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Bradley Grove <bgrove@attotech.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Bradley Grove <bgrove@attotech.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/cmarinas/linux-aarch64
Pull ARM64 update from Catalin Marinas:
- User tagged pointers support (top 8-bit of user pointers
automatically ignored by the CPU).
- Kernel mode NEON (no users for arm64 yet but work in progress).
- arm64 kernel Image header extended to accommodate future EFI stub.
- Remove BogoMIPS reporting (not relevant, it's just the timer
frequency).
- Clean-up (EM_AARCH64/EM_ARM to elf-em.h, ELF notes in read-only
segment, unused variable).
- Bug-fixes (RAM boundaries not 2MB aligned, perf, includes).
* tag 'arm64-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/cmarinas/linux-aarch64:
Documentation/arm64: clarify requirements for DTB placement
arm64: mm: permit use of tagged pointers at EL0
Move the EM_ARM and EM_AARCH64 definitions to uapi/linux/elf-em.h
arm64: Remove unused cpu_name ascii in arch/arm64/mm/proc.S
arm64: delay: don't bother reporting bogomips in /proc/cpuinfo
arm64: Fix mapping of memory banks not ending on a PMD_SIZE boundary
arm64: move elf notes into readonly segment
arm64: Enable interrupts in the EL0 undef handler
arm64: Expand arm64 image header
ARM64: include: asm: include "asm/types.h" in "pgtable-2level-types.h" and "pgtable-3level-types.h"
arm64: add support for kernel mode NEON
arm64: perf: fix ARMv8 EVTYPE_MASK to include NSH bit
arm64: perf: fix group validation when using enable_on_exec
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Pull Microblaze patches from Michal Simek:
- PCI fixes
- Selfmod code removing
- Intc and timer fixes
- Adding new MB versions
- Minor fixes
* tag 'microblaze-3.12-rc1' of git://git.monstr.eu/linux-2.6-microblaze:
microblaze: Show message when reset gpio is not present
microblaze: Add linux.bin.ub target
microblaze: Add PVR version string for MB v9.0 and v9.1
microblaze: timer: Replace microblaze_ prefix by xilinx_
microblaze: timer: Update header
microblaze: timer: Remove unused header
microblaze: timer: Clear driver init function
microblaze: timer: Use CLKSRC_OF initialization
microblaze: intc: Remove unused header
microblaze: intc: Clean driver init function
microblaze: intc: Using irqchip
microblaze: intc: Update header
microblaze: intc: Remove unused headers
microblaze: Remove selfmodified feature
of/pci: Use of_pci_range_parser
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git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
Pull powerpc updates from Ben Herrenschmidt:
"Here's the powerpc batch for this merge window. Some of the
highlights are:
- A bunch of endian fixes ! We don't have full LE support yet in that
release but this contains a lot of fixes all over arch/powerpc to
use the proper accessors, call the firmware with the right endian
mode, etc...
- A few updates to our "powernv" platform (non-virtualized, the one
to run KVM on), among other, support for bridging the P8 LPC bus
for UARTs, support and some EEH fixes.
- Some mpc51xx clock API cleanups in preparation for a clock API
overhaul
- A pile of cleanups of our old math emulation code, including better
support for using it to emulate optional FP instructions on
embedded chips that otherwise have a HW FPU.
- Some infrastructure in selftest, for powerpc now, but could be
generalized, initially used by some tests for our perf instruction
counting code.
- A pile of fixes for hotplug on pseries (that was seriously
bitrotting)
- The usual slew of freescale embedded updates, new boards, 64-bit
hiberation support, e6500 core PMU support, etc..."
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: (146 commits)
powerpc: Correct FSCR bit definitions
powerpc/xmon: Fix printing of set of CPUs in xmon
powerpc/pseries: Move lparcfg.c to platforms/pseries
powerpc/powernv: Return secondary CPUs to firmware on kexec
powerpc/btext: Fix CONFIG_PPC_EARLY_DEBUG_BOOTX on ppc32
powerpc: Cleanup handling of the DSCR bit in the FSCR register
powerpc/pseries: Child nodes are not detached by dlpar_detach_node
powerpc/pseries: Add mising of_node_put in delete_dt_node
powerpc/pseries: Make dlpar_configure_connector parent node aware
powerpc/pseries: Do all node initialization in dlpar_parse_cc_node
powerpc/pseries: Fix parsing of initial node path in update_dt_node
powerpc/pseries: Pack update_props_workarea to map correctly to rtas buffer header
powerpc/pseries: Fix over writing of rtas return code in update_dt_node
powerpc/pseries: Fix creation of loop in device node property list
powerpc: Skip emulating & leave interrupts off for kernel program checks
powerpc: Add more exception trampolines for hypervisor exceptions
powerpc: Fix location and rename exception trampolines
powerpc: Add more trap names to xmon
powerpc/pseries: Add a warning in the case of cross-cpu VPA registration
powerpc: Update the 00-Index in Documentation/powerpc
...
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any bit set
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Bradley Grove <bgrove@attotech.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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The use of current_cpu_type() in cpu_is_noncoherent_r10000() is not preemption-safe.
Use boot_cpu_type() instead to make it preemption-safe.
<log>
/ # insmod mtd_readtest.ko dev=4
mtd_readtest: MTD device: 4
mtd_readtest: MTD device size 996671488, eraseblock size 524288, page size 4096, count of eraseblocks 1901, pages per eraseblock 128, OOB size 224
mtd_readtest: scanning for bad eraseblocks
mtd_readtest: scanned 1901 eraseblocks, 0 are bad
mtd_readtest: testing page read
BUG: using smp_processor_id() in preemptible [00000000] code: insmod/99
caller is mips_dma_sync_single_for_cpu+0x2c/0x128
CPU: 2 PID: 99 Comm: insmod Not tainted 3.10.4 #67
Stack : 00000006 69735f63 00000000 00000000 00000000 00000000 808273d6 00000032
80820000 00000002 8d700000 8de48fa0 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 8d6afb00 8d6afb24 80721f24 807b9927 8012c130
80820000 80721f24 00000002 00000063 8de48fa0 8082333c 807b98e6 8d6afaa0
...
Call Trace:
[<80109984>] show_stack+0x64/0x7c
[<80666230>] dump_stack+0x20/0x2c
[<803a2210>] debug_smp_processor_id+0xe0/0xf0
[<801116f0>] mips_dma_sync_single_for_cpu+0x2c/0x128
[<8043456c>] nand_plat_read_page+0x16c/0x234
[<8042fad4>] nand_do_read_ops+0x194/0x480
[<804301dc>] nand_read+0x50/0x7c
[<804261c8>] part_read+0x70/0xc0
[<804231dc>] mtd_read+0x80/0xe4
[<c0431354>] init_module+0x354/0x6f8 [mtd_readtest]
[<8010057c>] do_one_initcall+0x140/0x1a4
[<80176d7c>] load_module+0x1b5c/0x2258
[<8017752c>] SyS_init_module+0xb4/0xec
[<8010f3fc>] stack_done+0x20/0x44
BUG: using smp_processor_id() in preemptible [00000000] code: insmod/99
</log>
Signed-off-by: Jerin Jacob <jerinjacobk@gmail.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/5800/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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These are based on the current shipping versions of the config files
from Tilera, as synced up to the tip, so are a better starting point
for folks who want a default configuration.
Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
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The macrology in cmpxchg.h was designed to allow arbitrary pointer
and integer values to be passed through the routines. To support
cmpxchg() on 64-bit values on the 32-bit tilepro architecture, we
used the idiom "(typeof(val))(typeof(val-val))". This way, in the
"size 8" branch of the switch, when the underlying cmpxchg routine
returns a 64-bit quantity, we cast it first to a typeof(val-val)
quantity (i.e. size_t if "val" is a pointer) with no warnings about
casting between pointers and integers of different sizes, then cast
onwards to typeof(val), again with no warnings. If val is not a
pointer type, the additional cast is a no-op. We can't replace the
typeof(val-val) cast with (for example) unsigned long, since then if
"val" is really a 64-bit type, we cast away the high bits.
HOWEVER, this fails with current gcc (through 4.7 at least) if "val"
is a pointer to an incomplete type. Unfortunately gcc isn't smart
enough to realize that "val - val" will always be a size_t type
even if it's an incomplete type pointer.
Accordingly, I've reworked the way we handle the casting. We have
given up the ability to use cmpxchg() on 64-bit values on tilepro,
which is OK in the kernel since we should use cmpxchg64() explicitly
on such values anyway. As a result, I can just use simple "unsigned
long" casts internally.
As I reworked it, I realized it would be cleaner to move the
architecture-specific conditionals for cmpxchg and xchg out of the
atomic.h headers and into cmpxchg, and then use the cmpxchg() and
xchg() primitives directly in atomic.h and elsewhere. This allowed
the cmpxchg.h header to stand on its own without relying on the
implicit include of it that is performed by <asm/atomic.h>.
It also allowed collapsing the atomic_xchg/atomic_cmpxchg routines
from atomic_{32,64}.h into atomic.h.
I improved the tests that guard the allowed size of the arguments
to the routines to use a __compiletime_error() test. (By avoiding
the use of BUILD_BUG, I could include cmpxchg.h into bitops.h as
well and use the macros there, which is otherwise impossible due
to include order dependency issues.)
The tilepro _atomic_xxx internal methods were previously set up to
take atomic_t and atomic64_t arguments, which isn't as convenient
with the new model, so I modified them to take int or u64 arguments,
which is consistent with how they used the arguments internally
anyway, so provided some nice simplification there too.
Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
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xtansa allmodbuild fails with:
arch/xtensa/kernel/xtensa_ksyms.c:129:1: error: '_mcount' undeclared here (not in a function)
make[2]: *** [arch/xtensa/kernel/xtensa_ksyms.o] Error 1
make[1]: *** [arch/xtensa/kernel] Error 2
The breakage is due to commit 478ba61af (xtensa: add static function tracer
support) which exports _mcount without declaring it.
Cc: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Chris Zankel <chris@zankel.net>
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The linux-next build bot found a three of warnings, this addresses all of them.
* non-ANSI function declaration of function 'ceph_fscache_register' and
'ceph_fscache_unregister'
* symbol 'ceph_cache_netfs' was not declared, now it's extern in the header.
* warning: "pr_fmt" redefined
Signed-off-by: Milosz Tanski <milosz@adfin.com>
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Previously we would always try to enqueue work even if the filesystem is not
mounted with fscache enabled (or the file has no cookie). In the case of the
filesystem mouned nofsc (but with fscache compiled in) this would lead to a
crash.
Signed-off-by: Milosz Tanski <milosz@adfin.com>
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Previous patch that allowed us to cleanup most of the issues with pages marked
as private_2 when calling ceph_readpages. However, there seams to be a case in
the error case clean up in start read that still trigers this from time to
time. I've only seen this one a couple times.
BUG: Bad page state in process petabucket pfn:335b82
page:ffffea000cd6e080 count:0 mapcount:0 mapping: (null) index:0x0
page flags: 0x200000000001000(private_2)
Call Trace:
[<ffffffff81563442>] dump_stack+0x46/0x58
[<ffffffff8112c7f7>] bad_page+0xc7/0x120
[<ffffffff8112cd9e>] free_pages_prepare+0x10e/0x120
[<ffffffff8112e580>] free_hot_cold_page+0x40/0x160
[<ffffffff81132427>] __put_single_page+0x27/0x30
[<ffffffff81132d95>] put_page+0x25/0x40
[<ffffffffa02cb409>] ceph_readpages+0x2e9/0x6f0 [ceph]
[<ffffffff811313cf>] __do_page_cache_readahead+0x1af/0x260
Signed-off-by: Milosz Tanski <milosz@adfin.com>
Signed-off-by: Sage Weil <sage@inktank.com>
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Previously ceph_readpage_to_fscache did not call if page was marked as cached
before calling fscache_write_page resulting in a BUG inside of fscache.
FS-Cache: Assertion failed
------------[ cut here ]------------
kernel BUG at fs/fscache/page.c:874!
invalid opcode: 0000 [#1] SMP
Call Trace:
[<ffffffffa02e6566>] __ceph_readpage_to_fscache+0x66/0x80 [ceph]
[<ffffffffa02caf84>] readpage_nounlock+0x124/0x210 [ceph]
[<ffffffffa02cb08d>] ceph_readpage+0x1d/0x40 [ceph]
[<ffffffff81126db6>] generic_file_aio_read+0x1f6/0x700
[<ffffffffa02c6fcc>] ceph_aio_read+0x5fc/0xab0 [ceph]
Signed-off-by: Milosz Tanski <milosz@adfin.com>
Signed-off-by: Sage Weil <sage@inktank.com>
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In some cases the ceph readapages code code bails without filling all the pages
already marked by fscache. When we return back to readahead code this causes
a BUG.
Signed-off-by: Milosz Tanski <milosz@adfin.com>
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Adding support for fscache to the Ceph filesystem. This would bring it to on
par with some of the other network filesystems in Linux (like NFS, AFS, etc...)
In order to mount the filesystem with fscache the 'fsc' mount option must be
passed.
Signed-off-by: Milosz Tanski <milosz@adfin.com>
Signed-off-by: Sage Weil <sage@inktank.com>
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Use ccount_freq directly to make the code a little more readable.
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Chris Zankel <chris@zankel.net>
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Commits 925f5532 (xtensa: ccount based clockevent implementation) and e3f43291
(xtensa: ccount based sched_clock) introduced users of ccount_freq. This
variable doesn't exist when CONFIG_XTENSA_CALIBRATE_CCOUNT is disabled. Add
ccount_freq definition in this case.
Reported-by: Chen Gang <gang.chen@asianux.com>
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Chris Zankel <chris@zankel.net>
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-e is not needed to output strings without escape sequences. This breaks
big endian FSF build when the shell is dash, because its builtin echo
doesn't understand '-e' switch and outputs it in the echoed string.
Reported-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Chris Zankel <chris@zankel.net>
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Instead of emulating movsp instruction in the kernel use window
underflow handler to load missing register window and retry failed
movsp.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Chris Zankel <chris@zankel.net>
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Based on the SMP patch by Joe Taylor and subsequent fixes.
Preserve exception table pointer (normally stored in excsave1 SR) as it
cannot be easily restored in SMP environment.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Chris Zankel <chris@zankel.net>
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Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Chris Zankel <chris@zankel.net>
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Check pending signals and rescheduling thread flags with interrupts
disabled, and don't enable them if no flags are set. Call
trace_hardirqs_on after thread flags handling, so that rescheduling is
done and hardirqs tracking flag is updated in the correct task context.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Chris Zankel <chris@zankel.net>
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Patches for Ceph FS-Cache support
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git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
Pull trivial tree from Jiri Kosina:
"The usual trivial updates all over the tree -- mostly typo fixes and
documentation updates"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (52 commits)
doc: Documentation/cputopology.txt fix typo
treewide: Convert retrun typos to return
Fix comment typo for init_cma_reserved_pageblock
Documentation/trace: Correcting and extending tracepoint documentation
mm/hotplug: fix a typo in Documentation/memory-hotplug.txt
power: Documentation: Update s2ram link
doc: fix a typo in Documentation/00-INDEX
Documentation/printk-formats.txt: No casts needed for u64/s64
doc: Fix typo "is is" in Documentations
treewide: Fix printks with 0x%#
zram: doc fixes
Documentation/kmemcheck: update kmemcheck documentation
doc: documentation/hwspinlock.txt fix typo
PM / Hibernate: add section for resume options
doc: filesystems : Fix typo in Documentations/filesystems
scsi/megaraid fixed several typos in comments
ppc: init_32: Fix error typo "CONFIG_START_KERNEL"
treewide: Add __GFP_NOWARN to k.alloc calls with v.alloc fallbacks
page_isolation: Fix a comment typo in test_pages_isolated()
doc: fix a typo about irq affinity
...
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git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid
Pull HID updates from Jiri Kosina:
"Highlights:
- conversion of HID subsystem to use devm-based resource management,
from Benjamin Tissoires
- i2c-hid support for DT bindings, from Benjamin Tissoires
- much improved support for Win8-multitouch devices, from Benjamin
Tissoires
- cleanup of core code using common hidinput_input_event(), from
David Herrmann
- fix for bug in implement() access to the bit stream (causing oops)
that has been present in the code for ages, but devices that are
able to trigger it have started to appear only now, from Jiri
Kosina
- fixes for CVE-2013-2899, CVE-2013-2898, CVE-2013-2896,
CVE-2013-2892, CVE-2013-2888 (all triggerable only by specially
crafted malicious HW devices plugged into the system), from Kees
Cook
- hidraw oops fix, from Manoj Chourasia
- various smaller fixes here and there, support for a bunch of new
devices by various contributors"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid: (53 commits)
HID: MAINTAINERS: add roccat drivers
HID: hid-sensor-hub: change kmalloc + memcpy by kmemdup
HID: hid-sensor-hub: move to devm_kzalloc
HID: hid-sensor-hub: fix indentation accross the code
HID: move HID_REPORT_TYPES closer to the report-definitions
HID: check for NULL field when setting values
HID: picolcd_core: validate output report details
HID: sensor-hub: validate feature report details
HID: ntrig: validate feature report details
HID: pantherlord: validate output report details
HID: hid-wiimote: print small buffers via %*phC
HID: uhid: improve uhid example client
HID: Correct the USB IDs for the new Macbook Air 6
HID: wiimote: add support for Guitar-Hero guitars
HID: wiimote: add support for Guitar-Hero drums
Input: introduce BTN/ABS bits for drums and guitars
HID: battery: don't do DMA from stack
HID: roccat: add support for KonePureOptical v2
HID: picolcd: Prevent NULL pointer dereference on _remove()
HID: usbhid: quirk for N-Trig DuoSense Touch Screen
...
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When Gfx driver reconnects a port and transcoder, the pin amplifier will
be muted. To enable sound, the pin amp need to be unmuted.
This patch
- moves pin amp unmuting from stream preparing to hdmi_setup_audio_infoframe().
So if port:transcoder reconnection happens during stream playback, the ELDV
unsol event can stil trigger pin's amp unmuting when re-setting up audio
info frame.
- remove reading pin amp status before unmuting for speed-up, since pin amp
should always be unmuted.
- rename haswell_verify_pin_D0() to haswell_verify_D0(), since the convertor
power state is also fixed here.
This patch is mostly based on suggestion of David Henningsson.
Cc: David Henningsson <david.henningsson@canonical.com>
Signed-off-by: Mengdong Lin <mengdong.lin@intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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To apply Haswell specific fixings, this patch defines is_haswell() to check
whether a display audio codec is Haswell, to avoid explicitly checking Haswell
vendor ID everywhere.
Signed-off-by: Mengdong Lin <mengdong.lin@intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
Pull ext3, reiserfs, udf & isofs fixes from Jan Kara:
"The contains a bunch of ext3 cleanups and minor improvements, major
reiserfs locking changes which should hopefully fix deadlocks
introduced by BKL removal, and udf/isofs changes to refuse mounting fs
rw instead of mounting it ro automatically which makes eject button
work as expected for all media (see the changelog for why userspace
should be ok with this change)"
* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
jbd: use a single printk for jbd_debug()
reiserfs: locking, release lock around quota operations
reiserfs: locking, handle nested locks properly
reiserfs: locking, push write lock out of xattr code
jbd: relocate assert after state lock in journal_commit_transaction()
udf: Refuse RW mount of the filesystem instead of making it RO
udf: Standardize return values in mount sequence
isofs: Refuse RW mount of the filesystem instead of making it RO
ext3: allow specifying external journal by pathname mount option
jbd: remove unneeded semicolon
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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:
- support inline xattrs
- add sysfs support to control GCs explicitly
- add proc entry to show the current segment usage information
- improve the GC/SSR performance
The other bug fixes are as follows:
- avoid the overflow on status calculation
- fix some error handling routines
- fix inconsistent xattr states after power-off-recovery
- fix incorrect xattr node offset definition
- fix deadlock condition in fsync
- fix the fdatasync routine for power-off-recovery"
* tag 'for-f2fs-3.12' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs: (40 commits)
f2fs: optimize gc for better performance
f2fs: merge more bios of node block writes
f2fs: avoid an overflow during utilization calculation
f2fs: trigger GC when there are prefree segments
f2fs: use strncasecmp() simplify the string comparison
f2fs: fix omitting to update inode page
f2fs: support the inline xattrs
f2fs: add the truncate_xattr_node function
f2fs: introduce __find_xattr for readability
f2fs: reserve the xattr space dynamically
f2fs: add flags for inline xattrs
f2fs: fix error return code in init_f2fs_fs()
f2fs: fix wrong BUG_ON condition
f2fs: fix memory leak when init f2fs filesystem fail
f2fs: fix a compound statement label error
f2fs: avoid writing inode redundantly when creating a file
f2fs: alloc_page() doesn't return an ERR_PTR
f2fs: should cover i_xattr_nid with its xattr node page lock
f2fs: check the free space first in new_node_page
f2fs: clean up the needless end 'return' of void function
...
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In theory the linux cred in a gssproxy reply can include up to
NGROUPS_MAX data, 256K of data. In the common case we expect it to be
shorter. So do as the nfsv3 ACL code does and let the xdr code allocate
the pages as they come in, instead of allocating a lot of pages that
won't typically be used.
Tested-by: Simo Sorce <simo@redhat.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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The reply to a gssproxy can include up to NGROUPS_MAX gid's, which will
take up more than a page. We therefore need to allocate an array of
pages to hold the reply instead of trying to allocate a single huge
buffer.
Tested-by: Simo Sorce <simo@redhat.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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The encoding of linux creds is a bit confusing.
Also: I think in practice it doesn't really matter whether we treat any
of these things as signed or unsigned, but unsigned seems more
straightforward: uid_t/gid_t are unsigned and it simplifies the ngroups
overflow check.
Tested-by: Simo Sorce <simo@redhat.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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We can use the normal coding infrastructure here.
Two minor behavior changes:
- we're assuming no wasted space at the end of the linux cred.
That seems to match gss-proxy's behavior, and I can't see why
it would need to do differently in the future.
- NGROUPS_MAX check added: note groups_alloc doesn't do this,
this is the caller's responsibility.
Tested-by: Simo Sorce <simo@redhat.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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Eliminate the following sparse warnings:
drivers/md/dm-stripe.c:443:12: warning: symbol 'dm_stripe_init' was not declared. Should it be static?
drivers/md/dm-stripe.c:456:6: warning: symbol 'dm_stripe_exit' was not declared. Should it be static?
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
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When coalescing requests into a single READ or WRITE RPC call, and there
is no file locking involved, we don't have to refuse coalescing for
requests where the lock owner information doesn't match.
Reported-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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ASUS TX300 has a built-in speaker in the tablet part and in the dock
part, and the tablet speaker is supposed to be unused while the
machine is docked. The current HD-audio driver, however, doesn't
support the dock speaker, partly because BIOS doesn't set up the pin
for the corresponding output.
But, not only the missing pin config, also the missing unsol event
handling is another issue. Otherwise the automatic switching via
dock/undock won't work.
Through debugging sessions, we found out that the dock speaker pin is
NID 0x1b, and it generates an unsol event at docking/undocking, the
docking state can be inquired via the normal pin detection verb.
Also, it's turned out that GPIO 2 is needed as an amp. So, all
materials are ready to cook.
This patch provides the basic dock speaker support with TX300:
- The dock speaker is turned on/off via "Dock Speaker" mixer mute.
- The dock speaker is automatically muted when docked. This is
independently from the mixer mute switch, just like the headphone
auto-mute function.
The implementation is a bit tricky. Since we want to handle it as a
secondary speaker, we set it up a pin as a speaker with a jack
detection. Then, the fixup function registers the own unsol callback
for this pin because the standard automute can't handle the thing like
a "speaker jack". In the own automute hook, we apply the mute of the
tablet speaker in addition by checking the dock state.
Also, the speaker control names are slightly shuffled because the
generic parser doesn't give good names but blindly assumes a bass
speaker as a secondary speaker.
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=59791
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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This change fixes a problem where a Store operation to an ArgX object
that contained a reference to a field object did not complete the
automatic dereference and then write to the actual field object.
Instead, the object type of the field object was inadvertently changed
to match the type of the source operand. The new behavior will actually
write to the field object (buffer field or field unit), thus matching
the correct ACPI-defined behavior.
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/urgent
Pull perf/urgent fixes from Arnaldo Carvalho de Melo:
* Fix parsing with no sample_id_all bit set, this regression prevents perf
from reading old perf.data files generated in systems where
perf_event_attr.sample_id_all isn't available, from Adrian Hunter.
* Add signal checking to the inner 'perf trace' event processing loop, allowing
faster response to control+C.
* Fix formatting of long symbol names removing the hardcoding of a buffer
size used to format histogram entries, which was truncating the lines.
* Separate progress bar update when processing events, reducing potentially big
overhead in not needed TUI progress bar screen updates, from Jiri Olsa.
* Fix 'perf trace' build in architectures where MAP_32BIT is not defined, from
Kyle McMartin.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Fix the following smatch warning:
emc6w201.c:52:26: warning: symbol 'subfeature' was not declared.
Should it be static?
'enum { } subtype' declares an enum as (global) variable which we don't want.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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w83792d was written by me in 2004, I'd like to update my first name
into my current one to keep consistent, and delete invalid address.
Signed-off-by: Shane Huang <shane.huang@amd.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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This reverts commit 3af9d15c719017feb63fa99f89ac6009a5a3d467, which
causes a build failure:
drivers/mfd/asic3.c:724:2: error: unknown field 'set_pwr' specified in initializer
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