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11170 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Linus Torvalds
|
be9c6d9169 |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Pull networking fixes from David Miller:
"Just a bunch of small fixes and tidy ups:
1) Finish the "busy_poll" renames, from Eliezer Tamir.
2) Fix RCU stalls in IFB driver, from Ding Tianhong.
3) Linearize buffers properly in tun/macvtap zerocopy code.
4) Don't crash on rmmod in vxlan, from Pravin B Shelar.
5) Spinlock used before init in alx driver, from Maarten Lankhorst.
6) A sparse warning fix in bnx2x broke TSO checksums, fix from Dmitry
Kravkov.
7) Dummy and ifb driver load failure paths can oops, fixes from Tan
Xiaojun and Ding Tianhong.
8) Correct MTU calculations in IP tunnels, from Alexander Duyck.
9) Account all TCP retransmits in SNMP stats properly, from Yuchung
Cheng.
10) atl1e and via-rhine do not handle DMA mapping failures properly,
from Neil Horman.
11) Various equal-cost multipath route fixes in ipv6 from Hannes
Frederic Sowa"
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (36 commits)
ipv6: only static routes qualify for equal cost multipathing
via-rhine: fix dma mapping errors
atl1e: fix dma mapping warnings
tcp: account all retransmit failures
usb/net/r815x: fix cast to restricted __le32
usb/net/r8152: fix integer overflow in expression
net: access page->private by using page_private
net: strict_strtoul is obsolete, use kstrtoul instead
drivers/net/ieee802154: don't use devm_pinctrl_get_select_default() in probe
drivers/net/ethernet/cadence: don't use devm_pinctrl_get_select_default() in probe
drivers/net/can/c_can: don't use devm_pinctrl_get_select_default() in probe
net/usb: add relative mii functions for r815x
net/tipc: use %*phC to dump small buffers in hex form
qlcnic: Adding Maintainers.
gre: Fix MTU sizing check for gretap tunnels
pkt_sched: sch_qfq: remove forward declaration of qfq_update_agg_ts
pkt_sched: sch_qfq: improve efficiency of make_eligible
gso: Update tunnel segmentation to support Tx checksum offload
inet: fix spacing in assignment
ifb: fix oops when loading the ifb failed
...
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Linus Torvalds
|
560ae37178 |
Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf fixes from Thomas Gleixner: - fix for do_div() abuse on x86 - locking fix in perf core - a pile of (build) fixes and cleanups in perf tools * 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (27 commits) perf/x86: Fix incorrect use of do_div() in NMI warning perf: Fix perf_lock_task_context() vs RCU perf: Remove WARN_ON_ONCE() check in __perf_event_enable() for valid scenario perf: Clone child context from parent context pmu perf script: Fix broken include in Context.xs perf tools: Fix -ldw/-lelf link test when static linking perf tools: Revert regression in configuration of Python support perf tools: Fix perf version generation perf stat: Fix per-socket output bug for uncore events perf symbols: Fix vdso list searching perf evsel: Fix missing increment in sample parsing perf tools: Update symbol_conf.nr_events when processing attribute events perf tools: Fix new_term() missing free on error path perf tools: Fix parse_events_terms() segfault on error path perf evsel: Fix count parameter to read call in event_format__new perf tools: fix a typo of a Power7 event name perf tools: Fix -x/--exclude-other option for report command perf evlist: Enhance perf_evlist__start_workload() perf record: Remove -f/--force option perf record: Remove -A/--append option ... |
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Michel Lespinasse
|
98d1e64f95 |
mm: remove free_area_cache
Since all architectures have been converted to use vm_unmapped_area(), there is no remaining use for the free_area_cache. Signed-off-by: Michel Lespinasse <walken@google.com> Acked-by: Rik van Riel <riel@redhat.com> Cc: "James E.J. Bottomley" <jejb@parisc-linux.org> Cc: "Luck, Tony" <tony.luck@intel.com> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: David Howells <dhowells@redhat.com> Cc: Helge Deller <deller@gmx.de> Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru> Cc: Matt Turner <mattst88@gmail.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Richard Henderson <rth@twiddle.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Eliezer Tamir
|
64b0dc517e |
net: rename busy poll socket op and globals
Rename LL_SO to BUSY_POLL_SO
Rename sysctl_net_ll_{read,poll} to sysctl_busy_{read,poll}
Fix up users of these variables.
Fix documentation for sysctl.
a patch for the socket.7 man page will follow separately,
because of limitations of my mail setup.
Signed-off-by: Eliezer Tamir <eliezer.tamir@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Linus Torvalds
|
496322bc91 |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
Pull networking updates from David Miller:
"This is a re-do of the net-next pull request for the current merge
window. The only difference from the one I made the other day is that
this has Eliezer's interface renames and the timeout handling changes
made based upon your feedback, as well as a few bug fixes that have
trickeled in.
Highlights:
1) Low latency device polling, eliminating the cost of interrupt
handling and context switches. Allows direct polling of a network
device from socket operations, such as recvmsg() and poll().
Currently ixgbe, mlx4, and bnx2x support this feature.
Full high level description, performance numbers, and design in
commit
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Oleg Nesterov
|
6961ed96f1 |
ptrace/powerpc: revert "hw_breakpoints: Fix racy access to ptrace breakpoints"
This reverts commit |
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Runzhen Wang
|
7e40c92019 |
perf tools: fix a typo of a Power7 event name
In the Power7 PMU guide: https://www.power.org/documentation/commonly-used-metrics-for-performance-analysis/ PM_BRU_MPRED is referred to as PM_BR_MPRED. It fixed the typo by changing the name of the event in kernel and documentation accordingly. This patch changes the ABI, there are some reasons I think it's ok: - It is relatively new interface, specific to the Power7 platform. - No tools that we know of actually use this interface at this point (none are listed near the interface). - Users of this interface (eg oprofile users migrating to perf) would be more used to the "PM_BR_MPRED" rather than "PM_BRU_MPRED". - These are in the ABI/testing at this point rather than ABI/stable, so hoping we have some wiggle room. Signed-off-by: Runzhen Wang <runzhen@linux.vnet.ibm.com> Acked-by: Michael Ellerman <michael@ellerman.id.au> Cc: icycoder@gmail.com Cc: linuxppc-dev@lists.ozlabs.org Cc: Michael Ellerman <michael@ellerman.id.au> Cc: Paul Mackerras <paulus@samba.org> Cc: Runzhen Wang <runzhew@clemson.edu> Cc: Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com> Cc: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com> Link: http://lkml.kernel.org/r/1372407297-6996-2-git-send-email-runzhen@linux.vnet.ibm.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> |
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Linus Torvalds
|
2cb7b5a38c |
irqdomain refactoring for v3.11
This is the long awaited simplification of irqdomain. It gets rid of the different types of irq domains and instead both linear and tree mappings can be supported in a single domain. Doing this removes a lot of special case code and makes irq domains simpler to understand overall. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQIcBAABAgAGBQJR1mnQAAoJEEFnBt12D9kBW7gP/jQpLqFU6PTdsCMX459Ib7fE JGLQWYjAsqVbVT3H8LZYOZl+ItIbXSQVk+wf0mislnOzxtGxNCxZeJdniFK2RWyz sGNm/eEZfp9bvm9jlrPE615QE7U7c9fQ5dqETNS4UMMFFmjgrsY4Z82zYH2/Y/jK YbxFUT6+fep5QaF7lYM7phfrs7FrvnpCoxCio6LO+GgxnMxHSsGJ8L9JcojZ5Qoa MwlSwsMaQrWJ6PNVbB2YrtlMxjHkNpQ7EV7bNF693PjACVpXf3ItpvQ1k6W/ns06 j6Nysj4nbjsTdWOVh5mY7tPfknZUDs38rLT5s+RbfHqySMIGQXp6CzieYaJ+lxV9 YsItyfZE7h3anebjwRv/9XqLNsDM4KmSIJGcnq+QxNSGxO3rXkItWtpCKaqYdWnN wI359rSZ//x2ltFzvB14mZJm2j7r9Hh7gH8M5h8W8YTqCbe3oSES3iRhJqnyPxMX of4PsQaTAicuLwberGdVkKafg9XIsHPoebBzDxssB4nxPrEKIILL4g54x1rV17TZ kBXurd79FhP4gOQxJHf5uEpdxrQ3Cm/PQpD5CG2rZJrrcV7hfP4QMMFHqqbFSIOu 2h4M4fZX2gsDh3RLboGRGn0GckSPTHiO05yeeBriLzMCVGcZ1JMqAxLUSJpH/UYl EzFy9RpwnwLoUPi8jUXE =yJRw -----END PGP SIGNATURE----- Merge tag 'irqdomain-for-linus' of git://git.secretlab.ca/git/linux Pull irqdomain refactoring from Grant Likely: "This is the long awaited simplification of irqdomain. It gets rid of the different types of irq domains and instead both linear and tree mappings can be supported in a single domain. Doing this removes a lot of special case code and makes irq domains simpler to understand overall" * tag 'irqdomain-for-linus' of git://git.secretlab.ca/git/linux: irq: fix checkpatch error irqdomain: Include hwirq number in /proc/interrupts irqdomain: make irq_linear_revmap() a fast path again irqdomain: remove irq_domain_generate_simple() irqdomain: Refactor irq_domain_associate_many() irqdomain: Beef up debugfs output irqdomain: Clean up aftermath of irq_domain refactoring irqdomain: Eliminate revmap type irqdomain: merge linear and tree reverse mappings. irqdomain: Add a name field irqdomain: Replace LEGACY mapping with LINEAR irqdomain: Relax failure path on setting up mappings |
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Linus Torvalds
|
74b9272bbe |
Device tree updates for v3.11
This branch contains the following changes:
- Removal of CONFIG_OF_DEVICE, it is always enabled by CONFIG_OF
- Remove #ifdef from linux/of_platform.h to increase compiler syntax
coverage
- Bug fix for address decoding on Bimini and js2x powerpc platforms.
- miscellaneous binding changes
One note on the above. The binding changes going in from all kinds of
different trees has gotten rather out of hand. I picked up some during
this cycle, but even going though my tree isn't a great fit. Ian
Campbell has prototyped splitting the bindings and .dtb files into a
separate repository. The plan is to migrate to using that sometime in
the next few kernel releases which should get rid of a lot of the churn
on binding docs and .dts files.
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Merge tag 'devicetree-for-linus' of git://git.secretlab.ca/git/linux
Pull device tree updates from Grant Likely:
"This branch contains the following changes:
- Removal of CONFIG_OF_DEVICE, it is always enabled by CONFIG_OF
- Remove #ifdef from linux/of_platform.h to increase compiler syntax
coverage
- Bug fix for address decoding on Bimini and js2x powerpc platforms.
- miscellaneous binding changes
One note on the above. The binding changes going in from all kinds of
different trees has gotten rather out of hand. I picked up some
during this cycle, but even going though my tree isn't a great fit.
Ian Campbell has prototyped splitting the bindings and .dtb files into
a separate repository. The plan is to migrate to using that sometime
in the next few kernel releases which should get rid of a lot of the
churn on binding docs and .dts files"
* tag 'devicetree-for-linus' of git://git.secretlab.ca/git/linux:
of: Fix address decoding on Bimini and js2x machines
of: remove CONFIG_OF_DEVICE
usb: chipidea: depend on CONFIG_OF instead of CONFIG_OF_DEVICE
of: remove of_platform_driver
ibmebus: convert of_platform_driver to platform_driver
driver core: move to_platform_driver to platform_device.h
mfd: DT bindings for the palmas family MFD
ARM: dts: omap3-devkit8000: fix NAND memory binding
of/base: fix typos
of: remove #ifdef from linux/of_platform.h
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Linus Torvalds
|
80cc38b163 |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
Pull trivial tree updates from Jiri Kosina: "The usual stuff from trivial tree" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (34 commits) treewide: relase -> release Documentation/cgroups/memory.txt: fix stat file documentation sysctl/net.txt: delete reference to obsolete 2.4.x kernel spinlock_api_smp.h: fix preprocessor comments treewide: Fix typo in printk doc: device tree: clarify stuff in usage-model.txt. open firmware: "/aliasas" -> "/aliases" md: bcache: Fixed a typo with the word 'arithmetic' irq/generic-chip: fix a few kernel-doc entries frv: Convert use of typedef ctl_table to struct ctl_table sgi: xpc: Convert use of typedef ctl_table to struct ctl_table doc: clk: Fix incorrect wording Documentation/arm/IXP4xx fix a typo Documentation/networking/ieee802154 fix a typo Documentation/DocBook/media/v4l fix a typo Documentation/video4linux/si476x.txt fix a typo Documentation/virtual/kvm/api.txt fix a typo Documentation/early-userspace/README fix a typo Documentation/video4linux/soc-camera.txt fix a typo lguest: fix CONFIG_PAE -> CONFIG_x86_PAE in comment ... |
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Linus Torvalds
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e61aca5158 |
Merge branch 'kconfig-diet' from Dave Hansen
Merge Kconfig menu diet patches from Dave Hansen:
"I think the "Kernel Hacking" menu has gotten a bit out of hand. It is
over 120 lines long on my system with everything enabled and options
are scattered around it haphazardly.
http://sr71.net/~dave/linux/kconfig-horror.png
Let's try to introduce some sanity. This set takes that 120 lines
down to 55 and makes it vastly easier to find some things. It's a
start.
This set stands on its own, but there is plenty of room for follow-up
patches. The arch-specific debug options still end up getting stuck
in the top-level "kernel hacking" menu. OPTIMIZE_INLINING, for
instance, could obviously go in to the "compiler options" menu, but
the fact that it is defined in arch/ in a separate Kconfig file keeps
it on its own for the moment.
The Signed-off-by's in here look funky. I changed employers while
working on this set, so I have signoffs from both email addresses"
* emailed patches from Dave Hansen <dave@sr71.net>:
hang and lockup detection menu
kconfig: consolidate printk options
group locking debugging options
consolidate compilation option configs
consolidate runtime testing configs
order memory debugging Kconfig options
consolidate per-arch stack overflow debugging options
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Dave Hansen
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d1a1dc0be8 |
consolidate per-arch stack overflow debugging options
Original posting: http://lkml.kernel.org/r/20121214184202.F54094D9@kernel.stglabs.ibm.com Several architectures have similar stack debugging config options. They all pretty much do the same thing, some with slightly differing help text. This patch changes the architectures to instead enable a Kconfig boolean, and then use that boolean in the generic Kconfig.debug to present the actual menu option. This removes a bunch of duplication and adds consistency across arches. Signed-off-by: Dave Hansen <dave@linux.vnet.ibm.com> Reviewed-by: H. Peter Anvin <hpa@zytor.com> Reviewed-by: James Hogan <james.hogan@imgtec.com> Acked-by: Chris Metcalf <cmetcalf@tilera.com> [for tile] Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Linus Torvalds
|
65b97fb730 |
Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
Pull powerpc updates from Ben Herrenschmidt:
"This is the powerpc changes for the 3.11 merge window. In addition to
the usual bug fixes and small updates, the main highlights are:
- Support for transparent huge pages by Aneesh Kumar for 64-bit
server processors. This allows the use of 16M pages as transparent
huge pages on kernels compiled with a 64K base page size.
- Base VFIO support for KVM on power by Alexey Kardashevskiy
- Wiring up of our nvram to the pstore infrastructure, including
putting compressed oopses in there by Aruna Balakrishnaiah
- Move, rework and improve our "EEH" (basically PCI error handling
and recovery) infrastructure. It is no longer specific to pseries
but is now usable by the new "powernv" platform as well (no
hypervisor) by Gavin Shan.
- I fixed some bugs in our math-emu instruction decoding and made it
usable to emulate some optional FP instructions on processors with
hard FP that lack them (such as fsqrt on Freescale embedded
processors).
- Support for Power8 "Event Based Branch" facility by Michael
Ellerman. This facility allows what is basically "userspace
interrupts" for performance monitor events.
- A bunch of Transactional Memory vs. Signals bug fixes and HW
breakpoint/watchpoint fixes by Michael Neuling.
And more ... I appologize in advance if I've failed to highlight
something that somebody deemed worth it."
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: (156 commits)
pstore: Add hsize argument in write_buf call of pstore_ftrace_call
powerpc/fsl: add MPIC timer wakeup support
powerpc/mpic: create mpic subsystem object
powerpc/mpic: add global timer support
powerpc/mpic: add irq_set_wake support
powerpc/85xx: enable coreint for all the 64bit boards
powerpc/8xx: Erroneous double irq_eoi() on CPM IRQ in MPC8xx
powerpc/fsl: Enable CONFIG_E1000E in mpc85xx_smp_defconfig
powerpc/mpic: Add get_version API both for internal and external use
powerpc: Handle both new style and old style reserve maps
powerpc/hw_brk: Fix off by one error when validating DAWR region end
powerpc/pseries: Support compression of oops text via pstore
powerpc/pseries: Re-organise the oops compression code
pstore: Pass header size in the pstore write callback
powerpc/powernv: Fix iommu initialization again
powerpc/pseries: Inform the hypervisor we are using EBB regs
powerpc/perf: Add power8 EBB support
powerpc/perf: Core EBB support for 64-bit book3s
powerpc/perf: Drop MMCRA from thread_struct
powerpc/perf: Don't enable if we have zero events
...
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Linus Torvalds
|
7f0ef0267e |
Merge branch 'akpm' (updates from Andrew Morton)
Merge first patch-bomb from Andrew Morton: - various misc bits - I'm been patchmonkeying ocfs2 for a while, as Joel and Mark have been distracted. There has been quite a bit of activity. - About half the MM queue - Some backlight bits - Various lib/ updates - checkpatch updates - zillions more little rtc patches - ptrace - signals - exec - procfs - rapidio - nbd - aoe - pps - memstick - tools/testing/selftests updates * emailed patches from Andrew Morton <akpm@linux-foundation.org>: (445 commits) tools/testing/selftests: don't assume the x bit is set on scripts selftests: add .gitignore for kcmp selftests: fix clean target in kcmp Makefile selftests: add .gitignore for vm selftests: add hugetlbfstest self-test: fix make clean selftests: exit 1 on failure kernel/resource.c: remove the unneeded assignment in function __find_resource aio: fix wrong comment in aio_complete() drivers/w1/slaves/w1_ds2408.c: add magic sequence to disable P0 test mode drivers/memstick/host/r592.c: convert to module_pci_driver drivers/memstick/host/jmb38x_ms: convert to module_pci_driver pps-gpio: add device-tree binding and support drivers/pps/clients/pps-gpio.c: convert to module_platform_driver drivers/pps/clients/pps-gpio.c: convert to devm_* helpers drivers/parport/share.c: use kzalloc Documentation/accounting/getdelays.c: avoid strncpy in accounting tool aoe: update internal version number to v83 aoe: update copyright date aoe: perform I/O completions in parallel ... |
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Linus Torvalds
|
862f001254 |
PCI changes for the v3.11 merge window:
PCI device hotplug
- Add pci_alloc_dev() interface (Gu Zheng)
- Add pci_bus_get()/put() for reference counting (Jiang Liu)
- Fix SR-IOV reference count issues (Jiang Liu)
- Remove unused acpi_pci_roots list (Jiang Liu)
MSI
- Conserve interrupt resources on x86 (Alexander Gordeev)
AER
- Force fatal severity when component has been reset (Betty Dall)
- Reset link below Root Port as well as Downstream Port (Betty Dall)
- Fix "Firmware first" flag setting (Bjorn Helgaas)
- Don't parse HEST for non-PCIe devices (Bjorn Helgaas)
ASPM
- Warn when we can't disable ASPM as driver requests (Bjorn Helgaas)
Miscellaneous
- Add CircuitCo PCI IDs (Darren Hart)
- Add AMD CZ SATA and SMBus PCI IDs (Shane Huang)
- Work around Ivytown NTB BAR size issue (Jon Mason)
- Detect invalid initial BAR values (Kevin Hao)
- Add pcibios_release_device() (Sebastian Ott)
- Fix powerpc & sparc PCI_UNKNOWN power state usage (Bjorn Helgaas)
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Merge tag 'pci-v3.11-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull PCI changes from Bjorn Helgaas:
"PCI device hotplug
- Add pci_alloc_dev() interface (Gu Zheng)
- Add pci_bus_get()/put() for reference counting (Jiang Liu)
- Fix SR-IOV reference count issues (Jiang Liu)
- Remove unused acpi_pci_roots list (Jiang Liu)
MSI
- Conserve interrupt resources on x86 (Alexander Gordeev)
AER
- Force fatal severity when component has been reset (Betty Dall)
- Reset link below Root Port as well as Downstream Port (Betty Dall)
- Fix "Firmware first" flag setting (Bjorn Helgaas)
- Don't parse HEST for non-PCIe devices (Bjorn Helgaas)
ASPM
- Warn when we can't disable ASPM as driver requests (Bjorn Helgaas)
Miscellaneous
- Add CircuitCo PCI IDs (Darren Hart)
- Add AMD CZ SATA and SMBus PCI IDs (Shane Huang)
- Work around Ivytown NTB BAR size issue (Jon Mason)
- Detect invalid initial BAR values (Kevin Hao)
- Add pcibios_release_device() (Sebastian Ott)
- Fix powerpc & sparc PCI_UNKNOWN power state usage (Bjorn Helgaas)"
* tag 'pci-v3.11-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (51 commits)
MAINTAINERS: Add ACPI folks for ACPI-related things under drivers/pci
PCI: Add CircuitCo vendor ID and subsystem ID
PCI: Use pdev->pm_cap instead of pci_find_capability(..,PCI_CAP_ID_PM)
PCI: Return early on allocation failures to unindent mainline code
PCI: Simplify IOV implementation and fix reference count races
PCI: Drop redundant setting of bus->is_added in virtfn_add_bus()
unicore32/PCI: Remove redundant call of pci_bus_add_devices()
m68k/PCI: Remove redundant call of pci_bus_add_devices()
PCI / ACPI / PM: Use correct power state strings in messages
PCI: Fix comment typo for pcie_pme_remove()
PCI: Rename pci_release_bus_bridge_dev() to pci_release_host_bridge_dev()
PCI: Fix refcount issue in pci_create_root_bus() error recovery path
ia64/PCI: Clean up pci_scan_root_bus() usage
PCI/AER: Reset link for devices below Root Port or Downstream Port
ACPI / APEI: Force fatal AER severity when component has been reset
PCI/AER: Remove "extern" from function declarations
PCI/AER: Move AER severity defines to aer.h
PCI/AER: Set dev->__aer_firmware_first only for matching devices
PCI/AER: Factor out HEST device type matching
PCI/AER: Don't parse HEST table for non-PCIe devices
...
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Zhang Yanfei
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427fcd23b5 |
powerpc: Remove savemaxmem parameter setup
saved_max_pfn is used to know the amount of memory that the previous kernel used. And for powerpc, we set saved_max_pfn by passing the kernel commandline parameter "savemaxmem=". The only user of saved_max_pfn in powerpc is read_oldmem interface. Since we have removed read_oldmem, we don't need this parameter anymore. Signed-off-by: Zhang Yanfei <zhangyanfei@cn.fujitsu.com> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Cc: "Eric W. Biederman" <ebiederm@xmission.com> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Dave Hansen <dave@sr71.net> Cc: Fenghua Yu <fenghua.yu@intel.com> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Matt Fleming <matt.fleming@intel.com> Cc: Michael Holzheu <holzheu@linux.vnet.ibm.com> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Tony Luck <tony.luck@intel.com> Cc: Vivek Goyal <vgoyal@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Jiang Liu
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602ddc70ec |
mm/PPC: prepare for killing free_all_bootmem_node()
Prepare for killing free_all_bootmem_node() by using free_all_bootmem(). Signed-off-by: Jiang Liu <jiang.liu@huawei.com> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Alexander Graf <agraf@suse.de> Cc: "Suzuki K. Poulose" <suzuki@in.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Jiang Liu
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369a9d8523 |
mm/ppc: prepare for removing num_physpages and simplify mem_init()
Prepare for removing num_physpages and simplify mem_init(). Signed-off-by: Jiang Liu <jiang.liu@huawei.com> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Jiang Liu
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0c98853473 |
mm: concentrate modification of totalram_pages into the mm core
Concentrate code to modify totalram_pages into the mm core, so the arch memory initialized code doesn't need to take care of it. With these changes applied, only following functions from mm core modify global variable totalram_pages: free_bootmem_late(), free_all_bootmem(), free_all_bootmem_node(), adjust_managed_page_count(). With this patch applied, it will be much more easier for us to keep totalram_pages and zone->managed_pages in consistence. Signed-off-by: Jiang Liu <jiang.liu@huawei.com> Acked-by: David Howells <dhowells@redhat.com> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: "Michael S. Tsirkin" <mst@redhat.com> Cc: <sworddragon2@aol.com> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Chris Metcalf <cmetcalf@tilera.com> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Ingo Molnar <mingo@redhat.com> Cc: Jeremy Fitzhardinge <jeremy@goop.org> Cc: Jianguo Wu <wujianguo@huawei.com> Cc: Joonsoo Kim <js1304@gmail.com> Cc: Kamezawa Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Cc: Marek Szyprowski <m.szyprowski@samsung.com> Cc: Mel Gorman <mel@csn.ul.ie> Cc: Michel Lespinasse <walken@google.com> Cc: Minchan Kim <minchan@kernel.org> Cc: Rik van Riel <riel@redhat.com> Cc: Rusty Russell <rusty@rustcorp.com.au> Cc: Tang Chen <tangchen@cn.fujitsu.com> Cc: Tejun Heo <tj@kernel.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Wen Congyang <wency@cn.fujitsu.com> Cc: Will Deacon <will.deacon@arm.com> Cc: Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com> Cc: Yinghai Lu <yinghai@kernel.org> Cc: Russell King <rmk@arm.linux.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Jiang Liu
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dbe67df4ba |
mm: enhance free_reserved_area() to support poisoning memory with zero
Address more review comments from last round of code review. 1) Enhance free_reserved_area() to support poisoning freed memory with pattern '0'. This could be used to get rid of poison_init_mem() on ARM64. 2) A previous patch has disabled memory poison for initmem on s390 by mistake, so restore to the original behavior. 3) Remove redundant PAGE_ALIGN() when calling free_reserved_area(). Signed-off-by: Jiang Liu <jiang.liu@huawei.com> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: "Michael S. Tsirkin" <mst@redhat.com> Cc: <sworddragon2@aol.com> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Chris Metcalf <cmetcalf@tilera.com> Cc: David Howells <dhowells@redhat.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Jeremy Fitzhardinge <jeremy@goop.org> Cc: Jianguo Wu <wujianguo@huawei.com> Cc: Joonsoo Kim <js1304@gmail.com> Cc: Kamezawa Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Cc: Marek Szyprowski <m.szyprowski@samsung.com> Cc: Mel Gorman <mel@csn.ul.ie> Cc: Michel Lespinasse <walken@google.com> Cc: Minchan Kim <minchan@kernel.org> Cc: Rik van Riel <riel@redhat.com> Cc: Rusty Russell <rusty@rustcorp.com.au> Cc: Tang Chen <tangchen@cn.fujitsu.com> Cc: Tejun Heo <tj@kernel.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Wen Congyang <wency@cn.fujitsu.com> Cc: Will Deacon <will.deacon@arm.com> Cc: Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com> Cc: Yinghai Lu <yinghai@kernel.org> Cc: Russell King <rmk@arm.linux.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Jiang Liu
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11199692d8 |
mm: change signature of free_reserved_area() to fix building warnings
Change signature of free_reserved_area() according to Russell King's
suggestion to fix following build warnings:
arch/arm/mm/init.c: In function 'mem_init':
arch/arm/mm/init.c:603:2: warning: passing argument 1 of 'free_reserved_area' makes integer from pointer without a cast [enabled by default]
free_reserved_area(__va(PHYS_PFN_OFFSET), swapper_pg_dir, 0, NULL);
^
In file included from include/linux/mman.h:4:0,
from arch/arm/mm/init.c:15:
include/linux/mm.h:1301:22: note: expected 'long unsigned int' but argument is of type 'void *'
extern unsigned long free_reserved_area(unsigned long start, unsigned long end,
mm/page_alloc.c: In function 'free_reserved_area':
>> mm/page_alloc.c:5134:3: warning: passing argument 1 of 'virt_to_phys' makes pointer from integer without a cast [enabled by default]
In file included from arch/mips/include/asm/page.h:49:0,
from include/linux/mmzone.h:20,
from include/linux/gfp.h:4,
from include/linux/mm.h:8,
from mm/page_alloc.c:18:
arch/mips/include/asm/io.h:119:29: note: expected 'const volatile void *' but argument is of type 'long unsigned int'
mm/page_alloc.c: In function 'free_area_init_nodes':
mm/page_alloc.c:5030:34: warning: array subscript is below array bounds [-Warray-bounds]
Also address some minor code review comments.
Signed-off-by: Jiang Liu <jiang.liu@huawei.com>
Reported-by: Arnd Bergmann <arnd@arndb.de>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: "Michael S. Tsirkin" <mst@redhat.com>
Cc: <sworddragon2@aol.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Chris Metcalf <cmetcalf@tilera.com>
Cc: David Howells <dhowells@redhat.com>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jeremy Fitzhardinge <jeremy@goop.org>
Cc: Jianguo Wu <wujianguo@huawei.com>
Cc: Joonsoo Kim <js1304@gmail.com>
Cc: Kamezawa Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: Marek Szyprowski <m.szyprowski@samsung.com>
Cc: Mel Gorman <mel@csn.ul.ie>
Cc: Michel Lespinasse <walken@google.com>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Rik van Riel <riel@redhat.com>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Cc: Tang Chen <tangchen@cn.fujitsu.com>
Cc: Tejun Heo <tj@kernel.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Wen Congyang <wency@cn.fujitsu.com>
Cc: Will Deacon <will.deacon@arm.com>
Cc: Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com>
Cc: Yinghai Lu <yinghai@kernel.org>
Cc: Russell King <rmk@arm.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Wanpeng Li
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2415cf12e0 |
mm/hugetlb: use already existing interface huge_page_shift
Use the already existing interface huge_page_shift instead of h->order + PAGE_SHIFT. Signed-off-by: Wanpeng Li <liwanp@linux.vnet.ibm.com> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: David Rientjes <rientjes@google.com> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Reviewed-by: Michal Hocko <mhocko@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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David S. Miller
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0c1072ae02 |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts: drivers/net/ethernet/freescale/fec_main.c drivers/net/ethernet/renesas/sh_eth.c net/ipv4/gre.c The GRE conflict is between a bug fix (kfree_skb --> kfree_skb_list) and the splitting of the gre.c code into seperate files. The FEC conflict was two sets of changes adding ethtool support code in an "!CONFIG_M5272" CPP protected block. Finally the sh_eth.c conflict was between one commit add bits set in the .eesr_err_check mask whilst another commit removed the .tx_error_check member and assignments. Signed-off-by: David S. Miller <davem@davemloft.net> |
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Linus Torvalds
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f991fae5c6 |
Power management and ACPI updates for 3.11-rc1
- Hotplug changes allowing device hot-removal operations to fail gracefully (instead of crashing the kernel) if they cannot be carried out completely. From Rafael J Wysocki and Toshi Kani. - Freezer update from Colin Cross and Mandeep Singh Baines targeted at making the freezing of tasks a bit less heavy weight operation. - cpufreq resume fix from Srivatsa S Bhat for a regression introduced during the 3.10 cycle causing some cpufreq sysfs attributes to return wrong values to user space after resume. - New freqdomain_cpus sysfs attribute for the acpi-cpufreq driver to provide information previously available via related_cpus from Lan Tianyu. - cpufreq fixes and cleanups from Viresh Kumar, Jacob Shin, Heiko Stübner, Xiaoguang Chen, Ezequiel Garcia, Arnd Bergmann, and Tang Yuantian. - Fix for an ACPICA regression causing suspend/resume issues to appear on some systems introduced during the 3.4 development cycle from Lv Zheng. - ACPICA fixes and cleanups from Bob Moore, Tomasz Nowicki, Lv Zheng, Chao Guan, and Zhang Rui. - New cupidle driver for Xilinx Zynq processors from Michal Simek. - cpuidle fixes and cleanups from Daniel Lezcano. - Changes to make suspend/resume work correctly in Xen guests from Konrad Rzeszutek Wilk. - ACPI device power management fixes and cleanups from Fengguang Wu and Rafael J Wysocki. - ACPI documentation updates from Lv Zheng, Aaron Lu and Hanjun Guo. - Fix for the IA-64 issue that was the reason for reverting commit |
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Linus Torvalds
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fe489bf450 |
KVM fixes for 3.11
On the x86 side, there are some optimizations and documentation updates. The big ARM/KVM change for 3.11, support for AArch64, will come through Catalin Marinas's tree. s390 and PPC have misc cleanups and bugfixes. There is a conflict due to "s390/pgtable: fix ipte notify bit" having entered 3.10 through Martin Schwidefsky's s390 tree. This pull request has additional changes on top, so this tree's version is the correct one. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.13 (GNU/Linux) iQIcBAABAgAGBQJR0oU6AAoJEBvWZb6bTYbynnsP/RSUrrHrA8Wu1tqVfAKu+1y5 6OIihqZ9x11/YMaNofAfv86jqxFu0/j7CzMGphNdjzujqKI+Q1tGe7oiVCmKzoG+ UvSctWsz0lpllgBtnnrm5tcfmG6rrddhLtpA7m320+xCVx8KV5P4VfyHZEU+Ho8h ziPmb2mAQ65gBNX6nLHEJ3ITTgad6gt4NNbrKIYpyXuWZQJypzaRqT/vpc4md+Ed dCebMXsL1xgyb98EcnOdrWH1wV30MfucR7IpObOhXnnMKeeltqAQPvaOlKzZh4dK +QfxJfdRZVS0cepcxzx1Q2X3dgjoKQsHq1nlIyz3qu1vhtfaqBlixLZk0SguZ/R9 1S1YqucZiLRO57RD4q0Ak5oxwobu18ZoqJZ6nledNdWwDe8bz/W2wGAeVty19ky0 qstBdM9jnwXrc0qrVgZp3+s5dsx3NAm/KKZBoq4sXiDLd/yBzdEdWIVkIrU3X9wU 3X26wOmBxtsB7so/JR7ciTsQHelmLicnVeXohAEP9CjIJffB81xVXnXs0P0SYuiQ RzbSCwjPzET4JBOaHWT0Dhv0DTS/EaI97KzlN32US3Bn3WiLlS1oDCoPFoaLqd2K LxQMsXS8anAWxFvexfSuUpbJGPnKSidSQoQmJeMGBa9QhmZCht3IL16/Fb641ToN xBohzi49L9FDbpOnTYfz =1zpG -----END PGP SIGNATURE----- Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm Pull KVM fixes from Paolo Bonzini: "On the x86 side, there are some optimizations and documentation updates. The big ARM/KVM change for 3.11, support for AArch64, will come through Catalin Marinas's tree. s390 and PPC have misc cleanups and bugfixes" * tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (87 commits) KVM: PPC: Ignore PIR writes KVM: PPC: Book3S PR: Invalidate SLB entries properly KVM: PPC: Book3S PR: Allow guest to use 1TB segments KVM: PPC: Book3S PR: Don't keep scanning HPTEG after we find a match KVM: PPC: Book3S PR: Fix invalidation of SLB entry 0 on guest entry KVM: PPC: Book3S PR: Fix proto-VSID calculations KVM: PPC: Guard doorbell exception with CONFIG_PPC_DOORBELL KVM: Fix RTC interrupt coalescing tracking kvm: Add a tracepoint write_tsc_offset KVM: MMU: Inform users of mmio generation wraparound KVM: MMU: document fast invalidate all mmio sptes KVM: MMU: document fast invalidate all pages KVM: MMU: document fast page fault KVM: MMU: document mmio page fault KVM: MMU: document write_flooding_count KVM: MMU: document clear_spte_count KVM: MMU: drop kvm_mmu_zap_mmio_sptes KVM: MMU: init kvm generation close to mmio wrap-around value KVM: MMU: add tracepoint for check_mmio_spte KVM: MMU: fast invalidate all mmio sptes ... |
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Linus Torvalds
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92295f632c |
The common clock framework changes for 3.11 include new clock drivers
across several different platforms and architectures, fixes to existing drivers, a MAINTAINERS file fix and improvements to the basic clock types that allow them to be of use to more platforms than before. Only a few fixes to the core framework are included with most all of the changes landing in the various clock drivers themselves. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQIcBAABAgAGBQJR0hFpAAoJEDqPOy9afJhJcr4P/iA83uEGXIncUzFsbCIsKNGl g8yoasz1mpcAng31kK54lasNpFvUYIEBLKWkJBN56h2J5gJ3OKpi7basnQGRykjh +rCg2dV4gKDBQzypdeg5kPxf0YLJ8KrwyngcRm5KA3oxKYtmLHt/M2jmDd3DXP0h dKo2bkR52eQ7E+ij6/MWgUObxWiFnH0C5Lf+L0tGHsRlRvZTV6NMymX2v0sIOCw9 hpsrL+7Hqf/+PBfWBljH0IAiI72I5dGEaJoesdTRWz8qut+duwF+OGlzMZnkclMf XU444HnvCq3bWGP5NYf9ASO4RRA2IGEoN/eDeiVX5hvkAjeUNHVNhkcUk28Xn9vI ZxCxwBXki4wGayiQm4TTgORozmp4i+NwbOuG+s3For1qQU43aA7ppwysFHGXngQa bxXT2pNECLX8WR91vkmEdqeQVm6s++R3zltHFUry1VRjTIs5y18Dt9kR6T16NKKQ ztoegeQQ8SI7HOLd+tR2v19VXH4zoV3NYAdkCKJX+VXFg+4mgJERmXoU350V3d8D wxde7WU4KLO4+1Fngror8wocP8jRRHfhx5jbBVVJ5n6BnF/Mos24g7KI1VPis3Wr XZQibxLW0kZ7/hTHykZCff8D4aNqR4fT/UCKyy2Xw1aR0zkD9ZAQq5oWhL99lsnt cCe9GBP0Lum9Zq9jjMwL =SwMB -----END PGP SIGNATURE----- Merge tag 'clk-for-linus-3.11' of git://git.linaro.org/people/mturquette/linux Pull clock framework updates from Mike Turquette: "The common clock framework changes for 3.11 include new clock drivers across several different platforms and architectures, fixes to existing drivers, a MAINTAINERS file fix and improvements to the basic clock types that allow them to be of use to more platforms than before. Only a few fixes to the core framework are included with most all of the changes landing in the various clock drivers themselves." * tag 'clk-for-linus-3.11' of git://git.linaro.org/people/mturquette/linux: (55 commits) clk: tegra: fix ifdef for tegra_periph_reset_assert inline clk: tegra: provide tegra_periph_reset_assert alternative clk: exynos4: Fix clock aliases for cpufreq related clocks clk: samsung: Add MUX_FA macro to pass flag and alias clk: add support for Rockchip gate clocks clk: vexpress: Make the clock drivers directly available for arm64 clk: vexpress: Use full node name to identify individual clocks clk: tegra: T114: add DFLL DVCO reset control clk: tegra: T114: add DFLL source clocks clk: tegra: T114: add FCPU clock shaper programming, needed by the DFLL clk: gate: add CLK_GATE_HIWORD_MASK clk: divider: add CLK_DIVIDER_HIWORD_MASK flag clk: mux: add CLK_MUX_HIWORD_MASK clk: Always notify whole subtree when reparenting MAINTAINERS: make drivers/clk entry match subdirs clk: honor CLK_GET_RATE_NOCACHE in clk_set_rate clk: use clk_get_rate() for debugfs clk: tegra: Use override bits when needed clk: tegra: override bits for Tegra30 PLLM clk: tegra: override bits for Tegra114 PLLM ... |
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Linus Torvalds
|
790eac5640 |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull second set of VFS changes from Al Viro: "Assorted f_pos race fixes, making do_splice_direct() safe to call with i_mutex on parent, O_TMPFILE support, Jeff's locks.c series, ->d_hash/->d_compare calling conventions changes from Linus, misc stuff all over the place." * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (63 commits) Document ->tmpfile() ext4: ->tmpfile() support vfs: export lseek_execute() to modules lseek_execute() doesn't need an inode passed to it block_dev: switch to fixed_size_llseek() cpqphp_sysfs: switch to fixed_size_llseek() tile-srom: switch to fixed_size_llseek() proc_powerpc: switch to fixed_size_llseek() ubi/cdev: switch to fixed_size_llseek() pci/proc: switch to fixed_size_llseek() isapnp: switch to fixed_size_llseek() lpfc: switch to fixed_size_llseek() locks: give the blocked_hash its own spinlock locks: add a new "lm_owner_key" lock operation locks: turn the blocked_list into a hashtable locks: convert fl_link to a hlist_node locks: avoid taking global lock if possible when waking up blocked waiters locks: protect most of the file_lock handling with i_lock locks: encapsulate the fl_link list handling locks: make "added" in __posix_lock_file a bool ... |
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Linus Torvalds
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e13053f506 |
Merge branch 'sched-mm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull voluntary preemption fixes from Ingo Molnar:
"This tree contains a speedup which is achieved through better
might_sleep()/might_fault() preemption point annotations for uaccess
functions, by Michael S Tsirkin:
1. The only reason uaccess routines might sleep is if they fault.
Make this explicit for all architectures.
2. A voluntary preemption point in uaccess functions means compiler
can't inline them efficiently, this breaks assumptions that they
are very fast and small that e.g. net code seems to make. Remove
this preemption point so behaviour matches with what callers
assume.
3. Accesses (e.g through socket ops) to kernel memory with KERNEL_DS
like net/sunrpc does will never sleep. Remove an unconditinal
might_sleep() in the might_fault() inline in kernel.h (used when
PROVE_LOCKING is not set).
4. Accesses with pagefault_disable() return EFAULT but won't cause
caller to sleep. Check for that and thus avoid might_sleep() when
PROVE_LOCKING is set.
These changes offer a nice speedup for CONFIG_PREEMPT_VOLUNTARY=y
kernels, here's a network bandwidth measurement between a virtual
machine and the host:
before:
incoming: 7122.77 Mb/s
outgoing: 8480.37 Mb/s
after:
incoming: 8619.24 Mb/s [ +21.0% ]
outgoing: 9455.42 Mb/s [ +11.5% ]
I kept these changes in a separate tree, separate from scheduler
changes, because it's a mixed MM and scheduler topic"
* 'sched-mm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
mm, sched: Allow uaccess in atomic with pagefault_disable()
mm, sched: Drop voluntary schedule from might_fault()
x86: uaccess s/might_sleep/might_fault/
tile: uaccess s/might_sleep/might_fault/
powerpc: uaccess s/might_sleep/might_fault/
mn10300: uaccess s/might_sleep/might_fault/
microblaze: uaccess s/might_sleep/might_fault/
m32r: uaccess s/might_sleep/might_fault/
frv: uaccess s/might_sleep/might_fault/
arm64: uaccess s/might_sleep/might_fault/
asm-generic: uaccess s/might_sleep/might_fault/
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Linus Torvalds
|
2d722f6d56 |
Merge branch 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler updates from Ingo Molnar:
"The main changes:
- load-calculation cleanups and improvements, by Alex Shi
- various nohz related tidying up of statisics, by Frederic
Weisbecker
- factor out /proc functions to kernel/sched/proc.c, by Paul
Gortmaker
- simplify the RT policy scheduler, by Kirill Tkhai
- various fixes and cleanups"
* 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (42 commits)
sched/debug: Remove CONFIG_FAIR_GROUP_SCHED mask
sched/debug: Fix formatting of /proc/<PID>/sched
sched: Fix typo in struct sched_avg member description
sched/fair: Fix typo describing flags in enqueue_entity
sched/debug: Add load-tracking statistics to task
sched: Change get_rq_runnable_load() to static and inline
sched/tg: Remove tg.load_weight
sched/cfs_rq: Change atomic64_t removed_load to atomic_long_t
sched/tg: Use 'unsigned long' for load variable in task group
sched: Change cfs_rq load avg to unsigned long
sched: Consider runnable load average in move_tasks()
sched: Compute runnable load avg in cpu_load and cpu_avg_load_per_task
sched: Update cpu load after task_tick
sched: Fix sleep time double accounting in enqueue entity
sched: Set an initial value of runnable avg for new forked task
sched: Move a few runnable tg variables into CONFIG_SMP
Revert "sched: Introduce temporary FAIR_GROUP_SCHED dependency for load-tracking"
sched: Don't mix use of typedef ctl_table and struct ctl_table
sched: Remove WARN_ON(!sd) from init_sched_groups_power()
sched: Fix memory leakage in build_sched_groups()
...
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Linus Torvalds
|
f0bb4c0ab0 |
Merge branch 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf updates from Ingo Molnar:
"Kernel improvements:
- watchdog driver improvements by Li Zefan
- Power7 CPI stack events related improvements by Sukadev Bhattiprolu
- event multiplexing via hrtimers and other improvements by Stephane
Eranian
- kernel stack use optimization by Andrew Hunter
- AMD IOMMU uncore PMU support by Suravee Suthikulpanit
- NMI handling rate-limits by Dave Hansen
- various hw_breakpoint fixes by Oleg Nesterov
- hw_breakpoint overflow period sampling and related signal handling
fixes by Jiri Olsa
- Intel Haswell PMU support by Andi Kleen
Tooling improvements:
- Reset SIGTERM handler in workload child process, fix from David
Ahern.
- Makefile reorganization, prep work for Kconfig patches, from Jiri
Olsa.
- Add automated make test suite, from Jiri Olsa.
- Add --percent-limit option to 'top' and 'report', from Namhyung
Kim.
- Sorting improvements, from Namhyung Kim.
- Expand definition of sysfs format attribute, from Michael Ellerman.
Tooling fixes:
- 'perf tests' fixes from Jiri Olsa.
- Make Power7 CPI stack events available in sysfs, from Sukadev
Bhattiprolu.
- Handle death by SIGTERM in 'perf record', fix from David Ahern.
- Fix printing of perf_event_paranoid message, from David Ahern.
- Handle realloc failures in 'perf kvm', from David Ahern.
- Fix divide by 0 in variance, from David Ahern.
- Save parent pid in thread struct, from David Ahern.
- Handle JITed code in shared memory, from Andi Kleen.
- Fixes for 'perf diff', from Jiri Olsa.
- Remove some unused struct members, from Jiri Olsa.
- Add missing liblk.a dependency for python/perf.so, fix from Jiri
Olsa.
- Respect CROSS_COMPILE in liblk.a, from Rabin Vincent.
- No need to do locking when adding hists in perf report, only 'top'
needs that, from Namhyung Kim.
- Fix alignment of symbol column in in the hists browser (top,
report) when -v is given, from NAmhyung Kim.
- Fix 'perf top' -E option behavior, from Namhyung Kim.
- Fix bug in isupper() and islower(), from Sukadev Bhattiprolu.
- Fix compile errors in bp_signal 'perf test', from Sukadev
Bhattiprolu.
... and more things"
* 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (102 commits)
perf/x86: Disable PEBS-LL in intel_pmu_pebs_disable()
perf/x86: Fix shared register mutual exclusion enforcement
perf/x86/intel: Support full width counting
x86: Add NMI duration tracepoints
perf: Drop sample rate when sampling is too slow
x86: Warn when NMI handlers take large amounts of time
hw_breakpoint: Introduce "struct bp_cpuinfo"
hw_breakpoint: Simplify *register_wide_hw_breakpoint()
hw_breakpoint: Introduce cpumask_of_bp()
hw_breakpoint: Simplify the "weight" usage in toggle_bp_slot() paths
hw_breakpoint: Simplify list/idx mess in toggle_bp_slot() paths
perf/x86/intel: Add mem-loads/stores support for Haswell
perf/x86/intel: Support Haswell/v4 LBR format
perf/x86/intel: Move NMI clearing to end of PMI handler
perf/x86/intel: Add Haswell PEBS support
perf/x86/intel: Add simple Haswell PMU support
perf/x86/intel: Add Haswell PEBS record support
perf/x86/intel: Fix sparse warning
perf/x86/amd: AMD IOMMU Performance Counter PERF uncore PMU implementation
perf/x86/amd: Add IOMMU Performance Counter resource management
...
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Linus Torvalds
|
ab3d681e9d |
Merge branch 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull RCU updates from Ingo Molnar:
"The major changes:
- Simplify RCU's grace-period and callback processing based on the new
numbering for callbacks.
- Removal of TINY_PREEMPT_RCU in favor of TREE_PREEMPT_RCU for
single-CPU low-latency systems.
- SRCU-related changes and fixes.
- Miscellaneous fixes, including converting a few remaining printk()
calls to pr_*().
- Documentation updates"
* 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (32 commits)
rcu: Shrink TINY_RCU by reworking CPU-stall ifdefs
rcu: Shrink TINY_RCU by moving exit_rcu()
rcu: Remove TINY_PREEMPT_RCU tracing documentation
rcu: Consolidate rcutiny_plugin.h ifdefs
rcu: Remove rcu_preempt_note_context_switch()
rcu: Remove the CONFIG_TINY_RCU ifdefs in rcutiny.h
rcu: Remove check_cpu_stall_preempt()
rcu: Simplify RCU_TINY RCU callback invocation
rcu: Remove rcu_preempt_process_callbacks()
rcu: Remove rcu_preempt_remove_callbacks()
rcu: Remove rcu_preempt_check_callbacks()
rcu: Remove show_tiny_preempt_stats()
rcu: Remove TINY_PREEMPT_RCU
powerpc,kvm: fix imbalance srcu_read_[un]lock()
rcu: Remove srcu_read_lock_raw() and srcu_read_unlock_raw().
rcu: Apply Dave Jones's NOCB Kconfig help feedback
rcu: Merge adjacent identical ifdefs
rcu: Drive quiescent-state-forcing delay from HZ
rcu: Remove "Experimental" flags
kthread: Add kworker kthreads to OS-jitter documentation
...
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Linus Torvalds
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0c46d68d19 |
Merge branch 'core-mutexes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull WW mutex support from Ingo Molnar:
"This tree adds support for wound/wait style locks, which the graphics
guys would like to make use of in the TTM graphics subsystem.
Wound/wait mutexes are used when other multiple lock acquisitions of a
similar type can be done in an arbitrary order. The deadlock handling
used here is called wait/wound in the RDBMS literature: The older
tasks waits until it can acquire the contended lock. The younger
tasks needs to back off and drop all the locks it is currently
holding, ie the younger task is wounded.
See this LWN.net description of W/W mutexes:
https://lwn.net/Articles/548909/
The comments there outline specific usecases for this facility (which
have already been implemented for the DRM tree).
Also see Documentation/ww-mutex-design.txt for more details"
* 'core-mutexes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
locking-selftests: Handle unexpected failures more strictly
mutex: Add more w/w tests to test EDEADLK path handling
mutex: Add more tests to lib/locking-selftest.c
mutex: Add w/w tests to lib/locking-selftest.c
mutex: Add w/w mutex slowpath debugging
mutex: Add support for wound/wait style locks
arch: Make __mutex_fastpath_lock_retval return whether fastpath succeeded or not
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Linus Torvalds
|
fc76a258d4 |
Driver core patches for 3.11-rc1
Here's the big driver core merge for 3.11-rc1 Lots of little things, and larger firmware subsystem updates, all described in the shortlog. Nice thing here is that we finally get rid of CONFIG_HOTPLUG, after 10+ years, thanks to Stephen Rohtwell (it had been always on for a number of kernel releases, now it's just removed.) Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.19 (GNU/Linux) iEYEABECAAYFAlHRsGMACgkQMUfUDdst+ylIIACfW8lLxOPVK+iYG699TWEBAkp0 LFEAnjlpAMJ1JnoZCuWDZObNCev93zGB =020+ -----END PGP SIGNATURE----- Merge tag 'driver-core-3.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core Pull driver core updates from Greg KH: "Here's the big driver core merge for 3.11-rc1 Lots of little things, and larger firmware subsystem updates, all described in the shortlog. Nice thing here is that we finally get rid of CONFIG_HOTPLUG, after 10+ years, thanks to Stephen Rohtwell (it had been always on for a number of kernel releases, now it's just removed)" * tag 'driver-core-3.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (27 commits) driver core: device.h: fix doc compilation warnings firmware loader: fix another compile warning with PM_SLEEP unset build some drivers only when compile-testing firmware loader: fix compile warning with PM_SLEEP set kobject: sanitize argument for format string sysfs_notify is only possible on file attributes firmware loader: simplify holding module for request_firmware firmware loader: don't export cache_firmware and uncache_firmware drivers/base: Use attribute groups to create sysfs memory files firmware loader: fix compile warning firmware loader: fix build failure with !CONFIG_FW_LOADER_USER_HELPER Documentation: Updated broken link in HOWTO Finally eradicate CONFIG_HOTPLUG driver core: firmware loader: kill FW_ACTION_NOHOTPLUG requests before suspend driver core: firmware loader: don't cache FW_ACTION_NOHOTPLUG firmware Documentation: Tidy up some drivers/base/core.c kerneldoc content. platform_device: use a macro instead of platform_driver_register firmware: move EXPORT_SYMBOL annotations firmware: Avoid deadlock of usermodehelper lock at shutdown dell_rbu: Select CONFIG_FW_LOADER_USER_HELPER explicitly ... |
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Linus Torvalds
|
0de10f9ea6 |
TTY/Serial merge for 3.11-rc1
Here is the big TTY / Serial driver merge for 3.11-rc1. It's not all that big, nothing major changed in the tty api, which is a nice change, just a number of serial driver fixes and updates and new drivers, along with some n_tty fixes to help resolve some reported issues. All of these have been in the linux-next releases for a while, with the exception of the last revert patch, which was reported this past weekend by two different people as being needed. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.19 (GNU/Linux) iEYEABECAAYFAlHRtNIACgkQMUfUDdst+ymYgwCeKdyv9wRJ5cIWZt7Jz8ou3P/C 76YAoIvMv+fwoFBpyud/sC8eAKGTQ6KB =Sjk6 -----END PGP SIGNATURE----- Merge tag 'tty-3.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty Pull tty/serial updates from Greg KH: "Here is the big TTY / Serial driver merge for 3.11-rc1. It's not all that big, nothing major changed in the tty api, which is a nice change, just a number of serial driver fixes and updates and new drivers, along with some n_tty fixes to help resolve some reported issues. All of these have been in the linux-next releases for a while, with the exception of the last revert patch, which was reported this past weekend by two different people as being needed." * tag 'tty-3.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (51 commits) Revert "serial: 8250_pci: add support for another kind of NetMos Technology PCI 9835 Multi-I/O Controller" pch_uart: Add uart_clk selection for the MinnowBoard tty: atmel_serial: prepare clk before calling enable tty: Reset itty for other pty n_tty: Buffer work should not reschedule itself n_tty: Fix unsafe update of available buffer space n_tty: Untangle read completion variables n_tty: Encapsulate minimum_to_wake within N_TTY serial: omap: Fix device tree based PM runtime serial: imx: Fix serial clock unbalance serial/mpc52xx_uart: fix kernel panic when system reboot serial: mfd: Add sysrq support serial: imx: enable the clocks for console tty: serial: add Freescale lpuart driver support serial: imx: Improve Kconfig text serial: imx: Allow module build serial: imx: Fix warning when !CONFIG_SERIAL_IMX_CONSOLE tty/serial/sirf: fix error propagation in sirfsoc_uart_probe() serial: omap: fix potential NULL pointer dereference in serial_omap_runtime_suspend() tty: serial: Enable uartlite for ARM zynq ... |
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Linus Torvalds
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63580e51bb |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull VFS patches (part 1) from Al Viro: "The major change in this pile is ->readdir() replacement with ->iterate(), dealing with ->f_pos races in ->readdir() instances for good. There's a lot more, but I'd prefer to split the pull request into several stages and this is the first obvious cutoff point." * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (67 commits) [readdir] constify ->actor [readdir] ->readdir() is gone [readdir] convert ecryptfs [readdir] convert coda [readdir] convert ocfs2 [readdir] convert fatfs [readdir] convert xfs [readdir] convert btrfs [readdir] convert hostfs [readdir] convert afs [readdir] convert ncpfs [readdir] convert hfsplus [readdir] convert hfs [readdir] convert befs [readdir] convert cifs [readdir] convert freevxfs [readdir] convert fuse [readdir] convert hpfs reiserfs: switch reiserfs_readdir_dentry to inode reiserfs: is_privroot_deh() needs only directory inode, actually ... |
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Benjamin Herrenschmidt
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7a9cdd95fe |
Merge remote-tracking branch 'agust/next' into next
From Anatolij: "There are small cleanups and fixes for mpc512x common code, mpc512x_defconfig updates and soft reboot support for mpc5125 based boards." |
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Benjamin Herrenschmidt
|
dd8164c1dd |
Merge remote-tracking branch 'scott/next' into next
Merge Freescale updates |
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Dongsheng.wang@freescale.com
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a63b3bc7db |
powerpc/fsl: add MPIC timer wakeup support
The driver provides a way to wake up the system by the MPIC timer. For example, echo 5 > /sys/devices/system/mpic/timer_wakeup echo standby > /sys/power/state After 5 seconds the MPIC timer will generate an interrupt to wake up the system. Signed-off-by: Wang Dongsheng <dongsheng.wang@freescale.com> Signed-off-by: Zhao Chenhui <chenhui.zhao@freescale.com> Signed-off-by: Li Yang <leoli@freescale.com> |
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Dongsheng.wang@freescale.com
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9e6f31a9db |
powerpc/mpic: create mpic subsystem object
Register a mpic subsystem at /sys/devices/system/ Signed-off-by: Wang Dongsheng <dongsheng.wang@freescale.com> Signed-off-by: Scott Wood <scottwood@freescale.com> |
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Dongsheng.wang@freescale.com
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36ca09be6f |
powerpc/mpic: add global timer support
The MPIC global timer is a hardware timer inside the Freescale PIC complying with OpenPIC standard. When the specified interval times out, the hardware timer generates an interrupt. The driver currently is only tested on fsl chip, but it can potentially support other global timers complying to OpenPIC standard. The two independent groups of global timer on fsl chip, group A and group B, are identical in their functionality, except that they appear at different locations within the PIC register map. The hardware timer can be cascaded to create timers larger than the default 31-bit global timers. Timer cascade fields allow configuration of up to two 63-bit timers. But These two groups of timers cannot be cascaded together. It can be used as a wakeup source for low power modes. It also could be used as periodical timer for protocols, drivers and etc. Signed-off-by: Wang Dongsheng <dongsheng.wang@freescale.com> Signed-off-by: Li Yang <leoli@freescale.com> Signed-off-by: Scott Wood <scottwood@freescale.com> |
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Dongsheng.wang@freescale.com
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5ff04b7287 |
powerpc/mpic: add irq_set_wake support
Add irq_set_wake support. Just add IRQF_NO_SUSPEND to desc->action->flag. So the wake up interrupt will not be disable in suspend_device_irqs. Signed-off-by: Wang Dongsheng <dongsheng.wang@freescale.com> Signed-off-by: Scott Wood <scottwood@freescale.com> |
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Kevin Hao
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9837b43c5f |
powerpc/85xx: enable coreint for all the 64bit boards
With the patch
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LEROY Christophe
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7601f59765 |
powerpc/8xx: Erroneous double irq_eoi() on CPM IRQ in MPC8xx
irq_eoi() is already called by generic_handle_irq() so it shall not be called a again Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr> Signed-off-by: Scott Wood <scottwood@freescale.com> |
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Chunhe Lan
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2dd1c132d5 |
powerpc/fsl: Enable CONFIG_E1000E in mpc85xx_smp_defconfig
On the most boards of Freescale platform, they use the PCI-Express Intel(R) PRO/1000 gigabit ethernet card to work. So enable the corresponding driver for it. Signed-off-by: Chunhe Lan <Chunhe.Lan@freescale.com> Signed-off-by: Scott Wood <scottwood@freescale.com> |
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Hongtao Jia
|
86d379690c |
powerpc/mpic: Add get_version API both for internal and external use
MPIC version is useful information for both mpic_alloc() and mpic_init(). The patch provide an API to get MPIC version for reusing the code. Also, some other IP block may need MPIC version for their own use. The API for external use is also provided. Signed-off-by: Jia Hongtao <hongtao.jia@freescale.com> Signed-off-by: Li Yang <leoli@freescale.com> Signed-off-by: Scott Wood <scottwood@freescale.com> |
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Benjamin Herrenschmidt
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c039e3a8dd |
powerpc: Handle both new style and old style reserve maps
When Jeremy introduced the new device-tree based reserve map, he made the code in early_reserve_mem_dt() bail out if it found one, thus not reserving the initrd nor processing the old style map. I hit problems with variants of kexec that didn't put the initrd in the new style map either. While these could/will be fixed, I believe we should be safe here and rather reserve more than not enough. We could have a firmware passing stuff via the new style map, and in the middle, a kexec that knows nothing about it and adding other things to the old style map. I don't see a big issue with processing both and reserving everything that needs to be. memblock_reserve() supports overlaps fine these days. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> |
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Michael Neuling
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e2a800beac |
powerpc/hw_brk: Fix off by one error when validating DAWR region end
The Data Address Watchpoint Register (DAWR) on POWER8 can take a 512 byte range but this range must not cross a 512 byte boundary. Unfortunately we were off by one when calculating the end of the region, hence we were not allowing some breakpoint regions which were actually valid. This fixes this error. Signed-off-by: Michael Neuling <mikey@neuling.org> Reported-by: Edjunior Barbosa Machado <emachado@linux.vnet.ibm.com> Cc: stable@vger.kernel.org # 3.9+ Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> |
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Ingo Molnar
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2fd1b48788 |
Linux 3.10
-----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.19 (GNU/Linux) iQEcBAABAgAGBQJR0K2gAAoJEHm+PkMAQRiGWsEH+gMZSN1qRm34hZ82q1Tx7HvL Eb/Gsl3Qw/7G2TlTqgjBUs36IdqV9O2cui/aa3/TfXvdvrx+0GlhRkEwQPc+ygcO Mvoyoke4tT4+4jVFdCg1J8avREsa28/6oaHs0ZZxuVmJBBLTJH7aXaNsGn6eU1q9 9+p798MQis6naIiPC63somlZcCIiBhsuWCPWpEfLMn8G1HWAFTM3xXIbNBqe/brS bmIOfhomlIZ5dcdaXGvjtP3+KJhkNDwhkPC4tVYu8JqqgSlrE+a+EGyEuuGqKk10 U+swiqyuD31uBI9ga54u/2FzSqDiAu6YOcMXevjo/m3g9XLdYbYLvN+nvN8alCQ= =Ob6Z -----END PGP SIGNATURE----- Merge tag 'v3.10' into sched/core Merge in a recent upstream commit: |
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Aruna Balakrishnaiah
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40847e5660 |
powerpc/pseries: Support compression of oops text via pstore
The patch set supports compression of oops messages while writing to NVRAM, this helps in capturing more of oops data to lnx,oops-log. The pstore file for oops messages will be in decompressed format making it readable. In case compression fails, the patch takes care of copying the header added by pstore and last oops_data_sz bytes of big_oops_buf to NVRAM so that we have recent oops messages in lnx,oops-log. In case decompression fails, it will result in absence of oops file but still have files (in /dev/pstore) for other partitions. Signed-off-by: Aruna Balakrishnaiah <aruna@linux.vnet.ibm.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> |
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Aruna Balakrishnaiah
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fbfe86fc0c |
powerpc/pseries: Re-organise the oops compression code
nvram_compress() and zip_oops() is used by the nvram_pstore_write API to compress oops messages hence re-organise the functions accordingly to avoid forward declarations. Signed-off-by: Aruna Balakrishnaiah <aruna@linux.vnet.ibm.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> |
