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In iscsi_target_init_module() unwind transport protocol registration in case
that iscsit_load_discovery_tpg() failed.
Signed-off-by: Lino Sanfilippo <LinoSanfilippo@gmx.de>
Reviewed-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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tcm_loop has the I_T nexus associated with the HBA. This causes
commands to become misdirected if the HBA has more than one
target portal group; any command is then being sent to the
first target portal group instead of the correct one.
The nexus needs to be associated with the target portal group
instead.
Signed-off-by: Hannes Reinecke <hare@suse.de>
Cc: <stable@vger.kernel.org> # 3.0+
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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Now that PSCSI is only exposing four hw_* read-only device attributes,
go ahead and drop the left-over -> legacy PHBA_PDEV checks in various
se_dev_set_* code, since it's now only used by virtual devices.
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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Now that backend drivers are populating their own device attributes,
go ahead and remove left-over definitions + internal attribute list
of device attributes from target_core_configfs.c code
Also update TB_CIT_SETUP(dev_attrib,...) to signal ct_attr = NULL.
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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This patch converts PSCSI to use an external set of device attributes,
and utilizes target_core_backend_configfs.h macros to generate a default
set of configfs extended-attr handlers.
It calls target_core_setup_sub_cits() to setup the initial config_item_type
based on existing target_core_configfs.c defaults, and using configfs_attribute
for hw_pi_prot_type, hw_block_size, hw_max_sectors, hw_queue_depth populates
pscsi_backend_dev_attrs[]
Only these four hw_* read-only device attributes are exports for PSCSI.
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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This patch converts TCM-USER to use an external set of device attributes,
and utilizes target_core_backend_configfs.h macros to generate a default
set of configfs extended-attr handlers.
It calls target_core_setup_sub_cits() to setup the initial config_item_type
based on existing target_core_configfs.c defaults, and using configfs_attribute
generated by DEF_TB_DEFAULT_ATTRIBS(tcmu) populates tcmu_backend_dev_attrs[]
It introduces no function change for existing TCMU device attributes.
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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This patch converts RAMDISK to use an external set of device attributes,
and utilizes target_core_backend_configfs.h macros to generate a default
set of configfs extended-attr handlers.
It calls target_core_setup_sub_cits() to setup the initial config_item_type
based on existing target_core_configfs.c defaults, and using configfs_attribute
generated by DEF_TB_DEFAULT_ATTRIBS(rc_mcp) populates rd_mcp_backend_dev_attrs[]
It introduces no functional change for existing RD_MCP device attributes.
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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This patch converts FILEIO to use an external set of device attributes,
and utilizes target_core_backend_configfs.h macros to generate a default
set of configfs extended-attr handlers.
It calls target_core_setup_sub_cits() to setup the initial config_item_type
based on existing target_core_configfs.c defaults, and using configfs_attribute
generated by DEF_TB_DEFAULT_ATTRIBS(fileio) populates fileio_backend_dev_attrs[]
It introduces no functional change for existing FILEIO device attributes.
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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This patch converts IBLOCK to use an external set of device attributes,
and utilizes target_core_backend_configfs.h macros to generate a default
set of configfs extended-attr handlers.
It calls target_core_setup_sub_cits() to setup the initial config_item_type
based on existing target_core_configfs.c defaults, and using configfs_attribute
generated by DEF_TB_DEFAULT_ATTRIBS(iblock) populates iblock_backend_dev_attrs[]
It introduces no functional change for existing IBLOCK device attributes.
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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Now that target_core_backend_configfs.h macros will be using these
se_dev_set attribute functions externally to allow backend drivers
to populate different attributes, go ahead and add EXPORT_SYMBOL()
for the existing default set of 30 device attributes.
Also update target_core_backend.h with proper function prototypes.
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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This patch adds support for dev_stat_cit as an external config_item_type
using TB_CIT_SETUP() helper macro, and sets only ct_group_ops following
existing code.
It updates target_core_make_subdev() + target_core_setup_dev_attrib_cit() +
struct target_backend_cits, and drops left-over target_core_dev_stat_cit
from target_core_configfs.c code and update comments.
This patch introduces no functional change from existing code.
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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This patch adds support for dev_alua_tg_pt_gps_cit as an external config_item_type
using TB_CIT_SETUP() helper macro, and sets only ct_group_ops following
existing code.
It updates target_core_make_subdev() + target_core_setup_dev_attrib_cit() +
struct target_backend_cits, and drops left-over target_core_dev_alua_tg_pt_gps_cit
from target_core_configfs.c code and update comments.
This patch introduces no functional change from existing code.
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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This patch adds support for dev_wwn_cit as an external config_item_type
using TB_CIT_SETUP() helper macro, and sets both ct_item_ops + ct_attr
following existing code.
It updates target_core_make_subdev() + target_core_setup_dev_attrib_cit() +
struct target_backend_cits, and drops left-over target_core_dev_wwn_cit
from target_core_configfs.c code and update comments.
This patch introduces no functional change from existing code.
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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This patch adds support for dev_pr_cit as an external config_item_type
using TB_CIT_SETUP() helper macro, and sets both ct_item_ops + ct_attr
following existing code.
It updates target_core_make_subdev() + target_core_setup_dev_attrib_cit() +
struct target_backend_cits, and drops left-over target_core_dev_pr_cit
from target_core_configfs.c code and update comments.
This patch introduces no functional change from existing code.
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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This patch adds support for dev_attrib_cit as an external config_item_type
using TB_CIT_SETUP() helper macro, and sets both ct_item_ops + ct_attr
following existing code.
It updates target_core_make_subdev() + target_core_setup_dev_attrib_cit() +
struct target_backend_cits, and drops left-over target_core_dev_attrib_cit
from target_core_configfs.c code and update comments.
This patch introduces no functional change from existing code.
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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This patch adds initial support for dev_cit as external config_item_type.
This includes a new struct target_backend_cits to hold the external CITs
within struct se_subsystem_api, and target_core_setup_sub_cits() to be
used by backend drivers ahead of transport_subsystem_register().
It adds a TB_CIT_SETUP() helper following target_core_fabric_configfs.c
to perform the config_item_type assignments.
Also, drop left-over target_core_dev_cit from target_core_configfs.c code
and update comments.
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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The module_put() function tests whether its argument is NULL and then
returns immediately. Thus the test around the call is not needed.
This issue was detected by using the Coccinelle software.
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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If we try to create a fabric directory in configfs for one of the
default hard-coded fabric modules (iscsi and loopback), and that
fabric is actually built into the kernel, then the operation will
spuriously fail because request_module() (for the code that's already
linked into the kernel) fails.
Fix this by running the autoprobing code only if an initial
target_core_get_fabric() fails.
Signed-off-by: Roland Dreier <roland@purestorage.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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isert has an issue of trying to create a CQ with more CQEs than are
supported by the hardware, that currently results in failures during
isert_device creation during first session login.
This is the isert version of the patch that Minh Tran submitted for
iser, and is simple a workaround required to function with existing
ocrdma hardware.
Signed-off-by: Chris Moore <chris.moore@emulex.com>
Reviewied-by: Sagi Grimberg <sagig@mellanox.com>
Cc: <stable@vger.kernel.org> # 3.10+
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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PREEMPT (and PREEMPT AND ABORT) should return CONFLICT iff a specified
SERVICE ACTION RESERVATION KEY is specified and matches no existing
persistent reservation.
Without this patch, a PREEMPT will return CONFLICT if either all
reservations are held by the initiator (self preemption) or there is
nothing to preempt. According to the spec, both of these cases should
succeed.
Signed-off-by: Steven Allen <steven.allen@purestorage.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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In this case the cm_id->context is the isert_np, and the cm_id->qp
is NULL, so use that to distinct the cases.
Since we don't expect any other events on this cm_id we can
just return -1 for explicit termination of the cm_id by the
cma layer.
Signed-off-by: Sagi Grimberg <sagig@mellanox.com>
Cc: <stable@vger.kernel.org> # 3.10+
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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This patch adds a max_send_sge=2 minimum in isert_conn_setup_qp()
to ensure outgoing control PDU responses with tx_desc->num_sge=2
are able to function correctly.
This addresses a bug with RDMA hardware using dev_attr.max_sge=3,
that in the original code with the ConnectX-2 work-around would
result in isert_conn->max_sge=1 being negotiated.
Originally reported by Chris with ocrdma driver.
Reported-by: Chris Moore <Chris.Moore@emulex.com>
Tested-by: Chris Moore <Chris.Moore@emulex.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Cc: <stable@vger.kernel.org> # 3.10+
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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It is not guaranteed to that srp_sq_size is supported
by the HCA. So if we failed to create the QP with ENOMEM,
try with a smaller srp_sq_size. Keep it up until we hit
MIN_SRPT_SQ_SIZE, then fail the connection.
Reported-by: Mark Lehrer <lehrer@gmail.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Sagi Grimberg <sagig@mellanox.com>
Cc: <stable@vger.kernel.org> # 3.4+
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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The fact that a target is published on the any address has no bearing on
which port(s) it is published. SendTargets should always send the
portal's port, not the port used for discovery.
Signed-off-by: Steven Allen <steven.allen@purestorage.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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This patch addresses a bug where individual vhost-scsi configfs endpoint
groups can be removed from below while active exports to QEMU userspace
still exist, resulting in an OOPs.
It adds a configfs_depend_item() in vhost_scsi_set_endpoint() to obtain
an explicit dependency on se_tpg->tpg_group in order to prevent individual
vhost-scsi WWPN endpoints from being released via normal configfs methods
while an QEMU ioctl reference still exists.
Also, add matching configfs_undepend_item() in vhost_scsi_clear_endpoint()
to release the dependency, once QEMU's reference to the individual group
at /sys/kernel/config/target/vhost/$WWPN/$TPGT is released.
(Fix up vhost_scsi_clear_endpoint() error path - DanC)
Cc: Michael S. Tsirkin <mst@redhat.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Stefan Hajnoczi <stefanha@redhat.com>
Cc: <stable@vger.kernel.org> # 3.6+
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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If an initiator sends a zero-length command (e.g. TEST UNIT READY) but
sets the transfer direction in the transport layer to indicate a
data-out phase, we still shouldn't try to transfer data. At best it's
a NOP, and depending on the transport, we might crash on an
uninitialized sg list.
Reported-by: Craig Watson <craig.watson@vanguard-rugged.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
Cc: <stable@vger.kernel.org> # 3.1
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC fixes from Olof Johansson:
"Another week, another small batch of fixes.
Most of these make zynq, socfpga and sunxi platforms work a bit
better:
- due to new requirements for regulators, DWMMC on socfpga broke past
v3.17
- SMP spinup fix for socfpga
- a few DT fixes for zynq
- another option (FIXED_REGULATOR) for sunxi is needed that used to
be selected by other options but no longer is.
- a couple of small DT fixes for at91
- ...and a couple for i.MX"
* tag 'armsoc-for-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
ARM: dts: imx28-evk: Let i2c0 run at 100kHz
ARM: i.MX6: Fix "emi" clock name typo
ARM: multi_v7_defconfig: enable CONFIG_MMC_DW_ROCKCHIP
ARM: sunxi_defconfig: enable CONFIG_REGULATOR_FIXED_VOLTAGE
ARM: dts: socfpga: Add a 3.3V fixed regulator node
ARM: dts: socfpga: Fix SD card detect
ARM: dts: socfpga: rename gpio nodes
ARM: at91/dt: sam9263: fix PLLB frequencies
power: reset: at91-reset: fix power down register
MAINTAINERS: add atmel ssc driver maintainer entry
arm: socfpga: fix fetching cpu1start_addr for SMP
ARM: zynq: DT: trivial: Fix mc node
ARM: zynq: DT: Add cadence watchdog node
ARM: zynq: DT: Add missing reference for memory-controller
ARM: zynq: DT: Add missing reference for ADC
ARM: zynq: DT: Add missing address for L2 pl310
ARM: zynq: DT: Remove 222 MHz OPP
ARM: zynq: DT: Fix GEM register area size
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Pull MIPS fixes from Ralf Baechle:
"This is the first round of fixes and tying up loose ends for MIPS.
- plenty of fixes for build errors in specific obscure configurations
- remove redundant code on the Lantiq platform
- removal of a useless SEAD I2C driver that was causing a build issue
- fix an earlier TLB exeption handler fix to also work on Octeon.
- fix ISA level dependencies in FPU emulator's instruction decoding.
- don't hardcode kernel command line in Octeon software emulator.
- fix an earlier fix for the Loondson 2 clock setting"
* 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus:
MIPS: SEAD3: Fix I2C device registration.
MIPS: SEAD3: Nuke PIC32 I2C driver.
MIPS: ftrace: Fix a microMIPS build problem
MIPS: MSP71xx: Fix build error
MIPS: Malta: Do not build the malta-amon.c file if CMP is not enabled
MIPS: Prevent compiler warning from cop2_{save,restore}
MIPS: Kconfig: Add missing MIPS_CPS dependencies to PM and cpuidle
MIPS: idle: Remove leftover __pastwait symbol and its references
MIPS: Sibyte: Include the swarm subdir to the sb1250 LittleSur builds
MIPS: ptrace.h: Add a missing include
MIPS: ath79: Fix compilation error when CONFIG_PCI is disabled
MIPS: MSP71xx: Remove compilation error when CONFIG_MIPS_MT is present
MIPS: Octeon: Remove special case for simulator command line.
MIPS: tlbex: Properly fix HUGE TLB Refill exception handler
MIPS: loongson2_cpufreq: Fix CPU clock rate setting mismerge
pci: pci-lantiq: remove duplicate check on resource
MIPS: Lasat: Add missing CONFIG_PROC_FS dependency to PICVUE_PROC
MIPS: cp1emu: Fix ISA restrictions for cop1x_op instructions
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git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen bug fixes from David Vrabel:
- Fix regression in xen_clocksource_read() which caused all Xen guests
to crash early in boot.
- Several fixes for super rare race conditions in the p2m.
- Assorted other minor fixes.
* tag 'stable/for-linus-3.18-b-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
xen/pci: Allocate memory for physdev_pci_device_add's optarr
x86/xen: panic on bad Xen-provided memory map
x86/xen: Fix incorrect per_cpu accessor in xen_clocksource_read()
x86/xen: avoid race in p2m handling
x86/xen: delay construction of mfn_list_list
x86/xen: avoid writing to freed memory after race in p2m handling
xen/balloon: Don't continue ballooning when BP_ECANCELED is encountered
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git://git.kernel.org/pub/scm/linux/kernel/git/tytso/random
Pull /dev/random updates from Ted Ts'o:
"This adds a memzero_explicit() call which is guaranteed not to be
optimized away by GCC. This is important when we are wiping
cryptographically sensitive material"
* tag 'random_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/random:
crypto: memzero_explicit - make sure to clear out sensitive data
random: add and use memzero_explicit() for clearing data
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI and power management updates from Rafael Wysocki:
"This is material that didn't make it to my 3.18-rc1 pull request for
various reasons, mostly related to timing and travel (LinuxCon EU /
LPC) plus a couple of fixes for recent bugs.
The only really new thing here is the PM QoS class for memory
bandwidth, but it is simple enough and users of it will be added in
the next cycle. One major change in behavior is that platform devices
enumerated by ACPI will use 32-bit DMA mask by default. Also included
is an ACPICA update to a new upstream release, but that's mostly
cleanups, changes in tools and similar. The rest is fixes and
cleanups mostly.
Specifics:
- Fix for a recent PCI power management change that overlooked the
fact that some IRQ chips might not be able to configure PCIe PME
for system wakeup from Lucas Stach.
- Fix for a bug introduced in 3.17 where acpi_device_wakeup() is
called with a wrong ordering of arguments from Zhang Rui.
- A bunch of intel_pstate driver fixes (all -stable candidates) from
Dirk Brandewie, Gabriele Mazzotta and Pali Rohár.
- Fixes for a rather long-standing problem with the OOM killer and
the freezer that frozen processes killed by the OOM do not actually
release any memory until they are thawed, so OOM-killing them is
rather pointless, with a couple of cleanups on top (Michal Hocko,
Cong Wang, Rafael J Wysocki).
- ACPICA update to upstream release 20140926, inlcuding mostly
cleanups reducing differences between the upstream ACPICA and the
kernel code, tools changes (acpidump, acpiexec) and support for the
_DDN object (Bob Moore, Lv Zheng).
- New PM QoS class for memory bandwidth from Tomeu Vizoso.
- Default 32-bit DMA mask for platform devices enumerated by ACPI
(this change is mostly needed for some drivers development in
progress targeted at 3.19) from Heikki Krogerus.
- ACPI EC driver cleanups, mostly related to debugging, from Lv
Zheng.
- cpufreq-dt driver updates from Thomas Petazzoni.
- powernv cpuidle driver update from Preeti U Murthy"
* tag 'pm+acpi-3.18-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (34 commits)
intel_pstate: Correct BYT VID values.
intel_pstate: Fix BYT frequency reporting
intel_pstate: Don't lose sysfs settings during cpu offline
cpufreq: intel_pstate: Reflect current no_turbo state correctly
cpufreq: expose scaling_cur_freq sysfs file for set_policy() drivers
cpufreq: intel_pstate: Fix setting max_perf_pct in performance policy
PCI / PM: handle failure to enable wakeup on PCIe PME
ACPI: invoke acpi_device_wakeup() with correct parameters
PM / freezer: Clean up code after recent fixes
PM: convert do_each_thread to for_each_process_thread
OOM, PM: OOM killed task shouldn't escape PM suspend
freezer: remove obsolete comments in __thaw_task()
freezer: Do not freeze tasks killed by OOM killer
ACPI / platform: provide default DMA mask
cpuidle: powernv: Populate cpuidle state details by querying the device-tree
cpufreq: cpufreq-dt: adjust message related to regulators
cpufreq: cpufreq-dt: extend with platform_data
cpufreq: allow driver-specific data
ACPI / EC: Cleanup coding style.
ACPI / EC: Refine event/query debugging messages.
...
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git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux
Pull thermal management updates from Zhang Rui:
"Sorry that I missed the merge window as there is a bug found in the
last minute, and I have to fix it and wait for the code to be tested
in linux-next tree for a few days. Now the buggy patch has been
dropped entirely from my next branch. Thus I hope those changes can
still be merged in 3.18-rc2 as most of them are platform thermal
driver changes.
Specifics:
- introduce ACPI INT340X thermal drivers.
Newer laptops and tablets may have thermal sensors and other
devices with thermal control capabilities that are exposed for the
OS to use via the ACPI INT340x device objects. Several drivers are
introduced to expose the temperature information and cooling
ability from these objects to user-space via the normal thermal
framework.
From: Lu Aaron, Lan Tianyu, Jacob Pan and Zhang Rui.
- introduce a new thermal governor, which just uses a hysteresis to
switch abruptly on/off a cooling device. This governor can be used
to control certain fan devices that can not be throttled but just
switched on or off. From: Peter Feuerer.
- introduce support for some new thermal interrupt functions on
i.MX6SX, in IMX thermal driver. From: Anson, Huang.
- introduce tracing support on thermal framework. From: Punit
Agrawal.
- small fixes in OF thermal and thermal step_wise governor"
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux: (25 commits)
Thermal: int340x thermal: select ACPI fan driver
Thermal: int3400_thermal: use acpi_thermal_rel parsing APIs
Thermal: int340x_thermal: expose acpi thermal relationship tables
Thermal: introduce int3403 thermal driver
Thermal: introduce INT3402 thermal driver
Thermal: move the KELVIN_TO_MILLICELSIUS macro to thermal.h
ACPI / Fan: support INT3404 thermal device
ACPI / Fan: add ACPI 4.0 style fan support
ACPI / fan: convert to platform driver
ACPI / fan: use acpi_device_xxx_power instead of acpi_bus equivelant
ACPI / fan: remove no need check for device pointer
ACPI / fan: remove unused macro
Thermal: int3400 thermal: register to thermal framework
Thermal: int3400 thermal: add capability to detect supporting UUIDs
Thermal: introduce int3400 thermal driver
ACPI: add ACPI_TYPE_LOCAL_REFERENCE support to acpi_extract_package()
ACPI: make acpi_create_platform_device() an external API
thermal: step_wise: fix: Prevent from binary overflow when trend is dropping
ACPI: introduce ACPI int340x thermal scan handler
thermal: Added Bang-bang thermal governor
...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 EFI updates from Peter Anvin:
"This patchset falls under the "maintainers that grovel" clause in the
v3.18-rc1 announcement. We had intended to push it late in the merge
window since we got it into the -tip tree relatively late.
Many of these are relatively simple things, but there are a couple of
key bits, especially Ard's and Matt's patches"
* 'x86-efi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (24 commits)
rtc: Disable EFI rtc for x86
efi: rtc-efi: Export platform:rtc-efi as module alias
efi: Delete the in_nmi() conditional runtime locking
efi: Provide a non-blocking SetVariable() operation
x86/efi: Adding efi_printks on memory allocationa and pci.reads
x86/efi: Mark initialization code as such
x86/efi: Update comment regarding required phys mapped EFI services
x86/efi: Unexport add_efi_memmap variable
x86/efi: Remove unused efi_call* macros
efi: Resolve some shadow warnings
arm64: efi: Format EFI memory type & attrs with efi_md_typeattr_format()
ia64: efi: Format EFI memory type & attrs with efi_md_typeattr_format()
x86: efi: Format EFI memory type & attrs with efi_md_typeattr_format()
efi: Introduce efi_md_typeattr_format()
efi: Add macro for EFI_MEMORY_UCE memory attribute
x86/efi: Clear EFI_RUNTIME_SERVICES if failing to enter virtual mode
arm64/efi: Do not enter virtual mode if booting with efi=noruntime or noefi
arm64/efi: uefi_init error handling fix
efi: Add kernel param efi=noruntime
lib: Add a generic cmdline parse function parse_option_str
...
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* pm-cpuidle:
cpuidle: powernv: Populate cpuidle state details by querying the device-tree
* pm-cpufreq:
intel_pstate: Correct BYT VID values.
intel_pstate: Fix BYT frequency reporting
intel_pstate: Don't lose sysfs settings during cpu offline
cpufreq: intel_pstate: Reflect current no_turbo state correctly
cpufreq: expose scaling_cur_freq sysfs file for set_policy() drivers
cpufreq: intel_pstate: Fix setting max_perf_pct in performance policy
cpufreq: cpufreq-dt: adjust message related to regulators
cpufreq: cpufreq-dt: extend with platform_data
cpufreq: allow driver-specific data
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* acpi-pm:
ACPI: invoke acpi_device_wakeup() with correct parameters
* pm-genirq:
PCI / PM: handle failure to enable wakeup on PCIe PME
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* acpi-ec:
ACPI / EC: Cleanup coding style.
ACPI / EC: Refine event/query debugging messages.
ACPI / EC: Add detailed command/query debugging information.
ACPI / EC: Enhance the logs to apply to QR_EC transactions.
ACPI / EC: Add CPU ID to debugging messages.
* acpi-platform:
ACPI / platform: provide default DMA mask
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Using a VID value that is not high enough for the requested P state can
cause machine checks. Add a ceiling function to ensure calulated VIDs
with fractional values are set to the next highest integer VID value.
The algorythm for calculating the non-trubo VID from the BIOS writers
guide is:
vid_ratio = (vid_max - vid_min) / (max_pstate - min_pstate)
vid = ceiling(vid_min + (req_pstate - min_pstate) * vid_ratio)
Cc: All applicable <stable@vger.kernel.org>
Signed-off-by: Dirk Brandewie <dirk.j.brandewie@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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BYT has a different conversion from P state to frequency than the core
processors. This causes the min/max and current frequency to be
misreported on some BYT SKUs. Tested on BYT N2820, Ivybridge and
Haswell processors.
Link: https://bugzilla.yoctoproject.org/show_bug.cgi?id=6663
Cc: All applicable <stable@vger.kernel.org>
Signed-off-by: Dirk Brandewie <dirk.j.brandewie@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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The user may have custom settings don't destroy them during suspend.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=80651
Reported-by: Tobias Jakobi <liquid.acid@gmx.net>
Cc: All applicable <stable@vger.kernel.org>
Signed-off-by: Dirk Brandewie <dirk.j.brandewie@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Some BIOSes modify the state of MSR_IA32_MISC_ENABLE_TURBO_DISABLE
based on the current power source for the system battery AC vs
battery. Reflect the correct current state and ability to modify the
no_turbo sysfs file based on current state of
MSR_IA32_MISC_ENABLE_TURBO_DISABLE.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=83151
Cc: All applicable <stable@vger.kernel.org>
Signed-off-by: Gabriele Mazzotta <gabriele.mzt@gmail.com>
Signed-off-by: Dirk Brandewie <dirk.j.brandewie@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Currently the core does not expose scaling_cur_freq for set_policy()
drivers this breaks some userspace monitoring tools.
Change the core to expose this file for all drivers and if the
set_policy() driver supports the get() callback use it to retrieve the
current frequency.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=73741
Cc: All applicable <stable@vger.kernel.org>
Signed-off-by: Dirk Brandewie <dirk.j.brandewie@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Code which changes policy to powersave changes also max_policy_pct based on
max_freq. Code which change max_perf_pct has upper limit base on value
max_policy_pct. When policy is changing from powersave back to performance
then max_policy_pct is not changed. Which means that changing max_perf_pct is
not possible to high values if max_freq was too low in powersave policy.
Test case:
$ cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_min_freq
800000
$ cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq
3300000
$ cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor
performance
$ cat /sys/devices/system/cpu/intel_pstate/max_perf_pct
100
$ echo powersave > /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor
$ echo 800000 > /sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq
$ echo 20 > /sys/devices/system/cpu/intel_pstate/max_perf_pct
$ cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor
powersave
$ cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq
800000
$ cat /sys/devices/system/cpu/intel_pstate/max_perf_pct
20
$ echo performance > /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor
$ echo 3300000 > /sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq
$ echo 100 > /sys/devices/system/cpu/intel_pstate/max_perf_pct
$ cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor
performance
$ cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq
3300000
$ cat /sys/devices/system/cpu/intel_pstate/max_perf_pct
24
And now intel_pstate driver allows to set maximal value for max_perf_pct based
on max_policy_pct which is 24 for previous powersave max_freq 800000.
This patch will set default value for max_policy_pct when setting policy to
performance so it will allow to set also max value for max_perf_pct.
Signed-off-by: Pali Rohár <pali.rohar@gmail.com>
Cc: All applicable <stable@vger.kernel.org>
Acked-by: Dirk Brandewie <dirk.j.brandewie@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/groeck/linux-staging
Pull a hwmon fix from Guenter Roeck:
"Fix potential compile problem for menf21bmc hwmon driver"
* tag 'hwmon-for-linus-v3.18-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
hwmon: (menf21bmc) Include linux/err.h
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If the irqchip handling the PCIe PME interrupt is not able
to enable interrupt wakeup we should properly reflect this
in the PME suspend status.
This fixes a kernel warning on resume, where it would try
to disable the irq wakeup that failed to be activated while
suspending, for example:
WARNING: CPU: 0 PID: 609 at kernel/irq/manage.c:536 irq_set_irq_wake+0xc0/0xf8()
Unbalanced IRQ 384 wake disable
Fixes: 76cde7e49590 (PCI / PM: Make PCIe PME interrupts wake up from suspend-to-idle)
Reported-and-tested-by: Richard Zhu <richard.zhu@freescale.com>
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Fix a bug that invokes acpi_device_wakeup() with wrong parameters.
Fixes: f35cec255557 (ACPI / PM: Always enable wakeup GPEs when enabling device wakeup)
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Cc: 3.17+ <stable@vger.kernel.org> # 3.17+
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Pull drm fixes from Dave Airlie:
"Intel, nouveau, radeon and qxl.
Mostly for bugs introduced in the merge window, nothing too shocking"
[ And one cirrus fix added later and not mentioned in the pull request.. - Linus ]
* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
drm/cirrus: bind also to qemu-xen-traditional
qxl: don't create too large primary surface
drm/nouveau: fix regression on agp boards
drm/gt215/gr: fix initialisation on gddr5 boards
drm/radeon: reduce sparse false positive warnings
drm/radeon: fix vm page table block size calculation
drm/ttm: Don't evict BOs outside of the requested placement range
drm/ttm: Don't skip fpfn check if lpfn is 0 in ttm_bo_mem_compat
drm/radeon: use gart memory for DMA ring tests
drm/radeon: fix speaker allocation setup
drm/radeon: initialize sadb to NULL in the audio code
drm/i915: fix short vs. long hpd detection
drm/i915: Don't trust the DP_DETECT bit for eDP ports on CHV
Revert "drm/radeon/dpm: drop clk/voltage dependency filters for SI"
Revert "drm/radeon: drop btc_get_max_clock_from_voltage_dependency_table"
drm/i915: properly reenable gen8 pipe IRQs
drm/i915: Move DIV_ROUND_CLOSEST_ULL macro to header
drm/i915: intel_backlight scale() math WA
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The MIPS_CPS_PM and MIPS_CPS_CPUIDLE implementation should depend
on the MIPS_CPS symbol to avoid the following build problem
arch/mips/kernel/pm-cps.c: In function 'cps_pm_enter_state':
arch/mips/kernel/pm-cps.c:164:26: error: 'cpu_coherent_mask' undeclared
(first use in this function)
cpumask_clear_cpu(cpu, &cpu_coherent_mask);
^
Signed-off-by: Markos Chandras <markos.chandras@imgtec.com>
Cc: Paul Burton <paul.burton@imgtec.com>
Cc: linux-mips@linux-mips.org
Patchwork: http://patchwork.linux-mips.org/patch/7798/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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physdev_pci_device_add's optarr[] is a zero-sized array and therefore
reference to add.optarr[0] is accessing memory that does not belong to
the 'add' variable.
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Reviewed-by: Jan Beulich <jbeulich@suse.com>
Signed-off-by: David Vrabel <david.vrabel@citrix.com>
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Commit 3dcf63677d4e ("xen/balloon: cancel ballooning if adding new
memory failed") makes reserve_additional_memory() return BP_ECANCELED
when an error is encountered. This error, however, is ignored by the
caller (balloon_process()) since it is overwritten by subsequent call
to update_schedule(). This results in continuous attempts to add more
memory, all of which are likely to fail again.
We should stop trying to schedule next iteration of ballooning when
the current one has failed.
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
Signed-off-by: David Vrabel <david.vrabel@citrix.com>
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qemu as used by xend/xm toolstack uses a different subvendor id.
Bind the drm driver also to this emulated card.
Signed-off-by: Olaf Hering <olaf@aepfle.de>
cc: stable@vger.kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
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