- Several critical linear p2m fixes that prevented some hosts from
booting.
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Merge tag 'stable/for-linus-3.19-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen bug fixes from David Vrabel:
"Several critical linear p2m fixes that prevented some hosts from
booting"
* tag 'stable/for-linus-3.19-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
x86/xen: properly retrieve NMI reason
xen: check for zero sized area when invalidating memory
xen: use correct type for physical addresses
xen: correct race in alloc_p2m_pmd()
xen: correct error for building p2m list on 32 bits
x86/xen: avoid freeing static 'name' when kasprintf() fails
x86/xen: add extra memory for remapped frames during setup
x86/xen: don't count how many PFNs are identity mapped
x86/xen: Free bootmem in free_p2m_page() during early boot
x86/xen: Remove unnecessary BUG_ON(preemptible()) in xen_setup_timer()
Corrected the comment describing the ndo operations to
reflect the actual prototype for couple of operations
Signed-off-by: B Viswanath <marichika4@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Ying Xue says:
====================
remove nl_sk_hash_lock from netlink socket
After tipc socket successfully avoids the involvement of an extra lock
with rhashtable_lookup_insert(), it's possible for netlink socket to
remove its hash socket lock now. But as netlink socket needs a compare
function to look for an object, we first introduce a new function
called rhashtable_lookup_compare_insert() in commit #1 which is
implemented based on original rhashtable_lookup_insert(). We
subsequently remove nl_sk_hash_lock from netlink socket with the new
introduced function in commit #2. Lastly, as Thomas requested, we add
commit #3 to indicate the implementation of what the grow and shrink
decision function must enforce min/max shift.
v2:
As Thomas pointed out, there was a race between checking portid and
then setting it in commit #2. Now use socket lock to make the process
of both checking and setting portid atomic, and then eliminate the
race.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
As commit c0c09bfdc4 ("rhashtable: avoid unnecessary wakeup for
worker queue") moves condition statements of verifying whether hash
table size exceeds its maximum threshold or reaches its minimum
threshold from resizing functions to resizing decision functions,
we should add a note in rhashtable.h to indicate the implementation
of what the grow and shrink decision function must enforce min/max
shift, otherwise, it's failed to take min/max shift's set watermarks
into effect.
Signed-off-by: Ying Xue <ying.xue@windriver.com>
Cc: Thomas Graf <tgraf@suug.ch>
Acked-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
As rhashtable_lookup_compare_insert() can guarantee the process
of search and insertion is atomic, it's safe to eliminate the
nl_sk_hash_lock. After this, object insertion or removal will
be protected with per bucket lock on write side while object
lookup is guarded with rcu read lock on read side.
Signed-off-by: Ying Xue <ying.xue@windriver.com>
Cc: Thomas Graf <tgraf@suug.ch>
Acked-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
Introduce a new function called rhashtable_lookup_compare_insert()
which is very similar to rhashtable_lookup_insert(). But the former
makes use of users' given compare function to look for an object,
and then inserts it into hash table if found. As the entire process
of search and insertion is under protection of per bucket lock, this
can help users to avoid the involvement of extra lock.
Signed-off-by: Ying Xue <ying.xue@windriver.com>
Cc: Thomas Graf <tgraf@suug.ch>
Acked-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
The "smemc" clock is removed on BG2Q SoCs. In fact, bit19 of clkenable
register is for nfc. Current code use bit19 for non-exist "smemc"
incorrectly, this prevents eMMC from working due to the sdhci's
"core" clk is still gated.
Signed-off-by: Jisheng Zhang <jszhang@marvell.com>
Cc: stable@vger.kernel.org # 3.16+
Signed-off-by: Michael Turquette <mturquette@linaro.org>
All slow clk users are not properly claiming it (get + prepare + enable)
before using it.
If all users properly claiming this clock release it, the clock is
disabled, but faulty users still depends on it, and the system hangs.
This fix prevents the slow clock from being disabled, and should solve the
hanging issue, but offending drivers should be patched to properly claim
this clock.
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Reported-by: Bo Shen <voice.shen@atmel.com>
Cc: stable@vger.kernel.org
Signed-off-by: Michael Turquette <mturquette@linaro.org>
Pull thermal management fixes from Zhang Rui:
"Specifics:
- Fix a problem that Intel SoC DTS thermal driver does not work when
CONFIG_THERMAL_INT340X is not set.
- Fix a NULL pointer dereference when processor_thermal_device driver
is loaded on a platform without ACPI support"
* 'for-rc' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux:
int340x_thermal/processor_thermal_device: return failure when
ACPI/int340x_thermal: enumerate INT3401 for Intel SoC DTS thermal driver
ACPI/int340x_thermal: enumerate INT340X devices even if they're not in _ART/_TRT
After commit ecc19d1786 ("dmaengine: Add
a warning for drivers not using the generic slave caps retrieval"),
the Tegra APB DMA driver causes this warning during boot:
WARNING: CPU: 0 PID: 1 at drivers/dma/dmaengine.c:830 dma_async_device_register+0x294/0x538()
this driver doesn't support generic slave capabilities reporting
Fix by setting the appropriate reporting structure fields that are
passed to dma_async_device_register().
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Tested-by: Thierry Reding <treding@nvidia.com>
Acked-by: Thierry Reding <treding@nvidia.com>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Fix the following build warning:
drivers/dma/fsldma.c: In function 'fsl_dma_device_terminate_all':
drivers/dma/fsldma.c:947:6: warning: unused variable 'size' [-Wunused-variable]
Signed-off-by: Kevin Hao <haokexin@gmail.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
ecc19d1786
(dmaengine: Add a warning for drivers not using the generic slave
caps retrieval) added WARN() for DMA_SLAVE.
Kernel will shows WARNING without this patch.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
There is no need to return a 'fake' value upon platform_get_irq() failure.
Just propagate the real error instead.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
By using devm functions we can make the code shorter and cleaner.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Since ecc19d1786 ("dmaengine: Add a warning for drivers not using the
generic slave caps retrieval") the following warning is observed:
[ 0.224981] ------------[ cut here ]------------
[ 0.225013] WARNING: CPU: 0 PID: 1 at drivers/dma/dmaengine.c:830 dma_async_device_register+0x2a0/0x4c8()
[ 0.225023] this driver doesn't support generic slave capabilities reporting
Declare the slave capabilities to avoid such warning.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Since ecc19d1786 ("dmaengine: Add a warning for drivers not using the
generic slave caps retrieval") the following warning is observed:
[ 0.113023] ------------[ cut here ]------------
[ 0.113053] WARNING: CPU: 0 PID: 1 at drivers/dma/dmaengine.c:830 dma_async_device_register+0x2a0/0x4c8()
[ 0.113063] this driver doesn't support generic slave capabilities reporting
Declare the slave capabilities to avoid such warning.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
The new DMAEngine requirement is to provide what the DMA controller can do,
such as directions, bus widths, and residue granularity. The patch sets those
properties for the DesignWare DMA controller driver.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
The recently added rsrc_pci.c file calls pci_bus_alloc_resource without
including the header file that declares it, and that sometimes causes
a build warning on ARM:
drivers/pcmcia/rsrc_pci.c: In function 'find_io_region':
drivers/pcmcia/rsrc_pci.c:40:2: error: implicit declaration of function 'pci_bus_alloc_resource' [-Werror=implicit-function-declaration]
This adds the missing include statement.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Fixes: 02b03846bb ("pcmcia: add a new resource manager for non ISA systems")
Acked-by: Alan Cox <alan@linux.intel.com>
Reported-by: Jim Davis <jim.epost@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
In case of PCI driver we will get a warning:
dw_dmac_pci 0000:00:18.0: Unbalanced pm_runtime_enable!
dw_dmac_pci 0000:00:18.0: DesignWare DMA Controller, 8 channels
This happens due to pm_runtime_enable() call from the driver when PM runtime is
enabled by core.
This patch moves that call to the platform driver where it might make sense.
Fixes: bb32baf76e (dmaengine: dw: enable runtime PM)
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
This platform_driver does not need to set an owner, it will be populated by the
driver core.
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
This board is working with device tree based booting so there should
not be any need to keep the legacy booting support around. People
using this board can boot it with appended DTB with existing bootloader.
By removing the 3517 legacy booting support we can get a bit closer to
making all of omap3 boot in device tree only mode.
Cc: Dmitry Lifshitz <lifshitz@compulab.co.il>
Cc: Igor Grinberg <grinberg@compulab.co.il>
Signed-off-by: Tony Lindgren <tony@atomide.com>
This board is working with device tree based booting so there should
not be any need to keep the legacy booting support around. People
using this board can boot it with appended DTB with existing bootloader.
By removing the 3517 legacy booting support we can get a bit closer to
making all of omap3 boot in device tree only mode.
Signed-off-by: Tony Lindgren <tony@atomide.com>
This board is working with device tree based booting so there should
not be any need to keep the legacy booting support around. People
using this board can boot it with appended DTB with existing bootloader.
By removing the 3517 legacy booting support we can get a bit closer to
making all of omap3 boot in device tree only mode.
Signed-off-by: Tony Lindgren <tony@atomide.com>
This patch utilizes the previously introduced checker to check
register usage for probed ARM instruction and saves it in a mask.
A further patch will use such information to avoid simulation or
emulation.
Signed-off-by: Wang Nan <wangnan0@huawei.com>
Reviewed-by: Jon Medhurst <tixy@linaro.org>
Signed-off-by: Jon Medhurst <tixy@linaro.org>
For the instruction 'mrs Rn, cpsr' the resulting value of Rn can vary due to
external factors we can't control. So get the test code to mask out these
indeterminate bits.
Signed-off-by: Jon Medhurst <tixy@linaro.org>
This patch introduce kprobeopt for ARM 32.
Limitations:
- Currently only kernel compiled with ARM ISA is supported.
- Offset between probe point and optinsn slot must not larger than
32MiB. Masami Hiramatsu suggests replacing 2 words, it will make
things complex. Futher patch can make such optimization.
Kprobe opt on ARM is relatively simpler than kprobe opt on x86 because
ARM instruction is always 4 bytes aligned and 4 bytes long. This patch
replace probed instruction by a 'b', branch to trampoline code and then
calls optimized_callback(). optimized_callback() calls opt_pre_handler()
to execute kprobe handler. It also emulate/simulate replaced instruction.
When unregistering kprobe, the deferred manner of unoptimizer may leave
branch instruction before optimizer is called. Different from x86_64,
which only copy the probed insn after optprobe_template_end and
reexecute them, this patch call singlestep to emulate/simulate the insn
directly. Futher patch can optimize this behavior.
Signed-off-by: Wang Nan <wangnan0@huawei.com>
Acked-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Cc: Will Deacon <will.deacon@arm.com>
Reviewed-by: Jon Medhurst (Tixy) <tixy@linaro.org>
Signed-off-by: Jon Medhurst <tixy@linaro.org>
Pass the original kprobe for preparing an optimized kprobe arch-dep
part, since for some architecture (e.g. ARM32) requires the information
in original kprobe.
Signed-off-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Signed-off-by: Wang Nan <wangnan0@huawei.com>
Signed-off-by: Jon Medhurst <tixy@linaro.org>
These have extra 'checker' functions associated with them so lets make
sure those get covered by testing. As they may create uninitialised
space on the stack we also update the test code to ensure such space is
consistent between test runs. This is done by disabling interrupts in
setup_test_context().
Signed-off-by: Jon Medhurst <tixy@linaro.org>
This patch prohibits probing instructions for which the stack
requirements are unable to be determined statically. Some test cases
are found not work again after the modification, this patch also
removes them.
Signed-off-by: Wang Nan <wangnan0@huawei.com>
Reviewed-by: Jon Medhurst <tixy@linaro.org>
Signed-off-by: Jon Medhurst <tixy@linaro.org>
This patch uses the previously introduced checker functionality on
store instructions to record their stack consumption information to
arch_probes_insn.
Signed-off-by: Wang Nan <wangnan0@huawei.com>
Reviewed-by: Jon Medhurst <tixy@linaro.org>
Signed-off-by: Jon Medhurst <tixy@linaro.org>
Add handling for gta04 tv out chain:
venc -> opa362 -> svideo
Use invert-polarity in venc node because opa362
is doing polarity inversion also.
Signed-off-by: Marek Belisko <marek@goldelico.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
CM-T3517, CM-T3530 and CM-T3730 features NAND storage chip connected to
GPMC bus.
Add GPMC DT entry into the root DT file omap3-cm-t3x.dtsi, common for
all three modules.
NAND timings are calculated to be safe for CM-T3x devices as it works
now in non DT boot (in this case the timings are updated by U-Boot).
Update GPMC ranges in boards DT files to include all connected devices.
Signed-off-by: Dmitry Lifshitz <lifshitz@compulab.co.il>
Acked-by: Igor Grinberg <grinberg@compulab.co.il>
Acked-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Fixes the following compilation error:
include/sound/compress_driver.h: In function ‘snd_compr_drain_notify’:
include/sound/compress_driver.h:177:2: error: implicit declaration of function ‘snd_BUG_ON’ [-Werror=implicit-function-declaration]
if (snd_BUG_ON(!stream))
snd_BUG_ON() is defined in sound/core.h but the file is not included explicitly,
so include it.
Signed-off-by: Qais Yousef <qais.yousef@imgtec.com>
Acked-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
In a recent cleanup, the mmp_tdma_terminate_all function was
introduced but does not set a proper return value. Almost
no slave driver uses that return value, but if one does, the
result will be undefined, which the compiler warns about:
dma/mmp_tdma.c: In function 'mmp_tdma_terminate_all':
dma/mmp_tdma.c:474:1: warning: no return statement in function returning non-void [-Wreturn-type]
This changes the driver to return zero, like most other
drivers do.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Fixes: f43a6fd400 ("dmaengine: mmp-tdma: Split device_control")
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
The mmp tdma driver does not actually require this header, and
we want to enable multiplatform support for MMP, which would
make it inaccessible and cause a build error.
This patch just removes the old #include.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Commit db08425ebd ("dmaengine: k3: Split device_control") introduced
two new helper functions, which unfortunately have the same names
as the existing suspend/resume functions, resulting in a build error
when CONFIG_PM_SLEEP is enabled:
drivers/dma/k3dma.c:823:12: error: conflicting types for 'k3_dma_resume'
static int k3_dma_resume(struct device *dev)
^
drivers/dma/k3dma.c:625:12: note: previous definition of 'k3_dma_resume' was here
static int k3_dma_resume(struct dma_chan *chan)
^
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Fixes: db08425ebd ("dmaengine: k3: Split device_control")
Reported-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
While splitting device control in db08425ebd ("dmaengine: k3:
Split device_control") new function with the same 'k3_dma_resume' name
was added, leading to build error:
drivers/dma/k3dma.c:823:12: error: conflicting types for ‘k3_dma_resume’
drivers/dma/k3dma.c:625:12: note: previous definition of ‘k3_dma_resume’ was here
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
This patch fixes I2C trivial-devices.txt DT documentation file to
reference isil (NASDAQ symbol and the most used prefix inside the
kernel) for Intersil.
It reverts 7c75c1d5e7 ("dt-bindings: Document deprecated device
vendor name to fix related warning").
Signed-off-by: Arnaud Ebalard <arno@natisbad.org>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
This patch removes a duplicate AHCI-mode SATA Device ID for the Intel Sunrise Point PCH.
Signed-off-by: James Ralston <james.d.ralston@intel.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
The driver was recently adapted to a core API change, but the
change was incomplete, missing out the suspend helper and
leaving an extraneous local variable around:
usb/phy/phy-mv-usb.c: In function 'mv_otg_update_state':
usb/phy/phy-mv-usb.c:341:18: warning: unused variable 'phy' [-Wunused-variable]
usb/phy/phy-mv-usb.c: In function 'mv_otg_suspend':
usb/phy/phy-mv-usb.c:861:16: error: 'struct usb_phy' has no member named 'state'
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Fixes: e47d92545c ("usb: move the OTG state from the USB PHY to the OTG structure")
Signed-off-by: Felipe Balbi <balbi@ti.com>
Bump mpt2sas driver version to 20.100.00.00.
Signed-off-by: Sreekanth Reddy <Sreekanth.Reddy@avagotech.com>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Added a support to set cpu affinity mask for each MSIX vector enabled
by the HBA. So that, running the irqbalancer will balance interrupts among
the cpus.
Change_set:
1. Added affinity_hint varable of type cpumask_var_t in adapter_reply_queue
structure. And allocated a memory for this varable by calling
alloc_cpumask_var.
2. Call the API irq_set_affinity_hint for each MSIx vector to affiniate it
with calculated cpus at driver inilization time.
3. While freeing the MSIX vector, call this same API to release the cpu
affinity mask for each MSIx vector by providing the NULL value in
cpumask argument.
4. then call the free_cpumask_var API to free the memory allocated in step 2.
Signed-off-by: Sreekanth Reddy <Sreekanth.Reddy@avagotech.com>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Copyright, Trademark & Confidentiality legal statements throughout the
source code changed from LSI to Avago.
Signed-off-by: Sreekanth Reddy <Sreekanth.Reddy@avagotech.com>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
For any SCSI command, if the driver receives IOC status =
SCSI_IOC_TERMINATED and log info = 0x32010081 then that command will be
completed with DID_RESET host status.
The definition of this log info value is "Virtual IO has failed and has
to be retried".
Firmware will provide this log info value with IOC Status
"SCSI_IOC_TERMINATED", whenever a drive (with is a part of a volume)
is pulled and pushed back within some minimal delay. With this log info
value, firmware informs the driver to retry the failed IO command
infinite times, so to provide some time for the firmware to discover
the reinserted drive successfully instated of just retrying failed
command for five times( doesn't giving enough time for firmware to
complete the drive discovery) and failing the IO permanently even
though drive came back successfully.
Signed-off-by: Sreekanth Reddy <Sreekanth.Reddy@avagotech.com>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Change Set:
1. Extended the upper boundary restriction for the module parameter
max_sgl_entries. Earlier, the max_sgl_entries was capped at the
SCSI_MAX_SG_SEGMENTS kernel definition. With this change, the user
would be able to set the max_sgl_entries to any value which is
greater than SCSI_MAX_SG_SEGMENTS and less than the minimum of
SCSI_MAX_SG_CHAIN_SEGMENTS & hardware limit (Calculated using
IOCFacts's MaxChainDepth).
2. Added a print for the message log whenever the user sets the
max_sgl_entries to a value greater than SCSI_MAX_SG_SEGMENTS to
warn about the kernel definition overriding.
Signed-off-by: Sreekanth Reddy <Sreekanth.Reddy@avagotech.com>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Change List in this MPI2 specification,
1. Added SSUTimeout field to MPI2_CONFIG_PAGE_BIOS_1,
and more defines for the BiosOptions field.
Signed-off-by: Sreekanth Reddy <Sreekanth.Reddy@avagotech.com>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Bump driver version to 19.100.00.00.
Signed-off-by: Sreekanth Reddy <Sreekanth.Reddy@avagotech.com>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
