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git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending
Pull SCSI target updates from Nicholas Bellinger:
"The highlights include:
- numerous target-core-user improvements related to queue full and
timeout handling. (MNC)
- prevent target-core-user corruption when invalid data page is
requested. (MNC)
- add target-core device action configfs attributes to allow
user-space to trigger events separate from existing attributes
exposed to end-users. (MNC)
- fix iscsi-target NULL pointer dereference 4.6+ regression in CHAP
error path. (David Disseldorp)
- avoid target-core backend UNMAP callbacks if range is zero. (Andrei
Vagin)
- fix a iscsi-target 4.14+ regression related multiple PDU logins,
that was exposed due to removal of TCP prequeue support. (Florian
Westphal + MNC)
Also, there is a iser-target bug still being worked on for post -rc1
code to address a long standing issue resulting in persistent
ib_post_send() failures, for RNICs with small max_send_sge"
* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending: (36 commits)
iscsi-target: make sure to wake up sleeping login worker
tcmu: Fix trailing semicolon
tcmu: fix cmd user after free
target: fix destroy device in target_configure_device
tcmu: allow userspace to reset ring
target core: add device action configfs files
tcmu: fix error return code in tcmu_configure_device()
target_core_user: add cmd id to broken ring message
target: add SAM_STAT_BUSY sense reason
tcmu: prevent corruption when invalid data page requested
target: don't call an unmap callback if a range length is zero
target/iscsi: avoid NULL dereference in CHAP auth error path
cxgbit: call neigh_event_send() to update MAC address
target: tcm_loop: Use seq_puts() in tcm_loop_show_info()
target: tcm_loop: Delete an unnecessary return statement in tcm_loop_submission_work()
target: tcm_loop: Delete two unnecessary variable initialisations in tcm_loop_issue_tmr()
target: tcm_loop: Combine substrings for 26 messages
target: tcm_loop: Improve a size determination in two functions
target: tcm_loop: Delete an error message for a failed memory allocation in four functions
sbp-target: Delete an error message for a failed memory allocation in three functions
...
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Pull fbdev fix from Bartlomiej Zolnierkiewicz:
"Fix building of the omapfb driver (Tomi Valkeinen)"
* tag 'fbdev-v4.16-fix' of git://github.com/bzolnier/linux:
video: omapfb: fix missing #includes
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Having these checks in ibmvnic_xmit causes problems with VLAN
tagging and balance-alb/tlb bonding modes. The restriction they
imposed can be removed.
Signed-off-by: John Allen <jallen@linux.vnet.ibm.com>
Signed-off-by: Nathan Fontenot <nfont@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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send_control_data() applies some special handling to SETIP v4 IPA
commands. But current code parses *all* command types for the SETIP
command code. Limit the command code check to IPA commands.
Fixes: 5b54e16f1a54 ("qeth: do not spin for SETIP ip assist command")
Signed-off-by: Julian Wiedmann <jwi@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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For a memory range/skb where the last byte falls onto a page boundary
(ie. 'end' is of the form xxx...xxx001), the PFN_UP() part of the
calculation currently doesn't round up to the next PFN due to an
off-by-one error.
Thus qeth believes that the skb occupies one page less than it
actually does, and may select a IO buffer that doesn't have enough spare
buffer elements to fit all of the skb's data.
HW detects this as a malformed buffer descriptor, and raises an
exception which then triggers device recovery.
Fixes: 2863c61334aa ("qeth: refactor calculation of SBALE count")
Signed-off-by: Ursula Braun <ubraun@linux.vnet.ibm.com>
Signed-off-by: Julian Wiedmann <jwi@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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For dwmac4, GMAC_INT_DEFAULT_ENABLE already includes
GMAC_INT_PMT_EN, so it is redundant to check if hw->pmt
is set, and if so, setting the bit again.
For dwmac1000, GMAC_INT_DEFAULT_MASK does not include
GMAC_INT_DISABLE_PMT, so it is redundant to check if
hw->pmt is set, and if so, clearing an already cleared bit.
Improve code readability by removing this redundant code.
Signed-off-by: Niklas Cassel <niklas.cassel@axis.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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GMAC_INT_DEFAULT_MASK is written to the interrupt enable register.
In previous versions of the IP (e.g. dwmac1000), this register was
instead an interrupt mask register.
To improve clarity and reflect reality, rename GMAC_INT_DEFAULT_MASK
to GMAC_INT_DEFAULT_ENABLE.
Signed-off-by: Niklas Cassel <niklas.cassel@axis.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The interrupt status register in both dwmac1000 and dwmac4 ignores
interrupt enable (for dwmac4) / interrupt mask (for dwmac1000).
Therefore, if we want to check only the bits that can actually trigger
an irq, we have to filter the interrupt status register manually.
Commit 0a764db10337 ("stmmac: Discard masked flags in interrupt status
register") fixed this for dwmac1000. Fix the same issue for dwmac4.
Just like commit 0a764db10337 ("stmmac: Discard masked flags in
interrupt status register"), this makes sure that we do not get
spurious link up/link down prints.
Signed-off-by: Niklas Cassel <niklas.cassel@axis.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When allocating RX or TX buffer pools, the driver needs to provide a
unique mapping ID to firmware for each pool. This value is assigned
using a counter which is incremented after a new pool is created. The
ID can be an integer ranging from 1-255. When migrating to a device
that requests a different number of queues, this value was not being
reset properly. As a result, after enough migrations, the counter
exceeded the upper bound and pool creation failed. This is fixed by
resetting the counter to one in this case.
Signed-off-by: Thomas Falcon <tlfalcon@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Daniel Borkmann says:
====================
pull-request: bpf 2018-02-09
The following pull-request contains BPF updates for your *net* tree.
The main changes are:
1) Two fixes for BPF sockmap in order to break up circular map references
from programs attached to sockmap, and detaching related sockets in
case of socket close() event. For the latter we get rid of the
smap_state_change() and plug into ULP infrastructure, which will later
also be used for additional features anyway such as TX hooks. For the
second issue, dependency chain is broken up via map release callback
to free parse/verdict programs, all from John.
2) Fix a libbpf relocation issue that was found while implementing XDP
support for Suricata project. Issue was that when clang was invoked
with default target instead of bpf target, then various other e.g.
debugging relevant sections are added to the ELF file that contained
relocation entries pointing to non-BPF related sections which libbpf
trips over instead of skipping them. Test cases for libbpf are added
as well, from Jesper.
3) Various misc fixes for bpftool and one for libbpf: a small addition
to libbpf to make sure it recognizes all standard section prefixes.
Then, the Makefile in bpftool/Documentation is improved to explicitly
check for rst2man being installed on the system as we otherwise risk
installing empty man pages; the man page for bpftool-map is corrected
and a set of missing bash completions added in order to avoid shipping
bpftool where the completions are only partially working, from Quentin.
4) Fix applying the relocation to immediate load instructions in the
nfp JIT which were missing a shift, from Jakub.
5) Two fixes for the BPF kernel selftests: handle CONFIG_BPF_JIT_ALWAYS_ON=y
gracefully in test_bpf.ko module and mark them as FLAG_EXPECTED_FAIL
in this case; and explicitly delete the veth devices in the two tests
test_xdp_{meta,redirect}.sh before dismantling the netnses as when
selftests are run in batch mode, then workqueue to handle destruction
might not have finished yet and thus veth creation in next test under
same dev name would fail, from Yonghong.
6) Fix test_kmod.sh to check the test_bpf.ko module path before performing
an insmod, and fallback to modprobe. Especially the latter is useful
when having a device under test that has the modules installed instead,
from Naresh.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen fixes from Juergen Gross:
"Only five small fixes for issues when running under Xen"
* tag 'for-linus-4.16-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
xen: Fix {set,clear}_foreign_p2m_mapping on autotranslating guests
pvcalls-back: do not return error on inet_accept EAGAIN
xen-netfront: Fix race between device setup and open
xen/grant-table: Use put_page instead of free_page
x86/xen: init %gs very early to avoid page faults with stack protector
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git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 updates from Heiko Carstens:
"The main thing in this merge is the defense for the Spectre
vulnerabilities. But there are other updates as well, the changes in
more detail:
- An s390 specific implementation of the array_index_mask_nospec
function to the defense against spectre v1
- Two patches to utilize the new PPA-12/PPA-13 instructions to run
the kernel and/or user space with reduced branch predicton.
- The s390 variant of the 'retpoline' spectre v2 defense called
'expoline'. There is no return instruction for s390, instead an
indirect branch is used for function return
The s390 defense mechanism for indirect branches works by using an
execute-type instruction with the indirect branch as the target of
the execute. In effect that turns off the prediction for the
indirect branch.
- Scrub registers in entry.S that contain user controlled values to
prevent the speculative use of these values.
- Re-add the second parameter for the s390 specific runtime
instrumentation system call and move the header file to uapi. The
second parameter will continue to do nothing but older kernel
versions only accepted valid real-time signal numbers. The details
will be documented in the man-page for the system call.
- Corrections and improvements for the s390 specific documentation
- Add a line to /proc/sysinfo to display the CPU model dependent
license-internal-code identifier
- A header file include fix for eadm.
- An error message fix in the kprobes code.
- The removal of an outdated ARCH_xxx select statement"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/kconfig: Remove ARCH_WANTS_PROT_NUMA_PROT_NONE select
s390: introduce execute-trampolines for branches
s390: run user space and KVM guests with modified branch prediction
s390: add options to change branch prediction behaviour for the kernel
s390/alternative: use a copy of the facility bit mask
s390: add optimized array_index_mask_nospec
s390: scrub registers on kernel entry and KVM exit
s390/cio: fix kernel-doc usage
s390/runtime_instrumentation: re-add signum system call parameter
s390/cpum_cf: correct counter number of LAST_HOST_TRANSLATIONS
s390/kprobes: Fix %p uses in error messages
s390/runtime instrumentation: provide uapi header file
s390/sysinfo: add and display licensed internal code identifier
s390/docs: reword airq section
s390/docs: mention subchannel types
s390/cmf: fix kerneldoc
s390/eadm: fix CONFIG_BLOCK include dependency
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull more ACPI updates from Rafael Wysocki:
"These are mostly fixes and cleanups, a few new quirks, a couple of
updates related to the handling of ACPI tables and ACPICA copyrights
refreshment.
Specifics:
- Update the ACPICA kernel code to upstream revision 20180105
including:
* Assorted fixes (Jung-uk Kim)
* Support for X32 ABI compilation (Anuj Mittal)
* Update of ACPICA copyrights to 2018 (Bob Moore)
- Prepare for future modifications to avoid executing the _STA
control method too early (Hans de Goede)
- Make the processor performance control library code ignore _PPC
notifications if they cannot be handled and fix up the C1 idle
state definition when it is used as a fallback state (Chen Yu,
Yazen Ghannam)
- Make it possible to use the SPCR table on x86 and to replace the
original IORT table with a new one from initrd (Prarit Bhargava,
Shunyong Yang)
- Add battery-related quirks for Asus UX360UA and UX410UAK and add
quirks for table parsing on Dell XPS 9570 and Precision M5530 (Kai
Heng Feng)
- Address static checker warnings in the CPPC code (Gustavo Silva)
- Avoid printing a raw pointer to the kernel log in the smart battery
driver (Greg Kroah-Hartman)"
* tag 'acpi-part2-4.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI: sbshc: remove raw pointer from printk() message
ACPI: SPCR: Make SPCR available to x86
ACPI / CPPC: Use 64-bit arithmetic instead of 32-bit
ACPI / tables: Add IORT to injectable table list
ACPI / bus: Parse tables as term_list for Dell XPS 9570 and Precision M5530
ACPICA: Update version to 20180105
ACPICA: All acpica: Update copyrights to 2018
ACPI / processor: Set default C1 idle state description
ACPI / battery: Add quirk for Asus UX360UA and UX410UAK
ACPI: processor_perflib: Do not send _PPC change notification if not ready
ACPI / scan: Use acpi_bus_get_status() to initialize ACPI_TYPE_DEVICE devs
ACPI / bus: Do not call _STA on battery devices with unmet dependencies
PCI: acpiphp_ibm: prepare for acpi_get_object_info() no longer returning status
ACPI: export acpi_bus_get_status_handle()
ACPICA: Add a missing pair of parentheses
ACPICA: Prefer ACPI_TO_POINTER() over ACPI_ADD_PTR()
ACPICA: Avoid NULL pointer arithmetic
ACPICA: Linux: add support for X32 ABI compilation
ACPI / video: Use true for boolean value
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull more power management updates from Rafael Wysocki:
"These are mostly fixes and cleanups and removal of the no longer
needed at32ap-cpufreq driver.
Specifics:
- Drop the at32ap-cpufreq driver which is useless after the removal
of the corresponding arch (Corentin LABBE).
- Fix a regression from the 4.14 cycle in the APM idle driver by
making it initialize the polling state properly (Rafael Wysocki).
- Fix a crash on failing system suspend due to a missing check in the
cpufreq core (Bo Yan).
- Make the intel_pstate driver initialize the hardware-managed
P-state control (HWP) feature on CPU0 upon resume from system
suspend if HWP had been enabled before the system was suspended
(Chen Yu).
- Fix up the SCPI cpufreq driver after recent changes (Sudeep Holla,
Wei Yongjun).
- Avoid pointer subtractions during frequency table walks in cpufreq
(Dominik Brodowski).
- Avoid the check for ProcFeedback in ST/CZ in the cpufreq driver for
AMD processors and add a MODULE_ALIAS for cpufreq on ARM IMX (Akshu
Agrawal, Nicolas Chauvet).
- Fix the prototype of swsusp_arch_resume() on x86 (Arnd Bergmann).
- Fix up the parsing of power domains DT data (Ulf Hansson)"
* tag 'pm-part2-4.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
arm: imx: Add MODULE_ALIAS for cpufreq
cpufreq: Add and use cpufreq_for_each_{valid_,}entry_idx()
cpufreq: intel_pstate: Enable HWP during system resume on CPU0
cpufreq: scpi: fix error return code in scpi_cpufreq_init()
x86: hibernate: fix swsusp_arch_resume() prototype
PM / domains: Fix up domain-idle-states OF parsing
cpufreq: scpi: fix static checker warning cdev isn't an ERR_PTR
cpufreq: remove at32ap-cpufreq
cpufreq: AMD: Ignore the check for ProcFeedback in ST/CZ
x86: PM: Make APM idle driver initialize polling state
cpufreq: Skip cpufreq resume if it's not suspended
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The omapfb driver fails to build after commit 23c35f48f5fb
("pinctrl: remove include file from <linux/device.h>") because it
relies on the <linux/pinctrl/consumer.h> and <linux/seq_file.h>
being pulled in by the <linux/device.h> header implicitly.
Include these headers explicitly to avoid the build failures.
Fixes: 23c35f48f5fb ("pinctrl: remove include file from <linux/device.h>")
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Tested-by: Tony Lindgren <tony@atomide.com>
[b.zolnierkie: fix include order and patch description]
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
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Add dedicated structure with power cable setting for Mellanox msn21xx
family. These systems do not have a physical device for the power unit
controller. When the power cable is inserted or removed, the relevant
interrupt signal is handled, the status is updated, but no device is
associated with the signal.
Add definition for interrupt low aggregation signal. On system from
msn21xx family, low aggregation mask should be removed in order to allow
signal to hit CPU.
Fixes: 6613d18e9038 ("platform/x86: mlx-platform: Move module from arch/x86")
Signed-off-by: Vadim Pasternak <vadimp@mellanox.com>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
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Add define for the negative bus ID in order to use it in case no hotplug
device is associated with the hotplug interrupt signal. In this case,
the signal will be handled by the mlxreg-hotplug driver, but no device
will be associated with the signal.
Signed-off-by: Vadim Pasternak <vadimp@mellanox.com>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
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Add defines for the bus IDs, used for hotplug device topology to improve
code readability. Defines added for FAN and power units.
Signed-off-by: Vadim Pasternak <vadimp@mellanox.com>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
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With gcc-4.1.2:
drivers/platform/mellanox/mlxreg-hotplug.c: In function ‘mlxreg_hotplug_health_work_helper’:
drivers/platform/mellanox/mlxreg-hotplug.c:347: warning: ‘ret’ is used uninitialized in this function
Indeed, if mlxreg_core_item.count is zero, ret is used uninitialized.
While this is unlikely to happen (it is set to ARRAY_SIZE(...) in x86
board files), this is done in another source file, so fix this by
preinitializing ret to zero.
Fixes: c6acad68eb2dbffd ("platform/mellanox: mlxreg-hotplug: Modify to use a regmap interface")
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Vadim Pasternak <vadimp@mellanox.com>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
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This condition wasn't adjusted when PHY_IGNORE_INTERRUPT (-2) was added
long ago. In case of PHY_IGNORE_INTERRUPT the MAC interrupt indicates
also PHY state changes and we should do what the symbol says.
Fixes: 84a527a41f38 ("net: phylib: fix interrupts re-enablement in phy_start")
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The Cavium thunder nicvf driver supports rx/tx rings of up to 65536 entries per.
The number of entires are stored in the q_len member of struct q_desc_mem. The
problem is that q_len being a u16, results in 65536 becoming 0.
In getting pointers to descriptors in the rings, the driver uses q_len minus 1
as a mask after incrementing the pointer, in order to go back to the beginning
and not go past the end of the ring.
With the q_len set to 0 the mask is no longer correct and the driver does go
beyond the end of the ring, causing various ills. Usually the first thing that
shows up is a "NETDEV WATCHDOG: enP2p1s0f1 (nicvf): transmit queue 7 timed out"
warning.
This patch remedies the problem by changing q_len to a u32.
Signed-off-by: Dean Nelson <dnelson@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next
Kalle Valo says:
====================
wireless-drivers-next patches for 4.16
The most important here is the ssb fix, it has been reported by the
users frequently and the fix just missed the final v4.15. Also
numerous other fixes, mt76 had multiple problems with aggregation and
a long standing unaligned access bug in rtlwifi is finally fixed.
Major changes:
ath10k
* correct firmware RAM dump length for QCA6174/QCA9377
* add new QCA988X device id
* fix a kernel panic during pci probe
* revert a recent commit which broke ath10k firmware metadata parsing
ath9k
* fix a noise floor regression introduced during the merge window
* add new device id
rtlwifi
* fix unaligned access seen on ARM architecture
mt76
* various aggregation fixes which fix connection stalls
ssb
* fix b43 and b44 on non-MIPS which broke in v4.15-rc9
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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While handling a driver reset we get a H_CLOSED return trying
to send a CRQ event. When this occurs we need to queue up another
reset attempt. Without doing this we see instances where the driver
is left in a closed state because the reset failed and there is no
further attempts to reset the driver.
Signed-off-by: Nathan Fontenot <nfont@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add suffix ULL to constants 272, 204, 136 and 68 in order to give the
compiler complete information about the proper arithmetic to use.
Notice that these constants are used in contexts that expect
expressions of type unsigned long long (64 bits, unsigned).
The following expressions are currently being evaluated using 32-bit
arithmetic:
272 * mult
204 * mult
136 * mult
68 * mult
Addresses-Coverity-ID: 201058
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
Pull IOMMU updates from Joerg Roedel:
"This time there are not a lot of changes coming from the IOMMU side.
That is partly because I returned from my parental leave late in the
development process and probably partly because everyone was busy with
Spectre and Meltdown mitigation work and didn't find the time for
IOMMU work. So here are the few changes that queued up for this merge
window:
- 5-level page-table support for the Intel IOMMU.
- error reporting improvements for the AMD IOMMU driver
- additional DT bindings for ipmmu-vmsa (Renesas)
- small fixes and cleanups"
* tag 'iommu-updates-v4.16' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu:
iommu: Clean up of_iommu_init_fn
iommu/ipmmu-vmsa: Remove redundant of_iommu_init_fn hook
iommu/msm: Claim bus ops on probe
iommu/vt-d: Enable 5-level paging mode in the PASID entry
iommu/vt-d: Add a check for 5-level paging support
iommu/vt-d: Add a check for 1GB page support
iommu/vt-d: Enable upto 57 bits of domain address width
iommu/vt-d: Use domain instead of cache fetching
iommu/exynos: Don't unconditionally steal bus ops
iommu/omap: Fix debugfs_create_*() usage
iommu/vt-d: clean up pr_irq if request_threaded_irq fails
iommu: Check the result of iommu_group_get() for NULL
iommu/ipmmu-vmsa: Add r8a779(70|95) DT bindings
iommu/ipmmu-vmsa: Add r8a7796 DT binding
iommu/amd: Set the device table entry PPR bit for IOMMU V2 devices
iommu/amd - Record more information about unknown events
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git://git.kernel.org/pub/scm/linux/kernel/git/brodo/pcmcia
Pull pcmcia updates from Dominik Brodowski:
"The linux-pcmcia mailing list was shut down, so offer an alternative
path for patches in MAINTAINERS.
Also, throw in two odd fixes for the pcmcia subsystem"
* 'pcmcia' of git://git.kernel.org/pub/scm/linux/kernel/git/brodo/pcmcia:
pcmcia: soc_common: Handle return value of clk_prepare_enable
pcmcia: use proper printk format for resource
pcmcia: remove mailing list, update MAINTAINERS
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git://people.freedesktop.org/~airlied/linux
Pull more drm updates from Dave Airlie:
"Ben missed sending his nouveau tree, but he really didn't have much
stuff in it:
- GP108 acceleration support is enabled by "secure boot" support
- some clockgating work on Kepler, and bunch of fixes
- the bulk of the diff is regenerated firmware files, the change to
them really isn't that large.
Otherwise this contains regular Intel and AMDGPU fixes"
* tag 'drm-for-v4.16-part2-fixes' of git://people.freedesktop.org/~airlied/linux: (59 commits)
drm/i915/bios: add DP max link rate to VBT child device struct
drm/i915/cnp: Properly handle VBT ddc pin out of bounds.
drm/i915/cnp: Ignore VBT request for know invalid DDC pin.
drm/i915/cmdparser: Do not check past the cmd length.
drm/i915/cmdparser: Check reg_table_count before derefencing.
drm/i915/bxt, glk: Increase PCODE timeouts during CDCLK freq changing
drm/i915/gvt: Use KVM r/w to access guest opregion
drm/i915/gvt: Fix aperture read/write emulation when enable x-no-mmap=on
drm/i915/gvt: only reset execlist state of one engine during VM engine reset
drm/i915/gvt: refine intel_vgpu_submission_ops as per engine ops
drm/amdgpu: re-enable CGCG on CZ and disable on ST
drm/nouveau/clk: fix gcc-7 -Wint-in-bool-context warning
drm/nouveau/mmu: Fix trailing semicolon
drm/nouveau: Introduce NvPmEnableGating option
drm/nouveau: Add support for SLCG for Kepler2
drm/nouveau: Add support for BLCG on Kepler2
drm/nouveau: Add support for BLCG on Kepler1
drm/nouveau: Add support for basic clockgating on Kepler1
drm/nouveau/kms/nv50: fix handling of gamma since atomic conversion
drm/nouveau/kms/nv50: use INTERPOLATE_257_UNITY_RANGE LUT on newer chipsets
...
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Pull ceph updates from Ilya Dryomov:
"Things have been very quiet on the rbd side, as work continues on the
big ticket items slated for the next merge window.
On the CephFS side we have a large number of cap handling
improvements, a fix for our long-standing abuse of ->journal_info in
ceph_readpages() and yet another dentry pointer management patch"
* tag 'ceph-for-4.16-rc1' of git://github.com/ceph/ceph-client:
ceph: improving efficiency of syncfs
libceph: check kstrndup() return value
ceph: try to allocate enough memory for reserved caps
ceph: fix race of queuing delayed caps
ceph: delete unreachable code in ceph_check_caps()
ceph: limit rate of cap import/export error messages
ceph: fix incorrect snaprealm when adding caps
ceph: fix un-balanced fsc->writeback_count update
ceph: track read contexts in ceph_file_info
ceph: avoid dereferencing invalid pointer during cached readdir
ceph: use atomic_t for ceph_inode_info::i_shared_gen
ceph: cleanup traceless reply handling for rename
ceph: voluntarily drop Fx cap for readdir request
ceph: properly drop caps for setattr request
ceph: voluntarily drop Lx cap for link/rename requests
ceph: voluntarily drop Ax cap for requests that create new inode
rbd: whitelist RBD_FEATURE_OPERATIONS feature bit
rbd: don't NULL out ->obj_request in rbd_img_obj_parent_read_full()
rbd: use kmem_cache_zalloc() in rbd_img_request_create()
rbd: obj_request->completion is unused
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When using devmap to redirect packets between interfaces,
xdp_do_flush() is usually a must to flush any batched
packets. Unfortunately this is missed in current tuntap
implementation.
Unlike most hardware driver which did XDP inside NAPI loop and call
xdp_do_flush() at then end of each round of poll. TAP did it in the
context of process e.g tun_get_user(). So fix this by count the
pending redirected packets and flush when it exceeds NAPI_POLL_WEIGHT
or MSG_MORE was cleared by sendmsg() caller.
With this fix, xdp_redirect_map works again between two TAPs.
Fixes: 761876c857cb ("tap: XDP support")
Signed-off-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull more arm64 updates from Catalin Marinas:
"As I mentioned in the last pull request, there's a second batch of
security updates for arm64 with mitigations for Spectre/v1 and an
improved one for Spectre/v2 (via a newly defined firmware interface
API).
Spectre v1 mitigation:
- back-end version of array_index_mask_nospec()
- masking of the syscall number to restrict speculation through the
syscall table
- masking of __user pointers prior to deference in uaccess routines
Spectre v2 mitigation update:
- using the new firmware SMC calling convention specification update
- removing the current PSCI GET_VERSION firmware call mitigation as
vendors are deploying new SMCCC-capable firmware
- additional branch predictor hardening for synchronous exceptions
and interrupts while in user mode
Meltdown v3 mitigation update:
- Cavium Thunder X is unaffected but a hardware erratum gets in the
way. The kernel now starts with the page tables mapped as global
and switches to non-global if kpti needs to be enabled.
Other:
- Theoretical trylock bug fixed"
* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (38 commits)
arm64: Kill PSCI_GET_VERSION as a variant-2 workaround
arm64: Add ARM_SMCCC_ARCH_WORKAROUND_1 BP hardening support
arm/arm64: smccc: Implement SMCCC v1.1 inline primitive
arm/arm64: smccc: Make function identifiers an unsigned quantity
firmware/psci: Expose SMCCC version through psci_ops
firmware/psci: Expose PSCI conduit
arm64: KVM: Add SMCCC_ARCH_WORKAROUND_1 fast handling
arm64: KVM: Report SMCCC_ARCH_WORKAROUND_1 BP hardening support
arm/arm64: KVM: Turn kvm_psci_version into a static inline
arm/arm64: KVM: Advertise SMCCC v1.1
arm/arm64: KVM: Implement PSCI 1.0 support
arm/arm64: KVM: Add smccc accessors to PSCI code
arm/arm64: KVM: Add PSCI_VERSION helper
arm/arm64: KVM: Consolidate the PSCI include files
arm64: KVM: Increment PC after handling an SMC trap
arm: KVM: Fix SMCCC handling of unimplemented SMC/HVC calls
arm64: KVM: Fix SMCCC handling of unimplemented SMC/HVC calls
arm64: entry: Apply BP hardening for suspicious interrupts from EL0
arm64: entry: Apply BP hardening for high-priority synchronous exceptions
arm64: futex: Mask __user pointers prior to dereference
...
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Pull virtio/vhost updates from Michael Tsirkin:
"virtio, vhost: fixes, cleanups, features
This includes the disk/cache memory stats for for the virtio balloon,
as well as multiple fixes and cleanups"
* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost:
vhost: don't hold onto file pointer for VHOST_SET_LOG_FD
vhost: don't hold onto file pointer for VHOST_SET_VRING_ERR
vhost: don't hold onto file pointer for VHOST_SET_VRING_CALL
ringtest: ring.c malloc & memset to calloc
virtio_vop: don't kfree device on register failure
virtio_pci: don't kfree device on register failure
virtio: split device_register into device_initialize and device_add
vhost: remove unused lock check flag in vhost_dev_cleanup()
vhost: Remove the unused variable.
virtio_blk: print capacity at probe time
virtio: make VIRTIO a menuconfig to ease disabling it all
virtio/ringtest: virtio_ring: fix up need_event math
virtio/ringtest: fix up need_event math
virtio: virtio_mmio: make of_device_ids const.
firmware: Use PTR_ERR_OR_ZERO()
virtio-mmio: Use PTR_ERR_OR_ZERO()
vhost/scsi: Improve a size determination in four functions
virtio_balloon: include disk/file caches memory statistics
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git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/ath.git
ath.git fixes for 4.16. Major changes:
ath10k
* correct firmware RAM dump length for QCA6174/QCA9377
* add new QCA988X device id
* fix a kernel panic during pci probe
* revert a recent commit which broke ath10k firmware metadata parsing
ath9k
* fix a noise floor regression introduced during the merge window
* add new device id
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DKMS and similar out-of-tree module replacement services use
module version to make sure the out-of-tree software is not
older than the module shipped with the kernel. We use the
kernel version in ethtool -i output, put it into MODULE_VERSION
as well.
Reported-by: Jan Gutter <jan.gutter@netronome.com>
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Dirk van der Merwe <dirk.vandermerwe@netronome.com>
Reviewed-by: Simon Horman <simon.horman@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Most FWs limit the number of TSO segments a frame can produce
to 64. This is for fairness and efficiency (of FW datapath)
reasons. If a frame with larger number of segments is submitted
the FW will drop it.
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Simon Horman <simon.horman@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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All netdevs which can accept TC offloads must implement
.ndo_set_features(). nfp_reprs currently do not do that, which
means hw-tc-offload can be turned on and off even when offloads
are active.
Whether the offloads are active is really a question to nfp_ports,
so remove the per-app tc_busy callback indirection thing, and
simply count the number of offloaded items in nfp_port structure.
Fixes: 8a2768732a4d ("nfp: provide infrastructure for offloading flower based TC filters")
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Simon Horman <simon.horman@netronome.com>
Tested-by: Pieter Jansen van Vuuren <pieter.jansenvanvuuren@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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nfp_port is a structure which represents an ASIC port, both
PCIe vNIC (on a PF or a VF) or the external MAC port. vNIC
netdev (struct nfp_net) and pure representor netdev (struct
nfp_repr) both have a pointer to this structure. nfp_reprs
always have a port associated. nfp_nets, however, only represent
a device port in legacy mode, where they are considered the
MAC port. In switchdev mode they are just the CPU's side of
the PCIe link.
By definition TC offloads only apply to device ports. Don't
set the flag on vNICs without a port (i.e. in switchdev mode).
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Simon Horman <simon.horman@netronome.com>
Tested-by: Pieter Jansen van Vuuren <pieter.jansenvanvuuren@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Upcoming changes will require all netdevs supporting TC offloads
to have a full struct nfp_port. Require those for BPF offload.
The operation without management FW reporting information about
Ethernet ports is something we only support for very old and very
basic NIC firmwares anyway.
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Simon Horman <simon.horman@netronome.com>
Tested-by: Pieter Jansen van Vuuren <pieter.jansenvanvuuren@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This reverts commit 9ed4f91628737c820af6a1815b65bc06bd31518f.
The commit introduced a regression that over read the ie with
the padding.
- the expected IE information
ath10k_pci 0000:03:00.0: found firmware features ie (1 B)
ath10k_pci 0000:03:00.0: Enabling feature bit: 6
ath10k_pci 0000:03:00.0: Enabling feature bit: 7
ath10k_pci 0000:03:00.0: features
ath10k_pci 0000:03:00.0: 00000000: c0 00 00 00 00 00 00 00
- the wrong IE with padding is read (0x77)
ath10k_pci 0000:03:00.0: found firmware features ie (4 B)
ath10k_pci 0000:03:00.0: Enabling feature bit: 6
ath10k_pci 0000:03:00.0: Enabling feature bit: 7
ath10k_pci 0000:03:00.0: Enabling feature bit: 8
ath10k_pci 0000:03:00.0: Enabling feature bit: 9
ath10k_pci 0000:03:00.0: Enabling feature bit: 10
ath10k_pci 0000:03:00.0: Enabling feature bit: 12
ath10k_pci 0000:03:00.0: Enabling feature bit: 13
ath10k_pci 0000:03:00.0: Enabling feature bit: 14
ath10k_pci 0000:03:00.0: Enabling feature bit: 16
ath10k_pci 0000:03:00.0: Enabling feature bit: 17
ath10k_pci 0000:03:00.0: Enabling feature bit: 18
ath10k_pci 0000:03:00.0: features
ath10k_pci 0000:03:00.0: 00000000: c0 77 07 00 00 00 00 00
Tested-by: Mike Lothian <mike@fireburn.co.uk>
Signed-off-by: Ryan Hsu <ryanhsu@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Immed relocation is missing a shift which means for larger
offsets the lower and higher part of the address would be
ORed together.
Fixes: ce4ebfd859c3 ("nfp: bpf: add helpers for updating immediate instructions")
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Jiong Wang <jiong.wang@netronome.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
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* acpi-video:
ACPI / video: Use true for boolean value
* acpi-battery:
ACPI / battery: Add quirk for Asus UX360UA and UX410UAK
* acpi-cppc:
ACPI / CPPC: Use 64-bit arithmetic instead of 32-bit
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* acpi-tables:
ACPI: SPCR: Make SPCR available to x86
ACPI / tables: Add IORT to injectable table list
* acpi-bus:
ACPI / bus: Parse tables as term_list for Dell XPS 9570 and Precision M5530
ACPI / scan: Use acpi_bus_get_status() to initialize ACPI_TYPE_DEVICE devs
ACPI / bus: Do not call _STA on battery devices with unmet dependencies
PCI: acpiphp_ibm: prepare for acpi_get_object_info() no longer returning status
ACPI: export acpi_bus_get_status_handle()
* acpi-processor:
ACPI / processor: Set default C1 idle state description
ACPI: processor_perflib: Do not send _PPC change notification if not ready
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* acpica:
ACPICA: Update version to 20180105
ACPICA: All acpica: Update copyrights to 2018
ACPICA: Add a missing pair of parentheses
ACPICA: Prefer ACPI_TO_POINTER() over ACPI_ADD_PTR()
ACPICA: Avoid NULL pointer arithmetic
ACPICA: Linux: add support for X32 ABI compilation
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* pm-cpufreq:
arm: imx: Add MODULE_ALIAS for cpufreq
cpufreq: Add and use cpufreq_for_each_{valid_,}entry_idx()
cpufreq: intel_pstate: Enable HWP during system resume on CPU0
cpufreq: scpi: fix error return code in scpi_cpufreq_init()
cpufreq: scpi: fix static checker warning cdev isn't an ERR_PTR
cpufreq: remove at32ap-cpufreq
cpufreq: AMD: Ignore the check for ProcFeedback in ST/CZ
cpufreq: Skip cpufreq resume if it's not suspended
* pm-cpuidle:
x86: PM: Make APM idle driver initialize polling state
* pm-domains:
PM / domains: Fix up domain-idle-states OF parsing
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Without this, the imx6q-cpufreq driver isn't loaded
automatically when built as a module
Tested on wandboard quad with a fedora 27 kernel rpm
Signed-off-by: Nicolas Chauvet <kwizart@gmail.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Pointer subtraction is slow and tedious. Therefore, replace all instances
where cpufreq_for_each_{valid_,}entry loops contained such substractions
with an iteration macro providing an index to the frequency_table entry.
Suggested-by: Al Viro <viro@ZenIV.linux.org.uk>
Link: http://lkml.kernel.org/r/20180120020237.GM13338@ZenIV.linux.org.uk
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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When maxcpus=1 is in the kernel command line, the BP is responsible
for re-enabling the HWP - because currently only the APs invoke
intel_pstate_hwp_enable() during their online process - which might
put the system into unstable state after resume.
Fix this by enabling the HWP explicitly on BP during resume.
Reported-by: Doug Smythies <dsmythies@telus.net>
Suggested-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Yu Chen <yu.c.chen@intel.com>
[ rjw: Subject/changelog, minor modifications ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Fix to return a negative error code from the clk_get() error handling
case instead of 0, as done elsewhere in this function.
Fixes: 343a8d17fa8d (cpufreq: scpi: remove arm_big_little dependency)
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Acked-by: Sudeep Holla <sudeep.holla@arm.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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There's no need to be printing a raw kernel pointer to the kernel log at
every boot. So just remove it, and change the whole message to use the
correct dev_info() call at the same time.
Reported-by: Wang Qize <wang_qize@venustech.com.cn>
Cc: All applicable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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It was discovered that simple program which indefinitely sends 200b UDP
packets and runs on TI AM574x SoC (SMP) under RT Kernel triggers network
watchdog timeout in TI CPSW driver (<6 hours run). The network watchdog
timeout is triggered due to race between cpsw_ndo_start_xmit() and
cpsw_tx_handler() [NAPI]
cpsw_ndo_start_xmit()
if (unlikely(!cpdma_check_free_tx_desc(txch))) {
txq = netdev_get_tx_queue(ndev, q_idx);
netif_tx_stop_queue(txq);
^^ as per [1] barier has to be used after set_bit() otherwise new value
might not be visible to other cpus
}
cpsw_tx_handler()
if (unlikely(netif_tx_queue_stopped(txq)))
netif_tx_wake_queue(txq);
and when it happens ndev TX queue became disabled forever while driver's HW
TX queue is empty.
Fix this, by adding smp_mb__after_atomic() after netif_tx_stop_queue()
calls and double check for free TX descriptors after stopping ndev TX queue
- if there are free TX descriptors wake up ndev TX queue.
[1] https://www.kernel.org/doc/html/latest/core-api/atomic_ops.html
Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Reviewed-by: Ivan Khoronzhuk <ivan.khoronzhuk@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This change will guard against a double free in the case that the
buffers were previously freed at some other time, such as during
a device reset. It resolves a kernel oops that occurred when changing
the VNIC device's MTU.
Signed-off-by: Thomas Falcon <tlfalcon@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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