In a couple of points of the control path, n->ht_down is currently
accessed without the required RCU annotation. The accesses are
safe, but sparse complaints. Since we already held the
rtnl lock, let use rtnl_dereference().
Fixes: a1b7c5fd7f ("net: sched: add cls_u32 offload hooks for netdevs")
Fixes: de5df63228 ("net: sched: cls_u32 changes to knode must appear atomic to readers")
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Acked-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Hayes Wang says:
====================
r8152: fix rx issues
The two patched are used to fix rx issues.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Set rx mode before calling netif_wake_queue() when linking on to avoid
the device missing the receiving packets.
The transmission may start after calling netif_wake_queue(), and the
packets of resopnse may reach before calling rtl8152_set_rx_mode()
which let the device could receive packets. Then, the packets of
response would be missed.
Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The device could only check the checksum of TCP and UDP packets. Therefore,
for the IPv4 packets excluding TCP and UDP, the check of checksum is necessary,
even though the IP checksum is correct.
Take ICMP for example, The IP checksum may be correct, but the ICMP checksum
may be wrong.
Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The data pointer in the config space TLV parser already includes
NFP_NET_CFG_TLV_BASE, it should not be added again. Incorrect
offset values were only used in printed user output, rendering
the bug merely cosmetic.
Fixes: 73a0329b05 ("nfp: add TLV capabilities to the BAR")
Signed-off-by: Edwin Peer <edwin.peer@netronome.com>
Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
- make JMicron JMB38x controllers work with IOMMU-equipped systems
- IP-over-1394: allow user-configured MTU of up to 4096 bytes
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Merge tag 'firewire-updates' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394
Pull firewire updates from Stefan Richter
- make JMicron JMB38x controllers work with IOMMU-equipped systems
- IP-over-1394: allow user-configured MTU of up to 4096 bytes
* tag 'firewire-updates' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394:
firewire-ohci: work around oversized DMA reads on JMicron controllers
firewire: net: max MTU off by one
The declaration for swsusp_arch_resume marks it as 'asmlinkage', but the
definition in x86-32 does not, and it fails to include the header with the
declaration. This leads to a warning when building with
link-time-optimizations:
kernel/power/power.h:108:23: error: type of 'swsusp_arch_resume' does not match original declaration [-Werror=lto-type-mismatch]
extern asmlinkage int swsusp_arch_resume(void);
^
arch/x86/power/hibernate_32.c:148:0: note: 'swsusp_arch_resume' was previously declared here
int swsusp_arch_resume(void)
This moves the declaration into a globally visible header file and fixes up
both x86 definitions to match it.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Len Brown <len.brown@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Nicolas Pitre <nico@linaro.org>
Cc: linux-pm@vger.kernel.org
Cc: "Rafael J. Wysocki" <rjw@rjwysocki.net>
Cc: Pavel Machek <pavel@ucw.cz>
Cc: Bart Van Assche <bart.vanassche@wdc.com>
Link: https://lkml.kernel.org/r/20180202145634.200291-2-arnd@arndb.de
In some configurations, 'partial' does not get initialized, as shown by
this gcc-8 warning:
arch/x86/kernel/dumpstack.c: In function 'show_trace_log_lvl':
arch/x86/kernel/dumpstack.c:156:4: error: 'partial' may be used uninitialized in this function [-Werror=maybe-uninitialized]
show_regs_if_on_stack(&stack_info, regs, partial);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
This initializes it to false, to get the previous behavior in this case.
Fixes: a9cdbe72c4 ("x86/dumpstack: Fix partial register dumps")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Nicolas Pitre <nico@linaro.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Borislav Petkov <bpetkov@suse.de>
Cc: Vlastimil Babka <vbabka@suse.cz>
Link: https://lkml.kernel.org/r/20180202145634.200291-1-arnd@arndb.de
Core changes:
- After lengthy discussions and partly due to my ignorance, we have
merged a patch making pinctrl_force_default() and pinctrl_force_sleep()
reprogram the states into the hardware of any hogged pins, even
if they are already in the desired state. This only apply to hogged
pins since groups of pins owned by drivers need to be managed by
each driver, lest they could not do things like runtime PM and
put pins to sleeping state even if the system as a whole is not
in sleep.
New drivers:
- New driver for the Microsemi Ocelot SoC. This is used in ethernet
switches.
- The X-Powers AXP209 GPIO driver was extended to also deal with pin
control and moved over from the GPIO subsystem. This circuit is
a mixed-mode integrated circuit which is part of AllWinner designs.
- New subdriver for the Qualcomm MSM8998 SoC, core of a high end
mobile devices (phones) chipset.
- New subdriver for the ST Microelectronics STM32MP157 MPU and
STM32F769 MCU from the STM32 family.
- New subdriver for the MediaTek MT7622 SoC. This is used for routers,
repeater, gateways and such network infrastructure.
- New subdriver for the NXP (former Freescale) i.MX 6ULL. This SoC has
multimedia features and target "smart devices", I guess in-car
entertainment, in-flight entertainment, industrial control panels etc.
General improvements:
- Incremental improvements on the SH-PFC subdrivers for things like
the CAN bus.
- Enable the glitch filter on Baytrail GPIOs used for interrupts.
- Proper handling of pins to GPIO ranges on the Semtec SX150X
- An IRQ setup ordering fix on MCP23S08.
- A good set of janitorial coding style fixes.
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Merge tag 'pinctrl-v4.16-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pin control updates from Linus Walleij:
"This is the bulk of pin control changes for the v4.16 kernel cycle.
Like with GPIO it is actually a bit calm this time.
Core changes:
- After lengthy discussions and partly due to my ignorance, we have
merged a patch making pinctrl_force_default() and
pinctrl_force_sleep() reprogram the states into the hardware of any
hogged pins, even if they are already in the desired state.
This only apply to hogged pins since groups of pins owned by
drivers need to be managed by each driver, lest they could not do
things like runtime PM and put pins to sleeping state even if the
system as a whole is not in sleep.
New drivers:
- New driver for the Microsemi Ocelot SoC. This is used in ethernet
switches.
- The X-Powers AXP209 GPIO driver was extended to also deal with pin
control and moved over from the GPIO subsystem. This circuit is a
mixed-mode integrated circuit which is part of AllWinner designs.
- New subdriver for the Qualcomm MSM8998 SoC, core of a high end
mobile devices (phones) chipset.
- New subdriver for the ST Microelectronics STM32MP157 MPU and
STM32F769 MCU from the STM32 family.
- New subdriver for the MediaTek MT7622 SoC. This is used for
routers, repeater, gateways and such network infrastructure.
- New subdriver for the NXP (former Freescale) i.MX 6ULL. This SoC
has multimedia features and target "smart devices", I guess in-car
entertainment, in-flight entertainment, industrial control panels
etc.
General improvements:
- Incremental improvements on the SH-PFC subdrivers for things like
the CAN bus.
- Enable the glitch filter on Baytrail GPIOs used for interrupts.
- Proper handling of pins to GPIO ranges on the Semtec SX150X
- An IRQ setup ordering fix on MCP23S08.
- A good set of janitorial coding style fixes"
* tag 'pinctrl-v4.16-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (102 commits)
pinctrl: mcp23s08: fix irq setup order
pinctrl: Forward declare struct device
pinctrl: sunxi: Use of_clk_get_parent_count() instead of open coding
pinctrl: stm32: add STM32F769 MCU support
pinctrl: sx150x: Add a static gpio/pinctrl pin range mapping
pinctrl: sx150x: Register pinctrl before adding the gpiochip
pinctrl: sx150x: Unregister the pinctrl on release
pinctrl: ingenic: Remove redundant dev_err call in ingenic_pinctrl_probe()
pinctrl: sprd: Use seq_putc() in sprd_pinconf_group_dbg_show()
pinctrl: pinmux: Use seq_putc() in pinmux_pins_show()
pinctrl: abx500: Use seq_putc() in abx500_gpio_dbg_show()
pinctrl: mediatek: mt7622: align error handling of mtk_hw_get_value call
pinctrl: mediatek: mt7622: fix potential uninitialized value being returned
pinctrl: uniphier: refactor drive strength get/set functions
pinctrl: imx7ulp: constify struct imx_cfg_params_decode
pinctrl: imx: constify struct imx_pinctrl_soc_info
pinctrl: imx7d: simplify imx7d_pinctrl_probe
pinctrl: imx: use struct imx_pinctrl_soc_info as a const
pinctrl: sunxi-pinctrl: fix pin funtion can not be match correctly.
pinctrl: qcom: Add msm8998 pinctrl driver
...
Fixes: 117cc7a908 ("x86/retpoline: Fill return stack buffer on vmexit")
Signed-off-by: Darren Kenny <darren.kenny@oracle.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: Tom Lendacky <thomas.lendacky@amd.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Arjan van de Ven <arjan@linux.intel.com>
Cc: David Woodhouse <dwmw@amazon.co.uk>
Link: https://lkml.kernel.org/r/20180202191220.blvgkgutojecxr3b@starbug-vm.ie.oracle.com
I'm seeing build failures from the two newly introduced arrays that
are marked 'const' and '__initdata', which are mutually exclusive:
arch/x86/kernel/cpu/common.c:882:43: error: 'cpu_no_speculation' causes a section type conflict with 'e820_table_firmware_init'
arch/x86/kernel/cpu/common.c:895:43: error: 'cpu_no_meltdown' causes a section type conflict with 'e820_table_firmware_init'
The correct annotation is __initconst.
Fixes: fec9434a12 ("x86/pti: Do not enable PTI on CPUs which are not vulnerable to Meltdown")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Ricardo Neri <ricardo.neri-calderon@linux.intel.com>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Borislav Petkov <bp@suse.de>
Cc: Thomas Garnier <thgarnie@google.com>
Cc: David Woodhouse <dwmw@amazon.co.uk>
Link: https://lkml.kernel.org/r/20180202213959.611210-1-arnd@arndb.de
A NULL pointer reference kernel bug was observed when
acpi_nfit_add_dimm() called in acpi_nfit_register_dimms() failed. This
error path does not set nfit_mem->nvdimm, but the 2nd
list_for_each_entry() loop in the function assumes it's always set. Add
a check to nfit_mem->nvdimm.
Cc: <stable@vger.kernel.org>
Fixes: ba9c8dd3c2 ("acpi, nfit: add dimm device notification support")
Signed-off-by: Toshi Kani <toshi.kani@hpe.com>
Cc: "Rafael J. Wysocki" <rjw@rjwysocki.net>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Pull alpha updates from Matt Turner:
"A few small fixes and clean ups"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mattst88/alpha:
alpha: fix crash if pthread_create races with signal delivery
alpha: fix formating of stack content
alpha: fix reboot on Avanti platform
alpha: deprecate pci_get_bus_and_slot()
alpha: Fix mixed up args in EXC macro in futex operations
alpha: osf_sys.c: use timespec64 where appropriate
alpha: osf_sys.c: fix put_tv32 regression
alpha: make thread_saved_pc static
alpha: make XTABS equivalent to TAB3
Sync tools/arch/x86/include/asm/{cpu,disabled-,required-}features.h with
the changes in:
2961298efe ("x86/cpufeatures: Clean up Spectre v2 related CPUID flags")
20ffa1caec ("x86/speculation: Add basic IBPB (Indirect Branch Prediction Barrier) support")
5d10cbc91d ("x86/cpufeatures: Add AMD feature bits for Speculation Control")
fc67dd70ad ("x86/cpufeatures: Add Intel feature bits for Speculation Control")
95ca0ee863 ("x86/cpufeatures: Add CPUID_7_EDX CPUID leaf")
a511e79353 ("x86/intel_rdt: Enumerate L2 Code and Data Prioritization (CDP) feature")
4fdec2034b ("x86/cpufeature: Move processor tracing out of scattered features")
c995efd5a7 ("x86/retpoline: Fill RSB on context switch for affected CPUs")
76b043848f ("x86/retpoline: Add initial retpoline support")
99c6fa2511 ("x86/cpufeatures: Add X86_BUG_SPECTRE_V[12]")
de791821c2 ("x86/pti: Rename BUG_CPU_INSECURE to BUG_CPU_MELTDOWN")
6cff64b86a ("x86/mm: Use INVPCID for __native_flush_tlb_single()")
None will entail changes in the tools/perf/, synchronizing to elliminate
these perf build warnings:
Warning: Kernel ABI header at 'tools/arch/x86/include/asm/disabled-features.h' differs from latest version at 'arch/x86/include/asm/disabled-features.h'
Warning: Kernel ABI header at 'tools/arch/x86/include/asm/required-features.h' differs from latest version at 'arch/x86/include/asm/required-features.h'
Warning: Kernel ABI header at 'tools/arch/x86/include/asm/cpufeatures.h' differs from latest version at 'arch/x86/include/asm/cpufeatures.h'
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: David Woodhouse <dwmw@amazon.co.uk>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Wang Nan <wangnan0@huawei.com>
Link: https://lkml.kernel.org/n/tip-dbdjack1k92xar5ccuq4el1h@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
To get the tools copy updated with the changes in 34be39305a
("sched/deadline: Implement "runtime overrun signal" support"), that
cause no effect on the tools, will be used when we start copying the
sched_attr struct argument to the sched_get/setattr syscalls.
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Juri Lelli <juri.lelli@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: https://lkml.kernel.org/n/tip-8rododhs87x8hv9k83qcdtne@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
The changes in the 3214d01f13 ("KVM: PPC: Book3S: Provide information
about hardware/firmware CVE workarounds") commit right now will not
produce any change in the tools, but that is because we still need to
improve tools/perf/trace/beauty/kvm_ioctl.sh to build per arch string
tables, so that we avoid assigning multiple times to the same command
string entry, i.e. multiple defines, for different arches, have the same
value, causing this:
In file included from trace/beauty/ioctl.c:82:0:
/tmp/build/perf/trace/beauty/generated/ioctl/kvm_ioctl_array.c: In function ‘ioctl__scnprintf_kvm_cmd’:
/tmp/build/perf/trace/beauty/generated/ioctl/kvm_ioctl_array.c:76:11: error: initialized field overwritten [-Werror=override-init]
/tmp/build/perf/trace/beauty/generated/ioctl/kvm_ioctl_array.c:88:11: note: (near initialization for ‘kvm_ioctl_cmds[165]’)
/tmp/build/perf/trace/beauty/generated/ioctl/kvm_ioctl_array.c:90:11: error: initialized field overwritten [-Werror=override-init]
[0xa6] = "PPC_GET_SMMU_INFO",
^~~~~~~~~~~~~~~~~~~
So the onlye effect of updating the tools/ copy of ppc's kvm.h header
is to silence these perf build warnings:
Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from latest version at 'include/uapi/linux/kvm.h'
Warning: Kernel ABI header at 'tools/arch/powerpc/include/uapi/asm/kvm.h' differs from latest version at 'arch/powerpc/include/uapi/asm/kvm.h'
At some point we should do what we did for the errno tables and create
per-arch string translation tables for the KVM ioctl commands for the
architectures supporting KVM, such as s/390, PowerPC, x86_64 and ARM.
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@ozlabs.org>
Cc: Ravi Bangoria <ravi.bangoria@linux.vnet.ibm.com>
Cc: Thomas Richter <tmricht@linux.vnet.ibm.com>
Cc: Wang Nan <wangnan0@huawei.com>
Link: https://lkml.kernel.org/n/tip-jmcf78tqiudgn46zqfw2tgt2@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
The 35b3fde620 ("KVM: s390: wire up bpb feature") was noticed by the
perf build process:
Warning: Kernel ABI header at 'tools/arch/s390/include/uapi/asm/kvm.h' differs from latest version at 'arch/s390/include/uapi/asm/kvm.h'
The changes in this cset don't cause or require changes in tools/perf/,
so just update the copy to silence the build warning.
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Christian Borntraeger <borntraeger@de.ibm.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Radim Krčmář <rkrcmar@redhat.com>
Cc: Wang Nan <wangnan0@huawei.com>
Link: https://lkml.kernel.org/n/tip-kif2fdkcaewj8iqw6lwyil8s@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Michal Kalderon reports a BUG that occurs just after device removal:
[ 169.112490] rpcrdma: removing device qedr0 for 192.168.110.146:20049
[ 169.143909] BUG: unable to handle kernel NULL pointer dereference at 0000000000000010
[ 169.181837] IP: rpcrdma_dma_unmap_regbuf+0xa/0x60 [rpcrdma]
The RPC/RDMA client transport attempts to allocate some resources
on demand. Registered buffers are one such resource. These are
allocated (or re-allocated) by xprt_rdma_allocate to hold RPC Call
and Reply messages. A hardware resource is associated with each of
these buffers, as they can be used for a Send or Receive Work
Request.
If a device is removed from under an NFS/RDMA mount, the transport
layer is responsible for releasing all hardware resources before
the device can be finally unplugged. A BUG results when the NFS
mount hasn't yet seen much activity: the transport tries to release
resources that haven't yet been allocated.
rpcrdma_free_regbuf() already checks for this case, so just move
that check to cover the DEVICE_REMOVAL case as well.
Reported-by: Michal Kalderon <Michal.Kalderon@cavium.com>
Fixes: bebd031866 ("xprtrdma: Support unplugging an HCA ...")
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Tested-by: Michal Kalderon <Michal.Kalderon@cavium.com>
Cc: stable@vger.kernel.org # v4.12+
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Commit 16f906d66c ("xprtrdma: Reduce required number of send
SGEs") introduced the rpcrdma_ia::ri_max_send_sges field. This fixes
a problem where xprtrdma would not work if the device's max_sge
capability was small (low single digits).
At least RPCRDMA_MIN_SEND_SGES are needed for the inline parts of
each RPC. ri_max_send_sges is set to this value:
ia->ri_max_send_sges = max_sge - RPCRDMA_MIN_SEND_SGES;
Then when marshaling each RPC, rpcrdma_args_inline uses that value
to determine whether the device has enough Send SGEs to convey an
NFS WRITE payload inline, or whether instead a Read chunk is
required.
More recently, commit ae72950abf ("xprtrdma: Add data structure to
manage RDMA Send arguments") used the ri_max_send_sges value to
calculate the size of an array, but that commit erroneously assumed
ri_max_send_sges contains a value similar to the device's max_sge,
and not one that was reduced by the minimum SGE count.
This assumption results in the calculated size of the sendctx's
Send SGE array to be too small. When the array is used to marshal
an RPC, the code can write Send SGEs into the following sendctx
element in that array, corrupting it. When the device's max_sge is
large, this issue is entirely harmless; but it results in an oops
in the provider's post_send method, if dev.attrs.max_sge is small.
So let's straighten this out: ri_max_send_sges will now contain a
value with the same meaning as dev.attrs.max_sge, which makes
the code easier to understand, and enables rpcrdma_sendctx_create
to calculate the size of the SGE array correctly.
Reported-by: Michal Kalderon <Michal.Kalderon@cavium.com>
Fixes: 16f906d66c ("xprtrdma: Reduce required number of send SGEs")
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Tested-by: Michal Kalderon <Michal.Kalderon@cavium.com>
Cc: stable@vger.kernel.org # v4.10+
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Highlights:
- Enable support for memory protection keys aka "pkeys" on Power7/8/9 when
using the hash table MMU.
- Extend our interrupt soft masking to support masking PMU interrupts as well
as "normal" interrupts, and then use that to implement local_t for a ~4x
speedup vs the current atomics-based implementation.
- A new driver "ocxl" for "Open Coherent Accelerator Processor Interface
(OpenCAPI)" devices.
- Support for new device tree properties on PowerVM to describe hotpluggable
memory and devices.
- Add support for CLOCK_{REALTIME/MONOTONIC}_COARSE to the 64-bit VDSO.
- Freescale updates from Scott:
"Contains fixes for CPM GPIO and an FSL PCI erratum workaround, plus a
minor cleanup patch."
As well as quite a lot of other changes all over the place, and small fixes and
cleanups as always.
Thanks to:
Alan Modra, Alastair D'Silva, Alexey Kardashevskiy, Alistair Popple, Andreas
Schwab, Andrew Donnellan, Aneesh Kumar K.V, Anju T Sudhakar, Anshuman
Khandual, Anton Blanchard, Arnd Bergmann, Balbir Singh, Benjamin
Herrenschmidt, Bhaktipriya Shridhar, Bryant G. Ly, Cédric Le Goater,
Christophe Leroy, Christophe Lombard, Cyril Bur, David Gibson, Desnes A. Nunes
do Rosario, Dmitry Torokhov, Frederic Barrat, Geert Uytterhoeven, Guilherme G.
Piccoli, Gustavo A. R. Silva, Gustavo Romero, Ivan Mikhaylov, Joakim
Tjernlund, Joe Perches, Josh Poimboeuf, Juan J. Alvarez, Julia Cartwright,
Kamalesh Babulal, Madhavan Srinivasan, Mahesh Salgaonkar, Mathieu Malaterre,
Michael Bringmann, Michael Hanselmann, Michael Neuling, Nathan Fontenot,
Naveen N. Rao, Nicholas Piggin, Paul Mackerras, Philippe Bergheaud, Ram Pai,
Russell Currey, Santosh Sivaraj, Scott Wood, Seth Forshee, Simon Guo, Stewart
Smith, Sukadev Bhattiprolu, Thiago Jung Bauermann, Vaibhav Jain, Vasyl
Gomonovych.
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Merge tag 'powerpc-4.16-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc updates from Michael Ellerman:
"Highlights:
- Enable support for memory protection keys aka "pkeys" on Power7/8/9
when using the hash table MMU.
- Extend our interrupt soft masking to support masking PMU interrupts
as well as "normal" interrupts, and then use that to implement
local_t for a ~4x speedup vs the current atomics-based
implementation.
- A new driver "ocxl" for "Open Coherent Accelerator Processor
Interface (OpenCAPI)" devices.
- Support for new device tree properties on PowerVM to describe
hotpluggable memory and devices.
- Add support for CLOCK_{REALTIME/MONOTONIC}_COARSE to the 64-bit
VDSO.
- Freescale updates from Scott: fixes for CPM GPIO and an FSL PCI
erratum workaround, plus a minor cleanup patch.
As well as quite a lot of other changes all over the place, and small
fixes and cleanups as always.
Thanks to: Alan Modra, Alastair D'Silva, Alexey Kardashevskiy,
Alistair Popple, Andreas Schwab, Andrew Donnellan, Aneesh Kumar K.V,
Anju T Sudhakar, Anshuman Khandual, Anton Blanchard, Arnd Bergmann,
Balbir Singh, Benjamin Herrenschmidt, Bhaktipriya Shridhar, Bryant G.
Ly, Cédric Le Goater, Christophe Leroy, Christophe Lombard, Cyril Bur,
David Gibson, Desnes A. Nunes do Rosario, Dmitry Torokhov, Frederic
Barrat, Geert Uytterhoeven, Guilherme G. Piccoli, Gustavo A. R. Silva,
Gustavo Romero, Ivan Mikhaylov, Joakim Tjernlund, Joe Perches, Josh
Poimboeuf, Juan J. Alvarez, Julia Cartwright, Kamalesh Babulal,
Madhavan Srinivasan, Mahesh Salgaonkar, Mathieu Malaterre, Michael
Bringmann, Michael Hanselmann, Michael Neuling, Nathan Fontenot,
Naveen N. Rao, Nicholas Piggin, Paul Mackerras, Philippe Bergheaud,
Ram Pai, Russell Currey, Santosh Sivaraj, Scott Wood, Seth Forshee,
Simon Guo, Stewart Smith, Sukadev Bhattiprolu, Thiago Jung Bauermann,
Vaibhav Jain, Vasyl Gomonovych"
* tag 'powerpc-4.16-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (199 commits)
powerpc/mm/radix: Fix build error when RADIX_MMU=n
macintosh/ams-input: Use true and false for boolean values
macintosh: change some data types from int to bool
powerpc/watchdog: Print the NIP in soft_nmi_interrupt()
powerpc/watchdog: regs can't be null in soft_nmi_interrupt()
powerpc/watchdog: Tweak watchdog printks
powerpc/cell: Remove axonram driver
rtc-opal: Fix handling of firmware error codes, prevent busy loops
powerpc/mpc52xx_gpt: make use of raw_spinlock variants
macintosh/adb: Properly mark continued kernel messages
powerpc/pseries: Fix cpu hotplug crash with memoryless nodes
powerpc/numa: Ensure nodes initialized for hotplug
powerpc/numa: Use ibm,max-associativity-domains to discover possible nodes
powerpc/kernel: Block interrupts when updating TIDR
powerpc/powernv/idoa: Remove unnecessary pcidev from pci_dn
powerpc/mm/nohash: do not flush the entire mm when range is a single page
powerpc/pseries: Add Initialization of VF Bars
powerpc/pseries/pci: Associate PEs to VFs in configure SR-IOV
powerpc/eeh: Add EEH notify resume sysfs
powerpc/eeh: Add EEH operations to notify resume
...
Pull ARM updates from Russell King:
- StrongARM SA1111 updates to modernise and remove cruft
- Add StrongARM gpio drivers for board GPIOs
- Verify size of zImage is what we expect to avoid issues with
appended DTB
- nommu updates from Vladimir Murzin
- page table read-write-execute checking from Jinbum Park
- Broadcom Brahma-B15 cache updates from Florian Fainelli
- Avoid failure with kprobes test caused by inappropriately
placed kprobes
- Remove __memzero optimisation (which was incorrectly being
used directly by some drivers)
* 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm: (32 commits)
ARM: 8745/1: get rid of __memzero()
ARM: 8744/1: don't discard memblock for kexec
ARM: 8743/1: bL_switcher: add MODULE_LICENSE tag
ARM: 8742/1: Always use REFCOUNT_FULL
ARM: 8741/1: B15: fix unused label warnings
ARM: 8740/1: NOMMU: Make sure we do not hold stale data in mem[] array
ARM: 8739/1: NOMMU: Setup VBAR/Hivecs for secondaries cores
ARM: 8738/1: Disable CONFIG_DEBUG_VIRTUAL for NOMMU
ARM: 8737/1: mm: dump: add checking for writable and executable
ARM: 8736/1: mm: dump: make the page table dumping seq_file
ARM: 8735/1: mm: dump: make page table dumping reusable
ARM: sa1100/neponset: add GPIO drivers for control and modem registers
ARM: sa1100/assabet: add BCR/BSR GPIO driver
ARM: 8734/1: mm: idmap: Mark variables as ro_after_init
ARM: 8733/1: hw_breakpoint: Mark variables as __ro_after_init
ARM: 8732/1: NOMMU: Allow userspace to access background MPU region
ARM: 8727/1: MAINTAINERS: Update brcmstb entries to cover B15 code
ARM: 8728/1: B15: Register reboot notifier for KEXEC
ARM: 8730/1: B15: Add suspend/resume hooks
ARM: 8726/1: B15: Add CPU hotplug awareness
...
nft_flow_offload module removal does not require to flush existing
flowtables, it is valid to remove this module while keeping flowtables
around.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
If netdevice goes down, then flowtable entries are scheduled to be
removed. Wait for garbage collector to have a chance to run so it can
delete them from the hashtable.
The flush call might sleep, so hold the nfnl mutex from
nft_flow_table_iterate() instead of rcu read side lock. The use of the
nfnl mutex is also implicitly fixing races between updates via nfnetlink
and netdevice event.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
xt_cgroup_info_v1->priv is an internal pointer only used for kernel,
we should not trust what user-space provides.
Reported-by: <syzbot+4fbcfcc0d2e6592bd641@syzkaller.appspotmail.com>
Fixes: c38c4597e4 ("netfilter: implement xt_cgroup cgroup2 path match")
Cc: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Due to a bad merge resolution between commit f298103359 ("KVM/x86:
Check input paging mode when cs.l is set") and commit b4ef9d4e8c
("KVM: Move vcpu_load to arch-specific kvm_arch_vcpu_ioctl_set_sregs"),
there is a case in kvm_arch_vcpu_ioctl_set_sregs() where vcpu_put() is
not called after vcpu_get(). Fix it.
Reported-by: syzbot <syzkaller@googlegroups.com>
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
skd includes slab_def.h to get access to the slab cache object size.
However, including this header breaks when we use SLUB or SLOB instead of
the SLAB allocator, since the structure layout is completely different,
as shown by this warning when we build this driver in one of the invalid
configurations with link-time optimizations enabled:
include/linux/slab.h:715:0: error: type of 'kmem_cache_size' does not match original declaration [-Werror=lto-type-mismatch]
unsigned int kmem_cache_size(struct kmem_cache *s);
mm/slab_common.c:77:14: note: 'kmem_cache_size' was previously declared here
unsigned int kmem_cache_size(struct kmem_cache *s)
^
mm/slab_common.c:77:14: note: code may be misoptimized unless -fno-strict-aliasing is used
include/linux/slab.h:147:0: error: type of 'kmem_cache_destroy' does not match original declaration [-Werror=lto-type-mismatch]
void kmem_cache_destroy(struct kmem_cache *);
mm/slab_common.c:858:6: note: 'kmem_cache_destroy' was previously declared here
void kmem_cache_destroy(struct kmem_cache *s)
^
mm/slab_common.c:858:6: note: code may be misoptimized unless -fno-strict-aliasing is used
include/linux/slab.h:140:0: error: type of 'kmem_cache_create' does not match original declaration [-Werror=lto-type-mismatch]
struct kmem_cache *kmem_cache_create(const char *name, size_t size,
mm/slab_common.c:534:1: note: 'kmem_cache_create' was previously declared here
kmem_cache_create(const char *name, size_t size, size_t align,
^
This removes the header inclusion and instead uses the kmem_cache_size()
interface to get the size in a reliable way.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Blank help texts are probably either a typo, a Kconfig misunderstanding,
or some kind of half-committing to adding a help text (in which case a
TODO comment would be clearer, if the help text really can't be added
right away).
Best to flag them, IMO.
Example warning:
drivers/mmc/host/Kconfig:877: warning: 'MMC_TOSHIBA_PCI' defined with blank help text
Signed-off-by: Ulf Magnusson <ulfalizer@gmail.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Blank help texts are probably either a typo, a Kconfig misunderstanding,
or some kind of half-committing to adding a help text (in which case a
TODO comment would be clearer, if the help text really can't be added
right away).
Best to remove them, IMO.
Signed-off-by: Ulf Magnusson <ulfalizer@gmail.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Acked-by: Ley Foon Tan <ley.foon.tan@intel.com>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
It's expensive to set buffer flags that are already set, because that
causes a costly cache line transition.
A common case is setting the "verified" flag during ext4 writes.
This patch checks for the flag being set first.
With the AIM7/creat-clo benchmark testing on a 48G ramdisk based-on ext4
file system, we see 3.3%(15431->15936) improvement of aim7.jobs-per-min on
a 2-sockets broadwell platform.
What the benchmark does is: it forks 3000 processes, and each process do
the following:
a) open a new file
b) close the file
c) delete the file
until loop=100*1000 times.
The original patch is contributed by Andi Kleen.
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Tested-by: Kemi Wang <kemi.wang@intel.com>
Signed-off-by: Kemi Wang <kemi.wang@intel.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Blank help texts are probably either a typo, a Kconfig misunderstanding,
or some kind of half-committing to adding a help text (in which case a
TODO comment would be clearer, if the help text really can't be added
right away).
Best to remove them, IMO.
Signed-off-by: Ulf Magnusson <ulfalizer@gmail.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Blank help texts are probably either a typo, a Kconfig misunderstanding,
or some kind of half-committing to adding a help text (in which case a
TODO comment would be clearer, if the help text really can't be added
right away).
Best to remove them, IMO.
Signed-off-by: Ulf Magnusson <ulfalizer@gmail.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Blank help texts are probably either a typo, a Kconfig misunderstanding,
or some kind of half-committing to adding a help text (in which case a
TODO comment would be clearer, if the help text really can't be added
right away).
Best to remove them, IMO.
Signed-off-by: Ulf Magnusson <ulfalizer@gmail.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Blank help texts are probably either a typo, a Kconfig misunderstanding,
or some kind of half-committing to adding a help text (in which case a
TODO comment would be clearer, if the help text really can't be added
right away).
Best to remove them, IMO.
Signed-off-by: Ulf Magnusson <ulfalizer@gmail.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Blank help texts are probably either a typo, a Kconfig misunderstanding,
or some kind of half-committing to adding a help text (in which case a
TODO comment would be clearer, if the help text really can't be added
right away).
Best to remove them, IMO.
Signed-off-by: Ulf Magnusson <ulfalizer@gmail.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Blank help texts are probably either a typo, a Kconfig misunderstanding,
or some kind of half-committing to adding a help text (in which case a
TODO comment would be clearer, if the help text really can't be added
right away).
Best to remove them, IMO.
Signed-off-by: Ulf Magnusson <ulfalizer@gmail.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Blank help texts are probably either a typo, a Kconfig misunderstanding,
or some kind of half-committing to adding a help text (in which case a
TODO comment would be clearer, if the help text really can't be added
right away).
Best to remove them, IMO.
Signed-off-by: Ulf Magnusson <ulfalizer@gmail.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Blank help texts are probably either a typo, a Kconfig misunderstanding,
or some kind of half-committing to adding a help text (in which case a
TODO comment would be clearer, if the help text really can't be added
right away).
Best to remove them, IMO.
Signed-off-by: Ulf Magnusson <ulfalizer@gmail.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
config NF_FLOW_TABLE depends on NETFILTER_INGRESS. If users forget to
enable this toggle, flowtable registration fails with EOPNOTSUPP.
Moreover, turn 'select NF_FLOW_TABLE' in every flowtable family flavour
into dependency instead, otherwise this new dependency on
NETFILTER_INGRESS causes a warning. This also allows us to remove the
explicit dependency between family flowtables <-> NF_TABLES and
NF_CONNTRACK, given they depend on the NF_FLOW_TABLE core that already
expresses the general dependencies for this new infrastructure.
Moreover, NF_FLOW_TABLE_INET depends on NF_FLOW_TABLE_IPV4 and
NF_FLOWTABLE_IPV6, which already depends on NF_FLOW_TABLE. So we can get
rid of direct dependency with NF_FLOW_TABLE.
In general, let's avoid 'select', it just makes things more complicated.
Reported-by: John Crispin <john@phrozen.org>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Failures were seen in ICMPv6 fragmentation timeout tests if they were
run after the RFC2460 failure tests. Kernel was not sending out the
ICMPv6 fragment reassembly time exceeded packet after the fragmentation
reassembly timeout of 1 minute had elapsed.
This happened because the frag queue was not released if an error in
IPv6 fragmentation header was detected by RFC2460.
Fixes: 83f1999cae ("netfilter: ipv6: nf_defrag: Pass on packets to stack per RFC2460")
Signed-off-by: Subash Abhinov Kasiviswanathan <subashab@codeaurora.org>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
syzbot has noticed that xt_alloc_table_info can allocate a lot of memory.
This is an admin only interface but an admin in a namespace is sufficient
as well. eacd86ca3b ("net/netfilter/x_tables.c: use kvmalloc() in
xt_alloc_table_info()") has changed the opencoded kmalloc->vmalloc
fallback into kvmalloc. It has dropped __GFP_NORETRY on the way because
vmalloc has simply never fully supported __GFP_NORETRY semantic. This is
still the case because e.g. page tables backing the vmalloc area are
hardcoded GFP_KERNEL.
Revert back to __GFP_NORETRY as a poors man defence against excessively
large allocation request here. We will not rule out the OOM killer
completely but __GFP_NORETRY should at least stop the large request in
most cases.
[akpm@linux-foundation.org: coding-style fixes]
Fixes: eacd86ca3b ("net/netfilter/x_tables.c: use kvmalloc() in xt_alloc_tableLink: http://lkml.kernel.org/r/20180130140104.GE21609@dhcp22.suse.cz
Signed-off-by: Michal Hocko <mhocko@suse.com>
Acked-by: Florian Westphal <fw@strlen.de>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Cc: David S. Miller <davem@davemloft.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
The added documentation explains how generated codes may differ
between clang bpf target and default target, and when to use
each target.
Signed-off-by: Yonghong Song <yhs@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Intermittently security.ima is not being written for new files. This
patch re-initializes the new slab iint->atomic_flags field before
freeing it.
Fixes: commit 0d73a55208 ("ima: re-introduce own integrity cache lock")
Signed-off-by: Mimi Zohar <zohar@linux.vnet.ibm.com>
Signed-off-by: James Morris <jmorris@namei.org>
Adding James Bottomley as the new maintainer for trusted keys.
Signed-off-by: Mimi Zohar <zohar@linux.vnet.ibm.com>
Signed-off-by: James Morris <jmorris@namei.org>
Remove %p because the kprobe will be dumped in dump_kprobe().
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
