Pull cpu hotplug fixes from Thomas Gleixner:
"Two fixes for the cpu hotplug machinery:
- Replace the overly clever 'SMT disabled by BIOS' detection logic as
it breaks KVM scenarios and prevents speculation control updates
when the Hyperthreads are brought online late after boot.
- Remove a redundant invocation of the speculation control update
function"
* 'smp-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
cpu/hotplug: Fix "SMT disabled by BIOS" detection for KVM
x86/speculation: Remove redundant arch_smt_update() invocation
Pull perf fixes from Thomas Gleixner:
"A pile of perf updates:
- Fix broken sanity check in the /proc/sys/kernel/perf_cpu_time_max_percent
write handler
- Cure a perf script crash which caused by an unitinialized data
structure
- Highlight the hottest instruction in perf top and not a random one
- Cure yet another clang issue when building perf python
- Handle topology entries with no CPU correctly in the tools
- Handle perf data which contains both tracepoints and performance
counter entries correctly.
- Add a missing NULL pointer check in perf ordered_events_free()"
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf script: Fix crash when processing recorded stat data
perf top: Fix wrong hottest instruction highlighted
perf tools: Handle TOPOLOGY headers with no CPU
perf python: Remove -fstack-clash-protection when building with some clang versions
perf core: Fix perf_proc_update_handler() bug
perf script: Fix crash with printing mixed trace point and other events
perf ordered_events: Fix crash in ordered_events__free
Pull EFI fix from Thomas Gleixner:
"The dump info for the efi page table debugging lacks a terminator
which causes the kernel to crash when the debugfile is read"
* 'efi-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
efi/arm64: Fix debugfs crash by adding a terminator for ptdump marker
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Merge tag 'for-5.0-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs fixes from David Sterba:
- regression fix: transaction commit can run away due to delayed ref
waiting heuristic, this is not necessary now because of the proper
reservation mechanism introduced in 5.0
- regression fix: potential crash due to use-before-check of an ERR_PTR
return value
- fix for transaction abort during transaction commit that needs to
properly clean up pending block groups
- fix deadlock during b-tree node/leaf splitting, when this happens on
some of the fundamental trees, we must prevent new tree block
allocation to re-enter indirectly via the block group flushing path
- potential memory leak after errors during mount
* tag 'for-5.0-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
btrfs: On error always free subvol_name in btrfs_mount
btrfs: clean up pending block groups when transaction commit aborts
btrfs: fix potential oops in device_list_add
btrfs: don't end the transaction for delayed refs in throttle
Btrfs: fix deadlock when allocating tree block during leaf/node split
Internal injection testing crashed with a console log that said:
mce: [Hardware Error]: CPU 7: Machine Check Exception: f Bank 0: bd80000000100134
This caused a lot of head scratching because the MCACOD (bits 15:0) of
that status is a signature from an L1 data cache error. But Linux says
that it found it in "Bank 0", which on this model CPU only reports L1
instruction cache errors.
The answer was that Linux doesn't initialize "m->bank" in the case that
it finds a fatal error in the mce_no_way_out() pre-scan of banks. If
this was a local machine check, then this partially initialized struct
mce is being passed to mce_panic().
Fix is simple: just initialize m->bank in the case of a fatal error.
Fixes: 40c36e2741 ("x86/mce: Fix incorrect "Machine check from unknown source" message")
Signed-off-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Vishal Verma <vishal.l.verma@intel.com>
Cc: x86-ml <x86@kernel.org>
Cc: stable@vger.kernel.org # v4.18 Note pre-v5.0 arch/x86/kernel/cpu/mce/core.c was called arch/x86/kernel/cpu/mcheck/mce.c
Link: https://lkml.kernel.org/r/20190201003341.10638-1-tony.luck@intel.com
Been a busy month, so these are rather later than they should have been.
* atlas-ph-sensor:
- Temperature scale didn't correspond to the ABI.
* axp288:
- A few different fixes around the TS-pin handling.
* ti-ads8688
- Not enough space in the buffer used to build the scan to allow for
the timestamp.
* tools - iio_generic_buffer
- Make num_loops signed so that we really are running for ever
rather than just a long time when we specify -1.
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Merge tag 'iio-fixes-5.0a' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-linus
Jonathan writes:
First set of IIO fixes for the 5.0 cycle.
Been a busy month, so these are rather later than they should have been.
* atlas-ph-sensor:
- Temperature scale didn't correspond to the ABI.
* axp288:
- A few different fixes around the TS-pin handling.
* ti-ads8688
- Not enough space in the buffer used to build the scan to allow for
the timestamp.
* tools - iio_generic_buffer
- Make num_loops signed so that we really are running for ever
rather than just a long time when we specify -1.
* tag 'iio-fixes-5.0a' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio:
iio: ti-ads8688: Update buffer allocation for timestamps
tools: iio: iio_generic_buffer: make num_loops signed
iio: adc: axp288: Fix TS-pin handling
iio: chemical: atlas-ph-sensor: correct IIO_TEMP values to millicelsius
To avoid compatibility issue with older kernels the firmware doesn't
allow SRQ to work with ODP unless kernel asks for it.
Signed-off-by: Moni Shoua <monis@mellanox.com>
Reviewed-by: Majd Dibbiny <majd@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
The device capabilities for ODP structure was missing the field for XRC
transport so add it here.
Signed-off-by: Moni Shoua <monis@mellanox.com>
Reviewed-by: Majd Dibbiny <majd@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
A return statment is not indented correctly, fix this by adding an
extra tab.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
An if statement is indented one level too deep, fix this by removing
the extra tabs. Also add some spaces to the dev_warn arguments to clean
up checkpatch warnings.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The call to bfa_ioc_pf_failed is indented too far, fix this by
removing a tab.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The assignment to size is indented too far, fix this and join
two lines into one.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Now the DMA engine is free to float elsewhere in the system map.
Signed-off-by: Alex Williams <alex.williams@ni.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The DMA engine is a separate entity altogether, and this allows the DMA
controller's address to float elsewhere in the FPGA's map.
Signed-off-by: Alex Williams <alex.williams@ni.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
rtl_wol_pll_power_down() is used in only one place and removing it
makes the code simpler and better readable.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This reverts commit 6623c0fba1.
The original diagnosis was incorrect: it appears that the NIC had
PHY polling mode enabled, which meant that it overwrote the PHYs
advertisement register during negotiation.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Tested-by: Yonglong Liu <liuyonglong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Merge tag 'devicetree-fixes-for-5.0-3' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
Pull Devicetree fix from Rob Herring:
"A single fix for building DT bindings in-tree"
* tag 'devicetree-fixes-for-5.0-3' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
dt-bindings: Fix dt_binding_check target for in tree builds
This patch set contains a handful of mostly-independent patches:
* A patch that causes our port to respect TIF_NEED_RESCHED, which fixes
CONFIG_PREEMPT=y kernels.
* A fix to avoid double-put on OF nodes.
* Fix a misspelling of target in our Kconfig.
* Generic PCIe is enabled in our defconfig.
* A fix to our SBI early console to properly handle line endings.
* A fix such that max_low_pfn is counted in PFNs.
* A change to TASK_UNMAPPED_BASE to match what other arches do.
This has passed by standard "boot Fedora" flow.
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Merge tag 'riscv-for-linus-5.0-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/palmer/riscv-linux
Pull RISC-V fixes from Palmer Dabbelt:
"This contains a handful of mostly-independent patches:
- make our port respect TIF_NEED_RESCHED, which fixes
CONFIG_PREEMPT=y kernels
- fix double-put of OF nodes
- fix a misspelling of target in our Kconfig
- generic PCIe is enabled in our defconfig
- fix our SBI early console to properly handle line
endings
- fix max_low_pfn being counted in PFNs
- a change to TASK_UNMAPPED_BASE to match what other
arches do
This has passed my standard 'boot Fedora' flow"
* tag 'riscv-for-linus-5.0-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/palmer/riscv-linux:
riscv: Adjust mmap base address at a third of task size
riscv: fixup max_low_pfn with PFN_DOWN.
tty/serial: use uart_console_write in the RISC-V SBL early console
RISC-V: defconfig: Add CRYPTO_DEV_VIRTIO=y
RISC-V: defconfig: Enable Generic PCIE by default
RISC-V: defconfig: Move CONFIG_PCI{,E_XILINX}
RISC-V: Kconfig: fix spelling mistake "traget" -> "target"
RISC-V: asm/page.h: fix spelling mistake "CONFIG_64BITS" -> "CONFIG_64BIT"
RISC-V: fix bad use of of_node_put
RISC-V: Add _TIF_NEED_RESCHED check for kernel thread when CONFIG_PREEMPT=y
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Merge tag 'for-linus-20190202' of git://git.kernel.dk/linux-block
Pull block fixes from Jens Axboe:
"A few fixes that should go into this release. This contains:
- MD pull request from Song, fixing a recovery OOM issue (Alexei)
- Fix for a sync related stall (Jianchao)
- Dummy callback for timeouts (Tetsuo)
- IDE atapi sense ordering fix (me)"
* tag 'for-linus-20190202' of git://git.kernel.dk/linux-block:
ide: ensure atapi sense request aren't preempted
blk-mq: fix a hung issue when fsync
block: pass no-op callback to INIT_WORK().
md/raid5: fix 'out of memory' during raid cache recovery
Five minor bug fixes. The libfc one is a tiny memory leak, the zfcp
one is an incorrect user visible parameter and the rest are on error
legs or obscure features.
Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"Five minor bug fixes.
The libfc one is a tiny memory leak, the zfcp one is an incorrect user
visible parameter and the rest are on error legs or obscure features"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: 53c700: pass correct "dev" to dma_alloc_attrs()
scsi: bnx2fc: Fix error handling in probe()
scsi: scsi_debug: fix write_same with virtual_gb problem
scsi: libfc: free skb when receiving invalid flogi resp
scsi: zfcp: fix sysfs block queue limit output for max_segment_size
Merge misc fixes from Andrew Morton:
"24 fixes"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (24 commits)
autofs: fix error return in autofs_fill_super()
autofs: drop dentry reference only when it is never used
fs/drop_caches.c: avoid softlockups in drop_pagecache_sb()
mm: migrate: don't rely on __PageMovable() of newpage after unlocking it
psi: clarify the Kconfig text for the default-disable option
mm, memory_hotplug: __offline_pages fix wrong locking
mm: hwpoison: use do_send_sig_info() instead of force_sig()
kasan: mark file common so ftrace doesn't trace it
init/Kconfig: fix grammar by moving a closing parenthesis
lib/test_kmod.c: potential double free in error handling
mm, oom: fix use-after-free in oom_kill_process
mm/hotplug: invalid PFNs from pfn_to_online_page()
mm,memory_hotplug: fix scan_movable_pages() for gigantic hugepages
psi: fix aggregation idle shut-off
mm, memory_hotplug: test_pages_in_a_zone do not pass the end of zone
mm, memory_hotplug: is_mem_section_removable do not pass the end of a zone
oom, oom_reaper: do not enqueue same task twice
mm: migrate: make buffer_migrate_page_norefs() actually succeed
kernel/exit.c: release ptraced tasks before zap_pid_ns_processes
x86_64: increase stack size for KASAN_EXTRA
...
Huazhong Tan says:
====================
code optimizations & bugfixes for HNS3 driver
This patchset includes bugfixes and code optimizations for the HNS3
ethernet controller driver
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
When updating the available MAC VLAN table counts,
MAC VLAN table entry count function adds
operation 0 value protection measures.
Signed-off-by: liuzhongzhu <liuzhongzhu@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
In order to prevent the variable anomaly from being larger than desc_num,
the upper limit judgment condition becomes >=.
Signed-off-by: liuzhongzhu <liuzhongzhu@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When user disables vlan filter, and adds vlan device, it won't
notify the driver the update the vlan filter. In this case, when
user enables vlan filter again, the packets with new vlan tag
will be filtered by vlan filter.
Signed-off-by: Jian Shen <shenjian15@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Multiple macros with the largest number of TCs in the system,
optimized to HCLGE_MAX_TC_NUM.
Signed-off-by: liuzhongzhu <liuzhongzhu@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Run ethtool ethx when displaying device information in VF，
the supported port and link mode items will be empty.
This patch fixes it.
Fixes: e2cb1dec97 ("net: hns3: Add HNS3 VF HCL(Hardware Compatibility Layer) Support")
Signed-off-by: liuzhongzhu <liuzhongzhu@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Only the TC is enabled, we need to check whether the buffer is enough,
otherwise it may lead to a wrong -ENOMEM case.
Fixes: 9ffe79a9c2 ("net: hns3: Support for dynamically assigning tx buffer to TC")
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch does not change the code logic. There are some same
set_bit statements called by add/rm_uc/mc_addr_common, and move
this statements into hclge_prepare_mac_addr to reduce duplicate
code.
Signed-off-by: Weihang Li <liweihang@hisilicon.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
For simplifying the code, this patch adds hclge_cmd_check_retval() to
check the return value of the command.
Also, according the IMP's description, when there are several descriptors
in a command, then the IMP will save the return value on the last
description, so hclge_cmd_check_retval() just check the last one for this
case.
Signed-off-by: Weihang Li <liweihang@hisilicon.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
There are four steps to calcuate the rx private buffer, each step
can be done in a function to avoid code duplication and aid code
readability.
This patch adds three separate functions do the job. Also, the
function name more or less make the comment redundant, so remove
some obvious comment.
Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The second parameter to the hook function set_gro_en is always passed in
true/false, so modify it's type from int to bool.
Signed-off-by: Yonglong Liu <liuyonglong@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
HNS3 supports setting rx-usecs|tx-usecs as 0, but it will not
update dynamically when adaptive-tx or adaptive-rx is enable.
This patch removes the Redundant check.
Fixes: a95e1f8666 ("net: hns3: change the time interval of int_gl calculating")
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Use the same code style for rx_group and tx_group in the
hns3_update_new_int_gl().
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
RK805 has the following voltage range for the BUCK1 and BUCK2 regulators:
From 0.7125V to 1.45V in 12.5mV steps, 1.8V, 2V, 2.2V and 2.3V
, which corresponds to the following values as per the RK805
datasheet:
000 000: 0.7125V
000 001: 0.725V
……
111 011: 1.45V
111 100: 1.8V
111 101: 2.0V
111 110: 2.2V
111 111: 2.3V
This means that the voltage range is not linear and so RK805 can not
reuse the same regulator_ops structure from RK808.
Fix it by creating a list with the correct supported voltage values
for RK805 BUCK1 and BUCK2 regulators.
Tested on a rv1108-elgin-r1 board that now correctly reports a BUCK2
voltage of 2.2V instead of the unsupported value of 1.4875V.
Fixes: c4e0d344c1 ("regulator: rk808: Add regulator driver for RK805")
Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
Signed-off-by: Mark Brown <broonie@kernel.org>
rmmod/modprobe tests expose a kernel oops when accessing the dai
driver pointer. This comes from the topology design which operates in
multiple passes. Each object removal happens at a specific iteration,
and the code checks for the iteration (order) number after the memory
containing the order was freed.
Fix this be clearing a reference to the dai driver and check its
validity to avoid dereferences.
Signed-off-by: Guennadi Liakhovetski <guennadi.liakhovetski@intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Reviewed-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Ensure unwind all resources if probe fails.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Reviewed-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Renesas sound device has many IPs and many situations.
If platform/board uses MIXer, situation will be more complex.
To avoid duplicate DVC kctrl registration when MIXer was used,
it had original flags.
But it was issue when sound card was re-binded, because
no one can't cleanup this flags then.
To solve this issue, commit 9c698e8481 ("ASoC: rsnd: tidyup
registering method for rsnd_kctrl_new()") checks registered
card->controls, because if card was re-binded, these were cleanuped
automatically. This patch could solve re-binding issue.
But, it start to avoid MIX kctrl.
To solve these issues, we need below.
To avoid card re-binding issue: check registered card->controls
To avoid duplicate DVC registration: check registered rsnd_kctrl_cfg
To allow multiple MIX registration: check registered rsnd_kctrl_cfg
This patch do it.
Fixes: 9c698e8481 ("ASoC: rsnd: tidyup registering method for rsnd_kctrl_new()")
Reported-by: Jiada Wang <jiada_wang@mentor.com>
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Tested-By: Jiada Wang <jiada_wang@mentor.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
atchan->status variable is used to store two different information:
- pass channel interrupts status from interrupt handler to tasklet;
- channel information like whether it is cyclic or paused;
This causes a bug when device_terminate_all() is called,
(AT_XDMAC_CHAN_IS_CYCLIC cleared on atchan->status) and then a late End
of Block interrupt arrives (AT_XDMAC_CIS_BIS), which sets bit 0 of
atchan->status. Bit 0 is also used for AT_XDMAC_CHAN_IS_CYCLIC, so when
a new descriptor for a cyclic transfer is created, the driver reports
the channel as in use:
if (test_and_set_bit(AT_XDMAC_CHAN_IS_CYCLIC, &atchan->status)) {
dev_err(chan2dev(chan), "channel currently used\n");
return NULL;
}
This patch fixes the bug by adding a different struct member to keep
the interrupts status separated from the channel status bits.
Fixes: e1f7c9eee7 ("dmaengine: at_xdmac: creation of the atmel eXtended DMA Controller driver")
Signed-off-by: Codrin Ciubotariu <codrin.ciubotariu@microchip.com>
Acked-by: Ludovic Desroches <ludovic.desroches@microchip.com>
Signed-off-by: Vinod Koul <vkoul@kernel.org>
"Resource Control" is a very broad term for this CPU feature, and a term
that is also associated with containers, cgroups etc. This can easily
cause confusion.
Make the user prompt more specific. Match the config symbol name.
[ bp: In the future, the corresponding ARM arch-specific code will be
under ARM_CPU_RESCTRL and the arch-agnostic bits will be carved out
under the CPU_RESCTRL umbrella symbol. ]
Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: Babu Moger <Babu.Moger@amd.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: James Morse <james.morse@arm.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
Cc: linux-doc@vger.kernel.org
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Pu Wen <puwen@hygon.cn>
Cc: Reinette Chatre <reinette.chatre@intel.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Tony Luck <tony.luck@intel.com>
Cc: x86-ml <x86@kernel.org>
Link: https://lkml.kernel.org/r/20190130195621.GA30653@cmpxchg.org
Alexei Starovoitov says:
====================
pull-request: bpf-next 2019-02-01
The following pull-request contains BPF updates for your *net-next* tree.
The main changes are:
1) introduce bpf_spin_lock, from Alexei.
2) convert xdp samples to libbpf, from Maciej.
3) skip verifier tests for unsupported program/map types, from Stanislav.
4) powerpc64 JIT support for BTF line info, from Sandipan.
5) assorted fixed, from Valdis, Jesper, Jiong.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Jiong Wang says:
====================
NFP JIT back-end is missing several ALU32 logic shifts support.
Also, shifts with shift amount be zero are not handled properly.
This set cleans up these issues.
====================
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
The following ALU32 logic shift supports are missing:
BPF_ALU | BPF_LSH | BPF_X
BPF_ALU | BPF_RSH | BPF_X
BPF_ALU | BPF_RSH | BPF_K
For BPF_RSH | BPF_K, it could be implemented using NFP direct shift
instruction. For the other BPF_X shifts, NFP indirect shifts sequences need
to be used.
Separate code-gen hook is assigned to each instruction to make the
implementation clear.
Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: Jiong Wang <jiong.wang@netronome.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Shifts by zero do nothing, and should be treated as nops.
Even though compiler is not supposed to generate such instructions and
manual written assembly is unlikely to have them, but they are legal
instructions and have defined behavior.
This patch correct existing shifts code-gen to make sure they do nothing
when shift amount is zero except when the instruction is ALU32 for which
high bits need to be cleared.
For shift amount bigger than type size, already, NFP JIT back-end errors
out for immediate shift and only low 5 bits will be taken into account for
indirect shift which is the same as x86.
Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: Jiong Wang <jiong.wang@netronome.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
- fix ccount_timer_shutdown for secondary CPUs;
- fix secondary CPU initialization;
- fix secondary CPU reset vector clash with double exception vector;
- fix present CPUs when booting with 'maxcpus' parameter;
- limit possible CPUs by configured NR_CPUS;
- issue a warning if xtensa PIC is asked to retrigger anything other
than software IRQ;
- fix masking/unmasking of the first two IRQs on xtensa MX PIC;
- fix typo in Kconfig description for user space unaligned access
feature;
- fix Kconfig warning for selecting BUILTIN_DTB.
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Merge tag 'xtensa-20190201' of git://github.com/jcmvbkbc/linux-xtensa
Pull xtensa fixes from Max Filippov:
- fix ccount_timer_shutdown for secondary CPUs
- fix secondary CPU initialization
- fix secondary CPU reset vector clash with double exception vector
- fix present CPUs when booting with 'maxcpus' parameter
- limit possible CPUs by configured NR_CPUS
- issue a warning if xtensa PIC is asked to retrigger anything other
than software IRQ
- fix masking/unmasking of the first two IRQs on xtensa MX PIC
- fix typo in Kconfig description for user space unaligned access
feature
- fix Kconfig warning for selecting BUILTIN_DTB
* tag 'xtensa-20190201' of git://github.com/jcmvbkbc/linux-xtensa:
xtensa: SMP: limit number of possible CPUs by NR_CPUS
xtensa: rename BUILTIN_DTB to BUILTIN_DTB_SOURCE
xtensa: Fix typo use space=>user space
drivers/irqchip: xtensa-mx: fix mask and unmask
drivers/irqchip: xtensa: add warning to irq_retrigger
xtensa: SMP: mark each possible CPU as present
xtensa: smp_lx200_defconfig: fix vectors clash
xtensa: SMP: fix secondary CPU initialization
xtensa: SMP: fix ccount_timer_shutdown
- Fix module loading when KASLR is configured but disabled at runtime
- Fix accidental IPI when mapping user executable pages
- Ensure hyp-stub and KVM world switch code cannot be kprobed
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Will Deacon:
"Although we're still debugging a few minor arm64-specific issues in
mainline, I didn't want to hold this lot up in the meantime.
We've got an additional KASLR fix after the previous one wasn't quite
complete, a fix for a performance regression when mapping executable
pages into userspace and some fixes for kprobe blacklisting. All
candidates for stable.
Summary:
- Fix module loading when KASLR is configured but disabled at runtime
- Fix accidental IPI when mapping user executable pages
- Ensure hyp-stub and KVM world switch code cannot be kprobed"
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: hibernate: Clean the __hyp_text to PoC after resume
arm64: hyp-stub: Forbid kprobing of the hyp-stub
arm64: kprobe: Always blacklist the KVM world-switch code
arm64: kaslr: ensure randomized quantities are clean also when kaslr is off
arm64: Do not issue IPIs for user executable ptes
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Merge tag '5.0-rc4-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6
Pull smb3 fixes from Steve French:
"SMB3 fixes, some from this week's SMB3 test evemt, 5 for stable and a
particularly important one for queryxattr (see xfstests 70 and 117)"
* tag '5.0-rc4-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6:
cifs: update internal module version number
CIFS: fix use-after-free of the lease keys
CIFS: Do not consider -ENODATA as stat failure for reads
CIFS: Do not count -ENODATA as failure for query directory
CIFS: Fix trace command logging for SMB2 reads and writes
CIFS: Fix possible oops and memory leaks in async IO
cifs: limit amount of data we request for xattrs to CIFSMaxBufSize
cifs: fix computation for MAX_SMB2_HDR_SIZE
