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Pull perf fixes from Thomas Gleixner:
"A couple of fixes for perf and kprobes:
- Add he missing exclude_kernel attribute for the precise_ip level so
!CAP_SYS_ADMIN users get the proper results.
- Warn instead of failing completely when perf has no unwind support
for a particular architectiure built in.
- Ensure that jprobes are at function entry and not at some random
place"
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
kprobes: Ensure that jprobe probepoints are at function entry
kprobes: Simplify register_jprobes()
kprobes: Rename [arch_]function_offset_within_entry() to [arch_]kprobe_on_func_entry()
perf unwind: Do not fail due to missing unwind support
perf evsel: Set attr.exclude_kernel when probing max attr.precise_ip
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Pull locking fixes from Thomas Gleixner:
- Fix the EINTR logic in rwsem-spinlock to avoid double locking by a
writer and a reader
- Add a missing include to qspinlocks
* 'locking-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
locking/qspinlock: Explicitly include asm/prefetch.h
locking/rwsem-spinlock: Fix EINTR branch in __down_write_common()
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Pull irq fixes from Thomas Gleixner:
- A few fixes mopping up the fallout of the big irq overhaul
- Move the interrupt resource management logic out of the spin locked,
irq disabled region to avoid unnecessary restrictions of the resource
callbacks
- Preparation for reworking the per cpu irq request function.
* 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
irqdomain: Allow ACPI device nodes to be used as irqdomain identifiers
genirq/debugfs: Remove redundant NULL pointer check
genirq: Allow to pass the IRQF_TIMER flag with percpu irq request
genirq/timings: Move free timings out of spinlocked region
genirq: Move irq resource handling out of spinlocked region
genirq: Add mutex to irq desc to serialize request/free_irq()
genirq: Move bus locking into __setup_irq()
genirq: Force inlining of __irq_startup_managed to prevent build failure
genirq/debugfs: Fix build for !CONFIG_IRQ_DOMAIN
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Pull objtool fix from Thomas Gleixner:
"A fix to the objtool sibling call detection logic to distinguish
normal jumps inside a function from a real sibling call"
* 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
objtool: Fix sibling call detection logic
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Pull ext4 updates from Ted Ts'o:
"The first major feature for ext4 this merge window is the largedir
feature, which allows ext4 directories to support over 2 billion
directory entries (assuming ~64 byte file names; in practice, users
will run into practical performance limits first.) This feature was
originally written by the Lustre team, and credit goes to Artem
Blagodarenko from Seagate for getting this feature upstream.
The second major major feature allows ext4 to support extended
attribute values up to 64k. This feature was also originally from
Lustre, and has been enhanced by Tahsin Erdogan from Google with a
deduplication feature so that if multiple files have the same xattr
value (for example, Windows ACL's stored by Samba), only one copy will
be stored on disk for encoding and caching efficiency.
We also have the usual set of bug fixes, cleanups, and optimizations"
* tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: (47 commits)
ext4: fix spelling mistake: "prellocated" -> "preallocated"
ext4: fix __ext4_new_inode() journal credits calculation
ext4: skip ext4_init_security() and encryption on ea_inodes
fs: generic_block_bmap(): initialize all of the fields in the temp bh
ext4: change fast symlink test to not rely on i_blocks
ext4: require key for truncate(2) of encrypted file
ext4: don't bother checking for encryption key in ->mmap()
ext4: check return value of kstrtoull correctly in reserved_clusters_store
ext4: fix off-by-one fsmap error on 1k block filesystems
ext4: return EFSBADCRC if a bad checksum error is found in ext4_find_entry()
ext4: return EIO on read error in ext4_find_entry
ext4: forbid encrypting root directory
ext4: send parallel discards on commit completions
ext4: avoid unnecessary stalls in ext4_evict_inode()
ext4: add nombcache mount option
ext4: strong binding of xattr inode references
ext4: eliminate xattr entry e_hash recalculation for removes
ext4: reserve space for xattr entries/names
quota: add get_inode_usage callback to transfer multi-inode charges
ext4: xattr inode deduplication
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Pull fscrypt updates from Ted Ts'o:
"Add support for 128-bit AES and some cleanups to fscrypt"
* tag 'fscrypt_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/fscrypt:
fscrypt: make ->dummy_context() return bool
fscrypt: add support for AES-128-CBC
fscrypt: inline fscrypt_free_filename()
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Pull waitid fix from Al Viro.
* 'waitid-fix' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
fix waitid(2) breakage
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Pull PCI updates from Bjorn Helgaas:
- add sysfs max_link_speed/width, current_link_speed/width (Wong Vee
Khee)
- make host bridge IRQ mapping much more generic (Matthew Minter,
Lorenzo Pieralisi)
- convert most drivers to pci_scan_root_bus_bridge() (Lorenzo
Pieralisi)
- mutex sriov_configure() (Jakub Kicinski)
- mutex pci_error_handlers callbacks (Christoph Hellwig)
- split ->reset_notify() into ->reset_prepare()/reset_done()
(Christoph Hellwig)
- support multiple PCIe portdrv interrupts for MSI as well as MSI-X
(Gabriele Paoloni)
- allocate MSI/MSI-X vector for Downstream Port Containment (Gabriele
Paoloni)
- fix MSI IRQ affinity pre/post/min_vecs issue (Michael Hernandez)
- test INTx masking during enumeration, not at run-time (Piotr Gregor)
- avoid using device_may_wakeup() for runtime PM (Rafael J. Wysocki)
- restore the status of PCI devices across hibernation (Chen Yu)
- keep parent resources that start at 0x0 (Ard Biesheuvel)
- enable ECRC only if device supports it (Bjorn Helgaas)
- restore PRI and PASID state after Function-Level Reset (CQ Tang)
- skip DPC event if device is not present (Keith Busch)
- check domain when matching SMBIOS info (Sujith Pandel)
- mark Intel XXV710 NIC INTx masking as broken (Alex Williamson)
- avoid AMD SB7xx EHCI USB wakeup defect (Kai-Heng Feng)
- work around long-standing Macbook Pro poweroff issue (Bjorn Helgaas)
- add Switchtec "running" status flag (Logan Gunthorpe)
- fix dra7xx incorrect RW1C IRQ register usage (Arvind Yadav)
- modify xilinx-nwl IRQ chip for legacy interrupts (Bharat Kumar
Gogada)
- move VMD SRCU cleanup after bus, child device removal (Jon Derrick)
- add Faraday clock handling (Linus Walleij)
- configure Rockchip MPS and reorganize (Shawn Lin)
- limit Qualcomm TLP size to 2K (hardware issue) (Srinivas Kandagatla)
- support Tegra MSI 64-bit addressing (Thierry Reding)
- use Rockchip normal (not privileged) register bank (Shawn Lin)
- add HiSilicon Kirin SoC PCIe controller driver (Xiaowei Song)
- add Sigma Designs Tango SMP8759 PCIe controller driver (Marc
Gonzalez)
- add MediaTek PCIe host controller support (Ryder Lee)
- add Qualcomm IPQ4019 support (John Crispin)
- add HyperV vPCI protocol v1.2 support (Jork Loeser)
- add i.MX6 regulator support (Quentin Schulz)
* tag 'pci-v4.13-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (113 commits)
PCI: tango: Add Sigma Designs Tango SMP8759 PCIe host bridge support
PCI: Add DT binding for Sigma Designs Tango PCIe controller
PCI: rockchip: Use normal register bank for config accessors
dt-bindings: PCI: Add documentation for MediaTek PCIe
PCI: Remove __pci_dev_reset() and pci_dev_reset()
PCI: Split ->reset_notify() method into ->reset_prepare() and ->reset_done()
PCI: xilinx: Make of_device_ids const
PCI: xilinx-nwl: Modify IRQ chip for legacy interrupts
PCI: vmd: Move SRCU cleanup after bus, child device removal
PCI: vmd: Correct comment: VMD domains start at 0x10000, not 0x1000
PCI: versatile: Add local struct device pointers
PCI: tegra: Do not allocate MSI target memory
PCI: tegra: Support MSI 64-bit addressing
PCI: rockchip: Use local struct device pointer consistently
PCI: rockchip: Check for clk_prepare_enable() errors during resume
MAINTAINERS: Remove Wenrui Li as Rockchip PCIe driver maintainer
PCI: rockchip: Configure RC's MPS setting
PCI: rockchip: Reconfigure configuration space header type
PCI: rockchip: Split out rockchip_pcie_cfg_configuration_accesses()
PCI: rockchip: Move configuration accesses into rockchip_pcie_cfg_atu()
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Pull MD update from Shaohua Li:
- fixed deadlock in MD suspend and a potential bug in bio allocation
(Neil Brown)
- fixed signal issue (Mikulas Patocka)
- fixed typo in FailFast test (Guoqing Jiang)
- other trival fixes
* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/shli/md:
MD: fix sleep in atomic
MD: fix a null dereference
md: use a separate bio_set for synchronous IO.
md: change the initialization value for a spare device spot to MD_DISK_ROLE_SPARE
md/raid1: remove unused bio in sync_request_write
md/raid10: fix FailFast test for wrong device
md: don't use flush_signals in userspace processes
md: fix deadlock between mddev_suspend() and md_write_start()
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Pull input updates from Dmitry Torokhov:
- a new driver for STM FingerTip touchscreen
- a new driver for D-Link DIR-685 touch keys
- updated list of supported devices in xpad driver
- other assorted updates and fixes
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (23 commits)
MAINTAINERS: update input subsystem patterns
Input: introduce KEY_ASSISTANT
Input: xpad - sync supported devices with XBCD
Input: xpad - sync supported devices with 360Controller
Input: xen-kbdfront - use string constants from PV protocol
Input: stmfts - mark all PM functions as __maybe_unused
Input: add support for the STMicroelectronics FingerTip touchscreen
Input: add D-Link DIR-685 touchkeys driver
Input: s3c2410_ts - handle return value of clk_prepare_enable
Input: axp20x-pek - add wakeup support
Input: synaptics-rmi4 - use %phN to form F34 configuration ID
Input: synaptics-rmi4 - change a char type to u8
Input: sparse-keymap - remove sparse_keymap_free()
Input: tsc2007 - move header file out of I2C realm
Input: mms114 - move header file out of I2C realm
Input: mcs - move header file out of I2C realm
Input: lm8323 - move header file out of I2C realm
Input: elantech - force relative mode on a certain module
Input: elan_i2c - add support for fetching chip type on newer hardware
Input: elan_i2c - check if device is there before really probing
...
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Pull dmaengine updates from Vinod Koul:
- removal of AVR32 support in dw driver as AVR32 is gone
- new driver for Broadcom stream buffer accelerator (SBA) RAID driver
- add support for Faraday Technology FTDMAC020 in amba-pl08x driver
- IOMMU support in pl330 driver
- updates to bunch of drivers
* tag 'dmaengine-4.13-rc1' of git://git.infradead.org/users/vkoul/slave-dma: (36 commits)
dmaengine: qcom_hidma: correct API violation for submit
dmaengine: zynqmp_dma: Remove max len check in zynqmp_dma_prep_memcpy
dmaengine: tegra-apb: Really fix runtime-pm usage
dmaengine: fsl_raid: make of_device_ids const.
dmaengine: qcom_hidma: allow ACPI/DT parameters to be overridden
dmaengine: fsldma: set BWC, DAHTS and SAHTS values correctly
dmaengine: Kconfig: Simplify the help text for MXS_DMA
dmaengine: pl330: Delete unused functions
dmaengine: Replace WARN_TAINT_ONCE() with pr_warn_once()
dmaengine: Kconfig: Extend the dependency for MXS_DMA
dmaengine: mxs: Use %zu for printing a size_t variable
dmaengine: ste_dma40: Cleanup scatterlist layering violations
dmaengine: imx-dma: cleanup scatterlist layering violations
dmaengine: use proper name for the R-Car SoC
dmaengine: imx-sdma: Fix compilation warning.
dmaengine: imx-sdma: Handle return value of clk_prepare_enable
dmaengine: pl330: Add IOMMU support to slave tranfers
dmaengine: DW DMAC: Handle return value of clk_prepare_enable
dmaengine: pl08x: use GENMASK() to create bitmasks
dmaengine: pl08x: Add support for Faraday Technology FTDMAC020
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Pull ARM updates from Russell King:
- add support for ftrace-with-registers, which is needed for kgraft and
other ftrace tools
- support for mremap() for the sigpage/vDSO so that checkpoint/restore
can work
- add timestamps to each line of the register dump output
- remove the unused KTHREAD_SIZE from nommu
- align the ARM bitops APIs with the generic API (using unsigned long
pointers rather than void pointers)
- make the configuration of userspace Thumb support an expert option so
that we can default it on, and avoid some hard to debug userspace
crashes
* 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm:
ARM: 8684/1: NOMMU: Remove unused KTHREAD_SIZE definition
ARM: 8683/1: ARM32: Support mremap() for sigpage/vDSO
ARM: 8679/1: bitops: Align prototypes to generic API
ARM: 8678/1: ftrace: Adds support for CONFIG_DYNAMIC_FTRACE_WITH_REGS
ARM: make configuration of userspace Thumb support an expert option
ARM: 8673/1: Fix __show_regs output timestamps
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Pull sparc updates from David Miller:
1) Queued spinlocks and rwlocks for sparc64, from Babu Moger.
2) Some const'ification from Arvind Yadav.
3) LDC/VIO driver infrastructure changes to facilitate future upcoming
drivers, from Jag Raman.
4) Initialize sched_clock() et al. early so that the initial printk
timestamps are all done while the implementation is available and
functioning. From Pavel Tatashin.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-next: (38 commits)
sparc: kernel: pmc: make of_device_ids const.
sparc64: fix typo in property
sparc64: add port_id to VIO device metadata
sparc64: Enhance search for VIO device in MDESC
sparc64: enhance VIO device probing
sparc64: check if a client is allowed to register for MDESC notifications
sparc64: remove restriction on VIO device name size
sparc64: refactor code to obtain cfg_handle property from MDESC
sparc64: add MDESC node name property to VIO device metadata
sparc64: mdesc: use __GFP_REPEAT action modifier for VM allocation
sparc64: expand MDESC interface
sparc64: skip handshake for LDC channels in RAW mode
sparc64: specify the device class in VIO version info. packet
sparc64: ensure VIO operations are defined while being used
sparc: kernel: apc: make of_device_ids const
sparc/time: make of_device_ids const
sparc64: broken %tick frequency on spitfire cpus
sparc64: use prom interface to get %stick frequency
sparc64: optimize functions that access tick
sparc64: add hot-patched and inlined get_tick()
...
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Pull networking fixes from David Miller:
"Mostly fixing some light fallout from the changes that went into the
merge window.
1) Fix memory leaks on network namespace teardown in netfilter, from
Liping Zhang.
2) When comparing ipv6 nexthops, we have to take the lightweight
tunnel state into account as well. From David Ahern.
3) Fix socket option object length check in the new TLS code, from
Matthias Rosenfelder.
4) Fix memory leak in nfp driver flower support, from Jakub Kicinski.
5) Several netlink attribute validation fixes in cfg80211, from
Srinivas Dasari.
6) Fix context array leak in virtio_net, from Jason Wang.
7) SKB use after free in hns driver, from Yusheng Lin.
8) Fix socket leak on accept() in RDS, from Sowmini Varadhan. Also
add a WARN_ON() to sock_graft() so other protocol stacks don't
trip over this as well"
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (26 commits)
net: ethernet: mediatek: remove useless code in mtk_probe()
mpls: fix uninitialized in_label var warning in mpls_getroute
doc: SKB_GSO_[IPIP|SIT] have been replaced
bonding: avoid NETDEV_CHANGEMTU event when unregistering slave
net/sock: add WARN_ON(parent->sk) in sock_graft()
rds: tcp: use sock_create_lite() to create the accept socket
net: hns: Fix a skb used after free bug
net: hns: Fix a wrong op phy C45 code
net: macb: Adding Support for Jumbo Frames up to 10240 Bytes in SAMA5D3
net: Update networking MAINTAINERS entry.
virtio-net: fix leaking of ctx array
cfg80211: Validate frequencies nested in NL80211_ATTR_SCAN_FREQUENCIES
cfg80211: Define nla_policy for NL80211_ATTR_LOCAL_MESH_POWER_MODE
cfg80211: Check if NAN service ID is of expected size
cfg80211: Check if PMKID attribute is of expected size
arcnet: com20020-pci: Fix an error handling path in 'com20020pci_probe()'
nfp: flower: add missing clean up call to avoid memory leaks
vrf: fix bug_on triggered by rx when destroying a vrf
ptp: dte: Use LL suffix for 64-bit constants
sctp: set the value of flowi6_oif to sk_bound_dev_if to make sctp_v6_get_dst to find the correct route entry.
...
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Pull misc filesystem updates from Al Viro:
"Assorted normal VFS / filesystems stuff..."
* 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
dentry name snapshots
Make statfs properly return read-only state after emergency remount
fs/dcache: init in_lookup_hashtable
minix: Deinline get_block, save 2691 bytes
fs: Reorder inode_owner_or_capable() to avoid needless
fs: warn in case userspace lied about modprobe return
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Pull spi uaccess delousing from Al Viro:
"Getting rid of pointless __get_user() and friends in drivers/spi.
[ the only reason it's on a separate branch is that I hoped it would
be picked by spi folks; looks like mail asking them to grab it got
lost and I hadn't followed up on that ]"
* 'for-spi' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
spidev: quit messing with access_ok()
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Pull __copy_in_user removal from Al Viro:
"There used to be 6 places in the entire tree calling __copy_in_user(),
all of them bogus.
Four got killed off in work.drm branch, this takes care of the
remaining ones and kills the definition of that sucker"
* 'work.__copy_in_user' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
kill __copy_in_user()
sanitize do_i2c_smbus_ioctl()
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We lose the distinction between "found a PID" and "nothing, but that's not
an error" a bit too early in waitid(). Easily fixed, fortunately...
Reported-by: Markus Trippelsdorf <markus@trippelsdorf.de>
Fixes: 67d7ddded322 ("waitid(2): leave copyout of siginfo to syscall itself")
Tested-by: Markus Trippelsdorf <markus@trippelsdorf.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Remove useless local variables _match_, _soc_ and the code related.
Notice that
const struct of_device_id of_mtk_match[] = {
{ .compatible = "mediatek,mt2701-eth" },
{},
};
So match->data is NULL.
Suggested-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fix the below warning generated by static checker:
net/mpls/af_mpls.c:2111 mpls_getroute()
error: uninitialized symbol 'in_label'."
Fixes: 397fc9e5cefe ("mpls: route get support")
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Roopa Prabhu <roopa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Those enum values don't exist anymore.
Fixes: 7e13318daa4a ("net: define gso types for IPx over IPv4 and IPv6")
CC: Tom Herbert <tom@herbertland.com>
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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As Hongjun/Nicolas summarized in their original patch:
"
When a device changes from one netns to another, it's first unregistered,
then the netns reference is updated and the dev is registered in the new
netns. Thus, when a slave moves to another netns, it is first
unregistered. This triggers a NETDEV_UNREGISTER event which is caught by
the bonding driver. The driver calls bond_release(), which calls
dev_set_mtu() and thus triggers NETDEV_CHANGEMTU (the device is still in
the old netns).
"
This is a very special case, because the device is being unregistered
no one should still care about the NETDEV_CHANGEMTU event triggered
at this point, we can avoid broadcasting this event on this path,
and avoid touching inetdev_event()/addrconf_notify() path.
It requires to export __dev_set_mtu() to bonding driver.
Reported-by: Hongjun Li <hongjun.li@6wind.com>
Reported-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Cc: Jay Vosburgh <j.vosburgh@gmail.com>
Cc: Veaceslav Falico <vfalico@gmail.com>
Cc: Andy Gospodarek <andy@greyhouse.net>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Sowmini Varadhan says:
====================
rds-tcp: sock_graft() leak
Following up on the discussion at
https://www.spinics.net/lists/netdev/msg442859.html
- make rds_tcp_accept_one() call sock_create_lite()
- add a WARN_ON() to sock_graft()
Tested by running an infinite while() loop that does
(module-load; rds-stress; module-unload) and monitors
TCP slabinfo while the test is running.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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sock_graft() unilaterally sets up parent->sk based on the
assumption that the existing parent->sk is null. If this
condition is not true, then the existing parent->sk would
be leaked, so add a WARN_ON() to alert callers who may fall
in this category.
Signed-off-by: Sowmini Varadhan <sowmini.varadhan@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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There are two problems with calling sock_create_kern() from
rds_tcp_accept_one()
1. it sets up a new_sock->sk that is wasteful, because this ->sk
is going to get replaced by inet_accept() in the subsequent ->accept()
2. The new_sock->sk is a leaked reference in sock_graft() which
expects to find a null parent->sk
Avoid these problems by calling sock_create_lite().
Signed-off-by: Sowmini Varadhan <sowmini.varadhan@oracle.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Lin Yun Sheng says:
====================
Bugfixs for hns ethernet driver
This patchset fix skb used after free and C45 op code issues
in hns driver.
Patch V2:
1. Remove ndev->feature checking in TX description patch.
2. Add Fixes: Tag in patch description.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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skb maybe freed in hns_nic_net_xmit_hw() and return NETDEV_TX_OK,
which cause hns_nic_net_xmit to use a freed skb.
BUG: KASAN: use-after-free in hns_nic_net_xmit_hw+0x62c/0x940...
[17659.112635] alloc_debug_processing+0x18c/0x1a0
[17659.117208] __slab_alloc+0x52c/0x560
[17659.120909] kmem_cache_alloc_node+0xac/0x2c0
[17659.125309] __alloc_skb+0x6c/0x260
[17659.128837] tcp_send_ack+0x8c/0x280
[17659.132449] __tcp_ack_snd_check+0x9c/0xf0
[17659.136587] tcp_rcv_established+0x5a4/0xa70
[17659.140899] tcp_v4_do_rcv+0x27c/0x620
[17659.144687] tcp_prequeue_process+0x108/0x170
[17659.149085] tcp_recvmsg+0x940/0x1020
[17659.152787] inet_recvmsg+0x124/0x180
[17659.156488] sock_recvmsg+0x64/0x80
[17659.160012] SyS_recvfrom+0xd8/0x180
[17659.163626] __sys_trace_return+0x0/0x4
[17659.167506] INFO: Freed in kfree_skbmem+0xa0/0xb0 age=23 cpu=1 pid=13
[17659.174000] free_debug_processing+0x1d4/0x2c0
[17659.178486] __slab_free+0x240/0x390
[17659.182100] kmem_cache_free+0x24c/0x270
[17659.186062] kfree_skbmem+0xa0/0xb0
[17659.189587] __kfree_skb+0x28/0x40
[17659.193025] napi_gro_receive+0x168/0x1c0
[17659.197074] hns_nic_rx_up_pro+0x58/0x90
[17659.201038] hns_nic_rx_poll_one+0x518/0xbc0
[17659.205352] hns_nic_common_poll+0x94/0x140
[17659.209576] net_rx_action+0x458/0x5e0
[17659.213363] __do_softirq+0x1b8/0x480
[17659.217062] run_ksoftirqd+0x64/0x80
[17659.220679] smpboot_thread_fn+0x224/0x310
[17659.224821] kthread+0x150/0x170
[17659.228084] ret_from_fork+0x10/0x40
BUG: KASAN: use-after-free in hns_nic_net_xmit+0x8c/0xc0...
[17751.080490] __slab_alloc+0x52c/0x560
[17751.084188] kmem_cache_alloc+0x244/0x280
[17751.088238] __build_skb+0x40/0x150
[17751.091764] build_skb+0x28/0x100
[17751.095115] __alloc_rx_skb+0x94/0x150
[17751.098900] __napi_alloc_skb+0x34/0x90
[17751.102776] hns_nic_rx_poll_one+0x180/0xbc0
[17751.107097] hns_nic_common_poll+0x94/0x140
[17751.111333] net_rx_action+0x458/0x5e0
[17751.115123] __do_softirq+0x1b8/0x480
[17751.118823] run_ksoftirqd+0x64/0x80
[17751.122437] smpboot_thread_fn+0x224/0x310
[17751.126575] kthread+0x150/0x170
[17751.129838] ret_from_fork+0x10/0x40
[17751.133454] INFO: Freed in kfree_skbmem+0xa0/0xb0 age=19 cpu=7 pid=43
[17751.139951] free_debug_processing+0x1d4/0x2c0
[17751.144436] __slab_free+0x240/0x390
[17751.148051] kmem_cache_free+0x24c/0x270
[17751.152014] kfree_skbmem+0xa0/0xb0
[17751.155543] __kfree_skb+0x28/0x40
[17751.159022] napi_gro_receive+0x168/0x1c0
[17751.163074] hns_nic_rx_up_pro+0x58/0x90
[17751.167041] hns_nic_rx_poll_one+0x518/0xbc0
[17751.171358] hns_nic_common_poll+0x94/0x140
[17751.175585] net_rx_action+0x458/0x5e0
[17751.179373] __do_softirq+0x1b8/0x480
[17751.183076] run_ksoftirqd+0x64/0x80
[17751.186691] smpboot_thread_fn+0x224/0x310
[17751.190826] kthread+0x150/0x170
[17751.194093] ret_from_fork+0x10/0x40
Fixes: 13ac695e7ea1 ("net:hns: Add support of Hip06 SoC to the Hislicon Network Subsystem")
Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com>
Signed-off-by: lipeng <lipeng321@huawei.com>
Reported-by: Jun He <hjat2005@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
As the user manual described, the second step to write to C45 phy
by mdio should be data, but not address. Here we should fix this
issue.
Fixes: 5b904d39406a ("net: add Hisilicon Network Subsystem MDIO support")
Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com>
Reviewed-by: lipeng <lipeng321@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
As per the SAMA5D3 device specification it supports Jumbo frames.
But the suggested flag and length of bytes it supports was not updated
in this driver config_structure.
The maximum jumbo frames the device supports :
10240 bytes as per the device spec.
While changing the MTU value greater than 1500, it threw error:
sudo ifconfig eth1 mtu 9000
SIOCSIFMTU: Invalid argument
Add this support to driver so that it works as expected and designed.
Signed-off-by: vishnuvardhan <vardhanraj4143@gmail.com>
[nicolas.ferre@microchip.com: modify slightly commit msg]
Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
Similar to commit 90ec5e89e393c ("kretprobes: Ensure probe location is
at function entry"), ensure that the jprobe probepoint is at function
entry.
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
Cc: Ananth N Mavinakayanahalli <ananth@linux.vnet.ibm.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/a4525af6c5a42df385efa31251246cf7cca73598.1499443367.git.naveen.n.rao@linux.vnet.ibm.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Re-factor jprobe registration functions as the current version is
getting too unwieldy. Move the actual jprobe registration to
register_jprobe() and re-organize code accordingly.
Suggested-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
Cc: Ananth N Mavinakayanahalli <ananth@linux.vnet.ibm.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/089cae4bfe73767f765291ee0e6fb0c3d240e5f1.1499443367.git.naveen.n.rao@linux.vnet.ibm.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
|
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Rename function_offset_within_entry() to scope it to kprobe namespace by
using kprobe_ prefix, and to also simplify it.
Suggested-by: Ingo Molnar <mingo@kernel.org>
Suggested-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
Cc: Ananth N Mavinakayanahalli <ananth@linux.vnet.ibm.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/3aa6c7e2e4fb6e00f3c24fa306496a66edb558ea.1499443367.git.naveen.n.rao@linux.vnet.ibm.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
|
|
In architectures that use qspinlock, like x86, prefetch is loaded
indirectly via the asm/qspinlock.h include. On other architectures, like
OpenRISC, which may want to use asm-generic/qspinlock.h the built will
fail without the asm/prefetch.h include.
Fix this by including directly.
Signed-off-by: Stafford Horne <shorne@gmail.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/20170707195658.23840-1-shorne@gmail.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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With some configs, objtool reports the following warning:
arch/x86/kernel/ftrace.o: warning: objtool: ftrace_modify_code_direct()+0x2d: sibling call from callable instruction with modified stack frame
The instruction it's complaining about isn't actually a sibling call.
It's just a normal jump to an address inside the function. Objtool
thought it was a sibling call because the instruction's jump_dest wasn't
initialized because the function was supposed to be ignored due to its
use of sync_core().
Objtool ended up validating the function instead of ignoring it because
it didn't properly recognize a sibling call to the function. So fix the
sibling call logic. Also add a warning to catch ignored functions being
validated so we'll get a more useful error message next time.
Reported-by: Mike Galbraith <efault@gmx.de>
Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/96cc8ecbcdd8cb29ddd783817b4af918a6a171b0.1499437107.git.jpoimboe@redhat.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Pull read/write fix from Al Viro:
"file_start_write()/file_end_write() got mixed into vfs_iter_write() by
accident; that's a deadlock for all existing callers - they already do
that, some - quite a bit outside.
Easily fixed, fortunately"
* 'work.read_write' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
move file_{start,end}_write() out of do_iter_write()
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Pull iov_iter hardening from Al Viro:
"This is the iov_iter/uaccess/hardening pile.
For one thing, it trims the inline part of copy_to_user/copy_from_user
to the minimum that *does* need to be inlined - object size checks,
basically. For another, it sanitizes the checks for iov_iter
primitives. There are 4 groups of checks: access_ok(), might_fault(),
object size and KASAN.
- access_ok() had been verified by whoever had set the iov_iter up.
However, that has happened in a function far away, so proving that
there's no path to actual copying bypassing those checks is hard
and proving that iov_iter has not been buggered in the meanwhile is
also not pleasant. So we want those redone in actual
copyin/copyout.
- might_fault() is better off consolidated - we know whether it needs
to be checked as soon as we enter iov_iter primitive and observe
the iov_iter flavour. No need to wait until the copyin/copyout. The
call chains are short enough to make sure we won't miss anything -
in fact, it's more robust that way, since there are cases where we
do e.g. forced fault-in before getting to copyin/copyout. It's not
quite what we need to check (in particular, combination of
iovec-backed and set_fs(KERNEL_DS) is almost certainly a bug, not a
cause to skip checks), but that's for later series. For now let's
keep might_fault().
- KASAN checks belong in copyin/copyout - at the same level where
other iov_iter flavours would've hit them in memcpy().
- object size checks should apply to *all* iov_iter flavours, not
just iovec-backed ones.
There are two groups of primitives - one gets the kernel object
described as pointer + size (copy_to_iter(), etc.) while another gets
it as page + offset + size (copy_page_to_iter(), etc.)
For the first group the checks are best done where we actually have a
chance to find the object size. In other words, those belong in inline
wrappers in uio.h, before calling into iov_iter.c. Same kind as we
have for inlined part of copy_to_user().
For the second group there is no object to look at - offset in page is
just a number, it bears no type information. So we do them in the
common helper called by iov_iter.c primitives of that kind. All it
currently does is checking that we are not trying to access outside of
the compound page; eventually we might want to add some sanity checks
on the page involved.
So the things we need in copyin/copyout part of iov_iter.c do not
quite match anything in uaccess.h (we want no zeroing, we *do* want
access_ok() and KASAN and we want no might_fault() or object size
checks done on that level). OTOH, these needs are simple enough to
provide a couple of helpers (static in iov_iter.c) doing just what we
need..."
* 'uaccess-work.iov_iter' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
iov_iter: saner checks on copyin/copyout
iov_iter: sanity checks for copy to/from page primitives
iov_iter/hardening: move object size checks to inlined part
copy_{to,from}_user(): consolidate object size checks
copy_{from,to}_user(): move kasan checks and might_fault() out-of-line
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To avoid pathological stack usage or the need to special-case setuid
execs, just limit all arg stack usage to at most 75% of _STK_LIM (6MB).
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Pull Writeback error handling updates from Jeff Layton:
"This pile represents the bulk of the writeback error handling fixes
that I have for this cycle. Some of the earlier patches in this pile
may look trivial but they are prerequisites for later patches in the
series.
The aim of this set is to improve how we track and report writeback
errors to userland. Most applications that care about data integrity
will periodically call fsync/fdatasync/msync to ensure that their
writes have made it to the backing store.
For a very long time, we have tracked writeback errors using two flags
in the address_space: AS_EIO and AS_ENOSPC. Those flags are set when a
writeback error occurs (via mapping_set_error) and are cleared as a
side-effect of filemap_check_errors (as you noted yesterday). This
model really sucks for userland.
Only the first task to call fsync (or msync or fdatasync) will see the
error. Any subsequent task calling fsync on a file will get back 0
(unless another writeback error occurs in the interim). If I have
several tasks writing to a file and calling fsync to ensure that their
writes got stored, then I need to have them coordinate with one
another. That's difficult enough, but in a world of containerized
setups that coordination may even not be possible.
But wait...it gets worse!
The calls to filemap_check_errors can be buried pretty far down in the
call stack, and there are internal callers of filemap_write_and_wait
and the like that also end up clearing those errors. Many of those
callers ignore the error return from that function or return it to
userland at nonsensical times (e.g. truncate() or stat()). If I get
back -EIO on a truncate, there is no reason to think that it was
because some previous writeback failed, and a subsequent fsync() will
(incorrectly) return 0.
This pile aims to do three things:
1) ensure that when a writeback error occurs that that error will be
reported to userland on a subsequent fsync/fdatasync/msync call,
regardless of what internal callers are doing
2) report writeback errors on all file descriptions that were open at
the time that the error occurred. This is a user-visible change,
but I think most applications are written to assume this behavior
anyway. Those that aren't are unlikely to be hurt by it.
3) document what filesystems should do when there is a writeback
error. Today, there is very little consistency between them, and a
lot of cargo-cult copying. We need to make it very clear what
filesystems should do in this situation.
To achieve this, the set adds a new data type (errseq_t) and then
builds new writeback error tracking infrastructure around that. Once
all of that is in place, we change the filesystems to use the new
infrastructure for reporting wb errors to userland.
Note that this is just the initial foray into cleaning up this mess.
There is a lot of work remaining here:
1) convert the rest of the filesystems in a similar fashion. Once the
initial set is in, then I think most other fs' will be fairly
simple to convert. Hopefully most of those can in via individual
filesystem trees.
2) convert internal waiters on writeback to use errseq_t for
detecting errors instead of relying on the AS_* flags. I have some
draft patches for this for ext4, but they are not quite ready for
prime time yet.
This was a discussion topic this year at LSF/MM too. If you're
interested in the gory details, LWN has some good articles about this:
https://lwn.net/Articles/718734/
https://lwn.net/Articles/724307/"
* tag 'for-linus-v4.13-2' of git://git.kernel.org/pub/scm/linux/kernel/git/jlayton/linux:
btrfs: minimal conversion to errseq_t writeback error reporting on fsync
xfs: minimal conversion to errseq_t writeback error reporting
ext4: use errseq_t based error handling for reporting data writeback errors
fs: convert __generic_file_fsync to use errseq_t based reporting
block: convert to errseq_t based writeback error tracking
dax: set errors in mapping when writeback fails
Documentation: flesh out the section in vfs.txt on storing and reporting writeback errors
mm: set both AS_EIO/AS_ENOSPC and errseq_t in mapping_set_error
fs: new infrastructure for writeback error handling and reporting
lib: add errseq_t type and infrastructure for handling it
mm: don't TestClearPageError in __filemap_fdatawait_range
mm: clear AS_EIO/AS_ENOSPC when writeback initiation fails
jbd2: don't clear and reset errors after waiting on writeback
buffer: set errors in mapping at the time that the error occurs
fs: check for writeback errors after syncing out buffers in generic_file_fsync
buffer: use mapping_set_error instead of setting the flag
mm: fix mapping_set_error call in me_pagecache_dirty
|
|
Pull Writeback error handling fixes from Jeff Layton:
"The main rationale for all of these changes is to tighten up writeback
error reporting to userland. There are many ways now that writeback
errors can be lost, such that fsync/fdatasync/msync return 0 when
writeback actually failed.
This pile contains a small set of cleanups and writeback error
handling fixes that I was able to break off from the main pile (#2).
Two of the patches in this pile are trivial. The exceptions are the
patch to fix up error handling in write_one_page, and the patch to
make JFS pay attention to write_one_page errors"
* tag 'for-linus-v4.13-1' of git://git.kernel.org/pub/scm/linux/kernel/git/jlayton/linux:
fs: remove call_fsync helper function
mm: clean up error handling in write_one_page
JFS: do not ignore return code from write_one_page()
mm: drop "wait" parameter from write_one_page()
|
|
Pull cifs fixes from Steve French:
"First set of CIFS/SMB3 fixes for the merge window. Also improves POSIX
character mapping for SMB3"
* tag 'cifs-bug-fixes-for-4.13' of git://git.samba.org/sfrench/cifs-2.6:
CIFS: fix circular locking dependency
cifs: set oparms.create_options rather than or'ing in CREATE_OPEN_BACKUP_INTENT
cifs: Do not modify mid entry after submitting I/O in cifs_call_async
CIFS: add SFM mapping for 0x01-0x1F
cifs: hide unused functions
cifs: Use smb 2 - 3 and cifsacl mount options getacl functions
cifs: prototype declaration and definition for smb 2 - 3 and cifsacl mount options
CIFS: add CONFIG_CIFS_DEBUG_KEYS to dump encryption keys
cifs: set mapping error when page writeback fails in writepage or launder_pages
SMB3: Enable encryption for SMB3.1.1
|
|
Pull GFS2 fix from Bob Peterson:
"Sorry for the additional merge request, but Andreas discovered this
problem soon after you processed our last gfs2 merge.
This fixes a regression introduced by a patch we did in mid-2015
(commit 88ffbf3e037e: "GFS2: Use resizable hash table for glocks"), so
best to get it fixed. Some code was reverted that should not have
been.
The patch from Andreas Gruenbacher just re-adds code that had been
there originally"
* tag 'gfs2-4.13.fixes.addendum' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2:
gfs2: Fix glock rhashtable rcu bug
|
|
take_dentry_name_snapshot() takes a safe snapshot of dentry name;
if the name is a short one, it gets copied into caller-supplied
structure, otherwise an extra reference to external name is grabbed
(those are never modified). In either case the pointer to stable
string is stored into the same structure.
dentry must be held by the caller of take_dentry_name_snapshot(),
but may be freely dropped afterwards - the snapshot will stay
until destroyed by release_dentry_name_snapshot().
Intended use:
struct name_snapshot s;
take_dentry_name_snapshot(&s, dentry);
...
access s.name
...
release_dentry_name_snapshot(&s);
Replaces fsnotify_oldname_...(), gets used in fsnotify to obtain the name
to pass down with event.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
|
|
Pull security layer fixes from James Morris:
"Bugfixes for TPM and SELinux"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security:
IB/core: Fix static analysis warning in ib_policy_change_task
IB/core: Fix uninitialized variable use in check_qp_port_pkey_settings
tpm: do not suspend/resume if power stays on
tpm: use tpm2_pcr_read() in tpm2_do_selftest()
tpm: use tpm_buf functions in tpm2_pcr_read()
tpm_tis: make ilb_base_addr static
tpm: consolidate the TPM startup code
tpm: Enable CLKRUN protocol for Braswell systems
tpm/tpm_crb: fix priv->cmd_size initialisation
tpm: fix a kernel memory leak in tpm-sysfs.c
tpm: Issue a TPM2_Shutdown for TPM2 devices.
Add "shutdown" to "struct class".
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|
James and Patrick haven't been active in years.
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
Pull Kbuild thin archives updates from Masahiro Yamada:
"Thin archives migration by Nicholas Piggin.
THIN_ARCHIVES has been available for a while as an optional feature
only for PowerPC architecture, but we do not need two different
intermediate-artifact schemes.
Using thin archives instead of conventional incremental linking has
various advantages:
- save disk space for builds
- speed-up building a little
- fix some link issues (for example, allyesconfig on ARM) due to more
flexibility for the final linking
- work better with dead code elimination we are planning
As discussed before, this migration has been done unconditionally so
that any problems caused by this will show up with "git bisect".
With testing with 0-day and linux-next, some architectures actually
showed up problems, but they were trivial and all fixed now"
* tag 'kbuild-thinar-v4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
tile: remove unneeded extra-y in Makefile
kbuild: thin archives make default for all archs
x86/um: thin archives build fix
tile: thin archives fix linking
ia64: thin archives fix linking
sh: thin archives fix linking
kbuild: handle libs-y archives separately from built-in.o archives
kbuild: thin archives use P option to ar
kbuild: thin archives final link close --whole-archives option
ia64: remove unneeded extra-y in Makefile.gate
tile: fix dependency and .*.cmd inclusion for incremental build
sparc64: Use indirect calls in hamming weight stubs
|
|
Pull misc Kbuild updates from Masahiro Yamada:
- Use more portable shebang for Perl scripts
- Remove trailing spaces from GCC version in kernel log
- Make initramfs generation deterministic
* tag 'kbuild-misc-v4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
kbuild: create deterministic initramfs directory listings
scripts/mkcompile_h: Remove trailing spaces from compiler version
scripts: Switch to more portable Perl shebang
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|
Pull Kbuild updates from Masahiro Yamada:
- Clean up Makefiles and scripts
- Improve clang support
- Remove unneeded genhdr-y syntax
- Remove unneeded cc-option-align macro
- Introduce __cc-option macro and use it to fix x86 boot code compiler
flags
* tag 'kbuild-v4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
kbuild: improve comments on KBUILD_SRC
x86/build: Specify stack alignment for clang
x86/build: Use __cc-option for boot code compiler options
kbuild: Add __cc-option macro
kbuild: remove cc-option-align
kbuild: replace genhdr-y with generated-y
kbuild: clang: Disable 'address-of-packed-member' warning
kbuild: remove duplicated arch/*/include/generated/uapi include path
kbuild: speed up checksyscalls.sh
kbuild: simplify silent build (-s) detection
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|
Pull Kselftest updates from Shuah Khan:
"This update consists of:
- TAP13 framework and changes to some tests to convert to TAP13.
Converting kselftest output to standard format will help identify
run to run differences and pin point failures easily. TAP13 format
has been in use for several years and the output is human friendly.
Please find the specification:
https://testanything.org/tap-version-13-specification.html
Credit goes to Tim Bird for recommending TAP13 as a suitable
format, and to Grag KH for kick starting the work with help from
Paul Elder and Alice Ferrazzi
The first phase of the TAp13 conversion is included in this update.
Future updates will include updates to rest of the tests.
- Masami Hiramatsu fixed ftrace to run on 4.9 stable kernels.
- Kselftest documnetation has been converted to ReST format. Document
now has a new home under Documentation/dev-tools.
- kselftest_harness.h is now available for general use as a result of
Mickaël Salaün's work.
- Several fixes to skip and/or fail tests gracefully on older
releases"
* tag 'linux-kselftest-4.13-rc1-update' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest: (48 commits)
selftests: membarrier: use ksft_* var arg msg api
selftests: breakpoints: breakpoint_test_arm64: convert test to use TAP13
selftests: breakpoints: step_after_suspend_test use ksft_* var arg msg api
selftests: breakpoint_test: use ksft_* var arg msg api
kselftest: add ksft_print_msg() function to output general information
kselftest: make ksft_* output functions variadic
selftests/capabilities: Fix the test_execve test
selftests: intel_pstate: add .gitignore
selftests: fix memory-hotplug test
selftests: add missing test name in memory-hotplug test
selftests: check percentage range for memory-hotplug test
selftests: check hot-pluggagble memory for memory-hotplug test
selftests: typo correction for memory-hotplug test
selftests: ftrace: Use md5sum to take less time of checking logs
tools/testing/selftests/sysctl: Add pre-check to the value of writes_strict
kselftest.rst: do some adjustments after ReST conversion
selftest/net/Makefile: Specify output with $(OUTPUT)
selftest/intel_pstate/aperf: Use LDLIBS instead of LDFLAGS
selftest/memfd/Makefile: Fix build error
selftests: lib: Skip tests on missing test modules
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Pull OpenRISC updates from Stafford Horne:
"Openrisc fixes for this 4.13 merge window, there is not really much
here:
- include cleanups, one with should reduce build time slightly
- switch to new toolchain to new (>2 year old) toolchain prefix"
* tag 'openrisc-for-linus' of git://github.com/openrisc/linux:
openrisc: defconfig: Cleanup from old Kconfig options
openrisc: explicitly include linux/bug.h in asm/fixmap.h
openrisc: Switch to use export.h instead of module.h
openrisc: Change toolchain from or32- to or1k-
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Pull powerpc updates from Michael Ellerman:
"Highlights include:
- Support for STRICT_KERNEL_RWX on 64-bit server CPUs.
- Platform support for FSP2 (476fpe) board
- Enable ZONE_DEVICE on 64-bit server CPUs.
- Generic & powerpc spin loop primitives to optimise busy waiting
- Convert VDSO update function to use new update_vsyscall() interface
- Optimisations to hypercall/syscall/context-switch paths
- Improvements to the CPU idle code on Power8 and Power9.
As well as many other fixes and improvements.
Thanks to: Akshay Adiga, Andrew Donnellan, Andrew Jeffery, Anshuman
Khandual, Anton Blanchard, Balbir Singh, Benjamin Herrenschmidt,
Christophe Leroy, Christophe Lombard, Colin Ian King, Dan Carpenter,
Gautham R. Shenoy, Hari Bathini, Ian Munsie, Ivan Mikhaylov, Javier
Martinez Canillas, Madhavan Srinivasan, Masahiro Yamada, Matt Brown,
Michael Neuling, Michal Suchanek, Murilo Opsfelder Araujo, Naveen N.
Rao, Nicholas Piggin, Oliver O'Halloran, Paul Mackerras, Pavel Machek,
Russell Currey, Santosh Sivaraj, Stephen Rothwell, Thiago Jung
Bauermann, Yang Li"
* tag 'powerpc-4.13-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (158 commits)
powerpc/Kconfig: Enable STRICT_KERNEL_RWX for some configs
powerpc/mm/radix: Implement STRICT_RWX/mark_rodata_ro() for Radix
powerpc/mm/hash: Implement mark_rodata_ro() for hash
powerpc/vmlinux.lds: Align __init_begin to 16M
powerpc/lib/code-patching: Use alternate map for patch_instruction()
powerpc/xmon: Add patch_instruction() support for xmon
powerpc/kprobes/optprobes: Use patch_instruction()
powerpc/kprobes: Move kprobes over to patch_instruction()
powerpc/mm/radix: Fix execute permissions for interrupt_vectors
powerpc/pseries: Fix passing of pp0 in updatepp() and updateboltedpp()
powerpc/64s: Blacklist rtas entry/exit from kprobes
powerpc/64s: Blacklist functions invoked on a trap
powerpc/64s: Un-blacklist system_call() from kprobes
powerpc/64s: Move system_call() symbol to just after setting MSR_EE
powerpc/64s: Blacklist system_call() and system_call_common() from kprobes
powerpc/64s: Convert .L__replay_interrupt_return to a local label
powerpc64/elfv1: Only dereference function descriptor for non-text symbols
cxl: Export library to support IBM XSL
powerpc/dts: Use #include "..." to include local DT
powerpc/perf/hv-24x7: Aggregate result elements on POWER9 SMT8
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Linus Torvalds
Al Viro
Gustavo A. R. Silva
Roopa Prabhu
Nicolas Dichtel
WANG Cong
David S. Miller
Sowmini Varadhan
Yunsheng Lin
vishnuvardhan
Naveen N. Rao
Stafford Horne
Josh Poimboeuf
Kees Cook