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Pull ARM updates from Russell King:
"A number of core ARM changes:
- Refactoring linker script by Nicolas Pitre
- Enable source fortification
- Add support for Cortex R8"
* 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm:
ARM: decompressor: fix warning introduced in fortify patch
ARM: 8751/1: Add support for Cortex-R8 processor
ARM: 8749/1: Kconfig: Add ARCH_HAS_FORTIFY_SOURCE
ARM: simplify and fix linker script for TCM
ARM: linker script: factor out TCM bits
ARM: linker script: factor out vectors and stubs
ARM: linker script: factor out unwinding table sections
ARM: linker script: factor out stuff for the .text section
ARM: linker script: factor out stuff for the DISCARD section
ARM: linker script: factor out some common definitions between XIP and non-XIP
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git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu
Pull m68knommu update from Greg Ungerer:
"Only a single fix to set the DMA masks in the ColdFire FEC platform
data structure.
This stops the warning from dma-mapping.h at boot time"
* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu:
m68k: set dma and coherent masks for platform FEC ethernets
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git://git.kernel.org/pub/scm/linux/kernel/git/mattst88/alpha
Pull alpha updates from Matt Turner:
"A few small changes for alpha"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mattst88/alpha:
alpha: io: reorder barriers to guarantee writeX() and iowriteX() ordering
alpha: Implement CPU vulnerabilities sysfs functions.
alpha: rtc: stop validating rtc_time in .read_time
alpha: rtc: remove unused set_mmss ops
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git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 updates from Martin Schwidefsky:
- Improvements for the spectre defense:
* The spectre related code is consolidated to a single file
nospec-branch.c
* Automatic enable/disable for the spectre v2 defenses (expoline vs.
nobp)
* Syslog messages for specve v2 are added
* Enable CONFIG_GENERIC_CPU_VULNERABILITIES and define the attribute
functions for spectre v1 and v2
- Add helper macros for assembler alternatives and use them to shorten
the code in entry.S.
- Add support for persistent configuration data via the SCLP Store Data
interface. The H/W interface requires a page table that uses 4K pages
only, the code to setup such an address space is added as well.
- Enable virtio GPU emulation in QEMU. To do this the depends
statements for a few common Kconfig options are modified.
- Add support for format-3 channel path descriptors and add a binary
sysfs interface to export the associated utility strings.
- Add a sysfs attribute to control the IFCC handling in case of
constant channel errors.
- The vfio-ccw changes from Cornelia.
- Bug fixes and cleanups.
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: (40 commits)
s390/kvm: improve stack frame constants in entry.S
s390/lpp: use assembler alternatives for the LPP instruction
s390/entry.S: use assembler alternatives
s390: add assembler macros for CPU alternatives
s390: add sysfs attributes for spectre
s390: report spectre mitigation via syslog
s390: add automatic detection of the spectre defense
s390: move nobp parameter functions to nospec-branch.c
s390/cio: add util_string sysfs attribute
s390/chsc: query utility strings via fmt3 channel path descriptor
s390/cio: rename struct channel_path_desc
s390/cio: fix unbind of io_subchannel_driver
s390/qdio: split up CCQ handling for EQBS / SQBS
s390/qdio: don't retry EQBS after CCQ 96
s390/qdio: restrict buffer merging to eligible devices
s390/qdio: don't merge ERROR output buffers
s390/qdio: simplify math in get_*_buffer_frontier()
s390/decompressor: trim uncompressed image head during the build
s390/crypto: Fix kernel crash on aes_s390 module remove.
s390/defkeymap: fix global init to zero
...
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git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security
Pull integrity updates from James Morris:
"A mixture of bug fixes, code cleanup, and continues to close
IMA-measurement, IMA-appraisal, and IMA-audit gaps.
Also note the addition of a new cred_getsecid LSM hook by Matthew
Garrett:
For IMA purposes, we want to be able to obtain the prepared secid
in the bprm structure before the credentials are committed. Add a
cred_getsecid hook that makes this possible.
which is used by a new CREDS_CHECK target in IMA:
In ima_bprm_check(), check with both the existing process
credentials and the credentials that will be committed when the new
process is started. This will not change behaviour unless the
system policy is extended to include CREDS_CHECK targets -
BPRM_CHECK will continue to check the same credentials that it did
previously"
* 'next-integrity' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security:
ima: Fallback to the builtin hash algorithm
ima: Add smackfs to the default appraise/measure list
evm: check for remount ro in progress before writing
ima: Improvements in ima_appraise_measurement()
ima: Simplify ima_eventsig_init()
integrity: Remove unused macro IMA_ACTION_RULE_FLAGS
ima: drop vla in ima_audit_measurement()
ima: Fix Kconfig to select TPM 2.0 CRB interface
evm: Constify *integrity_status_msg[]
evm: Move evm_hmac and evm_hash from evm_main.c to evm_crypto.c
fuse: define the filesystem as untrusted
ima: fail signature verification based on policy
ima: clear IMA_HASH
ima: re-evaluate files on privileged mounted filesystems
ima: fail file signature verification on non-init mounted filesystems
IMA: Support using new creds in appraisal policy
security: Add a cred_getsecid hook
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git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security
Pull TPM updates from James Morris:
"This release contains only bug fixes. There are no new major features
added"
* 'next-tpm' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security:
tpm: fix intermittent failure with self tests
tpm: add retry logic
tpm: self test failure should not cause suspend to fail
tpm2: add longer timeouts for creation commands.
tpm_crb: use __le64 annotated variable for response buffer address
tpm: fix buffer type in tpm_transmit_cmd
tpm: tpm-interface: fix tpm_transmit/_cmd kdoc
tpm: cmd_ready command can be issued only after granting locality
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git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security
Pull smack update from James Morris:
"One small change for Automotive Grade Linux"
* 'next-smack' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security:
Smack: Handle CGROUP2 in the same way that CGROUP
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memory-barriers.txt has been updated with the following requirement.
"When using writel(), a prior wmb() is not needed to guarantee that the
cache coherent memory writes have completed before writing to the MMIO
region."
Current writeX() and iowriteX() implementations on alpha are not
satisfying this requirement as the barrier is after the register write.
Move mb() in writeX() and iowriteX() functions to guarantee that HW
observes memory changes before performing register operations.
Signed-off-by: Sinan Kaya <okaya@codeaurora.org>
Reported-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Matt Turner <mattst88@gmail.com>
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Implement the CPU vulnerabilty show functions for meltdown, spectre_v1
and spectre_v2 on Alpha.
Tests on XP1000 (EV67/667MHz) and ES45 (EV68CB/1.25GHz) show them
to be vulnerable to Meltdown and Spectre V1. In the case of
Meltdown I saw a 1 to 2% success rate in reading bytes on the
XP1000 and 50 to 60% success rate on the ES45. (This compares to
99.97% success reported for Intel CPUs.) Report EV6 and later
CPUs as vulnerable.
Tests on PWS600au (EV56/600MHz) for Spectre V1 attack were
unsuccessful (though I did not try particularly hard) so mark EV4
through to EV56 as not vulnerable.
Signed-off-by: Michael Cree <mcree@orcon.net.nz>
Signed-off-by: Matt Turner <mattst88@gmail.com>
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The RTC core is always calling rtc_valid_tm after the read_time callback.
It is not necessary to call it just before returning from the callback.
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Matt Turner <mattst88@gmail.com>
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The .set_mmss and .setmmss64 ops are only called when the RTC is not
providing an implementation for the .set_time callback.
On alpha, .set_time is provided so .set_mmss64 is never called. Remove the
unused code.
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Matt Turner <mattst88@gmail.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull alpha syscall cleanups from Al Viro:
"A couple of SYSCALL_DEFINE conversions and removal of pointless (and
bitrotted) piece stuck in ret_from_kernel_thread since the
kernel_exceve/kernel_thread conversions six years ago"
* 'misc.compat' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
alpha: get rid of pointless insn in ret_from_kernel_thread
alpha: switch pci syscalls to SYSCALL_DEFINE
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull sparc syscall cleanups from Al Viro:
"sparc syscall stuff - killing pointless wrappers, conversions to
{COMPAT_,}SYSCALL_DEFINE"
* 'misc.sparc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
sparc: get rid of asm wrapper for nis_syscall()
sparc: switch compat {f,}truncate64() to COMPAT_SYSCALL_DEFINE
sparc: switch compat pread64 and pwrite64 to COMPAT_SYSCALL_DEFINE
convert compat sync_file_range() to COMPAT_SYSCALL_DEFINE
switch sparc_remap_file_pages() to SYSCALL_DEFINE
sparc: get rid of memory_ordering(2) wrapper
sparc: trivial conversions to {COMPAT_,}SYSCALL_DEFINE()
sparc: bury a zombie extern that had been that way for twenty years
sparc: get rid of remaining SIGN... wrappers
sparc: kill useless SIGN... wrappers
sparc: get rid of sys_sparc_pipe() wrappers
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Joe Perches noted that we have a few source files that for some
inexplicable reason (read: I'm too lazy to even go look at the history)
are marked executable:
drivers/gpu/drm/amd/amdgpu/vce_v4_0.c
drivers/net/ethernet/cadence/macb_ptp.c
A simple git command line to show executable C/asm/header files is this:
git ls-files -s '*.[chsS]' | grep '^100755'
and then you can fix them up with scripting by just feeding that output
into:
| cut -f2 | xargs chmod -x
and commit it.
Which is exactly what this commit does.
Reported-by: Joe Perches <joe@perches.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c updates from Wolfram Sang:
-I2C core now reports proper OF style module alias. I'd like to repeat
the note from the commit msg here (Thanks, Javier!):
NOTE: This patch may break out-of-tree drivers that were relying
on this behavior, and only had an I2C device ID table even
when the device was registered via OF.
There are no remaining drivers in mainline that do this, but
out-of-tree drivers have to be fixed and define a proper OF
device ID table to have module auto-loading working.
- new driver for the SynQuacer I2C controller
- major refactoring of the QUP driver
- the piix4 driver now uses request_muxed_region which should fix a
long standing resource conflict with the sp5100_tco watchdog
- a bunch of small core & driver improvements
* 'i2c/for-4.17' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (53 commits)
i2c: add support for Socionext SynQuacer I2C controller
dt-bindings: i2c: add binding for Socionext SynQuacer I2C
i2c: Update i2c_trace_msg static key to modern api
i2c: fix parameter of trace_i2c_result
i2c: imx: avoid taking clk_prepare mutex in PM callbacks
i2c: imx: use clk notifier for rate changes
i2c: make i2c_check_addr_validity() static
i2c: rcar: fix mask value of prohibited bit
dt-bindings: i2c: document R8A77965 bindings
i2c: pca-platform: drop gpio from platform data
i2c: pca-platform: use device_property_read_u32
i2c: pca-platform: unconditionally use devm_gpiod_get_optional
sh: sh7785lcr: add GPIO lookup table for i2c controller reset
i2c: qup: reorganization of driver code to remove polling for qup v2
i2c: qup: reorganization of driver code to remove polling for qup v1
i2c: qup: send NACK for last read sub transfers
i2c: qup: fix buffer overflow for multiple msg of maximum xfer len
i2c: qup: change completion timeout according to transfer length
i2c: qup: use the complete transfer length to choose DMA mode
i2c: qup: proper error handling for i2c error in BAM mode
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git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc updates from Michael Ellerman:
"Notable changes:
- Support for 4PB user address space on 64-bit, opt-in via mmap().
- Removal of POWER4 support, which was accidentally broken in 2016
and no one noticed, and blocked use of some modern instructions.
- Workarounds so that the hypervisor can enable Transactional Memory
on Power9.
- A series to disable the DAWR (Data Address Watchpoint Register) on
Power9.
- More information displayed in the meltdown/spectre_v1/v2 sysfs
files.
- A vpermxor (Power8 Altivec) implementation for the raid6 Q
Syndrome.
- A big series to make the allocation of our pacas (per cpu area),
kernel page tables, and per-cpu stacks NUMA aware when using the
Radix MMU on Power9.
And as usual many fixes, reworks and cleanups.
Thanks to: Aaro Koskinen, Alexandre Belloni, Alexey Kardashevskiy,
Alistair Popple, Andy Shevchenko, Aneesh Kumar K.V, Anshuman Khandual,
Balbir Singh, Benjamin Herrenschmidt, Christophe Leroy, Christophe
Lombard, Cyril Bur, Daniel Axtens, Dave Young, Finn Thain, Frederic
Barrat, Gustavo Romero, Horia Geantă, Jonathan Neuschäfer, Kees Cook,
Larry Finger, Laurent Dufour, Laurent Vivier, Logan Gunthorpe,
Madhavan Srinivasan, Mark Greer, Mark Hairgrove, Markus Elfring,
Mathieu Malaterre, Matt Brown, Matt Evans, Mauricio Faria de Oliveira,
Michael Neuling, Naveen N. Rao, Nicholas Piggin, Paul Mackerras,
Philippe Bergheaud, Ram Pai, Rob Herring, Sam Bobroff, Segher
Boessenkool, Simon Guo, Simon Horman, Stewart Smith, Sukadev
Bhattiprolu, Suraj Jitindar Singh, Thiago Jung Bauermann, Vaibhav
Jain, Vaidyanathan Srinivasan, Vasant Hegde, Wei Yongjun"
* tag 'powerpc-4.17-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (207 commits)
powerpc/64s/idle: Fix restore of AMOR on POWER9 after deep sleep
powerpc/64s: Fix POWER9 DD2.2 and above in cputable features
powerpc/64s: Fix pkey support in dt_cpu_ftrs, add CPU_FTR_PKEY bit
powerpc/64s: Fix dt_cpu_ftrs to have restore_cpu clear unwanted LPCR bits
Revert "powerpc/64s/idle: POWER9 ESL=0 stop avoid save/restore overhead"
powerpc: iomap.c: introduce io{read|write}64_{lo_hi|hi_lo}
powerpc: io.h: move iomap.h include so that it can use readq/writeq defs
cxl: Fix possible deadlock when processing page faults from cxllib
powerpc/hw_breakpoint: Only disable hw breakpoint if cpu supports it
powerpc/mm/radix: Update command line parsing for disable_radix
powerpc/mm/radix: Parse disable_radix commandline correctly.
powerpc/mm/hugetlb: initialize the pagetable cache correctly for hugetlb
powerpc/mm/radix: Update pte fragment count from 16 to 256 on radix
powerpc/mm/keys: Update documentation and remove unnecessary check
powerpc/64s/idle: POWER9 ESL=0 stop avoid save/restore overhead
powerpc/64s/idle: Consolidate power9_offline_stop()/power9_idle_stop()
powerpc/powernv: Always stop secondaries before reboot/shutdown
powerpc: hard disable irqs in smp_send_stop loop
powerpc: use NMI IPI for smp_send_stop
powerpc/powernv: Fix SMT4 forcing idle code
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git://git.kernel.org/pub/scm/linux/kernel/git/tobin/leaks
Pull leaking-addresses updates from Tobin Harding:
"This set represents improvements to the scripts/leaking_addresses.pl
script.
The major improvement is that with this set applied the script
actually runs in a reasonable amount of time (less than a minute on a
standard stock Ubuntu user desktop). Also, we have a second maintainer
now and a tree hosted on kernel.org
We do a few code clean ups. We fix the command help output. Handling
of the vsyscall address range is fixed to check the whole range
instead of just the start/end addresses. We add support for 5 page
table levels (suggested on LKML). We use a system command to get the
machine architecture instead of using Perl. Calling this command for
every regex comparison is what previously choked the script, caching
the result of this call gave the major speed improvement. We add
support for scanning 32-bit kernels using the user/kernel memory
split. Path skipping code refactored and simplified (meaning easier
script configuration). We remove version numbering. We add a variable
name to improve readability of a regex and finally we check filenames
for leaking addresses.
Currently script scans /proc/PID for all PID. With this set applied we
only scan for PID==1. It was observed that on an idle system files
under /proc/PID are predominantly the same for all processes. Also it
was noted that the script does not scan _all_ the kernel since it only
scans active processes. Scanning only for PID==1 makes explicit the
inherent flaw in the script that the scan is only partial and also
speeds things up"
* tag 'leaks-4.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tobin/leaks:
MAINTAINERS: Update LEAKING_ADDRESSES
leaking_addresses: check if file name contains address
leaking_addresses: explicitly name variable used in regex
leaking_addresses: remove version number
leaking_addresses: skip '/proc/1/syscall'
leaking_addresses: skip all /proc/PID except /proc/1
leaking_addresses: cache architecture name
leaking_addresses: simplify path skipping
leaking_addresses: do not parse binary files
leaking_addresses: add 32-bit support
leaking_addresses: add is_arch() wrapper subroutine
leaking_addresses: use system command to get arch
leaking_addresses: add support for 5 page table levels
leaking_addresses: add support for kernel config file
leaking_addresses: add range check for vsyscall memory
leaking_addresses: indent dependant options
leaking_addresses: remove command examples
leaking_addresses: remove mention of kptr_restrict
leaking_addresses: fix typo function not called
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git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull kselftest update from Shuah Khan:
"This Kselftest update for 4.17-rc1 consists of:
- Test build error fixes
- Fixes to prevent intel_pstate from building on non-x86 systems.
- New test for ion with vgem driver.
- Change to print the test name to /dev/kmsg to add context to kernel
failures if any uncovered from running the test.
- Kselftest framework enhancements to add KSFT_TAP_LEVEL environment
variable to prevent nested TAP headers being printed in the
Kselftest output.
Nested TAP13 headers could cause problems for some parsers. This
change suppresses the nested headers from test programs and test
shell scripts with changes to framework and Makefiles without
changing the tests"
* tag 'linux-kselftest-4.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
selftests/intel_pstate: Fix build rule for x86
selftests: Print the test we're running to /dev/kmsg
selftests/seccomp: Allow get_metadata to XFAIL
selftests/android/ion: Makefile: fix build error
selftests: futex Makefile add top level TAP header echo to RUN_TESTS
selftests: Makefile set KSFT_TAP_LEVEL to prevent nested TAP headers
selftests: lib.mk set KSFT_TAP_LEVEL to prevent nested TAP headers
selftests: kselftest framework: add handling for TAP header level
selftests: ion: Add simple test with the vgem driver
selftests: ion: Remove some prints
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git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security
Pull general security layer updates from James Morris:
- Convert security hooks from list to hlist, a nice cleanup, saving
about 50% of space, from Sargun Dhillon.
- Only pass the cred, not the secid, to kill_pid_info_as_cred and
security_task_kill (as the secid can be determined from the cred),
from Stephen Smalley.
- Close a potential race in kernel_read_file(), by making the file
unwritable before calling the LSM check (vs after), from Kees Cook.
* 'next-general' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security:
security: convert security hooks to use hlist
exec: Set file unwritable before LSM check
usb, signal, security: only pass the cred, not the secid, to kill_pid_info_as_cred and security_task_kill
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git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs
Pull fscache updates from David Howells:
"Three patches that fix some of AFS's usage of fscache:
(1) Need to invalidate the cache if a foreign data change is detected
on the server.
(2) Move the vnode ID uniquifier (equivalent to i_generation) from
the auxiliary data to the index key to prevent a race between
file delete and a subsequent file create seeing the same index
key.
(3) Need to retire cookies that correspond to files that we think got
deleted on the server.
Four patches to fix some things in fscache and cachefiles:
(4) Fix a couple of checker warnings.
(5) Correctly indicate to the end-of-operation callback whether an
operation completed or was cancelled.
(6) Add a check for multiple cookie relinquishment.
(7) Fix a path through the asynchronous write that doesn't wake up a
waiter for a page if the cache decides not to write that page,
but discards it instead.
A couple of patches to add tracepoints to fscache and cachefiles:
(8) Add tracepoints for cookie operators, object state machine
execution, cachefiles object management and cachefiles VFS
operations.
(9) Add tracepoints for fscache operation management and page
wrangling.
And then three development patches:
(10) Attach the index key and auxiliary data to the cookie, pass this
information through various fscache-netfs API functions and get
rid of the callbacks to the netfs to get it.
This means that the cache can get at this information, even if
the netfs goes away. It also means that the cache can be lazy in
updating the coherency data.
(11) Pass the object data size through various fscache-netfs API
rather than calling back to the netfs for it, and store the value
in the object.
This makes it easier to correctly resize the object, as the size
is updated on writes to the cache, rather than calling back out
to the netfs.
(12) Maintain a catalogue of allocated cookies. This makes it possible
to catch cookie collision up front rather than down in the bowels
of the cache being run from a service thread from the object
state machine.
This will also make it possible in the future to reconnect to a
cookie that's not gone dead yet because it's waiting for
finalisation of the storage and also make it possible to bring
cookies online if the cache is added after the cookie has been
obtained"
* tag 'fscache-next-20180406' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs:
fscache: Maintain a catalogue of allocated cookies
fscache: Pass object size in rather than calling back for it
fscache: Attach the index key and aux data to the cookie
fscache: Add more tracepoints
fscache: Add tracepoints
fscache: Fix hanging wait on page discarded by writeback
fscache: Detect multiple relinquishment of a cookie
fscache: Pass the correct cancelled indications to fscache_op_complete()
fscache, cachefiles: Fix checker warnings
afs: Be more aggressive in retiring cached vnodes
afs: Use the vnode ID uniquifier in the cache key not the aux data
afs: Invalidate cache on server data change
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Pull VFIO updates from Alex Williamson:
- Adopt iommu_unmap_fast() interface to type1 backend
(Suravee Suthikulpanit)
- mdev sample driver fixup (Shunyong Yang)
- More efficient PFN mapping handling in type1 backend
(Jason Cai)
- VFIO device ioeventfd interface (Alex Williamson)
- Tag new vfio-platform sub-maintainer (Alex Williamson)
* tag 'vfio-v4.17-rc1' of git://github.com/awilliam/linux-vfio:
MAINTAINERS: vfio/platform: Update sub-maintainer
vfio/pci: Add ioeventfd support
vfio/pci: Use endian neutral helpers
vfio/pci: Pull BAR mapping setup from read-write path
vfio/type1: Improve memory pinning process for raw PFN mapping
vfio-mdev/samples: change RDI interrupt condition
vfio/type1: Adopt fast IOTLB flush interface when unmap IOVAs
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Pull fw_cfg, vhost updates from Michael Tsirkin:
"This cleans up the qemu fw cfg device driver.
On top of this, vmcore is dumped there on crash to help debugging
with kASLR enabled.
Also included are some fixes in vhost"
* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost:
vhost: add vsock compat ioctl
vhost: fix vhost ioctl signature to build with clang
fw_cfg: write vmcoreinfo details
crash: export paddr_vmcoreinfo_note()
fw_cfg: add DMA register
fw_cfg: add a public uapi header
fw_cfg: handle fw_cfg_read_blob() error
fw_cfg: remove inline from fw_cfg_read_blob()
fw_cfg: fix sparse warnings around FW_CFG_FILE_DIR read
fw_cfg: fix sparse warning reading FW_CFG_ID
fw_cfg: fix sparse warnings with fw_cfg_file
fw_cfg: fix sparse warnings in fw_cfg_sel_endianness()
ptr_ring: fix build
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git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull PCI updates from Bjorn Helgaas:
- move pci_uevent_ers() out of pci.h (Michael Ellerman)
- skip ASPM common clock warning if BIOS already configured it (Sinan
Kaya)
- fix ASPM Coverity warning about threshold_ns (Gustavo A. R. Silva)
- remove last user of pci_get_bus_and_slot() and the function itself
(Sinan Kaya)
- add decoding for 16 GT/s link speed (Jay Fang)
- add interfaces to get max link speed and width (Tal Gilboa)
- add pcie_bandwidth_capable() to compute max supported link bandwidth
(Tal Gilboa)
- add pcie_bandwidth_available() to compute bandwidth available to
device (Tal Gilboa)
- add pcie_print_link_status() to log link speed and whether it's
limited (Tal Gilboa)
- use PCI core interfaces to report when device performance may be
limited by its slot instead of doing it in each driver (Tal Gilboa)
- fix possible cpqphp NULL pointer dereference (Shawn Lin)
- rescan more of the hierarchy on ACPI hotplug to fix Thunderbolt/xHCI
hotplug (Mika Westerberg)
- add support for PCI I/O port space that's neither directly accessible
via CPU in/out instructions nor directly mapped into CPU physical
memory space. This is fairly intrusive and includes minor changes to
interfaces used for I/O space on most platforms (Zhichang Yuan, John
Garry)
- add support for HiSilicon Hip06/Hip07 LPC I/O space (Zhichang Yuan,
John Garry)
- use PCI_EXP_DEVCTL2_COMP_TIMEOUT in rapidio/tsi721 (Bjorn Helgaas)
- remove possible NULL pointer dereference in of_pci_bus_find_domain_nr()
(Shawn Lin)
- report quirk timings with dev_info (Bjorn Helgaas)
- report quirks that take longer than 10ms (Bjorn Helgaas)
- add and use Altera Vendor ID (Johannes Thumshirn)
- tidy Makefiles and comments (Bjorn Helgaas)
- don't set up INTx if MSI or MSI-X is enabled to align cris, frv,
ia64, and mn10300 with x86 (Bjorn Helgaas)
- move pcieport_if.h to drivers/pci/pcie/ to encapsulate it (Frederick
Lawler)
- merge pcieport_if.h into portdrv.h (Bjorn Helgaas)
- move workaround for BIOS PME issue from portdrv to PCI core (Bjorn
Helgaas)
- completely disable portdrv with "pcie_ports=compat" (Bjorn Helgaas)
- remove portdrv link order dependency (Bjorn Helgaas)
- remove support for unused VC portdrv service (Bjorn Helgaas)
- simplify portdrv feature permission checking (Bjorn Helgaas)
- remove "pcie_hp=nomsi" parameter (use "pci=nomsi" instead) (Bjorn
Helgaas)
- remove unnecessary "pcie_ports=auto" parameter (Bjorn Helgaas)
- use cached AER capability offset (Frederick Lawler)
- don't enable DPC if BIOS hasn't granted AER control (Mika Westerberg)
- rename pcie-dpc.c to dpc.c (Bjorn Helgaas)
- use generic pci_mmap_resource_range() instead of powerpc and xtensa
arch-specific versions (David Woodhouse)
- support arbitrary PCI host bridge offsets on sparc (Yinghai Lu)
- remove System and Video ROM reservations on sparc (Bjorn Helgaas)
- probe for device reset support during enumeration instead of runtime
(Bjorn Helgaas)
- add ACS quirk for Ampere (née APM) root ports (Feng Kan)
- add function 1 DMA alias quirk for Marvell 88SE9220 (Thomas
Vincent-Cross)
- protect device restore with device lock (Sinan Kaya)
- handle failure of FLR gracefully (Sinan Kaya)
- handle CRS (config retry status) after device resets (Sinan Kaya)
- skip various config reads for SR-IOV VFs as an optimization
(KarimAllah Ahmed)
- consolidate VPD code in vpd.c (Bjorn Helgaas)
- add Tegra dependency on PCI_MSI_IRQ_DOMAIN (Arnd Bergmann)
- add DT support for R-Car r8a7743 (Biju Das)
- fix a PCI_EJECT vs PCI_BUS_RELATIONS race condition in Hyper-V host
bridge driver that causes a general protection fault (Dexuan Cui)
- fix Hyper-V host bridge hang in MSI setup on 1-vCPU VMs with SR-IOV
(Dexuan Cui)
- fix Hyper-V host bridge hang when ejecting a VF before setting up MSI
(Dexuan Cui)
- make several structures static (Fengguang Wu)
- increase number of MSI IRQs supported by Synopsys DesignWare bridges
from 32 to 256 (Gustavo Pimentel)
- implemented multiplexed IRQ domain API and remove obsolete MSI IRQ
API from DesignWare drivers (Gustavo Pimentel)
- add Tegra power management support (Manikanta Maddireddy)
- add Tegra loadable module support (Manikanta Maddireddy)
- handle 64-bit BARs correctly in endpoint support (Niklas Cassel)
- support optional regulator for HiSilicon STB (Shawn Guo)
- use regulator bulk API for Qualcomm apq8064 (Srinivas Kandagatla)
- support power supplies for Qualcomm msm8996 (Srinivas Kandagatla)
* tag 'pci-v4.17-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (123 commits)
MAINTAINERS: Add John Garry as maintainer for HiSilicon LPC driver
HISI LPC: Add ACPI support
ACPI / scan: Do not enumerate Indirect IO host children
ACPI / scan: Rename acpi_is_serial_bus_slave() for more general use
HISI LPC: Support the LPC host on Hip06/Hip07 with DT bindings
of: Add missing I/O range exception for indirect-IO devices
PCI: Apply the new generic I/O management on PCI IO hosts
PCI: Add fwnode handler as input param of pci_register_io_range()
PCI: Remove __weak tag from pci_register_io_range()
MAINTAINERS: Add missing /drivers/pci/cadence directory entry
fm10k: Report PCIe link properties with pcie_print_link_status()
net/mlx5e: Use pcie_bandwidth_available() to compute bandwidth
net/mlx5: Report PCIe link properties with pcie_print_link_status()
net/mlx4_core: Report PCIe link properties with pcie_print_link_status()
PCI: Add pcie_print_link_status() to log link speed and whether it's limited
PCI: Add pcie_bandwidth_available() to compute bandwidth available to device
misc: pci_endpoint_test: Handle 64-bit BARs properly
PCI: designware-ep: Make dw_pcie_ep_reset_bar() handle 64-bit BARs properly
PCI: endpoint: Make sure that BAR_5 does not have 64-bit flag set when clearing
PCI: endpoint: Make epc->ops->clear_bar()/pci_epc_clear_bar() take struct *epf_bar
...
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git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma
Pull rdma updates from Jason Gunthorpe:
"Doug and I are at a conference next week so if another PR is sent I
expect it to only be bug fixes. Parav noted yesterday that there are
some fringe case behavior changes in his work that he would like to
fix, and I see that Intel has a number of rc looking patches for HFI1
they posted yesterday.
Parav is again the biggest contributor by patch count with his ongoing
work to enable container support in the RDMA stack, followed by Leon
doing syzkaller inspired cleanups, though most of the actual fixing
went to RC.
There is one uncomfortable series here fixing the user ABI to actually
work as intended in 32 bit mode. There are lots of notes in the commit
messages, but the basic summary is we don't think there is an actual
32 bit kernel user of drivers/infiniband for several good reasons.
However we are seeing people want to use a 32 bit user space with 64
bit kernel, which didn't completely work today. So in fixing it we
required a 32 bit rxe user to upgrade their userspace. rxe users are
still already quite rare and we think a 32 bit one is non-existing.
- Fix RDMA uapi headers to actually compile in userspace and be more
complete
- Three shared with netdev pull requests from Mellanox:
* 7 patches, mostly to net with 1 IB related one at the back).
This series addresses an IRQ performance issue (patch 1),
cleanups related to the fix for the IRQ performance problem
(patches 2-6), and then extends the fragmented completion queue
support that already exists in the net side of the driver to the
ib side of the driver (patch 7).
* Mostly IB, with 5 patches to net that are needed to support the
remaining 10 patches to the IB subsystem. This series extends
the current 'representor' framework when the mlx5 driver is in
switchdev mode from being a netdev only construct to being a
netdev/IB dev construct. The IB dev is limited to raw Eth queue
pairs only, but by having an IB dev of this type attached to the
representor for a switchdev port, it enables DPDK to work on the
switchdev device.
* All net related, but needed as infrastructure for the rdma
driver
- Updates for the hns, i40iw, bnxt_re, cxgb3, cxgb4, hns drivers
- SRP performance updates
- IB uverbs write path cleanup patch series from Leon
- Add RDMA_CM support to ib_srpt. This is disabled by default. Users
need to set the port for ib_srpt to listen on in configfs in order
for it to be enabled
(/sys/kernel/config/target/srpt/discovery_auth/rdma_cm_port)
- TSO and Scatter FCS support in mlx4
- Refactor of modify_qp routine to resolve problems seen while
working on new code that is forthcoming
- More refactoring and updates of RDMA CM for containers support from
Parav
- mlx5 'fine grained packet pacing', 'ipsec offload' and 'device
memory' user API features
- Infrastructure updates for the new IOCTL interface, based on
increased usage
- ABI compatibility bug fixes to fully support 32 bit userspace on 64
bit kernel as was originally intended. See the commit messages for
extensive details
- Syzkaller bugs and code cleanups motivated by them"
* tag 'for-linus-unmerged' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma: (199 commits)
IB/rxe: Fix for oops in rxe_register_device on ppc64le arch
IB/mlx5: Device memory mr registration support
net/mlx5: Mkey creation command adjustments
IB/mlx5: Device memory support in mlx5_ib
net/mlx5: Query device memory capabilities
IB/uverbs: Add device memory registration ioctl support
IB/uverbs: Add alloc/free dm uverbs ioctl support
IB/uverbs: Add device memory capabilities reporting
IB/uverbs: Expose device memory capabilities to user
RDMA/qedr: Fix wmb usage in qedr
IB/rxe: Removed GID add/del dummy routines
RDMA/qedr: Zero stack memory before copying to user space
IB/mlx5: Add ability to hash by IPSEC_SPI when creating a TIR
IB/mlx5: Add information for querying IPsec capabilities
IB/mlx5: Add IPsec support for egress and ingress
{net,IB}/mlx5: Add ipsec helper
IB/mlx5: Add modify_flow_action_esp verb
IB/mlx5: Add implementation for create and destroy action_xfrm
IB/uverbs: Introduce ESP steering match filter
IB/uverbs: Add modify ESP flow_action
...
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git://git.linaro.org/landing-teams/working/fujitsu/integration
Pull mailbox updates from Jassi Brar:
- New Hi3660 mailbox driver
- Fix TEGRA Kconfig warning
- Broadcom: use dma_pool_zalloc instead of dma_pool_alloc+memset
* tag 'mailbox-v4.17' of git://git.linaro.org/landing-teams/working/fujitsu/integration:
mailbox: Add support for Hi3660 mailbox
dt-bindings: mailbox: Introduce Hi3660 controller binding
mailbox: tegra: relax TEGRA_HSP_MBOX Kconfig dependencies
maillbox: bcm-flexrm-mailbox: Use dma_pool_zalloc()
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MAINTAINERS is out of date for leaking_addresses.pl. There is now a tree on
kernel.org for development of this script. We have a second maintainer now,
thanks Tycho. Development of this scripts was started on kernel-hardening
mailing list so let's keep it there.
Update maintainer details; Add mailing list, kernel.org hosted tree, and second
maintainer.
Signed-off-by: Tobin C. Harding <me@tobin.cc>
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Sometimes files may be created by using output from printk. As the scan
traverses the directory tree we should parse each path name and check if
it is leaking an address.
Add check for leaking address on each path name.
Suggested-by: Tycho Andersen <tycho@tycho.ws>
Acked-by: Tycho Andersen <tycho@tycho.ws>
Signed-off-by: Tobin C. Harding <me@tobin.cc>
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Currently sub routine may_leak_address() is checking regex against Perl
special variable $_ which is _fortunately_ being set correctly in a loop
before this sub routine is called. We already have declared a variable
to hold this value '$line' we should use it.
Use $line in regex match instead of implicit $_
Signed-off-by: Tobin C. Harding <me@tobin.cc>
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We have git now, we don't need a version number. This was originally
added because leaking_addresses.pl shamelessly (and mindlessly) copied
checkpatch.pl
Remove version number from script.
Signed-off-by: Tobin C. Harding <me@tobin.cc>
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The pointers listed in /proc/1/syscall are user pointers, and negative
syscall args will show up like kernel addresses.
For example
/proc/31808/syscall: 0 0x3 0x55b107a38180 0x2000 0xffffffffffffffb0 \
0x55b107a302d0 0x55b107a38180 0x7fffa313b8e8 0x7ff098560d11
Skip parsing /proc/1/syscall
Suggested-by: Tycho Andersen <tycho@tycho.ws>
Signed-off-by: Tobin C. Harding <me@tobin.cc>
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When the system is idle it is likely that most files under /proc/PID
will be identical for various processes. Scanning _all_ the PIDs under
/proc is unnecessary and implies that we are thoroughly scanning /proc.
This is _not_ the case because there may be ways userspace can trigger
creation of /proc files that leak addresses but were not present during
a scan. For these two reasons we should exclude all PID directories
under /proc except '1/'
Exclude all /proc/PID except /proc/1.
Signed-off-by: Tobin C. Harding <me@tobin.cc>
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Currently we are repeatedly calling `uname -m`. This is causing the
script to take a long time to run (more than 10 seconds to parse
/proc/kallsyms). We can use Perl state variables to cache the result of
the first call to `uname -m`. With this change in place the script
scans the whole kernel in under a minute.
Cache machine architecture in state variable.
Signed-off-by: Tobin C. Harding <me@tobin.cc>
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Currently script has multiple configuration arrays. This is confusing,
evident by the fact that a bunch of the entries are in the wrong place.
We can simplify the code by just having a single array for absolute
paths to skip and a single array for file names to skip wherever they
appear in the scanned directory tree. There are also currently multiple
subroutines to handle the different arrays, we can reduce these to a
single subroutine also.
Simplify the path skipping code.
Signed-off-by: Tobin C. Harding <me@tobin.cc>
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Currently script parses binary files. Since we are scanning for
readable kernel addresses there is no need to parse binary files. We
can use Perl to check if file is binary and skip parsing it if so.
Do not parse binary files.
Signed-off-by: Tobin C. Harding <me@tobin.cc>
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Currently script only supports x86_64 and ppc64. It would be nice to be
able to scan 32-bit machines also. We can add support for 32-bit
architectures by modifying how we check for false positives, taking
advantage of the page offset used by the kernel, and using the correct
regular expression.
Support for 32-bit machines is enabled by the observation that the kernel
addresses on 32-bit machines are larger [in value] than the page offset.
We can use this to filter false positives when scanning the kernel for
leaking addresses.
Programmatic determination of the running architecture is not
immediately obvious (current 32-bit machines return various strings from
`uname -m`). We therefore provide a flag to enable scanning of 32-bit
kernels. Also we can check the kernel config file for the offset and if
not found default to 0xc0000000. A command line option to parse in the
page offset is also provided. We do automatically detect architecture
if running on ix86.
Add support for 32-bit kernels. Add a command line option for page
offset.
Suggested-by: Kaiwan N Billimoria <kaiwan.billimoria@gmail.com>
Signed-off-by: Tobin C. Harding <me@tobin.cc>
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Currently there is duplicate code when checking the architecture type.
We can remove the duplication by implementing a wrapper function
is_arch().
Implement and use wrapper function is_arch().
Signed-off-by: Tobin C. Harding <me@tobin.cc>
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Currently script uses Perl to get the machine architecture. This can be
erroneous since Perl uses the architecture of the machine that Perl was
compiled on not the architecture of the running machine. We should use
the systems `uname` command instead.
Use `uname -m` instead of Perl to get the machine architecture.
Signed-off-by: Tobin C. Harding <me@tobin.cc>
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Currently script only supports 4 page table levels because of the way
the kernel address regular expression is crafted. We can do better than
this. Using previously added support for kernel configuration options we
can get the number of page table levels defined by
CONFIG_PGTABLE_LEVELS. Using this value a correct regular expression can
be crafted. This only supports 5 page tables on x86_64.
Add support for 5 page table levels on x86_64.
Signed-off-by: Tobin C. Harding <me@tobin.cc>
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Features that rely on the ability to get kernel configuration options
are ready to be implemented in script. In preparation for this we can
add support for kernel config options as a separate patch to ease
review.
Add support for locating and parsing kernel configuration file.
Signed-off-by: Tobin C. Harding <me@tobin.cc>
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Currently script checks only first and last address in the vsyscall
memory range. We can do better than this. When checking for false
positives against $match, we can convert $match to a hexadecimal value
then check if it lies within the range of vsyscall addresses.
Check whole range of vsyscall addresses when checking for false
positive.
Signed-off-by: Tobin C. Harding <me@tobin.cc>
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A number of the command line options to script are dependant on the
option --input-raw being set. If we indent these options it makes
explicit this dependency.
Indent options dependant on --input-raw.
Signed-off-by: Tobin C. Harding <me@tobin.cc>
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Currently help output includes command examples. These were cute when we
first started development of this script but are unnecessary.
Remove command examples.
Signed-off-by: Tobin C. Harding <me@tobin.cc>
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leaking_addresses.pl can be run with kptr_restrict==0 now, we don't need
the comment about setting kptr_restrict any more.
Remove comment suggesting setting kptr_restrict.
Signed-off-by: Tobin C. Harding <me@tobin.cc>
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Currently code uses a check against an undefined variable because the
variable is a sub routine name and is not evaluated.
Evaluate subroutine; add parenthesis to sub routine name.
Signed-off-by: Tobin C. Harding <me@tobin.cc>
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git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux
Pull SELinux updates from Paul Moore:
"A bigger than usual pull request for SELinux, 13 patches (lucky!)
along with a scary looking diffstat.
Although if you look a bit closer, excluding the usual minor
tweaks/fixes, there are really only two significant changes in this
pull request: the addition of proper SELinux access controls for SCTP
and the encapsulation of a lot of internal SELinux state.
The SCTP changes are the result of a multi-month effort (maybe even a
year or longer?) between the SELinux folks and the SCTP folks to add
proper SELinux controls. A special thanks go to Richard for seeing
this through and keeping the effort moving forward.
The state encapsulation work is a bit of janitorial work that came out
of some early work on SELinux namespacing. The question of namespacing
is still an open one, but I believe there is some real value in the
encapsulation work so we've split that out and are now sending that up
to you"
* tag 'selinux-pr-20180403' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux:
selinux: wrap AVC state
selinux: wrap selinuxfs state
selinux: fix handling of uninitialized selinux state in get_bools/classes
selinux: Update SELinux SCTP documentation
selinux: Fix ltp test connect-syscall failure
selinux: rename the {is,set}_enforcing() functions
selinux: wrap global selinux state
selinux: fix typo in selinux_netlbl_sctp_sk_clone declaration
selinux: Add SCTP support
sctp: Add LSM hooks
sctp: Add ip option support
security: Add support for SCTP security hooks
netlabel: If PF_INET6, check sk_buff ip header version
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git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/audit
Pull audit updates from Paul Moore:
"We didn't have anything to send for v4.16, but we're back with a
little more than usual for v4.17.
Eleven patches in total, most fall into the small fix category, but
there are three non-trivial changes worth calling out:
- the audit entry filter is being removed after deprecating it for
quite a while (years of no one really using it because it turns out
to be not very practical)
- created our own version of "__mutex_owner()" because the locking
folks were upset we were using theirs
- improved our handling of kernel command line parameters to make
them more forgiving
- we fixed auditing of symlink operations
Everything passes the audit-testsuite and as of a few minutes ago it
merges well with your tree"
* tag 'audit-pr-20180403' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/audit:
audit: add refused symlink to audit_names
audit: remove path param from link denied function
audit: link denied should not directly generate PATH record
audit: make ANOM_LINK obey audit_enabled and audit_dummy_context
audit: do not panic on invalid boot parameter
audit: track the owner of the command mutex ourselves
audit: return on memory error to avoid null pointer dereference
audit: bail before bug check if audit disabled
audit: deprecate the AUDIT_FILTER_ENTRY filter
audit: session ID should not set arch quick field pointer
audit: update bugtracker and source URIs
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git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux
Pull pstore updates from Kees Cook:
"This cycle was almost entirely improvements to the pstore compression
options, noted below:
- Add lz4hc and 842 to pstore compression options (Geliang Tang)
- Refactor to use crypto compression API (Geliang Tang)
- Fix up Kconfig dependencies for compression (Arnd Bergmann)
- Allow for run-time compression selection
- Remove stack VLA usage"
* tag 'pstore-v4.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
pstore: fix crypto dependencies
pstore: Use crypto compress API
pstore/ram: Do not use stack VLA for parity workspace
pstore: Select compression at runtime
pstore: Avoid size casts for 842 compression
pstore: Add lz4hc and 842 compression support
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Merge updates from Andrew Morton:
- a few misc things
- ocfs2 updates
- the v9fs maintainers have been missing for a long time. I've taken
over v9fs patch slinging.
- most of MM
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (116 commits)
mm,oom_reaper: check for MMF_OOM_SKIP before complaining
mm/ksm: fix interaction with THP
mm/memblock.c: cast constant ULLONG_MAX to phys_addr_t
headers: untangle kmemleak.h from mm.h
include/linux/mmdebug.h: make VM_WARN* non-rvals
mm/page_isolation.c: make start_isolate_page_range() fail if already isolated
mm: change return type to vm_fault_t
mm, oom: remove 3% bonus for CAP_SYS_ADMIN processes
mm, page_alloc: wakeup kcompactd even if kswapd cannot free more memory
kernel/fork.c: detect early free of a live mm
mm: make counting of list_lru_one::nr_items lockless
mm/swap_state.c: make bool enable_vma_readahead and swap_vma_readahead() static
block_invalidatepage(): only release page if the full page was invalidated
mm: kernel-doc: add missing parameter descriptions
mm/swap.c: remove @cold parameter description for release_pages()
mm/nommu: remove description of alloc_vm_area
zram: drop max_zpage_size and use zs_huge_class_size()
zsmalloc: introduce zs_huge_class_size()
mm: fix races between swapoff and flush dcache
fs/direct-io.c: minor cleanups in do_blockdev_direct_IO
...
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Pull MTD updates from Boris Brezillon:
"MTD Core:
- Remove support for asynchronous erase (not implemented by any of
the existing drivers anyway)
- Remove Cyrille from the list of SPI NOR and MTD maintainers
- Fix kernel doc headers
- Allow users to define the partitions parsers they want to test
through a DT property (compatible of the partitions subnode)
- Remove the bfin-async-flash driver (the only architecture using it
has been removed)
- Fix pagetest test
- Add extra checks in mtd_erase()
- Simplify the MTD partition creation logic and get rid of
mtd_add_device_partitions()
MTD Drivers:
- Add endianness information to the physmap DT binding
- Add Eon EN29LV400A IDs to JEDEC probe logic
- Use %*ph where appropriate
SPI NOR Drivers:
- Make fsl-quaspi assign different names to MTD devices connected to
the same QSPI controller
- Remove an unneeded driver.bus assigned in the fsl-qspi driver
NAND Core:
- Prepare arrival of the SPI NAND subsystem by implementing a generic
(interface-agnostic) layer to ease manipulation of NAND devices
- Move onenand code base to the drivers/mtd/nand/ dir
- Rework timing mode selection
- Provide a generic way for NAND chip drivers to flag a specific
GET/SET FEATURE operation as supported/unsupported
- Stop embedding ONFI/JEDEC param page in nand_chip
NAND Drivers:
- Rework/cleanup of the mxc driver
- Various cleanups in the vf610 driver
- Migrate the fsmc and vf610 to ->exec_op()
- Get rid of the pxa driver (replaced by marvell_nand)
- Support ->setup_data_interface() in the GPMI driver
- Fix probe error path in several drivers
- Remove support for unused hw_syndrome mode in sunxi_nand
- Various minor improvements"
* tag 'mtd/for-4.17' of git://git.infradead.org/linux-mtd: (89 commits)
dt-bindings: fsl-quadspi: Add the example of two SPI NOR
mtd: fsl-quadspi: Distinguish the mtd device names
mtd: nand: Fix some function description mismatches in core.c
mtd: fsl-quadspi: Remove unneeded driver.bus assignment
mtd: rawnand: marvell: Rename ->ecc_clk into ->core_clk
mtd: rawnand: s3c2410: enhance the probe function error path
mtd: rawnand: tango: fix probe function error path
mtd: rawnand: sh_flctl: fix the probe function error path
mtd: rawnand: omap2: fix the probe function error path
mtd: rawnand: mxc: fix probe function error path
mtd: rawnand: denali: fix probe function error path
mtd: rawnand: davinci: fix probe function error path
mtd: rawnand: cafe: fix probe function error path
mtd: rawnand: brcmnand: fix probe function error path
mtd: rawnand: sunxi: Stop supporting ECC_HW_SYNDROME mode
mtd: rawnand: marvell: Fix clock resource by adding a register clock
mtd: ftl: Use DIV_ROUND_UP()
mtd: Fix some function description mismatches in mtdcore.c
mtd: physmap_of: update struct map_info's swap as per map requirement
dt-bindings: mtd-physmap: Add endianness supports
...
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