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Merge tag 'audit-pr-20190305' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/audit
Pull audit updates from Paul Moore:
"A lucky 13 audit patches for v5.1.
Despite the rather large diffstat, most of the changes are from two
bug fix patches that move code from one Kconfig option to another.
Beyond that bit of churn, the remaining changes are largely cleanups
and bug-fixes as we slowly march towards container auditing. It isn't
all boring though, we do have a couple of new things: file
capabilities v3 support, and expanded support for filtering on
filesystems to solve problems with remote filesystems.
All changes pass the audit-testsuite. Please merge for v5.1"
* tag 'audit-pr-20190305' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/audit:
audit: mark expected switch fall-through
audit: hide auditsc_get_stamp and audit_serial prototypes
audit: join tty records to their syscall
audit: remove audit_context when CONFIG_ AUDIT and not AUDITSYSCALL
audit: remove unused actx param from audit_rule_match
audit: ignore fcaps on umount
audit: clean up AUDITSYSCALL prototypes and stubs
audit: more filter PATH records keyed on filesystem magic
audit: add support for fcaps v3
audit: move loginuid and sessionid from CONFIG_AUDITSYSCALL to CONFIG_AUDIT
audit: add syscall information to CONFIG_CHANGE records
audit: hand taken context to audit_kill_trees for syscall logging
audit: give a clue what CONFIG_CHANGE op was involved
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Merge tag 'selinux-pr-20190305' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux
Pull SELinux updates from Paul Moore:
"Nine SELinux patches for v5.1, all bug fixes.
As far as I'm concerned, nothing really jumps out as risky or special
to me, but each commit has a decent description so you can judge for
yourself. As usual, everything passes the selinux-testsuite; please
merge for v5.1"
* tag 'selinux-pr-20190305' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux:
selinux: fix avc audit messages
selinux: replace BUG_ONs with WARN_ONs in avc.c
selinux: log invalid contexts in AVCs
selinux: replace some BUG_ON()s with a WARN_ON()
selinux: inline some AVC functions used only once
selinux: do not override context on context mounts
selinux: never allow relabeling on context mounts
selinux: stop passing MAY_NOT_BLOCK to the AVC upon follow_link
selinux: avoid silent denials in permissive mode under RCU walk
Pull security subsystem updates from James Morris:
- Extend LSM stacking to allow sharing of cred, file, ipc, inode, and
task blobs. This paves the way for more full-featured LSMs to be
merged, and is specifically aimed at LandLock and SARA LSMs. This
work is from Casey and Kees.
- There's a new LSM from Micah Morton: "SafeSetID gates the setid
family of syscalls to restrict UID/GID transitions from a given
UID/GID to only those approved by a system-wide whitelist." This
feature is currently shipping in ChromeOS.
* 'next-general' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security: (62 commits)
keys: fix missing __user in KEYCTL_PKEY_QUERY
LSM: Update list of SECURITYFS users in Kconfig
LSM: Ignore "security=" when "lsm=" is specified
LSM: Update function documentation for cap_capable
security: mark expected switch fall-throughs and add a missing break
tomoyo: Bump version.
LSM: fix return value check in safesetid_init_securityfs()
LSM: SafeSetID: add selftest
LSM: SafeSetID: remove unused include
LSM: SafeSetID: 'depend' on CONFIG_SECURITY
LSM: Add 'name' field for SafeSetID in DEFINE_LSM
LSM: add SafeSetID module that gates setid calls
LSM: add SafeSetID module that gates setid calls
tomoyo: Allow multiple use_group lines.
tomoyo: Coding style fix.
tomoyo: Swicth from cred->security to task_struct->security.
security: keys: annotate implicit fall throughs
security: keys: annotate implicit fall throughs
security: keys: annotate implicit fall through
capabilities:: annotate implicit fall through
...
The simple vNIC mailbox length should be 12 decimal and not 0x12.
Using a decimal also makes it clear this is a length value and not
another field within the simple mailbox defines.
Found by code inspection, there are no known firmware configurations
where this would cause issues.
Fixes: 527d7d1b99 ("nfp: read mailbox address from TLV caps")
Signed-off-by: Dirk van der Merwe <dirk.vandermerwe@netronome.com>
Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
I removed compat's universal assignment to 0, which allows this if
statement to fall through when compat is passed with a value other
than 0.
Fixes: f9d19a7494 ("net: atm: Use IS_ENABLED in atm_dev_ioctl")
Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When building with -Wsometimes-uninitialized, Clang warns:
drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:495:3: warning: variable 'ns' is used uninitialized whenever 'if' condition is false [-Wsometimes-uninitialized]
drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:495:3: warning: variable 'ns' is used uninitialized whenever '&&' condition is false [-Wsometimes-uninitialized]
drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:532:3: warning: variable 'ns' is used uninitialized whenever 'if' condition is false [-Wsometimes-uninitialized]
drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:532:3: warning: variable 'ns' is used uninitialized whenever '&&' condition is false [-Wsometimes-uninitialized]
drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:741:3: warning: variable 'sec_inc' is used uninitialized whenever 'if' condition is false [-Wsometimes-uninitialized]
drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:741:3: warning: variable 'sec_inc' is used uninitialized whenever '&&' condition is false [-Wsometimes-uninitialized]
Clang is concerned with the use of stmmac_do_void_callback (which
stmmac_get_timestamp and stmmac_config_sub_second_increment wrap),
as it may fail to initialize these values if the if condition was ever
false (meaning the callbacks don't exist). It's not wrong because the
callbacks (get_timestamp and config_sub_second_increment respectively)
are the ones that initialize the variables. While it's unlikely that the
callbacks are ever going to disappear and make that condition false, we
can easily avoid this warning by zero initialize the variables.
Link: https://github.com/ClangBuiltLinux/linux/issues/384
Suggested-by: Nick Desaulniers <ndesaulniers@google.com>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Pull workqueue updates from Tejun Heo:
"All trivial. Two comment updates and one more initialization sanity
check in flush_work()"
* 'for-5.1' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq:
workqueue: Fix spelling in source code comments
workqueue: fix typo in comment
workqueue: Try to catch flush_work() without INIT_WORK().
Pull percpu updates from Dennis Zhou:
"There are 2 minor changes to the percpu allocator this merge window:
- for loop condition that could be out of bounds on multi-socket UP
- cosmetic removal of pcpu_group_offsets[0] in UP code as it is 0
There has been an interest in having better alignment with percpu
allocations. This has caused a performance regression in at least one
reported workload. I have a series out which adds scan hints to the
allocator as well as some other performance oriented changes. I hope
to have this queued for v5.2 soon"
* 'for-5.1' of git://git.kernel.org/pub/scm/linux/kernel/git/dennis/percpu:
percpu: km: no need to consider pcpu_group_offsets[0]
percpu: use nr_groups as check condition
A small fix Pavel sent me back in august was accidentally lost due to it
being placed with some other patches that failed some tests, and was rebased
out of my local tree. Which was a regression that caused event filters
not to handle negative numbers.
The clean up is from Masami that realized that the code in kprobes that
calls probe_mem_read() wrapper, which is to be used in code used by both
kprobes and uprobes, was only in code for kprobes. It should not use the
wrapper there, but instead call probe_kernel_read() directly.
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Merge tag 'trace-v5.0-pre' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
Pull tracing fix/cleanup from Steven Rostedt:
"This is a "pre-pull". It's only one small fix and one small clean up.
I'm testing a few small patches for my real pull request which will
come at a later time. The second patch depends on your tree anyway so
I included it along with the urgent fix.
A small fix Pavel sent me back in august was accidentally lost due to
it being placed with some other patches that failed some tests, and
was rebased out of my local tree. Which was a regression that caused
event filters not to handle negative numbers.
The clean up is from Masami that realized that the code in kprobes
that calls probe_mem_read() wrapper, which is to be used in code used
by both kprobes and uprobes, was only in code for kprobes. It should
not use the wrapper there, but instead call probe_kernel_read()
directly"
* tag 'trace-v5.0-pre' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
tracing/kprobes: Use probe_kernel_read instead of probe_mem_read
tracing: Fix event filters and triggers to handle negative numbers
When building with -Wsometimes-uninitialized, Clang warns:
net/atm/resources.c:256:6: warning: variable 'number' is used uninitialized whenever 'if' condition is true [-Wsometimes-uninitialized]
net/atm/resources.c:212:7: warning: variable 'iobuf_len' is used uninitialized whenever 'if' condition is true [-Wsometimes-uninitialized]
Clang won't realize that compat is 0 when CONFIG_COMPAT is not set until
the constant folding stage, which happens after this semantic analysis.
Use IS_ENABLED instead so that the zero is present at the semantic
analysis stage, which eliminates this warning.
Link: https://github.com/ClangBuiltLinux/linux/issues/386
Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
clang inlines the dev_ethtool() more aggressively than gcc does, leading
to a larger amount of used stack space:
net/core/ethtool.c:2536:24: error: stack frame size of 1216 bytes in function 'dev_ethtool' [-Werror,-Wframe-larger-than=]
Marking the sub-functions that require the most stack space as
noinline_for_stack gives us reasonable behavior on all compilers.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Michal Kubecek <mkubecek@suse.cz>
Signed-off-by: David S. Miller <davem@davemloft.net>
Driver uses port-mtu as packet-size for the loopback traffic. This patch
limits the max packet size to 1.5K to avoid data being split over multiple
buffer descriptors (BDs) in cases where MTU > PAGE_SIZE.
Signed-off-by: Sudarsana Reddy Kalluru <skalluru@marvell.com>
Signed-off-by: Ariel Elior <aelior@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The enic driver relies on the CONFIG_CPUMASK_OFFSTACK feature to
dynamically allocate a struct member, but this is normally intended for
local variables.
Building with clang, I get a warning for a few locations that check the
address of the cpumask_var_t:
drivers/net/ethernet/cisco/enic/enic_main.c:122:22: error: address of array 'enic->msix[i].affinity_mask' will always evaluate to 'true' [-Werror,-Wpointer-bool-conversion]
As far as I can tell, the code is still correct, as the truth value of
the pointer is what we need in this configuration. To get rid of
the warning, use cpumask_available() instead of checking the
pointer directly.
Fixes: 322cf7e3a4 ("enic: assign affinity hint to interrupts")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Nathan Chancellor <natechancellor@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Clang points out undefined behavior when building the pcan_usb_pro driver:
drivers/net/can/usb/peak_usb/pcan_usb_pro.c:136:15: error: passing an object that undergoes default argument promotion to 'va_start' has undefined behavior [-Werror,-Wvarargs]
Changing the function prototype to avoid argument promotion in the
varargs call avoids the warning, and should make this well-defined.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Nathan Chancellor <natechancellor@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
- Fix online fsck to handle inode btrees correctly on 64k block
filesystems.
- Teach online fsck to check directory and attribute names for invalid
characters.
- Miscellanous fixes for online fsck.
- Introduce a new panic mask so that we can halt immediately on
metadata corruption (for debugging purposes)
- Fix a block mapping race during writeback.
- Cache unlinked inode list backrefs in memory to speed up list
processing.
- Separate the bnobt/cntbt and inobt/finobt buffer verifiers so that we
can detect crosslinked btrees.
- Refactor magic number verification so that we can standardize it.
- Strengthen ondisk metadata structure offset build time verification.
- Fix a memory corruption problem in the listxattr code.
- Fix a shutdown problem during log recovery due to unreserved finobt
expansion.
- Fix a referential integrity problem where O_TMPFILE inodes were put on
the unlinked list with nlink > 0 which would cause asserts during log
recovery if the system went down immediately.
- Refactor the delayed allocation allocator to be more clever about the
possibility that its mapping might be stale.
- Various fixes to the copy on write mechanism.
- Make CoW preallocation suitable for use even with writes that wouldn't
otherwise require it.
- Refactor an internal API.
- Fix some statx implementation bugs.
- Fix miscellaneous compiler and static checker complaints.
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Merge tag 'xfs-5.1-merge-4' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux
Pull xfs updates from Darrick Wong:
"Here are a number of new features and bug fixes for 5.1
They've undergone a week's worth of fstesting and merge cleanly with
master as of this morning
Most of the changes center on improving metadata validation and fixing
problems with online fsck, though there's also a new cache to speed up
unlinked inode handling and cleanup of the copy on write code in
preparation for future features
Changes for Linux 5.1:
- Fix online fsck to handle inode btrees correctly on 64k block
filesystems
- Teach online fsck to check directory and attribute names for
invalid characters
- Miscellanous fixes for online fsck
- Introduce a new panic mask so that we can halt immediately on
metadata corruption (for debugging purposes)
- Fix a block mapping race during writeback
- Cache unlinked inode list backrefs in memory to speed up list
processing
- Separate the bnobt/cntbt and inobt/finobt buffer verifiers so that
we can detect crosslinked btrees
- Refactor magic number verification so that we can standardize it
- Strengthen ondisk metadata structure offset build time verification
- Fix a memory corruption problem in the listxattr code
- Fix a shutdown problem during log recovery due to unreserved finobt
expansion
- Fix a referential integrity problem where O_TMPFILE inodes were put
on the unlinked list with nlink > 0 which would cause asserts
during log recovery if the system went down immediately
- Refactor the delayed allocation allocator to be more clever about
the possibility that its mapping might be stale
- Various fixes to the copy on write mechanism
- Make CoW preallocation suitable for use even with writes that
wouldn't otherwise require it
- Refactor an internal API
- Fix some statx implementation bugs
- Fix miscellaneous compiler and static checker complaints"
* tag 'xfs-5.1-merge-4' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux: (70 commits)
xfs: fix reporting supported extra file attributes for statx()
xfs: fix backwards endian conversion in scrub
xfs: fix uninitialized error variables
xfs: rework breaking of shared extents in xfs_file_iomap_begin
xfs: don't pass iomap flags to xfs_reflink_allocate_cow
xfs: fix uninitialized error variable
xfs: introduce an always_cow mode
xfs: report IOMAP_F_SHARED from xfs_file_iomap_begin_delay
xfs: make COW fork unwritten extent conversions more robust
xfs: merge COW handling into xfs_file_iomap_begin_delay
xfs: also truncate holes covered by COW blocks
xfs: don't use delalloc extents for COW on files with extsize hints
xfs: fix SEEK_DATA for speculative COW fork preallocation
xfs: make xfs_bmbt_to_iomap more useful
xfs: fix xfs_buf magic number endian checks
xfs: retry COW fork delalloc conversion when no extent was found
xfs: remove the truncate short cut in xfs_map_blocks
xfs: move xfs_iomap_write_allocate to xfs_aops.c
xfs: move stat accounting to xfs_bmapi_convert_delalloc
xfs: move transaction handling to xfs_bmapi_convert_delalloc
..
Hardware has the CBS (Credit Based Shaper) which affects only Q3
and Q2. When updating the CBS settings, even if the driver does so
after waiting for Tx DMA finished, there is a possibility that frame
data still remains in TxFIFO.
To avoid this, decrease TxFIFO depth of Q3 and Q2 to one.
This patch has been exercised this using netperf TCP_MAERTS, TCP_STREAM
and UDP_STREAM tests run on an Ebisu board. No performance change was
detected, outside of noise in the tests, both in terms of throughput and
CPU utilisation.
Fixes: c156633f13 ("Renesas Ethernet AVB driver proper")
Signed-off-by: Masaru Nagai <masaru.nagai.vx@renesas.com>
Signed-off-by: Kazuya Mizuguchi <kazuya.mizuguchi.ks@renesas.com>
[simon: updated changelog]
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
clang has spotted an ancient code bug and warns about it with:
drivers/isdn/isdnloop/isdnloop.c:573:12: error: address of array 'card->rcard' will always evaluate to 'true' [-Werror,-Wpointer-bool-conversion]
This is an array of pointers, so we should check if a specific
pointer exists in the array before using it, not whether the
array itself exists.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Nathan Chancellor <natechancellor@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
clang warns about what seems to be an unintended use of an obscure C
language feature where a forward declaration of an array remains usable
when the final definition is never seen:
drivers/net/ethernet/ti/davinci_emac.c:1694:34: error: tentative array definition assumed to have one element [-Werror]
static const struct of_device_id davinci_emac_of_match[];
There is no harm in always enabling the device tree matching code here,
and it makes the code behave in a more conventional way aside from
avoiding the warning.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Nathan Chancellor <natechancellor@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Merge tag 'for-5.1-part1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs updates from David Sterba:
"This contains usual mix of new features, core changes and fixes; full
list below. I'm planning second pull request, with a few more fixes
that arrived recently but too close to merge window, will send it next
week.
New features:
- support zstd compression levels
- new ioctl to unregister a device from the module (ie. reverse of
device scan)
- scrub prints a message to log when it's about to start or finish
Core changes:
- qgroups can now skip part of a tree that does not get updated
during relocation, because this does not affect the quota
accounting, estimated speedup in run time is about 20%
- the compression workspace management had to be enhanced due to zstd
requirements
- various enospc fixes, when there's high fragmentation the
over-reservation can cause ENOSPC that might not happen after a
flush, in such cases try to wait if the situation improves
Fixes:
- various ioctls could overwrite previous return value if
copy_to_user fails, fix this so the original error is reported
- more reclaim vs GFP_KERNEL fixes
- other cleanups and refactoring
- fix a (valid) lockdep warning in a test when device replace is
destroying worker threads
- make qgroup async transaction commit more aggressive, this avoids
some 'quota limit reached' errors if there are not enough data to
trigger transaction in order to flush
- fix deadlock between snapshot deletion and quotas when backref
walking is called from context that already holds the same locks
- fsync fixes:
- fix fsync after succession of renames of different files
- fix fsync after succession of renames and unlink/rmdir"
* tag 'for-5.1-part1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux: (92 commits)
btrfs: Remove unnecessary casts in btrfs_read_root_item
Btrfs: remove assertion when searching for a key in a node/leaf
Btrfs: add missing error handling after doing leaf/node binary search
btrfs: drop the lock on error in btrfs_dev_replace_cancel
btrfs: ensure that a DUP or RAID1 block group has exactly two stripes
btrfs: init csum_list before possible free
Btrfs: remove no longer needed range length checks for deduplication
Btrfs: fix fsync after succession of renames and unlink/rmdir
Btrfs: fix fsync after succession of renames of different files
btrfs: honor path->skip_locking in backref code
btrfs: qgroup: Make qgroup async transaction commit more aggressive
btrfs: qgroup: Move reserved data accounting from btrfs_delayed_ref_head to btrfs_qgroup_extent_record
btrfs: scrub: remove unused nocow worker pointer
btrfs: scrub: add assertions for worker pointers
btrfs: scrub: convert scrub_workers_refcnt to refcount_t
btrfs: scrub: add scrub_lock lockdep check in scrub_workers_get
btrfs: scrub: fix circular locking dependency warning
btrfs: fix comment its device list mutex not volume lock
btrfs: extent_io: Kill the forward declaration of flush_write_bio
btrfs: Fix grossly misleading argument names in extent io search
...
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Merge tag 'fsnotify_for_v5.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
Pull fanotify updates from Jan Kara:
"Support for fanotify directory events and changes to make waiting for
fanotify permission event response killable"
* tag 'fsnotify_for_v5.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs: (25 commits)
fanotify: Make waits for fanotify events only killable
fanotify: Use interruptible wait when waiting for permission events
fanotify: Track permission event state
fanotify: Simplify cleaning of access_list
fsnotify: Create function to remove event from notification list
fanotify: Move locking inside get_one_event()
fanotify: Fold dequeue_event() into process_access_response()
fanotify: Select EXPORTFS
fanotify: report FAN_ONDIR to listener with FAN_REPORT_FID
fanotify: add support for create/attrib/move/delete events
fanotify: support events with data type FSNOTIFY_EVENT_INODE
fanotify: check FS_ISDIR flag instead of d_is_dir()
fsnotify: report FS_ISDIR flag with MOVE_SELF and DELETE_SELF events
fanotify: use vfs_get_fsid() helper instead of vfs_statfs()
vfs: add vfs_get_fsid() helper
fanotify: cache fsid in fsnotify_mark_connector
fanotify: enable FAN_REPORT_FID init flag
fanotify: copy event fid info to user
fanotify: encode file identifier for FAN_REPORT_FID
fanotify: open code fill_event_metadata()
...
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Merge tag 'fs_for_v5.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
Pull ext2 and udf fixes from Jan Kara:
"A couple of fixes for udf and ext2. Namely:
- fix making ext2 mountable (again) with 64k blocksize
- fix for ext2 statx(2) handling
- fix for udf handling of corrupted filesystem so that it doesn't get
corrupted even further
- couple smaller ext2 and udf cleanups"
* tag 'fs_for_v5.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
udf: Drop pointless check from udf_sync_fs()
ext2: support statx syscall
udf: disallow RW mount without valid integrity descriptor
udf: finalize integrity descriptor before writeback
udf: factor out LVID finalization for reuse
ext2: Fix underflow in ext2_max_size()
ext2: Fix a typo in comment
ext2: Remove redundant check for finding no group
ext2: Annotate implicit fall through in __ext2_truncate_blocks
ext2: Set superblock revision when enabling xattr feature
ext2: Remove redundant check on s_inode_size
ext2: set proper return code
Non-zero imm value in the second part of the ldimm64 instruction for
BPF_PSEUDO_MAP_FD is invalid, and thus must be rejected. The map fd
only ever sits in the first instructions' imm field. None of the BPF
loaders known to us are using it, so risk of regression is minimal.
For clarity and consistency, the few insn->{src_reg,imm} occurrences
are rewritten into insn[0].{src_reg,imm}. Add a test case to the BPF
selftest suite as well.
Fixes: 0246e64d9a ("bpf: handle pseudo BPF_LD_IMM64 insn")
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Song Liu <songliubraving@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Avoid conflicts from other subsystems by including the header with the
rest of the driver files.
Cc: Andy Shevchenko <andy@infradead.org>
Cc: Vadim Pasternak <vadimp@mellanox.com>
Acked-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
Lenovo Ideapad S130-14IGM does not have a hardware radio switch.
Add it to no_hw_rfkill to enable wireless connections.
Signed-off-by: Felix Eckhofer <felix@eckhofer.com>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
Fix access mode for "fan_dir" attribute from "write only" to
"read only". This attribute is exposed to leds-mlxreg driver.
The purpose of this attribute is to provide information about FAN
direction setting on the system (forward or backward).
It is relevant for the next generation systems MQMB7xx, MSN37xx,
MSN34xx, MSN38xx.
Signed-off-by: Vadim Pasternak <vadimp@mellanox.com>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
Add support for UID LED for the next generation systems MQMB7xx,
MSN37xx, MSN34xx, MSN38xx.
All these systems support UID LED control through the programmable
device.
The UID LED is to be exposed to leds-mlxreg driver.
Signed-off-by: Vadim Pasternak <vadimp@mellanox.com>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
Add support for CPLD4 for the next generation systems MQMB7xx, MSN37xx,
MSN34xx, MSN38xx.
All these systems are equipped with four programmable device.
The version of this new device is to be exposed to sysfs through
mlxreg-io register.
Signed-off-by: Vadim Pasternak <vadimp@mellanox.com>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
WMI drivers can if they have specified an array of struct wmi_device_id
use the MODULE_DEVICE_TABLE() macro to automatically generate the
appropriate MODULE_ALIAS() output. Thus avoiding to keep both the array
of struct wmi_device_id and the MODULE_ALIAS() declaration(s) in sync.
Change driver to use MODULE_DEVICE_TABLE() instead of MODULE_ALIAS().
Signed-off-by: Mattias Jacobsson <2pi@mok.nu>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
WMI drivers can if they have specified an array of struct wmi_device_id
use the MODULE_DEVICE_TABLE() macro to automatically generate the
appropriate MODULE_ALIAS() output. Thus avoiding to keep both the array
of struct wmi_device_id and the MODULE_ALIAS() declaration(s) in sync.
Change driver to use MODULE_DEVICE_TABLE() instead of MODULE_ALIAS().
Signed-off-by: Mattias Jacobsson <2pi@mok.nu>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
WMI drivers can if they have specified an array of struct wmi_device_id
use the MODULE_DEVICE_TABLE() macro to automatically generate the
appropriate MODULE_ALIAS() output. Thus avoiding to keep both the array
of struct wmi_device_id and the MODULE_ALIAS() declaration(s) in sync.
Change driver to use MODULE_DEVICE_TABLE() instead of MODULE_ALIAS().
Signed-off-by: Mattias Jacobsson <2pi@mok.nu>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
WMI drivers can if they have specified an array of struct wmi_device_id
use the MODULE_DEVICE_TABLE() macro to automatically generate the
appropriate MODULE_ALIAS() output. Thus avoiding to keep both the array
of struct wmi_device_id and the MODULE_ALIAS() declaration(s) in sync.
Change driver to use MODULE_DEVICE_TABLE() instead of MODULE_ALIAS().
Signed-off-by: Mattias Jacobsson <2pi@mok.nu>
Reviewed-by: Mario Limonciello <mario.limonciello@dell.com>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
WMI drivers can if they have specified an array of struct wmi_device_id
use the MODULE_DEVICE_TABLE() macro to automatically generate the
appropriate MODULE_ALIAS() output. Thus avoiding to keep both the array
of struct wmi_device_id and the MODULE_ALIAS() declaration(s) in sync.
Change driver to use MODULE_DEVICE_TABLE() instead of MODULE_ALIAS().
Signed-off-by: Mattias Jacobsson <2pi@mok.nu>
Reviewed-by: Mario Limonciello <mario.limonciello@dell.com>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
WMI drivers can if they have specified an array of struct wmi_device_id
use the MODULE_DEVICE_TABLE() macro to automatically generate the
appropriate MODULE_ALIAS() output. Thus avoiding to keep both the array
of struct wmi_device_id and the MODULE_ALIAS() declaration(s) in sync.
Change driver to use MODULE_DEVICE_TABLE() instead of MODULE_ALIAS().
Signed-off-by: Mattias Jacobsson <2pi@mok.nu>
Reviewed-by: Mario Limonciello <mario.limonciello@dell.com>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
The kernel provides the macro MODULE_DEVICE_TABLE() where driver authors
can specify their device type and their array of device_ids and thereby
trigger the generation of the appropriate MODULE_ALIAS() output. This is
opposed to having to specify one MODULE_ALIAS() for each device. The WMI
device type is currently not supported.
While using MODULE_DEVICE_TABLE() does increase the complexity as well
as spreading out the implementation across the kernel, it does come with
some benefits too;
* It makes different drivers look more similar; if you can specify the
array of device_ids any device type specific input to MODULE_ALIAS()
will automatically be generated for you.
* It helps each driver avoid keeping multiple versions of the same
information in sync. That is, both the array of device_ids and the
potential multitude of MODULE_ALIAS()'s.
Add WMI support to MODULE_DEVICE_TABLE() by adding info about struct
wmi_device_id in devicetable-offsets.c and add a WMI entry point in
file2alias.c.
The type argument for MODULE_DEVICE_TABLE(type, name) is wmi.
Suggested-by: Pali Rohár <pali.rohar@gmail.com>
Signed-off-by: Mattias Jacobsson <2pi@mok.nu>
Acked-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
In preparation for adding WMI support to MODULE_DEVICE_TABLE() move the
definition of struct wmi_device_id to mod_devicetable.h and inline
guid_string in the struct.
Changing guid_string to an inline char array changes the loop conditions
when looping over an array of struct wmi_device_id. Therefore update
wmi_dev_match()'s loop to check for an empty guid_string instead of a
NULL pointer.
Signed-off-by: Mattias Jacobsson <2pi@mok.nu>
[dvhart: Move UUID_STRING_LEN define to this patch]
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
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Merge tag 'dtype_for_v5.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
Pull dtype handling cleanups from Jan Kara:
"A reworked dtype cleanup patches based on your feedback to the
previous version of these.
Again the series includes only the generic code and ext2 cleanup as a
sample. The plan is to push cleanups for other filesystems separately
through respective trees once the generic code lands to reduce the
number of conflicts"
* tag 'dtype_for_v5.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
ext2: use common file type conversion
fs: common implementation of file type
When calculating the maximun I/O size allowed into the buffer, consider
the write size (ws_opt) used by the write thread in order to cover the
case in which, due to flushes, the mem and subm pointers are disaligned
by (ws_opt - 1). This case currently translates into a stall when
an I/O of the largest possible size is submitted.
Fixes: f9f9d1ae2c66 ("lightnvm: pblk: prevent stall due to wb threshold")
Signed-off-by: Javier González <javier@javigon.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
The file:
Documentation/acpi/aml-debugger.txt
reports an obsolete path for the acpidbg tool, so fix it.
Signed-off-by: Flavio Suligoi <f.suligoi@asem.it>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Avoid the open-coding of the accounted time acquisition in
runtime_active|suspend_time_show() and make them call
pm_runtime_active|suspended_time() instead.
Note that this change also indirectly avoids holding dev->power.lock
around the do_div() computation and the sprintf() call which is an
additional improvement.
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
[ rjw: Changelog ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
In a step to consolidate the code for fetching the PM-runtime
active/suspended time for a device, add a common function for that
and make the existing pm_runtime_suspended_time() call it.
Also add a corresponding pm_runtime_active_time() calling the new
common function.
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
[ rjw: Changelog, function rename ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Prefix all printk/pr_<level> messages with "PM: " to make the
logging a bit more consistent.
Miscellanea:
o Convert a few printks to pr_<level>
o Whitespace to align to open parentheses
o Remove embedded "PM: " from pr_debugs as pr_fmt adds it
Signed-off-by: Joe Perches <joe@perches.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Fix the formatting of the cpufreq_cpu_get() and cpufreq_cpu_put()
kerneldoc comments and rework them to be somewhat easier to follow.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
The variance computation in get_typical_interval() may overflow if
the square of the value of diff exceeds the maximum for the int64_t
data type value which basically is the case when it is of the order
of UINT_MAX.
However, data points so far in the future don't matter for idle
state selection anyway, so change the initial threshold value in
get_typical_interval() to INT_MAX which will cause more "outlying"
data points to be discarded without affecting the selection result.
Reported-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
CHECK macro implicitly uses duration. We call CHECK() a couple of times
before duration is initialized from bpf_prog_test_run().
Explicitly set duration to 0 to avoid compiler warnings.
Fixes: 740f8a6572 ("selftests/bpf: make sure signal interrupts BPF_PROG_TEST_RUN")
Signed-off-by: Stanislav Fomichev <sdf@google.com>
Acked-by: Yonghong Song <yhs@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
libbpf targets don't explicitly depend on fixdep target, so when
we do 'make -j$(nproc)', there is a high probability, that some
objects will be built before fixdep binary is available.
Fix this by running sub-make; this makes sure that fixdep dependency
is properly accounted for.
For the same issue in perf, see commit abb26210a3 ("perf tools: Force
fixdep compilation at the start of the build").
Before:
$ rm -rf /tmp/bld; mkdir /tmp/bld; make -j$(nproc) O=/tmp/bld -C tools/lib/bpf/
Auto-detecting system features:
... libelf: [ on ]
... bpf: [ on ]
HOSTCC /tmp/bld/fixdep.o
CC /tmp/bld/libbpf.o
CC /tmp/bld/bpf.o
CC /tmp/bld/btf.o
CC /tmp/bld/nlattr.o
CC /tmp/bld/libbpf_errno.o
CC /tmp/bld/str_error.o
CC /tmp/bld/netlink.o
CC /tmp/bld/bpf_prog_linfo.o
CC /tmp/bld/libbpf_probes.o
CC /tmp/bld/xsk.o
HOSTLD /tmp/bld/fixdep-in.o
LINK /tmp/bld/fixdep
LD /tmp/bld/libbpf-in.o
LINK /tmp/bld/libbpf.a
LINK /tmp/bld/libbpf.so
LINK /tmp/bld/test_libbpf
$ head /tmp/bld/.libbpf.o.cmd
# cannot find fixdep (/usr/local/google/home/sdf/src/linux/xxx//fixdep)
# using basic dep data
/tmp/bld/libbpf.o: libbpf.c /usr/include/stdc-predef.h \
/usr/include/stdlib.h /usr/include/features.h \
/usr/include/x86_64-linux-gnu/sys/cdefs.h \
/usr/include/x86_64-linux-gnu/bits/wordsize.h \
/usr/include/x86_64-linux-gnu/gnu/stubs.h \
/usr/include/x86_64-linux-gnu/gnu/stubs-64.h \
/usr/lib/gcc/x86_64-linux-gnu/7/include/stddef.h \
After:
$ rm -rf /tmp/bld; mkdir /tmp/bld; make -j$(nproc) O=/tmp/bld -C tools/lib/bpf/
Auto-detecting system features:
... libelf: [ on ]
... bpf: [ on ]
HOSTCC /tmp/bld/fixdep.o
HOSTLD /tmp/bld/fixdep-in.o
LINK /tmp/bld/fixdep
CC /tmp/bld/libbpf.o
CC /tmp/bld/bpf.o
CC /tmp/bld/nlattr.o
CC /tmp/bld/btf.o
CC /tmp/bld/libbpf_errno.o
CC /tmp/bld/str_error.o
CC /tmp/bld/netlink.o
CC /tmp/bld/bpf_prog_linfo.o
CC /tmp/bld/libbpf_probes.o
CC /tmp/bld/xsk.o
LD /tmp/bld/libbpf-in.o
LINK /tmp/bld/libbpf.a
LINK /tmp/bld/libbpf.so
LINK /tmp/bld/test_libbpf
$ head /tmp/bld/.libbpf.o.cmd
cmd_/tmp/bld/libbpf.o := gcc -Wp,-MD,/tmp/bld/.libbpf.o.d -Wp,-MT,/tmp/bld/libbpf.o -g -Wall -DHAVE_LIBELF_MMAP_SUPPORT -DCOMPAT_NEED_REALLOCARRAY -Wbad-function-cast -Wdeclaration-after-statement -Wformat-security -Wformat-y2k -Winit-self -Wmissing-declarations -Wmissing-prototypes -Wnested-externs -Wno-system-headers -Wold-style-definition -Wpacked -Wredundant-decls -Wshadow -Wstrict-prototypes -Wswitch-default -Wswitch-enum -Wundef -Wwrite-strings -Wformat -Wstrict-aliasing=3 -Werror -Wall -fPIC -I. -I/usr/local/google/home/sdf/src/linux/tools/include -I/usr/local/google/home/sdf/src/linux/tools/arch/x86/include/uapi -I/usr/local/google/home/sdf/src/linux/tools/include/uapi -fvisibility=hidden -D"BUILD_STR(s)=$(pound)s" -c -o /tmp/bld/libbpf.o libbpf.c
source_/tmp/bld/libbpf.o := libbpf.c
deps_/tmp/bld/libbpf.o := \
/usr/include/stdc-predef.h \
/usr/include/stdlib.h \
/usr/include/features.h \
/usr/include/x86_64-linux-gnu/sys/cdefs.h \
/usr/include/x86_64-linux-gnu/bits/wordsize.h \
Fixes: 7c422f5572 ("tools build: Build fixdep helper from perf and basic libs")
Reported-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Stanislav Fomichev <sdf@google.com>
Acked-by: Yonghong Song <yhs@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
A bunch of related changes lumped together:
* Create prog_tests and verifier output directories; these don't exist with
out-of-tree $(OUTPUT)
* Add missing -I (via separate TEST_{PROGS,VERIFIER}_CFLAGS) for the main tree
($(PWD) != $(OUTPUT) for out-of-tree)
* Add libbpf.a dependency for test_progs_32 (parallel make fails otherwise)
* Add missing "; \" after "cd" when generating test.h headers
Tested by:
$ alias m="make -s -j$(nproc)"
$ m -C tools/testing/selftests/bpf/ clean
$ m -C tools/lib/bpf/ clean
$ rm -rf xxx; mkdir xxx; m -C tools/testing/selftests/bpf/ OUTPUT=$PWD/xxx
$ m -C tools/testing/selftests/bpf/
Fixes: 3f30658830 ("selftests: bpf: break up test_progs - preparations")
Fixes: 2dfb40121e ("selftests: bpf: prepare for break up of verifier tests")
Fixes: 3ef84346c5 ("selftests: bpf: makefile support sub-register code-gen test mode")
Signed-off-by: Stanislav Fomichev <sdf@google.com>
Acked-by: Yonghong Song <yhs@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Add a test on egress that a large TCP packet successfully goes through
the lwt+bpf encap tunnel.
Although there is no direct evidence that GSO worked, as opposed to
e.g. TCP segmentation or IP fragmentation (maybe a kernel stats counter
should be added to track the number of failed GSO attempts?), without
the previous patch in the patchset this test fails, and printk-debugging
showed that software-based GSO succeeded here (veth is not compatible with
SKB_GSO_DODGY, so GSO happens in the software stack).
Also removed an unnecessary nodad and added a missed failed flag.
Signed-off-by: Peter Oskolkov <posk@google.com>
Acked-by: Song Liu <songliubraving@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
