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* Use common helpers, bitmap_zalloc() and kstrndup(), to replace open
coded versions.
* Clarify the comments around hotplug vs initial init case for the nfit
driver.
* Cleanup the libnvdimm init path.
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Closing ")" was lost in debug message.
Signed-off-by: Vasily Averin <[email protected]>
Signed-off-by: J. Bruce Fields <[email protected]>
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_svc_create_xprt() returns positive port number
so its non-zero return value is not an error
Reviewed-by: Jeff Layton <[email protected]>
Signed-off-by: Vasily Averin <[email protected]>
Signed-off-by: J. Bruce Fields <[email protected]>
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Force bc_svc_process() to generate debug message after processing errors
Signed-off-by: Vasily Averin <[email protected]>
Signed-off-by: J. Bruce Fields <[email protected]>
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xpo_prep_reply_hdr are not used now.
It was defined for tcp transport only, however it cannot be
called indirectly, so let's move it to its caller and
remove unused callback.
Signed-off-by: Vasily Averin <[email protected]>
Signed-off-by: J. Bruce Fields <[email protected]>
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Remove svc_xprt_class svc_rdma_bc_class and related functions.
Signed-off-by: Vasily Averin <[email protected]>
Signed-off-by: J. Bruce Fields <[email protected]>
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Remove svc_xprt_class svc_tcp_bc_class and related functions
Signed-off-by: Vasily Averin <[email protected]>
Signed-off-by: J. Bruce Fields <[email protected]>
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Signed-off-by: Vasily Averin <[email protected]>
Signed-off-by: J. Bruce Fields <[email protected]>
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svc_serv-> sv_bc_xprt is netns-unsafe and cannot be used as pointer.
To prevent its misuse in future it is replaced by new boolean flag.
Signed-off-by: Vasily Averin <[email protected]>
Signed-off-by: J. Bruce Fields <[email protected]>
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if node have NFSv41+ mounts inside several net namespaces
it can lead to use-after-free in svc_process_common()
svc_process_common()
/* Setup reply header */
rqstp->rq_xprt->xpt_ops->xpo_prep_reply_hdr(rqstp); <<< HERE
svc_process_common() can use incorrect rqstp->rq_xprt,
its caller function bc_svc_process() takes it from serv->sv_bc_xprt.
The problem is that serv is global structure but sv_bc_xprt
is assigned per-netnamespace.
According to Trond, the whole "let's set up rqstp->rq_xprt
for the back channel" is nothing but a giant hack in order
to work around the fact that svc_process_common() uses it
to find the xpt_ops, and perform a couple of (meaningless
for the back channel) tests of xpt_flags.
All we really need in svc_process_common() is to be able to run
rqstp->rq_xprt->xpt_ops->xpo_prep_reply_hdr()
Bruce J Fields points that this xpo_prep_reply_hdr() call
is an awfully roundabout way just to do "svc_putnl(resv, 0);"
in the tcp case.
This patch does not initialiuze rqstp->rq_xprt in bc_svc_process(),
now it calls svc_process_common() with rqstp->rq_xprt = NULL.
To adjust reply header svc_process_common() just check
rqstp->rq_prot and calls svc_tcp_prep_reply_hdr() for tcp case.
To handle rqstp->rq_xprt = NULL case in functions called from
svc_process_common() patch intruduces net namespace pointer
svc_rqst->rq_bc_net and adjust SVC_NET() definition.
Some other function was also adopted to properly handle described case.
Signed-off-by: Vasily Averin <[email protected]>
Cc: [email protected]
Fixes: 23c20ecd4475 ("NFS: callback up - users counting cleanup")
Signed-off-by: J. Bruce Fields <[email protected]>
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Signed-off-by: Vasily Averin <[email protected]>
Cc: [email protected]
Signed-off-by: J. Bruce Fields <[email protected]>
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Drop LIST_HEAD where the variable it declares is never used.
This was introduced in c5c707f96fc9a ("nfsd: implement pNFS
layout recalls"), but was not used even in that commit.
The semantic patch that fixes this problem is as follows:
(http://coccinelle.lip6.fr/)
// <smpl>
@@
identifier x;
@@
- LIST_HEAD(x);
... when != x
// </smpl>
Fixes: c5c707f96fc9a ("nfsd: implement pNFS layout recalls")
Signed-off-by: Julia Lawall <[email protected]>
Signed-off-by: J. Bruce Fields <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/jlayton/linux
Pull file locking updates from Jeff Layton:
"The main change in this set is Neil Brown's work to reduce the
thundering herd problem when a heavily-contended file lock is
released.
Previously we'd always wake up all waiters when this occurred. With
this set, we'll now we only wake up waiters that were blocked on the
range being released"
* tag 'locks-v4.21-1' of git://git.kernel.org/pub/scm/linux/kernel/git/jlayton/linux:
locks: Use inode_is_open_for_write
fs/locks: remove unnecessary white space.
fs/locks: merge posix_unblock_lock() and locks_delete_block()
fs/locks: create a tree of dependent requests.
fs/locks: change all *_conflict() functions to return bool.
fs/locks: always delete_block after waiting.
fs/locks: allow a lock request to block other requests.
fs/locks: use properly initialized file_lock when unlocking.
ocfs2: properly initial file_lock used for unlock.
gfs2: properly initial file_lock used for unlock.
NFS: use locks_copy_lock() to copy locks.
fs/locks: split out __locks_wake_up_blocks().
fs/locks: rename some lists and pointers.
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git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
Pull ext4 updates from Ted Ts'o:
"All cleanups and bug fixes; most notably, fix some problems discovered
in ext4's NFS support, and fix an ioctl (EXT4_IOC_GROUP_ADD) used by
old versions of e2fsprogs which we accidentally broke a while back.
Also fixed some error paths in ext4's quota and inline data support.
Finally, improve tail latency in jbd2's commit code"
* tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4:
ext4: check for shutdown and r/o file system in ext4_write_inode()
ext4: force inode writes when nfsd calls commit_metadata()
ext4: avoid declaring fs inconsistent due to invalid file handles
ext4: include terminating u32 in size of xattr entries when expanding inodes
ext4: compare old and new mode before setting update_mode flag
ext4: fix EXT4_IOC_GROUP_ADD ioctl
ext4: hard fail dax mount on unsupported devices
jbd2: update locking documentation for transaction_t
ext4: remove redundant condition check
jbd2: clean up indentation issue, replace spaces with tab
ext4: clean up indentation issues, remove extraneous tabs
ext4: missing unlock/put_page() in ext4_try_to_write_inline_data()
ext4: fix possible use after free in ext4_quota_enable
jbd2: avoid long hold times of j_state_lock while committing a transaction
ext4: add ext4_sb_bread() to disambiguate ENOMEM cases
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Pull iomap update from Darrick Wong:
"Fix a memory overflow bug for blocksize < pagesize"
* tag 'iomap-4.21-merge-2' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
iomap: don't search past page end in iomap_is_partially_uptodate
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Pull XFS updates from Darrick Wong:
- Fix CoW remapping of extremely fragmented file areas
- Fix a zero-length symlink verifier error
- Constify some of the rmap owner structures for per-AG metadata
- Precalculate inode geometry for later use
- Fix scrub counting problems
- Don't crash when rtsummary inode is null
- Fix x32 ioctl operation
- Fix enum->string mappings for ftrace output
- Cache realtime summary information in memory
* tag 'xfs-4.21-merge-2' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux: (24 commits)
xfs: reallocate realtime summary cache on growfs
xfs: stringify scrub types in ftrace output
xfs: stringify btree cursor types in ftrace output
xfs: move XFS_INODE_FORMAT_STR mappings to libxfs
xfs: move XFS_AG_BTREE_CMP_FORMAT_STR mappings to libxfs
xfs: fix symbolic enum printing in ftrace output
xfs: fix function pointer type in ftrace format
xfs: Fix x32 ioctls when cmd numbers differ from ia32.
xfs: Fix bulkstat compat ioctls on x32 userspace.
xfs: Align compat attrlist_by_handle with native implementation.
xfs: require both realtime inodes to mount
xfs: cache minimum realtime summary level
xfs: count inode blocks correctly in inobt scrub
xfs: precalculate cluster alignment in inodes and blocks
xfs: precalculate inodes and blocks per inode cluster
xfs: add a block to inode count converter
xfs: remove xfs_rmap_ag_owner and friends
xfs: const-ify xfs_owner_info arguments
xfs: streamline defer op type handling
xfs: idiotproof defer op type configuration
...
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git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
Pull ext2, udf, and quota update from Jan Kara:
"Some ext2 cleanups, a fix for UDF crash on corrupted media, and one
quota locking fix"
* tag 'fs_for_4.21-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
quota: Lock s_umount in exclusive mode for Q_XQUOTA{ON,OFF} quotactls.
udf: Fix BUG on corrupted inode
ext2: change reusable parameter to true when calling mb_cache_entry_create()
ext2: remove redundant condition check
ext2: avoid unnecessary operation in ext2_error()
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git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
Pull fsnotify updates from Jan Kara:
"Support for new FAN_OPEN_EXEC event and couple of cleanups around
fsnotify"
* tag 'fsnotify_for_v4.21-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
fanotify: Use inode_is_open_for_write
fanotify: Make sure to check event_len when copying
fsnotify/fdinfo: include fdinfo.h for inotify_show_fdinfo()
fanotify: introduce new event mask FAN_OPEN_EXEC_PERM
fsnotify: refactor fsnotify_parent()/fsnotify() paired calls when event is on path
fanotify: introduce new event mask FAN_OPEN_EXEC
fanotify: return only user requested event types in event mask
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git://git.kernel.org/pub/scm/linux/kernel/git/teigland/linux-dlm
Pull dlm updates from David Teigland:
"This set is entirely trivial fixes, mainly around correct cleanup on
error paths and improved error checks. One patch adds scheduling in a
potentially long recovery loop"
* tag 'dlm-4.21' of git://git.kernel.org/pub/scm/linux/kernel/git/teigland/linux-dlm:
dlm: fix invalid cluster name warning
dlm: NULL check before some freeing functions is not needed
dlm: NULL check before kmem_cache_destroy is not needed
dlm: fix missing idr_destroy for recover_idr
dlm: memory leaks on error path in dlm_user_request()
dlm: lost put_lkb on error path in receive_convert() and receive_unlock()
dlm: possible memory leak on error path in create_lkb()
dlm: fixed memory leaks after failed ls_remove_names allocation
dlm: fix possible call to kfree() for non-initialized pointer
dlm: Don't swamp the CPU with callbacks queued during recovery
dlm: don't leak kernel pointer to userspace
dlm: don't allow zero length names
dlm: fix invalid free
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git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs updates from David Sterba:
"New features:
- swapfile support - after a long time it's here, with some
limitations where COW design does not work well with the swap
implementation (nodatacow file, no compression, cannot be
snapshotted, not possible on multiple devices, ...), as this is the
most restricted but working setup, we'll try to improve that in the
future
- metadata uuid - an optional incompat feature to assign a new
filesystem UUID without overwriting all metadata blocks, stored
only in superblock
- more balance messages are printed to system log, initial is in the
format of the command line that would be used to start it
Fixes:
- tag pages of a snapshot to better separate pages that are involved
in the snapshot (and need to get synced) from newly dirtied pages
that could slow down or even livelock the snapshot operation
- improved check of filesystem id associated with a device during
scan to detect duplicate devices that could be mixed up during
mount
- fix device replace state transitions, eg. when it ends up
interrupted and reboot tries to restart balance too, or when
start/cancel ioctls race
- fix a crash due to a race when quotas are enabled during snapshot
creation
- GFP_NOFS/memalloc_nofs_* fixes due to GFP_KERNEL allocations in
transaction context
- fix fsync of files with multiple hard links in new directories
- fix race of send with transaction commits that create snapshots
Core changes:
- cleanups:
* further removals of now-dead fsync code
* core function for finding free extent has been split and
provides a base for further cleanups to make the logic more
understandable
* removed lot of indirect callbacks for data and metadata inodes
* simplified refcounting and locking for cloned extent buffers
* removed redundant function arguments
* defines converted to enums where appropriate
- separate reserve for delayed refs from global reserve, update logic
to do less trickery and ad-hoc heuristics, move out some related
expensive operations from transaction commit or file truncate
- dev-replace switched from custom locking scheme to semaphore
- remove first phase of balance that tried to make some space for the
relocation by calling shrink and grow, this did not work as
expected and only introduced more error states due to potential
resize failures, slightly improves the runtime as the chunks on all
devices are not needlessly enumerated
- clone and deduplication now use generic helper that adds a few more
checks that were missing from the original btrfs implementation of
the ioctls"
* tag 'for-4.21-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux: (125 commits)
btrfs: Fix typos in comments and strings
btrfs: improve error handling of btrfs_add_link
Btrfs: use generic_remap_file_range_prep() for cloning and deduplication
btrfs: Refactor main loop in extent_readpages
btrfs: Remove 1st shrink/grow phase from balance
Btrfs: send, fix race with transaction commits that create snapshots
Btrfs: use nofs context when initializing security xattrs to avoid deadlock
btrfs: run delayed items before dropping the snapshot
btrfs: catch cow on deleting snapshots
btrfs: extent-tree: cleanup one-shot usage of @blocksize in do_walk_down
Btrfs: scrub, move setup of nofs contexts higher in the stack
btrfs: scrub: move scrub_setup_ctx allocation out of device_list_mutex
btrfs: scrub: pass fs_info to scrub_setup_ctx
btrfs: fix truncate throttling
btrfs: don't run delayed refs in the end transaction logic
btrfs: rework btrfs_check_space_for_delayed_refs
btrfs: add new flushing states for the delayed refs rsv
btrfs: update may_commit_transaction to use the delayed refs rsv
btrfs: introduce delayed_refs_rsv
btrfs: only track ref_heads in delayed_ref_updates
...
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git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2
Pull gfs2 updates from Bob Peterson:
- Enhancements and performance improvements to journal replay (Abhi
Das)
- Cleanup of gfs2_is_ordered and gfs2_is_writeback (Andreas
Gruenbacher)
- Fix a potential double-free in inode creation (Andreas Gruenbacher)
- Fix the bitmap search loop that was searching too far (Andreas
Gruenbacher)
- Various cleanups (Andreas Gruenbacher, Bob Peterson)
- Implement Steve Whitehouse's patch to dump nrpages for inodes (Bob
Peterson)
- Fix a withdraw bug where stuffed journaled data files didn't allocate
enough journal space to be grown (Bob Peterson)
* tag 'gfs2-4.21.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2:
gfs2: take jdata unstuff into account in do_grow
gfs2: Dump nrpages for inodes and their glocks
gfs2: Fix loop in gfs2_rbm_find
gfs2: Get rid of potential double-freeing in gfs2_create_inode
gfs2: Remove vestigial bd_ops
gfs2: read journal in large chunks to locate the head
gfs2: add a helper function to get_log_header that can be used elsewhere
gfs2: changes to gfs2_log_XXX_bio
gfs2: add more timing info to journal recovery process
gfs2: Fix the gfs2_invalidatepage description
gfs2: Clean up gfs2_is_{ordered,writeback}
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git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto updates from Herbert Xu:
"API:
- Add 1472-byte test to tcrypt for IPsec
- Reintroduced crypto stats interface with numerous changes
- Support incremental algorithm dumps
Algorithms:
- Add xchacha12/20
- Add nhpoly1305
- Add adiantum
- Add streebog hash
- Mark cts(cbc(aes)) as FIPS allowed
Drivers:
- Improve performance of arm64/chacha20
- Improve performance of x86/chacha20
- Add NEON-accelerated nhpoly1305
- Add SSE2 accelerated nhpoly1305
- Add AVX2 accelerated nhpoly1305
- Add support for 192/256-bit keys in gcmaes AVX
- Add SG support in gcmaes AVX
- ESN for inline IPsec tx in chcr
- Add support for CryptoCell 703 in ccree
- Add support for CryptoCell 713 in ccree
- Add SM4 support in ccree
- Add SM3 support in ccree
- Add support for chacha20 in caam/qi2
- Add support for chacha20 + poly1305 in caam/jr
- Add support for chacha20 + poly1305 in caam/qi2
- Add AEAD cipher support in cavium/nitrox"
* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (130 commits)
crypto: skcipher - remove remnants of internal IV generators
crypto: cavium/nitrox - Fix build with !CONFIG_DEBUG_FS
crypto: salsa20-generic - don't unnecessarily use atomic walk
crypto: skcipher - add might_sleep() to skcipher_walk_virt()
crypto: x86/chacha - avoid sleeping under kernel_fpu_begin()
crypto: cavium/nitrox - Added AEAD cipher support
crypto: mxc-scc - fix build warnings on ARM64
crypto: api - document missing stats member
crypto: user - remove unused dump functions
crypto: chelsio - Fix wrong error counter increments
crypto: chelsio - Reset counters on cxgb4 Detach
crypto: chelsio - Handle PCI shutdown event
crypto: chelsio - cleanup:send addr as value in function argument
crypto: chelsio - Use same value for both channel in single WR
crypto: chelsio - Swap location of AAD and IV sent in WR
crypto: chelsio - remove set but not used variable 'kctx_len'
crypto: ux500 - Use proper enum in hash_set_dma_transfer
crypto: ux500 - Use proper enum in cryp_set_dma_transfer
crypto: aesni - Add scatter/gather avx stubs, and use them in C
crypto: aesni - Introduce partial block macro
..
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reenable_fd has been a NOP since the introduction of the EPOLL
based interrupt controller.
reenable_channel() is no longer needed as the flow control is
now handled via the write IRQs on the channel.
Signed-off-by: Anton Ivanov <[email protected]>
Signed-off-by: Richard Weinberger <[email protected]>
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vector_user.c doesn't compile without this for me.
Signed-off-by: Christoph Hellwig <[email protected]>
Signed-off-by: Richard Weinberger <[email protected]>
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Signed-off-by: Anton Ivanov <[email protected]>
Acked-by: Richard Weinberger <[email protected]>
Signed-off-by: Richard Weinberger <[email protected]>
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This commit removes redundant generic-y defines in
arch/um/include/asm/Kbuild.
It is redundant to define generic-y when arch-specific implementation
exists in arch/$(ARCH)/include/asm/*.h
Remove the following generic-y:
hardirq.h
io.h
Signed-off-by: Masahiro Yamada <[email protected]>
Signed-off-by: Richard Weinberger <[email protected]>
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When UML handles a fork the page tables need to be brought up
to date. That was done using brute force - full tlb flush.
This is actually unnecessary, because the mapped-in mappings are
all correct and the only mappings which need to be updated
after a flush are any unmaps (so that paging works) as well as
any pending protection changes.
This optimization squeezes out up to 3% from a full kernel rebuild
time under memory pressure.
Signed-off-by: Anton Ivanov <[email protected]>
Signed-off-by: Richard Weinberger <[email protected]>
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Changing protection is a very high cost operation in UML
because in addition to an extra syscall it also interrupts
mmap merge sequences generated by the tlb.
While the condition is not particularly common it is worth
avoiding.
Signed-off-by: Anton Ivanov <[email protected]>
Signed-off-by: Richard Weinberger <[email protected]>
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Skip TLB flushing for all cases where it is not needed, not
just flush_tlb_mm_range
Signed-off-by: Anton Ivanov <[email protected]>
Signed-off-by: Richard Weinberger <[email protected]>
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Make the code to merge mmap/munmap/mprotect operations in tlb.c
common for userspace and kernel. Kernel tlb operations can now
be merged as well.
Signed-off-by: Anton Ivanov <[email protected]>
Signed-off-by: Richard Weinberger <[email protected]>
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It is not necessary to check if a fault has occured or not
after disabling pagefaults. kmap_atomic does that in all
cases and we can disable it for 64 bit where kmap is not needed
and a simple page_address would suffice.
dd if=/dev/zero of=/dev/null bs=1M count=1M
Before: 3.1GB/s. After: 3.5GB/s
There is a noticeable difference for file disk read and write
as well as less noticeable difference for network IO.
Signed-off-by: Anton Ivanov <[email protected]>
Signed-off-by: Richard Weinberger <[email protected]>
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Support for DISCARD and WRITE_ZEROES in the ubd driver using
fallocate.
DISCARD is enabled by default and can be disabled using a new
UBD command line flag.
If the underlying fs on which the UBD image is stored does not
support DISCARD the support for both DISCARD and WRITE_ZEROES
is turned off.
Signed-off-by: Anton Ivanov <[email protected]>
Signed-off-by: Richard Weinberger <[email protected]>
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Printk out of the io thread has been proven to be unsafe. This
is not surprising as the thread is part of the UML hypervisor
code. It is not supposed to invoke any kernel code/resources.
It is necesssary to pass the error to the block IO layer and let it
Signed-off-by: Anton Ivanov <[email protected]>
Signed-off-by: Richard Weinberger <[email protected]>
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Clean-up command processing and return BLK_STS_NOTSUP for
uknown commands.
Signed-off-by: Anton Ivanov <[email protected]>
Signed-off-by: Richard Weinberger <[email protected]>
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Switch to block mq-constants for both commands, error codes and
various computations.
Signed-off-by: Anton Ivanov <[email protected]>
Signed-off-by: Richard Weinberger <[email protected]>
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Both do more or less the same thing and are mutually exclusive.
If both are enabled the build will fail.
Sooner or later we can kill UML's GCOV.
Signed-off-by: Richard Weinberger <[email protected]>
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sys/uio.h gives us writev(), otherwise the build might fail on
some systems.
Fixes: 49da7e64f33e ("High Performance UML Vector Network Driver")
Signed-off-by: Richard Weinberger <[email protected]>
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This option restores the DEBUG_BUGVERBOSE functionality as it was
previous to commit 9a93848fe787 ("x86/debug: Implement __WARN() using
UD0").
Signed-off-by: Hernán Gonzalez <[email protected]>
Signed-off-by: Richard Weinberger <[email protected]>
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- Remove stale fs/hppfs/ reference
- Point to our patchwork queue
Signed-off-by: Richard Weinberger <[email protected]>
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Pull networking updates from David Miller:
1) New ipset extensions for matching on destination MAC addresses, from
Stefano Brivio.
2) Add ipv4 ttl and tos, plus ipv6 flow label and hop limit offloads to
nfp driver. From Stefano Brivio.
3) Implement GRO for plain UDP sockets, from Paolo Abeni.
4) Lots of work from Michał Mirosław to eliminate the VLAN_TAG_PRESENT
bit so that we could support the entire vlan_tci value.
5) Rework the IPSEC policy lookups to better optimize more usecases,
from Florian Westphal.
6) Infrastructure changes eliminating direct manipulation of SKB lists
wherever possible, and to always use the appropriate SKB list
helpers. This work is still ongoing...
7) Lots of PHY driver and state machine improvements and
simplifications, from Heiner Kallweit.
8) Various TSO deferral refinements, from Eric Dumazet.
9) Add ntuple filter support to aquantia driver, from Dmitry Bogdanov.
10) Batch dropping of XDP packets in tuntap, from Jason Wang.
11) Lots of cleanups and improvements to the r8169 driver from Heiner
Kallweit, including support for ->xmit_more. This driver has been
getting some much needed love since he started working on it.
12) Lots of new forwarding selftests from Petr Machata.
13) Enable VXLAN learning in mlxsw driver, from Ido Schimmel.
14) Packed ring support for virtio, from Tiwei Bie.
15) Add new Aquantia AQtion USB driver, from Dmitry Bezrukov.
16) Add XDP support to dpaa2-eth driver, from Ioana Ciocoi Radulescu.
17) Implement coalescing on TCP backlog queue, from Eric Dumazet.
18) Implement carrier change in tun driver, from Nicolas Dichtel.
19) Support msg_zerocopy in UDP, from Willem de Bruijn.
20) Significantly improve garbage collection of neighbor objects when
the table has many PERMANENT entries, from David Ahern.
21) Remove egdev usage from nfp and mlx5, and remove the facility
completely from the tree as it no longer has any users. From Oz
Shlomo and others.
22) Add a NETDEV_PRE_CHANGEADDR so that drivers can veto the change and
therefore abort the operation before the commit phase (which is the
NETDEV_CHANGEADDR event). From Petr Machata.
23) Add indirect call wrappers to avoid retpoline overhead, and use them
in the GRO code paths. From Paolo Abeni.
24) Add support for netlink FDB get operations, from Roopa Prabhu.
25) Support bloom filter in mlxsw driver, from Nir Dotan.
26) Add SKB extension infrastructure. This consolidates the handling of
the auxiliary SKB data used by IPSEC and bridge netfilter, and is
designed to support the needs to MPTCP which could be integrated in
the future.
27) Lots of XDP TX optimizations in mlx5 from Tariq Toukan.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1845 commits)
net: dccp: fix kernel crash on module load
drivers/net: appletalk/cops: remove redundant if statement and mask
bnx2x: Fix NULL pointer dereference in bnx2x_del_all_vlans() on some hw
net/net_namespace: Check the return value of register_pernet_subsys()
net/netlink_compat: Fix a missing check of nla_parse_nested
ieee802154: lowpan_header_create check must check daddr
net/mlx4_core: drop useless LIST_HEAD
mlxsw: spectrum: drop useless LIST_HEAD
net/mlx5e: drop useless LIST_HEAD
iptunnel: Set tun_flags in the iptunnel_metadata_reply from src
net/mlx5e: fix semicolon.cocci warnings
staging: octeon: fix build failure with XFRM enabled
net: Revert recent Spectre-v1 patches.
can: af_can: Fix Spectre v1 vulnerability
packet: validate address length if non-zero
nfc: af_nfc: Fix Spectre v1 vulnerability
phonet: af_phonet: Fix Spectre v1 vulnerability
net: core: Fix Spectre v1 vulnerability
net: minor cleanup in skb_ext_add()
net: drop the unused helper skb_ext_get()
...
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git://git.kernel.org/pub/scm/linux/kernel/git/jeyu/linux
Pull modules updates from Jessica Yu:
- Some modules-related kallsyms cleanups and a kallsyms fix for ARM.
- Include keys from the secondary keyring in module signature
verification.
* tag 'modules-for-v4.21' of git://git.kernel.org/pub/scm/linux/kernel/git/jeyu/linux:
ARM: module: Fix function kallsyms on Thumb-2
module: Overwrite st_size instead of st_info
module: make it clearer when we're handling kallsyms symbols vs exported symbols
modsign: use all trusted keys to verify module signature
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git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security
Pull general security subsystem updates from James Morris:
"The main changes here are Paul Gortmaker's removal of unneccesary
module.h infrastructure"
* 'next-general' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security:
security: integrity: partial revert of make ima_main explicitly non-modular
security: fs: make inode explicitly non-modular
security: audit and remove any unnecessary uses of module.h
security: integrity: make evm_main explicitly non-modular
keys: remove needless modular infrastructure from ecryptfs_format
security: integrity: make ima_main explicitly non-modular
tomoyo: fix small typo
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git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux
Pull selinux patches from Paul Moore:
"I already used my best holiday pull request lines in the audit pull
request, so this one is going to be a bit more boring, sorry about
that. To make up for this, we do have a birthday of sorts to
celebrate: SELinux turns 18 years old this December. Perhaps not the
most exciting thing in the world for most people, but I think it's
safe to say that anyone reading this email doesn't exactly fall into
the "most people" category.
Back to business and the pull request itself:
Ondrej has five patches in this pull request and I lump them into
three categories: one patch to always allow submounts (using similar
logic to elsewhere in the kernel), one to fix some issues with the
SELinux policydb, and the others to cleanup and improve the SELinux
sidtab.
The other patches from Alexey and Petr and trivial fixes that are
adequately described in their respective subject lines.
With this last pull request of the year, I want to thank everyone who
has contributed patches, testing, and reviews to the SELinux project
this year, and the past 18 years. Like any good open source effort,
SELinux is only as good as the community which supports it, and I'm
very happy that we have the community we do - thank you all!"
* tag 'selinux-pr-20181224' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux:
selinux: overhaul sidtab to fix bug and improve performance
selinux: use separate table for initial SID lookup
selinux: make "selinux_policycap_names[]" const char *
selinux: always allow mounting submounts
selinux: refactor sidtab conversion
Documentation: Update SELinux reference policy URL
selinux: policydb - fix byte order and alignment issues
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git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/audit
Pull audit updates from Paul Moore:
"In the finest of holiday of traditions, I have a number of gifts to
share today. While most of them are re-gifts from others, unlike the
typical re-gift, these are things you will want in and around your
tree; I promise.
This pull request is perhaps a bit larger than our typical PR, but
most of it comes from Jan's rework of audit's fanotify code; a very
welcome improvement. We ran this through our normal regression tests,
as well as some newly created stress tests and everything looks good.
Richard added a few patches, mostly cleaning up a few things and and
shortening some of the audit records that we send to userspace; a
change the userspace folks are quite happy about.
Finally YueHaibing and I kick in a few patches to simplify things a
bit and make the code less prone to errors.
Lastly, I want to say thanks one more time to everyone who has
contributed patches, testing, and code reviews for the audit subsystem
over the past year. The project is what it is due to your help and
contributions - thank you"
* tag 'audit-pr-20181224' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/audit: (22 commits)
audit: remove duplicated include from audit.c
audit: shorten PATH cap values when zero
audit: use current whenever possible
audit: minimize our use of audit_log_format()
audit: remove WATCH and TREE config options
audit: use session_info helper
audit: localize audit_log_session_info prototype
audit: Use 'mark' name for fsnotify_mark variables
audit: Replace chunk attached to mark instead of replacing mark
audit: Simplify locking around untag_chunk()
audit: Drop all unused chunk nodes during deletion
audit: Guarantee forward progress of chunk untagging
audit: Allocate fsnotify mark independently of chunk
audit: Provide helper for dropping mark's chunk reference
audit: Remove pointless check in insert_hash()
audit: Factor out chunk replacement code
audit: Make hash table insertion safe against concurrent lookups
audit: Embed key into chunk
audit: Fix possible tagging failures
audit: Fix possible spurious -ENOSPC error
...
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git://git.kernel.org/pub/scm/linux/kernel/git/pmladek/printk
Pull printk updates from Petr Mladek:
- Keep spinlocks busted until the end of panic()
- Fix races between calculating number of messages that would fit into
user space buffers, filling the buffers, and switching printk.time
parameter
- Some code clean up
* tag 'printk-for-4.21' of git://git.kernel.org/pub/scm/linux/kernel/git/pmladek/printk:
printk: Remove print_prefix() calls with NULL buffer.
printk: fix printk_time race.
printk: Make printk_emit() local function.
panic: avoid deadlocks in re-entrant console drivers
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git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux
Pull gcc-plugins update from Kees Cook:
"Both arm and arm64 are gaining per-task stack canaries (to match x86),
but arm is being done with a gcc plugin, hence it going through the
gcc-plugins tree.
New gcc-plugin:
- Enable per-task stack protector for ARM (Ard Biesheuvel)"
* tag 'gcc-plugins-v4.21-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
ARM: smp: add support for per-task stack canaries
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git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux
Pull pstore updates from Kees Cook:
"Improvements and refactorings:
- Improve compression handling
- Refactor argument handling during initialization
- Avoid needless locking for saner EFI backend handling
- Add more kern-doc and improve debugging output"
* tag 'pstore-v4.21-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
pstore/ram: Avoid NULL deref in ftrace merging failure path
pstore: Convert buf_lock to semaphore
pstore: Fix bool initialization/comparison
pstore/ram: Do not treat empty buffers as valid
pstore/ram: Simplify ramoops_get_next_prz() arguments
pstore: Map PSTORE_TYPE_* to strings
pstore: Replace open-coded << with BIT()
pstore: Improve and update some comments and status output
pstore/ram: Add kern-doc for struct persistent_ram_zone
pstore/ram: Report backend assignments with finer granularity
pstore/ram: Standardize module name in ramoops
pstore: Avoid duplicate call of persistent_ram_zap()
pstore: Remove needless lock during console writes
pstore: Do not use crash buffer for decompression
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git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc updates from Michael Ellerman:
"Notable changes:
- Mitigations for Spectre v2 on some Freescale (NXP) CPUs.
- A large series adding support for pass-through of Nvidia V100 GPUs
to guests on Power9.
- Another large series to enable hardware assistance for TLB table
walk on MPC8xx CPUs.
- Some preparatory changes to our DMA code, to make way for further
cleanups from Christoph.
- Several fixes for our Transactional Memory handling discovered by
fuzzing the signal return path.
- Support for generating our system call table(s) from a text file
like other architectures.
- A fix to our page fault handler so that instead of generating a
WARN_ON_ONCE, user accesses of kernel addresses instead print a
ratelimited and appropriately scary warning.
- A cosmetic change to make our unhandled page fault messages more
similar to other arches and also more compact and informative.
- Freescale updates from Scott:
"Highlights include elimination of legacy clock bindings use from
dts files, an 83xx watchdog handler, fixes to old dts interrupt
errors, and some minor cleanup."
And many clean-ups, reworks and minor fixes etc.
Thanks to: Alexandre Belloni, Alexey Kardashevskiy, Andrew Donnellan,
Aneesh Kumar K.V, Arnd Bergmann, Benjamin Herrenschmidt, Breno Leitao,
Christian Lamparter, Christophe Leroy, Christoph Hellwig, Daniel
Axtens, Darren Stevens, David Gibson, Diana Craciun, Dmitry V. Levin,
Firoz Khan, Geert Uytterhoeven, Greg Kurz, Gustavo Romero, Hari
Bathini, Joel Stanley, Kees Cook, Madhavan Srinivasan, Mahesh
Salgaonkar, Markus Elfring, Mathieu Malaterre, Michal Suchánek, Naveen
N. Rao, Nick Desaulniers, Oliver O'Halloran, Paul Mackerras, Ram Pai,
Ravi Bangoria, Rob Herring, Russell Currey, Sabyasachi Gupta, Sam
Bobroff, Satheesh Rajendran, Scott Wood, Segher Boessenkool, Stephen
Rothwell, Tang Yuantian, Thiago Jung Bauermann, Yangtao Li, Yuantian
Tang, Yue Haibing"
* tag 'powerpc-4.21-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (201 commits)
Revert "powerpc/fsl_pci: simplify fsl_pci_dma_set_mask"
powerpc/zImage: Also check for stdout-path
powerpc: Fix HMIs on big-endian with CONFIG_RELOCATABLE=y
macintosh: Use of_node_name_{eq, prefix} for node name comparisons
ide: Use of_node_name_eq for node name comparisons
powerpc: Use of_node_name_eq for node name comparisons
powerpc/pseries/pmem: Convert to %pOFn instead of device_node.name
powerpc/mm: Remove very old comment in hash-4k.h
powerpc/pseries: Fix node leak in update_lmb_associativity_index()
powerpc/configs/85xx: Enable CONFIG_DEBUG_KERNEL
powerpc/dts/fsl: Fix dtc-flagged interrupt errors
clk: qoriq: add more compatibles strings
powerpc/fsl: Use new clockgen binding
powerpc/83xx: handle machine check caused by watchdog timer
powerpc/fsl-rio: fix spelling mistake "reserverd" -> "reserved"
powerpc/fsl_pci: simplify fsl_pci_dma_set_mask
arch/powerpc/fsl_rmu: Use dma_zalloc_coherent
vfio_pci: Add NVIDIA GV100GL [Tesla V100 SXM2] subdriver
vfio_pci: Allow regions to add own capabilities
vfio_pci: Allow mapping extra regions
...
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Caused by making the variable static:
kernel/sched/fair.c:119:21: warning: 'capacity_margin' defined but not used [-Wunused-variable]
Seems easiest to just move it up under the existing ifdef CONFIG_SMP
that's a few lines above.
Fixes: ed8885a14433a ('sched/fair: Make some variables static')
Signed-off-by: Olof Johansson <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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