Commit Graph

776659 Commits

Author SHA1 Message Date
Christian Hansen
7f1d23e607 tools/vm/page-types.c: include shared map counts
Add a new flag that will read kpagecount for each PFN and print out the
number of times the page is mapped along with the flags in the listing
view.

This information is useful in understanding and optimizing memory usage.
Identifying pages which are not shared allows us to focus on adjusting
the memory layout or access patterns for the sole owning process.
Knowing the number of processes that share a page tells us how many
other times we must make the same adjustments or how many processes to
potentially disable.

Truncated sample output:

  voffset map-cnt offset  len     flags
  561a3591e       1       15fe8   1       ___U_lA____Ma_b___________________________
  561a3591f       1       2b103   1       ___U_lA____Ma_b___________________________
  561a36ca4       1       2cc78   1       ___U_lA____Ma_b___________________________
  7f588bb4e       14      2273c   1       __RU_lA____M______________________________

[akpm@linux-foundation.org: coding-style fixes]
[chansen3@cisco.com: add documentation, tweak whitespace]
  Link: http://lkml.kernel.org/r/20180705181204.5529-1-chansen3@cisco.com
Link: http://lkml.kernel.org/r/20180612153205.12879-1-chansen3@cisco.com
Signed-off-by: Christian Hansen <chansen3@cisco.com>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2018-08-17 16:20:28 -07:00
Yang Shi
fadae29530 thp: use mm_file_counter to determine update which rss counter
Since commit eca56ff906 ("mm, shmem: add internal shmem resident
memory accounting"), MM_SHMEMPAGES is added to separate the shmem
accounting from regular files.  So, all shmem pages should be accounted
to MM_SHMEMPAGES instead of MM_FILEPAGES.

And, normal 4K shmem pages have been accounted to MM_SHMEMPAGES, so
shmem thp pages should be not treated differently.  Account them to
MM_SHMEMPAGES via mm_counter_file() since shmem pages are swap backed to
keep consistent with normal 4K shmem pages.

This will not change the rss counter of processes since shmem pages are
still a part of it.

The /proc/pid/status and /proc/pid/statm counters will however be more
accurate wrt shmem usage, as originally intended.  And as eca56ff906
("mm, shmem: add internal shmem resident memory accounting") mentioned,
oom also could report more accurate "shmem-rss".

Link: http://lkml.kernel.org/r/1529442518-17398-1-git-send-email-yang.shi@linux.alibaba.com
Signed-off-by: Yang Shi <yang.shi@linux.alibaba.com>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Cc: Hugh Dickins <hughd@google.com>
Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2018-08-17 16:20:28 -07:00
Pavel Tatashin
720e14ebec mm: skip invalid pages block at a time in zero_resv_unresv()
The role of zero_resv_unavail() is to make sure that every struct page
that is allocated but is not backed by memory that is accessible by
kernel is zeroed and not in some uninitialized state.

Since struct pages are allocated in blocks (2M pages in x86 case), we
can skip pageblock_nr_pages at a time, when the first one is found to be
invalid.

This optimization may help since now on x86 every hole in e820 maps is
marked as reserved in memblock, and thus will go through this function.

This function is called before sched_clock() is initialized, so I used
my x86 early boot clock patches to measure the performance improvement.

With 1T hole on i7-8700 currently we would take 0.606918s of boot time,
but with this optimization 0.001103s.

Link: http://lkml.kernel.org/r/20180615155733.1175-1-pasha.tatashin@oracle.com
Signed-off-by: Pavel Tatashin <pasha.tatashin@oracle.com>
Reviewed-by: Oscar Salvador <osalvador@suse.de>
Reviewed-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Cc: Pasha Tatashin <Pavel.Tatashin@microsoft.com>
Cc: Steven Sistare <steven.sistare@oracle.com>
Cc: Daniel Jordan <daniel.m.jordan@oracle.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: "Huang, Ying" <ying.huang@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2018-08-17 16:20:28 -07:00
Souptick Joarder
50a7ca3c6f mm: convert return type of handle_mm_fault() caller to vm_fault_t
Use new return type vm_fault_t for fault handler.  For now, this is just
documenting that the function returns a VM_FAULT value rather than an
errno.  Once all instances are converted, vm_fault_t will become a
distinct type.

Ref-> commit 1c8f422059 ("mm: change return type to vm_fault_t")

In this patch all the caller of handle_mm_fault() are changed to return
vm_fault_t type.

Link: http://lkml.kernel.org/r/20180617084810.GA6730@jordon-HP-15-Notebook-PC
Signed-off-by: Souptick Joarder <jrdr.linux@gmail.com>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Richard Henderson <rth@twiddle.net>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Matt Turner <mattst88@gmail.com>
Cc: Vineet Gupta <vgupta@synopsys.com>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Cc: Richard Kuo <rkuo@codeaurora.org>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Michal Simek <monstr@monstr.eu>
Cc: James Hogan <jhogan@kernel.org>
Cc: Ley Foon Tan <lftan@altera.com>
Cc: Jonas Bonn <jonas@southpole.se>
Cc: James E.J. Bottomley <jejb@parisc-linux.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Palmer Dabbelt <palmer@sifive.com>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Cc: David S. Miller <davem@davemloft.net>
Cc: Richard Weinberger <richard@nod.at>
Cc: Guan Xuetao <gxt@pku.edu.cn>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: "Levin, Alexander (Sasha Levin)" <alexander.levin@verizon.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2018-08-17 16:20:28 -07:00
Vlastimil Babka
0882ff9190 mm, slub: restore the original intention of prefetch_freepointer()
In SLUB, prefetch_freepointer() is used when allocating an object from
cache's freelist, to make sure the next object in the list is cache-hot,
since it's probable it will be allocated soon.

Commit 2482ddec67 ("mm: add SLUB free list pointer obfuscation") has
unintentionally changed the prefetch in a way where the prefetch is
turned to a real fetch, and only the next->next pointer is prefetched.
In case there is not a stream of allocations that would benefit from
prefetching, the extra real fetch might add a useless cache miss to the
allocation.  Restore the previous behavior.

Link: http://lkml.kernel.org/r/20180809085245.22448-1-vbabka@suse.cz
Fixes: 2482ddec67 ("mm: add SLUB free list pointer obfuscation")
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
Acked-by: Kees Cook <keescook@chromium.org>
Cc: Daniel Micay <danielmicay@gmail.com>
Cc: Eric Dumazet <edumazet@google.com>
Cc: Christoph Lameter <cl@linux.com>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: David Rientjes <rientjes@google.com>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2018-08-17 16:20:28 -07:00
NeilBrown
1f4aace60b fs/seq_file.c: simplify seq_file iteration code and interface
The documentation for seq_file suggests that it is necessary to be able
to move the iterator to a given offset, however that is not the case.
If the iterator is stored in the private data and is stable from one
read() syscall to the next, it is only necessary to support first/next
interactions.  Implementing this in a client is a little clumsy.

 - if ->start() is given a pos of zero, it should go to start of
   sequence.

 - if ->start() is given the name pos that was given to the most recent
   next() or start(), it should restore the iterator to state just
   before that last call

 - if ->start is given another number, it should set the iterator one
   beyond the start just before the last ->start or ->next call.

Also, the documentation says that the implementation can interpret the
pos however it likes (other than zero meaning start), but seq_file
increments the pos sometimes which does impose on the implementation.

This patch simplifies the interface for first/next iteration and
simplifies the code, while maintaining complete backward compatability.
Now:

 - if ->start() is given a pos of zero, it should return an iterator
   placed at the start of the sequence

 - if ->start() is given a non-zero pos, it should return the iterator
   in the same state it was after the last ->start or ->next.

This is particularly useful for interators which walk the multiple
chains in a hash table, e.g.  using rhashtable_walk*.  See
fs/gfs2/glock.c and drivers/staging/lustre/lustre/llite/vvp_dev.c

A large part of achieving this is to *always* call ->next after ->show
has successfully stored all of an entry in the buffer.  Never just
increment the index instead.  Also:

 - always pass &m->index to ->start() and ->next(), never a temp
   variable

 - don't clear ->from when ->count is zero, as ->from is dead when
   ->count is zero.

Some ->next functions do not increment *pos when they return NULL.  To
maintain compatability with this, we still need to increment m->index in
one place, if ->next didn't increment it.  Note that such ->next
functions are buggy and should be fixed.  A simple demonstration is

   dd if=/proc/swaps bs=1000 skip=1

Choose any block size larger than the size of /proc/swaps.  This will
always show the whole last line of /proc/swaps.

This patch doesn't work around buggy next() functions for this case.

[neilb@suse.com: ensure ->from is valid]
  Link: http://lkml.kernel.org/r/87601ryb8a.fsf@notabene.neil.brown.name
Signed-off-by: NeilBrown <neilb@suse.com>
Acked-by: Jonathan Corbet <corbet@lwn.net>	[docs]
Tested-by: Jann Horn <jannh@google.com>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Cc: Kees Cook <keescook@chromium.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2018-08-17 16:20:28 -07:00
NeilBrown
4cdfffc872 vfs: discard ATTR_ATTR_FLAG
This flag was introduce in 2.1.37pre1 and the only place it was tested
was removed in 2.1.43pre1.  The flag was never set.

Let's discard it properly.

Link: http://lkml.kernel.org/r/877en0hewz.fsf@notabene.neil.brown.name
Signed-off-by: NeilBrown <neilb@suse.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2018-08-17 16:20:28 -07:00
Tetsuo Handa
6cd00a01f0 fs/dcache.c: fix kmemcheck splat at take_dentry_name_snapshot()
Since only dentry->d_name.len + 1 bytes out of DNAME_INLINE_LEN bytes
are initialized at __d_alloc(), we can't copy the whole size
unconditionally.

 WARNING: kmemcheck: Caught 32-bit read from uninitialized memory (ffff8fa27465ac50)
 636f6e66696766732e746d70000000000010000000000000020000000188ffff
  i i i i i i i i i i i i i u u u u u u u u u u i i i i i u u u u
                                  ^
 RIP: 0010:take_dentry_name_snapshot+0x28/0x50
 RSP: 0018:ffffa83000f5bdf8 EFLAGS: 00010246
 RAX: 0000000000000020 RBX: ffff8fa274b20550 RCX: 0000000000000002
 RDX: ffffa83000f5be40 RSI: ffff8fa27465ac50 RDI: ffffa83000f5be60
 RBP: ffffa83000f5bdf8 R08: ffffa83000f5be48 R09: 0000000000000001
 R10: ffff8fa27465ac00 R11: ffff8fa27465acc0 R12: ffff8fa27465ac00
 R13: ffff8fa27465acc0 R14: 0000000000000000 R15: 0000000000000000
 FS:  00007f79737ac8c0(0000) GS:ffffffff8fc30000(0000) knlGS:0000000000000000
 CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
 CR2: ffff8fa274c0b000 CR3: 0000000134aa7002 CR4: 00000000000606f0
  take_dentry_name_snapshot+0x28/0x50
  vfs_rename+0x128/0x870
  SyS_rename+0x3b2/0x3d0
  entry_SYSCALL_64_fastpath+0x1a/0xa4
  0xffffffffffffffff

Link: http://lkml.kernel.org/r/201709131912.GBG39012.QMJLOVFSFFOOtH@I-love.SAKURA.ne.jp
Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Cc: Vegard Nossum <vegard.nossum@gmail.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2018-08-17 16:20:28 -07:00
Colin Ian King
480bd56485 ocfs2: make several functions and variables static (and some const)
There are a variety of functions and variables that are local to the
source and do not need to be in global scope, so make them static.  Also
make a couple of char arrays static const.

Cleans up sparse warnings:
  symbol 'o2hb_heartbeat_mode_desc' was not declared. Should it be static?
  symbol 'o2hb_heartbeat_mode' was not declared. Should it be static?
  symbol 'o2hb_dependent_users' was not declared. Should it be static?
  symbol 'o2hb_region_dec_user' was not declared. Should it be static?
  symbol 'o2nm_fence_method_desc' was not declared. Should it be static?
  symbol 'lockdep_keys' was not declared. Should it be static?

Link: http://lkml.kernel.org/r/20180628131659.12133-1-colin.king@canonical.com
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Cc: Mark Fasheh <mfasheh@versity.com>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Junxiao Bi <junxiao.bi@oracle.com>
Cc: Joseph Qi <joseph.qi@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2018-08-17 16:20:28 -07:00
wangyan
229ba1f82a ocfs2: clean up some unnecessary code
Several functions have some unnecessary code, clean up these code.

Link: http://lkml.kernel.org/r/5B14DF72.5020800@huawei.com
Signed-off-by: Yan Wang <wangyan122@huawei.com>
Reviewed-by: Jun Piao <piaojun@huawei.com>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Mark Fasheh <mark@fasheh.com>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Junxiao Bi <junxiao.bi@oracle.com>
Cc: Joseph Qi <jiangqi903@gmail.com>
Cc: Changwei Ge <ge.changwei@h3c.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2018-08-17 16:20:27 -07:00
Jun Piao
93f5920d86 ocfs2: return -EROFS when filesystem becomes read-only
We should return -EROFS rather than other errno if filesystem becomes
read-only.

[akpm@linux-foundation.org: coding-style fixes]
Link: http://lkml.kernel.org/r/5B191B26.9010501@huawei.com
Signed-off-by: Jun Piao <piaojun@huawei.com>
Reviewed-by: Yiwen Jiang <jiangyiwen@huawei.com>
Acked-by: Joseph Qi <jiangqi903@gmail.com>
Cc: Mark Fasheh <mark@fasheh.com>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Junxiao Bi <junxiao.bi@oracle.com>
Cc: Changwei Ge <ge.changwei@h3c.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2018-08-17 16:20:27 -07:00
Nick Desaulniers
8d00d0c00c sh: prefer _THIS_IP_ to current_text_addr
As part of the effort to reduce the code duplication between _THIS_IP_
and current_text_addr(), let's consolidate callers of
current_text_addr() to use _THIS_IP_.

Link: http://lkml.kernel.org/r/20180801185331.39535-1-ndesaulniers@google.com
Signed-off-by: Nick Desaulniers <ndesaulniers@google.com>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Cc: Rich Felker <dalias@libc.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2018-08-17 16:20:27 -07:00
Dmitry Torokhov
82f7c5103d sh: make use of for_each_node_by_type()
Instead of open-coding the loop, let's use canned macro.

Also make sure we are not leaking "cpus" node reference.

Link: http://lkml.kernel.org/r/20180624224252.GA220395@dtor-ws
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Cc: Rich Felker <dalias@libc.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2018-08-17 16:20:27 -07:00
Kees Cook
ab62ef82ea ntfs: mft: remove VLA usage
In the quest to remove all stack VLA usage from the kernel[1], this
allocates the maximum size stack buffer.  Existing checks already
require that blocksize >= NTFS_BLOCK_SIZE and mft_record_size <=
PAGE_SIZE, so max_bhs can be at most PAGE_SIZE / NTFS_BLOCK_SIZE.
Sanity checks are added for robustness.

[1] https://lkml.kernel.org/r/CA+55aFzCG-zNmZwX4A2FQpadafLfEzK6CC=qPXydAacU1RqZWA@mail.gmail.com

Link: http://lkml.kernel.org/r/20180626172909.41453-4-keescook@chromium.org
Signed-off-by: Kees Cook <keescook@chromium.org>
Cc: Anton Altaparmakov <anton@tuxera.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2018-08-17 16:20:27 -07:00
Kees Cook
2c27ce9150 ntfs: decompress: remove VLA usage
In the quest to remove all stack VLA usage from the kernel[1], this
moves the stack buffer used during decompression to be allocated
externally.

The existing "dest_max_index" used in the VLA is bounded by cb_max_page.
cb_max_page is bounded by max_page, and max_page is bounded by nr_pages.
Since nr_pages is used for the "pages" allocation, it can similarly be
used for the "completed_pages" allocation and passed into the
decompression function.  The error paths are updated to free the new
allocation.

[1] https://lkml.kernel.org/r/CA+55aFzCG-zNmZwX4A2FQpadafLfEzK6CC=qPXydAacU1RqZWA@mail.gmail.com

Link: http://lkml.kernel.org/r/20180626172909.41453-3-keescook@chromium.org
Signed-off-by: Kees Cook <keescook@chromium.org>
Cc: Anton Altaparmakov <anton@tuxera.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2018-08-17 16:20:27 -07:00
Kees Cook
ac4ecf968a ntfs: aops: remove VLA usage
In the quest to remove all stack VLA usage from the kernel[1], this uses
the maximum size needed on the stack and adds a sanity check for
robustness: index.block_size cannot be larger than PAGE_SIZE nor less
than NTFS_BLOCK_SIZE.

[1] https://lkml.kernel.org/r/CA+55aFzCG-zNmZwX4A2FQpadafLfEzK6CC=qPXydAacU1RqZWA@mail.gmail.com

Link: http://lkml.kernel.org/r/20180626172909.41453-2-keescook@chromium.org
Signed-off-by: Kees Cook <keescook@chromium.org>
Cc: Anton Altaparmakov <anton@tuxera.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2018-08-17 16:20:27 -07:00
Sebastian Andrzej Siewior
a10dcebacd fs/ntfs/aops.c: don't disable interrupts during kmap_atomic()
ntfs_end_buffer_async_read() disables interrupts around kmap_atomic().
This is a leftover from the old kmap_atomic() implementation which
relied on fixed mapping slots, so the caller had to make sure that the
same slot could not be reused from an interrupting context.

kmap_atomic() was changed to dynamic slots long ago and commit
1ec9c5ddc1 ("include/linux/highmem.h: remove the second argument of
k[un]map_atomic()") removed the slot assignements, but the callers were
not checked for now redundant interrupt disabling.

Remove the conditional interrupt disable.

Link: http://lkml.kernel.org/r/20180611144913.gln5mklhqcrfsoom@linutronix.de
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: Anton Altaparmakov <anton@tuxera.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2018-08-17 16:20:27 -07:00
Jeremy Cline
bed95c43c1 scripts: add Python 3 compatibility to spdxcheck.py
"dict.has_key(key)" on dictionaries has been replaced with "key in
dict".  Additionally, when run under Python 3 some files don't decode
with the default encoding (tested with UTF-8).  To handle that, don't
open the file in text mode and decode text line-by-line, ignoring
encoding errors.

This remains compatible with Python 2 and should have no functional
change.

Link: http://lkml.kernel.org/r/20180717190635.29467-1-jcline@redhat.com
Signed-off-by: Jeremy Cline <jcline@redhat.com>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2018-08-17 16:20:27 -07:00
Joe Perches
fde5e903fb scripts/spdxcheck.py: work with current HEAD LICENSES/ directory
Depending on how old your -next tree is, it may not have a master that
has the LICENSES directory.

Change the lookup to HEAD and find whatever LICENSE directory files are
used in that branch.

Miscellanea:

 - Remove the checkpatch test as it will have its own SPDX license
   identifier.

Link: http://lkml.kernel.org/r/7eeefc862194930c773e662cb2152e178441d3b8.camel@perches.com
Signed-off-by: Joe Perches <joe@perches.com>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2018-08-17 16:20:27 -07:00
Arnd Bergmann
f08957d0ff fs/hpfs: extend gmt_to_local() conversion to 64-bit times
The VFS timestamps are all 64-bit now, the only missing piece for hpfs
is the internal conversion function.  One interesting bit about hpfs is
that it can already deal with moving the 136 year window of its
timestamps to support a much wider range than other file systems with
32-bit timestamps.  It also treats the timestamps as 'unsigned' on
64-bit architectures (but signed on 32-bit, because time_t always around
to negative numbers in 2038).

Changing the conversion to use time64_t makes 32-bit architectures
behave the same way as 64-bit.  For completeness, this also adds a
clamp_t call for each conversion, so we don't wrap the timestamps but
instead stay within the [0..U32_MAX] range of the on-disk timestamps.

Link: http://lkml.kernel.org/r/20180718115017.742609-3-arnd@arndb.de
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: Mikulas Patocka <mikulas@artax.karlin.mff.cuni.cz>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2018-08-17 16:20:27 -07:00
Arnd Bergmann
bcf451ecfc fs/ntfs: use timespec64 directly for timestamp conversion
Now that the VFS has been converted from timespec to timespec64
timestamps, only the conversion to/from ntfs timestamps uses 32-bit
seconds.

This changes that last missing piece to get the ntfs implementation
y2038 safe on 32-bit architectures.

Link: http://lkml.kernel.org/r/20180718115017.742609-2-arnd@arndb.de
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: Anton Altaparmakov <anton@tuxera.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2018-08-17 16:20:27 -07:00
Arnd Bergmann
a3fda0ffea fs/ufs: use ktime_get_real_seconds for sb and cg timestamps
get_seconds() is deprecated because of the 32-bit overflow and will be
removed.  All callers in ufs also truncate to a 32-bit number, so
nothing changes during the conversion, but this should be harmless as
the superblock and cylinder group timestamps are not visible to user
space, except for checking the fs-dirty state, wich works fine across
the overflow.

This moves the call to get_seconds() into a new inline function, with a
comment explaining the constraints, while converting it to
ktime_get_real_seconds().

Link: http://lkml.kernel.org/r/20180718115017.742609-1-arnd@arndb.de
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2018-08-17 16:20:27 -07:00
Arnd Bergmann
2c1bb29aa6 firewire: use 64-bit time_t based interfaces
32-bit CLOCK_REALTIME timestamps overflow in year 2038, so all such
interfaces are deprecated now.  For the FW_CDEV_IOC_GET_CYCLE_TIMER2
ioctl, we already support 64-bit timestamps, but the implementation
still uses timespec.

This changes the code to use timespec64 instead with the appropriate
accessor functions.

Link: http://lkml.kernel.org/r/20180711124456.1023039-1-arnd@arndb.de
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: Stefan Richter <stefanr@s5r6.in-berlin.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2018-08-17 16:20:27 -07:00
Dave Jiang
e1fb4a0864 dax: remove VM_MIXEDMAP for fsdax and device dax
This patch is reworked from an earlier patch that Dan has posted:
https://patchwork.kernel.org/patch/10131727/

VM_MIXEDMAP is used by dax to direct mm paths like vm_normal_page() that
the memory page it is dealing with is not typical memory from the linear
map.  The get_user_pages_fast() path, since it does not resolve the vma,
is already using {pte,pmd}_devmap() as a stand-in for VM_MIXEDMAP, so we
use that as a VM_MIXEDMAP replacement in some locations.  In the cases
where there is no pte to consult we fallback to using vma_is_dax() to
detect the VM_MIXEDMAP special case.

Now that we have explicit driver pfn_t-flag opt-in/opt-out for
get_user_pages() support for DAX we can stop setting VM_MIXEDMAP.  This
also means we no longer need to worry about safely manipulating vm_flags
in a future where we support dynamically changing the dax mode of a
file.

DAX should also now be supported with madvise_behavior(), vma_merge(),
and copy_page_range().

This patch has been tested against ndctl unit test.  It has also been
tested against xfstests commit: 625515d using fake pmem created by
memmap and no additional issues have been observed.

Link: http://lkml.kernel.org/r/152847720311.55924.16999195879201817653.stgit@djiang5-desk3.ch.intel.com
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Acked-by: Dan Williams <dan.j.williams@intel.com>
Cc: Jan Kara <jack@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2018-08-17 16:20:27 -07:00
Arnd Bergmann
e36488c83b bitfield: avoid gcc-8 -Wint-in-bool-context warning
Passing an enum into FIELD_GET() produces a long but harmless warning on
newer compilers:

                   from include/linux/linkage.h:7,
                   from include/linux/kernel.h:7,
                   from include/linux/skbuff.h:17,
                   from include/linux/if_ether.h:23,
                   from include/linux/etherdevice.h:25,
                   from drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c:63:
  drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c: In function 'iwl_mvm_rx_mpdu_mq':
  include/linux/bitfield.h:56:20: error: enum constant in boolean context [-Werror=int-in-bool-context]
     BUILD_BUG_ON_MSG(!(_mask), _pfx "mask is zero"); \
                      ^
  ...
  include/linux/bitfield.h:103:3: note: in expansion of macro '__BF_FIELD_CHECK'
     __BF_FIELD_CHECK(_mask, _reg, 0U, "FIELD_GET: "); \
     ^~~~~~~~~~~~~~~~
  drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c:1025:21: note: in expansion of macro 'FIELD_GET'
      le16_encode_bits(FIELD_GET(IWL_RX_HE_PHY_SIBG_SYM_OR_USER_NUM_MASK,

The problem here is that the caller has no idea how the macro gets
expanding, leading to a false-positive.  It can be trivially avoided by
doing a comparison against zero.

This only recently started appearing as the iwlwifi driver was patched
to use FIELD_GET.

Link: http://lkml.kernel.org/r/20180813220950.194841-1-arnd@arndb.de
Fixes: 514c30696f ("iwlwifi: add support for IEEE802.11ax")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: Masahiro Yamada <yamada.masahiro@socionext.com>
Cc: Johannes Berg <johannes@sipsolutions.net>
Cc: Jakub Kicinski <jakub.kicinski@netronome.com>
Cc: Andy Shevchenko <andy.shevchenko@gmail.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: David Laight <David.Laight@ACULAB.COM>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2018-08-17 16:20:27 -07:00
Dominique Martinet
6ed191ca90 9p: add Dominique Martinet to MAINTAINERS
Link: http://lkml.kernel.org/r/1533869305-29325-1-git-send-email-asmadeus@codewreck.org
Signed-off-by: Dominique Martinet <dominique.martinet@cea.fr>
Acked-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Eric Van Hensbergen <ericvh@gmail.com>
Cc: Latchesar Ionkov <lucho@ionkov.net>
Cc: Ron Minnich <rminnich@sandia.gov>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2018-08-17 16:20:27 -07:00
Dominique Martinet
6b69cbd8b1 9p: remove Ron Minnich from MAINTAINERS
Ron Minnich has left Sandia in 2011, and has not been involved in any 9p
commit in recent years.  Also add a CREDITS entry to record his
contributions.

Link: http://lkml.kernel.org/r/1534486244-1055-1-git-send-email-asmadeus@codewreck.org
Signed-off-by: Dominique Martinet <dominique.martinet@cea.fr>
Cc: Eric Van Hensbergen <ericvh@gmail.com>
Cc: Ron Minnich <rminnich@sandia.gov>
Cc: Ronald G. Minnich <rminnich@gmail.com>
Cc: Latchesar Ionkov <lucho@ionkov.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2018-08-17 16:20:26 -07:00
Linus Torvalds
5c60a7389d Orangefs: one cleanup and Souptick's vm_fault_t patch
1. Adding new return type vm_fault_t (Souptick Joarder)
 2. remove redundant pointer orangefs_inode (Colin Ian King)
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Merge tag 'for-linus-4.19-ofs1' of git://git.kernel.org/pub/scm/linux/kernel/git/hubcap/linux

Pull orangefs updates from Mike Marshall:
 "Orangefs: one cleanup and Souptick's vm_fault_t patch:

   - add new return type vm_fault_t (Souptick Joarder)

   - remove redundant pointer (Colin Ian King)"

* tag 'for-linus-4.19-ofs1' of git://git.kernel.org/pub/scm/linux/kernel/git/hubcap/linux:
  orangefs: remove redundant pointer orangefs_inode
  orangefs: Adding new return type vm_fault_t
2018-08-16 10:53:45 -07:00
Linus Torvalds
b6d6a3076a VFIO updates for v4.19
- Mark switch fall throughs (Gustavo A. R. Silva)
 
  - Disable binding SR-IOV enabled PFs (Alex Williamson)
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Merge tag 'vfio-v4.19-rc1' of git://github.com/awilliam/linux-vfio

Pull VFIO updates from Alex Williamson:

 - mark switch fall-through cases (Gustavo A. R. Silva)

 - disable binding SR-IOV enabled PFs (Alex Williamson)

* tag 'vfio-v4.19-rc1' of git://github.com/awilliam/linux-vfio:
  vfio-pci: Disable binding to PFs with SR-IOV enabled
  vfio: Mark expected switch fall-throughs
2018-08-16 10:34:05 -07:00
Linus Torvalds
d01e12dd3f Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/evalenti/linux-soc-thermal
Pull thermal management updates from Eduardo Valentin:

 - rework tsens driver to add support for tsens-v2 (Amit Kucheria)

 - rework armada thermal driver to use syscon and multichannel support
   (Miquel Raynal)

 - fixes to TI SoC, IMX, Exynos, RCar, and hwmon drivers

* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/evalenti/linux-soc-thermal: (34 commits)
  thermal: armada: fix copy-paste error in armada_thermal_probe()
  thermal: rcar_thermal: avoid NULL dereference in absence of IRQ resources
  thermal: samsung: Remove Exynos5440 clock handling left-overs
  thermal: tsens: Fix negative temperature reporting
  thermal: tsens: switch from of_iomap() to devm_ioremap_resource()
  thermal: tsens: Rename variable
  thermal: tsens: Add generic support for TSENS v2 IP
  thermal: tsens: Rename tsens-8996 to tsens-v2 for reuse
  thermal: tsens: Add support to split up register address space into two
  dt: thermal: tsens: Document the fallback DT property for v2 of TSENS IP
  thermal: tsens: Get rid of unused fields in structure
  thermal_hwmon: Pass the originating device down to hwmon_device_register_with_info
  thermal_hwmon: Sanitize attribute name passed to hwmon
  dt-bindings: thermal: armada: add reference to new bindings
  dt-bindings: cp110: add the thermal node in the syscon file
  dt-bindings: cp110: update documentation since DT de-duplication
  dt-bindings: ap806: add the thermal node in the syscon file
  dt-bindings: cp110: prepare the syscon file to list other syscons nodes
  dt-bindings: ap806: prepare the syscon file to list other syscons nodes
  dt-bindings: cp110: rename cp110 syscon file
  ...
2018-08-16 10:21:18 -07:00
Linus Torvalds
9502f0d1d9 - xgene : potential null pointer fix
- omap : switch to spdx license and use of_device_get_match_data() to match data
 
 - ti-msgmgr : cleanup and optimisation. New TI specific feature - secure proxy thread.
 
 - mediatek : add driver for CMDQ controller.
 
 - nxp : add driver for MU controller
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Merge tag 'mailbox-v4.19' of git://git.linaro.org/landing-teams/working/fujitsu/integration

Pull mailbox updates from Jassi Brar:

 - xgene: potential null pointer fix

 - omap: switch to spdx license and use of_device_get_match_data() to
   match data

 - ti-msgmgr: cleanup and optimisation. New TI specific feature - secure
   proxy thread.

 - mediatek: add driver for CMDQ controller.

 - nxp: add driver for MU controller

* tag 'mailbox-v4.19' of git://git.linaro.org/landing-teams/working/fujitsu/integration:
  mailbox: Add support for i.MX messaging unit
  dt-bindings: mailbox: imx-mu: add generic MU channel support
  dt-bindings: arm: fsl: add mu binding doc
  mailbox: add MODULE_LICENSE() for mtk-cmdq-mailbox.c
  mailbox: mediatek: Add Mediatek CMDQ driver
  dt-bindings: soc: Add documentation for the MediaTek GCE unit
  mailbox: ti-msgmgr: Add support for Secure Proxy
  dt-bindings: mailbox: Add support for secure proxy threads
  mailbox: ti-msgmgr: Move the memory region name to descriptor
  mailbox: ti-msgmgr: Change message count mask to be descriptor based
  mailbox: ti-msgmgr: Allocate Rx channel resources only on request
  mailbox: ti-msgmgr: Get rid of unused structure members
  mailbox/omap: use of_device_get_match_data() to get match data
  mailbox/omap: switch to SPDX license identifier
  mailbox: xgene-slimpro: Fix potential NULL pointer dereference
2018-08-16 10:16:08 -07:00
Yannik Sembritzki
ea93102f32 Fix kexec forbidding kernels signed with keys in the secondary keyring to boot
The split of .system_keyring into .builtin_trusted_keys and
.secondary_trusted_keys broke kexec, thereby preventing kernels signed by
keys which are now in the secondary keyring from being kexec'd.

Fix this by passing VERIFY_USE_SECONDARY_KEYRING to
verify_pefile_signature().

Fixes: d3bfe84129 ("certs: Add a secondary system keyring that can be added to dynamically")
Signed-off-by: Yannik Sembritzki <yannik@sembritzki.me>
Signed-off-by: David Howells <dhowells@redhat.com>
Cc: kexec@lists.infradead.org
Cc: keyrings@vger.kernel.org
Cc: linux-security-module@vger.kernel.org
Cc: stable@kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2018-08-16 09:57:20 -07:00
Yannik Sembritzki
817aef2600 Replace magic for trusting the secondary keyring with #define
Replace the use of a magic number that indicates that verify_*_signature()
should use the secondary keyring with a symbol.

Signed-off-by: Yannik Sembritzki <yannik@sembritzki.me>
Signed-off-by: David Howells <dhowells@redhat.com>
Cc: keyrings@vger.kernel.org
Cc: linux-security-module@vger.kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2018-08-16 09:57:20 -07:00
Linus Torvalds
4e31843f68 pci-v4.19-changes
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Merge tag 'pci-v4.19-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci

Pull pci updates from Bjorn Helgaas:

 - Decode AER errors with names similar to "lspci" (Tyler Baicar)

 - Expose AER statistics in sysfs (Rajat Jain)

 - Clear AER status bits selectively based on the type of recovery (Oza
   Pawandeep)

 - Honor "pcie_ports=native" even if HEST sets FIRMWARE_FIRST (Alexandru
   Gagniuc)

 - Don't clear AER status bits if we're using the "Firmware-First"
   strategy where firmware owns the registers (Alexandru Gagniuc)

 - Use sysfs_match_string() to simplify ASPM sysfs parsing (Andy
   Shevchenko)

 - Remove unnecessary includes of <linux/pci-aspm.h> (Bjorn Helgaas)

 - Defer DPC event handling to work queue (Keith Busch)

 - Use threaded IRQ for DPC bottom half (Keith Busch)

 - Print AER status while handling DPC events (Keith Busch)

 - Work around IDT switch ACS Source Validation erratum (James
   Puthukattukaran)

 - Emit diagnostics for all cases of PCIe Link downtraining (Links
   operating slower than they're capable of) (Alexandru Gagniuc)

 - Skip VFs when configuring Max Payload Size (Myron Stowe)

 - Reduce Root Port Max Payload Size if necessary when hot-adding a
   device below it (Myron Stowe)

 - Simplify SHPC existence/permission checks (Bjorn Helgaas)

 - Remove hotplug sample skeleton driver (Lukas Wunner)

 - Convert pciehp to threaded IRQ handling (Lukas Wunner)

 - Improve pciehp tolerance of missed events and initially unstable
   links (Lukas Wunner)

 - Clear spurious pciehp events on resume (Lukas Wunner)

 - Add pciehp runtime PM support, including for Thunderbolt controllers
   (Lukas Wunner)

 - Support interrupts from pciehp bridges in D3hot (Lukas Wunner)

 - Mark fall-through switch cases before enabling -Wimplicit-fallthrough
   (Gustavo A. R. Silva)

 - Move DMA-debug PCI init from arch code to PCI core (Christoph
   Hellwig)

 - Fix pci_request_irq() usage of IRQF_ONESHOT when no handler is
   supplied (Heiner Kallweit)

 - Unify PCI and DMA direction #defines (Shunyong Yang)

 - Add PCI_DEVICE_DATA() macro (Andy Shevchenko)

 - Check for VPD completion before checking for timeout (Bert Kenward)

 - Limit Netronome NFP5000 config space size to work around erratum
   (Jakub Kicinski)

 - Set IRQCHIP_ONESHOT_SAFE for PCI MSI irqchips (Heiner Kallweit)

 - Document ACPI description of PCI host bridges (Bjorn Helgaas)

 - Add "pci=disable_acs_redir=" parameter to disable ACS redirection for
   peer-to-peer DMA support (we don't have the peer-to-peer support yet;
   this is just one piece) (Logan Gunthorpe)

 - Clean up devm_of_pci_get_host_bridge_resources() resource allocation
   (Jan Kiszka)

 - Fixup resizable BARs after suspend/resume (Christian König)

 - Make "pci=earlydump" generic (Sinan Kaya)

 - Fix ROM BAR access routines to stay in bounds and check for signature
   correctly (Rex Zhu)

 - Add DMA alias quirk for Microsemi Switchtec NTB (Doug Meyer)

 - Expand documentation for pci_add_dma_alias() (Logan Gunthorpe)

 - To avoid bus errors, enable PASID only if entire path supports
   End-End TLP prefixes (Sinan Kaya)

 - Unify slot and bus reset functions and remove hotplug knowledge from
   callers (Sinan Kaya)

 - Add Function-Level Reset quirks for Intel and Samsung NVMe devices to
   fix guest reboot issues (Alex Williamson)

 - Add function 1 DMA alias quirk for Marvell 88SS9183 PCIe SSD
   Controller (Bjorn Helgaas)

 - Remove Xilinx AXI-PCIe host bridge arch dependency (Palmer Dabbelt)

 - Remove Aardvark outbound window configuration (Evan Wang)

 - Fix Aardvark bridge window sizing issue (Zachary Zhang)

 - Convert Aardvark to use pci_host_probe() to reduce code duplication
   (Thomas Petazzoni)

 - Correct the Cadence cdns_pcie_writel() signature (Alan Douglas)

 - Add Cadence support for optional generic PHYs (Alan Douglas)

 - Add Cadence power management ops (Alan Douglas)

 - Remove redundant variable from Cadence driver (Colin Ian King)

 - Add Kirin MSI support (Xiaowei Song)

 - Drop unnecessary root_bus_nr setting from exynos, imx6, keystone,
   armada8k, artpec6, designware-plat, histb, qcom, spear13xx (Shawn
   Guo)

 - Move link notification settings from DesignWare core to individual
   drivers (Gustavo Pimentel)

 - Add endpoint library MSI-X interfaces (Gustavo Pimentel)

 - Correct signature of endpoint library IRQ interfaces (Gustavo
   Pimentel)

 - Add DesignWare endpoint library MSI-X callbacks (Gustavo Pimentel)

 - Add endpoint library MSI-X test support (Gustavo Pimentel)

 - Remove unnecessary GFP_ATOMIC from Hyper-V "new child" allocation
   (Jia-Ju Bai)

 - Add more devices to Broadcom PAXC quirk (Ray Jui)

 - Work around corrupted Broadcom PAXC config space to enable SMMU and
   GICv3 ITS (Ray Jui)

 - Disable MSI parsing to work around broken Broadcom PAXC logic in some
   devices (Ray Jui)

 - Hide unconfigured functions to work around a Broadcom PAXC defect
   (Ray Jui)

 - Lower iproc log level to reduce console output during boot (Ray Jui)

 - Fix mobiveil iomem/phys_addr_t type usage (Lorenzo Pieralisi)

 - Fix mobiveil missing include file (Lorenzo Pieralisi)

 - Add mobiveil Kconfig/Makefile support (Lorenzo Pieralisi)

 - Fix mvebu I/O space remapping issues (Thomas Petazzoni)

 - Use generic pci_host_bridge in mvebu instead of ARM-specific API
   (Thomas Petazzoni)

 - Whitelist VMD devices with fast interrupt handlers to avoid sharing
   vectors with slow handlers (Keith Busch)

* tag 'pci-v4.19-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (153 commits)
  PCI/AER: Don't clear AER bits if error handling is Firmware-First
  PCI: Limit config space size for Netronome NFP5000
  PCI/MSI: Set IRQCHIP_ONESHOT_SAFE for PCI-MSI irqchips
  PCI/VPD: Check for VPD access completion before checking for timeout
  PCI: Add PCI_DEVICE_DATA() macro to fully describe device ID entry
  PCI: Match Root Port's MPS to endpoint's MPSS as necessary
  PCI: Skip MPS logic for Virtual Functions (VFs)
  PCI: Add function 1 DMA alias quirk for Marvell 88SS9183
  PCI: Check for PCIe Link downtraining
  PCI: Add ACS Redirect disable quirk for Intel Sunrise Point
  PCI: Add device-specific ACS Redirect disable infrastructure
  PCI: Convert device-specific ACS quirks from NULL termination to ARRAY_SIZE
  PCI: Add "pci=disable_acs_redir=" parameter for peer-to-peer support
  PCI: Allow specifying devices using a base bus and path of devfns
  PCI: Make specifying PCI devices in kernel parameters reusable
  PCI: Hide ACS quirk declarations inside PCI core
  PCI: Delay after FLR of Intel DC P3700 NVMe
  PCI: Disable Samsung SM961/PM961 NVMe before FLR
  PCI: Export pcie_has_flr()
  PCI: mvebu: Drop bogus comment above mvebu_pcie_map_registers()
  ...
2018-08-16 09:21:54 -07:00
Linus Torvalds
f91e654474 Merge branch 'next-integrity' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security
Pull integrity updates from James Morris:
 "This adds support for EVM signatures based on larger digests, contains
  a new audit record AUDIT_INTEGRITY_POLICY_RULE to differentiate the
  IMA policy rules from the IMA-audit messages, addresses two deadlocks
  due to either loading or searching for crypto algorithms, and cleans
  up the audit messages"

* 'next-integrity' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security:
  EVM: fix return value check in evm_write_xattrs()
  integrity: prevent deadlock during digsig verification.
  evm: Allow non-SHA1 digital signatures
  evm: Don't deadlock if a crypto algorithm is unavailable
  integrity: silence warning when CONFIG_SECURITYFS is not enabled
  ima: Differentiate auditing policy rules from "audit" actions
  ima: Do not audit if CONFIG_INTEGRITY_AUDIT is not set
  ima: Use audit_log_format() rather than audit_log_string()
  ima: Call audit_log_string() rather than logging it untrusted
2018-08-15 22:54:12 -07:00
Linus Torvalds
c715ebeb03 Merge branch 'next-tpm' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security
Pull TPM updates from James Morris:

 - Migrate away from PM runtime as explicit cmdReady/goIdle transactions
   for every command is a spec requirement. PM runtime adds only a layer
   of complexity on our case.

 - tpm_tis drivers can now specify the hwrng quality.

 - TPM 2.0 code uses now tpm_buf for constructing messages. Jarkko
   thinks Tomas Winkler has done the same for TPM 1.2, and will start
   digging those changes from the patchwork in the near future.

 - Bug fixes and clean ups

* 'next-tpm' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security:
  ima: Get rid of ima_used_chip and use ima_tpm_chip != NULL instead
  ima: Use tpm_default_chip() and call TPM functions with a tpm_chip
  tpm: replace TPM_TRANSMIT_RAW with TPM_TRANSMIT_NESTED
  tpm: Convert tpm_find_get_ops() to use tpm_default_chip()
  tpm: Implement tpm_default_chip() to find a TPM chip
  tpm: rename tpm_chip_find_get() to tpm_find_get_ops()
  tpm: Allow tpm_tis drivers to set hwrng quality.
  tpm: Return the actual size when receiving an unsupported command
  tpm: separate cmd_ready/go_idle from runtime_pm
  tpm/tpm_i2c_infineon: switch to i2c_lock_bus(..., I2C_LOCK_SEGMENT)
  tpm_tis_spi: Pass the SPI IRQ down to the driver
  tpm: migrate tpm2_get_random() to use struct tpm_buf
  tpm: migrate tpm2_get_tpm_pt() to use struct tpm_buf
  tpm: migrate tpm2_probe() to use struct tpm_buf
  tpm: migrate tpm2_shutdown() to use struct tpm_buf
2018-08-15 22:51:12 -07:00
Linus Torvalds
04743f89bc Merge branch 'next-smack' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security
Pull smack updates from James Morris:
 "Minor fixes from Piotr Sawicki"

* 'next-smack' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security:
  Smack: Inform peer that IPv6 traffic has been blocked
  Smack: Check UDP-Lite and DCCP protocols during IPv6 handling
  Smack: Fix handling of IPv4 traffic received by PF_INET6 sockets
2018-08-15 22:49:04 -07:00
Linus Torvalds
5bae2be4ef Just one jfs patch for 4.19
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Merge tag 'jfs-4.19' of git://github.com/kleikamp/linux-shaggy

Pull jfs update from David Kleikamp:
 "Just one jfs patch for 4.19"

* tag 'jfs-4.19' of git://github.com/kleikamp/linux-shaggy:
  jfs: use time64_t for otime
2018-08-15 22:47:23 -07:00
Linus Torvalds
2b2f2aedba gfs2 4.19 merge
Changes on top of v4.18-rc1 / iomap-4.19-merge-1:
 
 1. Iomap support for buffered writes and for direct I/O.
 2. Two patches that reduce the size of struct gfs2_inode.
 3. Lots of fixes and cleanups.
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Merge tag 'gfs2-4.19.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2

Pull gfs2 updates from Andreas Gruenbacher:

 - iomap support for buffered writes and for direct I/O

 - two patches that reduce the size of struct gfs2_inode

 - lots of fixes and cleanups

* tag 'gfs2-4.19.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2: (25 commits)
  gfs2: eliminate update_rgrp_lvb_unlinked
  gfs2: Fix gfs2_testbit to use clone bitmaps
  gfs2: Get rid of gfs2_ea_strlen
  gfs2: cleanup: call gfs2_rgrp_ondisk2lvb from gfs2_rgrp_out
  gfs2: Special-case rindex for gfs2_grow
  GFS2: rgrp free blocks used incorrectly
  gfs2: remove redundant variable 'moved'
  gfs2: use iomap_readpage for blocksize == PAGE_SIZE
  gfs2: Use iomap for stuffed direct I/O reads
  gfs2: fallocate_chunk: Always initialize struct iomap
  GFS2: Fix recovery issues for spectators
  fs: gfs2: Adding new return type vm_fault_t
  gfs2: using posix_acl_xattr_size instead of posix_acl_to_xattr
  gfs2: Don't reject a supposedly full bitmap if we have blocks reserved
  gfs2: Eliminate redundant ip->i_rgd
  gfs2: Stop messing with ip->i_rgd in the rlist code
  gfs2: Remove gfs2_write_{begin,end}
  gfs2: iomap direct I/O support
  gfs2: gfs2_extent_length cleanup
  gfs2: iomap buffered write support
  ...
2018-08-15 22:40:03 -07:00
Linus Torvalds
72f02ba66b SCSI misc on 20180815
This is mostly updates to the usual drivers: mpt3sas, lpfc, qla2xxx,
 hisi_sas, smartpqi, megaraid_sas, arcmsr.  In addition, with the
 continuing absence of Nic we have target updates for tcmu and target
 core (all with reviews and acks).  The biggest observable change is
 going to be that we're (again) trying to switch to mulitqueue as the
 default (a user can still override the setting on the kernel command
 line).  Other major core stuff is the removal of the remaining
 Microchannel drivers, an update of the internal timers and some
 reworks of completion and result handling.
 
 Signed-off-by: James E.J. Bottomley <jejb@linux.vnet.ibm.com>
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Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull SCSI updates from James Bottomley:
 "This is mostly updates to the usual drivers: mpt3sas, lpfc, qla2xxx,
  hisi_sas, smartpqi, megaraid_sas, arcmsr.

  In addition, with the continuing absence of Nic we have target updates
  for tcmu and target core (all with reviews and acks).

  The biggest observable change is going to be that we're (again) trying
  to switch to mulitqueue as the default (a user can still override the
  setting on the kernel command line).

  Other major core stuff is the removal of the remaining Microchannel
  drivers, an update of the internal timers and some reworks of
  completion and result handling"

* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (203 commits)
  scsi: core: use blk_mq_run_hw_queues in scsi_kick_queue
  scsi: ufs: remove unnecessary query(DM) UPIU trace
  scsi: qla2xxx: Fix issue reported by static checker for qla2x00_els_dcmd2_sp_done()
  scsi: aacraid: Spelling fix in comment
  scsi: mpt3sas: Fix calltrace observed while running IO & reset
  scsi: aic94xx: fix an error code in aic94xx_init()
  scsi: st: remove redundant pointer STbuffer
  scsi: qla2xxx: Update driver version to 10.00.00.08-k
  scsi: qla2xxx: Migrate NVME N2N handling into state machine
  scsi: qla2xxx: Save frame payload size from ICB
  scsi: qla2xxx: Fix stalled relogin
  scsi: qla2xxx: Fix race between switch cmd completion and timeout
  scsi: qla2xxx: Fix Management Server NPort handle reservation logic
  scsi: qla2xxx: Flush mailbox commands on chip reset
  scsi: qla2xxx: Fix unintended Logout
  scsi: qla2xxx: Fix session state stuck in Get Port DB
  scsi: qla2xxx: Fix redundant fc_rport registration
  scsi: qla2xxx: Silent erroneous message
  scsi: qla2xxx: Prevent sysfs access when chip is down
  scsi: qla2xxx: Add longer window for chip reset
  ...
2018-08-15 22:06:26 -07:00
Linus Torvalds
db06f826ec The new and exciting feature this time around is in the clk core.
We've added duty cycle support to the clk API so that clk signal
 duty cycle ratios can be adjusted while taking into account things
 like clk dividers and clk tree hierarchy. So far only one SoC has
 implemented support for this, but I expect there will be more to
 come in the future.
 
 Outside of the core, we have the usual pile of clk driver updates
 and additions. The Amlogic meson driver got the most lines in the
 diffstat this time around because it added support for a whole bunch
 of hardware and duty cycle configuration. After that the Rockchip PX30,
 Qualcomm SDM845, and Renesas SoC drivers fill in a majority of the diff.
 We're left with the collection of non-critical fixes after that. Overall
 it looks pretty quiet this time.
 
 Core:
  - Clk duty cycle support
  - Proper CLK_SET_RATE_GATE support throughout the tree
 
 New Drivers:
  - Actions Semi Owl series S700 SoC clk driver
  - Qualcomm SDM845 display clock controller
  - i.MX6SX ocram_s clk support
  - Uniphier NAND, USB3 PHY, and SPI clk support
  - Qualcomm RPMh clk driver
  - i.MX7D mailbox clk support
  - Maxim 9485 Programmable Clock Generator
  - Expose 32 kHz PLL on PXA SoCs
  - imx6sll GPIO clk gate support
  - Atmel at91 I2S audio clk support
  - SI544/SI514 clk on/off support
  - i.MX6UL GPIO clock gates in CCM CCGR
  - Renesas Crypto Engine clocks on R-Car H3
  - Renesas clk support for the new RZ/N1D SoC
  - Allwinner A64 display engine clock support
  - Support for Rockchip's PX30 SoC
  - Amlogic Meson axg PCIe and audio clocks
  - Amlogic Meson GEN CLK on gxbb, gxl and axg
 
 Updates:
  - Remove an unused variable from Exynos4412 ISP driver
  - Fix a thinko bug in SCMI clk division logic
  - Add missing of_node_put()s in some i.MX clk drivers
  - Tegra SDMMC clk jitter improvements with high speed signaling modes
  - SPDX tagging for qcom and cs2000-cp drivers
  - Stop leaking con ids in __clk_put()
  - Fix a corner case in fixed factor clk probing where node is in DT but
    parent clk is registered much later
  - Marvell Armada 3700 clk_pm_cpu_get_parent() had an invalid return value
  - i.MX clk init arrays removed in place of CLK_IS_CRITICAL
  - Convert to CLK_IS_CRITICAL for i.MX51/53 driver
  - Fix Tegra BPMP driver oops when xlating a NULL clk
  - Proper default configuration for vic03 and vde clks on Tegra124
  - Mark Tegra memory controller clks as critical
  - Fix array bounds clamp in Tegra's emc determine_rate() op
  - Ingenic i2s bit update and allow UDC clk to gate
  - Fix name of aspeed SDC clk define to have only one 'CLK'
  - Fix i.MX6QDL video clk parent
  - Critical clk markings for qcom SDM845
  - Fix Stratix10 mpu_free_clk and sdmmc_free_clk parents
  - Mark Rockchip's pclk_rkpwm_pmu as critical clock, due to it supplying
    the pwm used to drive the logic supply of the rk3399 core.
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Merge tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux

Pull clk updates from Stephen Boyd:
 "The new and exciting feature this time around is in the clk core.
  We've added duty cycle support to the clk API so that clk signal duty
  cycle ratios can be adjusted while taking into account things like clk
  dividers and clk tree hierarchy. So far only one SoC has implemented
  support for this, but I expect there will be more to come in the
  future.

  Outside of the core, we have the usual pile of clk driver updates and
  additions. The Amlogic meson driver got the most lines in the diffstat
  this time around because it added support for a whole bunch of
  hardware and duty cycle configuration. After that the Rockchip PX30,
  Qualcomm SDM845, and Renesas SoC drivers fill in a majority of the
  diff. We're left with the collection of non-critical fixes after that.
  Overall it looks pretty quiet this time.

  Core:
   - Clk duty cycle support
   - Proper CLK_SET_RATE_GATE support throughout the tree

  New Drivers:
   - Actions Semi Owl series S700 SoC clk driver
   - Qualcomm SDM845 display clock controller
   - i.MX6SX ocram_s clk support
   - Uniphier NAND, USB3 PHY, and SPI clk support
   - Qualcomm RPMh clk driver
   - i.MX7D mailbox clk support
   - Maxim 9485 Programmable Clock Generator
   - expose 32 kHz PLL on PXA SoCs
   - imx6sll GPIO clk gate support
   - Atmel at91 I2S audio clk support
   - SI544/SI514 clk on/off support
   - i.MX6UL GPIO clock gates in CCM CCGR
   - Renesas Crypto Engine clocks on R-Car H3
   - Renesas clk support for the new RZ/N1D SoC
   - Allwinner A64 display engine clock support
   - support for Rockchip's PX30 SoC
   - Amlogic Meson axg PCIe and audio clocks
   - Amlogic Meson GEN CLK on gxbb, gxl and axg

  Updates:
   - remove an unused variable from Exynos4412 ISP driver
   - fix a thinko bug in SCMI clk division logic
   - add missing of_node_put()s in some i.MX clk drivers
   - Tegra SDMMC clk jitter improvements with high speed signaling modes
   - SPDX tagging for qcom and cs2000-cp drivers
   - stop leaking con ids in __clk_put()
   - fix a corner case in fixed factor clk probing where node is in DT
     but parent clk is registered much later
   - Marvell Armada 3700 clk_pm_cpu_get_parent() had an invalid return
     value
   - i.MX clk init arrays removed in place of CLK_IS_CRITICAL
   - convert to CLK_IS_CRITICAL for i.MX51/53 driver
   - fix Tegra BPMP driver oops when xlating a NULL clk
   - proper default configuration for vic03 and vde clks on Tegra124
   - mark Tegra memory controller clks as critical
   - fix array bounds clamp in Tegra's emc determine_rate() op
   - Ingenic i2s bit update and allow UDC clk to gate
   - fix name of aspeed SDC clk define to have only one 'CLK'
   - fix i.MX6QDL video clk parent
   - critical clk markings for qcom SDM845
   - fix Stratix10 mpu_free_clk and sdmmc_free_clk parents
   - mark Rockchip's pclk_rkpwm_pmu as critical clock, due to it
     supplying the pwm used to drive the logic supply of the rk3399
     core"

* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (85 commits)
  clk: rockchip: Add pclk_rkpwm_pmu to PMU critical clocks in rk3399
  clk: cs2000-cp: convert to SPDX identifiers
  clk: scmi: Fix the rounding of clock rate
  clk: qcom: Add display clock controller driver for SDM845
  clk: mvebu: armada-37xx-periph: Remove unused var num_parents
  clk: samsung: Remove unused mout_user_aclk400_mcuisp_p4x12 variable
  clk: actions: Add S700 SoC clock support
  dt-bindings: clock: Add S700 support for Actions Semi Soc's
  clk: actions: Add missing REGMAP_MMIO dependency
  clk: uniphier: add clock frequency support for SPI
  clk: uniphier: add more USB3 PHY clocks
  clk: uniphier: add NAND 200MHz clock
  clk: tegra: make sdmmc2 and sdmmc4 as sdmmc clocks
  clk: tegra: Add sdmmc mux divider clock
  clk: tegra: Refactor fractional divider calculation
  clk: tegra: Fix includes required by fence_udelay()
  clk: imx6sll: fix missing of_node_put()
  clk: imx6ul: fix missing of_node_put()
  clk: imx: add ocram_s clock for i.mx6sx
  clk: mvebu: armada-37xx-periph: Fix wrong return value in get_parent
  ...
2018-08-15 21:41:21 -07:00
Linus Torvalds
6de4c691ea This is the bulk of GPIO changes for the v4.19 kernel cycle:
Core changes:
 
 - Add a new API for explicitly naming GPIO consumers, when needed.
 
 - Don't let userspace set values on input lines. While we do not
   think anyone would do this crazy thing we better plug the hole
   before someone uses it and think it's a nifty feature.
 
 - Avoid calling chip->request() for unused GPIOs.
 
 New drivers/subdrivers:
 
 - The Mediatek MT7621 is supported which is a big win for OpenWRT
   and similar router distributions using this chip, as it seems
   every major router manufacturer on the planet has made products
   using this chip:
   https://wikidevi.com/wiki/MediaTek_MT7621
 
 - The Tegra 194 is now supported.
 
 - The IT87 driver now supports IT8786E and IT8718F super-IO
   chips.
 
 - Add support for Rockchip RK3328 in the syscon GPIO driver.
 
 Driver changes:
 
 - Handle the get/set_multiple() properly on MMIO chips with
   inverted direction registers. We didn't have this problem
   until a new chip appear that has get/set registers AND
   inverted direction bits, OK now we handle it.
 
 - A patch series making more error codes percolate upward
   properly for different errors on gpiochip_lock_as_irq().
 
 - Get/set multiple for the OMAP driver, accelerating these
   multiple line operations if possible.
 
 - A coprocessor interface for the Aspeed driver. Sometimes a few
   GPIO lines need to be grabbed by a co-processor for doing
   automated tasks, sometimes they are available as GPIO lines.
   By adding an explicit API in this driver we make it possible
   for the two line consumers to coexist. (This work was
   made available on the ib-aspeed branch, which may be appearing
   in other pull requests.)
 
 - Implemented .get_direction() and open drain in the SCH311x
   driver.
 
 - Continuing cleanup of included headers in GPIO drivers.
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Merge tag 'gpio-v4.19-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio

Pull GPIO updates from Linus Walleij:
 "This is the bulk of GPIO changes for the v4.19 kernel cycle.

  I don't know if anything in particular stands out. Maybe the Aspeed
  coprocessor thing from Benji: Aspeed is doing baseboard management
  chips (BMC's) for servers etc.

  These Aspeed's are ARM processors that exist inside (I guess) Intel
  servers, and they are moving forward to using mainline Linux in those.
  This is one of the pieces of the puzzle to achive that. They are doing
  OpenBMC, it's pretty cool: https://lwn.net/Articles/683320/

  Summary:

  Core changes:

   - Add a new API for explicitly naming GPIO consumers, when needed.

   - Don't let userspace set values on input lines. While we do not
     think anyone would do this crazy thing we better plug the hole
     before someone uses it and think it's a nifty feature.

   - Avoid calling chip->request() for unused GPIOs.

  New drivers/subdrivers:

   - The Mediatek MT7621 is supported which is a big win for OpenWRT and
     similar router distributions using this chip, as it seems every
     major router manufacturer on the planet has made products using
     this chip: https://wikidevi.com/wiki/MediaTek_MT7621

   - The Tegra 194 is now supported.

   - The IT87 driver now supports IT8786E and IT8718F super-IO chips.

   - Add support for Rockchip RK3328 in the syscon GPIO driver.

  Driver changes:

   - Handle the get/set_multiple() properly on MMIO chips with inverted
     direction registers. We didn't have this problem until a new chip
     appear that has get/set registers AND inverted direction bits, OK
     now we handle it.

   - A patch series making more error codes percolate upward properly
     for different errors on gpiochip_lock_as_irq().

   - Get/set multiple for the OMAP driver, accelerating these multiple
     line operations if possible.

   - A coprocessor interface for the Aspeed driver. Sometimes a few GPIO
     lines need to be grabbed by a co-processor for doing automated
     tasks, sometimes they are available as GPIO lines. By adding an
     explicit API in this driver we make it possible for the two line
     consumers to coexist. (This work was made available on the
     ib-aspeed branch, which may be appearing in other pull requests.)

   - Implemented .get_direction() and open drain in the SCH311x driver.

   - Continuing cleanup of included headers in GPIO drivers"

* tag 'gpio-v4.19-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: (80 commits)
  gpio: it87: Add support for IT8613
  gpio: it87: add support for IT8718F Super I/O.
  gpiolib: Avoid calling chip->request() for unused gpios
  gpio: tegra: Include the right header
  gpio: mmio: Fix up inverted direction registers
  gpio: xilinx: Use the right include
  gpio: timberdale: Include the right header
  gpio: tb10x: Use the right include
  gpiolib: Fix of_node inconsistency
  gpio: vr41xx: Bail out on gpiochip_lock_as_irq() error
  gpio: uniphier: Bail out on gpiochip_lock_as_irq() error
  gpio: xgene-sb: Don't shadow error code of gpiochip_lock_as_irq()
  gpio: em: Don't shadow error code of gpiochip_lock_as_irq()
  gpio: dwapb: Don't shadow error code of gpiochip_lock_as_irq()
  gpio: bcm-kona: Don't shadow error code of gpiochip_lock_as_irq()
  gpiolib: Don't shadow error code of gpiochip_lock_as_irq()
  gpio: syscon: rockchip: add GRF GPIO support for rk3328
  gpio: omap: Add get/set_multiple() callbacks
  gpio: pxa: remove set but not used variable 'gpio_offset'
  gpio-it87: add support for IT8786E Super I/O
  ...
2018-08-15 21:35:38 -07:00
Linus Torvalds
c1c2ad82c7 * Add support for systems with PCI segmented buses to sb_edac, by Masayoshi Mizuma
* The usual pile of fixes and cleanups
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Merge tag 'edac_for_4.19' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp

Pull EDAC updates from Borislav Petkov:

 - Add support for systems with PCI segmented buses to sb_edac, by
   Masayoshi Mizuma

 - The usual pile of fixes and cleanups

* tag 'edac_for_4.19' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp:
  EDAC, sb_edac: Add support for systems with segmented PCI buses
  EDAC, thunderx: Remove VLA usage
  EDAC, i7core: Fix memleaks and use-after-free on probe and remove
  EDAC: Fix memleak in module init error path
  EDAC, altera: Fix an error handling path in altr_s10_sdram_probe()
2018-08-15 21:31:19 -07:00
Linus Torvalds
99a2c789dd Some changes to trust cpu-based hwrng (such as RDRAND) for
initializing hashed pointers and (optionally, controlled by a config
 option) to initialize the CRNG to avoid boot hangs.
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Merge tag 'random_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/random

Pull random updates from Ted Ts'o:
 "Some changes to trust cpu-based hwrng (such as RDRAND) for
  initializing hashed pointers and (optionally, controlled by a config
  option) to initialize the CRNG to avoid boot hangs"

* tag 'random_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/random:
  random: Make crng state queryable
  random: remove preempt disabled region
  random: add a config option to trust the CPU's hwrng
  vsprintf: Add command line option debug_boot_weak_hash
  vsprintf: Use hw RNG for ptr_key
  random: Return nbytes filled from hw RNG
  random: Fix whitespace pre random-bytes work
2018-08-15 21:16:02 -07:00
Linus Torvalds
fa3b39cdaf Two improvements for .clang-format:
- Set IndentWrappedFunctionNames false
     From Jason Gunthorpe
 
   - Add MAINTAINERS entry
     From Miguel Ojeda
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Merge tag 'clang-format-for-linus-v4.19' of git://github.com/ojeda/linux

Pull clang-format updates from Miguel Ojeda:
 "Two improvements for .clang-format:

   - Set IndentWrappedFunctionNames false (Jason Gunthorpe)

   - Add MAINTAINERS entry (Miguel Ojeda)"

* tag 'clang-format-for-linus-v4.19' of git://github.com/ojeda/linux:
  MAINTAINERS: Add .clang-format entry
  clang-format: Set IndentWrappedFunctionNames false
2018-08-15 20:38:23 -07:00
Linus Torvalds
25ca1d74c6 Two cleanups for char_lcd:
- simplify getting .drvdata
     From Wolfram Sang
 
   - delete mdelay in long_sleep
     From Jia-Ju Bai
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Merge tag 'auxdisplay-for-linus-v4.19' of git://github.com/ojeda/linux

Pull auxdisplay updates from Miguel Ojeda:
 "Two cleanups for char_lcd:

   - simplify getting .drvdata (Wolfram Sang)

   - delete mdelay in long_sleep (Jia-Ju Bai)"

* tag 'auxdisplay-for-linus-v4.19' of git://github.com/ojeda/linux:
  auxdisplay: simplify getting .drvdata
  auxdisplay: charlcd: delete mdelay in long_sleep
2018-08-15 19:23:24 -07:00
Linus Torvalds
70b20dd7f8 ALSA: update dell-wmi mic-mute registration to new world order
Commit c647f806b8 ("ALSA: hda - Allow multiple ADCs for mic mute LED
controls") changed the return value of the snd_hda_gen_add_micmute_led()
without actually updating the callers.

Admittedly, almost no callers actually cared about the return value.
But one call site very much did: the Dell wmi code.  It would see the
registration return zero, which _used_ to mean "failed" but now means
"success", and clear the dell_micmute_led_set_func pointer.

End result: the successful registration would end up calling the Dell
code that thought it had all failed, and call through a NULL pointer.

To make matters worse, it ends up being a tail-call, and with the
retpoline sequence you don't even see the caller (dell_micmute_update())
in the stack trace, so the error ended up way less obvious than it
should have been.

Fixes: c647f806b8 "ALSA: hda - Allow multiple ADCs for mic mute LED controls"
Cc: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2018-08-15 19:08:10 -07:00
Linus Torvalds
71f3a82fab media updates for v4.19-rc1
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Merge tag 'media/v4.19-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media

Pull media updates from Mauro Carvalho Chehab:

 - new Socionext MN88443x ISDB-S/T demodulator driver: mn88443x

 - new sensor drivers: ak7375, ov2680 and rj54n1cb0c

 - an old soc-camera sensor driver converted to the V4L2 framework:
   mt9v111

 - a new Voice-Coil Motor (VCM) driver: dw9807-vcm

 - some cleanups at cx25821, removing legacy unused code

 - some improvements at ddbridge driver

 - new platform driver: vicodec

 - some DVB API cleanups, removing ioctls and compat code for old
   out-of-tree drivers that were never merged upstream

 - improvements at DVB core to support frontents that support both
   Satellite and non-satellite delivery systems

 - got rid of the unused VIDIOC_RESERVED V4L2 ioctl

 - some cleanups/improvements at gl861 ISDB driver

 - several improvements on ov772x, ov7670 and ov5640, imx274, ov5645,
   and smiapp sensor drivers

 - fixes at em28xx to support dual TS devices

 - some cleanups at V4L2/VB2 locking logic

 - some API improvements at media controller

 - some cec core and drivers improvements

 - some uvcvideo improvements

 - some improvements at platform drivers: stm32-dcmi, rcar-vin, coda,
   reneseas-ceu, imx, vsp1, venus, camss

 - lots of other cleanups and fixes

* tag 'media/v4.19-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (406 commits)
  Revert "media: vivid: shut up warnings due to a non-trivial logic"
  siano: get rid of an unused return code for debugfs register
  media: isp: fix a warning about a wrong struct initializer
  media: radio-wl1273: fix return code for the polling routine
  media: s3c-camif: fix return code for the polling routine
  media: saa7164: fix return codes for the polling routine
  media: exynos-gsc: fix return code if mutex was interrupted
  media: mt9v111: Fix build error with no VIDEO_V4L2_SUBDEV_API
  media: xc4000: get rid of uneeded casts
  media: drxj: get rid of uneeded casts
  media: tuner-xc2028: don't use casts for printing sizes
  media: cleanup fall-through comments
  media: vivid: shut up warnings due to a non-trivial logic
  media: rtl28xxu: be sure that it won't go past the array size
  media: mt9v111: avoid going past the buffer
  media: vsp1_dl: add a description for cmdpool field
  media: sta2x11: add a missing parameter description
  media: v4l2-mem2mem: add descriptions to MC fields
  media: i2c: fix warning in Aptina MT9V111
  media: imx: shut up a false positive warning
  ...
2018-08-15 18:29:14 -07:00
Linus Torvalds
54dbe75bbf drm pull for 4.19-rc1
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Merge tag 'drm-next-2018-08-15' of git://anongit.freedesktop.org/drm/drm

Pull drm updates from Dave Airlie:
 "This is the main drm pull request for 4.19.

  Rob has some new hardware support for new qualcomm hw that I'll send
  along separately. This has the display part of it, the remaining pull
  is for the acceleration engine.

  This also contains a wound-wait/wait-die mutex rework, Peter has acked
  it for merging via my tree.

  Otherwise mostly the usual level of activity. Summary:

  core:
   - Wound-wait/wait-die mutex rework
   - Add writeback connector type
   - Add "content type" property for HDMI
   - Move GEM bo to drm_framebuffer
   - Initial gpu scheduler documentation
   - GPU scheduler fixes for dying processes
   - Console deferred fbcon takeover support
   - Displayport support for CEC tunneling over AUX

  panel:
   - otm8009a panel driver fixes
   - Innolux TV123WAM and G070Y2-L01 panel driver
   - Ilitek ILI9881c panel driver
   - Rocktech RK070ER9427 LCD
   - EDT ETM0700G0EDH6 and EDT ETM0700G0BDH6
   - DLC DLC0700YZG-1
   - BOE HV070WSA-100
   - newhaven, nhd-4.3-480272ef-atxl LCD
   - DataImage SCF0700C48GGU18
   - Sharp LQ035Q7DB03
   - p079zca: Refactor to support multiple panels

  tinydrm:
   - ILI9341 display panel

  New driver:
   - vkms - virtual kms driver to testing.

  i915:
   - Icelake:
        Display enablement
        DSI support
        IRQ support
        Powerwell support
   - GPU reset fixes and improvements
   - Full ppgtt support refactoring
   - PSR fixes and improvements
   - Execlist improvments
   - GuC related fixes

  amdgpu:
   - Initial amdgpu documentation
   - JPEG engine support on VCN
   - CIK uses powerplay by default
   - Move to using core PCIE functionality for gens/lanes
   - DC/Powerplay interface rework
   - Stutter mode support for RV
   - Vega12 Powerplay updates
   - GFXOFF fixes
   - GPUVM fault debugging
   - Vega12 GFXOFF
   - DC improvements
   - DC i2c/aux changes
   - UVD 7.2 fixes
   - Powerplay fixes for Polaris12, CZ/ST
   - command submission bo_list fixes

  amdkfd:
   - Raven support
   - Power management fixes

  udl:
   - Cleanups and fixes

  nouveau:
   - misc fixes and cleanups.

  msm:
   - DPU1 support display controller in sdm845
   - GPU coredump support.

  vmwgfx:
   - Atomic modesetting validation fixes
   - Support for multisample surfaces

  armada:
   - Atomic modesetting support completed.

  exynos:
   - IPPv2 fixes
   - Move g2d to component framework
   - Suspend/resume support cleanups
   - Driver cleanups

  imx:
   - CSI configuration improvements
   - Driver cleanups
   - Use atomic suspend/resume helpers
   - ipu-v3 V4L2 XRGB32/XBGR32 support

  pl111:
   - Add Nomadik LCDC variant

  v3d:
   - GPU scheduler jobs management

  sun4i:
   - R40 display engine support
   - TCON TOP driver

  mediatek:
   - MT2712 SoC support

  rockchip:
   - vop fixes

  omapdrm:
   - Workaround for DRA7 errata i932
   - Fix mm_list locking

  mali-dp:
   - Writeback implementation
        PM improvements
   - Internal error reporting debugfs

  tilcdc:
   - Single fix for deferred probing

  hdlcd:
   - Teardown fixes

  tda998x:
   - Converted to a bridge driver.

  etnaviv:
   - Misc fixes"

* tag 'drm-next-2018-08-15' of git://anongit.freedesktop.org/drm/drm: (1506 commits)
  drm/amdgpu/sriov: give 8s for recover vram under RUNTIME
  drm/scheduler: fix param documentation
  drm/i2c: tda998x: correct PLL divider calculation
  drm/i2c: tda998x: get rid of private fill_modes function
  drm/i2c: tda998x: move mode_valid() to bridge
  drm/i2c: tda998x: register bridge outside of component helper
  drm/i2c: tda998x: cleanup from previous changes
  drm/i2c: tda998x: allocate tda998x_priv inside tda998x_create()
  drm/i2c: tda998x: convert to bridge driver
  drm/scheduler: fix timeout worker setup for out of order job completions
  drm/amd/display: display connected to dp-1 does not light up
  drm/amd/display: update clk for various HDMI color depths
  drm/amd/display: program display clock on cache match
  drm/amd/display: Add NULL check for enabling dp ss
  drm/amd/display: add vbios table check for enabling dp ss
  drm/amd/display: Don't share clk source between DP and HDMI
  drm/amd/display: Fix DP HBR2 Eye Diagram Pattern on Carrizo
  drm/amd/display: Use calculated disp_clk_khz value for dce110
  drm/amd/display: Implement custom degamma lut on dcn
  drm/amd/display: Destroy aux_engines only once
  ...
2018-08-15 17:39:07 -07:00
Linus Torvalds
dafa5f6577 Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto updates from Herbert Xu:
 "API:
   - Fix dcache flushing crash in skcipher.
   - Add hash finup self-tests.
   - Reschedule during speed tests.

  Algorithms:
   - Remove insecure vmac and replace it with vmac64.
   - Add public key verification for DH/ECDH.

  Drivers:
   - Decrease priority of sha-mb on x86.
   - Improve NEON latency/throughput on ARM64.
   - Add md5/sha384/sha512/des/3des to inside-secure.
   - Support eip197d in inside-secure.
   - Only register algorithms supported by the host in virtio.
   - Add cts and remove incompatible cts1 from ccree.
   - Add hisilicon SEC security accelerator driver.
   - Replace msm hwrng driver with qcom pseudo rng driver.

  Misc:
   - Centralize CRC polynomials"

* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (121 commits)
  crypto: arm64/ghash-ce - implement 4-way aggregation
  crypto: arm64/ghash-ce - replace NEON yield check with block limit
  crypto: hisilicon - sec_send_request() can be static
  lib/mpi: remove redundant variable esign
  crypto: arm64/aes-ce-gcm - don't reload key schedule if avoidable
  crypto: arm64/aes-ce-gcm - implement 2-way aggregation
  crypto: arm64/aes-ce-gcm - operate on two input blocks at a time
  crypto: dh - make crypto_dh_encode_key() make robust
  crypto: dh - fix calculating encoded key size
  crypto: ccp - Check for NULL PSP pointer at module unload
  crypto: arm/chacha20 - always use vrev for 16-bit rotates
  crypto: ccree - allow bigger than sector XTS op
  crypto: ccree - zero all of request ctx before use
  crypto: ccree - remove cipher ivgen left overs
  crypto: ccree - drop useless type flag during reg
  crypto: ablkcipher - fix crash flushing dcache in error path
  crypto: blkcipher - fix crash flushing dcache in error path
  crypto: skcipher - fix crash flushing dcache in error path
  crypto: skcipher - remove unnecessary setting of walk->nbytes
  crypto: scatterwalk - remove scatterwalk_samebuf()
  ...
2018-08-15 16:01:47 -07:00