Pull Ceph updates from Sage Weil:
"There are several patches from Ilya fixing RBD allocation lifecycle
issues, a series adding a nocephx_sign_messages option (and associated
bug fixes/cleanups), several patches from Zheng improving the
(directory) fsync behavior, a big improvement in IO for direct-io
requests when striping is enabled from Caifeng, and several other
small fixes and cleanups"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client:
libceph: clear msg->con in ceph_msg_release() only
libceph: add nocephx_sign_messages option
libceph: stop duplicating client fields in messenger
libceph: drop authorizer check from cephx msg signing routines
libceph: msg signing callouts don't need con argument
libceph: evaluate osd_req_op_data() arguments only once
ceph: make fsync() wait unsafe requests that created/modified inode
ceph: add request to i_unsafe_dirops when getting unsafe reply
libceph: introduce ceph_x_authorizer_cleanup()
ceph: don't invalidate page cache when inode is no longer used
rbd: remove duplicate calls to rbd_dev_mapping_clear()
rbd: set device_type::release instead of device::release
rbd: don't free rbd_dev outside of the release callback
rbd: return -ENOMEM instead of pool id if rbd_dev_create() fails
libceph: use local variable cursor instead of &msg->cursor
libceph: remove con argument in handle_reply()
ceph: combine as many iovec as possile into one OSD request
ceph: fix message length computation
ceph: fix a comment typo
rbd: drop null test before destroy functions
wait; these include some improvements to the suggestions for email clients
and patch submission.
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Merge tag '4.4-additional' of git://git.lwn.net/linux
Pull more documentation updates from Jon Corbet:
"A few more documentation patches that wandered in and have no reason
to wait; these include some improvements to the suggestions for email
clients and patch submission"
* tag '4.4-additional' of git://git.lwn.net/linux:
Documentation: Add minimal Mutt config for using Gmail
Documentation: Add note on sending files directly with Mutt
Documentation: dontdiff: remove media from dontdiff
Documentation/SubmittingPatches: discuss In-Reply-To
Remove email address from Documentation/filesystems/overlayfs.txt
can-doc: Add missing semicolon to example
Pull drm sti driver updates from Dave Airlie:
"The sti driver had a requirement on some patches in Greg's tree, they
are in, so I see no problems just merging this one now"
* 'drm-next' of git://people.freedesktop.org/~airlied/linux:
drm/sti: load HQVDP firmware the first time HQVDP's plane is used
drm/sti: fix typo issue in sti_mode_config_init
drm/sti: set mixer background color through module param
drm/sti: Remove local fbdev emulation Kconfig option
drm/sti: remove redundant sign extensions
drm/sti: hdmi use of_get_i2c_adapter_by_node interface
drm/sti: hdmi fix i2c adapter device refcounting
drm/sti: Do not export symbols
drm/sti: Build monolithic driver
drm/sti: Use drm_crtc_vblank_*() API
drm/sti: Store correct CRTC index in events
drm/sti: Select FW_LOADER
drm/sti: Constify function pointer structs
minimal fix; it would be better to reject such requests outright.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Mike Marshall <hubcap@omnibond.com>
The latter is never used, the former has one user and would be
better off spelled out right there.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Mike Marshall <hubcap@omnibond.com>
The only reason for that thing used to be the API of mount_nodev()
callback; since we are calling pvfs2_fill_sb() ourselves now,
we don't have to shove everything into a single structure.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Mike Marshall <hubcap@omnibond.com>
... and make the only caller use page-backed iov_iter,
getting rid of kmap/kunmap *and* of the bug with
attempted use of iovec-backed copy_page_to_iter()
on a kernel pointer.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Mike Marshall <hubcap@omnibond.com>
no need to build a copy of what the caller already has;
what's more, we want the one given to caller properly
advanced *and* we shouldn't depend upon it being an
iovec-backed one.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Mike Marshall <hubcap@omnibond.com>
copy_page_{to,from}_iter() advances it just fine *and* it has no
problem with partially consumed segments.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Mike Marshall <hubcap@omnibond.com>
incidentally, insane or compromised server returning *more* than
requested on read should not oops the kernel - initialize the
iov_iter for read according to the iovec we've got. That's why
pvfs_bufmap_copy_to_iovec() needed a separate size argument - we
shouldn't abuse iov_iter_count(iter) for passing that.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Mike Marshall <hubcap@omnibond.com>
When probing with a glob, errors in add_probe_trace_event() won't be
passed to debuginfo__find_trace_events() because it would be modified by
probe_point_search_cb(). It causes a segfault if perf fails to find an
argument for a probe point matched by the glob. For example:
# ./perf probe -v -n 'SyS_dup? oldfd'
probe-definition(0): SyS_dup? oldfd
symbol:SyS_dup? file:(null) line:0 offset:0 return:0 lazy:(null)
parsing arg: oldfd into oldfd
1 arguments
Looking at the vmlinux_path (7 entries long)
Using /lib/modules/4.3.0-rc4+/build/vmlinux for symbols
Open Debuginfo file: /lib/modules/4.3.0-rc4+/build/vmlinux
Try to find probe point from debuginfo.
Matched function: SyS_dup3
found inline addr: 0xffffffff812095c0
Probe point found: SyS_dup3+0
Searching 'oldfd' variable in context.
Converting variable oldfd into trace event.
oldfd type is long int.
found inline addr: 0xffffffff812096d4
Probe point found: SyS_dup2+36
Searching 'oldfd' variable in context.
Failed to find 'oldfd' in this function.
Matched function: SyS_dup3
Probe point found: SyS_dup3+0
Searching 'oldfd' variable in context.
Converting variable oldfd into trace event.
oldfd type is long int.
Matched function: SyS_dup2
Probe point found: SyS_dup2+0
Searching 'oldfd' variable in context.
Converting variable oldfd into trace event.
oldfd type is long int.
Found 4 probe_trace_events.
Opening /sys/kernel/debug/tracing//kprobe_events write=1
Writing event: p:probe/SyS_dup3 _text+2135488 oldfd=%di:s64
Segmentation fault (core dumped)
#
This patch ensures that add_probe_trace_event() doesn't touches
tf->ntevs and tf->tevs if those functions fail.
After the patch:
# perf probe 'SyS_dup? oldfd'
Failed to find 'oldfd' in this function.
Added new events:
probe:SyS_dup3 (on SyS_dup? with oldfd)
probe:SyS_dup3_1 (on SyS_dup? with oldfd)
probe:SyS_dup2 (on SyS_dup? with oldfd)
You can now use it in all perf tools, such as:
perf record -e probe:SyS_dup2 -aR sleep 1
Signed-off-by: Wang Nan <wangnan0@huawei.com>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Cc: Zefan Li <lizefan@huawei.com>
Cc: pi3orama@163.com
Link: http://lkml.kernel.org/r/1447417761-156094-3-git-send-email-wangnan0@huawei.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Fix memory leaking on the debuginfo__find_trace_events() failure path
which frees an array of probe_trace_events but doesn't clears all the
allocated sub-structures and strings.
So, before doing zfree(tevs), clear all the array elements which may
have allocated resources.
Reported-by: Wang Nan <wangnan0@huawei.com>
Signed-off-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Zefan Li <lizefan@huawei.com>
Cc: pi3orama@163.com
Link: http://lkml.kernel.org/r/1447417761-156094-2-git-send-email-wangnan0@huawei.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
'perf buildid-list' processes events to determine hits (i.e. with-hits
option). That may not work if events are not sorted in order. i.e. MMAP
events must be processed before the samples that depend on them so that
sample processing can 'hit' the DSO to which the MMAP refers.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Link: http://lkml.kernel.org/r/1447408112-1920-3-git-send-email-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Commit 4598a0a6d2 ("perf symbols: Improve DSO long names lookup speed
with rbtree") Added a tree to lookup dsos by long name. That tree gets
corrupted whenever a dso long name is changed because the tree is not
updated.
One effect of that is buildid-list does not work with the 'with-hits'
option because dso lookup fails and results in two structs for the same
dso. The first has the buildid but no hits, the second has hits but no
buildid. e.g.
Before:
$ tools/perf/perf record ls
arch certs CREDITS Documentation firmware include
ipc Kconfig lib Makefile net REPORTING-BUGS
scripts sound usr block COPYING crypto
drivers fs init Kbuild kernel MAINTAINERS
mm README samples security tools virt
[ perf record: Woken up 1 times to write data ]
[ perf record: Captured and wrote 0.012 MB perf.data (11 samples) ]
$ tools/perf/perf buildid-list
574da826c66538a8d9060d393a8866289bd06005 [kernel.kallsyms]
30c94dc66a1fe95180c3d68d2b89e576d5ae213c /lib/x86_64-linux-gnu/libc-2.19.so
$ tools/perf/perf buildid-list -H
574da826c66538a8d9060d393a8866289bd06005 [kernel.kallsyms]
0000000000000000000000000000000000000000 /lib/x86_64-linux-gnu/libc-2.19.so
After:
$ tools/perf/perf buildid-list -H
574da826c66538a8d9060d393a8866289bd06005 [kernel.kallsyms]
30c94dc66a1fe95180c3d68d2b89e576d5ae213c /lib/x86_64-linux-gnu/libc-2.19.so
The fix is to record the root of the tree on the dso so that
dso__set_long_name() can update the tree when the long name changes.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Don Zickus <dzickus@redhat.com>
Cc: Douglas Hatch <doug.hatch@hp.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Scott J Norton <scott.norton@hp.com>
Cc: Waiman Long <Waiman.Long@hp.com>
Fixes: 4598a0a6d2 ("perf symbols: Improve DSO long names lookup speed with rbtree")
Link: http://lkml.kernel.org/r/1447408112-1920-2-git-send-email-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
While comparing the B-Spec with the code I noticed that several
values in these tables have been updated in the spec, so I
changed the code to match..
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Jim Bride <jim.bride@linux.intel.com>
Reviewed-by: Ander Conselvan de Oliveira <conselvan2@gmail.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1446852654-883-1-git-send-email-jim.bride@linux.intel.com
DTU1141 has an extra 1 mm tablet active outbounding area on each
side of the display, same as those recently released DTUs.
Signed-off-by: Ping Cheng <pingc@wacom.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
The i_boost level in the DDI translation tables are stored per level.
However, skl_ddi_set_iboos() would choose an entry of that table based
on the port argument.
Cc: Jim Bride <jim.bride@linux.intel.com>
Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Reviewed-by: Jim Bride <jim.bride@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1447247754-802-1-git-send-email-ander.conselvan.de.oliveira@intel.com
After merging the scsi tree, today's linux-next build (powerpc
allyesconfig) failed like this:
In file included from drivers/scsi/mpt3sas/mpt3sas_scsih.c:59:0:
drivers/scsi/mpt3sas/mpt3sas_scsih.c: In function '_scsih_io_done':
drivers/scsi/mpt3sas/mpt3sas_base.h:1414:1: error: inlining failed in call to always_inline 'mpt3sas_scsi_direct_io_get': function body not available
mpt3sas_scsi_direct_io_get(struct MPT3SAS_ADAPTER *ioc, u16 smid);
^
drivers/scsi/mpt3sas/mpt3sas_scsih.c:4448:6: error: called from here
if (mpt3sas_scsi_direct_io_get(ioc, smid) &&
^
In file included from drivers/scsi/mpt3sas/mpt3sas_scsih.c:59:0:
drivers/scsi/mpt3sas/mpt3sas_base.h:1416:1: error: inlining failed in call to always_inline 'mpt3sas_scsi_direct_io_set': function body not available
mpt3sas_scsi_direct_io_set(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 direct_io);
^
drivers/scsi/mpt3sas/mpt3sas_scsih.c:4454:3: error: called from here
mpt3sas_scsi_direct_io_set(ioc, smid, 0);
^
In file included from drivers/scsi/mpt3sas/mpt3sas_scsih.c:5
9:0:
drivers/scsi/mpt3sas/mpt3sas_base.h:1416:1: error: inlining failed in call to always_inline 'mpt3sas_scsi_direct_io_set': function body not available
mpt3sas_scsi_direct_io_set(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 direct_io);
^
drivers/scsi/mpt3sas/mpt3sas_scsih.c:4454:3: error: called from here
mpt3sas_scsi_direct_io_set(ioc, smid, 0);
^
Presumably caused by commit
c84b06a48c ("mpt3sas: Single driver module which supports both SAS 2.0 & SAS 3.0 HBAs")
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: James Bottomley <JBottomley@Odin.com>
Since 4.3 introduced devm_memremap_pages() the pfns handled by DAX may
optionally have a struct page backing. When a mapped pfn reaches
vmf_insert_pfn_pmd() it fails with a crash signature like the following:
kernel BUG at mm/huge_memory.c:905!
[..]
Call Trace:
[<ffffffff812a73ba>] __dax_pmd_fault+0x2ea/0x5b0
[<ffffffffa01a4182>] xfs_filemap_pmd_fault+0x92/0x150 [xfs]
[<ffffffff811fbe02>] handle_mm_fault+0x312/0x1b50
Fix this by falling back to 4K mappings in the pfn_valid() case. Longer
term, vmf_insert_pfn_pmd() needs to grow support for architectures that
can provide a 'pmd_special' capability.
Cc: <stable@vger.kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Reported-by: Ross Zwisler <ross.zwisler@linux.intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Pull drm fixes from Dave Airlie:
"One urgent fix for an oops under console lock in some drivers, one
uapi fix, and one revert to fix rockchip regression"
* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
Revert "drm/rockchip: Convert the probe function to the generic drm_of_component_probe()"
drm: Don't oops in drm_calc_timestamping_constants() if drm_vblank_init() wasn't called
drm: Use userspace compatible type in fourcc_mod_code macro
Enable the QSPI controller in the gose device tree.
Based on similar work for the silk board by Vladimir Barinov and
Sergei Shtylyov.
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
Instantiate the QSPI controller in the r8a7793 device tree.
Based on similar work for the r8a7794 by Hisashi Nakamura and
Sergei Shtylyov.
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Instantiate the two system DMA controllers in the r8a7793 device tree.
Based on similar work for the r8a7793 by Laurent Pinchart.
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
One patch is needed to make tracing work without debugfs now that tracing
uses its own tracefs.
The second is removing an unused variable.
The third is fixing a warning about unused variables when MAX_TRACER is
not configured. Note, this warning shows up in gcc 6.0, but does not show
up in gcc 4.9, as it seems that gcc does not complain about constants
not being used.
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Merge tag 'trace-v4.4-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
Pull trace cleanups from Steven Rostedt:
"This contains three more clean up patches.
One patch is needed to make tracing work without debugfs now that
tracing uses its own tracefs.
The second is removing an unused variable.
The third is fixing a warning about unused variables when MAX_TRACER
is not configured. Note, this warning shows up in gcc 6.0, but does
not show up in gcc 4.9, as it seems that gcc does not complain about
constants not being used"
* tag 'trace-v4.4-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
tracing: #ifdef out uses of max trace when CONFIG_TRACER_MAX_TRACE is not set
tracing: Remove unused ftrace_cpu_disabled per cpu variable
tracing: Make tracing work when debugfs is not configured in
This is a major rework and changes to the current implementation of the
battery protocol. The previous implementation lack the support of a more
dynamic handle of power supply properties and updating of status. Also,
reflect the actual state of the greybus specification
So, with this new approach a set of operations to fetch the battery
module configuration and properties is add, new methods to cache and
update the values of properties, new operation to set properties if
declared writable and an event operation that can be triggered by the
module to force an update read on the properties values.
Signed-off-by: Rui Miguel Silva <rui.silva@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Add check for POWER_SUPPLY config option to guarantee that it is enabled.
Signed-off-by: Rui Miguel Silva <rui.silva@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Rename protocol to POWER_SUPPLY and implementation details from battery
to power_supply.
Also fix some tabs between define and macro name.
Signed-off-by: Rui Miguel Silva <rui.silva@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
sti/drm changes
Add better support for firmware loading
lots of fixes.
* 'drm-sti-next-2015-11-03' of http://git.linaro.org/people/benjamin.gaignard/kernel:
drm/sti: load HQVDP firmware the first time HQVDP's plane is used
drm/sti: fix typo issue in sti_mode_config_init
drm/sti: set mixer background color through module param
drm/sti: Remove local fbdev emulation Kconfig option
drm/sti: remove redundant sign extensions
drm/sti: hdmi use of_get_i2c_adapter_by_node interface
drm/sti: hdmi fix i2c adapter device refcounting
drm/sti: Do not export symbols
drm/sti: Build monolithic driver
drm/sti: Use drm_crtc_vblank_*() API
drm/sti: Store correct CRTC index in events
drm/sti: Select FW_LOADER
drm/sti: Constify function pointer structs
Rename the battery.c to power_supply.c and update the makefile as the
Greybus protocol is being renamed from battery to power_supply.
Signed-off-by: Rui Miguel Silva <rui.silva@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
This reverts commit 52f5eb6094.
Rockchip drm can't work with generic drm_of_component_probe now
Signed-off-by: Mark Yao <mark.yao@rock-chips.com>
Acked-by: Liviu Dudau <Liviu.Dudau@arm.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Single fix for uapi.
* tag 'topic/drm-fixes-2015-11-11' of git://anongit.freedesktop.org/drm-intel:
drm: Use userspace compatible type in fourcc_mod_code macro
Pull misc block fixes from Jens Axboe:
"Stuff that got collected after the merge window opened. This
contains:
- NVMe:
- Fix for non-striped transfer size setting for NVMe from
Sathyavathi.
- (Some) support for the weird Apple nvme controller in the
macbooks. From Stephan Günther.
- The error value leak for dax from Al.
- A few minor blk-mq tweaks from me.
- Add the new linux-block@vger.kernel.org mailing list to the
MAINTAINERS file.
- Discard fix for brd, from Jan.
- A kerneldoc warning for block core from Randy.
- An older fix from Vivek, converting a WARN_ON() to a rate limited
printk when a device is hot removed with dirty inodes"
* 'for-linus' of git://git.kernel.dk/linux-block:
block: don't hardcode blk_qc_t -> tag mask
dax_io(): don't let non-error value escape via retval instead of EFAULT
block: fix blk-core.c kernel-doc warning
fs/block_dev.c: Remove WARN_ON() when inode writeback fails
NVMe: add support for Apple NVMe controller
NVMe: use split lo_hi_{read,write}q
blk-mq: mark __blk_mq_complete_request() static
MAINTAINERS: add reference to new linux-block list
NVMe: Increase the max transfer size when mdts is 0
brd: Refuse improperly aligned discard requests
wIndex field has a special meaning, as that can be used by the core to
index into the possible USB interfaces. And that specifically broke with
gbsim, as it has a single USB interface.
Other similar requests (REQUEST_LATENCY_TAG_{EN|DIS}) are already using
wValue field for passing cport-id.
Fix cport_reset() by sending the cport-id in wValue field instead of
wIndex.
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Tested-by: Fabien Parent <fparent@baylibre.com>
Reviewed-by: Johan Hovold <johan@hovoldconsulting.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
