am43xx reset register layout is more similar to am33xx than omap4 so
use the am33xx functions for hwmod hardreset soc_ops rather than the
currently used omap4 functions. Without this, assert_hardreset and
deassert_hardreset will not work on am43xx.
Signed-off-by: Dave Gerlach <d-gerlach@ti.com>
[paul@pwsan.com: fixed build errors for an AM43xx-only Kconfig]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
This is just a couple of drivers (hpsa and lpfc) that got left out for further
testing in linux-next. We also have one fix to a prior submission (qla2xxx
sparse).
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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Merge tag 'scsi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull more SCSI updates from James Bottomley:
"This is just a couple of drivers (hpsa and lpfc) that got left out for
further testing in linux-next. We also have one fix to a prior
submission (qla2xxx sparse)"
* tag 'scsi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (36 commits)
qla2xxx: fix sparse warnings introduced by previous target mode t10-dif patch
lpfc: Update lpfc version to driver version 10.2.8001.0
lpfc: Fix ExpressLane priority setup
lpfc: mark old devices as obsolete
lpfc: Fix for initializing RRQ bitmap
lpfc: Fix for cleaning up stale ring flag and sp_queue_event entries
lpfc: Update lpfc version to driver version 10.2.8000.0
lpfc: Update Copyright on changed files from 8.3.45 patches
lpfc: Update Copyright on changed files
lpfc: Fixed locking for scsi task management commands
lpfc: Convert runtime references to old xlane cfg param to fof cfg param
lpfc: Fix FW dump using sysfs
lpfc: Fix SLI4 s abort loop to process all FCP rings and under ring_lock
lpfc: Fixed kernel panic in lpfc_abort_handler
lpfc: Fix locking for postbufq when freeing
lpfc: Fix locking for lpfc_hba_down_post
lpfc: Fix dynamic transitions of FirstBurst from on to off
hpsa: fix handling of hpsa_volume_offline return value
hpsa: return -ENOMEM not -1 on kzalloc failure in hpsa_get_device_id
hpsa: remove messages about volume status VPD inquiry page not supported
...
Pull more btrfs updates from Chris Mason:
"This has a few fixes since our last pull and a new ioctl for doing
btree searches from userland. It's very similar to the existing
ioctl, but lets us return larger items back down to the app"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs:
btrfs: fix error handling in create_pending_snapshot
btrfs: fix use of uninit "ret" in end_extent_writepage()
btrfs: free ulist in qgroup_shared_accounting() error path
Btrfs: fix qgroups sanity test crash or hang
btrfs: prevent RCU warning when dereferencing radix tree slot
Btrfs: fix unfinished readahead thread for raid5/6 degraded mounting
btrfs: new ioctl TREE_SEARCH_V2
btrfs: tree_search, search_ioctl: direct copy to userspace
btrfs: new function read_extent_buffer_to_user
btrfs: tree_search, copy_to_sk: return needed size on EOVERFLOW
btrfs: tree_search, copy_to_sk: return EOVERFLOW for too small buffer
btrfs: tree_search, search_ioctl: accept varying buffer
btrfs: tree_search: eliminate redundant nr_items check
Pull aio fix and cleanups from Ben LaHaise:
"This consists of a couple of code cleanups plus a minor bug fix"
* git://git.kvack.org/~bcrl/aio-next:
aio: cleanup: flatten kill_ioctx()
aio: report error from io_destroy() when threads race in io_destroy()
fs/aio.c: Remove ctx parameter in kiocb_cancel
Tetsuo Handa wrote:
"Commit 62a8067a7f ("bio_vec-backed iov_iter") introduced an unnamed
union inside a struct which gcc-4.4.7 cannot handle. Name the unnamed
union as u in order to fix build failure"
Let's do this instead: there is only one place in the entire tree that
steps into this breakage. Anon structs and unions work in older gcc
versions; as the matter of fact, we have those in the tree - see e.g.
struct ieee80211_tx_info in include/net/mac80211.h
What doesn't work is handling their initializers:
struct {
int a;
union {
int b;
char c;
};
} x[2] = {{.a = 1, .c = 'a'}, {.a = 0, .b = 1}};
is the obvious syntax for initializer, perfectly fine for C11 and
handled correctly by gcc-4.7 or later.
Earlier versions, though, break on it - declaration is fine and so's
access to fields (i.e. x[0].c = 'a'; would produce the right code), but
members of the anon structs and unions are not inserted into the right
namespace. Tellingly, those older versions will not barf on struct {int
a; struct {int a;};}; - looks like they just have it hacked up somewhere
around the handling of . and -> instead of doing the right thing.
The easiest way to deal with that crap is to turn initialization of
those fields (in the only place where we have such initializer of
iov_iter) into plain assignment.
Reported-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Reported-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Tighten Dependency between ssi-protocol and omap-ssi
to fix build failures with randconfig.
* Use normal module refcounting in omap driver to fix
build with disabled module support.
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Merge tag 'hsi-for-3.16-fixes1' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-hsi
Pull HSI build fixes from Sebastian Reichel:
- tighten dependency between ssi-protocol and omap-ssi to fix build
failures with randconfig.
- use normal module refcounting in omap driver to fix build with
disabled module support
* tag 'hsi-for-3.16-fixes1' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-hsi:
hsi: omap_ssi_port: use normal module refcounting
HSI: fix omap ssi driver dependency
it blocks the OMAP boot.
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Merge tag 'gpio-v3.16-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio
Pull GPIO fix from Linus Walleij:
"A first GPIO fix for the v3.16 series, this was serious since it
blocks the OMAP boot.
Sending you this vital fix before leaving for a short vacation so it
does not sit collecting dust in my tree for no good reason.
Apart from this, our v3.16 cycle looks like a good start"
* tag 'gpio-v3.16-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio:
gpio: of: Fix handling for deferred probe for -gpio suffix
Pull x86 vdso fixes from Peter Anvin:
"Fixes for x86/vdso.
One is a simple build fix for bigendian hosts, one is to make "make
vdso_install" work again, and the rest is about working around a bug
in Google's Go language -- two are documentation patches that improves
the sample code that the Go coders took, modified, and broke; the
other two implements a workaround that keeps existing Go binaries from
segfaulting at least"
* 'x86-vdso-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/vdso: Fix vdso_install
x86/vdso: Hack to keep 64-bit Go programs working
x86/vdso: Add PUT_LE to store little-endian values
x86/vdso/doc: Make vDSO examples more portable
x86/vdso/doc: Rename vdso_test.c to vdso_standalone_test_x86.c
x86, vdso: Remove one final use of htole16()
Convert ltc4151 and vexpress drivers to use devm functions
Drop generic chip detection from lm85 driver
Avoid forward declarations in atxp1 driver
Fix sign extensions in ina2xx driver
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Merge tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon updates from Guenter Roeck:
- new driver for Sensirion SHTC1 humidity / temperature sensor
- convert ltc4151 and vexpress drivers to use devm functions
- drop generic chip detection from lm85 driver
- avoid forward declarations in atxp1 driver
- fix sign extensions in ina2xx driver
* tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
hwmon: vexpress: Use devm helper for hwmon device registration
hwmon: (atxp1) Avoid forward declaration
hwmon: add support for Sensirion SHTC1 sensor
hwmon: (ltc4151) Convert to devm_hwmon_device_register_with_groups
hwmon: (lm85) Drop generic detection
hwmon: (ina2xx) Cast to s16 on shunt and current regs
"make vdso_install" installs unstripped versions of the vdso objects
for the benefit of the debugger. This was broken by checkin:
6f121e548f x86, vdso: Reimplement vdso.so preparation in build-time C
The filenames are different now, so update the Makefile to cope.
This still installs the 64-bit vdso as vdso64.so. We believe this
will be okay, as the only known user is a patched gdb which is known
to use build-ids, but if it turns out to be a problem we may have to
add a link.
Inspired by a patch from Sam Ravnborg.
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Reported-by: Josh Boyer <jwboyer@fedoraproject.org>
Tested-by: Josh Boyer <jwboyer@fedoraproject.org>
Signed-off-by: Andy Lutomirski <luto@amacapital.net>
Link: http://lkml.kernel.org/r/b10299edd8ba98d17e07dafcd895b8ecf4d99eff.1402586707.git.luto@amacapital.net
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
fcebe456 cut and pasted some code to a later point
in create_pending_snapshot(), but didn't switch
to the appropriate error handling for this stage
of the function.
Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Signed-off-by: Chris Mason <clm@fb.com>
If this condition in end_extent_writepage() is false:
if (tree->ops && tree->ops->writepage_end_io_hook)
we will then test an uninitialized "ret" at:
ret = ret < 0 ? ret : -EIO;
The test for ret is for the case where ->writepage_end_io_hook
failed, and we'd choose that ret as the error; but if
there is no ->writepage_end_io_hook, nothing sets ret.
Initializing ret to 0 should be sufficient; if
writepage_end_io_hook wasn't set, (!uptodate) means
non-zero err was passed in, so we choose -EIO in that case.
Signed-of-by: Eric Sandeen <sandeen@redhat.com>
Signed-off-by: Chris Mason <clm@fb.com>
If tmp = ulist_alloc(GFP_NOFS) fails, we return without
freeing the previously allocated qgroups = ulist_alloc(GFP_NOFS)
and cause a memory leak.
Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Signed-off-by: Chris Mason <clm@fb.com>
Mark the dereference as protected by lock. Not doing so triggers
an RCU warning since the radix tree assumed that RCU is in use.
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
Signed-off-by: Chris Mason <clm@fb.com>
Steps to reproduce:
# mkfs.btrfs -f /dev/sd[b-f] -m raid5 -d raid5
# mkfs.ext4 /dev/sdc --->corrupt one of btrfs device
# mount /dev/sdb /mnt -o degraded
# btrfs scrub start -BRd /mnt
This is because readahead would skip missing device, this is not true
for RAID5/6, because REQ_GET_READ_MIRRORS return 1 for RAID5/6 block
mapping. If expected data locates in missing device, readahead thread
would not call __readahead_hook() which makes event @rc->elems=0
wait forever.
Fix this problem by checking return value of btrfs_map_block(),we
can only skip missing device safely if there are several mirrors.
Signed-off-by: Wang Shilong <wangsl.fnst@cn.fujitsu.com>
Signed-off-by: Chris Mason <clm@fb.com>
This new ioctl call allows the user to supply a buffer of varying size in which
a tree search can store its results. This is much more flexible if you want to
receive items which are larger than the current fixed buffer of 3992 bytes or
if you want to fetch more items at once. Items larger than this buffer are for
example some of the type EXTENT_CSUM.
Signed-off-by: Gerhard Heift <Gerhard@Heift.Name>
Signed-off-by: Chris Mason <clm@fb.com>
Acked-by: David Sterba <dsterba@suse.cz>
Most of changes are small and easy cleanup or fixes.
- a few HD-audio Realtek codec fixes and quirks
- Intel HDMI audio fixes for Broadwell and Haswell / ValleyView
- FireWire sound stack cleanups
- a couple of sequencer core fixes
- compress ABI fix for 64bit
- Conversion to modern ktime*() API
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Merge tag 'sound-fix-3.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"Most of changes are small and easy cleanup or fixes:
- a few HD-audio Realtek codec fixes and quirks
- Intel HDMI audio fixes for Broadwell and Haswell / ValleyView
- FireWire sound stack cleanups
- a couple of sequencer core fixes
- compress ABI fix for 64bit
- conversion to modern ktime*() API"
* tag 'sound-fix-3.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (23 commits)
ALSA: hda/realtek - Add more entry for enable HP mute led
ALSA: hda - Add quirk for external mic on Lifebook U904
ALSA: hda - fix a fixup value for codec alc293 in the pin_quirk table
ALSA: intel8x0: Use ktime and ktime_get()
ALSA: core: Use ktime_get_ts()
ALSA: hda - verify pin:converter connection on unsol event for HSW and VLV
ALSA: compress: Cancel the optimization of compiler and fix the size of struct for all platform.
ALSA: hda - Add quirk for ABit AA8XE
Revert "ALSA: hda - mask buggy stream DMA0 for Broadwell display controller"
ALSA: hda - using POS_FIX_LPIB on Broadwell HDMI Audio
ALSA: hda/realtek - Add support of ALC667 codec
ALSA: hda/realtek - Add more codec rename
ALSA: hda/realtek - New vendor ID for ALC233
ALSA: hda - add two new pin tables
ALSA: hda/realtek - Add support of ALC891 codec
ALSA: seq: Continue broadcasting events to ports if one of them fails
ALSA: bebob: Remove unused function prototype
ALSA: fireworks: Remove meaningless mutex_destroy()
ALSA: fireworks: Remove a constant over width to which it's applied
ALSA: fireworks: Improve comments about Fireworks transaction
...
This set includes one small fix related to resending SCTP messages.
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Merge tag 'dlm-3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/teigland/linux-dlm
Pull dlm fix from David Teigland:
"This contains one small fix related to resending SCTP messages"
* tag 'dlm-3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/teigland/linux-dlm:
dlm: keep listening connection alive with sctp mode
Pull more security layer updates from Serge Hallyn:
"A few more commits had previously failed to make it through
security-next into linux-next but this week made it into linux-next.
At least commit "ima: introduce ima_kernel_read()" was deemed critical
by Mimi to make this merge window.
This is a temporary tree just for this request. Mimi has pointed me
to some previous threads about keeping maintainer trees at the
previous release, which I'll certainly do for anything long-term,
after talking with James"
* 'serge-next-2' of git://git.kernel.org/pub/scm/linux/kernel/git/sergeh/linux-security:
ima: introduce ima_kernel_read()
evm: prohibit userspace writing 'security.evm' HMAC value
ima: check inode integrity cache in violation check
ima: prevent unnecessary policy checking
evm: provide option to protect additional SMACK xattrs
evm: replace HMAC version with attribute mask
ima: prevent new digsig xattr from being replaced
More HP machine need mute led support.
Signed-off-by: Kailang Yang <kailang@realtek.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
The fixup value for codec alc293 was set to
ALC269_FIXUP_DELL1_MIC_NO_PRESENCE by a mistake, if we don't fix it,
the Dock mic will be overwriten by the headset mic, this will make
the Dock mic can't work.
Cc: David Henningsson <david.henningsson@canonical.com>
Signed-off-by: Hui Wang <hui.wang@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Pull Ceph updates from Sage Weil:
"This has a mix of bug fixes and cleanups.
Alex's patch fixes a rare race in RBD. Ilya's patches fix an ENOENT
check when a second rbd image is mapped and a couple memory leaks.
Zheng fixes several issues with fragmented directories and multiple
MDSs. Josh fixes a spin/sleep issue, and Josh and Guangliang's
patches fix setting and unsetting RBD images read-only.
Naturally there are several other cleanups mixed in for good measure"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client: (23 commits)
rbd: only set disk to read-only once
rbd: move calls that may sleep out of spin lock range
rbd: add ioctl for rbd
ceph: use truncate_pagecache() instead of truncate_inode_pages()
ceph: include time stamp in every MDS request
rbd: fix ida/idr memory leak
rbd: use reference counts for image requests
rbd: fix osd_request memory leak in __rbd_dev_header_watch_sync()
rbd: make sure we have latest osdmap on 'rbd map'
libceph: add ceph_monc_wait_osdmap()
libceph: mon_get_version request infrastructure
libceph: recognize poolop requests in debugfs
ceph: refactor readpage_nounlock() to make the logic clearer
mds: check cap ID when handling cap export message
ceph: remember subtree root dirfrag's auth MDS
ceph: introduce ceph_fill_fragtree()
ceph: handle cap import atomically
ceph: pre-allocate ceph_cap struct for ceph_add_cap()
ceph: update inode fields according to issued caps
rbd: replace IS_ERR and PTR_ERR with PTR_ERR_OR_ZERO
...
Pull OMAP3 updates from Mauro Carvalho Chehab:
"Some driver improvements on OMAP3. This series depend on some iommu
patches already merged"
* 'topic/omap3isp' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (26 commits)
[media] omap3isp: Rename isp_buffer isp_addr field to dma
[media] omap3isp: Move to videobuf2
[media] v4l: vb2: Add a function to discard all DONE buffers
[media] omap3isp: Cancel all queued buffers when stopping the video stream
[media] omap3isp: Move buffer irqlist to isp_buffer structure
[media] omap3isp: Move queue irqlock to isp_video structure
[media] omap3isp: Move queue mutex to isp_video structure
[media] omap3isp: queue: Don't build scatterlist for kernel buffer
[media] omap3isp: Use the ARM DMA IOMMU-aware operations
[media] omap3isp: queue: Use sg_alloc_table_from_pages()
[media] omap3isp: queue: Map PFNMAP buffers to device
[media] omap3isp: queue: Fix the dma_map_sg() return value check
[media] omap3isp: queue: Allocate kernel buffers with dma_alloc_coherent
[media] omap3isp: queue: Inline the ispmmu_v(un)map functions
[media] omap3isp: queue: Merge the prepare and sglist functions
[media] omap3isp: queue: Use sg_table structure
[media] omap3isp: queue: Move IOMMU handling code to the queue
[media] omap3isp: video: Set the buffer bytesused field at completion time
[media] omap3isp: ccdc: Use the DMA API for FPC
[media] omap3isp: ccdc: Use the DMA API for LSC
...
Pull SCSI target updates from Nicholas Bellinger:
"The highlights this round include:
- Add support for T10 PI pass-through between vhost-scsi +
virtio-scsi (MST + Paolo + MKP + nab)
- Add support for T10 PI in qla2xxx target mode (Quinn + MKP + hch +
nab, merged through scsi.git)
- Add support for percpu-ida pre-allocation in qla2xxx target code
(Quinn + nab)
- A number of iser-target fixes related to hardening the network
portal shutdown path (Sagi + Slava)
- Fix response length residual handling for a number of control CDBs
(Roland + Christophe V.)
- Various iscsi RFC conformance fixes in the CHAP authentication path
(Tejas and Calsoft folks + nab)
- Return TASK_SET_FULL status for tcm_fc(FCoE) DataIn + Response
failures (Vasu + Jun + nab)
- Fix long-standing ABORT_TASK + session reset hang (nab)
- Convert iser-initiator + iser-target to include T10 bytes into EDTL
(Sagi + Or + MKP + Mike Christie)
- Fix NULL pointer dereference regression related to XCOPY introduced
in v3.15 + CC'ed to v3.12.y (nab)"
* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending: (34 commits)
target: Fix NULL pointer dereference for XCOPY in target_put_sess_cmd
vhost-scsi: Include prot_bytes into expected data transfer length
TARGET/sbc,loopback: Adjust command data length in case pi exists on the wire
libiscsi, iser: Adjust data_length to include protection information
scsi_cmnd: Introduce scsi_transfer_length helper
target: Report correct response length for some commands
target/sbc: Check that the LBA and number of blocks are correct in VERIFY
target/sbc: Remove sbc_check_valid_sectors()
Target/iscsi: Fix sendtargets response pdu for iser transport
Target/iser: Fix a wrong dereference in case discovery session is over iser
iscsi-target: Fix ABORT_TASK + connection reset iscsi_queue_req memory leak
target: Use complete_all for se_cmd->t_transport_stop_comp
target: Set CMD_T_ACTIVE bit for Task Management Requests
target: cleanup some boolean tests
target/spc: Simplify INQUIRY EVPD=0x80
tcm_fc: Generate TASK_SET_FULL status for response failures
tcm_fc: Generate TASK_SET_FULL status for DataIN failures
iscsi-target: Reject mutual authentication with reflected CHAP_C
iscsi-target: Remove no-op from iscsit_tpg_del_portal_group
iscsi-target: Fix CHAP_A parameter list handling
...
Pull kbuild misc updates from Michal Marek:
"This is the non-critical part of kbuild for v3.16-rc1:
- make deb-pkg can do s390x and arm64
- new patterns in scripts/tags.sh
- scripts/tags.sh skips userspace tools' sources (which sometimes
have copies of kernel structures) and symlinks
- improvements to the objdiff tool
- two new coccinelle patches
- other minor fixes"
* 'misc' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild:
scripts: objdiff: support directories for the augument of record command
scripts: objdiff: fix a comment
scripts: objdiff: change the extension of disassembly from .o to .dis
scripts: objdiff: improve path flexibility for record command
scripts: objdiff: remove unnecessary code
scripts: objdiff: direct error messages to stderr
scripts: objdiff: get the path to .tmp_objdiff more simply
deb-pkg: Add automatic support for s390x architecture
coccicheck: Add unneeded return variable test
kbuild: Fix a typo in documentation
kbuild: trivial - use tabs for code indent where possible
kbuild: trivial - remove trailing empty lines
coccinelle: Check for missing NULL terminators in of_device_id tables
scripts/tags.sh: ignore symlink'ed source files
scripts/tags.sh: add regular expression replacement pattern for memcg
builddeb: add arm64 in the supported architectures
builddeb: use $OBJCOPY variable instead of objcopy
scripts/tags.sh: ignore code of user space tools
scripts/tags.sh: add pattern for DEFINE_HASHTABLE
.gitignore: ignore Module.symvers in all directories
Pull kbuild updates from Michal Marek:
"Kbuild changes for v3.16-rc1:
- cross-compilation fix so that cc-option is testing the right
compiler
- Fix for make defconfig all
- Using relative paths to the object and source directory where
possible, plus fixes for the fallout of the change
- several cleanups in the Makefiles and scripts
The powerpc fix is from today, because it was only discovered
recently. The rest has been in linux-next for some time"
* 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild:
powerpc: Avoid circular dependency with zImage.%
kbuild: create include/config directory in scripts/kconfig/Makefile
kbuild: do not create include/linux directory
Makefile: Fix unrecognized cross-compiler command line options
kbuild: do not add "selinux" to subdir- twice
um: Fix for relative objtree when generating x86 headers
kbuild: Use relative path when building in a subdir of the source tree
kbuild: Use relative path when building in the source tree
kbuild: Use relative path for $(objtree)
firmware: Use $(quote) in the Makefile
firmware: Simplify directory creation
kbuild: trivial - fix comment block indent
kbuild: trivial - remove trailing spaces
kbuild: support simultaneous "make %config" and "make all"
kbuild: move extra gcc checks to scripts/Makefile.extrawarn
if "possible cpus" is greater than actual CPUs (including offline CPUs).
Namhyung Kim did some reviews of the patches I sent this merge window and
found a memory leak and had a few clean ups.
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Merge tag 'trace-3.16-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
Pull tracing cleanups and bugfixes from Steven Rostedt:
"One bug fix that goes back to 3.10. Accessing a non existent buffer
if "possible cpus" is greater than actual CPUs (including offline
CPUs).
Namhyung Kim did some reviews of the patches I sent this merge window
and found a memory leak and had a few clean ups"
* tag 'trace-3.16-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
tracing: Fix check of ftrace_trace_arrays list_empty() check
tracing: Fix leak of per cpu max data in instances
tracing: Cleanup saved_cmdlines_size changes
ring-buffer: Check if buffer exists before polling
Pull more powerpc updates from Ben Herrenschmidt:
"Here are the remaining bits I was mentioning earlier. Mostly bug
fixes and new selftests from Michael (yay !). He also removed the WSP
platform and A2 core support which were dead before release, so less
clutter.
One little "feature" I snuck in is the doorbell IPI support for
non-virtualized P8 which speeds up IPIs significantly between threads
of a core"
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: (34 commits)
powerpc/book3s: Fix some ABIv2 issues in machine check code
powerpc/book3s: Fix guest MC delivery mechanism to avoid soft lockups in guest.
powerpc/book3s: Increment the mce counter during machine_check_early call.
powerpc/book3s: Add stack overflow check in machine check handler.
powerpc/book3s: Fix machine check handling for unhandled errors
powerpc/eeh: Dump PE location code
powerpc/powernv: Enable POWER8 doorbell IPIs
powerpc/cpuidle: Only clear LPCR decrementer wakeup bit on fast sleep entry
powerpc/powernv: Fix killed EEH event
powerpc: fix typo 'CONFIG_PMAC'
powerpc: fix typo 'CONFIG_PPC_CPU'
powerpc/powernv: Don't escalate non-existing frozen PE
powerpc/eeh: Report frozen parent PE prior to child PE
powerpc/eeh: Clear frozen state for child PE
powerpc/powernv: Reduce panic timeout from 180s to 10s
powerpc/xmon: avoid format string leaking to printk
selftests/powerpc: Add tests of PMU EBBs
selftests/powerpc: Add support for skipping tests
selftests/powerpc: Put the test in a separate process group
selftests/powerpc: Fix instruction loop for ABIv2 (LE)
...
Pull x86 irq fixes from Ingo Molnar:
"Two changes: a cpu-hotplug/irq race fix, plus a HyperV related fix"
* 'x86-irq-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/irq: Fix fixup_irqs() error handling
x86, irq, pic: Probe for legacy PIC and set legacy_pic appropriately
Pull more scheduler updates from Ingo Molnar:
"Second round of scheduler changes:
- try-to-wakeup and IPI reduction speedups, from Andy Lutomirski
- continued power scheduling cleanups and refactorings, from Nicolas
Pitre
- misc fixes and enhancements"
* 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
sched/deadline: Delete extraneous extern for to_ratio()
sched/idle: Optimize try-to-wake-up IPI
sched/idle: Simplify wake_up_idle_cpu()
sched/idle: Clear polling before descheduling the idle thread
sched, trace: Add a tracepoint for IPI-less remote wakeups
cpuidle: Set polling in poll_idle
sched: Remove redundant assignment to "rt_rq" in update_curr_rt(...)
sched: Rename capacity related flags
sched: Final power vs. capacity cleanups
sched: Remove remaining dubious usage of "power"
sched: Let 'struct sched_group_power' care about CPU capacity
sched/fair: Disambiguate existing/remaining "capacity" usage
sched/fair: Change "has_capacity" to "has_free_capacity"
sched/fair: Remove "power" from 'struct numa_stats'
sched: Fix signedness bug in yield_to()
sched/fair: Use time_after() in record_wakee()
sched/balancing: Reduce the rate of needless idle load balancing
sched/fair: Fix unlocked reads of some cfs_b->quota/period
Pull more perf updates from Ingo Molnar:
"A second round of perf updates:
- wide reaching kprobes sanitization and robustization, with the hope
of fixing all 'probe this function crashes the kernel' bugs, by
Masami Hiramatsu.
- uprobes updates from Oleg Nesterov: tmpfs support, corner case
fixes and robustization work.
- perf tooling updates and fixes from Jiri Olsa, Namhyung Ki, Arnaldo
et al:
* Add support to accumulate hist periods (Namhyung Kim)
* various fixes, refactorings and enhancements"
* 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (101 commits)
perf: Differentiate exec() and non-exec() comm events
perf: Fix perf_event_comm() vs. exec() assumption
uprobes/x86: Rename arch_uprobe->def to ->defparam, minor comment updates
perf/documentation: Add description for conditional branch filter
perf/x86: Add conditional branch filtering support
perf/tool: Add conditional branch filter 'cond' to perf record
perf: Add new conditional branch filter 'PERF_SAMPLE_BRANCH_COND'
uprobes: Teach copy_insn() to support tmpfs
uprobes: Shift ->readpage check from __copy_insn() to uprobe_register()
perf/x86: Use common PMU interrupt disabled code
perf/ARM: Use common PMU interrupt disabled code
perf: Disable sampled events if no PMU interrupt
perf: Fix use after free in perf_remove_from_context()
perf tools: Fix 'make help' message error
perf record: Fix poll return value propagation
perf tools: Move elide bool into perf_hpp_fmt struct
perf tools: Remove elide setup for SORT_MODE__MEMORY mode
perf tools: Fix "==" into "=" in ui_browser__warning assignment
perf tools: Allow overriding sysfs and proc finding with env var
perf tools: Consider header files outside perf directory in tags target
...
The Go runtime has a buggy vDSO parser that currently segfaults.
This writes an empty SHT_DYNSYM entry that causes Go's runtime to
malfunction by thinking that the vDSO is empty rather than
malfunctioning by running off the end and segfaulting.
This affects x86-64 only as far as we know, so we do not need this for
the i386 and x32 vdsos.
Signed-off-by: Andy Lutomirski <luto@amacapital.net>
Link: http://lkml.kernel.org/r/d10618176c4bd39b457a5e85c497295c90cab1bc.1402620737.git.luto@amacapital.net
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Pull more locking changes from Ingo Molnar:
"This is the second round of locking tree updates for v3.16, offering
large system scalability improvements:
- optimistic spinning for rwsems, from Davidlohr Bueso.
- 'qrwlocks' core code and x86 enablement, from Waiman Long and PeterZ"
* 'locking-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86, locking/rwlocks: Enable qrwlocks on x86
locking/rwlocks: Introduce 'qrwlocks' - fair, queued rwlocks
locking/mutexes: Documentation update/rewrite
locking/rwsem: Fix checkpatch.pl warnings
locking/rwsem: Fix warnings for CONFIG_RWSEM_GENERIC_SPINLOCK
locking/rwsem: Support optimistic spinning
By copying each found item seperatly to userspace, we do not need extra
buffer in the kernel.
Signed-off-by: Gerhard Heift <Gerhard@Heift.Name>
Signed-off-by: Chris Mason <clm@fb.com>
Acked-by: David Sterba <dsterba@suse.cz>
This new function reads the content of an extent directly to user memory.
Signed-off-by: Gerhard Heift <Gerhard@Heift.Name>
Signed-off-by: Chris Mason <clm@fb.com>
Acked-by: David Sterba <dsterba@suse.cz>
If an item in tree_search is too large to be stored in the given buffer, return
the needed size (including the header).
Signed-off-by: Gerhard Heift <Gerhard@Heift.Name>
Signed-off-by: Chris Mason <clm@fb.com>
Acked-by: David Sterba <dsterba@suse.cz>
In copy_to_sk, if an item is too large for the given buffer, it now returns
-EOVERFLOW instead of copying a search_header with len = 0. For backward
compatibility for the first item it still copies such a header to the buffer,
but not any other following items, which could have fitted.
tree_search changes -EOVERFLOW back to 0 to behave similiar to the way it
behaved before this patch.
Signed-off-by: Gerhard Heift <Gerhard@Heift.Name>
Signed-off-by: Chris Mason <clm@fb.com>
Acked-by: David Sterba <dsterba@suse.cz>
rewrite search_ioctl to accept a buffer with varying size
Signed-off-by: Gerhard Heift <Gerhard@Heift.Name>
Signed-off-by: Chris Mason <clm@fb.com>
Acked-by: David Sterba <dsterba@suse.cz>
If the amount of items reached the given limit of nr_items, we can leave
copy_to_sk without updating the key. Also by returning 1 we leave the loop in
search_ioctl without rechecking if we reached the given limit.
Signed-off-by: Gerhard Heift <Gerhard@Heift.Name>
Signed-off-by: Chris Mason <clm@fb.com>
Acked-by: David Sterba <dsterba@suse.cz>
Calculating the 'security.evm' HMAC value requires access to the
EVM encrypted key. Only the kernel should have access to it. This
patch prevents userspace tools(eg. setfattr, cp --preserve=xattr)
from setting/modifying the 'security.evm' HMAC value directly.
Signed-off-by: Mimi Zohar <zohar@linux.vnet.ibm.com>
Cc: <stable@vger.kernel.org>
When IMA did not support ima-appraisal, existance of the S_IMA flag
clearly indicated that the file was measured. With IMA appraisal S_IMA
flag indicates that file was measured and/or appraised. Because of
this, when measurement is not enabled by the policy, violations are
still reported.
To differentiate between measurement and appraisal policies this
patch checks the inode integrity cache flags. The IMA_MEASURED
flag indicates whether the file was actually measured, while the
IMA_MEASURE flag indicates whether the file should be measured.
Unfortunately, the IMA_MEASURED flag is reset to indicate the file
needs to be re-measured. Thus, this patch checks the IMA_MEASURE
flag.
This patch limits the false positive violation reports, but does
not fix it entirely. The IMA_MEASURE/IMA_MEASURED flags are
indications that, at some point in time, the file opened for read
was in policy, but might not be in policy now (eg. different uid).
Other changes would be needed to further limit false positive
violation reports.
Changelog:
- expanded patch description based on conversation with Roberto (Mimi)
Signed-off-by: Dmitry Kasatkin <d.kasatkin@samsung.com>
Signed-off-by: Mimi Zohar <zohar@linux.vnet.ibm.com>
ima_rdwr_violation_check is called for every file openning.
The function checks the policy even when violation condition
is not met. It causes unnecessary policy checking.
This patch does policy checking only if violation condition is met.
Changelog:
- check writecount is greater than zero (Mimi)
Signed-off-by: Dmitry Kasatkin <d.kasatkin@samsung.com>
Signed-off-by: Mimi Zohar <zohar@linux.vnet.ibm.com>
Newer versions of SMACK introduced following security xattrs:
SMACK64EXEC, SMACK64TRANSMUTE and SMACK64MMAP.
To protect these xattrs, this patch includes them in the HMAC
calculation. However, for backwards compatibility with existing
labeled filesystems, including these xattrs needs to be
configurable.
Changelog:
- Add SMACK dependency on new option (Mimi)
Signed-off-by: Dmitry Kasatkin <d.kasatkin@samsung.com>
Signed-off-by: Mimi Zohar <zohar@linux.vnet.ibm.com>
