Commit graph

691,473 commits

Author SHA1 Message Date
Luis de Bethencourt
aea7b1dc2b staging: iio: accel: add error check
Go to error_ret if sca3000_read_ctrl_reg() failed.

Signed-off-by: Luis de Bethencourt <luisbg@osg.samsung.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-06-27 20:59:10 +01:00
Dan O'Donovan
7feae871b2 iio: adc: ti-adc081c: add ACPI device ID matching
Add ACPI device ID matching for TI ADC081C/ADC101C/ADC121C ADCs.

Signed-off-by: Dan O'Donovan <dan@emutex.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-06-27 20:59:09 +01:00
Crestez Dan Leonard
3b8e73ec82 iio: Refuse to register triggers with duplicate names
The trigger name is documented as unique but drivers are currently
allowed to register triggers with duplicate names. This should be
considered a bug since it makes the 'current_trigger' interface
unusable.

Signed-off-by: Crestez Dan Leonard <leonard.crestez@intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-06-27 20:59:08 +01:00
Xing Zheng
241eff3c19 ARM: dts: rockchip: add support rk3229 evb board
Initial release for rk3229 evb board, and turn the GMAC on.

Signed-off-by: Xing Zheng <zhengxing@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2016-06-27 21:38:50 +02:00
Shuah Khan
cde07f453b selftests: media_tests - Add media_device_open to .gitignore
Add media_device_open to .gitignore

Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
2016-06-27 13:30:23 -06:00
Shuah Khan
fe8777a8a0 selftests: add media controller regression test scripts and document
Add regression test scripts open_loop_test.sh, and bind_unbind_sample.sh.
Also add regression_test.txt that describes the regression test procedure.

Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
2016-06-27 13:29:52 -06:00
Xing Zheng
5d3d7c72b9 ARM: dts: rockchip: add GMAC nodes for RK322x SoCs
This patch add the GMAC dt nodes for rk322x SoCs.

Signed-off-by: Xing Zheng <zhengxing@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2016-06-27 21:28:25 +02:00
Dan Williams
52c44d93c2 block: remove ->driverfs_dev
Now that all drivers that specify a ->driverfs_dev have been converted
to device_add_disk(), the pointer can be removed from struct gendisk.

Cc: Jens Axboe <axboe@fb.com>
Cc: Ross Zwisler <ross.zwisler@linux.intel.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2016-06-27 12:26:08 -07:00
Dan Williams
0d52c756a6 block: convert to device_add_disk()
For block drivers that specify a parent device, convert them to use
device_add_disk().

This conversion was done with the following semantic patch:

    @@
    struct gendisk *disk;
    expression E;
    @@

    - disk->driverfs_dev = E;
    ...
    - add_disk(disk);
    + device_add_disk(E, disk);

    @@
    struct gendisk *disk;
    expression E1, E2;
    @@

    - disk->driverfs_dev = E1;
    ...
    E2 = disk;
    ...
    - add_disk(E2);
    + device_add_disk(E1, E2);

...plus some manual fixups for a few missed conversions.

Cc: Jens Axboe <axboe@fb.com>
Cc: Keith Busch <keith.busch@intel.com>
Cc: Michael S. Tsirkin <mst@redhat.com>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: David S. Miller <davem@davemloft.net>
Cc: James Bottomley <James.Bottomley@hansenpartnership.com>
Cc: Ross Zwisler <ross.zwisler@linux.intel.com>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: Martin K. Petersen <martin.petersen@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2016-06-27 12:26:08 -07:00
Shuah Khan
b96da0fc54 selftests: add media_device_open test
Add a new media test to open, run ioctl, and close the media device file.

Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
2016-06-27 13:21:33 -06:00
Shuah Khan
e9c0d44f53 selftests: media_device_test change it to randomize loop count
Change it to randomize the loop count instead of hardcoded number of times
ioctl is called.

Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
2016-06-27 13:21:26 -06:00
Xing Zheng
ccada24892 ARM: dts: rockchip: add i2s nodes for RK322x SoCs
This patch add the i2s dt nodes for rk322x SoCs.

Signed-off-by: Xing Zheng <zhengxing@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2016-06-27 21:19:52 +02:00
Yannick Brosseau
bff124682e selftests/vm: Don't mlockall MCL_CURRENT in on-fault-limit test
The default MEMLOCK limit is not big enough to accomodate all the
current pages of the test program process, so the test fails
at this step.
By removing the MCL_CURRENT flag, we allow the mlockall
call to succeed. The mmap is twice the size of the current limit,
so it will still fail as expected.

Signed-off-by: Yannick Brosseau <scientist@fb.com>
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
2016-06-27 13:19:24 -06:00
Eric Sandeen
023954351f dax: fix offset overflow in dax_io
This isn't functionally apparent for some reason, but
when we test io at extreme offsets at the end of the loff_t
rang, such as in fstests xfs/071, the calculation of
"max" in dax_io() can be wrong due to pos + size overflowing.

For example,

# xfs_io -c "pwrite 9223372036854771712 512" /mnt/test/file

enters dax_io with:

start 0x7ffffffffffff000
end   0x7ffffffffffff200

and the rounded up "size" variable is 0x1000.  This yields:

pos + size 0x8000000000000000 (overflows loff_t)
       end 0x7ffffffffffff200

Due to the overflow, the min() function picks the wrong
value for the "max" variable, and when we send (max - pos)
into i.e. copy_from_iter_pmem() it is also the wrong value.

This somehow(tm) gets magically absorbed without incident,
probably because iter->count is correct.  But it seems best
to fix it up properly by comparing the two values as
unsigned.

Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2016-06-27 12:18:44 -07:00
Yannick Brosseau
ee65735dd5 selftests/vm: write strlen length instead of sizeof to nr_hugepages
When setting back the initial value to nr_hugepages, the
test was writing a length sizeof of the string and checking
that strlen was writen. Since those values are not the same,
use strlen in both place instead.

Also make the error messages more explicit to help in future
debugging.

Signed-off-by: Yannick Brosseau <scientist@fb.com>
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
2016-06-27 13:18:26 -06:00
SeongJae Park
3aefd1febd selftests/lib: set printf.sh executable
Test for test_printf module fails always because the test program,
printf.sh, has no execution permission.  This commit adds execution
permission to it.

Signed-off-by: SeongJae Park <sj38.park@gmail.com>
Acked-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
2016-06-27 13:17:14 -06:00
Heiko Stuebner
49039270d8 Merge branch 'v4.8-shared/clkids' into v4.8-armsoc/dts32 2016-06-27 21:09:59 +02:00
Huw Davies
3f09354ac8 netlabel: Implement CALIPSO config functions for SMACK.
SMACK uses similar functions to control CIPSO, these are
the equivalent functions for CALIPSO and follow exactly
the same semantics.

int netlbl_cfg_calipso_add(struct calipso_doi *doi_def,
                           struct netlbl_audit *audit_info)
    Adds a CALIPSO doi.

void netlbl_cfg_calipso_del(u32 doi, struct netlbl_audit *audit_info)
    Removes a CALIPSO doi.

int netlbl_cfg_calipso_map_add(u32 doi, const char *domain,
                               const struct in6_addr *addr,
                               const struct in6_addr *mask,
                               struct netlbl_audit *audit_info)
    Creates a mapping between a domain and a CALIPSO doi.  If
    addr and mask are non-NULL this creates an address-selector
    type mapping.

This also extends netlbl_cfg_map_del() to remove IPv6 address-selector
mappings.

Signed-off-by: Huw Davies <huw@codeweavers.com>
Signed-off-by: Paul Moore <paul@paul-moore.com>
2016-06-27 15:06:18 -04:00
Huw Davies
4fee5242bf calipso: Add a label cache.
This works in exactly the same way as the CIPSO label cache.
The idea is to allow the lsm to cache the result of a secattr
lookup so that it doesn't need to perform the lookup for
every skbuff.

It introduces two sysctl controls:
 calipso_cache_enable - enables/disables the cache.
 calipso_cache_bucket_size - sets the size of a cache bucket.

Signed-off-by: Huw Davies <huw@codeweavers.com>
Signed-off-by: Paul Moore <paul@paul-moore.com>
2016-06-27 15:06:17 -04:00
Huw Davies
2e532b7028 calipso: Add validation of CALIPSO option.
Lengths, checksum and the DOI are checked.  Checking of the
level and categories are left for the socket layer.

CRC validation is performed in the calipso module to avoid
unconditionally linking crc_ccitt() into ipv6.

Signed-off-by: Huw Davies <huw@codeweavers.com>
Signed-off-by: Paul Moore <paul@paul-moore.com>
2016-06-27 15:06:17 -04:00
Huw Davies
a04e71f631 netlabel: Pass a family parameter to netlbl_skbuff_err().
This makes it possible to route the error to the appropriate
labelling engine.  CALIPSO is far less verbose than CIPSO
when encountering a bogus packet, so there is no need for a
CALIPSO error handler.

Signed-off-by: Huw Davies <huw@codeweavers.com>
Signed-off-by: Paul Moore <paul@paul-moore.com>
2016-06-27 15:06:16 -04:00
Huw Davies
2917f57b6b calipso: Allow the lsm to label the skbuff directly.
In some cases, the lsm needs to add the label to the skbuff directly.
A NF_INET_LOCAL_OUT IPv6 hook is added to selinux to match the IPv4
behaviour.  This allows selinux to label the skbuffs that it requires.

Signed-off-by: Huw Davies <huw@codeweavers.com>
Signed-off-by: Paul Moore <paul@paul-moore.com>
2016-06-27 15:06:15 -04:00
Huw Davies
0868383b82 ipv6: constify the skb pointer of ipv6_find_tlv().
Signed-off-by: Huw Davies <huw@codeweavers.com>
Signed-off-by: Paul Moore <paul@paul-moore.com>
2016-06-27 15:06:15 -04:00
Huw Davies
e1adea9270 calipso: Allow request sockets to be relabelled by the lsm.
Request sockets need to have a label that takes into account the
incoming connection as well as their parent's label.  This is used
for the outgoing SYN-ACK and for their child full-socket.

Signed-off-by: Huw Davies <huw@codeweavers.com>
Signed-off-by: Paul Moore <paul@paul-moore.com>
2016-06-27 15:05:29 -04:00
Huw Davies
56ac42bc94 ipv6: Allow request socks to contain IPv6 options.
If set, these will take precedence over the parent's options during
both sending and child creation.  If they're not set, the parent's
options (if any) will be used.

This is to allow the security_inet_conn_request() hook to modify the
IPv6 options in just the same way that it already may do for IPv4.

Signed-off-by: Huw Davies <huw@codeweavers.com>
Signed-off-by: Paul Moore <paul@paul-moore.com>
2016-06-27 15:05:28 -04:00
Huw Davies
1f440c99d3 netlabel: Prevent setsockopt() from changing the hop-by-hop option.
If a socket has a netlabel in place then don't let setsockopt() alter
the socket's IPv6 hop-by-hop option.  This is in the same spirit as
the existing check for IPv4.

Signed-off-by: Huw Davies <huw@codeweavers.com>
Signed-off-by: Paul Moore <paul@paul-moore.com>
2016-06-27 15:05:27 -04:00
Huw Davies
ceba1832b1 calipso: Set the calipso socket label to match the secattr.
CALIPSO is a hop-by-hop IPv6 option.  A lot of this patch is based on
the equivalent CISPO code.  The main difference is due to manipulating
the options in the hop-by-hop header.

Signed-off-by: Huw Davies <huw@codeweavers.com>
Signed-off-by: Paul Moore <paul@paul-moore.com>
2016-06-27 15:02:51 -04:00
Huw Davies
3faa8f982f netlabel: Move bitmap manipulation functions to the NetLabel core.
This is to allow the CALIPSO labelling engine to use these.

Signed-off-by: Huw Davies <huw@codeweavers.com>
Signed-off-by: Paul Moore <paul@paul-moore.com>
2016-06-27 15:02:51 -04:00
Huw Davies
e67ae213c7 ipv6: Add ipv6_renew_options_kern() that accepts a kernel mem pointer.
The functionality is equivalent to ipv6_renew_options() except
that the newopt pointer is in kernel, not user, memory

The kernel memory implementation will be used by the CALIPSO network
labelling engine, which needs to be able to set IPv6 hop-by-hop
options.

Signed-off-by: Huw Davies <huw@codeweavers.com>
Signed-off-by: Paul Moore <paul@paul-moore.com>
2016-06-27 15:02:50 -04:00
Huw Davies
d7cce01504 netlabel: Add support for removing a CALIPSO DOI.
Remove a specified DOI through the NLBL_CALIPSO_C_REMOVE command.
It requires the attribute:
 NLBL_CALIPSO_A_DOI.

Signed-off-by: Huw Davies <huw@codeweavers.com>
Signed-off-by: Paul Moore <paul@paul-moore.com>
2016-06-27 15:02:49 -04:00
Huw Davies
dc7de73f19 netlabel: Add support for creating a CALIPSO protocol domain mapping.
This extends the NLBL_MGMT_C_ADD and NLBL_MGMT_C_ADDDEF commands
to accept CALIPSO protocol DOIs.

Signed-off-by: Huw Davies <huw@codeweavers.com>
Signed-off-by: Paul Moore <paul@paul-moore.com>
2016-06-27 15:02:49 -04:00
Huw Davies
e1ce69df7e netlabel: Add support for enumerating the CALIPSO DOI list.
Enumerate the DOI list through the NLBL_CALIPSO_C_LISTALL command.
It takes no attributes.

Signed-off-by: Huw Davies <huw@codeweavers.com>
Signed-off-by: Paul Moore <paul@paul-moore.com>
2016-06-27 15:02:48 -04:00
Huw Davies
a5e34490c3 netlabel: Add support for querying a CALIPSO DOI.
Query a specified DOI through the NLBL_CALIPSO_C_LIST command.
It requires the attribute:
 NLBL_CALIPSO_A_DOI.

The reply will contain:
 NLBL_CALIPSO_A_MTYPE

Signed-off-by: Huw Davies <huw@codeweavers.com>
Signed-off-by: Paul Moore <paul@paul-moore.com>
2016-06-27 15:02:47 -04:00
Huw Davies
cb72d38211 netlabel: Initial support for the CALIPSO netlink protocol.
CALIPSO is a packet labelling protocol for IPv6 which is very similar
to CIPSO.  It is specified in RFC 5570.  Much of the code is based on
the current CIPSO code.

This adds support for adding passthrough-type CALIPSO DOIs through the
NLBL_CALIPSO_C_ADD command.  It requires attributes:

 NLBL_CALIPSO_A_TYPE which must be CALIPSO_MAP_PASS.
 NLBL_CALIPSO_A_DOI.

In passthrough mode the CALIPSO engine will map MLS secattr levels
and categories directly to the packet label.

At this stage, the major difference between this and the CIPSO
code is that IPv6 may be compiled as a module.  To allow for
this the CALIPSO functions are registered at module init time.

Signed-off-by: Huw Davies <huw@codeweavers.com>
Signed-off-by: Paul Moore <paul@paul-moore.com>
2016-06-27 15:02:46 -04:00
Huw Davies
8f18e675c3 netlabel: Add an address family to domain hash entries.
The reason is to allow different labelling protocols for
different address families with the same domain.

This requires the addition of an address family attribute
in the netlink communication protocol.  It is used in several
messages:

NLBL_MGMT_C_ADD and NLBL_MGMT_C_ADDDEF take it as an optional
attribute for the unlabelled protocol.  It may be one of AF_INET,
AF_INET6 or AF_UNSPEC (to specify both address families).  If it
is missing, it defaults to AF_UNSPEC.

NLBL_MGMT_C_LISTALL and NLBL_MGMT_C_LISTDEF return it as part of
the enumeration of each item.  Addtionally, it may be sent to
LISTDEF to specify which address family to return.

Signed-off-by: Huw Davies <huw@codeweavers.com>
Signed-off-by: Paul Moore <paul@paul-moore.com>
2016-06-27 15:02:46 -04:00
Huw Davies
96a8f7f88d netlabel: Mark rcu pointers with __rcu.
This fixes sparse errors of the form:
  incompatible types in comparison expression (different address spaces)

Signed-off-by: Huw Davies <huw@codeweavers.com>
Signed-off-by: Paul Moore <paul@paul-moore.com>
2016-06-27 15:02:45 -04:00
Dan Williams
ee8520fe8c tools/testing/nvdimm: replace CONFIG_DMA_CMA dependency with vmalloc()
DMA_CMA is incompatible with SWIOTLB used in enterprise distro
configurations.  Switch to vmalloc() allocations for all resources.

Acked-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2016-06-27 11:40:46 -07:00
Linus Torvalds
fbe601f7a3 Merge branch 'for-next' of git://git.samba.org/sfrench/cifs-2.6
Pull cifs fixes from Steve French:
 "Various small cifs/smb3 fixes, include some for stable, and some from
  the recent SMB3 test event"

* 'for-next' of git://git.samba.org/sfrench/cifs-2.6:
  File names with trailing period or space need special case conversion
  Fix reconnect to not defer smb3 session reconnect long after socket reconnect
  cifs: check hash calculating succeeded
  cifs: dynamic allocation of ntlmssp blob
  cifs: use CIFS_MAX_DOMAINNAME_LEN when converting the domain name
  cifs: stuff the fl_owner into "pid" field in the lock request
2016-06-27 11:23:44 -07:00
Xing Zheng
8372d93df7 ARM: dts: rockchip: rename rk3228.dtsi to rk322x.dtsi
We have the brother chipset that RK3228 and RK3229, they share most
of dts configuration, but there are a number of different features.
In order to develop the future when they are easy to distinguish,
we need them to be independent.

Signed-off-by: Xing Zheng <zhengxing@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2016-06-27 20:22:46 +02:00
Michal Suchanek
0b06d8cf4f spi: sunxi: set maximum and minimum speed of SPI master
The speed limits are unset in the sun4i and sun6i SPI drivers.

The maximum speed of SPI master is used when maximum speed of SPI slave
is not specified. Also the __spi_validate function should check that
transfer speeds do not exceed the master limits.

The user manual for A10 and A31 specifies maximum
speed of the SPI clock as 100MHz and minimum as 3kHz.

Setting the SPI clock to out-of-spec values can lock up the SoC.

Signed-off-by: Michal Suchanek <hramrach@gmail.com>
--
v2:
new patch
v3:
fix constant style
Signed-off-by: Mark Brown <broonie@kernel.org>
2016-06-27 19:18:35 +01:00
Linus Torvalds
5b7452c840 Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto fixes from Herbert Xu:
 "This fixes the following issues:

   - Missing length check for user-space GETALG request
   - Bogus memmove length in ux500 driver
   - Incorrect priority setting for vmx driver
   - Incorrect ABI selection for vmx driver"

* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
  crypto: user - re-add size check for CRYPTO_MSG_GETALG
  crypto: ux500 - memmove the right size
  crypto: vmx - Increase priority of aes-cbc cipher
  crypto: vmx - Fix ABI detection
2016-06-27 10:59:53 -07:00
Kuninori Morimoto
efc9194bcf ASoC: hdmi-codec: callback function will be called with private data
Current hdmi-codec driver is assuming that it will be registered
from HDMI driver. Because of this assumption, each callback function
has struct device pointer which is parent device (= HDMI).
Then, it can use dev_get_drvdata() to get private data.

OTOH, on some SoC/HDMI case, SoC has VIDEO/SOUND and HDMI IPs.
This case, it needs SoC VIDEO, SoC SOUND and HDMI video, HDMI codec
driver. In DesignWare HDMI IP case, SoC VIDEO (= DRM/KMS) driver tries
to bind DesignWare HDMI video driver, and HDMI codec driver
(= hdmi-codec). This case, above "parent device" of HDMI codec driver
is DRM/KMS driver and its "device" already has private data.

And, from DT and ASoC CPU/Codec/Card binding point of view, HDMI codec
(= hdmi-codec) needs to have "parent device" (= DRM/KMS), otherwise,
it never detect sound card.

Because of these reasons, some driver can't use dev_get_drvdata() to
get private data on hdmi-codec driver. This patch add new void pointer
on hdmi_codec_pdata for private data, and callback function will be
called with it.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2016-06-27 18:53:15 +01:00
Thor Thayer
a67adb32d9 ARM: dts: Add Arria10 Ethernet EDAC devicetree entry
Add the device tree entries needed to support the Altera Ethernet FIFO
buffer EDAC on the Arria10 chip.

Signed-off-by: Thor Thayer <tthayer@opensource.altera.com>
Acked-by: Dinh Nguyen <dinguyen@opensource.altera.com>
Cc: devicetree@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-edac <linux-edac@vger.kernel.org>
Link: http://lkml.kernel.org/r/1466603939-7526-9-git-send-email-tthayer@opensource.altera.com
Signed-off-by: Borislav Petkov <bp@suse.de>
2016-06-27 19:46:19 +02:00
Ravi Bangoria
78f69b5865 perf tools: Add more toolchain triplets
Add few more triplets based on Fedora and Ubuntu binutils (cross tools).

Before applying patch on x86:

  ( Install binutils-powerpc64-linux-gnu.x86_64 )
  $ perf report -i perf.data.powerpc --vmlinux vmlinux.powerpc \
      --objdump powerpc64-linux-gnu-objdump

After applying patch on x86:

  $ perf report -i perf.data.powerpc --vmlinux vmlinux.powerpc

I.e. it will find the right objdump from the environment data recorded
in the perf.data file + these triplets.

Signed-off-by: Ravi Bangoria <ravi.bangoria@linux.vnet.ibm.com>
Cc: Ananth N Mavinakayanahalli <ananth@in.ibm.com>
Cc: Anton Blanchard <anton@ozlabs.org>
Cc: Daniel Axtens <dja@axtens.net>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Link: http://lkml.kernel.org/r/1466769240-12376-7-git-send-email-ravi.bangoria@linux.vnet.ibm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2016-06-27 14:31:41 -03:00
Joel Fernandes
7fa8b7171a tracing/function_graph: Fix filters for function_graph threshold
Function graph tracer currently ignores filters if tracing_thresh is set.
For example, even if set_ftrace_pid is set, then its ignored if tracing_thresh
set, resulting in all processes being traced.

To fix this, we reuse the same entry function as when tracing_thresh is not
set and do everything as in the regular case except for writing the function entry
to the ring buffer.

Link: http://lkml.kernel.org/r/1466228694-2677-1-git-send-email-agnel.joel@gmail.com

Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@redhat.com>
Signed-off-by: Joel Fernandes <agnel.joel@gmail.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2016-06-27 13:29:24 -04:00
Naveen N. Rao
6ef9492915 perf annotate: Generalize handling of 'ret' instructions
Introduce helper to detect 'ret' instructions and use the same in the TUI.
A helper is needed since some architectures such as powerpc have more
than one return instruction.

Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
Cc: Ananth N Mavinakayanahalli <ananth@in.ibm.com>
Cc: Anton Blanchard <anton@ozlabs.org>
Cc: Daniel Axtens <dja@axtens.net>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Link: http://lkml.kernel.org/r/1466769240-12376-5-git-send-email-ravi.bangoria@linux.vnet.ibm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2016-06-27 14:25:05 -03:00
Ard Biesheuvel
9fdc14c55c arm64: mm: fix location of _etext
As Kees Cook notes in the ARM counterpart of this patch [0]:

  The _etext position is defined to be the end of the kernel text code,
  and should not include any part of the data segments. This interferes
  with things that might check memory ranges and expect executable code
  up to _etext.

In particular, Kees is referring to the HARDENED_USERCOPY patch set [1],
which rejects attempts to call copy_to_user() on kernel ranges containing
executable code, but does allow access to the .rodata segment. Regardless
of whether one may or may not agree with the distinction, it makes sense
for _etext to have the same meaning across architectures.

So let's put _etext where it belongs, between .text and .rodata, and fix
up existing references to use __init_begin instead, which unlike _end_rodata
includes the exception and notes sections as well.

The _etext references in kaslr.c are left untouched, since its references
to [_stext, _etext) are meant to capture potential jump instruction targets,
and so disregarding .rodata is actually an improvement here.

[0] http://article.gmane.org/gmane.linux.kernel/2245084
[1] http://thread.gmane.org/gmane.linux.kernel.hardened.devel/2502

Reported-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Reviewed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2016-06-27 18:21:27 +01:00
Florian Fainelli
36e55669eb ARM: dts: BCM5301x: Add RNG Device Tree node
Add the DT node for the random number generator peripheral.

Acked-by: Scott Branden <scott.branden@broadcom.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
2016-06-27 10:15:14 -07:00
Mark Rutland
ea2cbee3bc arm64: mm: simplify memblock numa node extraction
We currently open-code extracting the NUMA node of a memblock region,
which requires an ifdef to cater for !CONFIG_NUMA builds where the
memblock_region::nid field does not exist.

The generic memblock_get_region_node helper is intended to cater for
this. For CONFIG_HAVE_MEMBLOCK_NODE_MAP, builds this returns reg->nid,
and for for !CONFIG_HAVE_MEMBLOCK_NODE_MAP builds this is a static
inline that returns 0. Note that for arm64,
CONFIG_HAVE_MEMBLOCK_NODE_MAP is selected iff CONFIG_NUMA is.

This patch makes use of memblock_get_region_node to simplify the arm64
code. At the same time, we can move the nid variable definition into the
loop, as this is the only place it is used.

Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Reviewed-by: Steve Capper <steve.capper@arm.com>
Acked-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2016-06-27 18:05:39 +01:00
Tero Kristo
3fb2ef111d regulator: tps65218: force set power-up/down strobe to 3 for dcdc3
The reset value for this register seems broken on certain versions of
tps65218 chip, so make sure the dcdc3 settings is proper. Needed for
proper functionality of rtc+ddr / rtc-only modes.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Dave Gerlach <d-gerlach@ti.com>
Signed-off-by: Keerthy <j-keerthy@ti.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2016-06-27 17:56:43 +01:00