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Shahid Habib noticed that when xdp1 was killed from a different console the xdp
program was not cleaned-up properly in the kernel and it continued to forward
traffic.
Most of the applications in samples/bpf cleanup properly, but only when getting
SIGINT. Since kill defaults to using SIGTERM, add support to cleanup when the
application receives either SIGINT or SIGTERM.
Signed-off-by: Andy Gospodarek <andy@greyhouse.net>
Reported-by: Shahid Habib <shahid.habib@broadcom.com>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
The error status err is initialized as zero and then being checked
several times to see if it is less than zero even when it has not
been updated. It may seem that the err should be assigned to the
return code of the call to the various *offload_en_set calls and
then we check for failure, however, these functions are void and
never actually return any status.
Since these error checks are redundant we can remove these
as well as err and the error exit label err_exit.
Detected by CoverityScan, CID#1398313 and CID#1398306 ("Logically
dead code")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Reviewed-by: Lino Sanfilippo <LinoSanfilippo@gmx.de>
Acked-by: Pavel Belous <pavel.belous@aquantia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Manish Chopra says:
====================
qlcnic: Bug fix and update version
This series has one fix and bumps up driver version.
Please consider applying to "net"
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Bumping up the version as couple of fixes added after 5.3.65
Signed-off-by: Manish Chopra <manish.chopra@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Currently driver returns error on speed configurations
for 83xx adapter's non XGBE ports, due to this link doesn't
come up on the ports using 1000Base-T as a connector with
autoneg disabled. This patch fixes this with initializing
appropriate port type based on queried module/connector
types from hardware before any speed/autoneg configuration.
Signed-off-by: Manish Chopra <manish.chopra@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Unavoidable crashes in netfront_resume() and netback_changed() after a
previous fail in talk_to_netback() (e.g. when we fail to read MAC from
xenstore) were discovered. The failure path in talk_to_netback() does
unregister/free for netdev but we don't reset drvdata and we try accessing
it after resume.
Fix the bug by removing the whole xen device completely with
device_unregister(), this guarantees we won't have any calls into netfront
after a failure.
Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
In commit 59cc1f61f0 ("net: sched: convert qdisc linked list to
hashtable") we missed the opportunity to considerably speed up
tc_dump_tclass_root() if a qdisc handle is provided by user.
Instead of iterating all the qdiscs, use qdisc_match_from_root()
to directly get the one we look for.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Jiri Kosina <jkosina@suse.cz>
Cc: Jamal Hadi Salim <jhs@mojatatu.com>
Cc: Cong Wang <xiyou.wangcong@gmail.com>
Cc: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch fixes a bug in splitting an SKB during SACK
processing. Specifically if an skb contains multiple
packets and is only partially sacked in the higher sequences,
tcp_match_sack_to_skb() splits the skb and marks the second fragment
as SACKed.
The current code further attempts rounding up the first fragment
to MSS boundaries. But it misses a boundary condition when the
rounded-up fragment size (pkt_len) is exactly skb size. Spliting
such an skb is pointless and causses a kernel warning and aborts
the SACK processing. This patch universally checks such over-split
before calling tcp_fragment to prevent these unnecessary warnings.
Fixes: adb92db857 ("tcp: Make SACK code to split only at mss boundaries")
Signed-off-by: Yuchung Cheng <ycheng@google.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Soheil Hassas Yeganeh <soheil@google.com>
Acked-by: Neal Cardwell <ncardwell@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
I should have known that lowering skb->truesize was dangerous :/
In case packets are not leaving the host via a standard Ethernet device,
but looped back to local sockets, bad things can happen, as reported
by Michael Madsen ( https://bugzilla.kernel.org/show_bug.cgi?id=195713 )
So instead of tweaking skb->truesize, lets change skb->destructor
and keep a reference on the owner socket via its sk_refcnt.
Fixes: f2f872f927 ("netem: Introduce skb_orphan_partial() helper")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: Michael Madsen <mkm@nabto.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Daniel Borkmann says:
====================
Two generic xdp related follow-ups
Two follow-ups for the generic XDP API, would be great if
both could still be considered, since the XDP API is not
frozen yet. For details please see individual patches.
v1 -> v2:
- Implemented feedback from Jakub Kicinski (reusing
attribute on dump), thanks!
- Rest as is.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
While working on the iproute2 generic XDP frontend, I noticed that
as of right now it's possible to have native *and* generic XDP
programs loaded both at the same time for the case when a driver
supports native XDP.
The intended model for generic XDP from b5cdae3291 ("net: Generic
XDP") is, however, that only one out of the two can be present at
once which is also indicated as such in the XDP netlink dump part.
The main rationale for generic XDP is to ease accessibility (in
case a driver does not yet have XDP support) and to generically
provide a semantical model as an example for driver developers
wanting to add XDP support. The generic XDP option for an XDP
aware driver can still be useful for comparing and testing both
implementations.
However, it is not intended to have a second XDP processing stage
or layer with exactly the same functionality of the first native
stage. Only reason could be to have a partial fallback for future
XDP features that are not supported yet in the native implementation
and we probably also shouldn't strive for such fallback and instead
encourage native feature support in the first place. Given there's
currently no such fallback issue or use case, lets not go there yet
if we don't need to.
Therefore, change semantics for loading XDP and bail out if the
user tries to load a generic XDP program when a native one is
present and vice versa. Another alternative to bailing out would
be to handle the transition from one flavor to another gracefully,
but that would require to bring the device down, exchange both
types of programs, and bring it up again in order to avoid a tiny
window where a packet could hit both hooks. Given this complicates
the logic for just a debugging feature in the native case, I went
with the simpler variant.
For the dump, remove IFLA_XDP_FLAGS that was added with b5cdae3291
and reuse IFLA_XDP_ATTACHED for indicating the mode. Dumping all
or just a subset of flags that were used for loading the XDP prog
is suboptimal in the long run since not all flags are useful for
dumping and if we start to reuse the same flag definitions for
load and dump, then we'll waste bit space. What we really just
want is to dump the mode for now.
Current IFLA_XDP_ATTACHED semantics are: nothing was installed (0),
a program is running at the native driver layer (1). Thus, add a
mode that says that a program is running at generic XDP layer (2).
Applications will handle this fine in that older binaries will
just indicate that something is attached at XDP layer, effectively
this is similar to IFLA_XDP_FLAGS attr that we would have had
modulo the redundancy.
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
After commit b5cdae3291 ("net: Generic XDP") we automatically fall
back to a generic XDP variant if the driver does not support native
XDP. Allow for an option where the user can specify that always the
native XDP variant should be selected and in case it's not supported
by a driver, just bail out.
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
We do not want to use the architecture's type.h header when
building BPF programs which are always 64-bit.
Signed-off-by: David S. Miller <davem@davemloft.net>
David S. Miller says:
====================
bpf: Add alignment tracker to verifier.
First we add the alignment tracking logic to the verifier.
Next, we work on building up infrastructure to facilitate regression
testing of this facility.
Finally, we add the "test_align" test case.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
This allows a test case to load a BPF program and unconditionally
acquire the verifier log.
It also allows specification of the strict alignment flag.
Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Add a new field, "prog_flags", and an initial flag value
BPF_F_STRICT_ALIGNMENT.
When set, the verifier will enforce strict pointer alignment
regardless of the setting of CONFIG_EFFICIENT_UNALIGNED_ACCESS.
The verifier, in this mode, will also use a fixed value of "2" in
place of NET_IP_ALIGN.
This facilitates test cases that will exercise and validate this part
of the verifier even when run on architectures where alignment doesn't
matter.
Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
If log_level > 1, do a state dump every instruction and emit it in
a more compact way (without a leading newline).
This will facilitate more sophisticated test cases which inspect the
verifier log for register state.
Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Currently if we add only constant values to pointers we can fully
validate the alignment, and properly check if we need to reject the
program on !CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS architectures.
However, once an unknown value is introduced we only allow byte sized
memory accesses which is too restrictive.
Add logic to track the known minimum alignment of register values,
and propagate this state into registers containing pointers.
The most common paradigm that makes use of this new logic is computing
the transport header using the IP header length field. For example:
struct ethhdr *ep = skb->data;
struct iphdr *iph = (struct iphdr *) (ep + 1);
struct tcphdr *th;
...
n = iph->ihl;
th = ((void *)iph + (n * 4));
port = th->dest;
The existing code will reject the load of th->dest because it cannot
validate that the alignment is at least 2 once "n * 4" is added the
the packet pointer.
In the new code, the register holding "n * 4" will have a reg->min_align
value of 4, because any value multiplied by 4 will be at least 4 byte
aligned. (actually, the eBPF code emitted by the compiler in this case
is most likely to use a shift left by 2, but the end result is identical)
At the critical addition:
th = ((void *)iph + (n * 4));
The register holding 'th' will start with reg->off value of 14. The
pointer addition will transform that reg into something that looks like:
reg->aux_off = 14
reg->aux_off_align = 4
Next, the verifier will look at the th->dest load, and it will see
a load offset of 2, and first check:
if (reg->aux_off_align % size)
which will pass because aux_off_align is 4. reg_off will be computed:
reg_off = reg->off;
...
reg_off += reg->aux_off;
plus we have off==2, and it will thus check:
if ((NET_IP_ALIGN + reg_off + off) % size != 0)
which evaluates to:
if ((NET_IP_ALIGN + 14 + 2) % size != 0)
On strict alignment architectures, NET_IP_ALIGN is 2, thus:
if ((2 + 14 + 2) % size != 0)
which passes.
These pointer transformations and checks work regardless of whether
the constant offset or the variable with known alignment is added
first to the pointer register.
Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Shubham was recently asking on netdev why in arm64 JIT we don't multiply
the index for accessing the tail call map by 8. That led me into testing
out arm64 JIT wrt tail calls and it turned out I got a NULL pointer
dereference on the tail call.
The buggy access is at:
prog = array->ptrs[index];
if (prog == NULL)
goto out;
[...]
00000060: d2800e0a mov x10, #0x70 // #112
00000064: f86a682a ldr x10, [x1,x10]
00000068: f862694b ldr x11, [x10,x2]
0000006c: b40000ab cbz x11, 0x00000080
[...]
The code triggering the crash is f862694b. x1 at the time contains the
address of the bpf array, x10 offsetof(struct bpf_array, ptrs). Meaning,
above we load the pointer to the program at map slot 0 into x10. x10
can then be NULL if the slot is not occupied, which we later on try to
access with a user given offset in x2 that is the map index.
Fix this by emitting the following instead:
[...]
00000060: d2800e0a mov x10, #0x70 // #112
00000064: 8b0a002a add x10, x1, x10
00000068: d37df04b lsl x11, x2, #3
0000006c: f86b694b ldr x11, [x10,x11]
00000070: b40000ab cbz x11, 0x00000084
[...]
This basically adds the offset to ptrs to the base address of the bpf
array we got and we later on access the map with an index * 8 offset
relative to that. The tail call map itself is basically one large area
with meta data at the head followed by the array of prog pointers.
This makes tail calls working again, tested on Cavium ThunderX ARMv8.
Fixes: ddb55992b0 ("arm64: bpf: implement bpf_tail_call() helper")
Reported-by: Shubham Bansal <illusionist.neo@gmail.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Fix error path while dma open channel issue. Also, no need to check output
on NULL if it's never returned.
Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Julian Wiedmann says:
====================
s390/net fixes
some qeth fixes for -net, the OSM/OSN one being the most crucial.
Please also queue these up for stable.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
commit 5f78e29cee ("qeth: optimize IP handling in rx_mode callback")
added new hash tables, but missed to initialize them.
Fixes: 5f78e29cee ("qeth: optimize IP handling in rx_mode callback")
Signed-off-by: Ursula Braun <ubraun@linux.vnet.ibm.com>
Reviewed-by: Julian Wiedmann <jwi@linux.vnet.ibm.com>
Signed-off-by: Julian Wiedmann <jwi@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Access card->dev only after checking whether's its valid.
Signed-off-by: Julian Wiedmann <jwi@linux.vnet.ibm.com>
Reviewed-by: Ursula Braun <ubraun@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
commit b4d72c08b3 ("qeth: bridgeport support - basic control")
broke the support for OSM and OSN devices as follows:
As OSM and OSN are L2 only, qeth_core_probe_device() does an early
setup by loading the l2 discipline and calling qeth_l2_probe_device().
In this context, adding the l2-specific bridgeport sysfs attributes
via qeth_l2_create_device_attributes() hits a BUG_ON in fs/sysfs/group.c,
since the basic sysfs infrastructure for the device hasn't been
established yet.
Note that OSN actually has its own unique sysfs attributes
(qeth_osn_devtype), so the additional attributes shouldn't be created
at all.
For OSM, add a new qeth_l2_devtype that contains all the common
and l2-specific sysfs attributes.
When qeth_core_probe_device() does early setup for OSM or OSN, assign
the corresponding devtype so that the ccwgroup probe code creates the
full set of sysfs attributes.
This allows us to skip qeth_l2_create_device_attributes() in case
of an early setup.
Any device that can't do early setup will initially have only the
generic sysfs attributes, and when it's probed later
qeth_l2_probe_device() adds the l2-specific attributes.
If an early-setup device is removed (by calling ccwgroup_ungroup()),
device_unregister() will - using the devtype - delete the
l2-specific attributes before qeth_l2_remove_device() is called.
So make sure to not remove them twice.
What complicates the issue is that qeth_l2_probe_device() and
qeth_l2_remove_device() is also called on a device when its
layer2 attribute changes (ie. its layer mode is switched).
For early-setup devices this wouldn't work properly - we wouldn't
remove the l2-specific attributes when switching to L3.
But switching the layer mode doesn't actually make any sense;
we already decided that the device can only operate in L2!
So just refuse to switch the layer mode on such devices. Note that
OSN doesn't have a layer2 attribute, so we only need to special-case
OSM.
Based on an initial patch by Ursula Braun.
Fixes: b4d72c08b3 ("qeth: bridgeport support - basic control")
Signed-off-by: Julian Wiedmann <jwi@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When setting up the device from within the layer discipline's
probe routine, creating the layer-specific sysfs attributes can fail.
Report this error back to the caller, and handle it by
releasing the layer discipline.
Signed-off-by: Ursula Braun <ubraun@linux.vnet.ibm.com>
[jwi: updated commit msg, moved an OSN change to a subsequent patch]
Signed-off-by: Julian Wiedmann <jwi@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
There is a potential unnecessary refcount decrement on error path of
put_device(&pb->mii_bus->dev), as it is possible to avoid the
of_mdio_find_bus() call if mux_bus is specified by the calling function.
The same put_device() is not called in the error path if the
devm_kzalloc of pb fails. This caused the variable used in the
put_device() to be changed, as the pb pointer was obviously not set up.
There is an unnecessary of_node_get() on child_bus_node if the
of_mdiobus_register() is successful, as the
for_each_available_child_of_node() automatically increments this.
Thus the refcount on this node will always be +1 more than it should be.
There is no of_node_put() on child_bus_node if the of_mdiobus_register()
call fails.
Finally, it is lacking devm_kfree() of pb in the error path. While this
might not be technically necessary, it was present in other parts of the
function. So, I am adding it where necessary to make it uniform.
Signed-off-by: Jon Mason <jon.mason@broadcom.com>
Fixes: f20e6657a8 ("mdio: mux: Enhanced MDIO mux framework for integrated multiplexers")
Fixes: 0ca2997d14 ("netdev/of/phy: Add MDIO bus multiplexer support.")
Signed-off-by: David S. Miller <davem@davemloft.net>
Like commit 657831ffc3 ("dccp/tcp: do not inherit mc_list from parent")
we should clear ipv6_mc_list etc. for IPv6 sockets too.
Cc: Eric Dumazet <edumazet@google.com>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Currently rcode is being initialized to NX_RCODE_SUCCESS and later it
is checked to see if it is not NX_RCODE_SUCCESS which is never true. It
appears that there is an unintentional missing assignment of rcode from
the return of the call to netxen_issue_cmd() that was dropped in
an earlier fix, so add it in.
Detected by CoverityScan, CID#401900 ("Logically dead code")
Fixes: 2dcd5d95ad ("netxen_nic: fix cdrp race condition")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The qca_spi driver causes alignment issues on ARM devices.
So fix this by using netdev_alloc_skb_ip_align().
Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
Fixes: 291ab06ecf ("net: qualcomm: new Ethernet over SPI driver for QCA7000")
Signed-off-by: David S. Miller <davem@davemloft.net>
The current codes only deal with the case that the skb is dropped, it
may meet one use-after-free issue when NF_HOOK returns 0 that means
the skb is stolen by one netfilter rule or hook.
When one netfilter rule or hook stoles the skb and return NF_STOLEN,
it means the skb is taken by the rule, and other modules should not
touch this skb ever. Maybe the skb is queued or freed directly by the
rule.
Now uses the nf_hook instead of NF_HOOK to get the result of netfilter,
and check the return value of nf_hook. Only when its value equals 1, it
means the skb could go ahead. Or reset the skb as NULL.
BTW, because vrf_rcv_finish is empty function, so needn't invoke it
even though nf_hook returns 1. But we need to modify vrf_rcv_finish
to deal with the NF_STOLEN case.
There are two cases when skb is stolen.
1. The skb is stolen and freed directly.
There is nothing we need to do, and vrf_rcv_finish isn't invoked.
2. The skb is queued and reinjected again.
The vrf_rcv_finish would be invoked as okfn, so need to free the
skb in it.
Signed-off-by: Gao Feng <gfree.wind@vip.163.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Pull IDE updates from David Miller:
"Two small cleanups in the IDE layer"
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/ide:
ide: don't call memcpy with the same source and destination
ide: use setup_timer
Pull sparc updates from David Miller:
"sparc changes, including a bug fix for handling exceptions during
bzero on some sparc64 cpus"
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc:
sparc64: fix fault handling in NGbzero.S and GENbzero.S
sparc: use memdup_user_nul in sun4m LED driver
sparc: Remove redundant tests in boot_flags_init().
Pull networking fixes from David Miller:
1) Fix multiqueue in stmmac driver on PCI, from Andy Shevchenko.
2) cdc_ncm doesn't actually fully zero out the padding area is
allocates on TX, from Jim Baxter.
3) Don't leak map addresses in BPF verifier, from Daniel Borkmann.
4) If we randomize TCP timestamps, we have to do it everywhere
including SYN cookies. From Eric Dumazet.
5) Fix "ethtool -S" crash in aquantia driver, from Pavel Belous.
6) Fix allocation size for ntp filter bitmap in bnxt_en driver, from
Dan Carpenter.
7) Add missing memory allocation return value check to DSA loop driver,
from Christophe Jaillet.
8) Fix XDP leak on driver unload in qed driver, from Suddarsana Reddy
Kalluru.
9) Don't inherit MC list from parent inet connection sockets, another
syzkaller spotted gem. Fix from Eric Dumazet.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (43 commits)
dccp/tcp: do not inherit mc_list from parent
qede: Split PF/VF ndos.
qed: Correct doorbell configuration for !4Kb pages
qed: Tell QM the number of tasks
qed: Fix VF removal sequence
qede: Fix XDP memory leak on unload
net/mlx4_core: Reduce harmless SRIOV error message to debug level
net/mlx4_en: Avoid adding steering rules with invalid ring
net/mlx4_en: Change the error print to debug print
drivers: net: wimax: i2400m: i2400m-usb: Use time_after for time comparison
DECnet: Use container_of() for embedded struct
Revert "ipv4: restore rt->fi for reference counting"
net: mdio-mux: bcm-iproc: call mdiobus_free() in error path
net: ethernet: ti: cpsw: adjust cpsw fifos depth for fullduplex flow control
ipv6: reorder ip6_route_dev_notifier after ipv6_dev_notf
net: cdc_ncm: Fix TX zero padding
stmmac: pci: split out common_default_data() helper
stmmac: pci: RX queue routing configuration
stmmac: pci: TX and RX queue priority configuration
stmmac: pci: set default number of rx and tx queues
...
This time again a smaller update consisting of:
- support for TI DA8xx dma controller and updates to the cppi driver
- updates on bunch of drivers like xilinx, pl08x, stm32-dma, mv_xor, ioat,
dmatest
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Merge tag 'dmaengine-4.12-rc1' of git://git.infradead.org/users/vkoul/slave-dma
Pull dmaengine updates from Vinod Koul:
"This time again a smaller update consisting of:
- support for TI DA8xx dma controller and updates to the cppi driver
- updates on bunch of drivers like xilinx, pl08x, stm32-dma, mv_xor,
ioat, dmatest"
* tag 'dmaengine-4.12-rc1' of git://git.infradead.org/users/vkoul/slave-dma: (35 commits)
dmaengine: pl08x: remove lock documentation
dmaengine: pl08x: fix pl08x_dma_chan_state documentation
dmaengine: pl08x: Use the BIT() macro consistently
dmaengine: pl080: Fix some missing kerneldoc
dmaengine: pl080: Cut some unused defines
dmaengine: dmatest: Add check for supported buffer count (sg_buffers)
dmaengine: dmatest: Select DMA_ENGINE_RAID as its needed for the slave_sg test
dmaengine: virt-dma: Convert to use list_for_each_entry_safe()
dma-debug: use offset_in_page() macro
dmaengine: mv_xor: use offset_in_page() macro
dmaengine: dmatest: use offset_in_page() macro
dmaengine: sun4i: fix invalid argument
dmaengine: ioat: use setup_timer
dmaengine: cppi41: Fix an Oops happening in cppi41_dma_probe()
dmaengine: pl330: remove pdata based initialization
dmaengine: cppi: fix build error due to bad variable
dmaengine: imx-sdma: add 1ms delay to ensure SDMA channel is stopped
dmaengine: cppi41: use managed functions devm_*()
dmaengine: cppi41: fix cppi41_dma_tx_status() logic
dmaengine: qcom_hidma: pause the channel on shutdown
...
Adds a new driver for the PWM controller found on MediaTek SoCs and
extends support for the Atmel PWM controller to include the SAMA5D2.
Some existing drivers have been migrated to the atomic API and a few
others see miscellaneous improvements.
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Merge tag 'pwm/for-4.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm
Pull pwm updates from Thierry Reding:
"Adds a new driver for the PWM controller found on MediaTek SoCs and
extends support for the Atmel PWM controller to include the SAMA5D2.
Some existing drivers have been migrated to the atomic API and a few
others see miscellaneous improvements"
* tag 'pwm/for-4.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm:
pwm: tegra: Read PWM clock source rate in driver init
pwm: pca9685: Fix GPIO-only operation
pwm: mediatek: Don't explicitly set .owner
pwm: tegra: Avoid potential overflow for short periods
pwm: tegra: Add support to configure pin state in suspends/resume
pwm: tegra: Add DT binding details to configure pin in suspends/resume
pwm: tegra: Increase precision in PWM rate calculation
pwm: tegra: Use DIV_ROUND_CLOSEST_ULL() instead of local implementation
pwm: Add MediaTek PWM support
dt-bindings: pwm: Add MediaTek PWM bindings
pwm: atmel: Enable PWM on sama5d2
pwm: atmel: Switch to atomic PWM
pwm: atmel-hlcdc: Implement the suspend/resume hooks
pwm: atmel-hlcdc: Convert to the atomic PWM API
This includes:
* Some code optimizations for the Intel VT-d driver
* Code to switch off a previously enabled Intel IOMMU
* Support for 'struct iommu_device' for OMAP, Rockchip and
Mediatek IOMMUs
* Some header optimizations for IOMMU core code headers and a
few fixes that became necessary in other parts of the kernel
because of that
* ACPI/IORT updates and fixes
* Some Exynos IOMMU optimizations
* Code updates for the IOMMU dma-api code to bring it closer to
use per-cpu iova caches
* New command-line option to set default domain type allocated
by the iommu core code
* Another command line option to allow the Intel IOMMU switched
off in a tboot environment
* ARM/SMMU: TLB sync optimisations for SMMUv2, Support for using
an IDENTITY domain in conjunction with DMA ops, Support for
SMR masking, Support for 16-bit ASIDs (was previously broken)
* Various other small fixes and improvements
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Merge tag 'iommu-updates-v4.12' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
Pull IOMMU updates from Joerg Roedel:
- code optimizations for the Intel VT-d driver
- ability to switch off a previously enabled Intel IOMMU
- support for 'struct iommu_device' for OMAP, Rockchip and Mediatek
IOMMUs
- header optimizations for IOMMU core code headers and a few fixes that
became necessary in other parts of the kernel because of that
- ACPI/IORT updates and fixes
- Exynos IOMMU optimizations
- updates for the IOMMU dma-api code to bring it closer to use per-cpu
iova caches
- new command-line option to set default domain type allocated by the
iommu core code
- another command line option to allow the Intel IOMMU switched off in
a tboot environment
- ARM/SMMU: TLB sync optimisations for SMMUv2, Support for using an
IDENTITY domain in conjunction with DMA ops, Support for SMR masking,
Support for 16-bit ASIDs (was previously broken)
- various other small fixes and improvements
* tag 'iommu-updates-v4.12' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: (63 commits)
soc/qbman: Move dma-mapping.h include to qman_priv.h
soc/qbman: Fix implicit header dependency now causing build fails
iommu: Remove trace-events include from iommu.h
iommu: Remove pci.h include from trace/events/iommu.h
arm: dma-mapping: Don't override dma_ops in arch_setup_dma_ops()
ACPI/IORT: Fix CONFIG_IOMMU_API dependency
iommu/vt-d: Don't print the failure message when booting non-kdump kernel
iommu: Move report_iommu_fault() to iommu.c
iommu: Include device.h in iommu.h
x86, iommu/vt-d: Add an option to disable Intel IOMMU force on
iommu/arm-smmu: Return IOVA in iova_to_phys when SMMU is bypassed
iommu/arm-smmu: Correct sid to mask
iommu/amd: Fix incorrect error handling in amd_iommu_bind_pasid()
iommu: Make iommu_bus_notifier return NOTIFY_DONE rather than error code
omap3isp: Remove iommu_group related code
iommu/omap: Add iommu-group support
iommu/omap: Make use of 'struct iommu_device'
iommu/omap: Store iommu_dev pointer in arch_data
iommu/omap: Move data structures to omap-iommu.h
iommu/omap: Drop legacy-style device support
...
syzkaller found a way to trigger double frees from ip_mc_drop_socket()
It turns out that leave a copy of parent mc_list at accept() time,
which is very bad.
Very similar to commit 8b485ce698 ("tcp: do not inherit
fastopen_req from parent")
Initial report from Pray3r, completed by Andrey one.
Thanks a lot to them !
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: Pray3r <pray3r.z@gmail.com>
Reported-by: Andrey Konovalov <andreyknvl@google.com>
Tested-by: Andrey Konovalov <andreyknvl@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When any of the functions contained in NGbzero.S and GENbzero.S
vector through *bzero_from_clear_user, we may end up taking a
fault when executing one of the store alternate address space
instructions. If this happens, the exception handler does not
restore the %asi register.
This commit fixes the issue by introducing a new exception
handler that ensures the %asi register is restored when
a fault is handled.
Orabug: 25577560
Signed-off-by: Dave Aldridge <david.j.aldridge@oracle.com>
Reviewed-by: Rob Gardner <rob.gardner@oracle.com>
Reviewed-by: Babu Moger <babu.moger@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Use memdup_user_nul() helper instead of open-coding to simplify the code.
Signed-off-by: Geliang Tang <geliangtang@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
- AXS10x platform clk updates for I2S, PGU
- Adding region based cache flush operation for ARCv2 cores
- Enforcing PAE40 dependency on HIGHMEM
- ptrace support for additional regs in ARCv2 cores
- Fix build failure in linux-next dut to a header include ordering change
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Merge tag 'arc-4.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc
Pull ARC updates from Vineet Gupta:
- AXS10x platform clk updates for I2S, PGU
- add region based cache flush operation for ARCv2 cores
- enforce PAE40 dependency on HIGHMEM
- ptrace support for additional regs in ARCv2 cores
- fix build failure in linux-next dut to a header include ordering
change
* tag 'arc-4.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc:
Revert "ARCv2: Allow enabling PAE40 w/o HIGHMEM"
ARC: mm: fix build failure in linux-next for UP builds
ARCv2: ptrace: provide regset for accumulator/r30 regs
elf: Add ARCv2 specific core note section
ARCv2: mm: micro-optimize region flush generated code
ARCv2: mm: Merge 2 updates to DC_CTRL for region flush
ARCv2: mm: Implement cache region flush operations
ARC: mm: Move full_page computation into cache version agnostic wrapper
arc: axs10x: Fix ARC PGU default clock frequency
arc: axs10x: Add DT bindings for I2S audio playback
Device-tree updates for arm64 platforms. Just as with 32-bit, a bunch of smaller
changes, but also some new platforms that are worth mentioning:
* Rockchip RK3399 platforms for Chromebooks, including Samsung Chromebook
Plus (Kevin)
* Orange Pi PC2 (Allwinner H5)
* Freescale LS2088A and LS1088A SoCs
* Expanded support for Nvidia Tegra186 (and Jetson TX2)
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Merge tag 'armsoc-dt64' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM 64-bit DT updates from Olof Johansson:
"Device-tree updates for arm64 platforms. Just as with 32-bit, a bunch
of smaller changes, but also some new platforms that are worth
mentioning:
- Rockchip RK3399 platforms for Chromebooks, including Samsung
Chromebook Plus (Kevin)
- Orange Pi PC2 (Allwinner H5)
- Freescale LS2088A and LS1088A SoCs
- Expanded support for Nvidia Tegra186 (and Jetson TX2)"
* tag 'armsoc-dt64' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (180 commits)
arm64: dts: Add basic DT to support Spreadtrum's SP9860G
arm64: dts: exynos: Use - instead of @ for DT OPP entries
arm64: dts: exynos: Add support for s6e3hf2 panel device on TM2e board
arm64: dts: juno: add information about L1 and L2 caches
arm64: dts: juno: fix few unit address format warnings
arm64: marvell: dts: enable the crypto engine on the Armada 8040 DB
arm64: marvell: dts: enable the crypto engine on the Armada 7040 DB
arm64: marvell: dts: add crypto engine description for 7k/8k
arm64: dts: marvell: add sdhci support for Armada 7K/8K
arm64: dts: marvell: add eMMC support for Armada 37xx
arm64: dts: hisi: add pinctrl dtsi file for HiKey960 development board
arm64: dts: hisi: add drive strength levels of the pins for Hi3660 SoC
arm64: dts: hisi: enable the NIC and SAS for the hip07-d05 board
arm64: dts: hisi: add SAS nodes for the hip07 SoC
arm64: dts: hisi: add RoCE nodes for the hip07 SoC
arm64: dts: hisi: add network related nodes for the hip07 SoC
arm64: dts: hisi: add mbigen nodes for the hip07 SoC
arm64: dts: rockchip: fix the memory size of PX5 Evaluation board
arm64: dts: hisilicon: add dts files for hi3798cv200-poplar board
dt-bindings: arm: hisilicon: add bindings for hi3798cv200 SoC and Poplar board
...
Changes to platform code for 64-bit ARM platforms.
Most of these are small changes to the one defconfig we use on arm64
(no per-platform configs there), to enable new drivers.
There are also a few other changes. Broadcom sold off their 'Vulcan'
design to Cavium, where it is now called ThunderX2. While we normally
don't rename stuff based on marketing's whims, it seemed appropriate to
bring in renames on a few things such as MAINTAINERS, etc.
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Merge tag 'armsoc-arm64' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC 64-bit changes from Olof Johansson:
"Changes to platform code for 64-bit ARM platforms.
Most of these are small changes to the one defconfig we use on arm64
(no per-platform configs there), to enable new drivers.
There are also a few other changes. Broadcom sold off their 'Vulcan'
design to Cavium, where it is now called ThunderX2. While we normally
don't rename stuff based on marketing's whims, it seemed appropriate
to bring in renames on a few things such as MAINTAINERS, etc"
* tag 'armsoc-arm64' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
arm64: sunxi: always enable reset controller
arm64: defconfig: enable the Safexcel crypto engine as a module
arm64: configs: enable SDHCI driver for Xenon
MAINTAINERS: Broadcom Vulcan is now Cavium ThunderX2
arm64: defconfig: add Allwinner USB PHY
arm64: defconfig: enable MVPP2
arm64: defconfig: Enable video, DRM and LPASS drivers for Exynos5433 and Exynos7
arm64: exynos: Enable Exynos PMU and PM domains drivers
arm64: only select PINCTRL for Allwinner platforms
arm64: set CONFIG_MMC_BCM2835=y in defconfig
arm64: defconfig: enable I2C_PXA
arm64: defconfig: enable MVNETA
ARM64: defconfig: enable the leds-pwm driver and default-on trigger
arm64: defconfig: Enable SH Mobile I2C controller
Driver updates for ARM SoCs.
* Reset subsystem, merged through arm-soc by tradition:
- Make bool drivers explicitly non-modular
- New support for i.MX7 and Arria10 reset controllers
* PATA driver for Palmchip BK371 (acked by Tejun)
* Power domain drivers for i.MX (GPC, GPCv2)
- Moved out of mach-imx for GPC
- Bunch of tweaks, fixes, etc
* PMC support for Tegra186
* SoC detection support for Renesas RZ/G1H and RZ/G1N
* Move Tegra flow controller driver from mach directory to drivers/soc
- (Power management / CPU power driver)
* Misc smaller tweaks for other platforms
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Merge tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC driver updates from Olof Johansson:
"Driver updates for ARM SoCs:
Reset subsystem, merged through arm-soc by tradition:
- Make bool drivers explicitly non-modular
- New support for i.MX7 and Arria10 reset controllers
PATA driver for Palmchip BK371 (acked by Tejun)
Power domain drivers for i.MX (GPC, GPCv2)
- Moved out of mach-imx for GPC
- Bunch of tweaks, fixes, etc
PMC support for Tegra186
SoC detection support for Renesas RZ/G1H and RZ/G1N
Move Tegra flow controller driver from mach directory to drivers/soc
- (Power management / CPU power driver)
Misc smaller tweaks for other platforms"
* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (60 commits)
soc: pm-domain: Fix the mangled urls
soc: renesas: rcar-sysc: Add support for R-Car H3 ES2.0
soc: renesas: rcar-sysc: Add support for fixing up power area tables
soc: renesas: Register SoC device early
soc: imx: gpc: add workaround for i.MX6QP to the GPC PD driver
dt-bindings: imx-gpc: add i.MX6 QuadPlus compatible
soc: imx: gpc: add defines for domain index
soc: imx: Add GPCv2 power gating driver
dt-bindings: Add GPCv2 power gating driver
ARM/clk: move the ICST library to drivers/clk
ARM: plat-versatile: remove stale clock header
ARM: keystone: Drop PM domain support for k2g
soc: ti: Add ti_sci_pm_domains driver
dt-bindings: Add TI SCI PM Domains
PM / Domains: Do not check if simple providers have phandle cells
PM / Domains: Add generic data pointer to genpd data struct
soc/tegra: Add initial flowctrl support for Tegra132/210
soc/tegra: flowctrl: Add basic platform driver
soc/tegra: Move Tegra flowctrl driver
ARM: tegra: Remove unnecessary inclusion of flowctrl header
...
We've traditionally kept defconfig updates in a separate branch, often to
encourage submaintainers to handle those patches separately to avoid conflicts
on the shared files. The amount of changes seem to be decreasing though, so
we might rethink how we handle this going forward.
There really isn't much to write about here. The bulk of changes here
are enabling drivers for whatever platforms the hardware is found on
(and multi-configs).
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Merge tag 'armsoc-defconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM: SoC defconfig updates from Olof Johansson:
"We've traditionally kept defconfig updates in a separate branch, often
to encourage submaintainers to handle those patches separately to
avoid conflicts on the shared files. The amount of changes seem to be
decreasing though, so we might rethink how we handle this going
forward.
There really isn't much to write about here. The bulk of changes here
are enabling drivers for whatever platforms the hardware is found on
(and multi-configs)"
* tag 'armsoc-defconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (30 commits)
multi_v7_defconfig: make Rockchip usb2-phy built-in
ARM: omap2plus_defconfig: Enable droid 4 devices
ARM: omap2plus_defconfig: Add QMI, ACM and PPP as loadable modules
ARM: configs: aspeed: Add new drivers
ARM: configs: aspeed: Update configs for BMC systems
ARM: omap2plus_defconfig: Enable TI Ethernet PHY
ARM: configs: Add new config fragment to change RAM start point
ARM: configs: stm32: Add I2C support
multi_v7_defconfig: make Rockchip DRM drivers built-in
ARM: configs: stm32: Set CPU_V7M_NUM_IRQ to max value
ARM: imx_v6_v7_defconfig: Select SMSC_PHY
ARM: davinci_all_defconfig: convert to use libata PATA
ARM: qcom_defconfig: Enable Qualcomm remoteproc and related drivers
ARM: omap2plus_defconfig: enable ahci-dm816 module
arm: set CONFIG_MMC_BCM2835=y in bcm2835_defconfig and multi_v7_defconfig
ARM: bcm2835: Enable missing CMA settings for VC4 driver
ARM: socfpga: updates for socfpga_defconfig
ARM: imx_v6_v7_defconfig: Select hid-multitouchdriver
ARM: imx_v6_v7_defconfig: Select max11801_ts touchscreen driver
ARM: exynos_defconfig: Increase CONFIG_CMA_SIZE_MBYTES to 96
...
Device-tree continues to see lots of updates. The majority of patches
here are smaller changes for new hardware on existing platforms, and
there are a few larger changes worth pointing out.
Major new platforms:
- Gemini has been ported to DT, so a handful of "new" platforms moved over
from board files
- Rockchip RK3288 support for Tinkerboard and Phytec phyCORE-RK3288 SoM and RDK
- A bunch of embedded platforms, several Linksys platforms, Synology DS116,
- Motorola Droid4 (really old OMAP-based phone) support is added.
Some refactorings, i.e. Allwinner H3/H5 support is commonalized.
And lots of smaller changes, cleanups, etc. See shortlog for more description
We're adding ability to cross-include DT files between arm and arm64,
by creating appropriate links in the dt-include directory, and using arm/
and arm64/ as include prefixes. This will avoid other local hacks such as
per-file links between the two arch trees (this broke for external mirroring
of DT contents). Now they can just provide their own appropriate dt-include
hierarcy per platform.
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Merge tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM Device-tree updates from Olof Johansson:
"Device-tree continues to see lots of updates. The majority of patches
here are smaller changes for new hardware on existing platforms, and
there are a few larger changes worth pointing out.
Major new platforms:
- Gemini has been ported to DT, so a handful of "new" platforms moved
over from board files
- Rockchip RK3288 support for Tinkerboard and Phytec phyCORE-RK3288
SoM and RDK
- A bunch of embedded platforms, several Linksys platforms, Synology
DS116,
- Motorola Droid4 (really old OMAP-based phone) support is added.
Some refactorings, i.e. Allwinner H3/H5 support is commonalized.
And lots of smaller changes, cleanups, etc. See shortlog for more
description
We're adding ability to cross-include DT files between arm and arm64,
by creating appropriate links in the dt-include directory, and using
arm/ and arm64/ as include prefixes. This will avoid other local hacks
such as per-file links between the two arch trees (this broke for
external mirroring of DT contents). Now they can just provide their
own appropriate dt-include hierarcy per platform"
* tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (349 commits)
ARM: dts: exynos: Use - instead of @ for DT OPP entries
arm: spear6xx: add DT description of the ADC on SPEAr600
arm: spear6xx: remove unneeded pinctrl properties in spear600-evb
arm: spear6xx: switch spear600-evb to the new flash partition DT binding
arm: spear6xx: fix spaces in spear600-evb.dts
arm: spear6xx: use node labels in spear600-evb.dts
arm: spear6xx: add labels to various nodes in spear600.dtsi
ARM: dts: vexpress: fix few unit address format warnings
ARM: dts: at91: sama5d3_xplained: not all ADC channels are available
ARM: dts: at91: sama5d3_xplained: fix ADC vref
ARM: dts: at91: add envelope detector mux to the Axentia TSE-850
ARM: dts: armada-38x: label USB and SATA nodes
ARM: dts: imx6q-utilite-pro: add hpd gpio
ARM: dts: imx6qp-sabresd: Set reg_arm regulator supply
ARM: dts: imx6qdl-sabresd: Set LDO regulator supply
ARM: dts: imx: add Gateworks Ventana GW5903 support
ARM: dts: i.MX25: add AIPS control registers
ARM: dts: imx7-colibri: add Carrier Board 3.3V/5V regulators
ARM: dts: imx7-colibri: remove 1.8V fixed regulator
ARM: dts: imx7-colibri: allow to disable Ethernet rail
...
SoC platform changes (arch/arm/mach-*). This merge window, the bulk is
for a few platforms:
* Gemini:
- Legacy platform that Linus Walleij has converted to multiplatform
and DT, so a handful of various tweaks there, removal of some old
stale support, etc.
* Atmel AT91:
- Fixup of various power management related pieces
- Move of SoC detection to a drivers/soc driver instead
* ST Micro STM32:
- New SoC support: STM32H743
* TI platforms:
- More driver support for Davinci (SATA in particular)
- Removal of some old stale hwmod files (linkspace platform)
* Misc:
- A couple of smaller patches for i.MX, sunxi, hisi
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Merge tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC platform updates from Olof Johansson:
"SoC platform changes (arch/arm/mach-*). This merge window, the bulk is
for a few platforms:
Gemini:
- Legacy platform that Linus Walleij has converted to multiplatform
and DT, so a handful of various tweaks there, removal of some old
stale support, etc.
Atmel AT91:
- Fixup of various power management related pieces
- Move of SoC detection to a drivers/soc driver instead
ST Micro STM32:
- New SoC support: STM32H743
TI platforms:
- More driver support for Davinci (SATA in particular)
- Removal of some old stale hwmod files (linkspace platform)
Misc:
- A couple of smaller patches for i.MX, sunxi, hisi"
* tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (57 commits)
ARM: davinci: Add clock for CPPI 4.1 DMA engine
ARM: mxs: add support for I2SE Duckbill 2 boards
MAINTAINERS: Update the Allwinner sunXi entry
ARM: i.MX25: globally disable supervisor protect
ARM: at91: move SoC detection to its own driver
ARM: at91: pm: correct typo
ARM: at91: pm: Remove at91_pm_set_standby
ARM: at91: pm: Merge all at91sam9*_pm_init
ARM: at91: pm: Tie the USB clock mask to the pmc
ARM: at91: pm: Tie the memory controller type to the ramc id
ARM: at91: pm: Workaround DDRSDRC self-refresh bug with LPDDR1 memories.
ARM: at91: pm: Simplify at91rm9200_standby
ARM: at91: pm: Use struct at91_pm_data in pm_suspend.S
ARM: at91: pm: Move global variables into at91_pm_data
ARM: at91: pm: Move at91_ramc_read/write to pm.c
ARM: at91: pm: Cleanup headers
MAINTAINERS: Add memory drivers to AT91 entry
MAINTAINERS: Update AT91 entry
ARM: davinci: add pata_bk3710 libata driver support
ARM: OMAP2+: mark omap_init_rng as __init
...
Smaller patches that didn't seem to find a home in other branches, and
low-priority fixes from late in the merge window. A number of these are
MAINTAINER updates, it seems.
Highlights:
* Maintainers:
- Remove Alexandre Courbot and Stephen Warren from Tegra maintainership,
add Jon Hunter
- Remove Stephen Warren and add Stefan Wahren to bcm2835
- Tweaks for file flagging for Marvell Dove
* Fixes:
- For two non-common-clk platform, handle clk_disable with NULL arg
- Remove redundant Kconfig select for Oxnas
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Merge tag 'armsoc-fixes-nc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull misc ARM SoC fixes from Olof Johansson:
"ARM SoC non-urgent fixes for merge window
Smaller patches that didn't seem to find a home in other branches, and
low-priority fixes from late in the merge window. A number of these
are MAINTAINER updates, it seems.
Highlights:
* Maintainers:
- Remove Alexandre Courbot and Stephen Warren from Tegra
maintainership, add Jon Hunter
- Remove Stephen Warren and add Stefan Wahren to bcm2835
- Tweaks for file flagging for Marvell Dove
* Fixes:
- For two non-common-clk platform, handle clk_disable with NULL arg
- Remove redundant Kconfig select for Oxnas"
* tag 'armsoc-fixes-nc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
ARM: mmp: let clk_disable() return immediately if clk is NULL
ARM: w90x900: let clk_disable() return immediately if clk is NULL
MAINTAINERS: Add file patterns for dove device tree bindings
ARM: oxnas: remove redundant select CPU_V6K
MAINTAINERS: tegra: Remove self as maintainer
MAINTAINERS: tegra: Replace Stephen with Jon
MAINTAINERS: Add Stefan Wahren to bcm2835.
MAINTAINERS: remove swarren from bcm2835
MAINTAINERS: Add Jon Mason to BCM5301X maintainers
Pull misc vfs updates from Al Viro:
"Assorted bits and pieces from various people. No common topic in this
pile, sorry"
* 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
fs/affs: add rename exchange
fs/affs: add rename2 to prepare multiple methods
Make stat/lstat/fstatat pass AT_NO_AUTOMOUNT to vfs_statx()
fs: don't set *REFERENCED on single use objects
fs: compat: Remove warning from COMPATIBLE_IOCTL
remove pointless extern of atime_need_update_rcu()
fs: completely ignore unknown open flags
fs: add a VALID_OPEN_FLAGS
fs: remove _submit_bh()
fs: constify tree_descr arrays passed to simple_fill_super()
fs: drop duplicate header percpu-rwsem.h
fs/affs: bugfix: Write files greater than page size on OFS
fs/affs: bugfix: enable writes on OFS disks
fs/affs: remove node generation check
fs/affs: import amigaffs.h
fs/affs: bugfix: make symbolic links work again
