Pull s390 fixes from Martin Schwidefsky:
"A couple of bug fixes, the most hairy on is the flush_tlb_kernel_range
fix. Another case of "how could this ever have worked?"."
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/kdump: Do not add standby memory for kdump
drivers/i2c: remove !S390 dependency, add missing GENERIC_HARDIRQS dependencies
s390/scm: process availability
s390/scm_blk: suspend writes
s390/scm_drv: extend notify callback
s390/scm_blk: fix request number accounting
s390/mm: fix flush_tlb_kernel_range()
s390/mm: fix vmemmap size calculation
s390: critical section cleanup vs. machine checks
Things are calming down for arm-soc as well. This set of bug fixes is
dominated in size by the at91 platform bug fixes. Some of them were
meant to go through the framebuffer tree during the merge window, but
since the framebuffer maintainer could not be reached, I offered to
take them here. The other notable at91 change is the addition of pinctrl
definitions to fix the NAND controller.
The rest are mostly simple regression fixes:
* Our removal of VIRT_TO_BUS conflicted with Stephen Rothwell's
renaming of the Kconfig symbol. You will get a trivial merge conflict
here, we still want to remove it.
* missing bits for clocks on imx and s5pv210
* missing header inclusions in mmp and shmobile
* typos in s5pv210 camera and vt8500 clock support code
and three trivial fixes for pre-3.8 bugs:
* an old bogus build warning in the joystick driver
* a misleading Kconfig description
* a NULL pointer check on davinci
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Merge tag 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC bug fixes from Arnd Bergmann:
"Things are calming down for arm-soc as well. This set of bug fixes is
dominated in size by the at91 platform bug fixes. Some of them were
meant to go through the framebuffer tree during the merge window, but
since the framebuffer maintainer could not be reached, I offered to
take them here. The other notable at91 change is the addition of
pinctrl definitions to fix the NAND controller.
The rest are mostly simple regression fixes:
- Our removal of VIRT_TO_BUS conflicted with Stephen Rothwell's
renaming of the Kconfig symbol. You will get a trivial merge
conflict here, we still want to remove it.
- missing bits for clocks on imx and s5pv210
- missing header inclusions in mmp and shmobile
- typos in s5pv210 camera and vt8500 clock support code
and three trivial fixes for pre-3.8 bugs:
- an old bogus build warning in the joystick driver
- a misleading Kconfig description
- a NULL pointer check on davinci"
* tag 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
ARM: fix CONFIG_VIRT_TO_BUS handling
ARM: i.MX35: enable MAX clock
ARM: Scorpion is a v7 architecture, not v6
ARM: mmp: add platform_device head file in gplugd
input/joystick: use get_cycles on ARM
[media] s5p-fimc: fix s5pv210 build
clk: vt8500: Fix "fix device clock divisor calculations"
ARM: i.MX25: Fix DT compilation
ARM: at91: fix infinite loop in at91_irq_suspend/resume
ARM: at91: add gpio suspend/resume support when using pinctrl
ARM: at91: fix LCD-wiring mode
atmel_lcdfb: fix 16-bpp modes on older SOCs
ARM: at91: dt: at91sam9x5: complete NAND pinctrl
ARM: at91: dt: at91sam9x5: correct NAND pins comments
ARM: davinci: edma: fix dmaengine induced null pointer dereference on da830
ARM: shmobile: marzen: Include mmc/host.h
ARM: EXYNOS: Add #dma-cells for generic dma binding support for PL330
ARM: S5PV210: Fix PL330 DMA controller clkdev entries
Pull powerpc fixes from Ben Herrenschmidt:
"Here's a few powerpc fixes for 3.9, mostly regressions (though not all
from 3.9 merge window) that we've been hammering into shape over the
last couple of weeks. They fix booting on Cell and G5 among other
things (yes, we've been a bit sloppy with older machines this time
around)."
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc:
powerpc: Rename USER_ESID_BITS* to ESID_BITS*
powerpc: Update kernel VSID range
powerpc: Make VSID_BITS* dependency explicit
powerpc: Make sure that we alays include CONFIG_BINFMT_ELF
powerpc/ptrace: Fix brk.len used uninitialised
powerpc: Fix -mcmodel=medium breakage in prom_init.c
powerpc: Remove last traces of POWER4_ONLY
powerpc: Fix cputable entry for 970MP rev 1.0
powerpc: Fix STAB initialization
Pull ARM fixes from Russell King:
"Just three fixes this time - a fix for a fix for our memset function,
fixing the dummy clockevent so that it doesn't interfere with real
hardware clockevents, and fixing a build error for Tegra."
* 'fixes' of git://git.linaro.org/people/rmk/linux-arm:
ARM: 7675/1: amba: tegra-ahb: Fix build error w/ PM_SLEEP w/o PM_RUNTIME
ARM: 7674/1: smp: Avoid dummy clockevent being preferred over real hardware clock-event
ARM: 7670/1: fix the memset fix
887cbce0 "arch Kconfig: centralise CONFIG_ARCH_NO_VIRT_TO_BUS"
and 4febd95a8 "Select VIRT_TO_BUS directly where needed" from
Stephen Rothwell changed globally how CONFIG_VIRT_TO_BUS is
selected, while my own a5d533ee0 "ARM: disable virt_to_bus/
virt_to_bus almost everywhere" was merged at the same time and
changed which platforms select it on ARM.
The result of this conflict was that we again see CONFIG_VIRT_TO_BUS
on all ARM systems. This patch fixes up the problem and removes
CONFIG_ARCH_NO_VIRT_TO_BUS again on ARM.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
The call tree here is:
sk_clone_lock() <- takes bh_lock_sock(newsk);
xfrm_sk_clone_policy()
__xfrm_sk_clone_policy()
clone_policy() <- uses GFP_ATOMIC for allocations
security_xfrm_policy_clone()
security_ops->xfrm_policy_clone_security()
selinux_xfrm_policy_clone()
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Cc: stable@kernel.org
Signed-off-by: James Morris <james.l.morris@oracle.com>
Either first 3 bytes of the first received tcp segment or last one
over MTU size file can be loss due to the byte alignment problem.
Although ATH6KL_HTC_ALIGN_BYTES was defined for 'extra bytes for htc header
alignment' in the patch "Fix buffer alignment for scatter-gather
I/O"(1df94a857), there exists the bytes loss issue which means that it will be
truncated 3 bytes in the transmitted file contents if a file which has over MTU
size is transferred through TCP/IP stack. It doesn't look like TCP/IP stack
bug of 3.5 or the latest version of kernel but the byte alignment issue. This
patch is to use the roundup() function for the byte alignment rather than the
predefined ATH6KL_HTC_ALIGN_BYTES.
kvalo: fixed indentation
Signed-off-by: Myoungje Kim <mjei78@gmail.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Dan found a check from ath6kl_rx() which doesn't make any sense at all:
" 1327 if (status || !(skb->data + HTC_HDR_LENGTH)) {
^^^^^^^^^^^^^^^^^^^^^^^^^^
skb->data is a pointer. This pointer math is always going to be false.
Should it be testing "packet->act_len < HTC_HDR_LENGTH" or something?"
I don't know what the check really was supposed to do, but I think Dan's guess
is right. Fix it accordingly.
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Dan reported that smatch found a possible issue in ath6kl_wmi_beginscan_cmd()
where we might access sc->supp_rates beyond the end. It shouldn't happen as
ar->wiphy->bands always have just the first two bands set, but add an extra
check just to be sure.
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Now all log messages are sent through the tracing infrastruture as well.
Tracing point doesn't follow debug_mask module parameter, instead it sends
all debug messages, so once you enable ath6kl_log_dbg tracing point you will
get a lot of messages. Needs to be discussed if this is sensible or not.
The overhead should be small enough and we anyway include debug level as
well so it's easy to filter in user space.
I wasn't really sure what to do with ath6kl_dbg_dump() and for now decided
that it also sends the buffer to user space. But most likely in the future
ath6kl_dbg_dump() should go away in favor of using proper tracing points, but
we will see.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Add tracing points for htc layer, just dumping the packets to user space.
I wasn't really sure what to do with the status value, it might not always
be accurate, but I included it anyway.
I skipped htc_pipe (and usb) implementation for now. Need to add those
tracepoints later.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Add a tracing point for hif irq and dump the register content to user space.
This is in hif.c as we could use the same code also with SPI but, as ath6kl
doesn't SPI and most likely never will be, this is used just by SDIO so
name the trace point as ath6kl_sdio_irq to make it easier to manage filters.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Add basic tracing infrastructure support to ath6kl and which can be
enabled with CONFIG_ATH6KL_TRACING.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Julien reported that ar6004 usb device fails to initialise
after host has been rebooted and power is still on for the ar6004 device. He
found out that doing a cold reset fixes the issue.
I wasn't sure what would be the best way to detect if target needs a reset so I
settled on checking a timeout from htc_wait_recv_ctrl_message().
Reported-by: Julien Massot <jmassot@aldebaran-robotics.com>
Tested-by: Julien Massot <jmassot@aldebaran-robotics.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
It was annoying to debug usb warm reboot initialisation problems as many usb
related functions just ignored errors and it wasn't obvious from the kernel
logs what was failing. Fix all that so that error messages are printed and
errors are handled properly.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Printin the firmware capabilities during the first firmware boot makes it easier to find out what
features firmware supports.
Obligatory screenshot:
[21025.678481] ath6kl: ar6003 hw 2.1.1 sdio fw 3.2.0.144 api 3
[21025.678667] ath6kl: firmware supports: sched-scan,sta-p2pdev-duplex,rsn-cap-override
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
The expression to compute the padding needed to fill the uc_sigmask field
to 1024 bits actually computes the padding needed for 1080 bits.
Fortunately, due to the 16-byte alignment of the following field
(uc_mcontext) the definition in glibc contains enough bytes of padding
after uc_sigmask so that the overall offsets and size match in both
definitions.
Signed-off-by: Andreas Schwab <schwab@suse.de>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
The __atomic_hash is only defined when SMP is enabled but the
arm64ksyms.c exports it even for the UP case.
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Commit 1d9d8639c0 ("perf,x86: fix kernel crash with PEBS/BTS after
suspend/resume") introduces a link failure since
perf_restore_debug_store() is only defined for CONFIG_CPU_SUP_INTEL:
arch/x86/power/built-in.o: In function `restore_processor_state':
(.text+0x45c): undefined reference to `perf_restore_debug_store'
Fix it by defining the dummy function appropriately.
Signed-off-by: David Rientjes <rientjes@google.com>
Cc: stable@vger.kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Commit 1d9d8639c0 ("perf,x86: fix kernel crash with PEBS/BTS after
suspend/resume") fixed a crash when doing PEBS performance profiling
after resuming, but in using init_debug_store_on_cpu() to restore the
DS_AREA mtrr it also resulted in a new WARN_ON() triggering.
init_debug_store_on_cpu() uses "wrmsr_on_cpu()", which in turn uses CPU
cross-calls to do the MSR update. Which is not really valid at the
early resume stage, and the warning is quite reasonable. Now, it all
happens to _work_, for the simple reason that smp_call_function_single()
ends up just doing the call directly on the CPU when the CPU number
matches, but we really should just do the wrmsr() directly instead.
This duplicates the wrmsr() logic, but hopefully we can just remove the
wrmsr_on_cpu() version eventually.
Reported-and-tested-by: Parag Warudkar <parag.lkml@gmail.com>
Cc: stable@vger.kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
TCPCT uses option-number 253, reserved for experimental use and should
not be used in production environments.
Further, TCPCT does not fully implement RFC 6013.
As a nice side-effect, removing TCPCT increases TCP's performance for
very short flows:
Doing an apache-benchmark with -c 100 -n 100000, sending HTTP-requests
for files of 1KB size.
before this patch:
average (among 7 runs) of 20845.5 Requests/Second
after:
average (among 7 runs) of 21403.6 Requests/Second
Signed-off-by: Christoph Paasch <christoph.paasch@uclouvain.be>
Signed-off-by: David S. Miller <davem@davemloft.net>
ubuf info allocator uses guest controlled head as an index,
so a malicious guest could put the same head entry in the ring twice,
and we will get two callbacks on the same value.
To fix use upend_idx which is guaranteed to be unique.
Reported-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Cc: stable@kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>
This uses the resource_size() function instead of explicit computation.
Signed-off-by: Silviu-Mihai Popescu <silviupopescu1990@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Trivial sparse detected functions that should be static.
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Cc: Pravin B Shelar <pshelar@nicira.com>
Cc: "David S. Miller" <davem@davemloft.net>
Signed-off-by: Cong Wang <amwang@redhat.com>
Acked-by: Pravin B Shelar <pshelar@nicira.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Pull btrfs fixes from Chris Mason:
"Eric's rcu barrier patch fixes a long standing problem with our
unmount code hanging on to devices in workqueue helpers. Liu Bo
nailed down a difficult assertion for in-memory extent mappings."
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs:
Btrfs: fix warning of free_extent_map
Btrfs: fix warning when creating snapshots
Btrfs: return as soon as possible when edquot happens
Btrfs: return EIO if we have extent tree corruption
btrfs: use rcu_barrier() to wait for bdev puts at unmount
Btrfs: remove btrfs_try_spin_lock
Btrfs: get better concurrency for snapshot-aware defrag work
Conflicts:
net/openvswitch/vport-internal_dev.c
Jesse Gross says:
====================
A couple of minor enhancements for net-next/3.10. The largest is an
extension to allow variable length metadata to be passed to userspace
with packets.
There is a merge conflict in net/openvswitch/vport-internal_dev.c:
A existing commit modifies internal_dev_mac_addr() and a new commit
deletes it. The new one is correct, so you can just remove that function.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Reduce the number of calls required to alloc
a zeroed block of memory.
Trivially reduces overall object size.
Other changes around these removals
o Neaten call argument alignment
o Remove an unnecessary OOM message after dma_alloc_coherent failure
o Remove unnecessary gfp_t stack variable
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
DEFINE_STATIC_SRCU() defines srcu struct and do init at build time.
Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Most of the support was already there. The only thing that was missing
was the call to set the flag. Add this call.
Signed-off-by: Vlad Yasevich <vyasevic@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
If the hardware initialization fails in bnx2x_nic_load() after adding
napi objects, they would not be deleted. A subsequent attempt to unload
the bnx2x module detects a corruption in the napi list.
Add the missing napi deletion to the error path.
Signed-off-by: Michal Schmidt <mschmidt@redhat.com>
Acked-by: Dmitry Kravkov <dmitry@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
John W. Linville says:
====================
On the NFC bits, Samuel says:
"With this one we have:
- A fix for properly decreasing socket ack log.
- A timer and works cleanup upon NFC device removal.
- A monitoroing socket cleanup round from llcp_socket_release.
- A proper error report to pending sockets upon NFC device removal."
Regarding the Bluetooth bits, Gustavo says:
"I have these two patches for 3.9, these add support for two more devices to
the bluetooth drivers."
Along with those, we have a few wireless driver fixes...
Bing Zhao provides an mwifiex to prevent an out-of-bounds memory
access.
John Crispin offers a Kconfig fix to enable some otherwise dead code
in rt2x00. The correct symbols were added in -rc1 through a different
tree, but the symbols for enabling the wireless driver didn't match.
Larry Finger brings an rtlwifi fix for a scheduling while atomic bug,
and another fix for a reassociation problem caused by failing to
clear the BSSID after a disconnect.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch generalizes VXLAN forwarding table entries allowing an administrator
to:
1) specify multiple destinations for a given MAC
2) specify alternate vni's in the VXLAN header
3) specify alternate destination UDP ports
4) use multicast MAC addresses as fdb lookup keys
5) specify multicast destinations
6) specify the outgoing interface for forwarded packets
The combination allows configuration of more complex topologies using VXLAN
encapsulation.
Changes since v1: rebase to 3.9.0-rc2
Signed-Off-By: David L Stevens <dlstevens@us.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Fix which was done in the following commit in cpsw driver has
to be taken forward to davinci emac driver as well.
commit d35162f89b
Author: Daniel Mack <zonque@gmail.com>
Date: Tue Mar 12 06:31:19 2013 +0000
net: ethernet: cpsw: fix usage of cpdma_check_free_tx_desc()
Commit fae50823d0 ("net: ethernet: davinci_cpdma: Add boundary for rx
and tx descriptors") introduced a function to check the current
allocation state of tx packets. The return value is taken into account
to stop the netqork queue on the adapter in case there are no free
slots.
However, cpdma_check_free_tx_desc() returns 'true' if there is room in
the bitmap, not 'false', so the usage of the function is wrong.
Reported-by: Prabhakar Lad <prabhakar.csengg@gmail.com>
Tested-by: Prabhakar Lad <prabhakar.csengg@gmail.com>
Signed-off-by: Mugunthan V N <mugunthanvnm@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
caif_shm is an old implementation
caif_shm will be replaced by caif_virtio
[ As explained by Linus Walleij: "U5500 used this, but was cancelled
and the silicon did not reach anyone outside ST-Ericsson. Then for
the next platforms, we have gone for the leaner & cleaner approach
of using virtio, rpmesg and rproc." ]
Signed-off-by: Erwan Yvin <erwan.yvin@stericsson.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Sjur Brendeland <sjur.brandeland@stericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The automated ARM build tests have shown that the tulip de4x5 driver
uses the old-style virt_to_bus() interface on some architectures.
Alpha, Sparc and PowerPC did not hit this problem, because they
use a different code path, and most other architectures actually
do provide VIRT_TO_BUS.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: Grant Grundler <grundler@parisc-linux.org>
Cc: netdev@vger.kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>
Disabling CONFIG_VIRT_TO_BUS on ARM showed that the hisax netjet
driver depends on this deprecated functionality but is not
marked so in Kconfig.
Rather than adding ARM to the already long list of architectures
that this driver is broken on, this patch adds 'depends on
VIRT_TO_BUS' and removes the dependency on !SPARC, which is
also implied by that.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: Karsten Keil <isdn@linux-pingi.de>
Cc: netdev@vger.kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>
commit bd329e1 ("net: cdc_ncm: do not bind to NCM compatible MBIM devices")
introduced a new policy, preferring MBIM for dual NCM/MBIM functions if
the cdc_mbim driver was enabled. This caused a regression for users
wanting to use NCM.
Devices implementing NCM backwards compatibility according to section
3.2 of the MBIM v1.0 specification allow either NCM or MBIM on a single
USB function, using different altsettings. The cdc_ncm and cdc_mbim
drivers will both probe such functions, and must agree on a common
policy for selecting either MBIM or NCM. Until now, this policy has
been set at build time based on CONFIG_USB_NET_CDC_MBIM.
Use a module parameter to set the system policy at runtime, allowing the
user to prefer NCM on systems with the cdc_mbim driver.
Cc: Greg Suarez <gsuarez@smithmicro.com>
Cc: Alexey Orishko <alexey.orishko@stericsson.com>
Reported-by: Geir Haatveit <nospam@haatveit.nu>
Reported-by: Tommi Kyntola <kynde@ts.ray.fi>
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=54791
Signed-off-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: David S. Miller <davem@davemloft.net>
Range/validity checks on rta_type in rtnetlink_rcv_msg() do
not account for flags that may be set. This causes the function
to return -EINVAL when flags are set on the type (for example
NLA_F_NESTED).
Signed-off-by: Vlad Yasevich <vyasevic@redhat.com>
Acked-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
This reverts commit 412ed94744.
The commit is wrong as tiph points to the outer IPv4 header which is
installed at ipgre_header() and not the inner one which is protocol dependant.
This commit broke succesfully opennhrp which use PF_PACKET socket with
ETH_P_NHRP protocol. Additionally ssl_addr is set to the link-layer
IPv4 address. This address is written by ipgre_header() to the skb
earlier, and this is the IPv4 header tiph should point to - regardless
of the inner protocol payload.
Signed-off-by: Timo Teräs <timo.teras@iki.fi>
Signed-off-by: David S. Miller <davem@davemloft.net>
Linus Torvalds