Unnecessary since a bucket that has dirty pointers pointing to it can
never be invalidated - and skipping it is a measurable performance
boost, since the bucket gen will usually be a cache miss.
Signed-off-by: Kent Overstreet <kmo@daterainc.com>
We were unnecessarily waiting on a journal write to complete when we just needed
to start a journal write and start setting up the next one.
Signed-off-by: Kent Overstreet <kmo@daterainc.com>
The real fix is where we check the bytes we need against how much is
remaining - we also need to check for a journal entry bigger than our
buffer, we'll never write those and it would be bad if we tried to read
one.
Also improve the diagnostic messages.
Signed-off-by: Kent Overstreet <kmo@daterainc.com>
The code that handles overlapping extents that we've just read back in from disk
was depending on the behaviour of the code that handles overlapping extents as
we're inserting into a btree node in the case of an insert that forced an
existing extent to be split: on insert, if we had to split we'd also insert a
new extent to represent the top part of the old extent - and then that new
extent would get written out.
The code that read the extents back in thus not bother with splitting extents -
if it saw an extent that ovelapped in the middle of an older extent, it would
trim the old extent to only represent the bottom part, assuming that the
original insert would've inserted a new extent to represent the top part.
I still haven't figured out _how_ it can happen, but I'm now pretty convinced
(and testing has confirmed) that there's some kind of an obscure corner case
(probably involving extent merging, and multiple overwrites in different sets)
that breaks this. The fix is to change the mergesort fixup code to split extents
itself when required.
Signed-off-by: Kent Overstreet <kmo@daterainc.com>
Cc: linux-stable <stable@vger.kernel.org> # >= v3.10
The function kvm_io_bus_read_cookie is defined but never used
in current in-tree code.
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Running 'make namespacecheck' found lots of functions that
should be declared static, since only used in one file.
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
According to Table C-1 of Intel SDM 3C, a VM exit happens on an I/O instruction when
"use I/O bitmaps" VM-execution control was 0 _and_ the "unconditional I/O exiting"
VM-execution control was 1. So we can't just check "unconditional I/O exiting" alone.
This patch was improved by suggestion from Jan Kiszka.
Reviewed-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Zhihui Zhang <zzhsuny@gmail.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Hi Greg,
Please queue these two patches to usb-next for 3.14.
An xHCI driver fix for USB ethernet devices that went into 3.13 and 3.12
stable is causing usb-storage to go into an infinite loop, and these two
patches fix the issue. I would like these to get into 3.14-rc1 so we
can avoid any potential data corruption for users.
Sarah Sharp
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Merge tag 'for-usb-next-2014-01-08' of git://git.kernel.org/pub/scm/linux/kernel/git/sarah/xhci into usb-next
Sarah writes:
xhci: Urgent bug fixes for usb-next and 3.14.
Hi Greg,
Please queue these two patches to usb-next for 3.14.
An xHCI driver fix for USB ethernet devices that went into 3.13 and 3.12
stable is causing usb-storage to go into an infinite loop, and these two
patches fix the issue. I would like these to get into 3.14-rc1 so we
can avoid any potential data corruption for users.
Sarah Sharp
One new driver a spot of new functionality and a cleanup.
* New driver for the Capella CM32181 ambient light sensor. This is the first
driver directly from Kevin at Capella with more already in the pipeline.
* Support for configurable predividers on the mxs lradc
* Convert a field to a bitmap in mxs lradc instead of using an array of
unsigned longs to store boolean values.
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Merge tag 'iio-for-3.14c' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-next
Jonathan writes:
Third round of new drivers, features and cleanups for IIO in the 3.14 cycle.
One new driver a spot of new functionality and a cleanup.
* New driver for the Capella CM32181 ambient light sensor. This is the first
driver directly from Kevin at Capella with more already in the pipeline.
* Support for configurable predividers on the mxs lradc
* Convert a field to a bitmap in mxs lradc instead of using an array of
unsigned longs to store boolean values.
Pablo Neira Ayuso says:
====================
Netfilter updates for net-next
The following patchset contains three Netfilter updates, they are:
* Fix wrong usage of skb_header_pointer in the DCCP protocol helper that
has been there for quite some time. It was resulting in copying the dccp
header to a pointer allocated in the stack. Fortunately, this pointer
provides room for the dccp header is 4 bytes long, so no crashes have been
reported so far. From Daniel Borkmann.
* Use format string to print in the invocation of nf_log_packet(), again
in the DCCP helper. Also from Daniel Borkmann.
* Revert "netfilter: avoid get_random_bytes call" as prandom32 does not
guarantee enough entropy when being calling this at boot time, that may
happen when reloading the rule.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
CONFIG_SND_SOC_DMAENGINE_PCM was renamed to CONFIG_SND_DMAENGINE_PCM
recently. And yet we don't have to select it since
CONFIG_SND_GENERIC_DMAENGINE_PCM selects the dependency by itself, so
just rip it off.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Acked-by: Florian Meier <florian.meier@koalo.de>
Signed-off-by: Mark Brown <broonie@linaro.org>
If a broadcast packet is coming from a client marked as
isolated, then mark the skb using the isolation mark so
that netfilter (or any other application) can recognise
them.
The mark is written in the skb based on the mask value:
only bits set in the mask are substitued by those in the
mark value
Signed-off-by: Antonio Quartulli <antonio@open-mesh.com>
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
The AP isolation status may be evaluated in different spots.
Create an helper function to avoid code duplication.
Signed-off-by: Antonio Quartulli <antonio@open-mesh.com>
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
Change the AP isolation mechanism to not only "isolate" WIFI
clients but also all those marked with the more generic
"isolation flag" (BATADV_TT_CLIENT_ISOLA).
The result is that when AP isolation is on any unicast
packet originated by an "isolated" client and directed to
another "isolated" client is dropped at the source node.
Signed-off-by: Antonio Quartulli <antonio@open-mesh.com>
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
Print the new BATADV_TT_CLIENT_ISOLA flag properly in the
Local and Global Translation Table output.
The character 'I' is used in the flags column to indicate
that the entry is marked as isolated.
Signed-off-by: Antonio Quartulli <antonio@open-mesh.com>
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
A client sending packets which mark matches the value
configured via sysfs has to be identified as isolated using
the TT_CLIENT_ISOLA flag.
The match is mask based, meaning that only bits set in the
mask are compared with those in the mark value.
If the configured mask is equal to 0 no operation is
performed.
Such flag is then advertised within the classic client
announcement mechanism.
Signed-off-by: Antonio Quartulli <antonio@open-mesh.com>
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
This attribute can be used to set and read the value and the
mask of the skb mark which will be used to classify the
source non-mesh client as ISOLATED. In this way a client can
be advertised as such and the mark can potentially be
restored at the receiving node before delivering the skb.
This can be helpful for creating network wide netfilter
policies.
This sysfs file expects a string of the shape "$mark/$mask".
Where $mark has to be a 32-bit number in any base, while
$mask must be a 32bit mask expressed in hex base. Only bits
in $mark covered by the bitmask are really stored.
Signed-off-by: Antonio Quartulli <antonio@open-mesh.com>
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
In different situations it is possible that the DHCP server
or client uses broadcast Ethernet frames to send messages
to each other. The GW component in batman-adv takes care of
using bat-unicast packets to bring broadcast DHCP
Discover/Requests to the "best" server.
On the way back the DHCP server usually sends unicasts,
but upon client request it may decide to use broadcasts as
well.
This patch improves the GW component so that it now snoops
and sends as unicast all the DHCP packets, no matter if they
were generated by a DHCP server or client.
Signed-off-by: Antonio Quartulli <antonio@open-mesh.com>
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
Remove parenthesis around return expression as suggested by
checkpatch.
Signed-off-by: Antonio Quartulli <antonio@meshcoding.com>
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
The function batadv_gw_deselect() is actually not deselecting
anything. It is just informing the GW code to perform a
re-election procedure when possible.
The current gateway is not being touched at all and therefore
the name of this function is rather misleading.
Rename it to batadv_gw_reselect() to batadv_gw_reselect()
to make its behaviour easier to grasp.
Signed-off-by: Antonio Quartulli <antonio@open-mesh.com>
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
When switching from gw_mode client to either off or server
the current selected gateway has to be deselected.
In this way when client mode is enabled again a gateway
re-election is forced and a GW_ADD event is consequently
sent.
The current behaviour instead is to keep the current gateway
leading to no GW_ADD event when gw_mode client is selected
for a second time
Signed-off-by: Antonio Quartulli <antonio@open-mesh.com>
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
Signed-off-by: Antonio Quartulli <antonio@meshcoding.com>
As suggested by checkpatch, remove all the references to the
FSF address since the kernel already has one reference in
its documentation.
In this way it is easier to update it in case of future
changes.
Signed-off-by: Antonio Quartulli <antonio@meshcoding.com>
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
If possible, operations like ntohs/ntohl should not be
performed too often. Use a variable to locally store the
converted value and then use it.
Signed-off-by: Antonio Quartulli <antonio@open-mesh.com>
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
Signed-off-by: Antonio Quartulli <antonio@meshcoding.com>
This patch fixes the usage of printk in wpactl.c concering one missing log level
occurence and some whitespaces before a newline.
Signed-off-by: Martin Hofmann <martin.hofmann@studium.uni-erlangen.de>
Signed-off-by: Michael Gunselmann <michael.gunselmann@studium.uni-erlangen.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
wpactl.h contained some typedefs for enums. These were removed in this patch.
Also, a typedef for a type "unsigned long long" that was only instantiated in
one place was removed and its declaration altered.
Signed-off-by: Martin Hofmann <martin.hofmann@studium.uni-erlangen.de>
Signed-off-by: Michael Gunselmann <michael.gunselmann@studium.uni-erlangen.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This patch fixes indentation style belonging to function calls as well as some
run-away closing parentheses when calling functions.
Signed-off-by: Martin Hofmann <martin.hofmann@studium.uni-erlangen.de>
Signed-off-by: Michael Gunselmann <michael.gunselmann@studium.uni-erlangen.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This patch removes some unnecessary braces concerning if-statements in the file
wroute.c
Signed-off-by: Martin Hofmann <martin.hofmann@studium.uni-erlangen.de>
Signed-off-by: Michael Gunselmann <michael.gunselmann@studium.uni-erlangen.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The file wroute.c contained some silly casts. This patch removes them.
Signed-off-by: Martin Hofmann <martin.hofmann@studium.uni-erlangen.de>
Signed-off-by: Michael Gunselmann <michael.gunselmann@studium.uni-erlangen.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The file 80211hdr.h contained the macro WLAN_GET_FC_PRVER(n). The big endian
fashion of this macro had unbalanced parentheses. This patch removes the
parentheses in question.
Signed-off-by: Martin Hofmann <martin.hofmann@studium.uni-erlangen.de>
Signed-off-by: Michael Gunselmann <michael.gunselmann@studium.uni-erlangen.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
We dereference "param->u.wpa_key.key" on the next line so the check
here is inconsistent. This is only called from iwctl_siwencodeext() and
"param->u.wpa_key.key" is a valid pointer.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
key_len == MAX_KEY_LEN is valid but we return an error.
Introduced-by: 6b7200fe0a ('Staging: vt6655: memory corruption in check in wpa_set_wpadev()')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
uBeaconInterval becomes u32
get next TBTT value using vendor's equation as shown.
This patch was checked against the original code
and yields exactly the same value.
Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Commit 35773dac5f "usb: xhci: Link TRB
must not occur within a USB payload burst" attempted to fix an issue
found with USB ethernet adapters, and inadvertently broke USB storage
devices. The patch attempts to ensure that transfers never span a
segment, and rejects transfers that have more than 63 entries (or
possibly less, if some entries cross 64KB boundaries).
usb-storage limits the maximum transfer size to 120K, and we had assumed
the block layer would pass a scatter-gather list of 4K entries,
resulting in no more than 31 sglist entries:
http://marc.info/?l=linux-usb&m=138498190419312&w=2
That assumption was wrong, since we've seen the driver reject a write
that was 218 sectors long (of probably 512 bytes each):
Jan 1 07:04:49 jidanni5 kernel: [ 559.624704] xhci_hcd 0000:00:14.0: Too many fragments 79, max 63
...
Jan 1 07:04:58 jidanni5 kernel: [ 568.622583] Write(10): 2a 00 00 06 85 0e 00 00 da 00
Limit the number of scatter-gather entries to half a ring segment. That
should be margin enough in case some entries cross 64KB boundaries.
Increase the number of TRBs per segment from 64 to 256, which should
result in ring segments fitting on a 4K page.
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Reported-by: jidanni@jidanni.org
References: http://bugs.debian.org/733907
Fixes: 35773dac5f ('usb: xhci: Link TRB must not occur within a USB payload burst')
Cc: stable <stable@vger.kernel.org> # 3.12
Currently prepare_ring() returns -ENOMEM if the urb won't fit into a
single ring segment. usb_sg_wait() treats this error as a temporary
condition and will keep retrying until something else goes wrong.
The number of retries should be limited in usb_sg_wait(), but also
prepare_ring() should not return an error code that suggests it might
be worth retrying. Change it to -EINVAL.
Reported-by: jidanni@jidanni.org
References: http://bugs.debian.org/733907
Fixes: 35773dac5f ('usb: xhci: Link TRB must not occur within a USB payload burst')
Cc: stable <stable@vger.kernel.org> # 3.12
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
It only contains one fix for a regression introduced with commit
e29a9e2ae1. Without this fix, we can not establish a p2p link in
target mode. Only initiator mode works.
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Merge tag 'nfc-fixes-3.13-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/nfc-fixes
Samuel Ortiz <sameo@linux.intel.com> says:
"This is the first NFC fixes pull request for 3.13.
It only contains one fix for a regression introduced with commit
e29a9e2ae1. Without this fix, we can not establish a p2p link in
target mode. Only initiator mode works."
Signed-off-by: John W. Linville <linville@tuxdriver.com>
The irq data for rng module defined in hwmod data previously
missed the OMAP_INTC_START relative offset, so the interrupt
number is probably misconfigured during the DT node addition
adjusting for this OMAP_INTC_START. Interrupt #36 is associated
with a watchdog timer, so fix the rng module's interrupt to the
appropriate interrupt #52.
Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Move the start of booting the DSP to earlier in the DAPM process, and
move the final starting of the DSP to later in the DAPM process. This
allows us to overlap some of the processing with other components of the
system being brought up.
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Move the ADSP2 boot proceedure into a work structure in preparation for
running it asynchronously with the reset of the audio path bring up.
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
The pl330 dmac won't be added to the list of amba devices, as it doesn't have
a clock entry.
Add the clock.
Signed-off-by: Steffen Trumtrar <s.trumtrar@pengutronix.de>
Signed-off-by: Dinh Nguyen <dinguyen@altera.com>
This patch adds a label and #clock-cells property to device node of
max77686 PMIC to allow using it as a clock provider.
Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
If max77686 chip is instantiated from device tree, it is desirable to
have an OF clock provider to allow device tree based look-up of clocks.
This patch adds OF clock provider registration to the clk-max77686
driver.
Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
As a prerequisite for further patch adding OF clock provider support to
the driver, this patch changes the driver to store an array of struct
clk * as driver data.
Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
This patch fixes invalid kfree() and adds missing call to clk_unregister()
in error and remove paths in max77686_clk_probe(). While at it, error
handling is also cleaned up.
Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
