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apic_id in MADT table is the CPU hardware id which identify
it self in the system for x86 and ia64, OSPM will use it for
SMP init to map APIC ID to logical cpu number in the early
boot, when the DSDT/SSDT (ACPI namespace) is scanned later, the
ACPI processor driver is probed and the driver will use acpi_id
in DSDT to get the apic_id, then map to the logical cpu number
which is needed by the processor driver.
Before ACPI 5.0, only x86 and ia64 were supported in ACPI spec,
so apic_id is used both in arch code and ACPI core which is
pretty fine. Since ACPI 5.0, ARM is supported by ACPI and
APIC is not available on ARM, this will confuse people when
apic_id is both used by x86 and ARM in one function.
So convert apic_id to phys_id (which is the original meaning)
in ACPI processor dirver to make it arch agnostic, but leave the
arch dependent code unchanged, no functional change.
Signed-off-by: Hanjun Guo <hanjun.guo@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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If an ACPI device object whose _STA returns 0 (not present and not
functional) has _PR0 or _PS0, its power_manageable flag will be set
and acpi_bus_init_power() will return 0 for it. Consequently, if
such a device object is passed to the ACPI device PM functions, they
will attempt to carry out the requested operation on the device,
although they should not do that for devices that are not present.
To fix that problem make acpi_bus_init_power() return an error code
for devices that are not present which will cause power_manageable to
be cleared for them as appropriate in acpi_bus_get_power_flags().
However, the lists of power resources should not be freed for the
device in that case, so modify acpi_bus_get_power_flags() to keep
those lists even if acpi_bus_init_power() returns an error.
Accordingly, when deciding whether or not the lists of power
resources need to be freed, acpi_free_power_resources_lists()
should check the power.flags.power_resources flag instead of
flags.power_manageable, so make that change too.
Furthermore, if acpi_bus_attach() sees that flags.initialized is
unset for the given device, it should reset the power management
settings of the device and re-initialize them from scratch instead
of relying on the previous settings (the device may have appeared
after being not present previously, for example), so make it use
the 'valid' flag of the D0 power state as the initial value of
flags.power_manageable for it and call acpi_bus_init_power() to
discover its current power state.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Cc: 3.10+ <stable@vger.kernel.org> # 3.10+
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git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs
Pull keyrings fixes from David Howells:
"Two fixes:
- Fix for the order in which things are done during key garbage
collection to prevent named keyrings causing a crash
[CVE-2014-9529].
- Fix assoc_array to explicitly #include rcupdate.h to prevent
compilation errors under certain circumstances"
* tag 'keys-fixes-20150107' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs:
assoc_array: Include rcupdate.h for call_rcu() definition
KEYS: close race between key lookup and freeing
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Include rcupdate.h header to provide call_rcu() definition. This was implicitly
being provided by slab.h file which include srcu.h somewhere in its include
hierarchy which in-turn included rcupdate.h.
Lately, tinification effort added support to remove srcu entirely because of
which we are encountering build errors like
lib/assoc_array.c: In function 'assoc_array_apply_edit':
lib/assoc_array.c:1426:2: error: implicit declaration of function 'call_rcu' [-Werror=implicit-function-declaration]
cc1: some warnings being treated as errors
Fix these by including rcupdate.h explicitly.
Signed-off-by: Pranith Kumar <bobby.prani@gmail.com>
Reported-by: Scott Wood <scottwood@freescale.com>
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When a key is being garbage collected, it's key->user would get put before
the ->destroy() callback is called, where the key is removed from it's
respective tracking structures.
This leaves a key hanging in a semi-invalid state which leaves a window open
for a different task to try an access key->user. An example is
find_keyring_by_name() which would dereference key->user for a key that is
in the process of being garbage collected (where key->user was freed but
->destroy() wasn't called yet - so it's still present in the linked list).
This would cause either a panic, or corrupt memory.
Fixes CVE-2014-9529.
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
Signed-off-by: David Howells <dhowells@redhat.com>
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pull virtio/vhost fixes from Michael Tsirkin:
"This fixes a couple of bugs triggered by hot-unplug of virtio devices,
as well as a regression in vhost-net"
* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost:
vhost/net: length miscalculation
virtio_pci: document why we defer kfree
virtio_pci: defer kfree until release callback
virtio_pci: device-specific release callback
virtio: make del_vqs idempotent
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commit 8b38694a2dc8b18374310df50174f1e4376d6824
vhost/net: virtio 1.0 byte swap
had this chunk:
- heads[headcount - 1].len += datalen;
+ heads[headcount - 1].len = cpu_to_vhost32(vq, len - datalen);
This adds datalen with the wrong sign, causing guest panics.
Fixes: 8b38694a2dc8b18374310df50174f1e4376d6824
Reported-by: Alex Williamson <alex.williamson@redhat.com>
Suggested-by: Greg Kurz <gkurz@linux.vnet.ibm.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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The reason we defer kfree until release function is because it's a
general rule for kobjects: kfree of the reference counter itself is only
legal in the release function.
Previous patch didn't make this clear, document this in code.
Cc: stable@vger.kernel.org
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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A struct device which has just been unregistered can live on past the
point at which a driver decides to drop it's initial reference to the
kobject gained on allocation.
This implies that when releasing a virtio device, we can't free a struct
virtio_device until the underlying struct device has been released,
which might not happen immediately on device_unregister().
Unfortunately, this is exactly what virtio pci does:
it has an empty release callback, and frees memory immediately
after unregistering the device.
This causes an easy to reproduce crash if CONFIG_DEBUG_KOBJECT_RELEASE
it enabled.
To fix, free the memory only once we know the device is gone in the release
callback.
Cc: stable@vger.kernel.org
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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It turns out we need to add device-specific code
in release callback. Move it to virtio_pci_legacy.c.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Our code calls del_vqs multiple times, assuming
it's idempotent.
commit 3ec7a77bb3089bb01032fdbd958eb5c29da58b49
virtio_pci: free up vq->priv
broke this assumption, by adding kfree there,
so multiple calls cause double free.
Fix it up.
Fixes: 3ec7a77bb3089bb01032fdbd958eb5c29da58b49
Reported-by: Sasha Levin <sasha.levin@oracle.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
Pull IOMMU fixes from Joerg Roedel:
"Including:
- a domain structure leak fix in the Intel VT-d driver
- compile error fix for the VMSA IPMMU driver because of the
IOMMU_EXEC -> IOMMU_NOEXEC conversion
- two small cleanups as an aftermath of the merge window and the
domain-leak fix"
* tag 'iommu-fixes-v3.19-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu:
iommu/rockchip: Drop owner assignment from platform_drivers
iommu/vt-d: Remove dead code in device_notifier
iommu/vt-d: Fix dmar_domain leak in iommu_attach_device
iommu/ipmmu-vmsa: Change IOMMU_EXEC to IOMMU_NOEXEC
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This platform_driver does not need to set an owner, it will be populated by the
driver core.
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
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This code only runs when action == BUS_NOTIFY_REMOVED_DEVICE,
so it can't be BUS_NOTIFY_DEL_DEVICE.
Signed-off-by: Joerg Roedel <jroedel@suse.de>
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Since commit 1196c2f a domain is only destroyed in the
notifier path if it is hot-unplugged. This caused a
domain leakage in iommu_attach_device when a driver was
unbound from the device and bound to VFIO. In this case the
device is attached to a new domain and unlinked from the old
domain. At this point nothing points to the old domain
anymore and its memory is leaked.
Fix this by explicitly freeing the old domain in
iommu_attach_domain.
Fixes: 1196c2f (iommu/vt-d: Fix dmar_domain leak in iommu_attach_device)
Cc: stable@vger.kernel.org # v3.18
Tested-by: Jerry Hoemann <jerry.hoemann@hp.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
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Commit a720b41c41f5a7e4 ("iommu/arm-smmu: change IOMMU_EXEC to
IOMMU_NOEXEC") has inverted and replaced the IOMMU_EXEC flag with
IOMMU_NOEXEC. Update the driver accordingly.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
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Pull crypto fixes from Herbert Xu:
"This fixes a build problem with sha-mb with old toolchains and an
implementation bug in the ctr(aes)/by8 branch of aesni-intel that's
enabled when AVX is available"
* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
crypto: sha-mb - Add avx2_supported check.
crypto: aesni - fix "by8" variant for 128 bit keys
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This patch fixes this allyesconfig target build error with older
binutils.
LD arch/x86/crypto/built-in.o
ld: arch/x86/crypto/sha-mb/built-in.o: No such file: No such file or directory
Cc: stable@vger.kernel.org # 3.18+
Signed-off-by: Vinson Lee <vlee@twitter.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The "by8" counter mode optimization is broken for 128 bit keys with
input data longer than 128 bytes. It uses the wrong key material for
en- and decryption.
The key registers xkey0, xkey4, xkey8 and xkey12 need to be preserved
in case we're handling more than 128 bytes of input data -- they won't
get reloaded after the initial load. They must therefore be (a) loaded
on the first iteration and (b) be preserved for the latter ones. The
implementation for 128 bit keys does not comply with (a) nor (b).
Fix this by bringing the implementation back to its original source
and correctly load the key registers and preserve their values by
*not* re-using the registers for other purposes.
Kudos to James for reporting the issue and providing a test case
showing the discrepancies.
Reported-by: James Yonan <james@openvpn.net>
Cc: Chandramouli Narayanan <mouli@linux.intel.com>
Cc: <stable@vger.kernel.org> # v3.18
Signed-off-by: Mathias Krause <minipli@googlemail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Pull networking fixes from David Miller:
"Just a pile of random fixes, including:
1) Do not apply TSO limits to non-TSO packets, fix from Herbert Xu.
2) MDI{,X} eeprom check in e100 driver is reversed, from John W.
Linville.
3) Missing error return assignments in several ethernet drivers, from
Julia Lawall.
4) Altera TSE device doesn't come back up after ifconfig down/up
sequence, fix from Kostya Belezko.
5) Add more cases to the check for whether the qmi_wwan device has a
bogus MAC address and needs to be assigned a random one. From
Kristian Evensen.
6) Fix interrupt hangs in CPSW, from Felipe Balbi.
7) Implement ndo_features_check in r8152 so that the stack doesn't
feed GSO packets which are outside of the chip's capabilities.
From Hayes Wang"
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (26 commits)
qla3xxx: don't allow never end busy loop
xen-netback: fixing the propagation of the transmit shaper timeout
r8152: support ndo_features_check
batman-adv: fix potential TT client + orig-node memory leak
batman-adv: fix multicast counter when purging originators
batman-adv: fix counter for multicast supporting nodes
batman-adv: fix lock class for decoding hash in network-coding.c
batman-adv: fix delayed foreign originator recognition
batman-adv: fix and simplify condition when bonding should be used
Revert "mac80211: Fix accounting of the tailroom-needed counter"
net: ethernet: cpsw: fix hangs with interrupts
enic: free all rq buffs when allocation fails
qmi_wwan: Set random MAC on devices with buggy fw
openvswitch: Consistently include VLAN header in flow and port stats.
tcp: Do not apply TSO segment limit to non-TSO packets
Altera TSE: Add missing phydev
net/mlx4_core: Fix error flow in mlx4_init_hca()
net/mlx4_core: Correcly update the mtt's offset in the MR re-reg flow
qlcnic: Fix return value in qlcnic_probe()
net: axienet: fix error return code
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The counter variable wasn't increased at all which may stuck under
certain circumstances.
Signed-off-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Included changes:
- ensure bonding is used (if enabled) for packets coming in the soft
interface
- fix race condition to avoid orig_nodes to be deleted right after
being added
- avoid false positive lockdep splats by assigning lockclass to
the proper hashtable lock objects
- avoid miscounting of multicast 'disabled' nodes in the network
- fix memory leak in the Global Translation Table in case of
originator interval change
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch fixes a potential memory leak which can occur once an
originator times out. On timeout the according global translation table
entry might not get purged correctly. Furthermore, the non purged TT
entry will cause its orig-node to leak, too. Which additionally can lead
to the new multicast optimization feature not kicking in because of a
therefore bogus counter.
In detail: The batadv_tt_global_entry->orig_list holds the reference to
the orig-node. Usually this reference is released after
BATADV_PURGE_TIMEOUT through: _batadv_purge_orig()->
batadv_purge_orig_node()->batadv_update_route()->_batadv_update_route()->
batadv_tt_global_del_orig() which purges this global tt entry and
releases the reference to the orig-node.
However, if between two batadv_purge_orig_node() calls the orig-node
timeout grew to 2*BATADV_PURGE_TIMEOUT then this call path isn't
reached. Instead the according orig-node is removed from the
originator hash in _batadv_purge_orig(), the batadv_update_route()
part is skipped and won't be reached anymore.
Fixing the issue by moving batadv_tt_global_del_orig() out of the rcu
callback.
Signed-off-by: Linus Lüssing <linus.luessing@c0d3.blue>
Acked-by: Antonio Quartulli <antonio@meshcoding.com>
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
Signed-off-by: Antonio Quartulli <antonio@meshcoding.com>
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When purging an orig_node we should only decrease counter tracking the
number of nodes without multicast optimizations support if it was
increased through this orig_node before.
A not yet quite initialized orig_node (meaning it did not have its turn
in the mcast-tvlv handler so far) which gets purged would not adhere to
this and will lead to a counter imbalance.
Fixing this by adding a check whether the orig_node is mcast-initalized
before decreasing the counter in the mcast-orig_node-purging routine.
Introduced by 60432d756cf06e597ef9da511402dd059b112447
("batman-adv: Announce new capability via multicast TVLV")
Reported-by: Tobias Hachmer <tobias@hachmer.de>
Signed-off-by: Linus Lüssing <linus.luessing@c0d3.blue>
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
Signed-off-by: Antonio Quartulli <antonio@meshcoding.com>
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A miscounting of nodes having multicast optimizations enabled can lead
to multicast packet loss in the following scenario:
If the first OGM a node receives from another one has no multicast
optimizations support (no multicast tvlv) then we are missing to
increase the counter. This potentially leads to the wrong assumption
that we could safely use multicast optimizations.
Fixings this by increasing the counter if the initial OGM has the
multicast TVLV unset, too.
Introduced by 60432d756cf06e597ef9da511402dd059b112447
("batman-adv: Announce new capability via multicast TVLV")
Reported-by: Tobias Hachmer <tobias@hachmer.de>
Signed-off-by: Linus Lüssing <linus.luessing@c0d3.blue>
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
Signed-off-by: Antonio Quartulli <antonio@meshcoding.com>
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batadv_has_set_lock_class() is called with the wrong hash table as first
argument (probably due to a copy-paste error), which leads to false
positives when running with lockdep.
Introduced-by: 612d2b4fe0a1ff2f8389462a6f8be34e54124c05
("batman-adv: network coding - save overheard and tx packets for decoding")
Signed-off-by: Martin Hundebøll <martin@hundeboll.net>
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
Signed-off-by: Antonio Quartulli <antonio@meshcoding.com>
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Currently it can happen that the reception of an OGM from a new
originator is not being accepted. More precisely it can happen that
an originator struct gets allocated and initialized
(batadv_orig_node_new()), even the TQ gets calculated and set correctly
(batadv_iv_ogm_calc_tq()) but still the periodic orig_node purging
thread will decide to delete it if it has a chance to jump between
these two function calls.
This is because batadv_orig_node_new() initializes the last_seen value
to zero and its caller (batadv_iv_ogm_orig_get()) makes it visible to
other threads by adding it to the hash table already.
batadv_iv_ogm_calc_tq() will set the last_seen variable to the correct,
current time a few lines later but if the purging thread jumps in between
that it will think that the orig_node timed out and will wrongly
schedule it for deletion already.
If the purging interval is the same as the originator interval (which is
the default: 1 second), then this game can continue for several rounds
until the random OGM jitter added enough difference between these
two (in tests, two to about four rounds seemed common).
Fixing this by initializing the last_seen variable of an orig_node
to the current time before adding it to the hash table.
Signed-off-by: Linus Lüssing <linus.luessing@c0d3.blue>
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
Signed-off-by: Antonio Quartulli <antonio@meshcoding.com>
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The current condition actually does NOT consider bonding when the
interface the packet came in from is the soft interface, which is the
opposite of what it should do (and the comment describes). Fix that and
slightly simplify the condition.
Reported-by: Ray Gibson <booray@gmail.com>
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
Signed-off-by: Antonio Quartulli <antonio@meshcoding.com>
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Since e9ce7cb6b107 ("xen-netback: Factor queue-specific data into queue struct"),
the transimt shaper timeout is always set to 0. The value the user sets via
xenbus is never propagated to the transmit shaper.
This patch fixes the issue.
Cc: Anthony Liguori <aliguori@amazon.com>
Signed-off-by: Imre Palik <imrep@amazon.de>
Acked-by: Ian Campbell <ian.campbell@citrix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211
Here's just a single fix - a revert of a patch that broke the
p54 and cw2100 drivers (arguably due to bad assumptions there.)
Since this affects kernels since 3.17, I decided to revert for
now and we'll revisit this optimisation properly for -next.
Signed-off-by: David S. Miller <davem@davemloft.net>
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This reverts commit ca34e3b5c808385b175650605faa29e71e91991b.
It turns out that the p54 and cw2100 drivers assume that there's
tailroom even when they don't say they really need it. However,
there's currently no way for them to explicitly say they do need
it, so for now revert this.
This fixes https://bugzilla.kernel.org/show_bug.cgi?id=90331.
Cc: stable@vger.kernel.org
Fixes: ca34e3b5c808 ("mac80211: Fix accounting of the tailroom-needed counter")
Reported-by: Christopher Chavez <chrischavez@gmx.us>
Bisected-by: Larry Finger <Larry.Finger@lwfinger.net>
Debugged-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Support ndo_features_check to avoid:
- the transport offset is more than the hw limitation when using hw checksum.
- the skb->len of a GSO packet is more than the limitation.
Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The CPSW IP implements pulse-signaled interrupts. Due to
that we must write a correct, pre-defined value to the
CPDMA_MACEOIVECTOR register so the controller generates
a pulse on the correct IRQ line to signal the End Of
Interrupt.
The way the driver is written today, all four IRQ lines
are requested using the same IRQ handler and, because of
that, we could fall into situations where a TX IRQ fires
but we tell the controller that we ended an RX IRQ (or
vice-versa). This situation triggers an IRQ storm on the
reserved IRQ 127 of INTC which will in turn call ack_bad_irq()
which will, then, print a ton of:
unexpected IRQ trap at vector 00
In order to fix the problem, we are moving all calls to
cpdma_ctlr_eoi() inside the IRQ handler and making sure
we *always* write the correct value to the CPDMA_MACEOIVECTOR
register. Note that the algorithm assumes that IRQ numbers and
value-to-be-written-to-EOI are proportional, meaning that a
write of value 0 would trigger an EOI pulse for the RX_THRESHOLD
Interrupt and that's the IRQ number sitting in the 0-th index
of our irqs_table array.
This, however, is safe at least for current implementations of
CPSW so we will refrain from making the check smarter (and, as
a side-effect, slower) until we actually have a platform where
IRQ lines are swapped.
This patch has been tested for several days with AM335x- and
AM437x-based platforms. AM57x was left out because there are
still pending patches to enable ethernet in mainline for that
platform. A read of the TRM confirms the statement on previous
paragraph.
Reported-by: Yegor Yefremov <yegorslists@googlemail.com>
Fixes: 510a1e7 (drivers: net: davinci_cpdma: acknowledge interrupt properly)
Cc: <stable@vger.kernel.org> # v3.9+
Signed-off-by: Felipe Balbi <balbi@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When allocation of all RQs fail, we do not free previously allocated buffers,
before returning error. This causes memory leak.
This patch fixes this by calling vnic_rq_clean(), which frees all the rq
buffers.
Signed-off-by: Govindarajulu Varadarajan <_govind@gmx.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Some buggy firmwares export an incorrect MAC address (00:a0:c6:00:00:00). This
makes for example checking devices for random MAC addresses tricky, and you
might end up with multiple network interfaces with the same address.
This patch tries to fix, or at least improve, the situation by setting the MAC
address of devices with this firmware bug to a random address. I tested the
patch with two devices that has this firmware bug (Huawei E398 and E392), and
network traffic worked fine after changing the address.
Signed-off-by: Kristian Evensen <kristian.evensen@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Until now, when VLAN acceleration was in use, the bytes of the VLAN header
were not included in port or flow byte counters. They were however
included when VLAN acceleration was not used. This commit corrects the
inconsistency, by always including the VLAN header in byte counters.
Previous discussion at
http://openvswitch.org/pipermail/dev/2014-December/049521.html
Reported-by: Motonori Shindo <mshindo@vmware.com>
Signed-off-by: Ben Pfaff <blp@nicira.com>
Reviewed-by: Flavio Leitner <fbl@sysclose.org>
Acked-by: Pravin B Shelar <pshelar@nicira.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Thomas Jarosch reported IPsec TCP stalls when a PMTU event occurs.
In fact the problem was completely unrelated to IPsec. The bug is
also reproducible if you just disable TSO/GSO.
The problem is that when the MSS goes down, existing queued packet
on the TX queue that have not been transmitted yet all look like
TSO packets and get treated as such.
This then triggers a bug where tcp_mss_split_point tells us to
generate a zero-sized packet on the TX queue. Once that happens
we're screwed because the zero-sized packet can never be removed
by ACKs.
Fixes: 1485348d242 ("tcp: Apply device TSO segment limit earlier")
Reported-by: Thomas Jarosch <thomas.jarosch@intra2net.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Cheers,
Signed-off-by: David S. Miller <davem@davemloft.net>
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Altera network device doesn't come up after
ifconfig eth0 down
ifconfig eth0 up
The reason behind is clearing priv->phydev during tse_shutdown().
The phydev is not restored back at tse_open().
Resubmiting as to follow Tobias Klauser suggestion.
phy_start/phy_stop are called on each ifup/ifdown and
phy_disconnect is called once during the module removal.
Signed-off-by: Kostya Belezko <bkostya@hotmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Or Gerlitz says:
====================
mlx4 driver fixes for 3.19-rc2
Please push Maor's patch to -stable >= 3.17
Jack's fixes error-flow issues introduced in 3.19-rc1, no need for -stable.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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We shouldn't call UNMAP_FA here, this is done in mlx4_load_one.
If mlx4_query_func fails, we need to invoke CLOSE_HCA for both
native and master.
Fixes: a0eacca948d2 ('net/mlx4_core: Refactor mlx4_load_one')
Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.co.il>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Previously, mlx4_mt_rereg_write filled the MPT's entity_size with the
old MTT's page shift, which could result in using an incorrect offset.
Fix the initialization to be after we calculate the new MTT offset.
In addition, assign mtt order to -1 after calling mlx4_mtt_cleanup. This
is necessary in order to mark the MTT as invalid and avoid freeing it later.
Fixes: e630664 ('mlx4_core: Add helper functions to support MR re-registration')
Signed-off-by: Maor Gottlieb <maorg@mellanox.com>
Signed-off-by: Matan Barak <matanb@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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If the check of adapter fails and goes into the 'else' branch, the
return value 'err' should not still be zero.
Signed-off-by: Yongjian Xu <xuyongjiande@gmail.com>
Acked-by: Shahed Shaikh <shahed.shaikh@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Return a negative error code on failure.
A simplified version of the semantic match that finds this problem is as
follows: (http://coccinelle.lip6.fr/)
// <smpl>
@@
identifier ret; expression e1,e2;
@@
(
if (\(ret < 0\|ret != 0\))
{ ... return ret; }
|
ret = 0
)
... when != ret = e1
when != &ret
*if(...)
{
... when != ret = e2
when forall
return ret;
}
// </smpl>
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Return a negative error code on failure.
A simplified version of the semantic match that finds this problem is as
follows: (http://coccinelle.lip6.fr/)
// <smpl>
@@
identifier ret; expression e1,e2;
@@
(
if (\(ret < 0\|ret != 0\))
{ ... return ret; }
|
ret = 0
)
... when != ret = e1
when != &ret
*if(...)
{
... when != ret = e2
when forall
return ret;
}
// </smpl>
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Return a negative error code on failure.
A simplified version of the semantic match that finds this problem is as
follows: (http://coccinelle.lip6.fr/)
// <smpl>
@@
identifier ret; expression e1,e2;
@@
(
if (\(ret < 0\|ret != 0\))
{ ... return ret; }
|
ret = 0
)
... when != ret = e1
when != &ret
*if(...)
{
... when != ret = e2
when forall
return ret;
}
// </smpl>
The patch also modifies the test of mgp->cmd to satisfy checkpatch.
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Return a negative error code on failure.
A simplified version of the semantic match that finds this problem is as
follows: (http://coccinelle.lip6.fr/)
// <smpl>
@@
identifier ret; expression e1,e2;
@@
(
if (\(ret < 0\|ret != 0\))
{ ... return ret; }
|
ret = 0
)
... when != ret = e1
when != &ret
*if(...)
{
... when != ret = e2
when forall
return ret;
}
// </smpl>
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/net
Jeff Kirsher says:
====================
Intel Wired LAN Driver Updates 2014-12-31
This series contains updates to fixes for e100, igb and i40e.
John Linville fixes a typo in e100 that has been around for some time,
where an attempted revert actually inverted the test for eeprom_mdix_enabled.
Todd fixes up a code comment that should have been removed back in 2007.
Joe Perches fixes a possible memory leak in i40e which was reported by
Dan Carpenter using smatch.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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I didn't notice that return in the code, fix it by
adding a goto out instead to free the memory.
Fixes:
> New smatch warnings:
> drivers/net/ethernet/intel/i40e/i40e_debugfs.c:832 i40e_dbg_dump_desc() warn: possible memory leak of 'ring'
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Joe Perches <joe@perches.com>
Tested-by: Jim Young <james.m.young@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Remove a FIXME comment that was missed in a commit on 1/2007.
Signed-off-by: Todd Fujinaka <todd.fujinaka@intel.com>
Reported-by: nick <xerofoify@gmail.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Although it doesn't explicitly say so, commit 60ffa478759f39a2 ("e100:
Fix MDIO/MDIO-X") appears to be intended to revert the earlier commit
648951451e6d2d53 ("e100: fixed e100 MDI/MDI-X issues"). However,
careful examination reveals that the attempted revert actually
_inverted_ the test for eeprom_mdix_enabled. That is bound to program
a few PHYs incorrectly...
https://bugzilla.redhat.com/show_bug.cgi?id=1156417
Signed-off-by: "John W. Linville" <linville@tuxdriver.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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