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x86_mask is a confusing name which is hard to associate with the
processor's stepping.
Additionally, correct an indent issue in lib/cpu.c.
Signed-off-by: Jia Zhang <qianyue.zj@alibaba-inc.com>
[ Updated it to more recent kernels. ]
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: bp@alien8.de
Cc: tony.luck@intel.com
Link: http://lkml.kernel.org/r/1514771530-70829-1-git-send-email-qianyue.zj@alibaba-inc.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Pull networking fixes from David Miller:
1) The per-network-namespace loopback device, and thus its namespace,
can have its teardown deferred for a long time if a kernel created
TCP socket closes and the namespace is exiting meanwhile. The kernel
keeps trying to finish the close sequence until it times out (which
takes quite some time).
Fix this by forcing the socket closed in this situation, from Dan
Streetman.
2) Fix regression where we're trying to invoke the update_pmtu method
on route types (in this case metadata tunnel routes) that don't
implement the dst_ops method. Fix from Nicolas Dichtel.
3) Fix long standing memory corruption issues in r8169 driver by
performing the chip statistics DMA programming more correctly. From
Francois Romieu.
4) Handle local broadcast sends over VRF routes properly, from David
Ahern.
5) Don't refire the DCCP CCID2 timer endlessly, otherwise the socket
can never be released. From Alexey Kodanev.
6) Set poll flags properly in VSOCK protocol layer, from Stefan
Hajnoczi.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net:
VSOCK: set POLLOUT | POLLWRNORM for TCP_CLOSING
dccp: don't restart ccid2_hc_tx_rto_expire() if sk in closed state
net: vrf: Add support for sends to local broadcast address
r8169: fix memory corruption on retrieval of hardware statistics.
net: don't call update_pmtu unconditionally
net: tcp: close sock if net namespace is exiting
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git://people.freedesktop.org/~airlied/linux
Pull drm fixes from Dave Airlie:
"A fairly urgent nouveau regression fix for broken irqs across
suspend/resume came in. This was broken before but a patch in 4.15 has
made it much more obviously broken and now s/r fails a lot more often.
The fix removes freeing the irq across s/r which never should have
been done anyways.
Also two vc4 fixes for a NULL deference and some misrendering /
flickering on screen"
* tag 'drm-fixes-for-v4.15-rc10-2' of git://people.freedesktop.org/~airlied/linux:
drm/nouveau: Move irq setup/teardown to pci ctor/dtor
drm/vc4: Fix NULL pointer dereference in vc4_save_hang_state()
drm/vc4: Flush the caches before the bin jobs, as well.
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Single irq regression fix
* 'linux-4.15' of git://github.com/skeggsb/linux:
drm/nouveau: Move irq setup/teardown to pci ctor/dtor
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Sukumar reported that sends to the local broadcast address
(255.255.255.255) are broken. Check for the address in vrf driver
and do not redirect to the VRF device - similar to multicast
packets.
With this change sockets can use SO_BINDTODEVICE to specify an
egress interface and receive responses. Note: the egress interface
can not be a VRF device but needs to be the enslaved device.
https://bugzilla.kernel.org/show_bug.cgi?id=198521
Reported-by: Sukumar Gopalakrishnan <sukumarg1973@gmail.com>
Signed-off-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Hardware statistics retrieval hurts in tight invocation loops.
Avoid extraneous write and enforce strict ordering of writes targeted to
the tally counters dump area address registers.
Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Tested-by: Oliver Freyermuth <o.freyermuth@googlemail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input fixes from Dmitry Torokhov:
"The main item is that we try to better handle the newer trackpoints on
Lenovo devices that are now being produced by Elan/ALPS/NXP and only
implement a small subset of the original IBM trackpoint controls"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Revert "Input: synaptics_rmi4 - use devm_device_add_group() for attributes in F01"
Input: trackpoint - only expose supported controls for Elan, ALPS and NXP
Input: trackpoint - force 3 buttons if 0 button is reported
Input: xpad - add support for PDP Xbox One controllers
Input: stmfts,s6sy671 - add SPDX identifier
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For a while we've been having issues with seemingly random interrupts
coming from nvidia cards when resuming them. Originally the fix for this
was thought to be just re-arming the MSI interrupt registers right after
re-allocating our IRQs, however it seems a lot of what we do is both
wrong and not even nessecary.
This was made apparent by what appeared to be a regression in the
mainline kernel that started introducing suspend/resume issues for
nouveau:
a0c9259dc4e1 (irq/matrix: Spread interrupts on allocation)
After this commit was introduced, we started getting interrupts from the
GPU before we actually re-allocated our own IRQ (see references below)
and assigned the IRQ handler. Investigating this turned out that the
problem was not with the commit, but the fact that nouveau even
free/allocates it's irqs before and after suspend/resume.
For starters: drivers in the linux kernel haven't had to handle
freeing/re-allocating their IRQs during suspend/resume cycles for quite
a while now. Nouveau seems to be one of the few drivers left that still
does this, despite the fact there's no reason we actually need to since
disabling interrupts from the device side should be enough, as the
kernel is already smart enough to know to disable host-side interrupts
for us before going into suspend. Since we were tearing down our IRQs by
hand however, that means there was a short period during resume where
interrupts could be received before we re-allocated our IRQ which would
lead to us getting an unhandled IRQ. Since we never handle said IRQ and
re-arm the interrupt registers, this would cause us to miss all of the
interrupts from the GPU and cause our init process to start timing out
on anything requiring interrupts.
So, since this whole setup/teardown every suspend/resume cycle is
useless anyway, move irq setup/teardown into the pci subdev's ctor/dtor
functions instead so they're only called at driver load and driver
unload. This should fix most of the issues with pending interrupts on
resume, along with getting suspend/resume for nouveau to work again.
As well, this probably means we can also just remove the msi rearm call
inside nvkm_pci_init(). But since our main focus here is to fix
suspend/resume before 4.15, we'll save that for a later patch.
Signed-off-by: Lyude Paul <lyude@redhat.com>
Cc: Karol Herbst <kherbst@redhat.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Mike Galbraith <efault@gmx.de>
Cc: stable@vger.kernel.org
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Some dst_ops (e.g. md_dst_ops)) doesn't set this handler. It may result to:
"BUG: unable to handle kernel NULL pointer dereference at (null)"
Let's add a helper to check if update_pmtu is available before calling it.
Fixes: 52a589d51f10 ("geneve: update skb dst pmtu on tx path")
Fixes: a93bf0ff4490 ("vxlan: update skb dst pmtu on tx path")
CC: Roman Kapl <code@rkapl.cz>
CC: Xin Long <lucien.xin@gmail.com>
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://anongit.freedesktop.org/drm/drm-misc into drm-fixes
Two vc4 fixes that were applied in the last day.
One fixes a NULL dereference, and the other fixes
a flickering bug.
Cc: Eric Anholt <eric@anholt.net>
Cc: Boris Brezillon <boris.brezillon@free-electrons.com>
* tag 'drm-misc-fixes-2018-01-24' of git://anongit.freedesktop.org/drm/drm-misc:
drm/vc4: Fix NULL pointer dereference in vc4_save_hang_state()
drm/vc4: Flush the caches before the bin jobs, as well.
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STA control register has areas of mode and opcodes for opeations. 18 bit is
using for mode selection, where 0 is old MIO/MDIO access method and 1 is
indirect access mode. 19-20 bits are using for setting up read/write
operation(STA opcodes). In current state 'read' is set into old MIO/MDIO mode
with 19 bit and write operation is set into 18 bit which is mode selection,
not a write operation. To correlate write with read we set it into 20 bit.
All those bit operations are MSB 0 based.
Signed-off-by: Ivan Mikhaylov <ivan@de.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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emac4syn chips has availability to use 8192 rx/tx fifo buffer sizes,
in current state if we set it up in dts 8192 as example, we will get
only 2048 which may impact on network speed.
Signed-off-by: Ivan Mikhaylov <ivan@de.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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in F01"
Since the sysfs attribute hangs off the RMI bus, which doesn't go away during
firmware flash, it needs to be explicitly removed, otherwise we would try and
register the same attribute twice.
This reverts commit 36a44af5c176d619552d99697433261141dd1296.
Signed-off-by: Nick Dyer <nick@shmanahar.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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The code will try to access dev->iotlb when processing
VHOST_IOTLB_INVALIDATE even if it was not initialized which may lead
to NULL pointer dereference. Fixes this by check dev->iotlb before.
Fixes: 6b1e6cc7855b0 ("vhost: new device IOTLB API")
Signed-off-by: Jason Wang <jasowang@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We used to call mutex_lock() in vhost_dev_lock_vqs() which tries to
hold mutexes of all virtqueues. This may confuse lockdep to report a
possible deadlock because of trying to hold locks belong to same
class. Switch to use mutex_lock_nested() to avoid false positive.
Fixes: 6b1e6cc7855b0 ("vhost: new device IOTLB API")
Reported-by: syzbot+dbb7c1161485e61b0241@syzkaller.appspotmail.com
Signed-off-by: Jason Wang <jasowang@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Since TC block changes drivers are required to check if
the TC hw offload flag is set on the interface themselves.
Fixes: 2f4b411a3d67 ("i40e: Enable cloud filters via tc-flower")
Fixes: 44ae12a768b7 ("net: sched: move the can_offload check from binding phase to rule insertion phase")
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Simon Horman <simon.horman@netronome.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Acked-by: Amritha Nambiar <amritha.nambiar@intel.com>
Acked-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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A tid was allocated for reserved MR during initialization but
not freed. This lead to an annoying output message during
rdma unload flow.
Signed-off-by: Michal Kalderon <Michal.Kalderon@cavium.com>
Signed-off-by: Ariel Elior <Ariel.Elior@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Double reservation for kernel dedicated dpi was performed.
Once in the core module and once in qedr.
Remove the reservation from core.
Signed-off-by: Michal Kalderon <Michal.Kalderon@cavium.com>
Signed-off-by: Ariel Elior <Ariel.Elior@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Driver periodically samples all neighbors configured in device
in order to update the kernel regarding their state. When finding
an entry configured in HW that doesn't show in neigh_lookup()
driver logs an error message.
This introduces a race when removing multiple neighbors -
it's possible that a given entry would still be configured in HW
as its removal is still being processed but is already removed
from the kernel's neighbor tables.
Simply remove the error message and gracefully accept such events.
Fixes: c723c735fa6b ("mlxsw: spectrum_router: Periodically update the kernel's neigh table")
Fixes: 60f040ca11b9 ("mlxsw: spectrum_router: Periodically dump active IPv6 neighbours")
Signed-off-by: Yuval Mintz <yuvalm@mellanox.com>
Reviewed-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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with the introduction of commit
b0eb57cb97e7837ebb746404c2c58c6f536f23fa, it appears that rq->buf_info
is improperly handled. While it is heap allocated when an rx queue is
setup, and freed when torn down, an old line of code in
vmxnet3_rq_destroy was not properly removed, leading to rq->buf_info[0]
being set to NULL prior to its being freed, causing a memory leak, which
eventually exhausts the system on repeated create/destroy operations
(for example, when the mtu of a vmxnet3 interface is changed
frequently.
Fix is pretty straight forward, just move the NULL set to after the
free.
Tested by myself with successful results
Applies to net, and should likely be queued for stable, please
Signed-off-by: Neil Horman <nhorman@tuxdriver.com>
Reported-By: boyang@redhat.com
CC: boyang@redhat.com
CC: Shrikrishna Khare <skhare@vmware.com>
CC: "VMware, Inc." <pv-drivers@vmware.com>
CC: David S. Miller <davem@davemloft.net>
Acked-by: Shrikrishna Khare <skhare@vmware.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In pppoe_sendmsg(), reserving dev->hard_header_len bytes of headroom
was probably fine before the introduction of ->needed_headroom in
commit f5184d267c1a ("net: Allow netdevices to specify needed head/tailroom").
But now, virtual devices typically advertise the size of their overhead
in dev->needed_headroom, so we must also take it into account in
skb_reserve().
Allocation size of skb is also updated to take dev->needed_tailroom
into account and replace the arbitrary 32 bytes with the real size of
a PPPoE header.
This issue was discovered by syzbot, who connected a pppoe socket to a
gre device which had dev->header_ops->create == ipgre_header and
dev->hard_header_len == 0. Therefore, PPPoE didn't reserve any
headroom, and dev_hard_header() crashed when ipgre_header() tried to
prepend its header to skb->data.
skbuff: skb_under_panic: text:000000001d390b3a len:31 put:24
head:00000000d8ed776f data:000000008150e823 tail:0x7 end:0xc0 dev:gre0
------------[ cut here ]------------
kernel BUG at net/core/skbuff.c:104!
invalid opcode: 0000 [#1] SMP KASAN
Dumping ftrace buffer:
(ftrace buffer empty)
Modules linked in:
CPU: 1 PID: 3670 Comm: syzkaller801466 Not tainted
4.15.0-rc7-next-20180115+ #97
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
RIP: 0010:skb_panic+0x162/0x1f0 net/core/skbuff.c:100
RSP: 0018:ffff8801d9bd7840 EFLAGS: 00010282
RAX: 0000000000000083 RBX: ffff8801d4f083c0 RCX: 0000000000000000
RDX: 0000000000000083 RSI: 1ffff1003b37ae92 RDI: ffffed003b37aefc
RBP: ffff8801d9bd78a8 R08: 1ffff1003b37ae8a R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: ffffffff86200de0
R13: ffffffff84a981ad R14: 0000000000000018 R15: ffff8801d2d34180
FS: 00000000019c4880(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000208bc000 CR3: 00000001d9111001 CR4: 00000000001606e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
skb_under_panic net/core/skbuff.c:114 [inline]
skb_push+0xce/0xf0 net/core/skbuff.c:1714
ipgre_header+0x6d/0x4e0 net/ipv4/ip_gre.c:879
dev_hard_header include/linux/netdevice.h:2723 [inline]
pppoe_sendmsg+0x58e/0x8b0 drivers/net/ppp/pppoe.c:890
sock_sendmsg_nosec net/socket.c:630 [inline]
sock_sendmsg+0xca/0x110 net/socket.c:640
sock_write_iter+0x31a/0x5d0 net/socket.c:909
call_write_iter include/linux/fs.h:1775 [inline]
do_iter_readv_writev+0x525/0x7f0 fs/read_write.c:653
do_iter_write+0x154/0x540 fs/read_write.c:932
vfs_writev+0x18a/0x340 fs/read_write.c:977
do_writev+0xfc/0x2a0 fs/read_write.c:1012
SYSC_writev fs/read_write.c:1085 [inline]
SyS_writev+0x27/0x30 fs/read_write.c:1082
entry_SYSCALL_64_fastpath+0x29/0xa0
Admittedly PPPoE shouldn't be allowed to run on non Ethernet-like
interfaces, but reserving space for ->needed_headroom is a more
fundamental issue that needs to be addressed first.
Same problem exists for __pppoe_xmit(), which also needs to take
dev->needed_headroom into account in skb_cow_head().
Fixes: f5184d267c1a ("net: Allow netdevices to specify needed head/tailroom")
Reported-by: syzbot+ed0838d0fa4c4f2b528e20286e6dc63effc7c14d@syzkaller.appspotmail.com
Signed-off-by: Guillaume Nault <g.nault@alphalink.fr>
Reviewed-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Pull networking fixes from David Miller:
1) Fix divide by zero in mlx5, from Talut Batheesh.
2) Guard against invalid GSO packets coming from untrusted guests and
arriving in qdisc_pkt_len_init(), from Eric Dumazet.
3) Similarly add such protection to the various protocol GSO handlers.
From Willem de Bruijn.
4) Fix regression added to IGMP source address checking for IGMPv3
reports, from Felix Feitkau.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net:
tls: Correct length of scatterlist in tls_sw_sendpage
be2net: restore properly promisc mode after queues reconfiguration
net: igmp: fix source address check for IGMPv3 reports
gso: validate gso_type in GSO handlers
net: qdisc_pkt_len_init() should be more robust
ibmvnic: Allocate and request vpd in init_resources
ibmvnic: Revert to previous mtu when unsupported value requested
ibmvnic: Modify buffer size and number of queues on failover
rds: tcp: compute m_ack_seq as offset from ->write_seq
usbnet: silence an unnecessary warning
cxgb4: fix endianness for vlan value in cxgb4_tc_flower
cxgb4: set filter type to 1 for ETH_P_IPV6
net/mlx5e: Fix fixpoint divide exception in mlx5e_am_stats_compare
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The newer trackpoints from ALPS, Elan and NXP implement a very limited
subset of extended commands and controls that the original trackpoints
implemented, so we should not be exposing not working controls in sysfs.
The newer trackpoints also do not implement "Power On Reset" or "Read
Extended Button Status", so we should not be using these commands during
initialization.
While we are at it, let's change "unsigned char" to u8 for byte data or
bool for booleans and use better suited error codes instead of -1.
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Lenovo introduced trackpoint compatible sticks with minimum PS/2 commands.
They supposed to reply with 0x02, 0x03, or 0x04 in response to the
"Read Extended ID" command, so we would know not to try certain extended
commands. Unfortunately even some trackpoints reporting the original IBM
version (0x01 firmware 0x0e) now respond with incorrect data to the "Get
Extended Buttons" command:
thinkpad_acpi: ThinkPad BIOS R0DET87W (1.87 ), EC unknown
thinkpad_acpi: Lenovo ThinkPad E470, model 20H1004SGE
psmouse serio2: trackpoint: IBM TrackPoint firmware: 0x0e, buttons: 0/0
Since there are no trackpoints without buttons, let's assume the trackpoint
has 3 buttons when we get 0 response to the extended buttons query.
Signed-off-by: Aaron Ma <aaron.ma@canonical.com>
Fixes: https://bugzilla.kernel.org/show_bug.cgi?id=196253
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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The commit 622190669403 ("be2net: Request RSS capability of Rx interface
depending on number of Rx rings") modified be_update_queues() so the
IFACE (HW representation of the netdevice) is destroyed and then
re-created. This causes a regression because potential promiscuous mode
is not restored properly during be_open() because the driver thinks
that the HW has promiscuous mode already enabled.
Note that Lancer is not affected by this bug because RX-filter flags are
disabled during be_close() for this chipset.
Cc: Sathya Perla <sathya.perla@broadcom.com>
Cc: Ajit Khaparde <ajit.khaparde@broadcom.com>
Cc: Sriharsha Basavapatna <sriharsha.basavapatna@broadcom.com>
Cc: Somnath Kotur <somnath.kotur@broadcom.com>
Fixes: 622190669403 ("be2net: Request RSS capability of Rx interface depending on number of Rx rings")
Signed-off-by: Ivan Vecera <ivecera@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In reset events in which our memory allocations need to be reallocated,
VPD data is being freed, but never reallocated. This can cause issues if
we later attempt to access that memory or reset and attempt to free the
memory. This patch moves the allocation of the VPD data to init_resources
so that it will be symmetrically freed during release resources.
Signed-off-by: John Allen <jallen@linux.vnet.ibm.com>
Reviewed-by: Nathan Fontenot <nfont@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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If we request an unsupported mtu value, the vnic server will suggest a
different value. Currently we take the suggested value without question
and login with that value. However, the behavior doesn't seem completely
sane as attempting to change the mtu to some specific value will change
the mtu to some completely different value most of the time. This patch
fixes the issue by logging in with the previously used mtu value and
printing an error message saying that the given mtu is unsupported.
Signed-off-by: John Allen <jallen@linux.vnet.ibm.com>
Reviewed-by: Nathan Fontenot <nfont@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Using newer backing devices can cause the required padding at the end of
buffer as well as the number of queues to change after a failover.
Since we currently assume that these values never change, after a
failover to a backing device with different capabilities, we can get
errors from the vnic server, attempt to free long term buffers that are
no longer there, or not free long term buffers that should be freed.
This patch resolves the issue by checking whether any of these values
change, and if so perform the necessary re-allocations.
Signed-off-by: John Allen <jallen@linux.vnet.ibm.com>
Reviewed-by: Nathan Fontenot <nfont@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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That a kevent could not be scheduled is not an error.
Such handlers must be able to deal with multiple events anyway.
As the successful scheduling of a work is a debug event, make
the failure debug priority, too.
V2: coding style
Signed-off-by: Oliver Neukum <oneukum@suse.com>
Reported-by: Cristian Caravena <caravena@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Don't change endianness when assigning vlan value in cxgb4_tc_flower
code when processing flow match parameters. The value gets converted
to network order as part of filtering code in set_filter_wr.
Signed-off-by: Kumar Sanghvi <kumaras@chelsio.com>
Signed-off-by: Rahul Lakkireddy <rahul.lakkireddy@chelsio.com>
Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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For ethtype_key = ETH_P_IPV6, set filter type as 1 in cxgb4_tc_flower
code when processing flow match parameters.
Signed-off-by: Kumar Sanghvi <kumaras@chelsio.com>
Signed-off-by: Rahul Lakkireddy <rahul.lakkireddy@chelsio.com>
Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Adds support for the current lineup of Xbox One controllers from PDP
(Performance Designed Products). These controllers are very picky with
their initialization sequence and require an additional 2 packets before
they send any input reports.
Signed-off-by: Mark Furneaux <mark@furneaux.ca>
Reviewed-by: Cameron Gutman <aicommander@gmail.com>
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Replace the original license statement with the SPDX identifier.
Update also the copyright owner adding myself as co-owner of the
copyright.
Signed-off-by: Andi Shyti <andi.shyti@samsung.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Helmut reported a bug about division by zero while
running traffic and doing physical cable pull test.
When the cable unplugged the ppms become zero, so when
dividing the current ppms by the previous ppms in the
next dim iteration there is division by zero.
This patch prevent this division for both ppms and epms.
Fixes: c3164d2fc48f ("net/mlx5e: Added BW check for DIM decision mechanism")
Reported-by: Helmut Grauer <helmut.grauer@de.ibm.com>
Signed-off-by: Talat Batheesh <talatb@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fix from James Bottomley:
"One fix for SAS attached SATA CD-ROMs. It turns out that the libata
handling of CD devices relies on the SCSI error handler, so disable
async aborts (which don't start the error handler) for these devices"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: libsas: Disable asynchronous aborts for SATA devices
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git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm
Pull device mapper fixes from Mike Snitzer:
"All fixes marked for stable:
- Fix DM thinp btree corruption seen when inserting a new key/value
pair into a full root node.
- Fix DM thinp btree removal deadlock due to artificially low number
of allowed concurrent locks allowed.
- Fix possible DM crypt corruption if kernel keyring service is used.
Only affects ciphers using following IVs: essiv, lmk and tcw.
- Two DM crypt device initialization error checking fixes.
- Fix DM integrity to allow use of async ciphers that require DMA"
* tag 'for-4.15/dm-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
dm crypt: fix error return code in crypt_ctr()
dm crypt: wipe kernel key copy after IV initialization
dm integrity: don't store cipher request on the stack
dm crypt: fix crash by adding missing check for auth key size
dm btree: fix serious bug in btree_split_beneath()
dm thin metadata: THIN_MAX_CONCURRENT_LOCKS should be 6
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input fixes from Dmitry Torokhov:
- a fix for use-after-free in Synaptics RMI4 driver
- correction to multitouch contact tracking on certain ALPS touchpads
(which got broken when we tried to fix the 2-finger scrolling)
- touchpad on Lenovo T640p is switched over to SMbus/RMI
- a few device node refcount fixes
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: synaptics-rmi4 - prevent UAF reported by KASAN
Input: ALPS - fix multi-touch decoding on SS4 plus touchpads
Input: synaptics - Lenovo Thinkpad T460p devices should use RMI
Input: of_touchscreen - add MODULE_LICENSE
Input: 88pm860x-ts - fix child-node lookup
Input: twl6040-vibra - fix child-node lookup
Input: twl4030-vibra - fix sibling-node lookup
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git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c fixes from Wolfram Sang:
"Two bugfixes for the I2C core: Lixing Wang fixed a refcounting problem
with DT nodes. Jeremy Compostella fixed a buffer overflow possibility
when using a 'don't use' ioctl interface directly"
* 'i2c/for-current-fixed' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
i2c: core-smbus: prevent stack corruption on read I2C_BLOCK_DATA
i2c: core: decrease reference count of device node in i2c_unregister_device
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git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata
Pull libata fixlet from Tejun Heo:
"This just adds one more entry for liteon optical drives to the device
blacklist for large IOs.
The change is very low risk"
* 'for-4.15-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata:
libata: apply MAX_SEC_1024 to all LITEON EP1 series devices
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC fixes from Arnd Bergmann:
"We have various small DT fixes, and one important regression fix:
The recent device tree bugfixes that were intended to address issues
that 'dtc' started warning about in 4.15 fixed various USB PHY device
nodes, but it turns out that we had code that depended on those nodes
being incorrect and the probe failing with a particular error code.
With the workaround we can also deal with correct device nodes.
The DT fixes include:
- Allwinner A10 and A20 had the display pipeline set up incorrectly
(introduced in v4.15)
- The Altera PMU lacked an interrupt-parent (never worked)
- Pin muxing on the Openblocks A7 (never worked)
- Clocks might get set up wrong on Armada 7K/8K (4.15 regression)
We now have additional device tree patches to address all the
remaining warnings introduced in 4.15, but decided to queue them for
4.16 instead, to avoid risking another regression like the USB PHY
thing mentioned above.
* tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
phy: work around 'phys' references to usb-nop-xceiv devices
ARM: sunxi_defconfig: Enable CMA
arm64: dts: socfpga: add missing interrupt-parent
ARM: dts: sun[47]i: Fix display backend 1 output to TCON0 remote endpoint
ARM64: dts: marvell: armada-cp110: Fix clock resources for various node
ARM: dts: da850-lcdk: Remove leading 0x and 0s from unit address
ARM: dts: kirkwood: fix pin-muxing of MPP7 on OpenBlocks A7
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git://people.freedesktop.org/~airlied/linux
Pull drm fixes from Dave Airlie:
"Nouveau, i915, vmwgfx and sun4i regression fixes.
The i915 change fixes a display corruption problem introduced in 4.15,
the nouveau changes are for regressions in 4.15, one of the vmwgfx
fixes goes back a little further, the other is a 4.15 regression fix,
the 3 sun4i changes fix blank HDMI output on those devices"
* tag 'drm-fixes-for-v4.15-rc9' of git://people.freedesktop.org/~airlied/linux:
drm/nouveau/mmu/mcp77: fix regressions in stolen memory handling
drm/nouveau/bar/gk20a: Avoid bar teardown during init
drm/nouveau/drm/nouveau: Pass the proper arguments to nvif_object_map_handle()
drm/vmwgfx: fix memory corruption with legacy/sou connectors
drm/vmwgfx: Fix a boot time warning
drm/i915: Fix deadlock in i830_disable_pipe()
drm/i915: Redo plane sanitation during readout
drm/i915: Add .get_hw_state() method for planes
drm/sun4i: hdmi: Add missing rate halving check in sun4i_tmds_determine_rate
drm/sun4i: hdmi: Fix incorrect assignment in sun4i_tmds_determine_rate
drm/sun4i: hdmi: Check for unset best_parent in sun4i_tmds_determine_rate
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Pull networking fixes from David Miller:
1) Fix BPF divides by zero, from Eric Dumazet and Alexei Starovoitov.
2) Reject stores into bpf context via st and xadd, from Daniel
Borkmann.
3) Fix a memory leak in TUN, from Cong Wang.
4) Disable RX aggregation on a specific troublesome configuration of
r8152 in a Dell TB16b dock.
5) Fix sw_ctx leak in tls, from Sabrina Dubroca.
6) Fix program replacement in cls_bpf, from Daniel Borkmann.
7) Fix uninitialized station_info structures in cfg80211, from Johannes
Berg.
8) Fix miscalculation of transport header offset field in flow
dissector, from Eric Dumazet.
9) Fix LPM tree leak on failure in mlxsw driver, from Ido Schimmel.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (29 commits)
ibmvnic: Fix IPv6 packet descriptors
ibmvnic: Fix IP offload control buffer
ipv6: don't let tb6_root node share routes with other node
ip6_gre: init dev->mtu and dev->hard_header_len correctly
mlxsw: spectrum_router: Free LPM tree upon failure
flow_dissector: properly cap thoff field
fm10k: mark PM functions as __maybe_unused
cfg80211: fix station info handling bugs
netlink: reset extack earlier in netlink_rcv_skb
can: af_can: canfd_rcv(): replace WARN_ONCE by pr_warn_once
can: af_can: can_rcv(): replace WARN_ONCE by pr_warn_once
bpf: mark dst unknown on inconsistent {s, u}bounds adjustments
bpf: fix cls_bpf on filter replace
Net: ethernet: ti: netcp: Fix inbound ping crash if MTU size is greater than 1500
tls: reset crypto_info when do_tls_setsockopt_tx fails
tls: return -EBUSY if crypto_info is already set
tls: fix sw_ctx leak
net/tls: Only attach to sockets in ESTABLISHED state
net: fs_enet: do not call phy_stop() in interrupts
r8152: disable RX aggregation on Dell TB16 dock
...
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Stefan Wahren reports a problem with a warning fix that was merged
for v4.15: we had lots of device nodes with a 'phys' property pointing
to a device node that is not compliant with the binding documented in
Documentation/devicetree/bindings/phy/phy-bindings.txt
This generally works because USB HCD drivers that support both the generic
phy subsystem and the older usb-phy subsystem ignore most errors from
phy_get() and related calls and then use the usb-phy driver instead.
However, it turns out that making the usb-nop-xceiv device compatible with
the generic-phy binding changes the phy_get() return code from -EINVAL to
-EPROBE_DEFER, and the dwc2 usb controller driver for bcm2835 now returns
-EPROBE_DEFER from its probe function rather than ignoring the failure,
breaking all USB support on raspberry-pi when CONFIG_GENERIC_PHY is
enabled. The same code is used in the dwc3 driver and the usb_add_hcd()
function, so a reasonable assumption would be that many other platforms
are affected as well.
I have reviewed all the related patches and concluded that "usb-nop-xceiv"
is the only USB phy that is affected by the change, and since it is by far
the most commonly referenced phy, all the other USB phy drivers appear
to be used in ways that are are either safe in DT (they don't use the
'phys' property), or in the driver (they already ignore -EPROBE_DEFER
from generic-phy when usb-phy is available).
To work around the problem, this adds a special case to _of_phy_get()
so we ignore any PHY node that is compatible with "usb-nop-xceiv",
as we know that this can never load no matter how much we defer. In the
future, we might implement a generic-phy driver for "usb-nop-xceiv"
and then remove this workaround.
Since we generally want older kernels to also want to work with the
fixed devicetree files, it would be good to backport the patch into
stable kernels as well (3.13+ are possibly affected), even though they
don't contain any of the patches that may have caused regressions.
Fixes: 014d6da6cb25 ARM: dts: bcm283x: Fix DTC warnings about missing phy-cells
Fixes: c5bbf358b790 arm: dts: nspire: Add missing #phy-cells to usb-nop-xceiv
Fixes: 44e5dced2ef6 arm: dts: marvell: Add missing #phy-cells to usb-nop-xceiv
Fixes: f568f6f554b8 ARM: dts: omap: Add missing #phy-cells to usb-nop-xceiv
Fixes: d745d5f277bf ARM: dts: imx51-zii-rdu1: Add missing #phy-cells to usb-nop-xceiv
Fixes: 915fbe59cbf2 ARM: dts: imx: Add missing #phy-cells to usb-nop-xceiv
Link: https://marc.info/?l=linux-usb&m=151518314314753&w=2
Link: https://patchwork.kernel.org/patch/10158145/
Cc: stable@vger.kernel.org
Cc: Felipe Balbi <balbi@kernel.org>
Cc: Eric Anholt <eric@anholt.net>
Tested-by: Stefan Wahren <stefan.wahren@i2se.com>
Acked-by: Rob Herring <robh@kernel.org>
Tested-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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git://anongit.freedesktop.org/drm/drm-intel into drm-fixes
Display corruption regression bugfix with both a prep patch and a
follow-up fix
* tag 'drm-intel-fixes-2018-01-18' of git://anongit.freedesktop.org/drm/drm-intel:
drm/i915: Fix deadlock in i830_disable_pipe()
drm/i915: Redo plane sanitation during readout
drm/i915: Add .get_hw_state() method for planes
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Packet descriptor generation for IPv6 is broken.
Properly set L3 and L4 protocol flags for IPv6 descriptors.
Signed-off-by: Thomas Falcon <tlfalcon@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Set some missing fields in the IP control offload buffer. This buffer is
used to enable checksum and TCP segmentation offload in the VNIC server.
The buffer length field and the checksum offloading bits were not set
properly, so fix that here.
Signed-off-by: Thomas Falcon <tlfalcon@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Thought I'd try my luck getting one more in:
- Two fixes for Tegra (one is to common code, but our userspace doesn't hit it).
- One for NV5x-class MCPs
* 'linux-4.15' of git://github.com/skeggsb/linux:
drm/nouveau/mmu/mcp77: fix regressions in stolen memory handling
drm/nouveau/bar/gk20a: Avoid bar teardown during init
drm/nouveau/drm/nouveau: Pass the proper arguments to nvif_object_map_handle()
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When a new LPM tree is created, we try to replace the trees in the
existing virtual routers with it. If we fail, the tree needs to be
freed.
Currently, this does not happen in the unlikely case where we fail to
bind the tree to the first virtual router, since its reference count
never transitions from 1 to 0.
Fix that by taking a reference before binding the tree.
Fixes: fc922bb0dd94 ("mlxsw: spectrum_router: Use one LPM tree for all virtual routers")
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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- Fixes addition of stolen memory base address to PTEs.
- Removes support for compression.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Tested-by: Pierre Moreau <pierre.morrow@free.fr>
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Commit bbb163e18960 ("drm/nouveau/bar: implement bar1 teardown")
introduced add a teardown helper function for BAR1. During
initialisation of the Nouveau, initially all the teardown helpers are
called once, before calling their init counterparts. For gk20a, after
the BAR1 teardown function is called, the device is hanging during the
initialisation of the FB sub-device. At this point it is unclear why
this is happening and this is still under investigation. However, this
change is preventing Tegra124 devices from booting when Nouveau is
enabled. To allow Tegra124 to boot, remove the teardown helper for
gk20a.
This is based upon a previous patch by Guillaume Tucker but limits
the workaround to only gk20a GPUs.
Fixes: bbb163e18960 ("drm/nouveau/bar: implement bar1 teardown")
Reported-by: Guillaume Tucker <guillaume.tucker@collabora.com>
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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