Break current mlx5e xmit flow into smaller blocks (helper functions)
in order to reuse them for IPoIB SKB transmission.
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Reviewed-by: Erez Shitrit <erezsh@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Create IPoIB underlay QP needed by the IPoIB netdevice profile for RSS
and TX HW context to perform on IPoIB traffic.
Reset the underlay QP on dev_uninit ndo to stop IPoIB traffic going
through this QP when the ULP IPoIB decides to cleanup.
Implement attach/detach mcast RDMA netdev callbacks for later RDMA
netdev use.
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Reviewed-by: Erez Shitrit <erezsh@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Implement open/close of IPoIB netdevice ndos using mlx5e's
channels API to manage data path resources (RQs/SQs/CQs).
Set IPoIB netdev address on dev_init ndo.
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Reviewed-by: Erez Shitrit <erezsh@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Modify mlx5e tis creation function to accept underlay qp number, which
will be needed by IPoIB.
Implement mlx5i (IPoIB) tx init/cleanup netdevice profile flows to
create one TIS with the IPoIB underlay qp, for IPoIB TX SQs.
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Reviewed-by: Erez Shitrit <erezsh@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Like the mlx5e ethernet mode, on IPoIB mode we need to create RX steering
tables, but IPoIB do not require MAC and VLAN steering tables so the
only tables we create in here are:
1. TTC Table (Traffic Type Classifier table for RSS steering)
2. ARFS Table (for accelerated RFS support)
Creation of those tables is identical to mlx5e ethernet mode, hence the
use of mlx5e_create_ttc_table and mlx5e_arfs_create_tables.
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Reviewed-by: Erez Shitrit <erezsh@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Implement IPoIB RX RSS (RQTs and TIRs) HW objects creation,
All we do here is simply reuse the mlx5e implementation to create
direct and indirect (RSS) steering HW objects.
For that we just expose
mlx5e_{create,destroy}_{direct,indirect}_{rqt,tir} functions into en.h
and call them from ipoib.c in init/cleanup_rx IPoIB netdevice profile
callbacks.
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Reviewed-by: Erez Shitrit <erezsh@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Create mlx5e IPoIB netdevice profile skeleton in the new ipoib.c
file with empty implementation.
Downstream patches will provide the full mlx5 rdma netdevice acceleration
support for IPoIB into this new file, by using the mlx5e netdevice
profile and new mlx5_channels APIs and infrastructures.
Same as already done in mlx5e NIC netdevice and switchdev mode VF
representors.
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Reviewed-by: Erez Shitrit <erezsh@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
In preparation for mlx5e RDMA net_device support, here we generalize
mlx5e_attach/detach in a way that those functions will be agnostic
to link type. For that we move ethernet specific NIC net device logic out
of those functions into {nic,rep}_{enable/disable} mlx5e NIC and
representor profiles callbacks.
Also some of the logic was moved only to NIC profile since it is not right
to have this logic for representor net device (e.g. set port MTU).
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Reviewed-by: Erez Shitrit <erezsh@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Get the relevant capabilities if supports ipoib_enhanced_offloads and
init the flow steering table accordingly.
Signed-off-by: Erez Shitrit <erezsh@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
IB flow tables need the underlay qp to perform flow steering.
Here we change the API of the flow tables creation to accept the
underlay QP number as a parameter in order to support IB (IPoIB) flow
steering.
Signed-off-by: Erez Shitrit <erezsh@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
New capability bit: ipoib_enhanced_offloads, indicates new ability for UD
QP to do RSS and enhanced IPoIB offloads and acceleration.
Add underlay_qpn to the TIS and flow_table objects In order to support
SET_ROOT command, to connect between IPoIB QPs and flow steering tables.
Signed-off-by: Erez Shitrit <erezsh@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Azure hosts are not supporting non-TCP port numbers in vRSS hashing for
now. For example, UDP packet loss rate will be high if port numbers are
also included in vRSS hash.
So, we created this patch to use only IP numbers for hashing in non-TCP
traffic.
Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Reviewed-by: Stephen Hemminger <sthemmin@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
If the outgoing skb has a RX queue mapping available, we use the queue
number directly, other than put it through Send Indirection Table.
Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Reviewed-by: Stephen Hemminger <sthemmin@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch moves as is the legacy DSA code from dsa.c to legacy.c,
except the few shared symbols which remain in dsa.c.
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The number of rx queues is determined by the rss_cpus parameter
or the cpu topology. If that is higher than EFX_MAX_RX_QUEUES the
driver can corrupt state.
Fixes: 8ceee660aa ("New driver "sfc" for Solarstorm SFC4000 controller.")
Signed-off-by: Bert Kenward <bkenward@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
* if a local variable of type uint16_t is unaligned, your compiler is FUBAR
* the whole point of get_unaligned_... is to avoid memcpy + ..._to_cpu().
Using it *after* memcpy() (into aligned object, no less) is pointless.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Again, a batch that's been sitting a couple of weeks, mostly because I
anticipated a bit more material but it didn't show up -- which is good.
These are all your garden variety fixes for ARM platforms. Most visible issue
fixed here is probably the SMP reset issue on OMAP, the rest are minor stuff.
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Merge tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC fixes from Olof Johansson:
"Again, a batch that's been sitting a couple of weeks, mostly because
I anticipated a bit more material but it didn't show up -- which is
good.
These are all your garden variety fixes for ARM platforms.
The most visible issue fixed here is probably the SMP reset issue on
OMAP, the rest are minor stuff"
* tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
arm64: allwinner: a64: add pmu0 regs for USB PHY
ARM: OMAP2+: omap_device: Sync omap_device and pm_runtime after probe defer
reset: add exported __reset_control_get, return NULL if optional
ARM: orion5x: only call into phylib when available
ARM: omap2+: Revert omap-smp.c changes resetting CPU1 during boot
ARM: dts: am335x-evmsk: adjust mmc2 param to allow suspend
ARM: dts: ti: fix PCI bus dtc warnings
ARM: dts: am335x-baltos: disable EEE for Atheros 8035 PHY
ARM: dts: OMAP3: Fix MFG ID EEPROM
ARM: sun8i: a33: add operating-points-v2 property to all nodes
ARM: sun8i: a33: remove highest OPP to fix CPU crashes
Pull block fixes from Jens Axboe:
"Four small fixes.
Three of them fix the same error in NVMe, in loop, fc, and rdma
respectively. The last fix from Ming fixes a regression in this
series, where our bvec gap logic was wrong and causes an oops on
NVMe for certain conditions"
* 'for-linus' of git://git.kernel.dk/linux-block:
block: fix bio_will_gap() for first bvec with offset
nvme-fc: Fix sqsize wrong assignment based on ctrl MQES capability
nvme-rdma: Fix sqsize wrong assignment based on ctrl MQES capability
nvme-loop: Fix sqsize wrong assignment based on ctrl MQES capability
Without this fix we can get PM related warnings for devices that
use deferred probe. If necessary, this fix can wait for the
v4.12 merge window no problem.
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Merge tag 'omap-for-v4.11/fixes-rc6-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes
Regression fix for omap interconnect code for deferred probe.
Without this fix we can get PM related warnings for devices that
use deferred probe. If necessary, this fix can wait for the
v4.12 merge window no problem.
* tag 'omap-for-v4.11/fixes-rc6-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: OMAP2+: omap_device: Sync omap_device and pm_runtime after probe defer
ARM: omap2+: Revert omap-smp.c changes resetting CPU1 during boot
ARM: dts: am335x-evmsk: adjust mmc2 param to allow suspend
ARM: dts: ti: fix PCI bus dtc warnings
ARM: dts: am335x-baltos: disable EEE for Atheros 8035 PHY
ARM: dts: OMAP3: Fix MFG ID EEPROM
Signed-off-by: Olof Johansson <olof@lixom.net>
Pull cgroup fix from Tejun Heo:
"Unfortunately, the commit to fix the cgroup mount race in the previous
pull request can lead to hangs.
The original bug has been around for a while and isn't too likely to
be triggered in usual use cases. Revert the commit for now"
* 'for-4.11-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup:
Revert "cgroup: avoid attaching a cgroup root to two different superblocks"
Here is a single tty core revert for a patch that was reported to cause
problems. The original issue is one that we have lived with for
decades, so trying to scramble to fix the fix in time for 4.11-final
does not make sense due to the fragility of the tty ldisc layer. Just
reverting it makes sense for now.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-4.11-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty fix from Greg KH:
"Here is a single tty core revert for a patch that was reported to
cause problems.
The original issue is one that we have lived with for decades, so
trying to scramble to fix the fix in time for 4.11-final does not make
sense due to the fragility of the tty ldisc layer. Just reverting it
makes sense for now"
* tag 'tty-4.11-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
Revert "tty: don't panic on OOM in tty_set_ldisc()"
bug. This bug has been there sinc function tracing was added way back
when. But my new development depends on this bug being fixed, and it
should be fixed regardless as it causes ftrace to disable itself when
triggered, and a reboot is required to enable it again.
The bug is that the function probe does not disable itself properly
if there's another probe of its type still enabled. For example:
# cd /sys/kernel/debug/tracing
# echo schedule:traceoff > set_ftrace_filter
# echo do_IRQ:traceoff > set_ftrace_filter
# echo \!do_IRQ:traceoff > /debug/tracing/set_ftrace_filter
# echo do_IRQ:traceoff > set_ftrace_filter
The above registers two traceoff probes (one for schedule and one for
do_IRQ, and then removes do_IRQ. But since there still exists one for
schedule, it is not done properly. When adding do_IRQ back, the breakage
in the accounting is noticed by the ftrace self tests, and it causes
a warning and disables ftrace.
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Merge tag 'trace-v4.11-rc5-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
Pull ftrace fix from Steven Rostedt:
"While rewriting the function probe code, I stumbled over a long
standing bug. This bug has been there sinc function tracing was added
way back when. But my new development depends on this bug being fixed,
and it should be fixed regardless as it causes ftrace to disable
itself when triggered, and a reboot is required to enable it again.
The bug is that the function probe does not disable itself properly if
there's another probe of its type still enabled. For example:
# cd /sys/kernel/debug/tracing
# echo schedule:traceoff > set_ftrace_filter
# echo do_IRQ:traceoff > set_ftrace_filter
# echo \!do_IRQ:traceoff > /debug/tracing/set_ftrace_filter
# echo do_IRQ:traceoff > set_ftrace_filter
The above registers two traceoff probes (one for schedule and one for
do_IRQ, and then removes do_IRQ.
But since there still exists one for schedule, it is not done
properly. When adding do_IRQ back, the breakage in the accounting is
noticed by the ftrace self tests, and it causes a warning and disables
ftrace"
* tag 'trace-v4.11-rc5-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
ftrace: Fix removing of second function probe
This reverts commit bfb0b80db5.
Andrei reports CRIU test hangs with the patch applied. The bug fixed
by the patch isn't too likely to trigger in actual uses. Revert the
patch for now.
Signed-off-by: Tejun Heo <tj@kernel.org>
Reported-by: Andrei Vagin <avagin@virtuozzo.com>
Link: http://lkml.kernel.org/r/20170414232737.GC20350@outlook.office365.com
This fixes a bug in which the upper 32-bits of a 64-bit value which is
read by get_user() was lost on a 32-bit kernel.
While touching this code, split out pre-loading of %sr2 space register
and clean up code indent.
Cc: <stable@vger.kernel.org> # v4.9+
Signed-off-by: Helge Deller <deller@gmx.de>
Conflicts were simply overlapping changes. In the net/ipv4/route.c
case the code had simply moved around a little bit and the same fix
was made in both 'net' and 'net-next'.
In the net/sched/sch_generic.c case a fix in 'net' happened at
the same time that a new argument was added to qdisc_hash_add().
Signed-off-by: David S. Miller <davem@davemloft.net>
Pull nvdimm fixes from Dan Williams:
"A small crop of lockdep, sleeping while atomic, and other fixes /
band-aids in advance of the full-blown reworks targeting the next
merge window. The largest change here is "libnvdimm: fix blk free
space accounting" which deletes a pile of buggy code that better
testing would have caught before merging. The next change that is
borderline too big for a late rc is switching the device-dax locking
from rcu to srcu, I couldn't think of a smaller way to make that fix.
The __copy_user_nocache fix will have a full replacement in 4.12 to
move those pmem special case considerations into the pmem driver. The
"libnvdimm: band aid btt vs clear poison locking" commit admits that
our error clearing support for btt went in broken, so we just disable
it in 4.11 and -stable. A replacement / full fix is in the pipeline
for 4.12
Some of these would have been caught earlier had DEBUG_ATOMIC_SLEEP
been enabled on my development station. I wonder if we should have:
config DEBUG_ATOMIC_SLEEP
default PROVE_LOCKING
...since I mistakenly thought I got both with PROVE_LOCKING=y.
These have received a build success notification from the 0day robot,
and some have appeared in a -next release with no reported issues"
* 'libnvdimm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm:
x86, pmem: fix broken __copy_user_nocache cache-bypass assumptions
device-dax: switch to srcu, fix rcu_read_lock() vs pte allocation
libnvdimm: band aid btt vs clear poison locking
libnvdimm: fix reconfig_mutex, mmap_sem, and jbd2_handle lockdep splat
libnvdimm: fix blk free space accounting
acpi, nfit, libnvdimm: fix interleave set cookie calculation (64-bit comparison)
This is seven small fixes which are all for user visible issues that
fortunately only occur in rare circumstances. The most serious is the
sr one in which QEMU can cause us to read beyond the end of a buffer
(I don't think it's exploitable, but just in case). The next is the
sd capacity fix which means all non 512 byte sector drives greater
than 2TB fail to be correctly sized. The rest are either in new
drivers (qedf) or on error legs.
Signed-off-by: James E.J. Bottomley <jejb@linux.vnet.ibm.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"This is seven small fixes which are all for user visible issues that
fortunately only occur in rare circumstances.
The most serious is the sr one in which QEMU can cause us to read
beyond the end of a buffer (I don't think it's exploitable, but just
in case).
The next is the sd capacity fix which means all non 512 byte sector
drives greater than 2TB fail to be correctly sized.
The rest are either in new drivers (qedf) or on error legs"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: ipr: do not set DID_PASSTHROUGH on CHECK CONDITION
scsi: aacraid: fix PCI error recovery path
scsi: sd: Fix capacity calculation with 32-bit sector_t
scsi: qla2xxx: Add fix to read correct register value for ISP82xx.
scsi: qedf: Fix crash due to unsolicited FIP VLAN response.
scsi: sr: Sanity check returned mode data
scsi: sd: Consider max_xfer_blocks if opt_xfer_blocks is unusable
Pull parisc fix from Helge Deller:
"Mikulas Patocka fixed a few bugs in our new pa_memcpy() assembler
function, e.g. one bug made the kernel unbootable if source and
destination address are the same"
* 'parisc-4.11-4' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux:
parisc: fix bugs in pa_memcpy
Otherwise lockdep says:
[ 1337.483798] ================================================
[ 1337.483999] [ BUG: lock held when returning to user space! ]
[ 1337.484252] 4.11.0-rc6 #19 Not tainted
[ 1337.484423] ------------------------------------------------
[ 1337.484626] mount/14766 is leaving the kernel with locks still held!
[ 1337.484841] 1 lock held by mount/14766:
[ 1337.485017] #0: (&type->s_umount_key#33/1){+.+.+.}, at: [<ffffffff8124171f>] sget_userns+0x2af/0x520
Caught by xfstests generic/413 which tried to mount with the unsupported
mount option dax. Then xfstests generic/422 ran sync which deadlocks.
Signed-off-by: Martin Brandenburg <martin@omnibond.com>
Acked-by: Mike Marshall <hubcap@omnibond.com>
Cc: stable@vger.kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Normal pathname lookup doesn't allow empty pathnames, but using
AT_EMPTY_PATH (with name_to_handle_at() or fstatat(), for example) you
can trigger an empty pathname lookup.
And not only is the RCU lookup in that case entirely unnecessary
(because we'll obviously immediately finalize the end result), it is
actively wrong.
Why? An empth path is a special case that will return the original
'dirfd' dentry - and that dentry may not actually be RCU-free'd,
resulting in a potential use-after-free if we were to initialize the
path lazily under the RCU read lock and depend on complete_walk()
finalizing the dentry.
Found by syzkaller and KASAN.
Reported-by: Dmitry Vyukov <dvyukov@google.com>
Reported-by: Vegard Nossum <vegard.nossum@gmail.com>
Acked-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
The patch 554bfeceb8 ("parisc: Fix access
fault handling in pa_memcpy()") reimplements the pa_memcpy function.
Unfortunatelly, it makes the kernel unbootable. The crash happens in the
function ide_complete_cmd where memcpy is called with the same source
and destination address.
This patch fixes a few bugs in pa_memcpy:
* When jumping to .Lcopy_loop_16 for the first time, don't skip the
instruction "ldi 31,t0" (this bug made the kernel unbootable)
* Use the COND macro when comparing length, so that the comparison is
64-bit (a theoretical issue, in case the length is greater than
0xffffffff)
* Don't use the COND macro after the "extru" instruction (the PA-RISC
specification says that the upper 32-bits of extru result are undefined,
although they are set to zero in practice)
* Fix exception addresses in .Lcopy16_fault and .Lcopy8_fault
* Rename .Lcopy_loop_4 to .Lcopy_loop_8 (so that it is consistent with
.Lcopy8_fault)
Cc: <stable@vger.kernel.org> # v4.9+
Fixes: 554bfeceb8 ("parisc: Fix access fault handling in pa_memcpy()")
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Helge Deller <deller@gmx.de>
Pull input fixes from Dmitry Torokhov:
"Just a small update to xpad driver to recognize yet another gamepad,
and another change making sure userio.h is exported"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: xpad - add support for Razer Wildcat gamepad
uapi: add missing install of userio.h
Pull networking fixes from David Miller:
"Things seem to be settling down as far as networking is concerned,
let's hope this trend continues...
1) Add iov_iter_revert() and use it to fix the behavior of
skb_copy_datagram_msg() et al., from Al Viro.
2) Fix the protocol used in the synthetic SKB we cons up for the
purposes of doing a simulated route lookup for RTM_GETROUTE
requests. From Florian Larysch.
3) Don't add noop_qdisc to the per-device qdisc hashes, from Cong
Wang.
4) Don't call netdev_change_features with the team lock held, from
Xin Long.
5) Revert TCP F-RTO extension to catch more spurious timeouts because
it interacts very badly with some middle-boxes. From Yuchung
Cheng.
6) Fix the loss of error values in l2tp {s,g}etsockopt calls, from
Guillaume Nault.
7) ctnetlink uses bit positions where it should be using bit masks,
fix from Liping Zhang.
8) Missing RCU locking in netfilter helper code, from Gao Feng.
9) Avoid double frees and use-after-frees in tcp_disconnect(), from
Eric Dumazet.
10) Don't do a changelink before we register the netdevice in
bridging, from Ido Schimmel.
11) Lock the ipv6 device address list properly, from Rabin Vincent"
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (29 commits)
netfilter: ipt_CLUSTERIP: Fix wrong conntrack netns refcnt usage
netfilter: nft_hash: do not dump the auto generated seed
drivers: net: usb: qmi_wwan: add QMI_QUIRK_SET_DTR for Telit PID 0x1201
ipv6: Fix idev->addr_list corruption
net: xdp: don't export dev_change_xdp_fd()
bridge: netlink: register netdevice before executing changelink
bridge: implement missing ndo_uninit()
bpf: reference may_access_skb() from __bpf_prog_run()
tcp: clear saved_syn in tcp_disconnect()
netfilter: nf_ct_expect: use proper RCU list traversal/update APIs
netfilter: ctnetlink: skip dumping expect when nfct_help(ct) is NULL
netfilter: make it safer during the inet6_dev->addr_list traversal
netfilter: ctnetlink: make it safer when checking the ct helper name
netfilter: helper: Add the rcu lock when call __nf_conntrack_helper_find
netfilter: ctnetlink: using bit to represent the ct event
netfilter: xt_TCPMSS: add more sanity tests on tcph->doff
net: tcp: Increase TCP_MIB_OUTRSTS even though fail to alloc skb
l2tp: don't mask errors in pppol2tp_getsockopt()
l2tp: don't mask errors in pppol2tp_setsockopt()
tcp: restrict F-RTO to work-around broken middle-boxes
...
Pull x86 fixes from Thomas Gleixner:
"A set of small fixes for x86:
- fix locking in RDT to prevent memory leaks and freeing in use
memory
- prevent setting invalid values for vdso32_enabled which cause
inconsistencies for user space resulting in application crashes.
- plug a race in the vdso32 code between fork and sysctl which causes
inconsistencies for user space resulting in application crashes.
- make MPX signal delivery work in compat mode
- make the dmesg output of traps and faults readable again"
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/intel_rdt: Fix locking in rdtgroup_schemata_write()
x86/debug: Fix the printk() debug output of signal_fault(), do_trap() and do_general_protection()
x86/vdso: Plug race between mapping and ELF header setup
x86/vdso: Ensure vdso32_enabled gets set to valid values only
x86/signals: Fix lower/upper bound reporting in compat siginfo
Pull perf fixes from Thomas Gleixner:
"Two small fixes for perf:
- the move to support cross arch annotation introduced per arch
initialization requirements, fullfill them for s/390 (Christian
Borntraeger)
- add the missing initialization to the LBR entries to avoid exposing
random or stale data"
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf/x86: Avoid exposing wrong/stale data in intel_pmu_lbr_read_32()
perf annotate s390: Fix perf annotate error -95 (4.10 regression)
Pull irq fixes from Thomas Gleixner:
"The irq department provides:
- two fixes for the CPU affinity spread infrastructure to prevent
unbalanced spreading in corner cases which leads to horrible
performance, because interrupts are rather aggregated than spread
- add a missing spinlock initializer in the imx-gpcv2 init code"
* 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
irqchip/irq-imx-gpcv2: Fix spinlock initialization
irq/affinity: Fix extra vecs calculation
irq/affinity: Fix CPU spread for unbalanced nodes
Pull EFI fixes from Thomas Gleixner:
"Three fixes from EFI land:
- prevent accessing a Graphic Output Device (GOP) which the kernel
does not know to handle
- prevent PCI reconfiguration to modify a BAR which covers the
framebuffer because that's already in use through the EFI GOP
interface
- avoid reserving EFI runtime regions as this results in bogus memory
mappings"
* 'efi-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/efi: Don't try to reserve runtime regions
efi/fb: Avoid reconfiguration of BAR that covers the framebuffer
efi/libstub: Skip GOP with PIXEL_BLT_ONLY format
Pull btrfs fixes from Chris Mason:
"Dave Sterba collected a few more fixes for the last rc.
These aren't marked for stable, but I'm putting them in with a batch
were testing/sending by hand for this release"
* 'for-linus-4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs:
Btrfs: fix potential use-after-free for cloned bio
Btrfs: fix segmentation fault when doing dio read
Btrfs: fix invalid dereference in btrfs_retry_endio
btrfs: drop the nossd flag when remounting with -o ssd
Pull more CIFS fixes from Steve French:
"As promised, here is the remaining set of cifs/smb3 fixes for stable
(and a fix for one regression) now that they have had additional
review and testing"
* 'for-next' of git://git.samba.org/sfrench/cifs-2.6:
CIFS: Fix SMB3 mount without specifying a security mechanism
CIFS: store results of cifs_reopen_file to avoid infinite wait
CIFS: remove bad_network_name flag
CIFS: reconnect thread reschedule itself
CIFS: handle guest access errors to Windows shares
CIFS: Fix null pointer deref during read resp processing
Commit 729204ef49ec("block: relax check on sg gap") allows us to merge
bios, if both are physically contiguous. This change can merge a huge
number of small bios, through mkfs for example, mkfs.ntfs running time
can be decreased to ~1/10.
But if one rq starts with a non-aligned buffer (the 1st bvec's bv_offset
is non-zero) and if we allow the merge, it is quite difficult to respect
sg gap limit, especially the max segment size, or we risk having an
unaligned virtual boundary. This patch tries to avoid the issue by
disallowing a merge, if the req starts with an unaligned buffer.
Also add comments to explain why the merged segment can't end in
unaligned virt boundary.
Fixes: 729204ef49 ("block: relax check on sg gap")
Tested-by: Johannes Thumshirn <jthumshirn@suse.de>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Rewrote parts of the commit message and comments.
Signed-off-by: Jens Axboe <axboe@fb.com>
- Allow CPUs to be put back online even if the cpufreq driver is
unable to work with them (eg. due to missing information from
platform firmware), which was the previous behavior expected by
users, but changed in the 4.9 time frame (Chen Yu).
- Fix a few minor issues in the turbostat utility, introduced mostly
during the recent update of it (Len Brown, Doug Smythies).
- Fix a cpupower utility bug causing it to report incorrect values
for turbo frequencies in some cases (Ben Hutchings).
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Merge tag 'pm-4.11-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fixes from Rafael Wysocki:
"These fix a cpufreq core regression related to CPU online/offline and
several issues in the turbostat and cpupower utilities.
Specifics:
- Allow CPUs to be put back online even if the cpufreq driver is
unable to work with them (eg. due to missing information from
platform firmware), which was the previous behavior expected by
users, but changed in the 4.9 time frame (Chen Yu).
- Fix a few minor issues in the turbostat utility, introduced mostly
during the recent update of it (Len Brown, Doug Smythies).
- Fix a cpupower utility bug causing it to report incorrect values
for turbo frequencies in some cases (Ben Hutchings)"
* tag 'pm-4.11-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
cpupower: Fix turbo frequency reporting for pre-Sandy Bridge cores
cpufreq: Bring CPUs up even if cpufreq_online() failed
tools/power turbostat: update version number
tools/power turbostat: fix impossibly large CPU%c1 value
tools/power turbostat: turbostat.8 add missing column definitions
tools/power turbostat: update HWP dump to decimal from hex
tools/power turbostat: enable package THERM_INTERRUPT dump
tools/power turbostat: show missing Core and GFX power on SKL and KBL
tools/power turbostat: bugfix: GFXMHz column not changing
- Revert a recent ACPICA commit targeted at catching firmware bugs
which promptly did that and caused functional problems to appear
(Rafael Wysocki).
- Fix a device enumeration problem introduced in the 4.8 time frame
which caused the ACPI docking station driver to report incorrect
status via sysfs among other things (Rafael Wysocki).
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Merge tag 'acpi-4.11-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI fixes from Rafael Wysocki:
"These revert a recent ACPICA commit that turned out to be problematic
and fix a device enumeration breakage from the 4.8 cycle.
Specifics:
- Revert a recent ACPICA commit targeted at catching firmware bugs
which promptly did that and caused functional problems to appear
(Rafael Wysocki).
- Fix a device enumeration problem introduced in the 4.8 time frame
which caused the ACPI docking station driver to report incorrect
status via sysfs among other things (Rafael Wysocki)"
* tag 'acpi-4.11-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
Revert "ACPICA: Resources: Not a valid resource if buffer length too long"
ACPI / scan: Set the visited flag for all enumerated devices
area on x86 to avoid exposing RAM or tripping hardened usercopy.
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Merge tag 'devmem-v4.11-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux
Pull CONFIG_STRICT_DEVMEM fix from Kees Cook:
"Fixes /dev/mem to read back zeros for System RAM areas in the 1MB
exception area on x86 to avoid exposing RAM or tripping hardened
usercopy"
* tag 'devmem-v4.11-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
mm: Tighten x86 /dev/mem with zeroing reads
virtio pci rework using shared interrupts caused a lot of issues. We
tried to fix them but run out of time. Revert for now, and revisit the
issue for the next kernel.
Luckily we are able to do this without loosing automatic
interrupt NUMA affinity which was the main motivator for the
rework.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
Pull virtio fixes from Michael S. Tsirkin:
"virtio oops fixes
The virtio pci rework using shared interrupts caused a lot of issues.
We tried to fix them but run out of time. Revert for now, and revisit
the issue for the next kernel.
Luckily we are able to do this without loosing automatic interrupt
NUMA affinity which was the main motivator for the rework"
* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost:
virtio-pci: Remove affinity hint before freeing the interrupt
Revert "virtio_pci: remove struct virtio_pci_vq_info"
Revert "virtio_pci: use shared interrupts for virtqueues"
Revert "virtio_pci: don't duplicate the msix_enable flag in struct pci_dev"
Revert "virtio_pci: simplify MSI-X setup"
Revert "virtio_pci: fix out of bound access for msix_names"
MAINTAINERS: fix virtio file pattern
virtio_console: fix uninitialized variable use
virtio_net: clear MTU when out of range
virtio: allow drivers to validate features
virtio_net: enable big packets for large MTU values
Pablo Neira Ayuso says:
====================
Netfilter fixes for net
The following patchset contains Netfilter fixes for your net tree,
they are:
1) Missing TCP header sanity check in TCPMSS target, from Eric Dumazet.
2) Incorrect event message type for related conntracks created via
ctnetlink, from Liping Zhang.
3) Fix incorrect rcu locking when handling helpers from ctnetlink,
from Gao feng.
4) Fix missing rcu locking when updating helper, from Liping Zhang.
5) Fix missing read_lock_bh when iterating over list of device addresses
from TPROXY and redirect, also from Liping.
6) Fix crash when trying to dump expectations from conntrack with no
helper via ctnetlink, from Liping.
7) Missing RCU protection to expecation list update given ctnetlink
iterates over the list under rcu read lock side, from Liping too.
8) Don't dump autogenerated seed in nft_hash to userspace, this is
very confusing to the user, again from Liping.
9) Fix wrong conntrack netns module refcount in ipt_CLUSTERIP,
from Gao feng.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Commit 561eb9d09a ("fbdev: omap/lcd: Make callbacks optional") made
panel callbacks optional but forgot to update check_required_callbacks().
As a result many (all?) OMAP systems using omapfb will crash at boot.
Fix by deleting the whole function.
Fixes: 561eb9d09a ("fbdev: omap/lcd: Make callbacks optional")
Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Cc: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
