Kirill Tkhai says:
====================
Converting pernet_operations (part #5)
this series continues to review and to convert pernet_operations
to make them possible to be executed in parallel for several
net namespaces in the same time. There are mostly netfilter
operations (and they should be the last netfilter's), also
there are two patches touching pktgen and xfrm.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
These pernet_operations are similar to ipv4_net_ops.
They are safe to be async.
Signed-off-by: Kirill Tkhai <ktkhai@virtuozzo.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
These pernet_operations register and unregister bunch
of nf_conntrack_l4proto. Exit method unregisters related
sysctl, init method calls init_net and get_net_proto.
The whole builtin_l4proto4 array has pretty simple
init_net and get_net_proto methods. The first one register
sysctl table, the second one is just RO memory dereference.
So, these pernet_operations are safe to be marked as async.
Signed-off-by: Kirill Tkhai <ktkhai@virtuozzo.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
These pernet_operations unregister net::ipv4::iptable_security table.
Another net/pernet_operations do not send ipv4 packets to foreign
net namespaces. So, we mark them async.
Signed-off-by: Kirill Tkhai <ktkhai@virtuozzo.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
These pernet_operations unregister net::ipv4::iptable_raw table.
Another net/pernet_operations do not send ipv4 packets to foreign
net namespaces. So, we mark them async.
Signed-off-by: Kirill Tkhai <ktkhai@virtuozzo.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
These pernet_operations unregister net::ipv4::nat_table table.
Another net/pernet_operations do not send ipv4 packets to foreign
net namespaces. So, we mark them async.
Signed-off-by: Kirill Tkhai <ktkhai@virtuozzo.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
These pernet_operations unregister net::ipv4::iptable_mangle table.
Another net/pernet_operations do not send ipv4 packets to foreign
net namespaces. So, we mark them async.
Signed-off-by: Kirill Tkhai <ktkhai@virtuozzo.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
These pernet_operations unregister net::ipv4::arptable_filter.
Another net/pernet_operations do not send arp packets to foreign
net namespaces. So, we mark them async.
Signed-off-by: Kirill Tkhai <ktkhai@virtuozzo.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
These pernet_operations create per-net pktgen threads
and /proc entries. These pernet subsys looks closed
in itself, and there are no pernet_operations outside
this file, which are interested in the threads.
Init and/or exit methods look safe to be executed
in parallel.
Signed-off-by: Kirill Tkhai <ktkhai@virtuozzo.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
These pernet_operations register and unregister net::nf::queue_handler
and /proc entry. The handler is accessed only under RCU, so this looks
safe to convert them.
Signed-off-by: Kirill Tkhai <ktkhai@virtuozzo.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
These pernet_operations create and destroy /proc entries.
Also, exit method unsets nfulnl_logger. The logger is not
set by default, and it becomes bound via userspace request.
So, they look safe to be made async.
Signed-off-by: Kirill Tkhai <ktkhai@virtuozzo.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
These pernet_operations also look closed in themself.
Exit method touch only per-net structures, so it's
safe to execute them for several net namespaces in parallel.
Signed-off-by: Kirill Tkhai <ktkhai@virtuozzo.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
These pernet_operations look closed in themself,
and there are no other users of net::nfnl_acct_list
outside. They are safe to be executed for several
net namespaces in parallel.
Signed-off-by: Kirill Tkhai <ktkhai@virtuozzo.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
These pernet_operations create and destroy net::nfnl
socket of NETLINK_NETFILTER code. There are no other
places, where such type the socket is created, except
these pernet_operations. It seem other pernet_operations
depending on CONFIG_NETFILTER_NETLINK send messages
to this socket. So, we mark it async.
Signed-off-by: Kirill Tkhai <ktkhai@virtuozzo.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
These pernet_operations looks nicely separated per-net.
Exit method unregisters net's nf tables objects.
We allow them be executed in parallel.
Signed-off-by: Kirill Tkhai <ktkhai@virtuozzo.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
These pernet_operations create and destroy net::xfrm::nlsk
socket of NETLINK_XFRM. There is only entry point, where
it's dereferenced, it's xfrm_user_rcv_msg(). There is no
in-kernel senders to this socket.
Signed-off-by: Kirill Tkhai <ktkhai@virtuozzo.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The pernet_operations:
ip6table_filter_net_ops
ip6table_mangle_net_ops
ip6table_nat_net_ops
ip6table_raw_net_ops
ip6table_security_net_ops
have exit methods, which call ip6t_unregister_table().
ip6table_filter_net_ops has init method registering
filter table.
Since there must not be in-flight ipv6 packets at the time
of pernet_operations execution and since pernet_operations
don't send ipv6 packets each other, these pernet_operations
are safe to be async.
Signed-off-by: Kirill Tkhai <ktkhai@virtuozzo.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Allow setting firstfrag as matching option in tc flower classifier.
# tc filter add dev eth0 protocol ip parent ffff: \
flower indev eth0 \
ip_flags firstfrag
action mirred egress redirect dev eth1
Signed-off-by: Pieter Jansen van Vuuren <pieter.jansenvanvuuren@netronome.com>
Signed-off-by: Simon Horman <simon.horman@netronome.com>
Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Quote a few fixes as I have not been able to send a pull request
earlier. Most of the fixes for iwlwifi but also few others, nothing
really standing out though.
iwlwifi
* fix a bogus warning when freeing a TFD
* fix severe throughput problem with 9000 series
* fix for a bug that caused queue hangs in certain situations
* fix for an issue with IBSS
* fix an issue with rate-scaling in AP-mode
* fix Channel Switch Announcement (CSA) issues with count 0 and 1
* some firmware debugging fixes
* remov a wrong error message when removing keys
* fix a firmware sysassert most usually triggered in IBSS
* a couple of fixes on multicast queues
* a fix with CCMP 256
rtlwifi
* fix loss of signal for rtl8723be
brcmfmac
* add possibility to obtain firmware error
* fix P2P_DEVICE ethernet address generation
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Merge tag 'wireless-drivers-for-davem-2018-03-08' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers
Kalle Valo:
====================
wireless-drivers fixes for 4.16
Quote a few fixes as I have not been able to send a pull request
earlier. Most of the fixes for iwlwifi but also few others, nothing
really standing out though.
iwlwifi
* fix a bogus warning when freeing a TFD
* fix severe throughput problem with 9000 series
* fix for a bug that caused queue hangs in certain situations
* fix for an issue with IBSS
* fix an issue with rate-scaling in AP-mode
* fix Channel Switch Announcement (CSA) issues with count 0 and 1
* some firmware debugging fixes
* remov a wrong error message when removing keys
* fix a firmware sysassert most usually triggered in IBSS
* a couple of fixes on multicast queues
* a fix with CCMP 256
rtlwifi
* fix loss of signal for rtl8723be
brcmfmac
* add possibility to obtain firmware error
* fix P2P_DEVICE ethernet address generation
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch adds missing initialisation for HP 2013 UltraSlim Dock
Line-In/Out PINs and activates keyboard mute/micmute leds
for HP ProBook 640 G2
Signed-off-by: Dennis Wassenberg <dennis.wassenberg@secunet.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This patch adds missing initialisation for HP 2013 UltraSlim Dock
Line-In/Out PINs and activates keyboard mute/micmute leds
for HP EliteBook 820 G3
Signed-off-by: Dennis Wassenberg <dennis.wassenberg@secunet.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Pretty minor: just SKB_GSO_TCP -> SKB_GSO_TCPV4 and
SKB_GSO_TCP6 -> SKB_GSO_TCPV6.
Signed-off-by: Daniel Axtens <dja@axtens.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Pull a xen_blkfront fix from Konrad:
"It has one simple fix for the multi-queue support not showing up after
a block device was detached/re-attached."
* 'stable/for-jens-4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen:
xen-blkfront: move negotiate_mq to cover all cases of new VBDs
Peng Li says:
====================
fix some bugs for hns3 driver
This patchset fix some bugs for hns3 driver.
[Patch 1/6 - Patch 3/6] fix bugs related about VF driver.
[Patch 3/6 - Patch 6/6] fix the bugs about ethtool_ops.set_channels.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch adds support for VF driver inner interface
hclgevf_ops.get_tqps_and_rss_info. This interface will be
used in the initialization process.
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
HNS3 driver should alloc netdev with max support ring num, as
driver support change netdev count by ethtool -L.
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Command HCLGE_OPC_CFG_COM_TQP_QUEUE should use queue id in the
function, but command HCLGE_OPC_RESET_TQP_QUEUE should use global
queue id.
This patch fixes the queue id about queue enable/disable/reset.
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch fixes the endian issue when PF get mbx message flag.
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Driver check the out_vld bit when get a new cmdq BD, if the bit is 1,
the BD is valid. driver Should set the bit 0 after used and hw will
set the bit 1 if get a valid BD.
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
VF driver should get the real rss_size which is assigned
by host PF, not rss_size_max.
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Let dpipe/resource be retrieved by unprivileged users.
Signed-off-by: Arkadi Sharshevsky <arkadis@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The __send_and_alloc_skb() receives a skb ptr as a parameter but in
case it fails the skb is not valid:
- Send failed and released the skb internally.
- Allocation failed.
The current code tries to release the skb in case of failure which
causes redundant freeing.
Fixes: 9b00cf2d10 ("team: implement multipart netlink messages for options transfers")
Signed-off-by: Arkadi Sharshevsky <arkadis@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This removes a dependency on the order options are passed when creating
a fabrics controller. With the old code, if "nr_io_queues" appears before
an "nqn" option specifying the discovery controller, then nr_io_queues
is overridden with zero. If "nr_io_queues" appears after specifying the
discovery controller, then the nr_io_queues option is used to set the
number of queues, and the driver attempts to establish IO connections
to the discovery controller (which doesn't work).
It seems better to ignore (and warn about) the "nr_io_queues" option
if userspace has already asked to connect to the discovery controller.
Signed-off-by: Roland Dreier <roland@purestorage.com>
Reviewed-by: James Smart <james.smart@broadcom.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Keith Busch <keith.busch@intel.com>
cmd_dt_S_dtb constructs the assembly source to incorporate a devicetree
FDT (that is, the .dtb file) as binary data in the kernel image. This
assembly source contains labels before and after the binary data. The
label names incorporate the file name of the corresponding .dtb file.
Hyphens are not legal characters in labels, so .dtb files built into the
kernel with hyphens in the file name result in errors like the
following:
bcm3368-netgear-cvg834g.dtb.S: Assembler messages:
bcm3368-netgear-cvg834g.dtb.S:5: Error: : no such section
bcm3368-netgear-cvg834g.dtb.S:5: Error: junk at end of line, first unrecognized character is `-'
bcm3368-netgear-cvg834g.dtb.S:6: Error: unrecognized opcode `__dtb_bcm3368-netgear-cvg834g_begin:'
bcm3368-netgear-cvg834g.dtb.S:8: Error: unrecognized opcode `__dtb_bcm3368-netgear-cvg834g_end:'
bcm3368-netgear-cvg834g.dtb.S:9: Error: : no such section
bcm3368-netgear-cvg834g.dtb.S:9: Error: junk at end of line, first unrecognized character is `-'
Fix this by updating cmd_dt_S_dtb to transform all hyphens from the file
name to underscores when constructing the labels.
As of v4.16-rc2, 1139 .dts files across ARM64, ARM, MIPS and PowerPC
contain hyphens in their names, but the issue only currently manifests
on Broadcom MIPS platforms, as that is the only place where such files
are built into the kernel. For example when CONFIG_DT_NETGEAR_CVG834G=y,
or on BMIPS kernels when the dtbs target is used (in the latter case it
admittedly shouldn't really build all the dtb.o files, but thats a
separate issue).
Fixes: 695835511f ("MIPS: BMIPS: rename bcm96358nb4ser to bcm6358-neufbox4-sercom")
Signed-off-by: James Hogan <jhogan@kernel.org>
Reviewed-by: Frank Rowand <frowand.list@gmail.com>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Michal Marek <michal.lkml@markovi.net>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Florian Fainelli <f.fainelli@gmail.com>
Cc: Kevin Cernekee <cernekee@gmail.com>
Cc: <stable@vger.kernel.org> # 4.9+
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
We miss CONFIG_* fragments so test fib-onlink-tests.sh can do:
ip li add lisa type vrf table 1101
ip li add veth1 type veth peer name veth2
And the follow message occurs if it isn't enabled:
Configuring interfaces
RTNETLINK answers: Operation not supported
This enables for NET_NRF (and friends) and VETH so we can create a vrf
table and veth.
Fixes: 153e1b84f4 ("selftests: Add FIB onlink tests")
Signed-off-by: Anders Roxell <anders.roxell@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
The rx_handler field is rcu-protected, but I forgot to use the
proper accessor while refactoring netif_is_ipvlan_port(). Such
function only check the rx_handler value, so it is safe, but we need
to properly read rx_handler via rcu_access_pointer() to avoid sparse
warnings.
Fixes: 1ec54cb44e ("net: unpollute priv_flags space")
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The bloat-o-meter script has two typos in the help, fix both.
Fixes: 192efb7a1f ("bloat-o-meter: provide 3 different arguments for data, function and All")
Signed-off-by: Matteo Croce <mcroce@redhat.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Just small fixes now. The two most important are a fix for a a lock up
on USB ID pin change during system suspend/resume on dwc3 and a
use-after-free fix in ffs_fs_kill_sb().
Apart from that, some DT compatible fixes.
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Merge tag 'fixes-for-v4.16-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-linus
Felipe writes:
usb: fixes for v4.16-rc4
Just small fixes now. The two most important are a fix for a a lock up
on USB ID pin change during system suspend/resume on dwc3 and a
use-after-free fix in ffs_fs_kill_sb().
Apart from that, some DT compatible fixes.
The check_interval file in
/sys/devices/system/machinecheck/machinecheck<cpu number>
directory is a global timer value for MCE polling. If it is changed by one
CPU, mce_restart() broadcasts the event to other CPUs to delete and restart
the MCE polling timer and __mcheck_cpu_init_timer() reinitializes the
mce_timer variable.
If more than one CPU writes a specific value to the check_interval file
concurrently, mce_timer is not protected from such concurrent accesses and
all kinds of explosions happen. Since only root can write to those sysfs
variables, the issue is not a big deal security-wise.
However, concurrent writes to these configuration variables is void of
reason so the proper thing to do is to serialize the access with a mutex.
Boris:
- Make store_int_with_restart() use device_store_ulong() to filter out
negative intervals
- Limit min interval to 1 second
- Correct locking
- Massage commit message
Signed-off-by: Seunghun Han <kkamagui@gmail.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Tony Luck <tony.luck@intel.com>
Cc: linux-edac <linux-edac@vger.kernel.org>
Cc: stable@vger.kernel.org
Link: http://lkml.kernel.org/r/20180302202706.9434-1-kkamagui@gmail.com
Updating microcode used to be relatively rare. Now that it has become
more common we should save the microcode version in a machine check
record to make sure that those people looking at the error have this
important information bundled with the rest of the logged information.
[ Borislav: Simplify a bit. ]
Signed-off-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Yazen Ghannam <yazen.ghannam@amd.com>
Cc: linux-edac <linux-edac@vger.kernel.org>
Cc: stable@vger.kernel.org
Link: http://lkml.kernel.org/r/20180301233449.24311-1-tony.luck@intel.com
Never directly free @dev after calling device_register(), even
if it returned an error! Always use put_device() to give up the
reference initialized.
Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Reviewed-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Juergen Gross <jgross@suse.com>
One version of Lenovo Thinkpad T570 did not use ALC298
(like other Kaby Lake devices). Instead it uses ALC292.
In order to make the Lenovo dock working with that codec
the dock quirk for ALC292 will be used.
Signed-off-by: Dennis Wassenberg <dennis.wassenberg@secunet.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
With the previous two fixes for the write / ioctl races:
ALSA: seq: Don't allow resizing pool in use
ALSA: seq: More protection for concurrent write and ioctl races
the cells aren't any longer in queues at the point calling
snd_seq_pool_done() in snd_seq_ioctl_set_client_pool(). Hence the
function call snd_seq_queue_client_leave_cells() can be dropped safely
from there.
Suggested-by: Nicolai Stange <nstange@suse.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This patch is an attempt for further hardening against races between
the concurrent write and ioctls. The previous fix d15d662e89
("ALSA: seq: Fix racy pool initializations") covered the race of the
pool initialization at writer and the pool resize ioctl by the
client->ioctl_mutex (CVE-2018-1000004). However, basically this mutex
should be applied more widely to the whole write operation for
avoiding the unexpected pool operations by another thread.
The only change outside snd_seq_write() is the additional mutex
argument to helper functions, so that we can unlock / relock the given
mutex temporarily during schedule() call for blocking write.
Fixes: d15d662e89 ("ALSA: seq: Fix racy pool initializations")
Reported-by: 范龙飞 <long7573@126.com>
Reported-by: Nicolai Stange <nstange@suse.de>
Reviewed-and-tested-by: Nicolai Stange <nstange@suse.de>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Display driver assumes it can use clk_set_rate for the display clock
via set-rate-parent mechanism, so add the flag for this to id.
Signed-off-by: Tero Kristo <t-kristo@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Display driver assumes it can use clk_set_rate for the display clock
via set-rate-parent mechanism, so add the flag for this to it.
Signed-off-by: Tero Kristo <t-kristo@ti.com>
Reported-by: Jyri Sarha <jsarha@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Tested-by: Jyri Sarha <jsarha@ti.com>
Certain clkctrl clocks, notably the display ones, use the
CLK_SET_RATE_PARENT feature extensively. Add support for this flag
to the clkctrl clocks.
Signed-off-by: Tero Kristo <t-kristo@ti.com>
Reported-by: Jyri Sarha <jsarha@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Tested-by: Jyri Sarha <jsarha@ti.com>
