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Make it similar to the trylock and R10000_LLSC_WAR cases.
Signed-off-by: Markos Chandras <markos.chandras@imgtec.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/9789/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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This silences warnings like the following one when building with the
latest binutils:
arch/mips/kernel/genex.S: Assembler messages:
arch/mips/kernel/genex.S:438: Warning: the `msa' extension requires 64-bit FPRs
[ralf@linux-mips.org: Markos says binutils 2.25 and some 2.24 snapshots
are affected.]
Signed-off-by: Markos Chandras <markos.chandras@imgtec.com>
Reviewed-by: James Hogan <james.hogan@imgtec.com>
Cc: Paul Burton <paul.burton@imgtec.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/9745/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Add a new argument to br_fdb_delete_by_port which allows to specify a
vid to match when flushing entries and use it in nbp_vlan_delete() to
flush the dynamically learned entries of the vlan/port pair when removing
a vlan from a port. Before this patch only the local mac was being
removed and the dynamically learned ones were left to expire.
Note that the do_all argument is still respected and if specified, the
vid will be ignored.
Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add a comment to explain why we're not disabling port's multicast when it
goes in blocking state. Since there's a check in the timer's function which
bypasses the timer if the port's in blocking/disabled state, the timer will
simply expire and stop without sending more queries.
Suggested-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Relative measurements are typically between 0 and 0xffff. However,
for some tuners (TUNER_S7395 and TUNER_S0194), the range were from
0 to 0xff00, with means that 100% is never archived.
Also, TUNER_RS2000 uses a more complex math.
So, create a macro that does the conversion using bit operations
and use it for all conversions.
The code is also easier to read with is a bonus.
While here, remove a bogus comment.
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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Cleanup this sparse warning:
drivers/media/usb/dvb-usb-v2/lmedm04.c:302 lme2510_update_stats() warn: should '((255 - st->signal_sn - 161) * 3) << 8' be a 64 bit type?
Both c_tmp and s_tmp actually stores a u16 stat. Using a u64 data
there is a waste, specially on u32 archs, as 64 ints there are more
expensive.
So, change the types to u32 and do the typecast only when storing
the result.
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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drivers/media/platform/omap3isp/isppreview.c:932:6: warning: variable ‘features’ set but not used [-Wunused-but-set-variable]
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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On some archs, like tile, the PAGE_SIZE is not 4K. In the case
of tile arch, it can be either 16KB or 64KB.
Due to that, a warning is produced:
drivers/media/pci/saa7134/saa7134.h:678:43: warning: large integer implicitly truncated to unsigned type [-Woverflow]
This is actually an error, as it will write trach to the DMA size
registers. The logic at saa7134-ts already does the right thing:
saa_writeb(SAA7134_TS_DMA0, ((dev->ts.nr_packets-1)&0xff));
saa_writeb(SAA7134_TS_DMA1, (((dev->ts.nr_packets-1)>>8)&0xff));
/* TSNOPIT=0, TSCOLAP=0 */
saa_writeb(SAA7134_TS_DMA2,
((((dev->ts.nr_packets-1)>>16)&0x3f) | 0x00));
So, fix the driver to take larger page sizes into account.
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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Using CONFIG_PM_SLEEP suppress the warnings when the driver is
compiled without PM sleep functions:
drivers/media/rc/st_rc.c:338:12: warning: ‘st_rc_suspend’ defined but not used [-Wunused-function]
drivers/media/rc/st_rc.c:359:12: warning: ‘st_rc_resume’ defined but not used [-Wunused-function]
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Acked-by: Maxime Coquelin <maxime.coquelin@st.com>
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Conflicts:
drivers/net/ethernet/mellanox/mlx4/main.c
net/packet/af_packet.c
Both conflicts were cases of simple overlapping changes.
Signed-off-by: David S. Miller <davem@davemloft.net>
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Display error message if number of timers is less than 2.
Signed-off-by: Ley Foon Tan <lftan@altera.com>
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For AF_INET6 sockets, the value of struct ipv6_pinfo.ipv6only is
exported to userspace. It indicates whether a socket bound to in6addr_any
listens on IPv4 as well as IPv6. Since the socket is natively IPv6, it is not
listed by e.g. 'ss -l -4'.
This patch is accompanied by an appropriate one for iproute2 to enable
the additional information in 'ss -e'.
Signed-off-by: Phil Sutter <phil@nwl.cc>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Current implementation of descriptor init procedure only takes
care about setting/clearing ownership flag in "des0"/"des1"
fields while it is perfectly possible to get unexpected bits
set because of the following factors:
[1] On driver probe underlying memory allocated with
dma_alloc_coherent() might not be zeroed and so
it will be filled with garbage.
[2] During driver operation some bits could be set by SD/MMC
controller (for example error flags etc).
And unexpected and/or randomly set flags in "des0"/"des1"
fields may lead to unpredictable behavior of GMAC DMA block.
This change addresses both items above with:
[1] Use of dma_zalloc_coherent() instead of simple
dma_alloc_coherent() to make sure allocated memory is
zeroed. That shouldn't affect performance because
this allocation only happens once on driver probe.
[2] Do explicit zeroing of both "des0" and "des1" fields
of all buffer descriptors during initialization of
DMA transfer.
And while at it fixed identation of dma_free_coherent()
counterpart as well.
Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Cc: arc-linux-dev@synopsys.com
Cc: linux-kernel@vger.kernel.org
Cc: stable@vger.kernel.org
Cc: David Miller <davem@davemloft.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Andy Gospodarek says:
====================
changes to make ipv4 routing table aware of next-hop link status
This series adds the ability to have the Linux kernel track whether or
not a particular route should be used based on the link-status of the
interface associated with the next-hop.
Before this patch any link-failure on an interface that was serving as a
gateway for some systems could result in those systems being isolated
from the rest of the network as the stack would continue to attempt to
send frames out of an interface that is actually linked-down. When the
kernel is responsible for all forwarding, it should also be responsible
for taking action when the traffic can no longer be forwarded -- there
is no real need to outsource link-monitoring to userspace anymore.
This feature is only enabled with the new per-interface or ipv4 global
sysctls called 'ignore_routes_with_linkdown'.
net.ipv4.conf.all.ignore_routes_with_linkdown = 0
net.ipv4.conf.default.ignore_routes_with_linkdown = 0
net.ipv4.conf.lo.ignore_routes_with_linkdown = 0
...
When the above sysctls are set, the kernel will not only report to
userspace that the link is down, but it will also report to userspace
that a route is dead. This will signal to userspace that the route will
not be selected.
With the new sysctls set, the following behavior can be observed
(interface p8p1 is link-down):
default via 10.0.5.2 dev p9p1
10.0.5.0/24 dev p9p1 proto kernel scope link src 10.0.5.15
70.0.0.0/24 dev p7p1 proto kernel scope link src 70.0.0.1
80.0.0.0/24 dev p8p1 proto kernel scope link src 80.0.0.1 dead linkdown
90.0.0.0/24 via 80.0.0.2 dev p8p1 metric 1 dead linkdown
90.0.0.0/24 via 70.0.0.2 dev p7p1 metric 2
90.0.0.1 via 70.0.0.2 dev p7p1 src 70.0.0.1
cache
local 80.0.0.1 dev lo src 80.0.0.1
cache <local>
80.0.0.2 via 10.0.5.2 dev p9p1 src 10.0.5.15
cache
While the route does remain in the table (so it can be modified if
needed rather than being wiped away as it would be if IFF_UP was
cleared), the proper next-hop is chosen automatically when the link is
down. Now interface p8p1 is linked-up:
default via 10.0.5.2 dev p9p1
10.0.5.0/24 dev p9p1 proto kernel scope link src 10.0.5.15
70.0.0.0/24 dev p7p1 proto kernel scope link src 70.0.0.1
80.0.0.0/24 dev p8p1 proto kernel scope link src 80.0.0.1
90.0.0.0/24 via 80.0.0.2 dev p8p1 metric 1
90.0.0.0/24 via 70.0.0.2 dev p7p1 metric 2
192.168.56.0/24 dev p2p1 proto kernel scope link src 192.168.56.2
90.0.0.1 via 80.0.0.2 dev p8p1 src 80.0.0.1
cache
local 80.0.0.1 dev lo src 80.0.0.1
cache <local>
80.0.0.2 dev p8p1 src 80.0.0.1
cache
and the output changes to what one would expect.
If the global or interface sysctl is not set, the following output would
be expected when p8p1 is down:
default via 10.0.5.2 dev p9p1
10.0.5.0/24 dev p9p1 proto kernel scope link src 10.0.5.15
70.0.0.0/24 dev p7p1 proto kernel scope link src 70.0.0.1
80.0.0.0/24 dev p8p1 proto kernel scope link src 80.0.0.1 linkdown
90.0.0.0/24 via 80.0.0.2 dev p8p1 metric 1 linkdown
90.0.0.0/24 via 70.0.0.2 dev p7p1 metric 2
If the dead flag does not appear there should be no expectation that the
kernel would skip using this route due to link being down.
v2: Split kernel changes into 2 patches: first to add linkdown flag and
second to add new sysctl settings. Also took suggestion from Alex to
simplify code by only checking sysctl during fib lookup and suggestion
from Scott to add a per-interface sysctl. Added iproute2 patch to
recognize and print linkdown flag.
v3: Code cleanups along with reverse-path checks suggested by Alex and
small fixes related to problems found when multipath was disabled.
v4: Drop binary sysctls
v5: Whitespace and variable declaration fixups suggested by Dave
v6: Style changes noticed by Dave and checkpath suggestions.
v7: Last checkpatch fixup.
Though there were some that preferred not to have a configuration option
and to make this behavior the default when it was discussed in Ottawa
earlier this year since "it was time to do this." I wanted to propose
the config option to preserve the current behavior for those that desire
it. I'll happily remove it if Dave and Linus approve.
An IPv6 implementation is also needed (DECnet too!), but I wanted to
start with the IPv4 implementation to get people comfortable with the
idea before moving forward. If this is accepted the IPv6 implementation
can be posted shortly.
There was also a request for switchdev support for this, but that will
be posted as a followup as switchdev does not currently handle dead
next-hops in a multi-path case and I felt that infra needed to be added
first.
FWIW, we have been running the original version of this series with a
global sysctl and our customers have been happily using a backported
version for IPv4 and IPv6 for >6 months.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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This feature is only enabled with the new per-interface or ipv4 global
sysctls called 'ignore_routes_with_linkdown'.
net.ipv4.conf.all.ignore_routes_with_linkdown = 0
net.ipv4.conf.default.ignore_routes_with_linkdown = 0
net.ipv4.conf.lo.ignore_routes_with_linkdown = 0
...
When the above sysctls are set, will report to userspace that a route is
dead and will no longer resolve to this nexthop when performing a fib
lookup. This will signal to userspace that the route will not be
selected. The signalling of a RTNH_F_DEAD is only passed to userspace
if the sysctl is enabled and link is down. This was done as without it
the netlink listeners would have no idea whether or not a nexthop would
be selected. The kernel only sets RTNH_F_DEAD internally if the
interface has IFF_UP cleared.
With the new sysctl set, the following behavior can be observed
(interface p8p1 is link-down):
default via 10.0.5.2 dev p9p1
10.0.5.0/24 dev p9p1 proto kernel scope link src 10.0.5.15
70.0.0.0/24 dev p7p1 proto kernel scope link src 70.0.0.1
80.0.0.0/24 dev p8p1 proto kernel scope link src 80.0.0.1 dead linkdown
90.0.0.0/24 via 80.0.0.2 dev p8p1 metric 1 dead linkdown
90.0.0.0/24 via 70.0.0.2 dev p7p1 metric 2
90.0.0.1 via 70.0.0.2 dev p7p1 src 70.0.0.1
cache
local 80.0.0.1 dev lo src 80.0.0.1
cache <local>
80.0.0.2 via 10.0.5.2 dev p9p1 src 10.0.5.15
cache
While the route does remain in the table (so it can be modified if
needed rather than being wiped away as it would be if IFF_UP was
cleared), the proper next-hop is chosen automatically when the link is
down. Now interface p8p1 is linked-up:
default via 10.0.5.2 dev p9p1
10.0.5.0/24 dev p9p1 proto kernel scope link src 10.0.5.15
70.0.0.0/24 dev p7p1 proto kernel scope link src 70.0.0.1
80.0.0.0/24 dev p8p1 proto kernel scope link src 80.0.0.1
90.0.0.0/24 via 80.0.0.2 dev p8p1 metric 1
90.0.0.0/24 via 70.0.0.2 dev p7p1 metric 2
192.168.56.0/24 dev p2p1 proto kernel scope link src 192.168.56.2
90.0.0.1 via 80.0.0.2 dev p8p1 src 80.0.0.1
cache
local 80.0.0.1 dev lo src 80.0.0.1
cache <local>
80.0.0.2 dev p8p1 src 80.0.0.1
cache
and the output changes to what one would expect.
If the sysctl is not set, the following output would be expected when
p8p1 is down:
default via 10.0.5.2 dev p9p1
10.0.5.0/24 dev p9p1 proto kernel scope link src 10.0.5.15
70.0.0.0/24 dev p7p1 proto kernel scope link src 70.0.0.1
80.0.0.0/24 dev p8p1 proto kernel scope link src 80.0.0.1 linkdown
90.0.0.0/24 via 80.0.0.2 dev p8p1 metric 1 linkdown
90.0.0.0/24 via 70.0.0.2 dev p7p1 metric 2
Since the dead flag does not appear, there should be no expectation that
the kernel would skip using this route due to link being down.
v2: Split kernel changes into 2 patches, this actually makes a
behavioral change if the sysctl is set. Also took suggestion from Alex
to simplify code by only checking sysctl during fib lookup and
suggestion from Scott to add a per-interface sysctl.
v3: Code clean-ups to make it more readable and efficient as well as a
reverse path check fix.
v4: Drop binary sysctl
v5: Whitespace fixups from Dave
v6: Style changes from Dave and checkpatch suggestions
v7: One more checkpatch fixup
Signed-off-by: Andy Gospodarek <gospo@cumulusnetworks.com>
Signed-off-by: Dinesh Dutt <ddutt@cumulusnetworks.com>
Acked-by: Scott Feldman <sfeldma@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add a fib flag called RTNH_F_LINKDOWN to any ipv4 nexthops that are
reachable via an interface where carrier is off. No action is taken,
but additional flags are passed to userspace to indicate carrier status.
This also includes a cleanup to fib_disable_ip to more clearly indicate
what event made the function call to replace the more cryptic force
option previously used.
v2: Split out kernel functionality into 2 patches, this patch simply
sets and clears new nexthop flag RTNH_F_LINKDOWN.
v3: Cleanups suggested by Alex as well as a bug noticed in
fib_sync_down_dev and fib_sync_up when multipath was not enabled.
v5: Whitespace and variable declaration fixups suggested by Dave.
v6: Style fixups noticed by Dave; ran checkpatch to be sure I got them
all.
Signed-off-by: Andy Gospodarek <gospo@cumulusnetworks.com>
Signed-off-by: Dinesh Dutt <ddutt@cumulusnetworks.com>
Acked-by: Scott Feldman <sfeldma@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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v3.18 changed handle_IRQ() to call __handle_domain_irq(), which now
rejects attempts to deliver IRQ0. Since IRQ 0 is used as the timer
interrupt (just like the PIT on x86), this causes boot to fail as the
bogomips calibration never completes.
Fix this by shuffling all interrupts up by one.
Fixes: a71b092a9c68 ("ARM: Convert handle_IRQ to use __handle_domain_irq")
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
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mips:allmodconfig fails to build with
drivers/clocksource/timer-sp804.c: In function '__sp804_clocksource_and_sched_clock_init':
drivers/clocksource/timer-sp804.c:88:3: error: implicit declaration of function 'clk_get_sys'
because CLKDEV_LOOKUP is not configured and the driver depends on it.
Fixes: 0b7402dce445 ("ARM: 8366/1: move Dual-Timer SP804 driver to drivers/clocksource")
Acked-by: Sudeep Holla <sudeep.holla@arm.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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switchdev_port_bridge_getlink() queries SWITCHDEV_ATTR_PORT_BRIDGE_FLAGS
attributes, but a driver doesn't need to implement this in order to get
bridge link information.
So error out only on errors different than -EOPNOTSUPP.
(This is a follow-up patch for 7d4f8d8.)
Fixes: 8793d0a664a8 ("switchdev: add new switchdev_port_bridge_getlink")
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Acked-by: Jiri Pirko <jiri@resnulli.us>
Acked-by: Scott Feldman <sfeldma@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This bug pops up with NetworkManager on Fedora 21. NetworkManager tends to
stop the interface (nicvf_stop() is called) before changing settings. In
stopped state MAC cannot be sent to a PF. However, when the interface is
restarted (nicvf_open() is called), we ping the PF using NIC_MBOX_MSG_READY
message, and the PF replies back with old MAC address, overriding what we
had after MAC setting from userspace. As a result, we cannot set MAC
address using NetworkManager.
This patch introduces special tracking of MAC change in stopped state so
that the correct new MAC address is sent to a PF when interface is reopen.
Signed-off-by: Pavel Fedin <p.fedin@samsung.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
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ICMP messages can trigger ICMP and local errors. In this case
serr->port is 0 and starting from Linux 4.0 we do not return
the original target address to the error queue readers.
Add function to define which errors provide addr_offset.
With this fix my ping command is not silent anymore.
Fixes: c247f0534cc5 ("ip: fix error queue empty skb handling")
Signed-off-by: Julian Anastasov <ja@ssi.bg>
Acked-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Or Gerlitz says:
====================
Mellanox NIC drivers update, June 23 2015
This series has two fixes from Eran to his recent SRIOV counters work in
mlx4 and few more updates from Saeed and Achiad to the mlx5 Ethernet
code. All fixes here relate to net-next code, so no need for -stable.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Prefetch the 1st cache line used by the buffer pointed by
the skb linear data.
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Separate between mlx5e_get_cqe() and mlx5_cqwq_pop(), this helps for
better code readability and better CQ buffer management.
Signed-off-by: Achiad Shochat <achiad@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Use container_of() instead.
Signed-off-by: Achiad Shochat <achiad@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Coding Style fix, remove extra spaces.
Signed-off-by: Achiad Shochat <achiad@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In order to save PCI BW consumed by TX CQEs and to reduce the amount of
CPU cache misses caused by TX CQE reading, we request TX CQE generation
only when skb->xmit_more=0.
As a consequence of the above, a single TX CQE may now indicate the
transmission completion of multiple TX SKBs.
This also handles a problem introduced in commit b1b8105ebf41 "net/mlx5e:
Support NETIF_F_SG" where we didn't ask for NOP completions while the
driver didn't have the proper code to handle this case.
Fixes: b1b8105ebf41 ('net/mlx5e: Support NETIF_F_SG')
Signed-off-by: Achiad Shochat <achiad@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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NOP completion SKBs are always NULL.
Signed-off-by: Achiad Shochat <achiad@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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It is already assigned at mlx5e_build_rq_param()
Signed-off-by: Achiad Shochat <achiad@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Instead of counting number of gso fragments, we can use
skb_shinfo(skb)->gso_segs.
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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To save per-packet calculations, we use the following static mappings:
1) priv {channel, tc} to netdev txq (used @mlx5e_selec_queue())
2) netdev txq to priv sq (used @mlx5e_xmit())
Thanks to these static mappings, no more need for a separate implementation
of ndo_start_xmit when multiple TCs are configured.
We believe the performance improvement of such separation would be negligible, if any.
The previous way of dynamically calculating the above mappings required
allocating more TX queues than actually used (@alloc_etherdev_mqs()),
which is now no longer needed.
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Under SRIOV, the port rx/tx bytes/packets statistics should by read
from the HW instead of using the PF netdevice SW accounting. This is
needed in order to get the full port statistics and not just the PF
own ones
Signed-off-by: Eran Ben Elisha <eranbe@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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NUM_ALL_STATS was not updated with the new four entries, instead
NUM_FLOW_STATS was updated, fix it. that caused off-by-four for all
counters below pf_*_*.
Fixes: b42de4d01264 ('net/mlx4_en: Show PF own statistics via ethtool')
Signed-off-by: Eran Ben Elisha <eranbe@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Move resource allocation from common code to legacy and modern code.
Only request resources actually used, i.e. bar0 in legacy mode and
the bar(s) specified by capabilities in modern mode.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
Pull IOMMU updates from Joerg Roedel:
"This time with bigger changes than usual:
- A new IOMMU driver for the ARM SMMUv3.
This IOMMU is pretty different from SMMUv1 and v2 in that it is
configured through in-memory structures and not through the MMIO
register region. The ARM SMMUv3 also supports IO demand paging for
PCI devices with PRI/PASID capabilities, but this is not
implemented in the driver yet.
- Lots of cleanups and device-tree support for the Exynos IOMMU
driver. This is part of the effort to bring Exynos DRM support
upstream.
- Introduction of default domains into the IOMMU core code.
The rationale behind this is to move functionalily out of the IOMMU
drivers to common code to get to a unified behavior between
different drivers. The patches here introduce a default domain for
iommu-groups (isolation groups).
A device will now always be attached to a domain, either the
default domain or another domain handled by the device driver. The
IOMMU drivers have to be modified to make use of that feature. So
long the AMD IOMMU driver is converted, with others to follow.
- Patches for the Intel VT-d drvier to fix DMAR faults that happen
when a kdump kernel boots.
When the kdump kernel boots it re-initializes the IOMMU hardware,
which destroys all mappings from the crashed kernel. As this
happens before the endpoint devices are re-initialized, any
in-flight DMA causes a DMAR fault. These faults cause PCI master
aborts, which some devices can't handle properly and go into an
undefined state, so that the device driver in the kdump kernel
fails to initialize them and the dump fails.
This is now fixed by copying over the mapping structures (only
context tables and interrupt remapping tables) from the old kernel
and keep the old mappings in place until the device driver of the
new kernel takes over. This emulates the the behavior without an
IOMMU to the best degree possible.
- A couple of other small fixes and cleanups"
* tag 'iommu-updates-v4.2' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: (69 commits)
iommu/amd: Handle large pages correctly in free_pagetable
iommu/vt-d: Don't disable IR when it was previously enabled
iommu/vt-d: Make sure copied over IR entries are not reused
iommu/vt-d: Copy IR table from old kernel when in kdump mode
iommu/vt-d: Set IRTA in intel_setup_irq_remapping
iommu/vt-d: Disable IRQ remapping in intel_prepare_irq_remapping
iommu/vt-d: Move QI initializationt to intel_setup_irq_remapping
iommu/vt-d: Move EIM detection to intel_prepare_irq_remapping
iommu/vt-d: Enable Translation only if it was previously disabled
iommu/vt-d: Don't disable translation prior to OS handover
iommu/vt-d: Don't copy translation tables if RTT bit needs to be changed
iommu/vt-d: Don't do early domain assignment if kdump kernel
iommu/vt-d: Allocate si_domain in init_dmars()
iommu/vt-d: Mark copied context entries
iommu/vt-d: Do not re-use domain-ids from the old kernel
iommu/vt-d: Copy translation tables from old kernel
iommu/vt-d: Detect pre enabled translation
iommu/vt-d: Make root entry visible for hardware right after allocation
iommu/vt-d: Init QI before root entry is allocated
iommu/vt-d: Cleanup log messages
...
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Now that the interface has been proven by a port of Weston (using all
atomic features including TEST_ONLY), remove the module parameter
guarding the atomic API from being exposed, and let it run free in the
wild.
Signed-off-by: Daniel Stone <daniels@collabora.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Since there's only one global instance ever we don't need to have
anything fancy. Stops a WARNING in the get_unique ioctl that the
unique name isn't set.
Cc: <stable@vger.kernel.org> # 4.1+ only
Reportedy-and-tested-by: Fabio Coatti <fabio.coatti@gmail.com>
Cc: Fabio Coatti <fabio.coatti@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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This patch fixes the below build error reported by Stephen,
Stephen reported:
After merging the drm-exynos tree, today's linux-next build (x86_64
allmodconfig) failed like this:
drivers/media/i2c/adv7604.o: In function `of_graph_get_endpoint_by_regs':
adv7604.c:(.text+0x586c): multiple definition of `of_graph_get_endpoint_by_regs'
drivers/media/i2c/adv7343.o:adv7343.c:(.text+0xa13): first defined here
drivers/media/platform/soc_camera/atmel-isi.o: In function `of_graph_get_endpoint_by_regs':
atmel-isi.c:(.text+0x1ec9): multiple definition of `of_graph_get_endpoint_by_regs'
drivers/media/platform/soc_camera/soc_camera.o:soc_camera.c:(.text+0x2ce3): first defined here
drivers/media/platform/soc_camera/rcar_vin.o: In function `of_graph_get_endpoint_by_regs':
rcar_vin.c:(.text+0x307c): multiple definition of `of_graph_get_endpoint_by_regs'
drivers/media/platform/soc_camera/soc_camera.o:soc_camera.c:(.text+0x2ce3): first defined here
Caused by commit:
a0f7001c18ca ("of: add helper for getting endpoint node of specific identifiers")
To fix the error, this patch declares of_graph_get_endpoint_by_regs function
with "static inline".
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Pull MTD updates from Brian Norris:
"JFFS2:
- fix a theoretical unbalanced locking issue; the lock handling was a
bit unclean, but AFAICT, it didn't actually lead to real deadlocks
NAND:
- brcmnand driver: new driver supporting NAND controller found
originally on Broadcom STB SoCs (BCM7xxx), but now also found on
BCM63xxx, iProc (e.g., Cygnus, BCM5301x), BCM3xxx, and more
- begin factoring out BBT code so it can be shared between
traditional (parallel) NAND drivers and upcoming SPI NAND drivers
(WIP)
- add common DT-based init support, so nand_base can pick up some
flash properties automatically, using established common NAND DT
properties
- mxc_nand: support 8-bit ECC
- pxa3xx_nand:
* fix build for ARM64
* use a jiffies-based timeout
SPI NOR:
- add a few new IDs
- clear out some unnecessary entries
- make sure SECT_4K flags are correct for all (?) entries
Core:
- fix mtd->usecount race conditions (BUG_ON())
- switch to modern PM ops
Other:
- CFI: save code space by de-inlining large functions
- clean up some partition parser selection code across several
drivers
- various miscellaneous changes, mostly minor"
* tag 'for-linus-20150623' of git://git.infradead.org/linux-mtd: (57 commits)
mtd: docg3: Fix kasprintf() usage
mtd: docg3: Don't leak docg3->bbt in error path
mtd: nandsim: Fix kasprintf() usage
mtd: cs553x_nand: Fix kasprintf() usage
mtd: r852: Fix device_create_file() usage
mtd: brcmnand: drop unnecessary initialization
mtd: propagate error codes from add_mtd_device()
mtd: diskonchip: remove two-phase partitioning / registration
mtd: dc21285: use raw spinlock functions for nw_gpio_lock
mtd: chips: fixup dependencies, to prevent build error
mtd: cfi_cmdset_0002: Initialize datum before calling map_word_load_partial
mtd: cfi: deinline large functions
mtd: lantiq-flash: use default partition parsers
mtd: plat_nand: use default partition probe
mtd: nand: correct indentation within conditional
mtd: remove incorrect file name
mtd: blktrans: use better error code for unimplemented ioctl()
mtd: maps: Spelling s/reseved/reserved/
mtd: blktrans: change blktrans_getgeo return value
mtd: mxc_nand: generate nand_ecclayout for 8 bit ECC
...
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git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
Pull MFD updates from Lee Jones:
"Changes to existing drivers:
- Constify structures; throughout the subsystem
- Move support to DT in; cros_ec
- DT changes and documentation; cros-ec, max77693, max77686, arizona, da9063
- ACPI changes and documentation; mfd-core
- Use different platform specific API in; cros_ec_*, arizona-core
- Remove unused parent field from; cros_ec_i2c
- Add wake-up/reset delay in; cross_ec_spi, arizona-core
- Staticise structures/functions in; cros_ec
- Remove redundant code; arizona-core, max77686
- Bugfix; twl4030-power
- Allow compile test; aat2870, tps65910
- MAINTAINERS adaptions; samsung, syscon
- Resource Management (devm_*); arizona-core
- Refactor Reset code; arizona-core
- Insist on at least one full boot; arizona-core
- Trivial formatting; arizona-core
- Add low-power-sleep; arizona-core
- IRQ ONESHOT changes; twl4030-irq, mc13xxx-core, wm831x-auxadc, htc-i2cpld,
wm8350-core, ab8500-debugfs, ab8500-gpadc, si476x-i2c
(Re-)moved drivers:
- Move protocol helpers out to drivers/platform; cros_ec
New drivers/supported devices:
- Add support for AXP22x into axp20x
- Add support for OnKey into da9063-core
- Add support for Pinctrl into mt6397-core
- New STMicroelectronics LPC Watchdog driver
- New STMicroelectronics LPC Real-Time Clock driver"
* tag 'mfd-for-linus-4.2' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (59 commits)
mfd: lpc_ich: Assign subdevice ids automatically
mfd: si476x-i2c: Pass the IRQF_ONESHOT flag
mfd: ab8500-gpadc: Pass the IRQF_ONESHOT flag
mfd: ab8500-debugfs: Pass the IRQF_ONESHOT flag
mfd: wm8350-core: Pass the IRQF_ONESHOT flag
mfd: htc-i2cpld: Pass the IRQF_ONESHOT flag
mfd: wm831x-auxadc: Pass the IRQF_ONESHOT flag
mfd: mc13xxx-core: Pass the IRQF_ONESHOT flag
mfd: twl4030-irq: Pass the IRQF_ONESHOT flag
mfd: mt6397-core: Add GPIO sub-module support
mfd: arizona: Add convience defines for micd_rate/micd_bias_starttime
mfd: dt: Add bindings for DA9063 OnKey
mfd: da9063: Add support for OnKey driver
mfd: arizona: Fix incorrect Makefile conditionals
mfd: arizona: Add stub for wm5102_patch()
mfd: Check ACPI device companion before checking resources
Documentation: Add WM8998/WM1814 device tree bindings
mfd: arizona: Split INx_MODE into two fields
mfd: wm5110: Add delay before releasing reset line
mfd: arizona: Add better support for system suspend
...
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator updates from Mark Brown:
"Another fairly quiet release, some new drivers with generic handling
for minor features but nothing that makes a substantial difference
outside of the subsystem or for most boards:
- support for a bunch of new parameters which are present on enough
regulators to be worth having generic handling for in the
framework.
- fixes for some issues with printing constraints during boot which
should probably have gone in for v4.1 but didn't.
- new drivers for Dialog DA9062, Maxim MAX77621 and Qualcomm SPMI
regulators"
* tag 'regulator-v4.2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: (45 commits)
regulator: qcom_spmi: Fix calculating number of voltages
regulator: qcom_spmi: Add missing braces for aligned code
regulator: fix simple_return.cocci warnings
regulator: Add QCOM SPMI regulator driver
regulator: Add docbook for soft start
regulator: Add input current limit support
regulator: Add soft start support
regulator: Add pull down support
regulator: Add system_load constraint
regulator: max8973: Fix up ramp_delay for MAX8973_RAMP_25mV_PER_US case
regulator: core: replace sprintf with scnprintf
regulator: core: fix constraints output buffer
regulator: core: Don't corrupt display when printing uV offsets
regulator: max8973: add support for MAX77621
regulator: max8973: configure ramp delay through callback
regulator: pwm-regulator: Diffientiate between dev (device) and rdev (regulator_dev)
regulator: pwm-regulator: Remove superfluous is_enabled check
regulator: pwm-regulator: Remove unnecessary descriptor attribute from ddata
regulator: core: Don't spew backtraces on duplicate sysfs
regulator: da9063: Fix up irq leak
...
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi updates from Mark Brown:
"No framework updates for the SPI API this time around aside from one
small fix, just driver improvments. Some highlights include:
- New driver support for CSR USP, Mikrotik RB4xx and Zynq GQSPI
controllers.
- Modernisation of the OMAP McSPI controller driver, moving it to
current APIs to enable support for a wider range of client drivers.
- DMA support for the bcm2835 controller"
* tag 'spi-v4.2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: (60 commits)
spi: zynq: Remove execute bit
spi: atmel: add support to FIFOs
spi: atmel: update DT bindings documentation
spi: spi-fsl-dspi: Update DT binding documentation
spi: pxa2xx: Constify ACPI device ids
spi: Add support for Zynq Ultrascale+ MPSoC GQSPI controller
spi: zynq: Add DT bindings documentation for Zynq Ultrascale+ MPSoC GQSPI controller
spi: fsl-dspi: Use pinctrl PM helpers
spi: davinci: change the lower limit of pre-scale divider to 1
spi: spi-fsl-dspi: Change the way of increasing spi_message->actual_length
spi: spi-fsl-dspi: Enable TCF interrupt mode support
spi: atmel: add support for the internal chip-select of the spi controller
spi: spi-pxa2xx: remove legacy PXA DMA bits
spi: pxa2xx: Make LPSS SPI general register optional
spi: pxa2xx: Prepare for new Intel LPSS SPI type
spi: pxa2xx: Differentiate Intel LPSS types
spi: restore rx/tx_buf in case of unset CONFIG_HAS_DMA
spi: rspi: Re-do the returning value of qspi_transfer_out_in
spi: rspi: modify the name of "qspi_trigger_transfer_out_int" function
spi: orion: Fix extended baud rates for each Armada SoCs
...
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap
Pull regmap updates from Mark Brown:
"As well as a few fixes and updates for API changes there's two new
features for the API:
- Better support for handling a reset of the underlying hardware,
marking the register map as needing a resync to the device when we
need to do that automatically
- Support for querying the size and stride of the register map,
allowing higher level frameworks to configure themselves more
readily"
* tag 'regmap-v4.2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap:
regmap: Fix possible shift overflow in regmap_field_init()
regmap: Fix regmap_bulk_read in BE mode
regmap: kill off set_irq_flags usage
regmap: irq: Fixed a typo error
regmap: drop unneeded goto
regmap: Introduce regmap_get_reg_stride
regmap: Introduce regmap_get_max_register
regmap: Use regcache_mark_dirty() to indicate power loss or reset
regmap: Add a helper function for regcache sync test
regmap: Constify irq_domain_ops
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This mirrors the change introduced by 7d0ae8086b8 of same title
in Linus' tree; it's not obvious as a merge resolution since we moved
the function.
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux
Pull fbdev updates from Tomi Valkeinen:
- ssd1307fb: various fixes and improvements, SSD1305 support
- use architecture agnostic functions instead of MTRR functions in
various fbdev drivers
- TI DRA7xx SoC display support (arch/arm/ side)
- OMAPDSS componentization to fix probing order issues
- OMAPDSS scaling fixes
- msm_fb: remove obsoleted driver
* tag 'fbdev-4.2' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux: (77 commits)
msm: msm_fb: Remove dead code
OMAPDSS: HDMI: wait for framedone when stopping video
OMAPDSS: HDMI4: fix error handling
OMAPDSS: DISPC: scaler debug print
OMAPDSS: DISPC: do only y decimation on OMAP3
OMAPDSS: DISPC: check if scaling setup failed
OMAPDSS: DISPC: fix 64 bit issue in 5-tap
OMAPDSS: DISPC: fix row_inc for OMAP3
OMAPDSS: DISPC: add check for scaling limits
OMAPDSS: DISPC: fix check_horiz_timing_omap3 args
OMAPDSS: DISPC: fix predecimation for YUV modes
OMAPDSS: DISPC: work-around for errata i631
OMAPDSS: simplify submodule reg/unreg code
OMAPDSS: componentize omapdss
OMAPDSS: reorder uninit calls
OMAPDSS: remove uses of __init/__exit
OMAPDSS: fix dss_init_ports error handling
OMAPDSS: refactor dss probe function
OMAPDSS: move 'dss_initialized' to dss driver
fbdev: propagate result of fb_videomode_from_videomode()
...
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Pull power supply and reset updates from Sebastian Reichel:
- new charger drivers: BQ24257, BQ25890, AXP288, RT9455
- MAX17042 battery: add health & temperature support
- BQ2415x charger: add ACPI support
- misc fixes and cleanups
* tag 'for-4.2' of git://git.infradead.org/battery-2.6: (32 commits)
power_supply: Correct kerneldoc copy paste errors
wm831x_power: Fix off-by-one at free_irq()
power_supply: rt9455_charger: Fix error reported by static analysis tool
power_supply: bq24257: use flags argument of devm_gpiod_get
power_supply: bq25890: use flags argument of devm_gpiod_get
sbs-battery: add option to always register battery
power: Add devm_power_supply_get_by_phandle() helper function
power_supply: max17042: Add OF support for setting thresholds
power_supply: sysfs: Bring back write to writeable properties
power_supply: rt9455_charger: Check if CONFIG_USB_PHY is enabled
power: reset: gpio-restart: increase priority slightly
power_supply: bq25890: make chip_id int
power_supply: Add support for Richtek RT9455 battery charger
Documentation: devicetree: Add Richtek RT9455 bindings
of: Add vendor prefix for Richtek Technology Corporation
power_supply: 88pm860x_charger: Do not call free_irq() twice
power: bq24190_charger: Change first_time flag reset condition
power: axp288_charger: axp288 charger driver
power: max17042_battery: add HEALTH and TEMP_* properties support
power_supply: Add support for TI BQ25890 charger chip
...
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git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-hsi
Pull HSI updates from Sebastian Reichel:
"Misc fixes"
* tag 'hsi-for-4.2' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-hsi:
HSI: nokia-modem: use flags argument of devm_gpiod_get to set direction
HSI: nokia-modem: Reduce missing driver message to debug level
HSI: cmt_speech: fix timestamp interface
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Pull SCSI updates from James Bottomley:
"This is the usual grab bag of driver updates (lpfc, hpsa,
megaraid_sas, cxgbi, be2iscsi) plus an assortment of minor updates.
There is also one new driver: the Cisco snic. The advansys driver has
been rewritten to get rid of the warning about converting it to the
DMA API, the tape statistics patch got in and finally, there's a
resuffle of SCSI header files to separate more cleanly initiator from
target mode (and better share the common definitions)"
* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (156 commits)
snic: driver for Cisco SCSI HBA
qla2xxx: Fix indentation
qla2xxx: Comment out unreachable code
fusion: remove dead MTRR code
advansys: fix compilation errors and warnings when CONFIG_PCI is not set
mptsas: fix depth param in scsi_track_queue_full
megaraid: fix irq setup process regression
lpfc: Update version to 10.7.0.0 for upstream patch set.
lpfc: Fix to drop PLOGIs from fabric node till LOGO processing completes
lpfc: Fix scsi task management error message.
lpfc: Fix cq_id masking problem.
lpfc: Fix scsi prep dma buf error.
lpfc: Add support for using block multi-queue
lpfc: Devices are not discovered during takeaway/giveback testing
lpfc: Fix vport deletion failure.
lpfc: Check for active portpeerbeacon.
lpfc: Update driver version for upstream patch set 10.6.0.1.
lpfc: Change buffer pool empty message to miscellaneous category
lpfc: Fix incorrect log message reported for empty FCF record.
lpfc: Fix rport leak.
...
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git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma
Pull rdma updates from Doug Ledford:
- a large cleanup of how device capabilities are checked for various
features
- additional cleanups in the MAD processing
- update to the srp driver
- creation and use of centralized log message helpers
- add const to a number of args to calls and clean up call chain
- add support for extended cq create verb
- add support for timestamps on cq completion
- add support for processing OPA MAD packets
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma: (92 commits)
IB/mad: Add final OPA MAD processing
IB/mad: Add partial Intel OPA MAD support
IB/mad: Add partial Intel OPA MAD support
IB/core: Add OPA MAD core capability flag
IB/mad: Add support for additional MAD info to/from drivers
IB/mad: Convert allocations from kmem_cache to kzalloc
IB/core: Add ability for drivers to report an alternate MAD size.
IB/mad: Support alternate Base Versions when creating MADs
IB/mad: Create a generic helper for DR forwarding checks
IB/mad: Create a generic helper for DR SMP Recv processing
IB/mad: Create a generic helper for DR SMP Send processing
IB/mad: Split IB SMI handling from MAD Recv handler
IB/mad cleanup: Generalize processing of MAD data
IB/mad cleanup: Clean up function params -- find_mad_agent
IB/mlx4: Add support for CQ time-stamping
IB/mlx4: Add mmap call to map the hardware clock
IB/core: Pass hardware specific data in query_device
IB/core: Add timestamp_mask and hca_core_clock to query_device
IB/core: Extend ib_uverbs_create_cq
IB/core: Add CQ creation time-stamping flag
...
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