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Rearrange macros to query for storage-only modes in different MF environment.
Improves the readibility and maintainability of the code. E.g.:
- if (IS_MF_STORAGE_SD(bp) || IS_MF_FCOE_AFEX(bp))
+ if (IS_MF_STORAGE_ONLY(bp))
In addition, this removes the need for bnx2x_is_valid_ether_addr().
Signed-off-by: Dmitry Kravkov <Dmitry.Kravkov@qlogic.com>
Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com>
Signed-off-by: Ariel Elior <Ariel.Elior@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Recently aded the use of skb_frag_dma_map to 3c59x, but didn't realize it
automatically included the frag_offset internally, as well as provided an option
to specify an extra offset in the parameter list. We need to specify an offset
of 0 in the parameter list to avoid skb corruption that results in lost
connections.
Signed-off-by: Neil Horman <nhorman@tuxdriver.com>
CC: Linux Kernel list <linux-kernel@vger.kernel.org>
CC: "David S. Miller" <davem@davemloft.net>
CC: Meelis Roos <mroos@linux.ee>
Tested-by: Meelis Roos <mroos@linux.ee>
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Noted that 3c59x has no checks on transmit for failed DMA mappings, and no
ability to unmap fragments when a single map fails in the middle of a transmit.
This patch provides error checking to ensure that dma mappings work properly,
and unrolls an skb mapping if a fragmented skb transmission has a mapping
failure to prevent leaks.
Signed-off-by: Neil Horman <nhorman@tuxdriver.com>
CC: Linux Kernel list <linux-kernel@vger.kernel.org>
CC: "David S. Miller" <davem@davemloft.net>
CC: Meelis Roos <mroos@linux.ee>
Tested-by: Meelis Roos <mroos@linux.ee>
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Florian Fainelli says:
====================
net: phy: Broadcom BCM7xxx PHY workaround update
This patch sets the change to of_phy_connect() that you have seen before,
this time with the full context of why it is useful and applicable here.
Due to some design decision, the internal PHY on Broadcom BCM7xxx chips
is not entirely self contained and does not report its internal revision
through MII_PHYSID2, that is left to external PHY designs.
This forces us to get the PHY revision from the GENET and SF2 switch drivers
because those two peripherals integrate such a PHY and do contain the PHY
revision in their registers.
The approach taken here is hopefully easy to extend to similar needs for
other chips/ as well.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Now that the GENET and SF2 drivers have been updated to communicate us
what is the revision of the BCM7xxx integrated PHY, utilize that
information in the config_init() callback to call into the appropriate
workaround function based on our revision.
While at it, we also print the revision and patch level to help debug
new chips.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The integrated BCM7xxx PHY contains no useful revision information
in its MII_PHYSID2 bits 3:0, that information is instead contained in
the SWITCH_REG_PHY_REVISION register.
Read this register, store its value, and return it by implementing the
dsa_switch::get_phy_flags() callback accordingly. The register layout is
already matching what the BCM7xxx PHY driver is expecting to find.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Some switch drivers (e.g: bcm_sf2) may have to communicate specific
workarounds or flags towards the PHY device driver. Allow switches
driver to be delegated that task by introducing a get_phy_flags()
callback which will do just that.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The integrated BCM7xxx PHY contains no useful revision information in
its MII_PHYSID2 bits 3:0, that information is instead contained in the
GENET hardware block.
We already read the GENET 32-bit revision register, so store the
integrated PHY revision in the driver private structure, and then
communicate this revision value to the PHY driver by overriding the
phy_flags value.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Now that we have removed the need for the PHY_BRCM_100MBPS_WAR flag, we
can remove it from the GENET driver and the broadcom shared header file.
The PHY driver checks the PHY supported bitmask instead.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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There is no need for the PHY driver to check PHY_BRCM_100MBPS_WAR since
that is redundant with checking the PHY device supported features. Get
rid of that workaround flag.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The Broadcom BCM7xxx internal PHYs do not contain any useful revision
information in the low 4-bits of their MII_PHYSID2 (MII register 3)
which could allow us to properly identify them.
As a result, we need the actual hardware block integrating these PHYs:
GENET or the SF2 switch to tell us what revision they are built with. To
assist with that, add two helper macros for fetching the the PHY
revision and patch level from the struct phy_device::dev_flags.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Commit f9a8f83b04e0 ("net: phy: remove flags argument from phy_{attach,
connect, connect_direct}") removed the flags argument to the PHY library
calls to: phy_{attach,connect,connect_direct}.
Most Device Tree aware drivers call of_phy_connect() with the flag
argument set to 0, but some of them might want to set a different value
there in order for the PHY driver to key a specific behavior based on
the phy_device::phy_flags value.
Allow such drivers to set custom phy_flags as part of the
of_phy_connect() call since of_phy_connect() does start the PHY state
machine, it will call into the PHY driver config_init() callback which
is usually where a specific phy_flags value is important.
Fixes: f9a8f83b04e0 ("net: phy: remove flags argument from phy_{attach, connect, connect_direct}")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Extract from sock_alloc_send_pskb() code building skb with frags,
so that we can reuse this in other contexts.
Intent is to use it from tcp_send_rcvq(), tcp_collapse(), ...
We also want to replace some skb_linearize() calls to a more reliable
strategy in pathological cases where we need to reduce number of frags.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs
Pull btrfs fixes from Chris Mason:
"I've got a revert to fix a regression with btrfs device registration,
and Filipe has part two of his fsync fix from last week"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs:
Revert "Btrfs: device_list_add() should not update list when mounted"
Btrfs: set inode's logged_trans/last_log_commit after ranged fsync
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Pull NFS client fixes from Trond Myklebust:
"Highligts:
- fix an Oops in nfs4_open_and_get_state
- fix an Oops in the nfs4_state_manager
- fix another bug in the close/open_downgrade code"
* tag 'nfs-for-3.17-5' of git://git.linux-nfs.org/projects/trondmy/linux-nfs:
NFSv4: Fix another bug in the close/open_downgrade code
NFSv4: nfs4_state_manager() vs. nfs_server_remove_lists()
NFS: remove BUG possibility in nfs4_open_and_get_state
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Now we no longer rely on having tcp headers for skbs in receive queue,
tcp repair do not need to build fake ones.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Acked-by: Neal Cardwell <ncardwell@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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fix several issues in sparc BPF JIT compiler.
ldx/stx related:
. classic BPF instructions that access mem[] slots were not setting
SEEN_MEM flag, so stack wasn't allocated. Fix that by advertising
correct flags
. LDX/STX instructions were missing SEEN_XREG, so register value
could have leaked to user space. Fix it.
. since stack for mem[] slots is allocated with 'sub %sp' instead
of 'save %sp', use %sp as base register instead of %fp.
. ldx mem[0] means first slot in classic BPF which should have
-4 offset instead of 0.
. sparc64 needs 2047 stack bias as per ABI to access stack
. emit_stmem() was using LD32I macro instead of ST32I
SKF_AD_VLAN_TAG* related:
. SKF_AD_VLAN_TAG_PRESENT must return 1 or 0 instead of '> 0' or 0
as per classic BPF de facto standard
. SKF_AD_VLAN_TAG needs to mask the field correctly
Fixes: 2809a2087cc4 ("net: filter: Just In Time compiler for sparc")
Signed-off-by: Alexei Starovoitov <ast@plumgrid.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Andy Zhou says:
====================
Refactor vxlan and l2tp to use new common UDP tunnel APIs
This patch series add a few more UDP tunnel APIs and refactoring current
UDP tunnel based protocols, vxlan and l2tp to make use of the new APIs.
The added APIs are setup_udp_tunnel_sock(), udp_tunnel_xmit_skb() and
udp_tunnel_sock_release(). Those implementation logics already exist in
current vxlan and l2tp implementation. Move them to common APIs to reduce
code duplications.
Also split udp_tunnel.c into net/ipv4/udp_tunnel.c and
net/ipv6/ip6_udp_tunnel.c to maintain proper IP protocol separation.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Simplify l2tp implementation using common UDP tunnel APIs.
Signed-off-by: Andy Zhou <azhou@nicira.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Simplify vxlan implementation using common UDP tunnel APIs.
Signed-off-by: Andy Zhou <azhou@nicira.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Added a few more UDP tunnel APIs that can be shared by UDP based
tunnel protocol implementation. The main ones are highlighted below.
setup_udp_tunnel_sock() configures UDP listener socket for
receiving UDP encapsulated packets.
udp_tunnel_xmit_skb() and upd_tunnel6_xmit_skb() transmit skb
using UDP encapsulation.
udp_tunnel_sock_release() closes the UDP tunnel listener socket.
Signed-off-by: Andy Zhou <azhou@nicira.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add ip6_udp_tunnel.c for ipv6 UDP tunnel functions to avoid ifdefs
in udp_tunnel.c
Signed-off-by: Andy Zhou <azhou@nicira.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Frank Li says:
====================
net: fec: add interrupt coalescence
improve error handle when parse queue number.
add interrupt coalescence feature.
Change from v2 to v3
- add error check in fec_enet_set_coalesce
- fix a run time warning to get clock rate in interrupt
- fix commit message use TKT number
Change from v1 to v2
- fix indention
- use errata number instead of TKT
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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When enable three queues on imx6sx enet, and then do tx performance
test with iperf tool, after some time running, tx hang.
Found that:
If uDMA is running, software set TDAR may cause tx hang.
If uDMA is in idle, software set TDAR don't cause tx hang.
There is a TDAR race condition for mutliQ when the software sets TDAR
and the UDMA clears TDAR simultaneously or in a small window (2-4 cycles).
This will cause the udma_tx and udma_tx_arbiter state machines to hang.
The issue exist at i.MX6SX enet IP.
So, the Workaround is checking TDAR status four time, if TDAR cleared by
hardware and then write TDAR, otherwise don't set TDAR.
The patch is only one Workaround for the issue ERR007885.
Signed-off-by: Fugang Duan <B38611@freescale.com>
Signed-off-by: Frank Li <Frank.Li@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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when enable interrupt coalesce, 8 BD is not enough.
Signed-off-by: Frank Li <Frank.Li@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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i.MX6 SX support interrupt coalescence feature
By default, init the interrupt coalescing frame count threshold and
timer threshold.
Supply the ethtool interfaces as below for user tuning to improve
enet performance:
rx_max_coalesced_frames
rx_coalesce_usecs
tx_max_coalesced_frames
tx_coalesce_usecs
Signed-off-by: Fugang Duan <B38611@freescale.com>
Signed-off-by: Frank Li <Frank.Li@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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check tx and rx queue seperately.
fix typo, "Invalidate" and "fail".
change pr_err to pr_warn.
Signed-off-by: Frank Li <Frank.Li@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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commit 233577a22089 ("net: filter: constify detection of pkt_type_offset")
allows us to implement simple PKTTYPE support in sparc JIT
Signed-off-by: Alexei Starovoitov <ast@plumgrid.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull PCI fixes from Bjorn Helgaas:
"These fix:
- Boot video device detection on dual-GPU Apple systems
- Hotplug fiascos on VGA switcheroo with radeon & nouveau drivers
- Boot hang on Freescale i.MX6 systems
- Excessive "no hotplug settings from platform" warnings
In particular:
Enumeration
- Don't default exclusively to first video device (Bruno Prémont)
PCI device hotplug
- Remove "no hotplug settings from platform" warning (Bjorn Helgaas)
- Add pci_ignore_hotplug() for VGA switcheroo (Bjorn Helgaas)
Freescale i.MX6
- Put LTSSM in "Detect" state before disabling (Lucas Stach)"
* tag 'pci-v3.17-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci:
vgaarb: Drop obsolete #ifndef
vgaarb: Don't default exclusively to first video device with mem+io
ACPIPHP / radeon / nouveau: Remove acpi_bus_no_hotplug()
PCI: Remove "no hotplug settings from platform" warning
PCI: Add pci_ignore_hotplug() to ignore hotplug events for a device
PCI: imx6: Put LTSSM in "Detect" state before disabling it
MAINTAINERS: Add Lucas Stach as co-maintainer for i.MX6 PCI driver
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git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"This is a set of three fixes.
One represents a nasty shared tag map regression (another inverted
condition) caused by recent SCSI MQ patches, one is a longstanding
potential buffer overrun in the iscsi data buffer and the final one is
a use after free for the rare bidirectional commands"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
[SCSI] fix for bidi use after free
[SCSI] fix regression that accidentally disabled block-based tcq
[SCSI] libiscsi: fix potential buffer overrun in __iscsi_conn_send_pdu
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf fixes from Ingo Molnar:
"Two kernel side fixes: a kprobes fix and a perf_remove_from_context()
fix (which does not yet fix the migration bug which is WIP)"
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf: Fix a race condition in perf_remove_from_context()
kprobes/x86: Free 'optinsn' cache when range check fails
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This particular reference count is not needed with the rcu protection,
and the current code leaks a reference count, causing a hang in
qib_qp_destroy().
Cc: <stable@vger.kernel.org>
Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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There are two queries for port attributes one after another. A second
call is not needed since port_attr structure already holds the data.
Reviewed-by: Ira Weiny <ira.weiny@intel.com>
Signed-off-by: Alex Estrin <alex.estrin@intel.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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This reverts commit 1820ffdccb9b ("PCI: Make sure bus number resources stay
within their parents bounds") because it breaks some systems with LSI Logic
FC949ES Fibre Channel Adapters, apparently by exposing a defect in those
adapters.
Dirk tested a Tyan VX50 (B4985) with this device that worked like this
prior to 1820ffdccb9b:
bus: [bus 00-7f] on node 0 link 1
ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-07])
pci 0000:00:0e.0: PCI bridge to [bus 0a]
pci_bus 0000:0a: busn_res: can not insert [bus 0a] under [bus 00-07] (conflicts with (null) [bus 00-07])
pci 0000:0a:00.0: [1000:0646] type 00 class 0x0c0400 (FC adapter)
Note that the root bridge [bus 00-07] aperture is wrong; this is a BIOS
defect in the PCI0 _CRS method. But prior to 1820ffdccb9b, we didn't
enforce that aperture, and the FC adapter worked fine at 0a:00.0.
After 1820ffdccb9b, we notice that 00:0e.0's aperture is not contained in
the root bridge's aperture, so we reconfigure it so it *is* contained:
pci 0000:00:0e.0: bridge configuration invalid ([bus 0a-0a]), reconfiguring
pci 0000:00:0e.0: PCI bridge to [bus 06-07]
This effectively moves the FC device from 0a:00.0 to 07:00.0, which should
be legal. But when we enumerate bus 06, the FC device doesn't respond, so
we don't find anything. This is probably a defect in the FC device.
Possible fixes (due to Yinghai):
1) Add a quirk to fix the _CRS information based on what amd_bus.c read
from the hardware
2) Reset the FC device after we change its bus number
3) Revert 1820ffdccb9b
Fix 1 would be relatively easy, but it does sweep the LSI FC issue under
the rug. We might want to reconfigure bus numbers in the future for some
other reason, e.g., hotplug, and then we could trip over this again.
For that reason, I like fix 2, but we don't know whether it actually works,
and we don't have a patch for it yet.
This revert is fix 3, which also sweeps the LSI FC issue under the rug.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=84281
Reported-by: Dirk Gouders <dirk@gouders.net>
Tested-by: Dirk Gouders <dirk@gouders.net>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
CC: stable@vger.kernel.org # v3.15+
CC: Yinghai Lu <yinghai@kernel.org>
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According to <http://marc.info/?t=138347640900004&r=1&w=2>, revision
A0 of Connect-X does not correctly assemble TSO packets. Disable that
feature on that hardware revision.
Signed-off-by: Roland Dreier <roland@purestorage.com>
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The static helper routine, __qib_get_user_pages(), accepts a vma arg,
but current use always passes NULL.
This has caused some confusion associated with the correct use of this
argument, but since the current use case doesn't require the
flexiblity, the best thing to do is to simplfy the code to always pass
NULL to get_user_pages().
Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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The static helper routine, __ipath_get_user_pages(), accepts a vma
arg, but current use always passes NULL.
This has caused some confusion associated with the correct use of this
argument, but since the current use case doesn't require the
flexiblity, the best thing to do is to simplfy the code to always pass
NULL to get_user_pages().
Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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This reverts commit fc1b253141b3 ("PCI: Don't scan random busses in
pci_scan_bridge()") because it breaks CardBus on some machines.
David tested a Dell Latitude D505 that worked like this prior to
fc1b253141b3:
pci 0000:00:1e.0: PCI bridge to [bus 01]
pci 0000:01:01.0: CardBus bridge to [bus 02-05]
Note that the 01:01.0 CardBus bridge has a bus number aperture of
[bus 02-05], but those buses are all outside the 00:1e.0 PCI bridge bus
number aperture, so accesses to buses 02-05 never reach CardBus. This is
later patched up by yenta_fixup_parent_bridge(), which changes the
subordinate bus number of the 00:1e.0 PCI bridge:
pci_bus 0000:01: Raising subordinate bus# of parent bus (#01) from #01 to #05
With fc1b253141b3, pci_scan_bridge() fails immediately when it notices that
we can't allocate a valid secondary bus number for the CardBus bridge, and
CardBus doesn't work at all:
pci 0000:01:01.0: can't allocate child bus 01 from [bus 01]
I'd prefer to fix this by integrating the yenta_fixup_parent_bridge() logic
into pci_scan_bridge() so we fix the bus number apertures up front. But
I don't think we can do that before v3.17, so I'm going to revert this to
avoid the problem while we're working on the long-term fix.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=83441
Link: http://lkml.kernel.org/r/1409303414-5196-1-git-send-email-david.henningsson@canonical.com
Reported-by: David Henningsson <david.henningsson@canonical.com>
Tested-by: David Henningsson <david.henningsson@canonical.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
CC: stable@vger.kernel.org # v3.15+
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In debugging an application that receives -ENOMEM from ib_reg_mr(), I
found that ib_umem_get() can fail because the pinned_vm count has
wrapped causing it to always be larger than the lock limit even with
RLIMIT_MEMLOCK set to RLIM_INFINITY.
The wrapping of pinned_vm occurs because the process that calls
ib_reg_mr() will have its mm->pinned_vm count incremented. Later a
different process with a different mm_struct than the one that
allocated the ib_umem struct ends up releasing it which results in
decrementing the new processes mm->pinned_vm count past zero and
wrapping.
I'm not entirely sure what circumstances cause a different process to
release the ib_umem than the one that allocated it but the kernel
stack trace of the freeing process from my situation looks like the
following:
Call Trace:
[<ffffffff814d64b1>] dump_stack+0x19/0x1b
[<ffffffffa0b522a5>] ib_umem_release+0x1f5/0x200 [ib_core]
[<ffffffffa0b90681>] mlx4_ib_destroy_qp+0x241/0x440 [mlx4_ib]
[<ffffffffa0b4d93c>] ib_destroy_qp+0x12c/0x170 [ib_core]
[<ffffffffa0cc7129>] ib_uverbs_close+0x259/0x4e0 [ib_uverbs]
[<ffffffff81141cba>] __fput+0xba/0x240
[<ffffffff81141e4e>] ____fput+0xe/0x10
[<ffffffff81060894>] task_work_run+0xc4/0xe0
[<ffffffff810029e5>] do_notify_resume+0x95/0xa0
[<ffffffff814e3dd0>] int_signal+0x12/0x17
The following patch fixes the issue by storing the pid struct of the
process that calls ib_umem_get() so that ib_umem_release and/or
ib_umem_account() can properly decrement the pinned_vm count of the
correct mm_struct.
Signed-off-by: Shawn Bohrer <sbohrer@rgmadvisors.com>
Reviewed-by: Shachar Raindel <raindel@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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When ib_request_notify_cq() is called for the first time, ocrdma tries
to skip setting deffered_arm flag. This may lead CQ to an un-armed
state thus never generating a CQ event and leaving consumer hung.
This patch removes the part of code that skips setting deferred_arm.
Signed-off-by: Devesh Sharma <devesh.sharma@emulex.com>
Signed-off-by: Selvin Xavier <selvin.xavier@emulex.com>
Signed-off-by: Mitesh Ahuja <mitesh.ahuja@emulex.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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Fix ocrdma_query_device() to report correct value of max_fast_reg_page_list_len.
Signed-off-by: Devesh Sharma <devesh.sharma@emulex.com>
Signed-off-by: Selvin Xavier <selvin.xavier@emulex.com>
Signed-off-by: Mitesh Ahuja <mitesh.ahuja@emulex.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Ingo Molnar:
"Misc fixes:
EFI fixes, a build fix, a page table dumping (debug) fix and a clang
build fix"
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
efi/arm64: Fix fdt-related memory reservation
x86/mm: Apply the section attribute to the variable, not its type
x86/efi: Fixup GOT in all boot code paths
x86/efi: Only load initrd above 4g on second try
x86-64, ptdump: Mark espfix area only if existent
x86, irq: Fix build error caused by 9eabc99a635a77cbf09
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Pull MIPS fixes from Ralf Baechle:
"A fair number of build fixes for various configurations.
Fixes to BPF, and the BCM47xx platform code, a preemption fix for the
Loongson core, a syscall auditing fix, wire up the new getrandom and
memfd_create. Several patches for EVA"
* 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus: (30 commits)
MIPS: SmartMIPS: Disable assembler warnings
MIPS: Move CPU topology macros to topology.h
MIPS: Wire up new syscalls getrandom and memfd_create.
MIPS: Fix a warning for virt_to_page
arch/mips/net/bpf_jit.c: fix failure check
MIPS: COP2: CPP macro safety fixes.
MIPS: Kconfig: Select SMP symbols for CMP
MIPS: ZBOOT: add missing <linux/string.h> include
MIPS: IP28: Fix/clean spaces.h
MIPS: IP28: Select correct L1_CACHE_SHIFT
MIPS: BCM63xx: delete double assignment
MIPS: Spelling s/confugrations/configurations/
MIPS: OCTEON: make get_system_type() thread-safe
MIPS: CPS: Initialize EVA before bringing up VPEs from secondary cores
MIPS: Malta: EVA: Rename 'eva_entry' to 'platform_eva_init'
MIPS: EVA: Add new EVA header
MIPS: scall64-o32: Fix indirect syscall detection
MIPS: syscall: Fix AUDIT value for O32 processes on MIPS64
MIPS: Loongson: Fix COP2 usage for preemptible kernel
MIPS: NL: Fix nlm_xlp_defconfig build error
...
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When ending a bi-directionional SCSI request, blk_finish_request()
cleans up and frees the request, but scsi_release_bidi_buffers() tries
to indirect through the request to find it's data buffers. This causes
a panic due to a null pointer dereference.
Move the call to scsi_release_bidi_buffers() before the call to
blk_finish_request().
Signed-off-by: Daniel Gryniewicz <dang@linuxbox.com>
Reviewed-by: Webb Scales <webbnh@hp.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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The scsi blk-mq support accidentally flipped a conditional, which lead to
never enabling block based tcq when using the legacy request path.
Fixes: d285203cf647d7c9 scsi: add support for a blk-mq based I/O path.
Reported-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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This patches fixes a potential buffer overrun in __iscsi_conn_send_pdu.
This function is used by iscsi drivers and userspace to send iscsi PDUs/
commands. For login commands, we have a set buffer size. For all other
commands we do not support data buffers.
This was reported by Dan Carpenter here:
http://www.spinics.net/lists/linux-scsi/msg66838.html
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Reviewed-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Cc: stable@vger.kernel.org
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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Lemote A1004 is already added in commit a2dd933d01f (ALSA: hda - Add
fixup name lookup for CX5051 and 5066 codecs), but Lemote A1205 has
missing.
Signed-off-by: Huacai Chen <chenhc@lemote.com>
Cc: <stable@vger.kernel.org> # 3.15+
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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* pci/vga:
vgaarb: Drop obsolete #ifndef
vgaarb: Don't default exclusively to first video device with mem+io
* commit '6a73336bde29':
PCI: Remove "no hotplug settings from platform" warning
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Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=83996
Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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git://anongit.freedesktop.org/drm-intel into drm-fixes
couple of display fixes.
* tag 'drm-intel-fixes-2014-09-18' of git://anongit.freedesktop.org/drm-intel:
drm/i915: Add limited color range readout for HDMI/DP ports on g4x/vlv/chv
drm/i915: Fix SRC_COPY width on 830/845g
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