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Merge tag 'rxrpc-rewrite-20170105' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs
David Howells says:
====================
rxrpc: Update tracing and proc interfaces
This set of patches fixes and extends tracing:
(1) Fix the handling of enum-to-string translations so that external
tracing tools can make use of it by using TRACE_DEFINE_ENUM.
(2) Extend a couple of tracepoints to export some extra available
information and add three new tracepoints to allow monitoring of
received DATA packets, call disconnection and improper/implicit call
termination.
and adds a bit more procfs-exported information:
(3) Show a call's hard-ACK cursors in /proc/net/rxrpc_calls.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Since there can be multiple dsa switches stacked together but
not all of devicetree nodes available at the time of calling
dsa_dst_parse(), EPROBE_DEFER can be returned by it. When this
happens, only the last dsa switch has to be deleted by
dsa_dst_del_ds(), but not the whole list, because next time linux
cames back to this function it will try to add only the last dsa
switch which returned EPROBE_DEFER.
Signed-off-by: Volodymyr Bendiuga <volodymyr.bendiuga@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
This chip needs MV88E6XXX_FLAG_G2_INT
Signed-off-by: Volodymyr Bendiuga <volodymyr.bendiuga@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
xemaclite_remove_ndev() is a simple wrapper around free_netdev()
checking for NULL before the call. All possible paths calling
it are guaranteed to pass a non-NULL argument, so rather call
free_netdev() directly.
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
The io_region_size and dma_alloc members of struct ethoc are only
written but never read, so they might as well be removed.
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
Show a call's hard-ACK cursors in /proc/net/rxrpc_calls so that a call's
progress can be more easily monitored.
Signed-off-by: David Howells <dhowells@redhat.com>
Add the following extra tracing information:
(1) Modify the rxrpc_transmit tracepoint to record the Tx window size as
this is varied by the slow-start algorithm.
(2) Modify the rxrpc_rx_ack tracepoint to record more information from
received ACK packets.
(3) Add an rxrpc_rx_data tracepoint to record the information in DATA
packets.
(4) Add an rxrpc_disconnect_call tracepoint to record call disconnection,
including the reason the call was disconnected.
(5) Add an rxrpc_improper_term tracepoint to record implicit termination
of a call by a client either by starting a new call on a particular
connection channel without first transmitting the final ACK for the
previous call.
Signed-off-by: David Howells <dhowells@redhat.com>
Fix the way enum values are translated into strings in AF_RXRPC
tracepoints. The problem with just doing a lookup in a normal flat array
of strings or chars is that external tracing infrastructure can't find it.
Rather, TRACE_DEFINE_ENUM must be used.
Also sort the enums and string tables to make it easier to keep them in
order so that a future patch to __print_symbolic() can be optimised to try
a direct lookup into the table first before iterating over it.
A couple of _proto() macro calls are removed because they refered to tables
that got moved to the tracing infrastructure. The relevant data can be
found by way of tracing.
Signed-off-by: David Howells <dhowells@redhat.com>
When TX timestamping is in use with TPACKET_V3's TX ring, then we'll
hit the BUG() in __packet_set_timestamp() when ring buffer slot is
returned to user space via tpacket_destruct_skb(). This is due to v3
being assumed as unreachable here, but since 7f953ab2ba ("af_packet:
TX_RING support for TPACKET_V3") it's not anymore. Fix it by filling
the timestamp back into the ring slot.
Fixes: 7f953ab2ba ("af_packet: TX_RING support for TPACKET_V3")
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Sowmini Varadhan <sowmini.varadhan@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
- Fixes for crashes and double-cleanup errors
- XFS maintainership handover
- Fix to prevent absurdly large block reservations
- Fix broken sysfs getter/setters
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Merge tag 'xfs-for-linus-4.10-rc3' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux
Pull xfs fixes from Darrick Wong:
- fixes for crashes and double-cleanup errors
- XFS maintainership handover
- fix to prevent absurdly large block reservations
- fix broken sysfs getter/setters
* tag 'xfs-for-linus-4.10-rc3' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
xfs: fix max_retries _show and _store functions
xfs: update MAINTAINERS
xfs: fix crash and data corruption due to removal of busy COW extents
xfs: use the actual AG length when reserving blocks
xfs: fix double-cleanup when CUI recovery fails
Pull networking fixes from David Miller:
1) stmmac_drv_probe() can race with stmmac_open() because we register
the netdevice too early. Fix from Florian Fainelli.
2) UFO handling in __ip6_append_data() and ip6_finish_output() use
different tests for deciding whether a frame will be fragmented or
not, put them in sync. Fix from Zheng Li.
3) The rtnetlink getstats handlers need to validate that the netlink
request is large enough, fix from Mathias Krause.
4) Use after free in mlx4 driver, from Jack Morgenstein.
5) Fix setting of garbage UID value in sockets during setattr() calls,
from Eric Biggers.
6) Packet drop_monitor doesn't format the netlink messages properly
such that nlmsg_next fails to work, fix from Reiter Wolfgang.
7) Fix handling of wildcard addresses in l2tp lookups, from Guillaume
Nault.
8) __skb_flow_dissect() can crash on pptp packets, from Ian Kumlien.
9) IGMP code doesn't reset group query timers properly, from Michal
Tesar.
10) Fix overzealous MAIN/LOCAL route table combining in ipv4, from
Alexander Duyck.
11) vxlan offload check needs to be more strict in be2net driver, from
Sabrina Dubroca.
12) Moving l3mdev to packet hooks lost RX stat counters unintentionally,
fix from David Ahern.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (52 commits)
sh_eth: enable RX descriptor word 0 shift on SH7734
sfc: don't report RX hash keys to ethtool when RSS wasn't enabled
dpaa_eth: Initialize CGR structure before init
dpaa_eth: cleanup after init_phy() failure
net: systemport: Pad packet before inserting TSB
net: systemport: Utilize skb_put_padto()
LiquidIO VF: s/select/imply/ for PTP_1588_CLOCK
libcxgb: fix error check for ip6_route_output()
net: usb: asix_devices: add .reset_resume for USB PM
net: vrf: Add missing Rx counters
drop_monitor: consider inserted data in genlmsg_end
benet: stricter vxlan offloading check in be_features_check
ipv4: Do not allow MAIN to be alias for new LOCAL w/ custom rules
net: macb: Updated resource allocation function calls to new version of API.
net: stmmac: dwmac-oxnas: use generic pm implementation
net: stmmac: dwmac-oxnas: fix fixed-link-phydev leaks
net: stmmac: dwmac-oxnas: fix of-node leak
Documentation/networking: fix typo in mpls-sysctl
igmp: Make igmp group member RFC 3376 compliant
flow_dissector: Update pptp handling to avoid null pointer deref.
...
Lookup in the ATU can be performed starting from a given MAC
address. This is faster than starting with the first possible MAC
address and iterating all entries.
Entries are returned in numeric order. So if the MAC address returned
is bigger than what we are searching for, we know it is not in the
ATU.
Using the benchmark provided by Volodymyr Bendiuga
<volodymyr.bendiuga@gmail.com>,
https://www.spinics.net/lists/netdev/msg411550.html
on an Marvell Armada 370 RD, the test to add a number of static fdb
entries went from 1.616531 seconds to 0.312052 seconds.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
The RX descriptor word 0 on SH7734 has the RFS[9:0] field in bits 16-25
(bits 0-15 usually used for that are occupied by the packet checksum).
Thus we need to set the 'shift_rd0' field in the SH7734 SoC data...
Fixes: f0e81fecd4 ("net: sh_eth: Add support SH7734")
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
If we failed to set up RSS on EF10 (e.g. because firmware declared
RX_RSS_LIMITED), ethtool --show-nfc $dev rx-flow-hash ... should report
no fields, rather than confusingly reporting what fields we _would_ be
hashing on if RSS was working.
Fixes: dcb4123cbe ("sfc: disable RSS when unsupported")
Signed-off-by: Edward Cree <ecree@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
t6fw-1.15.15.0 enabled compressed error vector in cpl_rx_pkt for T6.
Updating driver to take care of these changes.
Signed-off-by: Santosh Rastapur <santosh@chelsio.com>
Signed-off-by: Arjun V <arjun@chelsio.com>
Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com>
Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Sergei Shtylyov says:
====================
sh_eth: E-MAC interrupt handler cleanups
Here's a set of 3 patches against DaveM's 'net-next.git' repo. I'm cleaning
up the E-MAC interrupt handling with the main goal of factoring out the E-MAC
interrupt handler into a separate function.
[1/3] sh_eth: handle only enabled E-MAC interrupts
[2/3] sh_eth: no need for *else* after *goto*
[3/3] sh_eth: factor out sh_eth_emac_interrupt()
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
The E-MAC interrupt (EESR.ECI) is not always caused by an error condition,
so it really shouldn't be handled by sh_eth_error(). Factor out the E-MAC
interrupt handler, sh_eth_emac_interrupt(), removing the ECI bit from the
EESR's values throughout the driver...
Update Cogent Embedded's copyright and clean up the whitespace in Renesas'
copyright, while at it...
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Well, checkpatch.pl complains about *else* after *return* and *break* but
not after *goto*... and it probably should have complained about the code
in sh_eth_error(). Win couple LoCs by removing that *else*. :-)
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The driver should only handle the enabled E-MAC interrupts, like it does
for the E-DMAC interrupts since commit 3893b27345 ("sh_eth: workaround
for spurious ECI interrupt"), so mask ECSR with ECSIPR when reading it
in sh_eth_error().
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Madalin Bucur says:
====================
dpaa_eth: a couple of fixes
Add cleanup on PHY initialization failure path, avoid using
uninitialized memory at CGR init.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
The QBMan CGR options needs to be zeroed before calling the init
function
Signed-off-by: Roy Pledge <roy.pledge@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Florian Fainelli says:
====================
net: systemport: Fix padding vs. TSB insertion
This patch series fixes how we pad the packets submitted to the SYSTEMPORT
adapter, and how the transmit status block (prepended 8 bytes) fits in the
picture. The first patch is not technically a bug fix, but is required for the
second path to be applied and to greatly simplify the skb length calculation.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Inserting the TSB means adding an extra 8 bytes in front the of packet
that is going to be used as metadata information by the TDMA engine, but
stripped off, so it does not really help with the packet padding.
For some odd packet sizes that fall below the 60 bytes payload (e.g: ARP)
we can end-up padding them after the TSB insertion, thus making them 64
bytes, but with the TDMA stripping off the first 8 bytes, they could
still be smaller than 64 bytes which is required to ingress the switch.
Fix this by swapping the padding and TSB insertion, guaranteeing that
the packets have the right sizes.
Fixes: 80105befdb ("net: systemport: add Broadcom SYSTEMPORT Ethernet MAC driver")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Since we need to pad our packets, utilize skb_put_padto() which
increases skb->len by how much we need to pad, allowing us to eliminate
the test on skb->len right below.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
IPvlan setup uses one mac-address (of master). The IPv6 link-local
addresses are derived using the mac-address on the link. Lack of
dev-ids makes these link-local addresses same for all slaves including
that of master device. dev-ids are necessary to add differentiation
when L2 address is shared.
Signed-off-by: Mahesh Bandewar <maheshb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The "out" label in dsa_switch_setup_one() is useless, thus remove it.
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
liquidio driver incorrectly indicates that PTP is supported in 23XX
adapters; this patch fixes that. PTP is supported in 66XX and 68XX
adapters, and the driver correctly indicates that.
Signed-off-by: Prasad Kanneganti <prasad.kanneganti@cavium.com>
Signed-off-by: Felix Manlunas <felix.manlunas@cavium.com>
Signed-off-by: Derek Chickles <derek.chickles@cavium.com>
Signed-off-by: Satanand Burla <satananda.burla@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Fix a minor fallout from the merge of the timers and the networking
trees. The following error may result if the PTP_1588_CLOCK
prerequisites are not available:
drivers/built-in.o: In function `ptp_clock_unregister':
(.text+0x40e0a5): undefined reference to `pps_unregister_source'
drivers/built-in.o: In function `ptp_clock_unregister':
(.text+0x40e0cc): undefined reference to `posix_clock_unregister'
drivers/built-in.o: In function `ptp_clock_event':
(.text+0x40e249): undefined reference to `pps_event'
drivers/built-in.o: In function `ptp_clock_register':
(.text+0x40e5e1): undefined reference to `pps_register_source'
drivers/built-in.o: In function `ptp_clock_register':
(.text+0x40e62c): undefined reference to `posix_clock_register'
drivers/built-in.o: In function `ptp_clock_register':
(.text+0x40e68d): undefined reference to `pps_unregister_source'
Signed-off-by: Nicolas Pitre <nico@linaro.org>
Acked-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
ip6_route_output() never returns NULL so
check dst->error instead of !dst.
Signed-off-by: Varun Prakash <varun@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
It must always be the case that CMSG_ALIGN(sizeof(hdr)) == sizeof(hdr).
Otherwise there are missing adjustments in the various calculations
that parse and build these things.
Signed-off-by: David S. Miller <davem@davemloft.net>
sizeof(struct cmsghdr) and sizeof(struct compat_cmsghdr) already aligned.
remove use CMSG_ALIGN(sizeof(struct cmsghdr)) and
CMSG_COMPAT_ALIGN(sizeof(struct compat_cmsghdr)) keep code consistent.
Signed-off-by: yuan linyu <Linyu.Yuan@alcatel-sbell.com.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
The USB core may call reset_resume when it fails to resume asix device.
And USB core can recovery this abnormal resume at low level driver,
the same .resume at asix driver can work too. Add .reset_resume can
avoid disconnecting after backing from system resume, and NFS can
still be mounted after this commit.
Signed-off-by: Peter Chen <peter.chen@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Pull block layer fixes from Jens Axboe:
"A set of fixes for the current series, one fixing a regression with
block size < page cache size in the alias series from Jan. Outside of
that, two small cleanups for wbt from Bart, a nvme pull request from
Christoph, and a few small fixes of documentation updates"
* 'for-linus' of git://git.kernel.dk/linux-block:
block: fix up io_poll documentation
block: Avoid that sparse complains about context imbalance in __wbt_wait()
block: Make wbt_wait() definition consistent with declaration
clean_bdev_aliases: Prevent cleaning blocks that are not in block range
genhd: remove dead and duplicated scsi code
block: add back plugging in __blkdev_direct_IO
nvmet/fcloop: remove some logically dead code performing redundant ret checks
nvmet: fix KATO offset in Set Features
nvme/fc: simplify error handling of nvme_fc_create_hw_io_queues
nvme/fc: correct some printk information
nvme/scsi: Remove START STOP emulation
nvme/pci: Delete misleading queue-wrap comment
nvme/pci: Fix whitespace problem
nvme: simplify stripe quirk
nvme: update maintainers information
- Update gcc-common.h for gcc 7 from Emese Revfy.
- Fix latent_entropy type for early gcc on ARM from PaX Team.
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Merge tag 'gcc-plugins-v4.10-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux
Pull gcc-plugins fixes from Kees Cook:
"Small fixes for gcc-plugins when using certain gcc versions:
- update gcc-common.h for gcc 7 (Emese Revfy)
- fix latent_entropy type for early gcc on ARM (PaX Team)"
* tag 'gcc-plugins-v4.10-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
gcc-plugins: update gcc-common.h for gcc-7
latent_entropy: fix ARM build error on earlier gcc
Here, If devm_ioremap will fail. It will return NULL.
Kernel can run into a NULL-pointer dereference.
This error check will avoid NULL pointer dereference.
Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Acked-by: Yoichi Yuasa <yuasa@linux-mips.org>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
I would like to help with fbdev maintenance. I can dedicate some time
for reviewing and handling patches but won't have time for much more.
The subsystem will remain in maintenance mode (no new drivers will be
added to it).
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Cc: Daniel Vetter <daniel.vetter@intel.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
max_retries _show and _store functions should test against cfg->max_retries,
not cfg->retry_timeout
Signed-off-by: Carlos Maiolino <cmaiolino@redhat.com>
Reviewed-by: Eric Sandeen <sandeen@redhat.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
There is a race window between write_cache_pages calling
clear_page_dirty_for_io and XFS calling set_page_writeback, in which
the mapping for an inode is tagged neither as dirty, nor as writeback.
If the COW shrinker hits in exactly that window we'll remove the delayed
COW extents and writepages trying to write it back, which in release
kernels will manifest as corruption of the bmap btree, and in debug
kernels will trip the ASSERT about now calling xfs_bmapi_write with the
COWFORK flag for holes. A complex customer load manages to hit this
window fairly reliably, probably by always having COW writeback in flight
while the cow shrinker runs.
This patch adds another check for having the I_DIRTY_PAGES flag set,
which is still set during this race window. While this fixes the problem
I'm still not overly happy about the way the COW shrinker works as it
still seems a bit fragile.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
We need to use the actual AG length when making per-AG reservations,
since we could otherwise end up reserving more blocks out of the last
AG than there are actual blocks.
Complained-about-by: Brian Foster <bfoster@redhat.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Dan Carpenter reported a double-free of rcur if _defer_finish fails
while we're recovering CUI items. Fix the error recovery to prevent
this.
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Fix several error paths in matchall:
- Release reference to actions in case the hardware fails offloading
(relevant to skip_sw only)
- Fix error path in case tcf_exts initialization/validation fail
Fixes: bf3994d2ed ("net/sched: introduce Match-all classifier")
Signed-off-by: Yotam Gigi <yotamg@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The move from rx-handler to L3 receive handler inadvertantly dropped the
rx counters. Restore them.
Fixes: 74b20582ac ("net: l3mdev: Add hook in ip and ipv6")
Reported-by: Dinesh Dutt <ddutt@cumulusnetworks.com>
Signed-off-by: David Ahern <dsa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Jeff Kirsher says:
====================
10GbE Intel Wired LAN Driver Updates 2017-01-03
This series contains updates to ixgbe and ixgbevf only.
Emil fixes ixgbe to use the NVM settings for FEC, so do not override the
settings. Fixed the indirection table for x550, where newer devices can
support up to 64 RSS queues. Extends the rtnl_lock() to protect the call
to netif_device_detach() and ixgbe_clear_interrupt_scheme() to avoid
against a double free WARN and/or a BUG in free_msi_irqs(). Fixed AER
error handling by making sure that the driver frees the IRQs in
ixgbe_io_error_detected() when responding to a PCIe AER error, and to
restore them when the interface recovers.
Tony updates the driver to report the driver version to the firmware using
the host interface command for x550 devices. Fixed the PHY reset check
for x550em_ext_t PHY type. Fixed bounds checking for x540 devices to
ensure the index is valid for the LED function. Fixed the BaseT adapters
which support 100Mb capability and were not reporting the capability.
Ken Cox adds a missing check for the trusted bit before trying to set the
MACVLAN MAC address.
Yusuke Suzuki fixes an issue with 82599 and x540 devices where receive
timestamps were not working becase the bitwise operation for RX_HWSTAMP
falg was incorrect.
Don ensures that x553 KR/KX devices correctly advertise link speeds.
Adds the mailbox message to allow for VF promiscuous mode support.
Mark fixes two issues with EEPROM access, where the semaphore was not
being held until the entire response was read and the acquiring/releasing
of the semaphore is slow. Cleaned up firmware version method and
functions which are no longer used. Added new interfaces for firmware
commands to access some new PHYs.
v2: fixed tab indentation in patch 12 and mis-spelled words in patch 15
based on feedback from Sergei Shtylyov and Rami Rosen.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch extends the xcast mailbox message to include support for
unicast promiscuous mode. To allow a VF to enter this mode the PF
must be in promiscuous mode.
A later patch will add the support needed in the VF driver (ixgbevf)
Signed-off-by: Don Skidmore <donald.c.skidmore@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This patch extends the mailbox message to allow for VF promiscuous
mode support.
Signed-off-by: Don Skidmore <donald.c.skidmore@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
David S. Miller