The netlink API lets users create unmanaged L2TPv3 tunnels using
iproute2. Until now, a request to create an unmanaged L2TPv3 IP
encapsulation tunnel over IPv6 would be rejected with
EPROTONOSUPPORT. Now that l2tp_ip6 implements sockets for L2TP IP
encapsulation over IPv6, we can add support for that tunnel type.
Signed-off-by: James Chapman <jchapman@katalix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
L2TPv3 defines an IP encapsulation packet format where data is carried
directly over IP (no UDP). The kernel already has support for L2TP IP
encapsulation over IPv4 (l2tp_ip). This patch introduces support for
L2TP IP encapsulation over IPv6.
The implementation is derived from ipv6/raw and ipv4/l2tp_ip.
Signed-off-by: Chris Elston <celston@katalix.com>
Signed-off-by: James Chapman <jchapman@katalix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
For implementing other protocols on top of IPv6, such as L2TPv3's IP
encapsulation over ipv6, we'd like to call some IPv6 functions which
are not currently exported. This patch exports them.
Signed-off-by: Chris Elston <celston@katalix.com>
Signed-off-by: James Chapman <jchapman@katalix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch adds support for unmanaged L2TPv3 tunnels over IPv6 using
the netlink API. We already support unmanaged L2TPv3 tunnels over
IPv4. A patch to iproute2 to make use of this feature will be
submitted separately.
Signed-off-by: Chris Elston <celston@katalix.com>
Signed-off-by: James Chapman <jchapman@katalix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
If an L2TP tunnel uses IPv6, make sure the l2tp debugfs file shows the
IPv6 address correctly.
Signed-off-by: Chris Elston <celston@katalix.com>
Signed-off-by: James Chapman <jchapman@katalix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Userspace uses connect() to associate a pppol2tp socket with a tunnel
socket. This needs to allow the caller to supply the new IPv6
sockaddr_pppol2tp structures if IPv6 is used.
Signed-off-by: James Chapman <jchapman@katalix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Checkpatch warns about the use of __attribute__((packed)). So use the
recommended __packed syntax instead.
Signed-off-by: James Chapman <jchapman@katalix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The l2tp_ip socket currently maintains packet/byte stats in its
private socket structure. But these counters aren't exposed to
userspace and so serve no purpose. The counters were also
smp-unsafe. So this patch just gets rid of the stats.
While here, change a couple of internal __u32 variables to u32.
Signed-off-by: James Chapman <jchapman@katalix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Cleanup the l2tp_ip code to make use of an existing ipv4 support function.
Signed-off-by: James Chapman <jchapman@katalix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
L2TP uses 64-bit counters but since these are not updated atomically,
we need to make them safe for smp. This patch addresses that.
Signed-off-by: James Chapman <jchapman@katalix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The change to let individual tests decide to reboot the machine on
success of the entire test also prevented errors from rebooting
when an error was detected.
The "no_reboot" variable was only cleared if the test had
reboot_on_success set. But the no_reboot variable also prevents the test
rebooting when an error was detected even when REBOOT_ON_ERROR was set.
Add a new "reboot_success" variable that is used to determine if the
test should reboot on success and not touch the no_reboot variable.
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
When BISECT_REVERSE and BISECT_SKIP are used together with boot or test
testing, build failures are treated as boot or test failures and
'git bisect bad' is executed instead of 'git bisect skip'. This is because
the $ret value of -1 is treated as a build failure, but the $reverse_bisect
logic does not properly handle this.
Simple fix, only invert it if it is positive.
Link: http://lkml.kernel.org/r/1335235380-8509-1-git-send-email-Russ.Dill@ti.com
Signed-off-by: Russ Dill <Russ.Dill@ti.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
* 'drm-nouveau-fixes' of git://git.freedesktop.org/git/nouveau/linux-2.6:
drm/nv10/gpio: fix thinko in mask for gpio lines 2-9
nvc0/fb: shut up PMFB interrupt after the first occurrence
drm/nouveau/hdmi: use correct hdmi regs for nvaa/nvac
drm/nouveau/bios: fix regression on some nv4x board
'ARM: OMAP3: USB: Fix the EHCI ULPI PHY reset issue' removes the include for
linux/gpio.h from omap-usb-host.c. This include indirectly includes plat/cpu.h
which is required by omap-usb-host.c. Fix the build breakage by including
it directly.
Acked-by: Keshava Munegowda <keshava_mgowda@ti.com>
Acked-by: Kevin Hilman <khilman@ti.com>
Tested-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Russ Dill <Russ.Dill@ti.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
The driver calls cxgb_vlan_mode() from init_one(). This calls into
synchronize_rx(), which locks all the q locks, but the q locks are not
initialized until cxgb_up() -> setup_sge_qsets(). So move the call to
cxgb_vlan_mode() into cxgb_up(), after the call to setup_sge_qsets().
We also move the body of these functions up higher to avoid having to
a forward declaration.
This was found because of the lockdep warning:
INFO: trying to register non-static key.
the code is fine but needs lockdep annotation.
turning off the locking correctness validator.
Pid: 323, comm: work_for_cpu Not tainted 3.4.0-rc5 #28
Call Trace:
[<ffffffff8106e767>] register_lock_class+0x108/0x2d0
[<ffffffff8106ff42>] __lock_acquire+0xd3/0xd06
[<ffffffff81070fd0>] lock_acquire+0xbf/0xfe
[<ffffffff813862a6>] _raw_spin_lock_irq+0x36/0x45
[<ffffffffa01e71aa>] cxgb_vlan_mode+0x96/0xcb [cxgb3]
[<ffffffffa01f90eb>] init_one+0x8c4/0x980 [cxgb3]
[<ffffffff811fcbf0>] local_pci_probe+0x3f/0x70
[<ffffffff81042206>] do_work_for_cpu+0x10/0x22
[<ffffffff810482de>] kthread+0xa1/0xa9
[<ffffffff8138e234>] kernel_thread_helper+0x4/0x10
Contrary to what lockdep says, the code is not fine: we are locking an
uninitialized spinlock.
Signed-off-by: Roland Dreier <roland@purestorage.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
With the support to bounce buffer added, the skb is coming as nonlinear in the
case of non-DDPed data frames for FCoE, which is mostly ok as the FCoE stack
would take care of that. However, for target mode, we have to set the FC CRC
and FC EOF field to allow the protocol stack to not drop the frame for the last
data frame of that sequence. So fix this by linearizing the skb first before
doing skb_put().
Signed-off-by: Yi Zou <yi.zou@intel.com>
Tested-by: Marcus Dennis <marcusx.e.dennis@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
The driver was freeing memory in shutdown instead of remove. As a result
we were leaking memory if IEEE DCB was enabled and we loaded/unloaded the
driver. This change moves the freeing of the memory into the remove
routine where it belongs.
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Acked-by: John Fastabend <john.r.fastabend@intel.com>
Tested-by: Ross Brattain <ross.b.brattain@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Maybe it's a typo, but it cause that igbvf can't be initialized successfully.
Set perm_addr value using valid dev_addr, although which is equal to hw.mac.addr.
Signed-off-by: Samuel Liao <samuelliao@tencent.com>
Signed-off-by: Shan Wei <davidshan@tencent.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This patch sets the automatic speed and duplex detection bits
in MAC_CR to enable the mac to determine its speed automatically
from the phy.
Note this must be done BEFORE the receiver or transmitter is
enabled.
Signed-off-by: Stephane Fillod <fillods@users.sf.net>
Signed-off-by: Steve Glendinning <steve.glendinning@shawell.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
also explicitly set the phy to advertise 1000 speeds
Signed-off-by: Stephane Fillod <fillods@users.sf.net>
Signed-off-by: Steve Glendinning <steve.glendinning@shawell.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
smsc75xx phy interrupt acknowledge needs an mdio_write to clear
PHY_INT_SRC instead of just a read like in smsc95xx.
Signed-off-by: Stephane Fillod <fillods@users.sf.net>
Signed-off-by: Steve Glendinning <steve.glendinning@shawell.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
fix bug in phy_init loop that was ignoring BMCR reset bit, akin to smsc95xx's d946092000
Signed-off-by: Stephane Fillod <fillods@users.sf.net>
Signed-off-by: Steve Glendinning <steve.glendinning@shawell.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Stephane Fillod <fillods@users.sf.net>
Signed-off-by: Steve Glendinning <steve.glendinning@shawell.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
smsc75xx needs MII_ACCESS_BUSY to be set to correctly trigger mdio I/O. Note smsc75xx is different from smsc95xx in this regard.
Signed-off-by: Stephane Fillod <fillods@users.sf.net>
Signed-off-by: Steve Glendinning <steve.glendinning@shawell.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch fixes the same issue as reported on smsc95xx, where the
usb device is connected with no ethernet cable plugged-in.
Without this patch sysfs reports the cable as present
flag@flag-desktop:~$ cat /sys/class/net/eth0/carrier
1
while it's not:
flag@flag-desktop:~$ sudo mii-tool eth0
eth0: no link
Signed-off-by: Steve Glendinning <steve.glendinning@shawell.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
PHY polling code for FPGA is considered in every MDIO R/W API.
no need to add additional code to atl1c_change_mtu.
Signed-off-by: xiong <xiong@qca.qualcomm.com>
Tested-by: David Liu <dwliu@qca.qaulcomm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
L0S might be unstable if no cable link, only enable it when link up.
Signed-off-by: xiong <xiong@qca.qualcomm.com>
Tested-by: Liu David <dwliu@qca.qualcomm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
There may be tx-skbs still pending in HW when PHY link down.
Reset MAC will make the DMA engine go to the start point.
and release all pending skbs.
Note: Reset MAC will clear any interrupt status and mask.
Signed-off-by: xiong <xiong@qca.qualcomm.com>
Tested-by: Liu David <dwliu@qca.qualcomm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
common_task might be running while close routine is called,
wait/cancel it.
Signed-off-by: xiong <xiong@qca.qualcomm.com>
Tested-by: Liu David <dwliu@qca.qualcomm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The hardware incorrectly process L0S/L1 entrance if the chipset/root
response after specific/shorter timer and cause system hang.
Enlarge the timeout value to avoid this issue.
Signed-off-by: xiong <xiong@qca.qualcomm.com>
Tested-by: Liu David <dwliu@qca.qualcomm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
On some platform with EEPROM/OTP existing, the BIOS could overwrite
a new MAC address for the NIC. so, the permanent mac address should
be from BIOS. the address is restored when driver removing.
Voltage raising isn't applicable for l1d.
Replace swab32 with htonl for big/little endian platform.
related Registers are refined as well.
Signed-off-by: xiong <xiong@qca.qualcomm.com>
Tested-by: Liu David <dwliu@qca.qualcomm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The Close-action is done by atl1c_reset_pcie, remove it from
atl1c_get_permanent_address.
Signed-off-by: xiong <xiong@qca.qualcomm.com>
Tested-by: Liu David <dwliu@qca.qualcomm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
WoL status is read-clear and should be cleared when in S0
status.
putting it in atl1c_reset_pcie is more suitable than
in atl1c_get_permanent_address.
Signed-off-by: xiong <xiong@qca.qualcomm.com>
Tested-by: Liu David <dwliu@qca.qualcomm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
On some platforms the PHY settings need to change depending on the
cable link status to get better stability.
Signed-off-by: xiong <xiong@qca.qualcomm.com>
Tested-by: Liu David <dwliu@qca.qualcomm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
All supported devices have one issue that msi interrupt doesn't assert
if pci command register bit (PCI_COMMAND_INTX_DISABLE) is set.
Add workaround in drivers/pci/quirks.c
Signed-off-by: xiong <xiong@qca.qualcomm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Before doing skb->head_frag work on bnx2x driver, I found too much stuff
was inlined in bnx2x/bnx2x_cmn.h for no good reason and made my work not
very easy.
Move some big functions out of this include file to the respective .c
file.
A lot of inline keywords are not needed at all in this huge driver.
text data bss dec hex filename
490083 1270 56 491409 77f91 bnx2x/bnx2x.ko.before
484206 1270 56 485532 7689c bnx2x/bnx2x.ko
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Eilon Greenstein <eilong@broadcom.com>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: Maciej Żenczykowski <maze@google.com>
Cc: Neal Cardwell <ncardwell@google.com>
Cc: Tom Herbert <therbert@google.com>
Cc: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Cc: Ben Hutchings <bhutchings@solarflare.com>
Cc: Matt Carlson <mcarlson@broadcom.com>
Cc: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The reset logic after a Rx FIFO overrun will clear the programmed
multicast addresses. This patch fixes the issue by reprogramming the
registers after the reset.
The commit eefc48b ("pch_gbe: reprogram multicast address register on
reset") tried to fix this problem, but it introduces unnecessary
codes. In fact, all multicast addresses have been saved in netdev->mc,
So we can call pch_gbe_set_multi() directly after reset_hw and
reset_rx.
This commit kills 50+ line codes
Cc: Richard Cochran <richardcochran@gmail.com>
Cc: Takahiro Shimizu <tshimizu818@gmail.com>
Signed-off-by: RongQing.Li <roy.qing.li@gmail.com>
Acked-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
__skb_splice_bits() can check if skb to be spliced has its skb->head
mapped to a page fragment, instead of a kmalloc() area.
If so we can avoid a copy of the skb head and get a reference on
underlying page.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: Maciej Żenczykowski <maze@google.com>
Cc: Neal Cardwell <ncardwell@google.com>
Cc: Tom Herbert <therbert@google.com>
Cc: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Cc: Ben Hutchings <bhutchings@solarflare.com>
Cc: Matt Carlson <mcarlson@broadcom.com>
Cc: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
TCP coalesce can check if skb to be merged has its skb->head mapped to a
page fragment, instead of a kmalloc() area.
We had to disable coalescing in this case, for performance reasons.
We 'upgrade' skb->head as a fragment in itself.
This reduces number of cache misses when user makes its copies, since a
less sk_buff are fetched.
This makes receive and ofo queues shorter and thus reduce cache line
misses in TCP stack.
This is a followup of patch "net: allow skb->head to be a page fragment"
Tested with tg3 nic, with GRO on or off. We can see "TCPRcvCoalesce"
counter being incremented.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: Maciej Żenczykowski <maze@google.com>
Cc: Neal Cardwell <ncardwell@google.com>
Cc: Tom Herbert <therbert@google.com>
Cc: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Cc: Ben Hutchings <bhutchings@solarflare.com>
Cc: Matt Carlson <mcarlson@broadcom.com>
Cc: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
GRO can check if skb to be merged has its skb->head mapped to a page
fragment, instead of a kmalloc() area.
We 'upgrade' skb->head as a fragment in itself
This avoids the frag_list fallback, and permits to build true GRO skb
(one sk_buff and up to 16 fragments), using less memory.
This reduces number of cache misses when user makes its copy, since a
single sk_buff is fetched.
This is a followup of patch "net: allow skb->head to be a page fragment"
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: Maciej Żenczykowski <maze@google.com>
Cc: Neal Cardwell <ncardwell@google.com>
Cc: Tom Herbert <therbert@google.com>
Cc: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Cc: Ben Hutchings <bhutchings@solarflare.com>
Cc: Matt Carlson <mcarlson@broadcom.com>
Cc: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch converts tg3 driver, one of our reference drivers, to use new
build_skb() api in frag mode.
Instead of using kmalloc() to allocate the memory block that will be
used by build_skb() as skb->head, we use a page fragment.
This is a followup of patch "net: allow skb->head to be a page fragment"
This allows GRO, TCP coalescing, and splice() to be more efficient.
Incidentally, this also removes SLUB slow path contention in kfree()
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: Maciej Żenczykowski <maze@google.com>
Cc: Neal Cardwell <ncardwell@google.com>
Cc: Tom Herbert <therbert@google.com>
Cc: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Cc: Ben Hutchings <bhutchings@solarflare.com>
Cc: Matt Carlson <mcarlson@broadcom.com>
Cc: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
skb->head is currently allocated from kmalloc(). This is convenient but
has the drawback the data cannot be converted to a page fragment if
needed.
We have three spots were it hurts :
1) GRO aggregation
When a linear skb must be appended to another skb, GRO uses the
frag_list fallback, very inefficient since we keep all struct sk_buff
around. So drivers enabling GRO but delivering linear skbs to network
stack aren't enabling full GRO power.
2) splice(socket -> pipe).
We must copy the linear part to a page fragment.
This kind of defeats splice() purpose (zero copy claim)
3) TCP coalescing.
Recently introduced, this permits to group several contiguous segments
into a single skb. This shortens queue lengths and save kernel memory,
and greatly reduce probabilities of TCP collapses. This coalescing
doesnt work on linear skbs (or we would need to copy data, this would be
too slow)
Given all these issues, the following patch introduces the possibility
of having skb->head be a fragment in itself. We use a new skb flag,
skb->head_frag to carry this information.
build_skb() is changed to accept a frag_size argument. Drivers willing
to provide a page fragment instead of kmalloc() data will set a non zero
value, set to the fragment size.
Then, on situations we need to convert the skb head to a frag in itself,
we can check if skb->head_frag is set and avoid the copies or various
fallbacks we have.
This means drivers currently using frags could be updated to avoid the
current skb->head allocation and reduce their memory footprint (aka skb
truesize). (thats 512 or 1024 bytes saved per skb). This also makes
bpf/netfilter faster since the 'first frag' will be part of skb linear
part, no need to copy data.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: Maciej Żenczykowski <maze@google.com>
Cc: Neal Cardwell <ncardwell@google.com>
Cc: Tom Herbert <therbert@google.com>
Cc: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Cc: Ben Hutchings <bhutchings@solarflare.com>
Cc: Matt Carlson <mcarlson@broadcom.com>
Cc: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Insert an skb_tx_timestamp call in both ndo_start_xmit routines
Tested to work for the nv_start_xmit_optimized case
Signed-off-by: Willem de Bruijn <willemb@google.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Willem de Bruijn <willemb@google.com>
Acked-by: Eilon Greenstein <eilong@broadcom.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Pull ARM fixes from Russell King.
* 'fixes' of git://git.linaro.org/people/rmk/linux-arm:
ARM: 7406/1: hotplug: copy the affinity mask when forcefully migrating IRQs
ARM: 7405/1: kexec: call platform_cpu_kill on the killer rather than the victim
ARM: 7403/1: tls: remove covert channel via TPIDRURW
ARM: 7401/1: mm: Fix section mismatches
ARM: OMAP: fix DMA vs memory ordering
ARM: 7390/1: dts: versatile-pb/ab fix MMC IRQs
ARM: 7400/1: vfp: clear fpscr length and stride bits on entry to sig handler
ARM: 7399/1: vfp: move user vfp state save/restore code out of signal.c
ARM: 7398/1: l2x0: only write to debug registers on PL310
ARM: 7397/1: l2x0: only apply workaround for erratum #753970 on PL310
ARM: 7396/1: errata: only handle ARM erratum #326103 on affected cores
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"This is a set of SAS and SATA fixes; there are one or two longstanding
bug fixes, but most of this is regression fixes."
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
[SCSI] libfc: update mfs boundry checking
[SCSI] Revert "[SCSI] libsas: fix sas port naming"
[SCSI] libsas: fix false positive 'device attached' conditions
[SCSI] libsas, libata: fix start of life for a sas ata_port
[SCSI] libsas: fix ata_eh clobbering ex_phys via smp_ata_check_ready
[SCSI] libsas: unify domain_device sas_rphy lifetimes
[SCSI] libsas: fix sas_get_port_device regression
[SCSI] libsas: fix sas_find_bcast_phy() in the presence of 'vacant' phys
[SCSI] libsas: introduce sas_work to fix sas_drain_work vs sas_queue_work
[SCSI] libata: Pass correct DMA device to scsi host
[SCSI] scsi_lib: use correct DMA device in __scsi_alloc_queue
