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git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull watchdog updates from Wim Van Sebroeck and Guenter Roeck:
- new driver for Add Loongson1 SoC
- minor cleanup and fixes in various drivers
* tag 'watchdog-for-linus-v4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
watchdog: it87_wdt: add IT8620E ID
watchdog: mpc8xxx: Remove unneeded linux/miscdevice.h include
watchdog: octeon: Remove unneeded linux/miscdevice.h include
watchdog: bcm2835_wdt: set WDOG_HW_RUNNING bit when appropriate
watchdog: loongson1: Add Loongson1 SoC watchdog driver
watchdog: cpwd: remove memory allocate failure message
watchdog: da9062/61: watchdog driver
intel-mid_wdt: Error code is just an integer
intel-mid_wdt: make sure watchdog is not running at startup
watchdog: mei_wdt: request stop on reboot to prevent false positive event
watchdog: hpwdt: changed maintainer information
watchdog: jz4740: Fix modular build
watchdog: qcom: fix kernel panic due to external abort on non-linefetch
watchdog: davinci: add support for deferred probing
watchdog: meson: Remove unneeded platform MODULE_ALIAS
watchdog: Standardize leading tabs and spaces in Kconfig file
watchdog: max77620_wdt: fix module autoload
watchdog: bcm7038_wdt: fix module autoload
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Pull NTB update from Jon Mason:
- NTB bug fixes for removing an unnecessary call to ntb_peer_spad_read,
and correcting a free_irq inconsistency
- add Intel SKX support
- change the AMD NTB maintainer, and fix some bugs present there
* tag 'ntb-4.10' of git://github.com/jonmason/ntb:
ntb_transport: Remove unnecessary call to ntb_peer_spad_read
NTB: Fix 'request_irq()' and 'free_irq()' inconsistancy
ntb: fix SKX NTB config space size register offsets
NTB: correct ntb_peer_spad_read for case when callback is not supplied.
MAINTAINERS: Change in maintainer for AMD NTB
ntb_transport: Limit memory windows based on available, scratchpads
NTB: Register and offset values fix for memory window
NTB: add support for hotplug feature
ntb: Adding Skylake Xeon NTB support
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Ingo Molnar:
"There's a number of fixes:
- a round of fixes for CPUID-less legacy CPUs
- a number of microcode loader fixes
- i8042 detection robustization fixes
- stack dump/unwinder fixes
- x86 SoC platform driver fixes
- a GCC 7 warning fix
- virtualization related fixes"
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (24 commits)
Revert "x86/unwind: Detect bad stack return address"
x86/paravirt: Mark unused patch_default label
x86/microcode/AMD: Reload proper initrd start address
x86/platform/intel/quark: Add printf attribute to imr_self_test_result()
x86/platform/intel-mid: Switch MPU3050 driver to IIO
x86/alternatives: Do not use sync_core() to serialize I$
x86/topology: Document cpu_llc_id
x86/hyperv: Handle unknown NMIs on one CPU when unknown_nmi_panic
x86/asm: Rewrite sync_core() to use IRET-to-self
x86/microcode/intel: Replace sync_core() with native_cpuid()
Revert "x86/boot: Fail the boot if !M486 and CPUID is missing"
x86/asm/32: Make sync_core() handle missing CPUID on all 32-bit kernels
x86/cpu: Probe CPUID leaf 6 even when cpuid_level == 6
x86/tools: Fix gcc-7 warning in relocs.c
x86/unwind: Dump stack data on warnings
x86/unwind: Adjust last frame check for aligned function stacks
x86/init: Fix a couple of comment typos
x86/init: Remove i8042_detect() from platform ops
Input: i8042 - Trust firmware a bit more when probing on X86
x86/init: Add i8042 state to the platform data
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer fix from Ingo Molnar:
"ARM/MOXA SoC clocksource driver fixes"
* 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
clocksource/drivers/moxart: Plug memory and mapping leaks
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq fix from Ingo Molnar:
"A build warning fix with certain .config's"
* 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
irqchip/st: Mark st_irq_syscfg_resume() __maybe_unused
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The results were previously ignored, anyway.
Signed-off-by: Steve Wahl <Steve.Wahl@dell.com>
Fixes: e26a5843f7f5014ae4460030ca4de029a3ac35d3
Acked-by: Allen Hubbe <Allen.Hubbe@dell.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
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'request_irq()' and 'free_irq()' should have the same 'dev_id'.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Acked-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
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The offsets for the SZ registers are wrong. Updated.
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Reported-by: Sandeep Mann <sandeep@purestorage.com>
Tested-by: Zachary Ross <zacharyx.ross@intel.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
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When the underlying NTB H/W driver advertises more memory windows
than the number of scratchpads available to setup MW's, it is likely
that we may end up filling the remaining memory windows with garbage.
So to avoid that, lets limit the memory windows that transport driver
can setup based on the available scratchpads.
Signed-off-by: Shyam Sundar S K <Shyam-sundar.S-k@amd.com>
Acked-by: Allen Hubbe <Allen.Hubbe@dell.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
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Due to incorrect limit and translation register values, NTB link was
going down when the memory window was setup. Made appropriate changes
as per spec.
Fix limit register values for BAR1, which was overlapping
with the BAR23 address.
Signed-off-by: Shyam Sundar S K <Shyam-sundar.S-k@amd.com>
Acked-by: Allen Hubbe <Allen.Hubbe@dell.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
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AMD NTB support hotplug under B2B mode. NTB will trigger link
up/down interrupt event when doing plug add/remove, this patch
implements the two interrupt event to support B2B hotplug function.
Signed-off-by: Xiangliang Yu <Xiangliang.Yu@amd.com>
Signed-off-by: Shyam Sundar S K <Shyam-sundar.S-k@amd.com>
Acked-by: Allen Hubbe <Allen.Hubbe@dell.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
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The Skylake Xeon NTB hardware has made some changes to the register name,
offset, and the way doorbells work. Adding driver support for the new
hardware.
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Acked-by: Allen Hubbe <Allen.Hubbe@dell.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
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Pull networking fixes from David Miller:
1) We have to be careful to not try and place a checksum after the end
of a rawv6 packet, fix from Dave Jones with help from Hannes
Frederic Sowa.
2) Missing memory barriers in tcp_tasklet_func() lead to crashes, from
Eric Dumazet.
3) Several bug fixes for the new XDP support in virtio_net, from Jason
Wang.
4) Increase headroom in RX skbs in be2net driver to accomodate
encapsulations such as geneve. From Kalesh A P.
5) Fix SKB frag unmapping on TX in mvpp2, from Thomas Petazzoni.
6) Pre-pulling UDP headers created a regression in RECVORIGDSTADDR
socket option support, from Willem de Bruijn.
7) UID based routing added a potential OOPS in ip_do_redirect() when we
see an SKB without a socket attached. We just need it for the
network namespace which we can get from skb->dev instead. Fix from
Lorenzo Colitti.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (30 commits)
sctp: fix recovering from 0 win with small data chunks
sctp: do not loose window information if in rwnd_over
virtio-net: XDP support for small buffers
virtio-net: remove big packet XDP codes
virtio-net: forbid XDP when VIRTIO_NET_F_GUEST_UFO is support
virtio-net: make rx buf size estimation works for XDP
virtio-net: unbreak csumed packets for XDP_PASS
virtio-net: correctly handle XDP_PASS for linearized packets
virtio-net: fix page miscount during XDP linearizing
virtio-net: correctly xmit linearized page on XDP_TX
virtio-net: remove the warning before XDP linearizing
mlxsw: spectrum_router: Correctly remove nexthop groups
mlxsw: spectrum_router: Don't reflect dead neighs
neigh: Send netevent after marking neigh as dead
ipv6: handle -EFAULT from skb_copy_bits
inet: fix IP(V6)_RECVORIGDSTADDR for udp sockets
net/sched: cls_flower: Mandate mask when matching on flags
net/sched: act_tunnel_key: Fix setting UDP dst port in metadata under IPv6
stmmac: CSR clock configuration fix
net: ipv4: Don't crash if passing a null sk to ip_do_redirect.
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull final vfs updates from Al Viro:
"Assorted cleanups and fixes all over the place"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
sg_write()/bsg_write() is not fit to be called under KERNEL_DS
ufs: fix function declaration for ufs_truncate_blocks
fs: exec: apply CLOEXEC before changing dumpable task flags
seq_file: reset iterator to first record for zero offset
vfs: fix isize/pos/len checks for reflink & dedupe
[iov_iter] fix iterate_all_kinds() on empty iterators
move aio compat to fs/aio.c
reorganize do_make_slave()
clone_private_mount() doesn't need to touch namespace_sem
remove a bogus claim about namespace_sem being held by callers of mnt_alloc_id()
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Commit f600b6905015 ("virtio_net: Add XDP support") leaves the case of
small receive buffer untouched. This will confuse the user who want to
set XDP but use small buffers. Other than forbid XDP in small buffer
mode, let's make it work. XDP then can only work at skb->data since
virtio-net create skbs during refill, this is sub optimal which could
be optimized in the future.
Cc: John Fastabend <john.r.fastabend@intel.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Acked-by: John Fastabend <john.r.fastabend@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Now we in fact don't allow XDP for big packets, remove its codes.
Cc: John Fastabend <john.r.fastabend@intel.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When VIRTIO_NET_F_GUEST_UFO is negotiated, host could still send UFO
packet that exceeds a single page which could not be handled
correctly by XDP. So this patch forbids setting XDP when GUEST_UFO is
supported. While at it, forbid XDP for ECN (which comes only from GRO)
too to prevent user from misconfiguration.
Cc: John Fastabend <john.r.fastabend@intel.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Acked-by: John Fastabend <john.r.fastabend@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We don't update ewma rx buf size in the case of XDP. This will lead
underestimation of rx buf size which causes host to produce more than
one buffers. This will greatly increase the possibility of XDP page
linearization.
Cc: John Fastabend <john.r.fastabend@intel.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Acked-by: John Fastabend <john.r.fastabend@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We drop csumed packet when do XDP for packets. This breaks
XDP_PASS when GUEST_CSUM is supported. Fix this by allowing csum flag
to be set. With this patch, simple TCP works for XDP_PASS.
Cc: John Fastabend <john.r.fastabend@intel.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Acked-by: John Fastabend <john.r.fastabend@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When XDP_PASS were determined for linearized packets, we try to get
new buffers in the virtqueue and build skbs from them. This is wrong,
we should create skbs based on existed buffers instead. Fixing them by
creating skb based on xdp_page.
With this patch "ping 192.168.100.4 -s 3900 -M do" works for XDP_PASS.
Cc: John Fastabend <john.r.fastabend@intel.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Acked-by: John Fastabend <john.r.fastabend@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We don't put page during linearizing, the would cause leaking when
xmit through XDP_TX or the packet exceeds PAGE_SIZE. Fix them by
put page accordingly. Also decrease the number of buffers during
linearizing to make sure caller can free buffers correctly when packet
exceeds PAGE_SIZE. With this patch, we won't get OOM after linearize
huge number of packets.
Cc: John Fastabend <john.r.fastabend@intel.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Acked-by: John Fastabend <john.r.fastabend@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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After we linearize page, we should xmit this page instead of the page
of first buffer which may lead unexpected result. With this patch, we
can see correct packet during XDP_TX.
Cc: John Fastabend <john.r.fastabend@intel.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Acked-by: John Fastabend <john.r.fastabend@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Since we use EWMA to estimate the size of rx buffer. When rx buffer
size is underestimated, it's usual to have a packet with more than one
buffers. Consider this is not a bug, remove the warning and correct
the comment before XDP linearizing.
Cc: John Fastabend <john.r.fastabend@intel.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://people.freedesktop.org/~airlied/linux
Pull drm fixes from Dave Airlie:
"Some fixes came in while I was out, mostly intel and amdgpu ones, with
one ast fix"
Daniel Vetter says:
"This should also shut up the WARN_ON(!intel_dp->lane_count) noise"
* tag 'drm-fixes-for-4.10-rc1' of git://people.freedesktop.org/~airlied/linux: (35 commits)
drm/amdgpu: update tile table for oland/hainan
drm/amdgpu: update tile table for verde
drm/amdgpu: update rev id for verde
drm/amdgpu: update golden setting for verde
drm/amdgpu: update rev id for oland
drm/amdgpu: update golden setting for oland
drm/amdgpu: update rev id for hainan
drm/amdgpu: update golden setting for hainan
drm/amdgpu: update rev id for pitcairn
drm/amdgpu: update golden setting for pitcairn
drm/amdgpu: update golden setting/tiling table of tahiti
drm/i915: skip the first 4k of stolen memory on everything >= gen8
drm/i915: Fallback to single PAGE_SIZE segments for DMA remapping
drm/i915: Fix use after free in logical_render_ring_init
drm/i915: disable PSR by default on HSW/BDW
drm/i915: Fix setting of boost freq tunable
drm/i915: tune down the fast link training vs boot fail
drm/i915: Reorder phys backing storage release
drm/i915/gen9: Fix PCODE polling during SAGV disabling
drm/i915/gen9: Fix PCODE polling during CDCLK change notification
...
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git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma
Pull rdma fixes from Doug Ledford:
"First round of -rc fixes for 4.10 kernel:
- a series of qedr fixes
- a series of rxe fixes
- one i40iw fix
- one cma fix
- one cxgb4 fix"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma:
IB/rxe: Don't check for null ptr in send()
IB/rxe: Drop future atomic/read packets rather than retrying
IB/rxe: Use BTH_PSN_MASK when ACKing duplicate sends
qedr: Always notify the verb consumer of flushed CQEs
qedr: clear the vendor error field in the work completion
qedr: post_send/recv according to QP state
qedr: ignore inline flag in read verbs
qedr: modify QP state to error when destroying it
qedr: return correct value on modify qp
qedr: return error if destroy CQ failed
qedr: configure the number of CQEs on CQ creation
i40iw: Set 128B as the only supported RQ WQE size
IB/cma: Fix a race condition in iboe_addr_get_sgid()
IB/rxe: Fix a memory leak in rxe_qp_cleanup()
iw_cxgb4: set correct FetchBurstMax for QPs
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git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull late SCSI updates from James Bottomley:
"This is mostly stuff which missed the initial pull.
There's a new driver: qedi, and some ufs, ibmvscsis and ncr5380
updates plus some assorted driver fixes and also a fix for the bug
where if a device goes into a blocked state between configuration and
sysfs device add (which can be a long time under async probing) it
would become permanently blocked"
* tag 'scsi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (30 commits)
scsi: avoid a permanent stop of the scsi device's request queue
scsi: mpt3sas: Recognize and act on iopriority info
scsi: qla2xxx: Fix Target mode handling with Multiqueue changes.
scsi: qla2xxx: Add Block Multi Queue functionality.
scsi: qla2xxx: Add multiple queue pair functionality.
scsi: qla2xxx: Utilize pci_alloc_irq_vectors/pci_free_irq_vectors calls.
scsi: qla2xxx: Only allow operational MBX to proceed during RESET.
scsi: hpsa: remove memory allocate failure message
scsi: Update 3ware driver email addresses
scsi: zfcp: fix rport unblock race with LUN recovery
scsi: zfcp: do not trace pure benign residual HBA responses at default level
scsi: zfcp: fix use-after-"free" in FC ingress path after TMF
scsi: libcxgbi: return error if interface is not up
scsi: cxgb4i: libcxgbi: add missing module_put()
scsi: cxgb4i: libcxgbi: cxgb4: add T6 iSCSI completion feature
scsi: cxgb4i: libcxgbi: add active open cmd for T6 adapters
scsi: cxgb4i: use cxgb4_tp_smt_idx() to get smt_idx
scsi: qedi: Add QLogic FastLinQ offload iSCSI driver framework.
scsi: aacraid: remove wildcard for series 9 controllers
scsi: ibmvscsi: add write memory barrier to CRQ processing
...
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At the end of the nexthop initialization process we determine whether
the nexthop should be offloaded or not based on the NUD state of the
neighbour representing it. After all the nexthops were initialized we
refresh the nexthop group and potentially offload it to the device, in
case some of the nexthops were resolved.
Make the destruction of a nexthop group symmetric with its creation by
marking all nexthops as invalid and then refresh the nexthop group to
make sure it was removed from the device's tables.
Fixes: b2157149b0b0 ("mlxsw: spectrum_router: Add the nexthop neigh activity update")
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When a neighbour is considered to be dead, we should remove it from the
device's table regardless of its NUD state.
Without this patch, after setting a port to be administratively down we
get the following errors when we periodically try to update the kernel
about neighbours activity:
[ 461.947268] mlxsw_spectrum 0000:03:00.0 sw1p3: Failed to find
matching neighbour for IP=192.168.100.2
Fixes: a6bf9e933daf ("mlxsw: spectrum_router: Offload neighbours based on NUD state change")
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When testing stmmac with my QoS reference design I checked a problem in the
CSR clock configuration that was impossibilitating the phy discovery, since
every read operation returned 0x0000ffff. This patch fixes the issue.
Signed-off-by: Joao Pinto <jpinto@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Both damn things interpret userland pointers embedded into the payload;
worse, they are actually traversing those. Leaving aside the bad
API design, this is very much _not_ safe to call with KERNEL_DS.
Bail out early if that happens.
Cc: stable@vger.kernel.org
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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git://anongit.freedesktop.org/git/drm-intel into drm-fixes
First set of i915 fixes for code in next.
* tag 'drm-intel-next-fixes-2016-12-22' of git://anongit.freedesktop.org/git/drm-intel:
drm/i915: skip the first 4k of stolen memory on everything >= gen8
drm/i915: Fallback to single PAGE_SIZE segments for DMA remapping
drm/i915: Fix use after free in logical_render_ring_init
drm/i915: disable PSR by default on HSW/BDW
drm/i915: Fix setting of boost freq tunable
drm/i915: tune down the fast link training vs boot fail
drm/i915: Reorder phys backing storage release
drm/i915/gen9: Fix PCODE polling during SAGV disabling
drm/i915/gen9: Fix PCODE polling during CDCLK change notification
drm/i915/dsi: Fix chv_exec_gpio disabling the GPIOs it is setting
drm/i915/dsi: Fix swapping of MIPI_SEQ_DEASSERT_RESET / MIPI_SEQ_ASSERT_RESET
drm/i915/dsi: Do not clear DPOUNIT_CLOCK_GATE_DISABLE from vlv_init_display_clock_gating
drm/i915: drop the struct_mutex when wedged or trying to reset
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git://anongit.freedesktop.org/git/drm-misc into drm-fixes
Here's the one lonely bugfix I talked about on irc.
* tag 'drm-misc-fixes-2016-12-22' of git://anongit.freedesktop.org/git/drm-misc:
drivers/gpu/drm/ast: Fix infinite loop if read fails
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into drm-fixes
- fix display regression on DCE6/8
- Powergating fixes for GFX8
- amdgpu SI fixes (golden settings, proper rev id setup, etc.)
* 'drm-next-4.10' of git://people.freedesktop.org/~agd5f/linux: (21 commits)
drm/amdgpu: update tile table for oland/hainan
drm/amdgpu: update tile table for verde
drm/amdgpu: update rev id for verde
drm/amdgpu: update golden setting for verde
drm/amdgpu: update rev id for oland
drm/amdgpu: update golden setting for oland
drm/amdgpu: update rev id for hainan
drm/amdgpu: update golden setting for hainan
drm/amdgpu: update rev id for pitcairn
drm/amdgpu: update golden setting for pitcairn
drm/amdgpu: update golden setting/tiling table of tahiti
drm/amdgpu: fix cursor setting of dce6/dce8
drm/amdgpu: refine set clock gating for tonga/polaris
drm/amdgpu: initialize cg flags for tonga/polaris10/polaris11.
drm/amdgpu: add new gfx cg flags.
drm/amdgpu: fix pg can't be disabled by PG mask.
drm/amdgpu: always initialize gfx pg for gfx_v8.0.
drm/amdgpu: enable AMD_PG_SUPPORT_CP in Carrizo/Stoney.
drm/amdgpu: fix init save/restore list in gfx_v8.0
drm/amdgpu: fix enable_cp_power_gating in gfx_v8.0.
...
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Pull block layer fixes from Jens Axboe:
"Just a set of small fixes that have either been queued up after the
original pull for this merge window, or just missed the original pull
request.
- a few bcache fixes/changes from Eric and Kent
- add WRITE_SAME to the command filter whitelist frm Mauricio
- kill an unused struct member from Ritesh
- partition IO alignment fix from Stefan
- nvme sysfs printf fix from Stephen"
* 'for-linus' of git://git.kernel.dk/linux-block:
block: check partition alignment
nvme : Use correct scnprintf in cmb show
block: allow WRITE_SAME commands with the SG_IO ioctl
block: Remove unused member (busy) from struct blk_queue_tag
bcache: partition support: add 16 minors per bcacheN device
bcache: Make gc wakeup sane, remove set_task_state()
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull more ACPI updates from Rafael Wysocki:
"Here are new versions of two ACPICA changes that were deferred
previously due to a problem they had introduced, two cleanups on top
of them and the removal of a useless warning message from the ACPI
core.
Specifics:
- Move some Linux-specific functionality to upstream ACPICA and
update the in-kernel users of it accordingly (Lv Zheng)
- Drop a useless warning (triggered by the lack of an optional
object) from the ACPI namespace scanning code (Zhang Rui)"
* tag 'acpi-extra-4.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI / osl: Remove deprecated acpi_get_table_with_size()/early_acpi_os_unmap_memory()
ACPI / osl: Remove acpi_get_table_with_size()/early_acpi_os_unmap_memory() users
ACPICA: Tables: Allow FADT to be customized with virtual address
ACPICA: Tables: Back port acpi_get_table_with_size() and early_acpi_os_unmap_memory() from Linux kernel
ACPI: do not warn if _BQC does not exist
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fixes from Rafael Wysocki:
"They fix one bug introduced recently, a build warning and a kerneldoc
function description.
Specifics:
- Prevent the acpi-cpufreq driver from crashing on exit by fixing a
check against the __cpuhp_setup_state() return value and fix the
kerneldoc description of that function to make it clear that it may
return positive numbers on success too (Boris Ostrovsky)
- Drop an incorrect __init annotation of a function in the s3c64xx
cpufreq driver and fix a build warning generated (by older
compilers) because of it (Arnd Bergmann)"
* tag 'pm-fixes-4.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
cpufreq: s3c64xx: remove incorrect __init annotation
cpufreq: Remove CPU hotplug callbacks only if they were initialized
CPU/hotplug: Clarify description of __cpuhp_setup_state() return value
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git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc
Pull MMC fixes from Ulf Hansson:
"MMC core:
- further fix thread wake-up for requests
- use a bounce buffer to fix DMA issue for SSR register read
MMC host:
- sdhci: Fix a regression for runtime PM
- sdhci-cadence: Add a proper SoC specific DT compatible"
* tag 'mmc-v4.10-3' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc:
mmc: sd: Meet alignment requirements for raw_ssr DMA
mmc: core: Further fix thread wake-up
mmc: sdhci: Fix to handle MMC_POWER_UNDEFINED
mmc: sdhci-cadence: add Socionext UniPhier specific compatible string
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 cache allocation interface from Thomas Gleixner:
"This provides support for Intel's Cache Allocation Technology, a cache
partitioning mechanism.
The interface is odd, but the hardware interface of that CAT stuff is
odd as well.
We tried hard to come up with an abstraction, but that only allows
rather simple partitioning, but no way of sharing and dealing with the
per package nature of this mechanism.
In the end we decided to expose the allocation bitmaps directly so all
combinations of the hardware can be utilized.
There are two ways of associating a cache partition:
- Task
A task can be added to a resource group. It uses the cache
partition associated to the group.
- CPU
All tasks which are not member of a resource group use the group to
which the CPU they are running on is associated with.
That allows for simple CPU based partitioning schemes.
The main expected user sare:
- Virtualization so a VM can only trash only the associated part of
the cash w/o disturbing others
- Real-Time systems to seperate RT and general workloads.
- Latency sensitive enterprise workloads
- In theory this also can be used to protect against cache side
channel attacks"
[ Intel RDT is "Resource Director Technology". The interface really is
rather odd and very specific, which delayed this pull request while I
was thinking about it. The pull request itself came in early during
the merge window, I just delayed it until things had calmed down and I
had more time.
But people tell me they'll use this, and the good news is that it is
_so_ specific that it's rather independent of anything else, and no
user is going to depend on the interface since it's pretty rare. So if
push comes to shove, we can just remove the interface and nothing will
break ]
* 'x86-cache-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (31 commits)
x86/intel_rdt: Implement show_options() for resctrlfs
x86/intel_rdt: Call intel_rdt_sched_in() with preemption disabled
x86/intel_rdt: Update task closid immediately on CPU in rmdir and unmount
x86/intel_rdt: Fix setting of closid when adding CPUs to a group
x86/intel_rdt: Update percpu closid immeditately on CPUs affected by changee
x86/intel_rdt: Reset per cpu closids on unmount
x86/intel_rdt: Select KERNFS when enabling INTEL_RDT_A
x86/intel_rdt: Prevent deadlock against hotplug lock
x86/intel_rdt: Protect info directory from removal
x86/intel_rdt: Add info files to Documentation
x86/intel_rdt: Export the minimum number of set mask bits in sysfs
x86/intel_rdt: Propagate error in rdt_mount() properly
x86/intel_rdt: Add a missing #include
MAINTAINERS: Add maintainer for Intel RDT resource allocation
x86/intel_rdt: Add scheduler hook
x86/intel_rdt: Add schemata file
x86/intel_rdt: Add tasks files
x86/intel_rdt: Add cpus file
x86/intel_rdt: Add mkdir to resctrl file system
x86/intel_rdt: Add "info" files to resctrl file system
...
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pkt->qp was already dereferenced earlier in the function.
Fixes Smatch complaint:
drivers/infiniband/sw/rxe/rxe_net.c:458 send()
warn: variable dereferenced before check 'pkt->qp' (see line 441)
Signed-off-by: Andrew Boyer <andrew.boyer@dell.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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If the completer is in the middle of a large read operation, one
lost packet can cause havoc. Going to COMPST_ERROR_RETRY will
cause the requester to resend the request. After that, any packet
from the first attempt still in the receive queue will be
interpreted as an error, restarting the error/retry sequence.
The transfer will quickly exhaust its retries.
This behavior is very noticeable when doing 512KB reads on a
QEMU system configured with 1500B MTU.
Also, a resent request here will prompt the responder on the
other side to immediately start resending, but the resent
packets will get stuck in the already-loaded receive queue and
will never be processed.
Rather than erroring out every time an unexpected future packet
arrives, just drop it. Eventually the retry timer will send a
duplicate request; the completer will be able to make progress since
the queue will start relatively empty.
Signed-off-by: Andrew Boyer <andrew.boyer@dell.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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Signed-off-by: Andrew Boyer <andrew.boyer@dell.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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Signed-off-by: Ram Amrani <Ram.Amrani@cavium.com>
Reviewed-by: Michal Kalderon <Michal.Kalderon@cavium.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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We clear the vendor error field in the work completion so that if
a work completion is erroneous the field won't confuse the caller.
Signed-off-by: Ram Amrani <Ram.Amrani@cavium.com>
Reviewed-by: Michal Kalderon <Michal.Kalderon@cavium.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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Enable posting to SQ only in RTS, ERR and SQD QP state.
Enable posting to RQ in ERR QP state.
Signed-off-by: Ram Amrani <Ram.Amrani@cavium.com>
Reviewed-by: Michal Kalderon <Michal.Kalderon@cavium.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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In the current implementation a read verb with IB_SEND_INLINE may be
illegally configured.
In this fix we ignore the inline bit in the case of a read verb.
Signed-off-by: Ram Amrani <Ram.Amrani@cavium.com>
Reviewed-by: Michal Kalderon <Michal.Kalderon@cavium.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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Current code didn't modify the QP state to error because it queried the
QP state as a bitmap while it isn't. So the code never got executed.
This patch fixes this and queries for each QP state respectively and not
at once via a bitmask.
Signed-off-by: Ram Amrani <Ram.Amrani@cavium.com>
Reviewed-by: Michal Kalderon <Michal.Kalderon@cavium.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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Signed-off-by: Ram Amrani <Ram.Amrani@cavium.com>
Reviewed-by: Michal Kalderon <Michal.Kalderon@cavium.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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Signed-off-by: Ram Amrani <Ram.Amrani@cavium.com>
Reviewed-by: Michal Kalderon <Michal.Kalderon@cavium.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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Configure ibcq->cqe when a CQ is created.
Signed-off-by: Ram Amrani <Ram.Amrani@cavium.com>
Reviewed-by: Michal Kalderon <Michal.Kalderon@cavium.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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