| Age | Commit message (Collapse) | Author | Files | Lines |
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Remove IS_ERR check from caching code as the function being called does
not actually return error pointers.
Fixes: f19bd643dbde: "IB/hfi1: Prevent NULL pointer deferences in caching code"
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Dean Luick <dean.luick@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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Increase the size of the buffer that is used to construct per-VL
and per-SDMA counter names.
Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Jianxin Xiong <jianxin.xiong@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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When processing ECN via the prescan_rxq path, some fields in the packet
structure are passed uninitialized. This can potentially
cause NULL pointer exceptions during ECN handling.
Reviewed-by: Ira Weiny <ira.weiny@intel.com>
Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Dasaratharaman Chandramouli <dasaratharaman.chandramouli@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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Set the status code BAD_L2 when unsupported type of packet
is received and dropped.
Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Jakub Pawlak <jakub.pawlak@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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Validate the rcvhdrcnt module parameter in a single function at module
load time. This allows proper error reporting.
Reviewed-by: Dean Luick <dean.luick@intel.com>
Signed-off-by: Krzysztof Blaszkowski <krzysztof.blaszkowski@intel.com>
Signed-off-by: Tymoteusz Kielan <tymoteusz.kielan@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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The new s_rnr_timeout was not properly being set and the code was
incorrectly setting a different timer.
Found by code inspection.
Cc: <stable@vger.kernel.org> # 4.7.x
Fixes: 08279d5c9424 ("staging/rdma/hfi1: use new RNR timer")
Reviewed-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Ira Weiny <ira.weiny@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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The lock is an unused vestige from qib. Remove it.
Reviewed-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Easwar Hariharan <easwar.hariharan@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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hfi1_pcie_ddinit takes the PCI device id as an argument but never
uses it. Clean it up.
Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Easwar Hariharan <easwar.hariharan@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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A few snoop related variables were missed in the snoop/capture removal
to get out of staging. Go back and clean those up too.
Reviewed-by: Dean Luick <dean.luick@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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In the function hfi1_create_ctxts the array "dd->rcd" is allocated and
then populated with allocated resources in a loop. Previously, if
error happened during the loop, only resource allocated in the current
iteration would be freed. The array itself would then be freed, leaving
the resources that were allocated in previous iterations and referenced
by the array elements in limbo.
This patch makes sure all allocated resources are freed before freeing
the array "dd->rcd". Also the resource allocation now takes account of
the numa node the device is attached to.
Reviewed-by: Tadeusz Struk <tadeusz.struk@intel.com>
Signed-off-by: Jianxin Xiong <jianxin.xiong@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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Clean up device type checking.
Reviewed-by: Dean Luick <dean.luick@intel.com>
Signed-off-by: Krzysztof Blaszkowski <krzysztof.blaszkowski@intel.com>
Signed-off-by: Tymoteusz Kielan <tymoteusz.kielan@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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This patch fixes an Oops on device unbind, when the device is used
by a PSM user process. PSM processes access device resources which
are freed on device removal. Similar protection exists in uverbs
in ib_core for Verbs clients, but PSM doesn't use ib_uverbs hence
a separate protection is required for PSM clients.
Cc: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
Reviewed-by: Ira Weiny <ira.weiny@intel.com>
Reviewed-by: Dean Luick <dean.luick@intel.com>
Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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Prevent setting up integrity check flags when module is loaded
with NO_INTEGRITY capability.
Reviewed-by: Dean Luick <dean.luick@intel.com>
Signed-off-by: Jakub Pawlak <jakub.pawlak@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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The IRQ affinity entry is not needed after the irq notifier patch has been
added to the hfi1 driver.
The irq affinity settings for SDMA engine should be set using the standard
/proc/irq/<N>/ interface.
Reviewed-by: Jianxin Xiong <jianxin.xiong@intel.com>
Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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The initial code for rdmavt carried with it a restriction that was a
vestige from the qib driver, that to dma map a page it had to be less
than a page size. This is not the case on modern hardware, both qib and
hfi1 will be just fine with unaligned map requests.
This fixes a 4.8 regression where by an IPoIB transfer of > PAGE_SIZE
will hang because the dma map page call always fails. This was
introduced after commit 5faba5469522 ("IB/ipoib: Report SG feature
regardless of HW UD CSUM capability") added the capability to use SG by
default. Rather than override this, the HW supports it, so allow SG.
Cc: Stable <stable@vger.kernel.org> # 4.8
Reviewed-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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1,cleanup description/comments
2,for FIJI & passthrough, force post when smc fw version below 22.15
3,for other cases, follow regular rules
Signed-off-by: Monk Liu <Monk.Liu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Left over from an earlier rev of the patch.
Acked-by: Colin Ian King <colin.king@canonical.com>
Cc: Dan Carpenter <dan.carpenter@oracle.com>
Cc: Colin King <colin.king@canonical.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Pull fbdev fix from Tomi Valkeinen:
"Fix CLCD regression on Vexpress"
* tag 'fbdev-fixes-4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux:
video: ARM CLCD: fix Vexpress regression
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Sagi writes:
These are the relevant fixes for rc6
- fix possible crash in nvmet-rdma cm_handler from Bart
- fix possible memory leak in nvmet-rdma for connection failures
- fix possible use-after-free conditions in nvmet-rdma
- fix possible IO errors during reconnect stage from Christoph
- fix possible memory leak in nvme-rdma during IO queues connect
failures from Steve
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The bit in the TC3589x direction register is 0 for input
and 1 for output, but the gpiolib expects the reverse.
Fix up the logic.
Cc: stable@vger.kernel.org
Fixes: 14063d71e5e6 ("gpio: tc3589x: add .get_direction() and small cleanup")
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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When locking a GPIO line as IRQ, we go to lengths to
double-check that the line is really set as input before
marking it as used for IRQ. This is not good on GPIO chips
that can sleep, because this function is called in IRQ-safe
context. Just skip this if it can't be checked quickly.
Currently this happens on sleeping expanders such as STMPE
or TC3589x:
BUG: scheduling while atomic: swapper/1/0x00000002
Modules linked in:
CPU: 0 PID: 1 Comm: swapper Not tainted 4.9.0-rc1+ #38
Hardware name: Nomadik STn8815
[<c000f2e0>] (unwind_backtrace) from [<c000d244>] (show_stack+0x10/0x14)
[<c000d244>] (show_stack) from [<c0037b78>] (__schedule_bug+0x54/0x80)
[<c0037b78>] (__schedule_bug) from [<c042df14>] (__schedule+0x3a0/0x460)
[<c042df14>] (__schedule) from [<c042e028>] (schedule+0x54/0xb8)
(...)
This patch fixes that problem and relies on the direction
read from the chip when it was added.
Cc: stable@vger.kernel.org
Fixes: 9c10280d85c1 ("gpio: flush direction status in gpiochip_lock_as_irq()")
Cc: Patrice Chotard <patrice.chotard@st.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Pull networking fixes from David Miller:
1) Fix off by one wrt. indexing when dumping /proc/net/route entries,
from Alexander Duyck.
2) Fix lockdep splats in iwlwifi, from Johannes Berg.
3) Cure panic when inserting certain netfilter rules when NFT_SET_HASH
is disabled, from Liping Zhang.
4) Memory leak when nft_expr_clone() fails, also from Liping Zhang.
5) Disable UFO when path will apply IPSEC tranformations, from Jakub
Sitnicki.
6) Don't bogusly double cwnd in dctcp module, from Florian Westphal.
7) skb_checksum_help() should never actually use the value "0" for the
resulting checksum, that has a special meaning, use CSUM_MANGLED_0
instead. From Eric Dumazet.
8) Per-tx/rx queue statistic strings are wrong in qed driver, fix from
Yuval MIntz.
9) Fix SCTP reference counting of associations and transports in
sctp_diag. From Xin Long.
10) When we hit ip6tunnel_xmit() we could have come from an ipv4 path in
a previous layer or similar, so explicitly clear the ipv6 control
block in the skb. From Eli Cooper.
11) Fix bogus sleeping inside of inet_wait_for_connect(), from WANG
Cong.
12) Correct deivce ID of T6 adapter in cxgb4 driver, from Hariprasad
Shenai.
13) Fix potential access past the end of the skb page frag array in
tcp_sendmsg(). From Eric Dumazet.
14) 'skb' can legitimately be NULL in inet{,6}_exact_dif_match(). Fix
from David Ahern.
15) Don't return an error in tcp_sendmsg() if we wronte any bytes
successfully, from Eric Dumazet.
16) Extraneous unlocks in netlink_diag_dump(), we removed the locking
but forgot to purge these unlock calls. From Eric Dumazet.
17) Fix memory leak in error path of __genl_register_family(). We leak
the attrbuf, from WANG Cong.
18) cgroupstats netlink policy table is mis-sized, from WANG Cong.
19) Several XDP bug fixes in mlx5, from Saeed Mahameed.
20) Fix several device refcount leaks in network drivers, from Johan
Hovold.
21) icmp6_send() should use skb dst device not skb->dev to determine L3
routing domain. From David Ahern.
22) ip_vs_genl_family sets maxattr incorrectly, from WANG Cong.
23) We leak new macvlan port in some cases of maclan_common_netlink()
errors. Fix from Gao Feng.
24) Similar to the icmp6_send() fix, icmp_route_lookup() should
determine L3 routing domain using skb_dst(skb)->dev not skb->dev.
Also from David Ahern.
25) Several fixes for route offloading and FIB notification handling in
mlxsw driver, from Jiri Pirko.
26) Properly cap __skb_flow_dissect()'s return value, from Eric Dumazet.
27) Fix long standing regression in ipv4 redirect handling, wrt.
validating the new neighbour's reachability. From Stephen Suryaputra
Lin.
28) If sk_filter() trims the packet excessively, handle it reasonably in
tcp input instead of exploding. From Eric Dumazet.
29) Fix handling of napi hash state when copying channels in sfc driver,
from Bert Kenward.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (121 commits)
mlxsw: spectrum_router: Flush FIB tables during fini
net: stmmac: Fix lack of link transition for fixed PHYs
sctp: change sk state only when it has assocs in sctp_shutdown
bnx2: Wait for in-flight DMA to complete at probe stage
Revert "bnx2: Reset device during driver initialization"
ps3_gelic: fix spelling mistake in debug message
net: ethernet: ixp4xx_eth: fix spelling mistake in debug message
ibmvnic: Fix size of debugfs name buffer
ibmvnic: Unmap ibmvnic_statistics structure
sfc: clear napi_hash state when copying channels
mlxsw: spectrum_router: Correctly dump neighbour activity
mlxsw: spectrum: Fix refcount bug on span entries
bnxt_en: Fix VF virtual link state.
bnxt_en: Fix ring arithmetic in bnxt_setup_tc().
Revert "include/uapi/linux/atm_zatm.h: include linux/time.h"
tcp: take care of truncations done by sk_filter()
ipv4: use new_gw for redirect neigh lookup
r8152: Fix error path in open function
net: bpqether.h: remove if_ether.h guard
net: __skb_flow_dissect() must cap its return value
...
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Pull RTC fixes from Alexandre Belloni:
"Here are a few driver fixes for 4.9. It has been calm for a while so I
don't expect more for this cycle.
Drivers:
- asm9260: fix module autoload
- cmos: fix crashes
- omap: fix clock handling"
* tag 'rtc-4.9-2' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux:
rtc: omap: prevent disabling of clock/module during suspend
rtc: omap: Fix selecting external osc
rtc: cmos: Don't enable interrupts in the middle of the interrupt handler
rtc: cmos: remove all __exit_p annotations
rtc: asm9260: fix module autoload
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Since commit b45f64d16d45 ("mlxsw: spectrum_router: Use FIB notifications
instead of switchdev calls") we reflect to the device the entire FIB
table and not only FIBs that point to netdevs created by the driver.
During module removal, FIBs of the second type are removed following
NETDEV_UNREGISTER events sent. The other FIBs are still present in both
the driver's cache and the device's table.
Fix this by iterating over all the FIB tables in the device and flush
them. There's no need to take locks, as we're the only writer.
Fixes: b45f64d16d45 ("mlxsw: spectrum_router: Use FIB notifications instead of switchdev calls")
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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Commit 52f95bbfcf72 ("stmmac: fix adjust link call in case of a switch
is attached") added some logic to avoid polling the fixed PHY and
therefore invoking the adjust_link callback more than once, since this
is a fixed PHY and link events won't be generated.
This works fine the first time, because we start with phydev->irq =
PHY_POLL, so we call adjust_link, then we set phydev->irq =
PHY_IGNORE_INTERRUPT and we stop polling the PHY.
Now, if we called ndo_close(), which calls both phy_stop() and does an
explicit netif_carrier_off(), we end up with a link down. Upon calling
ndo_open() again, despite starting the PHY state machine, we have
PHY_IGNORE_INTERRUPT set, and we generate no link event at all, so the
link is permanently down.
Fixes: 52f95bbfcf72 ("stmmac: fix adjust link call in case of a switch is attached")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Acked-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In-flight DMA from 1st kernel could continue going in kdump kernel.
New io-page table has been created before bnx2 does reset at open stage.
We have to wait for the in-flight DMA to complete to avoid it look up
into the newly created io-page table at probe stage.
Suggested-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: Baoquan He <bhe@redhat.com>
Acked-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This reverts commit 3e1be7ad2d38c6bd6aeef96df9bd0a7822f4e51c.
When people build bnx2 driver into kernel, it will fail to detect
and load firmware because firmware is contained in initramfs and
initramfs has not been uncompressed yet during do_initcalls. So
revert commit 3e1be7a and work out a new way in the later patch.
Signed-off-by: Baoquan He <bhe@redhat.com>
Acked-by: Paul Menzel <pmenzel@molgen.mpg.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch fixes the lockdep warning below
DEBUG_LOCKS_WARN_ON(irqs_disabled_flags(flags))
------------[ cut here ]------------
WARNING: CPU: 1 PID: 1 at linux-next/kernel/locking/lockdep.c:2876 lockdep_trace_alloc+0xe0/0xf0
Modules linked in:
CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.0-11756-g86c5152 #46
...
Call trace:
Exception stack(0xffff8007da837890 to 0xffff8007da8379c0)
7880: ffff8007da834000 0001000000000000
78a0: ffff8007da837a70 ffff0000081111a0 00000000600000c5 000000000000003d
78c0: 9374bc6a7f3c7832 0000000000381878 ffff000009db7ab8 000000000000002f
78e0: ffff00000811aabc ffff000008be2548 ffff8007da837990 ffff00000811adf8
7900: ffff8007da834000 00000000024080c0 00000000000000c0 ffff000009021000
7920: 0000000000000000 0000000000000000 ffff000008c8f7c8 ffff8007da579810
7940: 000000000000002f ffff8007da858000 0000000000000000 0000000000000001
7960: 0000000000000001 0000000000000000 ffff00000811a468 0000000000000002
7980: 656c62617369645f 0000000000038187 00000000000000ee ffff8007da837850
79a0: ffff000009db50c0 ffff000009db569d 0000000000000006 ffff000089db568f
[<ffff0000081111a0>] lockdep_trace_alloc+0xe0/0xf0
[<ffff0000081f4950>] __kmalloc_track_caller+0x50/0x250
[<ffff00000857c088>] devres_alloc_node+0x28/0x60
[<ffff0000081220e0>] devm_request_threaded_irq+0x50/0xe0
[<ffff0000087e6220>] pcc_mbox_request_channel+0x110/0x170
[<ffff0000084b2660>] acpi_cppc_processor_probe+0x264/0x414
[<ffff0000084ae9f4>] __acpi_processor_start+0x28/0xa0
[<ffff0000084aeab0>] acpi_processor_start+0x44/0x54
[<ffff00000857897c>] driver_probe_device+0x1fc/0x2b0
[<ffff000008578ae4>] __driver_attach+0xb4/0xc0
[<ffff00000857683c>] bus_for_each_dev+0x5c/0xa0
[<ffff000008578110>] driver_attach+0x20/0x30
[<ffff000008577c20>] bus_add_driver+0x110/0x230
[<ffff000008579320>] driver_register+0x60/0x100
[<ffff000008d478b8>] acpi_processor_driver_init+0x2c/0xb0
[<ffff000008083168>] do_one_initcall+0x38/0x130
[<ffff000008d20d6c>] kernel_init_freeable+0x210/0x2b4
[<ffff000008945d90>] kernel_init+0x10/0x110
[<ffff000008082e80>] ret_from_fork+0x10/0x50
It's because the spinlock inside pcc_mbox_request_channel() is
kept too long. This patch releases spinlock before request_irq()
and free_irq() to fix this issue as spinlock is only needed to
protect the channel data.
Signed-off-by: Hoan Tran <hotran@apm.com>
Reviewed-by: Prashanth Prakash <pprakash@codeaurora.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Pavel Machek reports that commit 6ea8c546f365 (ACPICA: FADT support
cleanup) breaks thermal management on his Thinkpad X60 and T40p, so
revert it.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=187311
Fixes: 6ea8c546f365 (ACPICA: FADT support cleanup)
Reported-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Trivial fix to spelling mistake "unmached" to "unmatched" in
debug message.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We get the following build error from UM Linux after adding
an entry to drivers/iio/gyro/Kconfig that issues "select I2C_MUX":
ERROR: "devm_ioremap_resource"
[drivers/i2c/muxes/i2c-mux-reg.ko] undefined!
ERROR: "of_address_to_resource"
[drivers/i2c/muxes/i2c-mux-reg.ko] undefined!
It appears that the I2C mux core code depends on HAS_IOMEM
for historical reasons, while CONFIG_I2C_MUX_REG does *not*
have a direct dependency on HAS_IOMEM.
This creates a situation where a allyesconfig or allmodconfig
for UM Linux will select I2C_MUX, and will implicitly enable
I2C_MUX_REG as well, and the compilation will fail for the
register driver.
Fix this up by making I2C_MUX_REG depend on HAS_IOMEM and
removing the dependency from I2C_MUX.
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Reported-by: Jonathan Cameron <jic23@jic23.retrosnub.co.uk>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Jonathan Cameron <jic23@kernel.org>
Acked-by: Peter Rosin <peda@axentia.se>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Cc: stable@kernel.org
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This file was converted to a separate module at commit 7a0786c19d65
("gp8psk: Fix DVB frontend attach"), because the DVB attach routines
require it to work. However, I forgot to copy the MODULE_foo() macros
from the original module, causing this warning:
WARNING: modpost: missing MODULE_LICENSE() in drivers/media/dvb-frontends/gp8psk-fe.o
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Fixes: 7a0786c19d65 ("gp8psk: Fix DVB frontend attach")
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Pull x86 fixes from Ingo Molnar:
"Misc fixes:
- fix an Intel/MID boot crash/hang bug
- fix a cache topology mis-parsing bug on certain AMD CPUs
- fix a virtualization firmware bug by adding a check+quirk
workaround on the kernel side"
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/cpu: Deal with broken firmware (VMWare/XEN)
x86/cpu/AMD: Fix cpu_llc_id for AMD Fam17h systems
x86/platform/intel-mid: Retrofit pci_platform_pm_ops ->get_state hook
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If we return early on pm_runtime_get() error, we need to also call
pm_runtime_put_noidle() as pointed out in a musb related thread
by Johan Hovold <johan@kernel.org>. This is to keep the PM runtime
use counts happy.
Fixes: fdea2d09b997 ("dmaengine: cppi41: Add basic PM runtime support")
Cc: Johan Hovold <johan@kernel.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
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On am335x with musb host we can end up with unpaired pm runtime calls
if a hub with no devices is connected and disconnected.
This is because of the conditional pm runtime calls which are always
a bad idea. Let's fix the issue by making them unconditional and
paired in each function.
Fixes: fdea2d09b997 ("dmaengine: cppi41: Add basic PM runtime support")
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
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If musb controller is configured with USB peripherals and we have
enumerated with a USB host, we can get warnings on removal of the
modules:
WARNING: CPU: 0 PID: 1269 at drivers/dma/cppi41.c:391
cppi41_dma_free_chan_resources
Fix the issue by adding the missing pm_runtime_get to
cppi41_dma_free_chan_resources to make sure the pending work
list is cleared on removal.
Fixes: fdea2d09b997 ("dmaengine: cppi41: Add basic PM runtime support")
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
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dma_pool_alloc does not initialize the value of the newly allocated
block for the v_lli, and the uninitilize value make the tests failed
which is on pine64 with dmatest.
we can fix it just change the "|=" to "=" for the v_lli->cfg.
Signed-off-by: Hao Zhang <hao5781286@gmail.com>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
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draining the qp right after disconnect might not suffice because
the nvmet sq is not fully drained (in nvmet_sq_destroy) and we might
see completions after the drain. Instead, drain right before the
qp destroy which comes after the sq destruction and we can be sure
that no posts come after the drain.
Tested-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
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While testing nvme-rdma with the spdk nvmf target over iw_cxgb4, I
configured the target (mistakenly) to generate an error creating the
NVMF IO queues. This resulted a "Invalid SQE Parameter" error sent back
to the host on the first IO queue connect:
[ 9610.928182] nvme nvme1: queue_size 128 > ctrl maxcmd 120, clamping down
[ 9610.938745] nvme nvme1: creating 32 I/O queues.
So nvmf_connect_io_queue() returns an error to
nvmf_connect_io_queue() / nvmf_connect_io_queues(), and that
is returned to nvme_rdma_create_io_queues(). In the error path,
nvmf_rdma_create_io_queues() frees the queue tagset memory _before_
stopping and freeing the IB queues, which causes yet another
touch-after-free crash due to SQ CQEs being flushed after the ib_cqe
structs pointed-to by the flushed WRs have been freed (since they are
part of the nvme_rdma_request struct).
The fix is to stop and free the queues in nvmf_connect_io_queues()
if there is an error connecting any of the queues.
Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
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In case we accepted a queue connection and it failed, we might not
remove the queue from the list until we unload and clean it up.
We should delete it from the queue list on the relevant handler.
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
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In the transport, in case of an interal queue error like
error completion in rdma we trigger a fatal error. However,
multiple queues in the same controller can serr error completions
and we don't want to trigger fatal error work more than once.
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
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If we reconncect we might have command queue up that get resent as soon
as the queue is restarted. But until the connect command succeeded we
can't send other command. Add a new flag that marks a queue as live when
connect finishes, and delay any non-connect command until the queue is
live based on it.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reported-by: Steve Wise <swise@opengridcomputing.com>
Tested-by: Steve Wise <swise@opengridcomputing.com>
[sagig: fixes admin queue LIVE setting]
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
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When we initiate queue teardown sequence we call rdma_destroy_qp
which clears cm_id->qp, afterwards we call rdma_destroy_id, but
we might see a rdma_cm event in between with a cleared cm_id->qp
so watch out for that and silently ignore the event because this
means that the queue teardown sequence is in progress.
Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
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This is a static checker warning, not something I'm desperately
concerned about. But snprintf() returns the number of bytes that
would have been copied if there were space. We really care about the
number of bytes that actually were copied so we should use scnprintf()
instead.
It probably won't overrun, and in that case we may as well just use
sprintf() but these sorts of things make static checkers and code
reviewers happier.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
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The peer_addr member of intel_ntb_dev is not set, therefore when
acquiring ntb_peer_db and ntb_peer_spad we only get the offset rather
than the actual physical address. Adding fix to correct that.
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Acked-by: Allen Hubbe <Allen.Hubbe@emc.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
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schedule_timeout_* takes a timeout in jiffies but the code currently is
passing in a constant which makes this timeout HZ dependent, so pass it
through msecs_to_jiffies() to fix this up.
Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org>
Acked-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
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schedule_timeout_* takes a timeout in jiffies but the code currently is
passing in a constant which makes this timeout HZ dependent, so pass it
through msecs_to_jiffies() to fix this up.
Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
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Fix typo in module parameter descriptions.
Signed-off-by: Wei Yongjun <weiyj.lk@gmail.com>
Acked-by: Allen Hubbe <Allen.Hubbe@emc.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
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Fix 'db_init' parameter description.
Signed-off-by: Wei Yongjun <weiyj.lk@gmail.com>
Acked-by: Allen Hubbe <Allen.Hubbe@emc.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
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Trivial fix to spelling mistake "successed" to "succeeded"
in debug message. Also unwrap multi-line literal string.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Dennis Dalessandro
Jianxin Xiong
Dasaratharaman Chandramouli
Jakub Pawlak
Krzysztof Blaszkowski
Ira Weiny
Easwar Hariharan
Tadeusz Struk
Monk Liu
Alex Deucher
Linus Torvalds
Jens Axboe
Linus Walleij
Ido Schimmel
Florian Fainelli
Baoquan He
Hoan Tran
Rafael J. Wysocki
Colin Ian King
Mauro Carvalho Chehab
Tony Lindgren
Axl-zhang
Sagi Grimberg
Steve Wise
Christoph Hellwig
Bart Van Assche
Dan Carpenter
Dave Jiang
Nicholas Mc Guire
Wei Yongjun