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Use runtime flag to ensure that an mddev gets suspended/resumed just once.
Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
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During growing reshapes (i.e. stripes being added to a raid set), the
new stripe images are not in-sync and not part of the raid set until
the reshape is started.
LVM2 has to request multiple table reloads involving superblock updates
in order to reflect proper size of SubLVs in the cluster. Before a stripe
adding reshape starts, validate_raid_redundancy() fails as a result of that
because it checks the total number of devices against the number of rebuild
ones rather than the actual ones in the raid set (as retrieved from the
superblock) thus resulting in failed raid4/5/6/10 redundancy checks.
E.g. convert 3 stripes -> 7 stripes raid5 (which only allows for maximum
1 device to fail) requesting +4 delta disks causing 4 devices to rebuild
during reshaping thus failing activation.
To fix this, move validate_raid_redundancy() to get access to the
current raid_set members.
Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
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Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
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It's possible the preferred HMB size may not be a multiple of the
chunk_size. This patch moves len to function scope and uses that in
the for loop increment so the last iteration doesn't cause the total
size to exceed the allocated HMB size.
Based on an earlier patch from Keith Busch.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Keith Busch <keith.busch@intel.com>
Fixes: 87ad72a59a38 ("nvme-pci: implement host memory buffer support")
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The FC-NVME spec hasn't locked down on the format string for TRADDR.
Currently the spec is lobbying for "nn-<16hexdigits>:pn-<16hexdigits>"
where the wwn's are hex values but not prefixed by 0x.
Most implementations so far expect a string format of
"nn-0x<16hexdigits>:pn-0x<16hexdigits>" to be used. The transport
uses the match_u64 parser which requires a leading 0x prefix to set
the base properly. If it's not there, a match will either fail or return
a base 10 value.
The resolution in T11 is pushing out. Therefore, to fix things now and
to cover any eventuality and any implementations already in the field,
this patch adds support for both formats.
The change consists of replacing the token matching routine with a
routine that validates the fixed string format, and then builds
a local copy of the hex name with a 0x prefix before calling
the system parser.
Note: the same parser routine exists in both the initiator and target
transports. Given this is about the only "shared" item, we chose to
replicate rather than create an interdendency on some shared code.
Signed-off-by: James Smart <james.smart@broadcom.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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There are cases where threads are in the process of submitting new
io when the LLDD calls in to remove the remote port. In some cases,
the next io actually goes to the LLDD, who knows the remoteport isn't
present and rejects it. To properly recovery/restart these i/o's we
don't want to hard fail them, we want to treat them as temporary
resource errors in which a delayed retry will work.
Add a couple more checks on remoteport connectivity and commonize the
busy response handling when it's seen.
Signed-off-by: James Smart <james.smart@broadcom.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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The WWID sysfs attribute can provide multiple means of a World Wide ID
for a NVMe device. It can either be a NGUID, a EUI-64 or a concatenation
of VID, Serial Number, Model and the Namespace ID in this order of
preference.
If the target also sends us a UUID use the UUID for identification and
give it the highest priority.
This eases generation of /dev/disk/by-* symlinks.
Signed-off-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid
Pull HID fixes from Jiri Kosina:
- regression fix (missing IRQs) for devices that require 'always poll'
quirk, from Dmitry Torokhov
- new device ID addition to Ortek driver, from Benjamin Tissoires
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid:
HID: ortek: add one more buggy device
HID: usbhid: fix "always poll" quirk
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git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 fixes from Martin Schwidefsky:
"Three bug fixes"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/mm: set change and reference bit on lazy key enablement
s390: chp: handle CRW_ERC_INIT for channel-path status change
s390/perf: fix problem state detection
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This patch partially reverts 3df0e50 ("xen/blkfront: pseudo support for
multi hardware queues/rings"). The xen-blkfront queue/ring might hang due
to grants allocation failure in the situation when gnttab_free_head is
almost empty while many persistent grants are reserved for this queue/ring.
As persistent grants management was per-queue since 73716df ("xen/blkfront:
make persistent grants pool per-queue"), we should always allocate from
persistent grants first.
Acked-by: Roger Pau Monné <roger.pau@citrix.com>
Signed-off-by: Dongli Zhang <dongli.zhang@oracle.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
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When ring buf full, hw queue will be stopped. While blkif interrupt consume
request and make free space in ring buf, hw queue will be started again.
But since start queue is protected by spin lock while stop not, that will
cause a race.
interrupt: process:
blkif_interrupt() blkif_queue_rq()
kick_pending_request_queues_locked()
blk_mq_start_stopped_hw_queues()
clear_bit(BLK_MQ_S_STOPPED, &hctx->state)
blk_mq_stop_hw_queue(hctx)
blk_mq_run_hw_queue(hctx, async)
If ring buf is made empty in this case, interrupt will never come, then the
hw queue will be stopped forever, all processes waiting for the pending io
in the queue will hung.
Signed-off-by: Junxiao Bi <junxiao.bi@oracle.com>
Reviewed-by: Ankur Arora <ankur.a.arora@oracle.com>
Acked-by: Roger Pau Monné <roger.pau@citrix.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
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We should be returning normal negative error codes here. The "a"
variables comes from &c->async_write_error which is a blk_status_t
converted to a regular error code.
In the current code, the blk_status_t gets propogated back to
pool_create() and eventually results in an Oops.
Fixes: 4e4cbee93d56 ("block: switch bios to blk_status_t")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
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If the dm-integrity superblock was corrupted in such a way that the
journal_sections field was zero, the integrity target would deadlock
because it would wait forever for free space in the journal.
Detect this situation and refuse to activate the device.
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Cc: stable@vger.kernel.org
Fixes: 7eada909bfd7 ("dm: add integrity target")
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
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If this WARN_ON triggers it speaks to programmer error, and likely
implies corruption, but no released kernel should trigger it. This
WARN_ON serves to assist DM integrity developers as changes are
made/tested in the future.
BUG_ON is excessive for catching programmer error, if a user or
developer would like warnings to trigger a panic, they can enable that
via /proc/sys/kernel/panic_on_warn
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
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Unregister the driver before removing multi-instance hotplug
callbacks. This order avoids the warning issued from
__cpuhp_remove_state_cpuslocked when the number of remaining
instances isn't yet zero.
Fixes: 8017c279196a ("net/virtio-net: Convert to hotplug state machine")
Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Andrew Jones <drjones@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Clean up the comment format.
Signed-off-by: Wei Wang <wei.w.wang@intel.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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This patch saves the deflated pages to a list, instead of the PFN array.
Accordingly, the balloon_pfn_to_page() function is removed.
Signed-off-by: Liang Li <liang.z.li@intel.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Wei Wang <wei.w.wang@intel.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Use sysfs_match_string() helper instead of open coded variant.
Cc: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Jason Wang <jasowang@redhat.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Jason Wang <jasowang@redhat.com>
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IRTE[GALogIntr] bit should set when enabling guest_mode, which enables
IOMMU to generate entry in GALog when IRTE[IsRun] is not set, and send
an interrupt to notify IOMMU driver.
Signed-off-by: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
Cc: Joerg Roedel <jroedel@suse.de>
Cc: stable@vger.kernel.org # v4.9+
Fixes: d98de49a53e48 ('iommu/amd: Enable vAPIC interrupt remapping mode by default')
Signed-off-by: Joerg Roedel <jroedel@suse.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/will/linux into iommu/fixes
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two more fixes for issues nouveau found in fedora 26.
* 'linux-4.13' of git://github.com/skeggsb/linux:
drm/nouveau/bar/gf100: fix access to upper half of BAR2
drm/nouveau/disp/nv50-: bump max chans to 21
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Bit 30 being set causes the upper half of BAR2 to stay in physical mode,
mapped over the end of VRAM, even when the rest of the BAR has been set
to virtual mode.
We inherited our initial value from RM, but I'm not aware of any reason
we need to keep it that way.
This fixes severe GPU hang/lockup issues revealed by Wayland on F26.
Shout-out to NVIDIA for the quick response with the potential cause!
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Cc: stable@vger.kernel.org # 4.3+
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GP102's cursors go from chan 17..20. Increase the array size to hold
their data properly.
Fixes: e50fcff15f ("drm/nouveau/disp/gp102: fix cursor/overlay immediate channel indices")
Cc: stable@vger.kernel.org # v4.10+
Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Extend KBL platform support in GVT-g. Validation tests
are done on KBL server and KBL NUC. Both show the same
quality.
Signed-off-by: Jian Jun Chen <jian.jun.chen@intel.com>
Cc: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
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We shouldn't be writing over the "ret" variable. It means we return
ERR_PTR(0) which is NULL and it results in a NULL dereference in the
caller.
Fixes: ace7f46ba5fd ("scsi: qedi: Add QLogic FastLinQ offload iSCSI driver framework.")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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When LPFC is built-in but NVMe is a loadable module, we fail to link the
kernel:
drivers/scsi/built-in.o: In function `lpfc_nvme_create_localport':
(.text+0x156a82): undefined reference to `nvme_fc_register_localport'
drivers/scsi/built-in.o: In function `lpfc_nvme_destroy_localport':
(.text+0x156eaa): undefined reference to `nvme_fc_unregister_remoteport'
We can avoid this either by forcing lpfc to be a module, or by disabling
NVMe support in this case. This implements the former.
Fixes: 7d7080335f8d ("scsi: lpfc: Finalize Kconfig options for nvme")
Cc: stable@vger.kernel.org
Link: https://patchwork.kernel.org/patch/9636569/
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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When trying to delete a vport via 'vport_delete' sysfs attribute we
should be checking if the port is already in state VPORT_DELETING; if so
there's no need to do anything.
Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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In error case it is possible that ->cleanup_task() gets called without
calling ->alloc_pdu() in this case cxgbi_task_data is not valid, so add
a check for for valid cxgbi_task_data in cxgbi_cleanup_task().
Signed-off-by: Varun Prakash <varun@chelsio.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Building firmware with O=path was apparently broken in aic7 for ever.
Message of the previous commit to the Makefile (from 2008) mentions this
unfortunate state of affairs already. Fix this, mostly to make
randconfig builds more reliable.
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Found this issue by kmemleak, a few kb mem was leaked in
megasas_alloc_cmdlist_fusion when kzalloc failed for one
megasas_cmd_fusion allocation.
unreferenced object 0xffff88045dbd2000 (size 8192):
comm "systemd-udevd", pid 323, jiffies 4294671759 (age 49.008s)
backtrace:
[<ffffffff8176166a>] kmemleak_alloc+0x4a/0xa0
[<ffffffff812186a8>] __kmalloc+0xe8/0x220
[<ffffffffc0060594>] megasas_alloc_cmdlist_fusion+0x34/0xe0 [megaraid_sas]
(gdb) list *megasas_alloc_cmdlist_fusion+0x34
0xd5c4 is in megasas_alloc_cmdlist_fusion
(drivers/scsi/megaraid/megaraid_sas_fusion.c:443).
[<ffffffffc0060ca5>] megasas_alloc_cmds_fusion+0x25/0x410 [megaraid_sas]
[<ffffffffc0061edf>] megasas_init_adapter_fusion+0x21f/0x640 [megaraid_sas]
[<ffffffffc005df17>] megasas_init_fw+0x357/0xd30 [megaraid_sas]
[<ffffffffc005ef26>] megasas_probe_one.part.33+0x636/0x1100 [megaraid_sas]
[<ffffffffc005fa36>] megasas_probe_one+0x46/0xc0 [megaraid_sas]
[<ffffffff813d2ca5>] local_pci_probe+0x45/0xa0
[<ffffffff813d4222>] pci_device_probe+0x192/0x1b0
[<ffffffff814e3658>] driver_probe_device+0x2a8/0x460
[<ffffffff814e38ed>] __driver_attach+0xdd/0xe0
[<ffffffff814e124c>] bus_for_each_dev+0x6c/0xc0
[<ffffffff814e2dde>] driver_attach+0x1e/0x20
[<ffffffff814e2775>] bus_add_driver+0x45/0x270
[<ffffffff814e4400>] driver_register+0x60/0xe0
unreferenced object 0xffff880454ce3600 (size 192):
backtrace:
[<ffffffff8176166a>] kmemleak_alloc+0x4a/0xa0
[<ffffffff8121801a>] kmem_cache_alloc_trace+0xca/0x1d0
[<ffffffffc00605d7>] megasas_alloc_cmdlist_fusion+0x77/0xe0 [megaraid_sas]
(gdb) list *megasas_alloc_cmdlist_fusion+0x77
0xd607 is in megasas_alloc_cmdlist_fusion
(drivers/scsi/megaraid/megaraid_sas_fusion.c:450).
[<ffffffffc0060ca5>] megasas_alloc_cmds_fusion+0x25/0x410 [megaraid_sas]
[<ffffffffc0061edf>] megasas_init_adapter_fusion+0x21f/0x640 [megaraid_sas]
[<ffffffffc005df17>] megasas_init_fw+0x357/0xd30 [megaraid_sas]
[<ffffffffc005ef26>] megasas_probe_one.part.33+0x636/0x1100 [megaraid_sas]
[<ffffffffc005fa36>] megasas_probe_one+0x46/0xc0 [megaraid_sas]
[<ffffffff813d2ca5>] local_pci_probe+0x45/0xa0
[<ffffffff813d4222>] pci_device_probe+0x192/0x1b0
[<ffffffff814e3658>] driver_probe_device+0x2a8/0x460
[<ffffffff814e38ed>] __driver_attach+0xdd/0xe0
[<ffffffff814e124c>] bus_for_each_dev+0x6c/0xc0
[<ffffffff814e2dde>] driver_attach+0x1e/0x20
[<ffffffff814e2775>] bus_add_driver+0x45/0x270
[<ffffffff814e4400>] driver_register+0x60/0xe0
Signed-off-by: Shu Wang <shuwang@redhat.com>
Acked-by: Sumit Saxena <sumit.saxena@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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qedi uses iscsi_boot_sysfs to export the targets used for boot to
sysfs. Select the config option to make sure the module is built.
This addresses the compile time issue,
drivers/scsi/qedi/qedi_main.o: In function `qedi_remove':
qedi_main.c:(.text+0x3bbd): undefined reference to `iscsi_boot_destroy_kset'
drivers/scsi/qedi/qedi_main.o: In function `__qedi_probe.constprop.0':
qedi_main.c:(.text+0x577a): undefined reference to `iscsi_boot_create_target'
qedi_main.c:(.text+0x5807): undefined reference to `iscsi_boot_create_target'
qedi_main.c:(.text+0x587f): undefined reference to `iscsi_boot_create_initiator'
qedi_main.c:(.text+0x58f3): undefined reference to `iscsi_boot_create_ethernet'
qedi_main.c:(.text+0x5927): undefined reference to `iscsi_boot_destroy_kset'
qedi_main.c:(.text+0x5d7b): undefined reference to `iscsi_boot_create_host_kset'
[mkp: fixed whitespace]
Signed-off-by: Nilesh Javali <nilesh.javali@cavium.com>
Fixes: c57ec8fb7c02 ("scsi: qedi: Add support for Boot from SAN over iSCSI offload")
Reported-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Populate mii_bus->parent with our own platform device before
registering, which makes it easier to locate the MDIO bus
in sysfs when trying to diagnose problems.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Acked-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We had reports of 50us not being sufficient to reset the MAC,
thus hitting the "Hardware reset failed" error bringing the
interface up on some AST2400 based machines.
This bumps the timeout to 200us.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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DMA transfers are not allowed to buffers that are on the stack.
Therefore allocate a buffer to store the result of usb_control_message().
Fixes these bugreports:
https://bugzilla.kernel.org/show_bug.cgi?id=195217
https://bugzilla.redhat.com/show_bug.cgi?id=1421387
https://bugzilla.redhat.com/show_bug.cgi?id=1427398
Shortened kernel backtrace from 4.11.9-200.fc25.x86_64:
kernel: ------------[ cut here ]------------
kernel: WARNING: CPU: 3 PID: 2957 at drivers/usb/core/hcd.c:1587
kernel: transfer buffer not dma capable
kernel: Call Trace:
kernel: dump_stack+0x63/0x86
kernel: __warn+0xcb/0xf0
kernel: warn_slowpath_fmt+0x5a/0x80
kernel: usb_hcd_map_urb_for_dma+0x37f/0x570
kernel: ? try_to_del_timer_sync+0x53/0x80
kernel: usb_hcd_submit_urb+0x34e/0xb90
kernel: ? schedule_timeout+0x17e/0x300
kernel: ? del_timer_sync+0x50/0x50
kernel: ? __slab_free+0xa9/0x300
kernel: usb_submit_urb+0x2f4/0x560
kernel: ? urb_destroy+0x24/0x30
kernel: usb_start_wait_urb+0x6e/0x170
kernel: usb_control_msg+0xdc/0x120
kernel: mcs_get_reg+0x36/0x40 [mcs7780]
kernel: mcs_net_open+0xb5/0x5c0 [mcs7780]
...
Regression goes back to 4.9, so it's a good candidate for -stable.
Though it's the decision of the maintainer.
Thanks to Dan Williams for adding the "transfer buffer not dma capable"
warning in the first place. It instantly pointed me in the right direction.
Patch has been tested with transferring data from a Polar watch.
Signed-off-by: Thomas Jarosch <thomas.jarosch@intra2net.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The commit fbf68229ffe7 ("net: stmmac: unify registers dumps methods")
in the Linux kernel modified the register dump to store the DMA registers
at the DMA register offset (0x1000) but ethtool (stmmac.c) looks for the
DMA registers after the MAC registers which is offset 55.
This patch copies the DMA registers from the higher offset to the offset
where ethtool expects them.
Signed-off-by: Thor Thayer <thor.thayer@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers
Kalle Valo says:
====================
wireless-drivers fixes for 4.13
Important, but small in size, fixes.
brcmfmac
* fix a regression in SDIO support introduced in v4.13-rc1
rtlwifi
* fix a regression in bluetooth coexistance introduced in v4.13-rc1
iwlwifi
* a few NULL pointer dereferences in the recovery flow
* a small but important fix for IBSS
* a one-liner fix for tracing, which was including too much data
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Each FIB node holds a linked list of routes sharing the same prefix and
length. In the case of IPv4 it's ordered according to table ID, metric
and TOS and only the first route in the list is actually programmed to
the device.
In case a gatewayed route is added somewhere in the list, then after its
nexthop group will be refreshed and become valid (due to the resolution
of its gateway), it'll mistakenly overwrite the existing entry.
Example:
192.168.200.0/24 dev enp3s0np3 scope link metric 1000 offload
192.168.200.0/24 via 192.168.100.1 dev enp3s0np3 metric 1000 offload
Both routes are marked as offloaded despite the fact only the first one
should actually be present in the device's table.
When refreshing the nexthop group, don't write the route to the device's
table unless it's the first in its node.
Fixes: 9aecce1c7d97 ("mlxsw: spectrum_router: Correctly handle identical routes")
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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This patch extends the existing generic power domain debugfs.
Changes involve the following
- Introduce a unique debugfs entry for each generic power domain with the
following attributes
- current_state - Displays current state of the domain.
- devices - Displays the devices associated with this domain.
- sub_domains - Displays the sub power domains.
- active_time - Displays the time the domain was in active state
in ms.
- total_idle_time - Displays the time the domain was in any of the idle
states in ms.
- idle_states - Displays the various idle states and the time
spent in each idle state in ms.
Signed-off-by: Thara Gopinath <thara.gopinath@linaro.org>
Acked-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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This patch adds support to calculate the time spent by the generic
power domains in on and various idle states.
Signed-off-by: Thara Gopinath <thara.gopinath@linaro.org>
Acked-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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The mediatek ethernet driver uses interrupts but does not explicitly
include linux/interrupt.h, relying on implicit includes. Fix this so we
don't get build breaks as happened for ARM in next-20170720.
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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There is some codes of tun/tap module which did not check the return
value of register_netdevice_notifier. Add the check now.
Signed-off-by: Tonghao Zhang <xiangxia.m.yue@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Potential dangerous invalid memory might be accessed if invalid mac value
reflected from the forward port field in rxd4 caused by possible potential
hardware defects. So added a simple sanity checker to avoid the kind of
situation happening.
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Acked-by: John Crispin <john@phrozen.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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To save someone the time of searching the ACPI spec for
"Static Resource Affinity Table".
Signed-off-by: Ross Zwisler <ross.zwisler@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Switch thunderbolt to the new uuid type.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Amir Goldstein <amir73il@gmail.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
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The iHome keypad also requires the same tweak we are doing for other
Ortek devices.
Reported-by: Mairin Duffy <duffy@redhat.com>
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Since thread_group worker and raid5d kthread are not in sync, if
worker writes stripe before raid5d then requests will be waiting
for issue_pendig.
Issue observed when building raid5 with ext4, in some build runs
jbd2 would get hung and requests were waiting in the HW engine
waiting to be issued.
Fix this by adding a call to async_tx_issue_pending_all in the
raid5_do_work.
Signed-off-by: Ofer Heifetz <oferh@marvell.com>
Cc: stable@vger.kernel.org
Signed-off-by: Shaohua Li <shli@fb.com>
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This patch fixes the following sparse warnings:
drivers/block/xen-blkfront.c:916:45: warning: incorrect type in argument 2 (different base types)
drivers/block/xen-blkfront.c:916:45: expected restricted blk_status_t [usertype] error
drivers/block/xen-blkfront.c:916:45: got int [signed] error
drivers/block/xen-blkfront.c:1599:47: warning: incorrect type in assignment (different base types)
drivers/block/xen-blkfront.c:1599:47: expected int [signed] error
drivers/block/xen-blkfront.c:1599:47: got restricted blk_status_t [usertype] <noident>
drivers/block/xen-blkfront.c:1607:55: warning: incorrect type in assignment (different base types)
drivers/block/xen-blkfront.c:1607:55: expected int [signed] error
drivers/block/xen-blkfront.c:1607:55: got restricted blk_status_t [usertype] <noident>
drivers/block/xen-blkfront.c:1625:55: warning: incorrect type in assignment (different base types)
drivers/block/xen-blkfront.c:1625:55: expected int [signed] error
drivers/block/xen-blkfront.c:1625:55: got restricted blk_status_t [usertype] <noident>
drivers/block/xen-blkfront.c:1628:62: warning: restricted blk_status_t degrades to integer
Compile-tested only.
Fixes: commit 2a842acab109 ("block: introduce new block status code type")
Signed-off-by: Bart Van Assche <bart.vanassche@wdc.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: Roger Pau Monné <roger.pau@citrix.com>
Cc: <xen-devel@lists.xenproject.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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The current CPU clock is missing the option to change the rate of its
parents, leading to improper rates calculated by cpufreq, and eventually
crashes.
Cc: <stable@vger.kernel.org>
Fixes: 5e73761786d6 ("clk: sunxi-ng: Add sun5i CCU driver")
Reported-by: Kevin Hilman <khilman@baylibre.com>
Acked-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
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When we are translating channel data addresses from guest to host
address space for TIC instructions we are getting incorrect
addresses because of a pointer arithmetic error.
We currently calculate the offset of the TIC's cda from the start
of the channel program chain (ccw->cda - ccw_head). We then add
that to the address of the ccw chain in host memory (iter->ch_ccw).
The problem is that iter->ch_ccw is a pointer to struct ccw1 so
when we increment it we are actually incrementing by the size of
struct ccw1 which is 8 bytes. The intent was to increment by
n-bytes, not n*8.
The fix: cast iter->ch_ccw to char* so it will be incremented by
n*1.
Reviewed-by: Dong Jia Shi <bjsdjshi@linux.vnet.ibm.com>
Signed-off-by: Jason J. Herne <jjherne@linux.vnet.ibm.com>
Signed-off-by: Dong Jia Shi <bjsdjshi@linux.vnet.ibm.com>
Message-Id: <20170721011436.76112-1-bjsdjshi@linux.vnet.ibm.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
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git://people.freedesktop.org/~syeh/repos_linux into drm-fixes
misc vmwgfx fixes.
* 'drm-vmwgfx-fixes' of git://people.freedesktop.org/~syeh/repos_linux:
drm/vmwgfx: constify pci_device_id.
drm/vmwgfx: Fix gcc-7.1.1 warning
drm/vmwgfx: Fix cursor hotspot issue with Wayland on Fedora
drm/vmwgfx: Limit max desktop dimensions to 8Kx8K
drm/vmwgfx: dma-buf: Constify ttm_place structures.
drm/vmwgfx: fix comment mistake for vmw_cmd_dx_set_index_buffer()
drm/vmwgfx: Use dma_pool_zalloc
drm/vmwgfx: Fix handling of errors returned by 'vmw_cotable_alloc()'
drm/vmwgfx: Fix NULL pointer comparison
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