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The Scalable-mode Page-walk Coherency (SMPWC) field in the VT-d extended
capability register indicates the hardware coherency behavior on paging
structures accessed through the pasid table entry. This is ignored in
current code and using ECAP.C instead which is only valid in legacy mode.
Fix this so that paging structure updates could be manually flushed from
the cache line if hardware page walking is not snooped.
Fixes: 765b6a98c1de3 ("iommu/vt-d: Enumerate the scalable mode capability")
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Cc: Ashok Raj <ashok.raj@intel.com>
Cc: Kevin Tian <kevin.tian@intel.com>
Cc: Jacob Pan <jacob.jun.pan@linux.intel.com>
Link: https://lore.kernel.org/r/20200622231345.29722-6-baolu.lu@linux.intel.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
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PCI ACS is disabled if Intel IOMMU is off by default or intel_iommu=off
is used in command line. Unfortunately, Intel IOMMU will be forced on if
there're devices sitting on an external facing PCI port that is marked
as untrusted (for example, thunderbolt peripherals). That means, PCI ACS
is disabled while Intel IOMMU is forced on to isolate those devices. As
the result, the devices of an MFD will be grouped by a single group even
the ACS is supported on device.
[ 0.691263] pci 0000:00:07.1: Adding to iommu group 3
[ 0.691277] pci 0000:00:07.2: Adding to iommu group 3
[ 0.691292] pci 0000:00:07.3: Adding to iommu group 3
Fix it by requesting PCI ACS when Intel IOMMU is detected with platform
opt in hint.
Fixes: 89a6079df791a ("iommu/vt-d: Force IOMMU on for platform opt in hint")
Co-developed-by: Lalithambika Krishnakumar <lalithambika.krishnakumar@intel.com>
Signed-off-by: Lalithambika Krishnakumar <lalithambika.krishnakumar@intel.com>
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Cc: Mika Westerberg <mika.westerberg@linux.intel.com>
Cc: Ashok Raj <ashok.raj@intel.com>
Link: https://lore.kernel.org/r/20200622231345.29722-5-baolu.lu@linux.intel.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
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Currently, an external malicious PCI device can masquerade the VID:PID
of faulty gfx devices, and thus apply iommu quirks to effectively
disable the IOMMU restrictions for itself.
Thus we need to ensure that the device we are applying quirks to, is
indeed an internal trusted device.
Signed-off-by: Rajat Jain <rajatja@google.com>
Reviewed-by: Ashok Raj <ashok.raj@intel.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Acked-by: Lu Baolu <baolu.lu@linux.intel.com>
Link: https://lore.kernel.org/r/20200622231345.29722-4-baolu.lu@linux.intel.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
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When using first-level translation for IOVA, currently the U/S bit in the
page table is cleared which implies DMA requests with user privilege are
blocked. As the result, following error messages might be observed when
passing through a device to user level:
DMAR: DRHD: handling fault status reg 3
DMAR: [DMA Read] Request device [41:00.0] PASID 1 fault addr 7ecdcd000
[fault reason 129] SM: U/S set 0 for first-level translation
with user privilege
This fixes it by setting U/S bit in the first level page table and makes
IOVA over first level compatible with previous second-level translation.
Fixes: b802d070a52a1 ("iommu/vt-d: Use iova over first level")
Reported-by: Xin Zeng <xin.zeng@intel.com>
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Link: https://lore.kernel.org/r/20200622231345.29722-3-baolu.lu@linux.intel.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
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Current Intel SVM is designed by setting the pgd_t of the processor page
table to FLPTR field of the PASID entry. The first level translation only
supports 4 and 5 level paging structures, hence it's infeasible for the
IOMMU to share a processor's page table when it's running in 32-bit mode.
Let's disable 32bit support for now and claim support only when all the
missing pieces are ready in the future.
Fixes: 1c4f88b7f1f92 ("iommu/vt-d: Shared virtual address in scalable mode")
Suggested-by: Joerg Roedel <jroedel@suse.de>
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Link: https://lore.kernel.org/r/20200622231345.29722-2-baolu.lu@linux.intel.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
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Add Tiger Lake device ids H for HECI1.
TGH_H is also used in Tatlow SPS platform we need to
disable the mei interface there.
Cc: <stable@vger.kernel.org>
Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Link: https://lore.kernel.org/r/20200619165121.2145330-7-tomas.winkler@intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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For SPS firmware versions 5.0 and newer the way detection has changed.
The detection is done now via PCI_CFG_HFS_3 register.
To prevent conflict the previous method will get sps_4 suffix
Disable both CNP_H and CNP_H_3 interfaces. CNP_H_3 requires
a separate configuration as it doesn't support DMA.
Cc: <stable@vger.kernel.org>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Link: https://lore.kernel.org/r/20200619165121.2145330-1-tomas.winkler@intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The binder driver makes the assumption proc->context pointer is invariant after
initialization (as documented in the kerneldoc header for struct proc).
However, in commit f0fe2c0f050d ("binder: prevent UAF for binderfs devices II")
proc->context is set to NULL during binder_deferred_release().
Another proc was in the middle of setting up a transaction to the dying
process and crashed on a NULL pointer deref on "context" which is a local
set to &proc->context:
new_ref->data.desc = (node == context->binder_context_mgr_node) ? 0 : 1;
Here's the stack:
[ 5237.855435] Call trace:
[ 5237.855441] binder_get_ref_for_node_olocked+0x100/0x2ec
[ 5237.855446] binder_inc_ref_for_node+0x140/0x280
[ 5237.855451] binder_translate_binder+0x1d0/0x388
[ 5237.855456] binder_transaction+0x2228/0x3730
[ 5237.855461] binder_thread_write+0x640/0x25bc
[ 5237.855466] binder_ioctl_write_read+0xb0/0x464
[ 5237.855471] binder_ioctl+0x30c/0x96c
[ 5237.855477] do_vfs_ioctl+0x3e0/0x700
[ 5237.855482] __arm64_sys_ioctl+0x78/0xa4
[ 5237.855488] el0_svc_common+0xb4/0x194
[ 5237.855493] el0_svc_handler+0x74/0x98
[ 5237.855497] el0_svc+0x8/0xc
The fix is to move the kfree of the binder_device to binder_free_proc()
so the binder_device is freed when we know there are no references
remaining on the binder_proc.
Fixes: f0fe2c0f050d ("binder: prevent UAF for binderfs devices II")
Acked-by: Christian Brauner <christian.brauner@ubuntu.com>
Signed-off-by: Todd Kjos <tkjos@google.com>
Cc: stable <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20200622200715.114382-1-tkjos@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Syzbot reports an use-after-free in workqueue context:
BUG: KASAN: use-after-free in mutex_unlock+0x19/0x40 kernel/locking/mutex.c:737
mutex_unlock+0x19/0x40 kernel/locking/mutex.c:737
__smsc95xx_mdio_read drivers/net/usb/smsc95xx.c:217 [inline]
smsc95xx_mdio_read+0x583/0x870 drivers/net/usb/smsc95xx.c:278
check_carrier+0xd1/0x2e0 drivers/net/usb/smsc95xx.c:644
process_one_work+0x777/0xf90 kernel/workqueue.c:2274
worker_thread+0xa8f/0x1430 kernel/workqueue.c:2420
kthread+0x2df/0x300 kernel/kthread.c:255
It looks like that smsc95xx_unbind() is freeing the structures that are
still in use by the concurrently running workqueue callback. Thus switch
to using cancel_delayed_work_sync() to ensure the work callback really
is no longer active.
Reported-by: syzbot+29dc7d4ae19b703ff947@syzkaller.appspotmail.com
Signed-off-by: Tuomas Tynkkynen <tuomas.tynkkynen@iki.fi>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The second commit cited below performed a cast of 'u32 buffsize' to
'(u16 *)' when calling mlxsw_sp_port_headroom_8x_adjust():
mlxsw_sp_port_headroom_8x_adjust(mlxsw_sp_port, (u16 *) &buffsize);
Colin noted that this will behave differently on big endian
architectures compared to little endian architectures.
Fix this by following Colin's suggestion and have the function accept
and return 'u32' instead of passing the current size by reference.
Fixes: da382875c616 ("mlxsw: spectrum: Extend to support Spectrum-3 ASIC")
Fixes: 60833d54d56c ("mlxsw: spectrum: Adjust headroom buffers for 8x ports")
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Reported-by: Colin Ian King <colin.king@canonical.com>
Suggested-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Commit 7ae7ad2f11ef47 ("net: phy: smsc: use phy_read_poll_timeout()
to simplify the code") will print a lot of logs as follows when Ethernet
cable is not connected:
[ 4.473105] SMSC LAN8710/LAN8720 2188000.ethernet-1:00: lan87xx_read_status failed: -110
When wait 640 ms for check ENERGYON bit, the timeout should not be
regarded as an actual error and an error message also should not be
printed. due to a hardware bug in LAN87XX device, it leads to unstable
detection of plugging in Ethernet cable when LAN87xx is in Energy Detect
Power-Down mode. the workaround for it involves, when the link is down,
and at each read_status() call:
- disable EDPD mode, forcing the PHY out of low-power mode
- waiting 640ms to see if we have any energy detected from the media
- re-enable entry to EDPD mode
This is presumably enough to allow the PHY to notice that a cable is
connected, and resume normal operations to negotiate with the partner.
The problem is that when no media is detected, the 640ms wait times
out and this commit was modified to prints an error message. it is an
inappropriate conversion by used phy_read_poll_timeout() to introduce
this bug. so fix this issue by use read_poll_timeout() to replace
phy_read_poll_timeout().
Fixes: 7ae7ad2f11ef47 ("net: phy: smsc: use phy_read_poll_timeout() to simplify the code")
Reported-by: Kevin Groeneveld <kgroeneveld@gmail.com>
Signed-off-by: Dejin Zheng <zhengdejin5@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Currently, when RMPP MADs are processed while the MAD agent is destroyed,
it could result in use after free of rmpp_recv, as decribed below:
cpu-0 cpu-1
----- -----
ib_mad_recv_done()
ib_mad_complete_recv()
ib_process_rmpp_recv_wc()
unregister_mad_agent()
ib_cancel_rmpp_recvs()
cancel_delayed_work()
process_rmpp_data()
start_rmpp()
queue_delayed_work(rmpp_recv->cleanup_work)
destroy_rmpp_recv()
free_rmpp_recv()
cleanup_work()[1]
spin_lock_irqsave(&rmpp_recv->agent->lock) <-- use after free
[1] cleanup_work() == recv_cleanup_handler
Fix it by waiting for the MAD agent reference count becoming zero before
calling to ib_cancel_rmpp_recvs().
Fixes: 9a41e38a467c ("IB/mad: Use IDR for agent IDs")
Link: https://lore.kernel.org/r/20200621104738.54850-2-leon@kernel.org
Signed-off-by: Shay Drory <shayd@mellanox.com>
Reviewed-by: Maor Gottlieb <maorg@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
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Don't deref udata if it is NULL
BUG: kernel NULL pointer dereference, address: 0000000000000030
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 0 P4D 0
Oops: 0000 SMP PTI
CPU: 2 PID: 1592 Comm: python3 Not tainted 5.7.0-rc6+ #1
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.1-0-ga5cab58e9a3f-prebuilt.qemu.org 04/01/2014
RIP: 0010:create_qp+0x39e/0xae0 [mlx5_ib]
Code: c0 0d 00 00 bf 10 01 00 00 e8 be a9 e4 e0 48 85 c0 49 89 c2 0f 84 0c 07 00 00 41 8b 85 74 63 01 00 0f c8 a9 00 00 00 10 74 0a <41> 8b 46 30 0f c8 41 89 42 14 41 8b 52 18 41 0f b6 4a 1c 0f ca 89
RSP: 0018:ffffc9000067f8b0 EFLAGS: 00010206
RAX: 0000000010170000 RBX: ffff888441313000 RCX: 0000000000000000
RDX: 0000000000000200 RSI: 0000000000000000 RDI: ffff88845b1d4400
RBP: ffffc9000067fa60 R08: 0000000000000200 R09: ffff88845b1d4200
R10: ffff88845b1d4200 R11: ffff888441313000 R12: ffffc9000067f950
R13: ffff88846ac00140 R14: 0000000000000000 R15: ffff88846c2bc000
FS: 00007faa1a3c0540(0000) GS:ffff88846fd00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000030 CR3: 0000000446dca003 CR4: 0000000000760ea0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
PKRU: 55555554
Call Trace:
? __switch_to_asm+0x40/0x70
? __switch_to_asm+0x34/0x70
mlx5_ib_create_qp+0x897/0xfa0 [mlx5_ib]
ib_create_qp+0x9e/0x300 [ib_core]
create_qp+0x92d/0xb20 [ib_uverbs]
? ib_uverbs_cq_event_handler+0x30/0x30 [ib_uverbs]
? release_resource+0x30/0x30
ib_uverbs_create_qp+0xc4/0xe0 [ib_uverbs]
ib_uverbs_handler_UVERBS_METHOD_INVOKE_WRITE+0xc8/0xf0 [ib_uverbs]
ib_uverbs_run_method+0x223/0x770 [ib_uverbs]
? track_pfn_remap+0xa7/0x100
? uverbs_disassociate_api+0xd0/0xd0 [ib_uverbs]
? remap_pfn_range+0x358/0x490
ib_uverbs_cmd_verbs.isra.6+0x19b/0x370 [ib_uverbs]
? rdma_umap_priv_init+0x82/0xe0 [ib_core]
? vm_mmap_pgoff+0xec/0x120
ib_uverbs_ioctl+0xc0/0x120 [ib_uverbs]
ksys_ioctl+0x92/0xb0
__x64_sys_ioctl+0x16/0x20
do_syscall_64+0x48/0x130
entry_SYSCALL_64_after_hwframe+0x44/0xa9
Fixes: e383085c2425 ("RDMA/mlx5: Set ECE options during QP create")
Link: https://lore.kernel.org/r/20200621115959.60126-1-leon@kernel.org
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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Query a dynamically-allocated counter before release it, to update it's
hwcounters and log all of them into history data. Otherwise all values of
these hwcounters will be lost.
Fixes: f34a55e497e8 ("RDMA/core: Get sum value of all counters when perform a sysfs stat read")
Link: https://lore.kernel.org/r/20200621110000.56059-1-leon@kernel.org
Signed-off-by: Mark Zhang <markz@mellanox.com>
Reviewed-by: Maor Gottlieb <maorg@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi fixes from Mark Brown:
"Quite a lot of fixes here for no single reason.
There's a collection of the usual sort of device specific fixes and
also a bunch of people have been working on spidev and the userspace
test program spidev_test so they've got an unusually large collection
of small fixes"
* tag 'spi-fix-v5.8-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
spi: spidev: fix a potential use-after-free in spidev_release()
spi: spidev: fix a race between spidev_release and spidev_remove
spi: stm32-qspi: Fix error path in case of -EPROBE_DEFER
spi: uapi: spidev: Use TABs for alignment
spi: spi-fsl-dspi: Free DMA memory with matching function
spi: tools: Add macro definitions to fix build errors
spi: tools: Make default_tx/rx and input_tx static
spi: dt-bindings: amlogic, meson-gx-spicc: Fix schema for meson-g12a
spi: rspi: Use requested instead of maximum bit rate
spi: spidev_test: Use %u to format unsigned numbers
spi: sprd: switch the sequence of setting WDG_LOAD_LOW and _HIGH
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator fixes from Mark Brown:
"This has a fix for the refactoring out of the pickable ranges
functionality, plus the removal of a BROKEN dependency on mt6358 now
that the dependencies were merged in -rc1 and a couple of device
specific fixes"
* tag 'regulator-fix-v5.8-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
regulator: mt6358: Remove BROKEN dependency
regualtor: pfuze100: correct sw1a/sw2 on pfuze3000
regulator: Fix pickable ranges mapping
regulator: da9063: fix LDO9 suspend and warning.
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap
Pull regmap fixes from Mark Brown:
"A few small fixes, none of which are likely to have any substantial
impact here - the most substantial one is a fix for a long standing
memory leak on devices that use register patching which will only have
an impact if the device is removed and re-added"
* tag 'regmap-fix-v5.8-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap:
regmap: Fix memory leak from regmap_register_patch
regmap: fix the kerneldoc for regmap_test_bits()
regmap: fix alignment issue
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Currently, it only removes and add backend, but it will reset vq
position in future commits.
Signed-off-by: Eugenio Pérez <eperezma@redhat.com>
Link: https://lore.kernel.org/r/20200418102217.32327-5-eperezma@redhat.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Virtio-mem managed memory is always detected and added by the virtio-mem
driver, never using something like the firmware-provided memory map.
This is the case after an ordinary system reboot, and has to be guaranteed
after kexec. Especially, virtio-mem added memory resources can contain
inaccessible parts ("unblocked memory blocks"), blindly forwarding them
to a kexec kernel is dangerous, as unplugged memory will get accessed
(esp. written).
Let's use the new way of adding special driver-managed memory introduced
in commit 7b7b27214bba ("mm/memory_hotplug: introduce
add_memory_driver_managed()").
This will result in no entries in /sys/firmware/memmap ("raw firmware-
provided memory map"), the memory resource will be flagged
IORESOURCE_MEM_DRIVER_MANAGED (esp., kexec_file_load() will not place
kexec images on this memory), and it is exposed as "System RAM
(virtio_mem)" in /proc/iomem, so esp. kexec-tools can properly handle it.
Example /proc/iomem before this change:
[...]
140000000-333ffffff : virtio0
140000000-147ffffff : System RAM
334000000-533ffffff : virtio1
338000000-33fffffff : System RAM
340000000-347ffffff : System RAM
348000000-34fffffff : System RAM
[...]
Example /proc/iomem after this change:
[...]
140000000-333ffffff : virtio0
140000000-147ffffff : System RAM (virtio_mem)
334000000-533ffffff : virtio1
338000000-33fffffff : System RAM (virtio_mem)
340000000-347ffffff : System RAM (virtio_mem)
348000000-34fffffff : System RAM (virtio_mem)
[...]
Cc: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Pankaj Gupta <pankaj.gupta.linux@gmail.com>
Cc: teawater <teawaterz@linux.alibaba.com>
Fixes: 5f1f79bbc9e26 ("virtio-mem: Paravirtualized memory hotplug")
Signed-off-by: David Hildenbrand <david@redhat.com>
Link: https://lore.kernel.org/r/20200611093518.5737-1-david@redhat.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Pankaj Gupta <pankaj.gupta.linux@gmail.com>
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Smatch complains that "rc" can be uninitialized if we hit the "break;"
statement on the first iteration through the loop. I suspect that this
can't happen in real life, but returning a zero literal is cleaner and
silence the static checker warning.
Fixes: 5f1f79bbc9e2 ("virtio-mem: Paravirtualized memory hotplug")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: https://lore.kernel.org/r/20200610085911.GC5439@mwanda
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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The "vma->vm_pgoff" variable is an unsigned long so if it's larger than
INT_MAX then "index" can be negative leading to an underflow. Fix this
by changing the type of "index" to "unsigned long".
Fixes: ddd89d0a059d ("vhost_vdpa: support doorbell mapping via mmap")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: https://lore.kernel.org/r/20200610085852.GB5439@mwanda
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Fix two typos in the comments for __vdpa_alloc_device().
Signed-off-by: Jason Wang <jasowang@redhat.com>
Link: https://lore.kernel.org/r/20200527060528.9100-1-jasowang@redhat.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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When running a kernel with Clang's Control Flow Integrity implemented,
there is a violation that happens when accessing
/sys/firmware/acpi/pm_profile:
$ cat /sys/firmware/acpi/pm_profile
0
$ dmesg
...
[ 17.352564] ------------[ cut here ]------------
[ 17.352568] CFI failure (target: acpi_show_profile+0x0/0x8):
[ 17.352572] WARNING: CPU: 3 PID: 497 at kernel/cfi.c:29 __cfi_check_fail+0x33/0x40
[ 17.352573] Modules linked in:
[ 17.352575] CPU: 3 PID: 497 Comm: cat Tainted: G W 5.7.0-microsoft-standard+ #1
[ 17.352576] RIP: 0010:__cfi_check_fail+0x33/0x40
[ 17.352577] Code: 48 c7 c7 50 b3 85 84 48 c7 c6 50 0a 4e 84 e8 a4 d8 60 00 85 c0 75 02 5b c3 48 c7 c7 dc 5e 49 84 48 89 de 31 c0 e8 7d 06 eb ff <0f> 0b 5b c3 00 00 cc cc 00 00 cc cc 00 85 f6 74 25 41 b9 ea ff ff
[ 17.352577] RSP: 0018:ffffaa6dc3c53d30 EFLAGS: 00010246
[ 17.352578] RAX: 331267e0c06cee00 RBX: ffffffff83d85890 RCX: ffffffff8483a6f8
[ 17.352579] RDX: ffff9cceabbb37c0 RSI: 0000000000000082 RDI: ffffffff84bb9e1c
[ 17.352579] RBP: ffffffff845b2bc8 R08: 0000000000000001 R09: ffff9cceabbba200
[ 17.352579] R10: 000000000000019d R11: 0000000000000000 R12: ffff9cc947766f00
[ 17.352580] R13: ffffffff83d6bd50 R14: ffff9ccc6fa80000 R15: ffffffff845bd328
[ 17.352582] FS: 00007fdbc8d13580(0000) GS:ffff9cce91ac0000(0000) knlGS:0000000000000000
[ 17.352582] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 17.352583] CR2: 00007fdbc858e000 CR3: 00000005174d0000 CR4: 0000000000340ea0
[ 17.352584] Call Trace:
[ 17.352586] ? rev_id_show+0x8/0x8
[ 17.352587] ? __cfi_check+0x45bac/0x4b640
[ 17.352589] ? kobj_attr_show+0x73/0x80
[ 17.352590] ? sysfs_kf_seq_show+0xc1/0x140
[ 17.352592] ? ext4_seq_options_show.cfi_jt+0x8/0x8
[ 17.352593] ? seq_read+0x180/0x600
[ 17.352595] ? sysfs_create_file_ns.cfi_jt+0x10/0x10
[ 17.352596] ? tlbflush_read_file+0x8/0x8
[ 17.352597] ? __vfs_read+0x6b/0x220
[ 17.352598] ? handle_mm_fault+0xa23/0x11b0
[ 17.352599] ? vfs_read+0xa2/0x130
[ 17.352599] ? ksys_read+0x6a/0xd0
[ 17.352601] ? __do_sys_getpgrp+0x8/0x8
[ 17.352602] ? do_syscall_64+0x72/0x120
[ 17.352603] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 17.352604] ---[ end trace 7b1fa81dc897e419 ]---
When /sys/firmware/acpi/pm_profile is read, sysfs_kf_seq_show is called,
which in turn calls kobj_attr_show, which gets the ->show callback
member by calling container_of on attr (casting it to struct
kobj_attribute) then calls it.
There is a CFI violation because pm_profile_attr is of type
struct device_attribute but kobj_attr_show calls ->show expecting it
to be from struct kobj_attribute. CFI checking ensures that function
pointer types match when doing indirect calls. Fix pm_profile_attr to
be defined in terms of kobj_attribute so there is no violation or
mismatch.
Fixes: 362b646062b2 ("ACPI: Export FADT pm_profile integer value to userspace")
Link: https://github.com/ClangBuiltLinux/linux/issues/1051
Reported-by: yuu ichii <byahu140@heisei.be>
Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
Cc: 3.10+ <stable@vger.kernel.org> # 3.10+
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Like other vectors already patched, this one here allows the root
user to load ACPI tables, which enables arbitrary physical address
writes, which in turn makes it possible to disable lockdown.
Prevents this by checking the lockdown status before allowing a new
ACPI table to be installed. The link in the trailer shows a PoC of
how this might be used.
Link: https://git.zx2c4.com/american-unsigned-language/tree/american-unsigned-language-2.sh
Cc: 5.4+ <stable@vger.kernel.org> # 5.4+
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pin control fixes from Linus Walleij:
"Some early fixes collected during the first week after the merge
window, all pretty self-evident, with the details below. The revert is
the crucial thing.
- Fix a warning on the Qualcomm SPMI GPIO chip being instatiated
twice without a unique irqchip struct
- Use the noirq variants of the suspend and resume callbacks in the
Tegra driver
- Clean up the errorpath on the MCP23s08 driver
- Revert the use of devm_of_iomap() in the Freescale driver as it was
regressing the platform
- Add some missing pins in the Qualcomm IPQ6018 driver
- Fix a simple documentation bug in the pinctrl-single driver"
* tag 'pinctrl-v5.8-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl:
pinctrl: single: fix function name in documentation
pinctrl: qcom: ipq6018 Add missing pins in qpic pin group
Revert "pinctrl: freescale: imx: Use 'devm_of_iomap()' to avoid a resource leak in case of error in 'imx_pinctrl_probe()'"
pinctrl: mcp23s08: Split to three parts: fix ptr_ret.cocci warnings
pinctrl: tegra: Use noirq suspend/resume callbacks
pinctrl: qcom: spmi-gpio: fix warning about irq chip reusage
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git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto fixes from Herbert Xu:
- NULL dereference in octeontx
- PM reference imbalance in ks-sa
- deadlock in crypto manager
- memory leak in drbg
- missing socket limit check on receive SG list size in algif_skcipher
- typos in caam
- warnings in ccp and hisilicon
* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
crypto: drbg - always try to free Jitter RNG instance
crypto: marvell/octeontx - Fix a potential NULL dereference
crypto: algboss - don't wait during notifier callback
crypto: caam - fix typos
crypto: ccp - Fix sparse warnings in sev-dev
crypto: hisilicon - Cap block size at 2^31
crypto: algif_skcipher - Cap recv SG list at ctx->used
hwrng: ks-sa - Fix runtime PM imbalance on error
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Fix the recent regression.
Fixes: dbc7ece12a38 ("video: uvesafb: use true,false for bool variables")
Cc: Jason Yan <yanaijie@huawei.com>
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/81c9f140-d6fb-803a-18c8-04dae1007ab3@samsung.com
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Add connector type for newhaven_nhd_43_480272ef_atxl, as
drm_panel_bridge_add() requires connector type to be set.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Cc: stable@vger.kernel.org # v5.5+
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20200609102809.753203-1-tomi.valkeinen@ti.com
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The LogicPD Type28 display used by several Logic PD products has not
worked since v5.6.
The connector type for the LogicPD Type 28 display is missing and
drm_panel_bridge_add() requires connector type to be set.
Signed-off-by: Adam Ford <aford173@gmail.com>
Fixes: 0d35408afbeb ("drm/panel: simple: Add Logic PD Type 28 display support")
Cc: Adam Ford <aford173@gmail.com>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: Thierry Reding <thierry.reding@gmail.com>
Cc: dri-devel@lists.freedesktop.org
Cc: <stable@vger.kernel.org> # v5.6+
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20200615131934.12440-1-aford173@gmail.com
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git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"One minor fix and two patches reworking the ata dma drain for the
!CONFIG_LIBATA case. The latter is a 5.7 regression fix"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: Wire up ata_scsi_dma_need_drain for SAS HBA drivers
scsi: libata: Provide an ata_scsi_dma_need_drain stub for !CONFIG_ATA
scsi: ufs-bsg: Fix runtime PM imbalance on error
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git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c fixes from Wolfram Sang:
- a small collection of remaining API conversion patches (all acked)
which allow to finally remove the deprecated API
- some documentation fixes and a MAINTAINERS addition
* 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
MAINTAINERS: Add robert and myself as qcom i2c cci maintainers
i2c: smbus: Fix spelling mistake in the comments
Documentation/i2c: SMBus start signal is S not A
i2c: remove deprecated i2c_new_device API
Documentation: media: convert to use i2c_new_client_device()
video: backlight: tosa_lcd: convert to use i2c_new_client_device()
x86/platform/intel-mid: convert to use i2c_new_client_device()
drm: encoder_slave: use new I2C API
drm: encoder_slave: fix refcouting error for modules
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Select DRM_KMS_HELPER dependency.
Build error when DRM_KMS_HELPER is not selected:
drivers/gpu/drm/rcar-du/rcar_lvds.o:(.rodata+0xd48): undefined reference to `drm_atomic_helper_bridge_duplicate_state'
drivers/gpu/drm/rcar-du/rcar_lvds.o:(.rodata+0xd50): undefined reference to `drm_atomic_helper_bridge_destroy_state'
drivers/gpu/drm/rcar-du/rcar_lvds.o:(.rodata+0xd70): undefined reference to `drm_atomic_helper_bridge_reset'
drivers/gpu/drm/rcar-du/rcar_lvds.o:(.rodata+0xdc8): undefined reference to `drm_atomic_helper_connector_reset'
drivers/gpu/drm/rcar-du/rcar_lvds.o:(.rodata+0xde0): undefined reference to `drm_helper_probe_single_connector_modes'
drivers/gpu/drm/rcar-du/rcar_lvds.o:(.rodata+0xe08): undefined reference to `drm_atomic_helper_connector_duplicate_state'
drivers/gpu/drm/rcar-du/rcar_lvds.o:(.rodata+0xe10): undefined reference to `drm_atomic_helper_connector_destroy_state'
Fixes: c6a27fa41fab ("drm: rcar-du: Convert LVDS encoder code to bridge driver")
Cc: <stable@vger.kernel.org>
Signed-off-by: Daniel Gomez <dagmcr@gmail.com>
Reviewed-by: Emil Velikov <emil.l.velikov@gmail.com>
Reviewed-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
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Typically the firmware takes care that tp->ocp_base is reset to its
default value. That's not the case (at least) for RTL8117.
As a result subsequent PHY access reads/writes the wrong page and
the link is broken. Fix this be resetting tp->ocp_base explicitly.
Fixes: 229c1e0dfd3d ("r8169: load firmware for RTL8168fp/RTL8117")
Reported-by: Aaron Ma <mapengyu@gmail.com>
Tested-by: Aaron Ma <mapengyu@gmail.com>
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Continue the reset path when partner adapter is not ready or H_CLOSED is
returned from reset crq. This patch allows the CRQ init to proceed to
establish a valid CRQ for traffic to flow after reset.
Signed-off-by: Dany Madden <drt@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Even with moving netif_tx_disable() to an earlier point when
taking down the queues for a reconfiguration, we still end
up with the occasional netdev watchdog Tx Timeout complaint.
The old method of using netif_trans_update() works fine for
queue 0, but has no effect on the remaining queues. Using
netif_device_detach() allows us to signal to the watchdog to
ignore us for the moment.
Fixes: beead698b173 ("ionic: Add the basic NDO callbacks for netdev support")
Signed-off-by: Shannon Nelson <snelson@pensando.io>
Acked-by: Jonathan Toppins <jtoppins@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Use the correct the function name in the documentation for
"pcs_parse_one_pinctrl_entry()".
"smux_parse_one_pinctrl_entry()" appears to be an artifact from the
development of a prior patch series ("simple pinmux driver") which
transformed into pinctrl-single.
Signed-off-by: Drew Fustini <drew@beagleboard.org>
Link: https://lore.kernel.org/r/20200612112758.GA3407886@x1
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm
Pull libnvdimm updates from Dan Williams:
"A feature (papr_scm health retrieval) and a fix (sysfs attribute
visibility) for v5.8.
Vaibhav explains in the merge commit below why missing v5.8 would be
painful and I agreed to try a -rc2 pull because only cosmetics kept
this out of -rc1 and his initial versions were posted in more than
enough time for v5.8 consideration:
'These patches are tied to specific features that were committed to
customers in upcoming distros releases (RHEL and SLES) whose
time-lines are tied to 5.8 kernel release.
Being able to track the health of an nvdimm is critical for our
customers that are running workloads leveraging papr-scm nvdimms.
Missing the 5.8 kernel would mean missing the distro timelines and
shifting forward the availability of this feature in distro kernels
by at least 6 months'
Summary:
- Fix the visibility of the region 'align' attribute.
The new unit tests for region alignment handling caught a corner
case where the alignment cannot be specified if the region is
converted from static to dynamic provisioning at runtime.
- Add support for device health retrieval for the persistent memory
supported by the papr_scm driver.
This includes both the standard sysfs "health flags" that the nfit
persistent memory driver publishes and a mechanism for the ndctl
tool to retrieve a health-command payload"
* tag 'libnvdimm-for-5.8-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm:
nvdimm/region: always show the 'align' attribute
powerpc/papr_scm: Implement support for PAPR_PDSM_HEALTH
ndctl/papr_scm,uapi: Add support for PAPR nvdimm specific methods
powerpc/papr_scm: Improve error logging and handling papr_scm_ndctl()
powerpc/papr_scm: Fetch nvdimm health information from PHYP
seq_buf: Export seq_buf_printf
powerpc: Document details on H_SCM_HEALTH hcall
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The patch adds missing qpic data pins to qpic pingroup. These pins are
necessary for the qpic nand to work.
Fixes: ef1ea54eab0e ("pinctrl: qcom: Add ipq6018 pinctrl driver")
Signed-off-by: Sivaprakash Murugesan <sivaprak@codeaurora.org>
Link: https://lore.kernel.org/r/1592541089-17700-1-git-send-email-sivaprak@codeaurora.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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leak in case of error in 'imx_pinctrl_probe()'"
This reverts commit ba403242615c2c99e27af7984b1650771a2cc2c9.
After commit 26d8cde5260b ("pinctrl: freescale: imx: add shared
input select reg support"). i.MX7D has two iomux controllers
iomuxc and iomuxc-lpsr which share select_input register for
daisy chain settings.
If use 'devm_of_iomap()', when probe the iomuxc-lpsr, will call
devm_request_mem_region() for the region <0x30330000-0x3033ffff>
for the first time. Then, next time when probe the iomuxc, API
devm_platform_ioremap_resource() will also use the API
devm_request_mem_region() for the share region <0x30330000-0x3033ffff>
again, then cause issue, log like below:
[ 0.179561] imx7d-pinctrl 302c0000.iomuxc-lpsr: initialized IMX pinctrl driver
[ 0.191742] imx7d-pinctrl 30330000.pinctrl: can't request region for resource [mem 0x30330000-0x3033ffff]
[ 0.191842] imx7d-pinctrl: probe of 30330000.pinctrl failed with error -16
Fixes: ba403242615c ("pinctrl: freescale: imx: Use 'devm_of_iomap()' to avoid a resource leak in case of error in 'imx_pinctrl_probe()'")
Signed-off-by: Haibo Chen <haibo.chen@nxp.com>
Reviewed-by: Dong Aisheng <aisheng.dong@nxp.com>
Link: https://lore.kernel.org/r/1591673223-1680-1-git-send-email-haibo.chen@nxp.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 fixes from Vasily Gorbik:
- a few ptrace fixes mostly for strace and seccomp_bpf kernel tests
findings
- cleanup unused pm callbacks in virtio ccw
- replace kmalloc + memset with kzalloc in crypto
- use $(LD) for vDSO linkage to make clang happy
- fix vDSO clock_getres() to preserve the same behaviour as
posix_get_hrtimer_res()
- fix workqueue cpumask warning when NUMA=n and nr_node_ids=2
- reduce SLSB writes during input processing, improve warnings and
cleanup qdio_data usage in qdio
- a few fixes to use scnprintf() instead of snprintf()
* tag 's390-5.8-2' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390: fix syscall_get_error for compat processes
s390/qdio: warn about unexpected SLSB states
s390/qdio: clean up usage of qdio_data
s390/numa: let NODES_SHIFT depend on NEED_MULTIPLE_NODES
s390/vdso: fix vDSO clock_getres()
s390/vdso: Use $(LD) instead of $(CC) to link vDSO
s390/protvirt: use scnprintf() instead of snprintf()
s390: use scnprintf() in sys_##_prefix##_##_name##_show
s390/crypto: use scnprintf() instead of snprintf()
s390/zcrypt: use kzalloc
s390/virtio: remove unused pm callbacks
s390/qdio: reduce SLSB writes during Input Queue processing
selftests/seccomp: s390 shares the syscall and return value register
s390/ptrace: fix setting syscall number
s390/ptrace: pass invalid syscall numbers to tracing
s390/ptrace: return -ENOSYS when invalid syscall is supplied
s390/seccomp: pass syscall arguments via seccomp_data
s390/qdio: fine-tune SLSB update
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The max MTU limit defined for ibmveth is not accounting for
virtual ethernet buffer overhead, which is twenty-two additional
bytes set aside for the ethernet header and eight additional bytes
of an opaque handle reserved for use by the hypervisor. Update the
max MTU to reflect this overhead.
Fixes: d894be57ca92 ("ethernet: use net core MTU range checking in more drivers")
Fixes: 110447f8269a ("ethernet: fix min/max MTU typos")
Signed-off-by: Thomas Falcon <tlfalcon@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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If the representor is removed, then identify the indirect flow_blocks
that need to be removed by the release callback and the port representor
structure. To identify the port representor structure, a new
indr.cb_priv field needs to be introduced. The flow_block also needs to
be removed from the driver list from the cleanup path.
Fixes: 1fac52da5942 ("net: flow_offload: consolidate indirect flow_block infrastructure")
Signed-off-by: wenxu <wenxu@ucloud.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
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Prepare fix the bug in the next patch. use flow_indr_block_cb_alloc/remove
function and remove the __flow_block_indr_binding.
Signed-off-by: wenxu <wenxu@ucloud.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Currently, trying to change the DF parameter of a geneve device does
nothing:
# ip -d link show geneve1
14: geneve1: <snip>
link/ether <snip>
geneve id 1 remote 10.0.0.1 ttl auto df set dstport 6081 <snip>
# ip link set geneve1 type geneve id 1 df unset
# ip -d link show geneve1
14: geneve1: <snip>
link/ether <snip>
geneve id 1 remote 10.0.0.1 ttl auto df set dstport 6081 <snip>
We just need to update the value in geneve_changelink.
Fixes: a025fb5f49ad ("geneve: Allow configuration of DF behaviour")
Signed-off-by: Sabrina Dubroca <sd@queasysnail.net>
Reviewed-by: Stefano Brivio <sbrivio@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
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VLAN tag insertion/extraction offload is correctly
activated at probe time but deactivation of this feature
(i.e. via ethtool) is broken. Toggling works only for
Tx/Rx ring 0 of a PF, and is ignored for the other rings,
including the VF rings.
To fix this, the existing VLAN offload toggling code
was extended to all the rings assigned to a netdevice,
instead of the default ring 0 (likely a leftover from the
early validation days of this feature). And the code was
moved to the common set_features() function to fix toggling
for the VF driver too.
Fixes: d4fd0404c1c9 ("enetc: Introduce basic PF and VF ENETC ethernet drivers")
Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Undo previously done operation in case macb_phylink_connect()
fails. Since macb_reset_hw() is the 1st undo operation the
napi_exit label was renamed to reset_hw.
Fixes: 7897b071ac3b ("net: macb: convert to phylink")
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Acked-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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|
Commit 02a6efcab675 ("net: phy: allow scanning busses with missing
phys") added a special condition to return -ENODEV in case -ENODEV or
-EIO was returned from the first read of the MII_PHYSID1 register.
In case the MDIO bus data line pull-up is not strong enough, the MDIO
bus controller will not flag this as a read error. This can happen when
a pluggable daughter card is not connected and weak internal pull-ups
are used (since that is the only option, otherwise the pins are
floating).
The second read of MII_PHYSID2 will be correctly flagged an error
though, but now we will return -EIO which will be treated as a hard
error, thus preventing MDIO bus scanning loops to continue succesfully.
Apply the same logic to both register reads, thus allowing the scanning
logic to proceed.
Fixes: 02a6efcab675 ("net: phy: allow scanning busses with missing phys")
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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|
Commit 209c65b61d94 ("drivers/of/of_mdio.c:fix of_mdiobus_register()")
introduced a break of the loop on the premise that a successful
registration should exit the loop. The premise is correct but not to
code, because rc && rc != -ENODEV is just a special error condition,
that means we would exit the loop even with rc == -ENODEV which is
absolutely not correct since this is the error code to indicate to the
MDIO bus layer that scanning should continue.
Fix this by explicitly checking for rc = 0 as the only valid condition
to break out of the loop.
Fixes: 209c65b61d94 ("drivers/of/of_mdio.c:fix of_mdiobus_register()")
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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|
Pull block fixes from Jens Axboe:
- Use import_uuid() where appropriate (Andy)
- bcache fixes (Coly, Mauricio, Zhiqiang)
- blktrace sparse warnings fix (Jan)
- blktrace concurrent setup fix (Luis)
- blkdev_get use-after-free fix (Jason)
- Ensure all blk-mq maps are updated (Weiping)
- Loop invalidate bdev fix (Zheng)
* tag 'block-5.8-2020-06-19' of git://git.kernel.dk/linux-block:
block: make function 'kill_bdev' static
loop: replace kill_bdev with invalidate_bdev
partitions/ldm: Replace uuid_copy() with import_uuid() where it makes sense
block: update hctx map when use multiple maps
blktrace: Avoid sparse warnings when assigning q->blk_trace
blktrace: break out of blktrace setup on concurrent calls
block: Fix use-after-free in blkdev_get()
trace/events/block.h: drop kernel-doc for dropped function parameter
blk-mq: Remove redundant 'return' statement
bcache: pr_info() format clean up in bcache_device_init()
bcache: use delayed kworker fo asynchronous devices registration
bcache: check and adjust logical block size for backing devices
bcache: fix potential deadlock problem in btree_gc_coalesce
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Pull libata fixes from Jens Axboe:
"A few minor changes that should go into this release"
* tag 'libata-5.8-2020-06-19' of git://git.kernel.dk/linux-block:
libata: Use per port sync for detach
ata/libata: Fix usage of page address by page_address in ata_scsi_mode_select_xlat function
sata_rcar: handle pm_runtime_get_sync failure cases
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