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This enables the PEX8311 internal PCI wire interrupt and the PEX8311
local interrupt input so the local interrupts are forwarded to the PCI.
Fixes: 585562046628 ("gpio: Add GPIO support for the ACCES PCIe-IDIO-24 family")
Cc: stable@vger.kernel.org
Signed-off-by: Arnaud de Turckheim <quarium@gmail.com>
Reviewed-by: William Breathitt Gray <vilhelm.gray@gmail.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
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This fixes the COS Enable Register value for enabling/disabling the
corresponding IRQs bank.
Fixes: 585562046628 ("gpio: Add GPIO support for the ACCES PCIe-IDIO-24 family")
Cc: stable@vger.kernel.org
Signed-off-by: Arnaud de Turckheim <quarium@gmail.com>
Reviewed-by: William Breathitt Gray <vilhelm.gray@gmail.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
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Fix the bitwise operation to remove only the corresponding bit from the
mask.
Fixes: 585562046628 ("gpio: Add GPIO support for the ACCES PCIe-IDIO-24 family")
Cc: stable@vger.kernel.org
Signed-off-by: Arnaud de Turckheim <quarium@gmail.com>
Reviewed-by: William Breathitt Gray <vilhelm.gray@gmail.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
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Intel Tiger Lake-H has the same Thunderbolt/USB4 controller as Tiger
Lake-LP. Add the Tiger Lake-H PCI IDs to the driver list of supported
devices.
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
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Removing the duplicate gpio chip select level handling in
bcm2835_spi_setup() left the lflags variable uninitialized. Avoid trhe
use of such variable by passing default flags to
gpiochip_request_own_desc().
Fixes: 5e31ba0c0543 ("spi: bcm2835: fix gpio cs level inversion")
Signed-off-by: Martin Hundebøll <martin@geanix.com>
Link: https://lore.kernel.org/r/20201105090615.620315-1-martin@geanix.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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pm_runtime_get_sync() will increment pm usage at first and it
will resume the device later. If runtime of the device has
error or device is in inaccessible state(or other error state),
resume operation will fail. If we do not call put operation to
decrease the reference, the result is that this device cannot
enter the idle state and always stay busy or other non-idle
state.
Fixes: 249fa8217b846 ("USB: Add driver to control USB fast charge for iOS devices")
Signed-off-by: Zhang Qilong <zhangqilong3@huawei.com>
Link: https://lore.kernel.org/r/20201102022650.67115-1-zhangqilong3@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This patch fixes a possible issue when mtu3_gadget_stop()
already assigned NULL to mtu->gadget_driver during mtu_gadget_disconnect().
[<ffffff9008161974>] notifier_call_chain+0xa4/0x128
[<ffffff9008161fd4>] __atomic_notifier_call_chain+0x84/0x138
[<ffffff9008162ec0>] notify_die+0xb0/0x120
[<ffffff900809e340>] die+0x1f8/0x5d0
[<ffffff90080d03b4>] __do_kernel_fault+0x19c/0x280
[<ffffff90080d04dc>] do_bad_area+0x44/0x140
[<ffffff90080d0f9c>] do_translation_fault+0x4c/0x90
[<ffffff9008080a78>] do_mem_abort+0xb8/0x258
[<ffffff90080849d0>] el1_da+0x24/0x3c
[<ffffff9009bde01c>] mtu3_gadget_disconnect+0xac/0x128
[<ffffff9009bd576c>] mtu3_irq+0x34c/0xc18
[<ffffff90082ac03c>] __handle_irq_event_percpu+0x2ac/0xcd0
[<ffffff90082acae0>] handle_irq_event_percpu+0x80/0x138
[<ffffff90082acc44>] handle_irq_event+0xac/0x148
[<ffffff90082b71cc>] handle_fasteoi_irq+0x234/0x568
[<ffffff90082a8708>] generic_handle_irq+0x48/0x68
[<ffffff90082a96ac>] __handle_domain_irq+0x264/0x1740
[<ffffff90080819f4>] gic_handle_irq+0x14c/0x250
[<ffffff9008084cec>] el1_irq+0xec/0x194
[<ffffff90085b985c>] dma_pool_alloc+0x6e4/0xae0
[<ffffff9008d7f890>] cmdq_mbox_pool_alloc_impl+0xb0/0x238
[<ffffff9008d80904>] cmdq_pkt_alloc_buf+0x2dc/0x7c0
[<ffffff9008d80f60>] cmdq_pkt_add_cmd_buffer+0x178/0x270
[<ffffff9008d82320>] cmdq_pkt_perf_begin+0x108/0x148
[<ffffff9008d824d8>] cmdq_pkt_create+0x178/0x1f0
[<ffffff9008f96230>] mtk_crtc_config_default_path+0x328/0x7a0
[<ffffff90090246cc>] mtk_drm_idlemgr_kick+0xa6c/0x1460
[<ffffff9008f9bbb4>] mtk_drm_crtc_atomic_begin+0x1a4/0x1a68
[<ffffff9008e8df9c>] drm_atomic_helper_commit_planes+0x154/0x878
[<ffffff9008f2fb70>] mtk_atomic_complete.isra.16+0xe80/0x19c8
[<ffffff9008f30910>] mtk_atomic_commit+0x258/0x898
[<ffffff9008ef142c>] drm_atomic_commit+0xcc/0x108
[<ffffff9008ef7cf0>] drm_mode_atomic_ioctl+0x1c20/0x2580
[<ffffff9008ebc768>] drm_ioctl_kernel+0x118/0x1b0
[<ffffff9008ebcde8>] drm_ioctl+0x5c0/0x920
[<ffffff900863b030>] do_vfs_ioctl+0x188/0x1820
[<ffffff900863c754>] SyS_ioctl+0x8c/0xa0
Fixes: df2069acb005 ("usb: Add MediaTek USB3 DRD driver")
Signed-off-by: Macpaul Lin <macpaul.lin@mediatek.com>
Acked-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/1604642069-20961-1-git-send-email-macpaul.lin@mediatek.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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When DMA_RALINK is enabled and DMADEVICES is disabled, it results in the
following Kbuild warnings:
WARNING: unmet direct dependencies detected for DMA_ENGINE
Depends on [n]: DMADEVICES [=n]
Selected by [y]:
- DMA_RALINK [=y] && STAGING [=y] && RALINK [=y] && !SOC_RT288X [=n]
WARNING: unmet direct dependencies detected for DMA_VIRTUAL_CHANNELS
Depends on [n]: DMADEVICES [=n]
Selected by [y]:
- DMA_RALINK [=y] && STAGING [=y] && RALINK [=y] && !SOC_RT288X [=n]
The reason is that DMA_RALINK selects DMA_ENGINE and DMA_VIRTUAL_CHANNELS
without depending on or selecting DMADEVICES while DMA_ENGINE and
DMA_VIRTUAL_CHANNELS are subordinate to DMADEVICES. This can also fail
building the kernel as demonstrated in a bug report.
Honor the kconfig dependency to remove unmet direct dependency warnings
and avoid any potential build failures.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=210055
Signed-off-by: Necip Fazil Yildiran <fazilyildiran@gmail.com>
Link: https://lore.kernel.org/r/20201104181522.43567-1-fazilyildiran@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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After upgrading kernel to version 5.9.x the driver was not
working anymore showing the following kernel trace:
...
mt7621-pci 1e140000.pcie: resource collision:
[mem 0x60000000-0x6fffffff] conflicts with pcie@1e140000 [mem 0x60000000-0x6fffffff]
------------[ cut here ]------------
WARNING: CPU: 2 PID: 73 at kernel/resource.c:1400
devm_request_resource+0xfc/0x10c
Modules linked in:
CPU: 2 PID: 73 Comm: kworker/2:1 Not tainted 5.9.2 #0
Workqueue: events deferred_probe_work_func
Stack : 00000000 81590000 807d0a1c 808a0000 8fd49080
807d0000 00000009 808ac820
00000001 808338d0 7fff0001 800839dc 00000049
00000001 8fe51b00 367204ab
00000000 00000000 807d0a1c 807c0000 00000001
80082358 8fe50000 00559000
00000000 8fe519f1 ffffffff 00000005 00000000
00000001 00000000 807d0000
00000009 808ac820 00000001 808338d0 00000001
803bf1b0 00000008 81390008
Call Trace:
[<8000d018>] show_stack+0x30/0x100
[<8032e66c>] dump_stack+0xa4/0xd4
[<8002db1c>] __warn+0xc0/0x134
[<8002dbec>] warn_slowpath_fmt+0x5c/0xac
[<80033b34>] devm_request_resource+0xfc/0x10c
[<80365ff8>] devm_request_pci_bus_resources+0x58/0xdc
[<8048e13c>] mt7621_pci_probe+0x8dc/0xe48
[<803d2140>] platform_drv_probe+0x40/0x94
[<803cfd94>] really_probe+0x108/0x4ec
[<803cd958>] bus_for_each_drv+0x70/0xb0
[<803d0388>] __device_attach+0xec/0x164
[<803cec8c>] bus_probe_device+0xa4/0xc0
[<803cf1c4>] deferred_probe_work_func+0x80/0xc4
[<80048444>] process_one_work+0x260/0x510
[<80048a4c>] worker_thread+0x358/0x5cc
[<8004f7d0>] kthread+0x134/0x13c
[<80007478>] ret_from_kernel_thread+0x14/0x1c
---[ end trace a9dd2e37537510d3 ]---
mt7621-pci 1e140000.pcie: Error requesting resources
mt7621-pci: probe of 1e140000.pcie failed with error -16
...
With commit 669cbc708122 ("PCI: Move DT resource setup into
devm_pci_alloc_host_bridge()"), the DT 'ranges' is parsed and populated
into resources when the host bridge is allocated. The resources are
requested as well, but that happens a 2nd time for this driver in
mt7621_pcie_request_resources(). Hence we should avoid this second
request.
Also, the bus ranges was also populated by default, so we can remove
it from mt7621_pcie_request_resources() to avoid the following trace
if we don't avoid it:
pci_bus 0000:00: busn_res: can not insert [bus 00-ff]
under domain [bus 00-ff] (conflicts with (null) [bus 00-ff])
Function 'mt7621_pcie_request_resources' has been renamed into
'mt7621_pcie_add_resources' which now is a more accurate name
for this function.
Cc: stable@vger.kernel.org #5.9.x-
Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
Link: https://lore.kernel.org/r/20201102202515.19073-1-sergio.paracuellos@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Replace the unique rtw_ieee80211_back_actioncode with the standard
provided ieee80211_back_actioncode.
Signed-off-by: Ross Schmidt <ross.schm.dev@gmail.com>
Link: https://lore.kernel.org/r/20201105034754.12383-9-ross.schm.dev@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Replace the unique rtw_ieee80211_ht_actioncode enum with the provided
standard ieee80211_ht_actioncode.
Signed-off-by: Ross Schmidt <ross.schm.dev@gmail.com>
Link: https://lore.kernel.org/r/20201105034754.12383-8-ross.schm.dev@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Replace the unique rtw_ieee80211_mgmt_actioncode enum with the provided
standard ieee80211_spectrum_mgmt_actioncode.
Signed-off-by: Ross Schmidt <ross.schm.dev@gmail.com>
Link: https://lore.kernel.org/r/20201105034754.12383-7-ross.schm.dev@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Replace the unique rtw_ieee80211_ht_cap struct with the provided standard
ieee80211_ht_cap.
Signed-off-by: Ross Schmidt <ross.schm.dev@gmail.com>
Link: https://lore.kernel.org/r/20201105034754.12383-6-ross.schm.dev@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Remove unnecessary macro for %s and call it directly.
Signed-off-by: Ross Schmidt <ross.schm.dev@gmail.com>
Link: https://lore.kernel.org/r/20201105034754.12383-5-ross.schm.dev@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Remove unnecessary macro for %s and call it directly.
Signed-off-by: Ross Schmidt <ross.schm.dev@gmail.com>
Link: https://lore.kernel.org/r/20201105034754.12383-4-ross.schm.dev@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Remove unnecessary macro for %pI4 and call it directly.
Signed-off-by: Ross Schmidt <ross.schm.dev@gmail.com>
Link: https://lore.kernel.org/r/20201105034754.12383-3-ross.schm.dev@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Use %pM format instead of custom printing code.
Signed-off-by: Ross Schmidt <ross.schm.dev@gmail.com>
Link: https://lore.kernel.org/r/20201105034754.12383-2-ross.schm.dev@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Remove unnecessary macro for %pM and call it directly.
Signed-off-by: Ross Schmidt <ross.schm.dev@gmail.com>
Link: https://lore.kernel.org/r/20201105034754.12383-1-ross.schm.dev@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Fix the checkpatch warning of alignment should match open parenthesis
for some dev_dbg() calls
Signed-off-by: Siddhant Gupta <siddhantgupta416@gmail.com>
Link: https://lore.kernel.org/r/20201106082226.GA22990@Sleakybeast
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Fix the alignment issue pointed out by checkpatch
Signed-off-by: Siddhant Gupta <siddhantgupta416@gmail.com>
Link: https://lore.kernel.org/r/20201106093021.GA25237@Sleakybeast
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This patch makes use of the swab16() and swab32() functions available
in the kernel instead of using own implementations.
Signed-off-by: Christian Gromm <christian.gromm@microchip.com>
Reported-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/1604494242-3414-1-git-send-email-christian.gromm@microchip.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Fixed two spelling in two different comments.
s/defalut/default/p
Signed-off-by: Bhaskar Chowdhury <unixbhaskar@gmail.com>
Link: https://lore.kernel.org/r/20201029124953.3957-1-unixbhaskar@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Fixed four cases where the if-statement coding style wasn't following
the guidelines.
Signed-off-by: Manuel Palenzuela <manuelpalenzuelamerino@gmail.com>
Link: https://lore.kernel.org/r/20201029120228.7029-1-manuelpalenzuelamerino@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The 'EPERM' cannot appear in the previous path, we
should use '-EPERM' to check it. For example:
Call trace:
->rtl8192_rx_isr
->usb_submit_urb
->usb_hcd_submit_urb
->rh_urb_enqueue
->rh_queue_status
->usb_hcd_link_urb_to_ep
Signed-off-by: Zhang Qilong <zhangqilong3@huawei.com>
Link: https://lore.kernel.org/r/20201028122648.47959-1-zhangqilong3@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Add the missing destroy_workqueue() before return from
ks7010_sdio_probe in the error handling case.
Signed-off-by: Qinglang Miao <miaoqinglang@huawei.com>
Link: https://lore.kernel.org/r/20201028091552.136445-1-miaoqinglang@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Fix code alignment. Issue reported by checkpatch.pl
Signed-off-by: Izabela Bakollari <izabela.bakollari@gmail.com>
Link: https://lore.kernel.org/r/20201022132218.235744-1-izabela.bakollari@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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We were relying on GNU ld's ability to re-link executable files in order
to extract our VDSO symbols. This behavior was deemed a bug as of
binutils-2.35 (specifically the binutils-gdb commit a87e1817a4 ("Have
the linker fail if any attempt to link in an executable is made."), but
as that has been backported to at least Debian's binutils-2.34 in may
manifest in other places.
The previous version of this was a bit of a mess: we were linking a
static executable version of the VDSO, containing only a subset of the
input symbols, which we then linked into the kernel. This worked, but
certainly wasn't a supported path through the toolchain. Instead this
new version parses the textual output of nm to produce a symbol table.
Both rely on near-zero addresses being linkable, but as we rely on weak
undefined symbols being linkable elsewhere I don't view this as a major
issue.
Fixes: e2c0cdfba7f6 ("RISC-V: User-facing API")
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
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Currently, we use PGD mappings for early DTB mapping in early_pgd
but this breaks Linux kernel on SiFive Unleashed because on SiFive
Unleashed PMP checks don't work correctly for PGD mappings.
To fix early DTB mappings on SiFive Unleashed, we use non-PGD
mappings (i.e. PMD) for early DTB access.
Fixes: 8f3a2b4a96dc ("RISC-V: Move DT mapping outof fixmap")
Signed-off-by: Anup Patel <anup.patel@wdc.com>
Reviewed-by: Atish Patra <atish.patra@wdc.com>
Tested-by: Atish Patra <atish.patra@wdc.com>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
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The copy_from_kernel_nofault() is broken on riscv because the 'dst' and
'src' are mistakenly reversed in __put_kernel_nofault() macro.
copy_to_kernel_nofault:
...
0xffffffe0003159b8 <+30>: sd a4,0(a1) # a1 aka 'src'
Fixes: d464118cdc ("riscv: implement __get_kernel_nofault and __put_user_nofault")
Signed-off-by: Changbin Du <changbin.du@gmail.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Anup Patel <anup@brainfault.org>
Tested-by: Anup Patel <anup@brainfault.org>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
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The argument to pfn_to_virt() should be pfn not the value of CSR_SATP.
Reviewed-by: Palmer Dabbelt <palmerdabbelt@google.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
Signed-off-by: liush <liush@allwinnertech.com>
Reviewed-by: Pekka Enberg <penberg@kernel.org>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
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Zero-fill element values for all other cpus than current, just as
when not using prealloc. This is the only way the bpf program can
ensure known initial values for all cpus ('onallcpus' cannot be
set when coming from the bpf program).
The scenario is: bpf program inserts some elements in a per-cpu
map, then deletes some (or userspace does). When later adding
new elements using bpf_map_update_elem(), the bpf program can
only set the value of the new elements for the current cpu.
When prealloc is enabled, previously deleted elements are re-used.
Without the fix, values for other cpus remain whatever they were
when the re-used entry was previously freed.
A selftest is added to validate correct operation in above
scenario as well as in case of LRU per-cpu map element re-use.
Fixes: 6c9059817432 ("bpf: pre-allocate hash map elements")
Signed-off-by: David Verbeiren <david.verbeiren@tessares.net>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Acked-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20201104112332.15191-1-david.verbeiren@tessares.net
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git://anongit.freedesktop.org/drm/drm-misc into drm-fixes
Some patches for vc4 to fix some resources cleanup issues, two fixes for
panfrost for madvise and the shrinker and a constification of fonts
structure
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20201105101354.socyu26jwyns7lfj@gilmour.lan
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Add a non-NUMA definition for of_drconf_to_nid_single() to topology.h
so we have one even if powerpc/mm/numa.c is not compiled. On a
non-NUMA kernel the appropriate node id is always first_online_node.
Fixes: 72cdd117c449 ("pseries/hotplug-memory: hot-add: skip redundant LMB lookup")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Scott Cheloha <cheloha@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20201105223040.3612663-1-cheloha@linux.ibm.com
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Fix build error when BPF_SYSCALL is not set/enabled but BPF_PRELOAD is
by making BPF_PRELOAD depend on BPF_SYSCALL.
ERROR: modpost: "bpf_preload_ops" [kernel/bpf/preload/bpf_preload.ko] undefined!
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/bpf/20201105195109.26232-1-rdunlap@infradead.org
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My earlier patch to reject non-zero arguments to flow dissector attach
broke attaching via bpftool. Instead of 0 it uses -1 for target_fd.
Fix this by passing a zero argument when attaching the flow dissector.
Fixes: 1b514239e859 ("bpf: flow_dissector: Check value of unused flags to BPF_PROG_ATTACH")
Reported-by: Jiri Benc <jbenc@redhat.com>
Signed-off-by: Lorenz Bauer <lmb@cloudflare.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Song Liu <songliubraving@fb.com>
Link: https://lore.kernel.org/bpf/20201105115230.296657-1-lmb@cloudflare.com
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git://people.freedesktop.org/~agd5f/linux into drm-fixes
amd-drm-fixes-5.10-2020-11-04:
amdgpu:
- Add support for more navi1x SKUs
- Fix for suspend on CI dGPUs
- VCN DPG fix for Picasso
- Sienna Cichlid fixes
- Polaris DPM fix
- Add support for Green Sardine
amdkfd:
- Fix an allocation failure check
MAINTAINERS:
- Fix path for amdgpu power management
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexdeucher@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201104205741.4100-1-alexander.deucher@amd.com
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git://anongit.freedesktop.org/drm/drm-intel into drm-fixes
- GVT fixes including vGPU suspend/resume fixes and workaround for APL guest GPU hang.
- Fix set domain's cache coherency (Chris)
- Fixes around breadcrumbs (Chris)
- Fix encoder lookup during PSR atomic (Imre)
- Hold onto an explicit ref to i915_vma_work.pinned (Chris)
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201105173026.GA858446@intel.com
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M-Mode Linux is loaded at the start of RAM, not 2MB later. Perhaps this
should be calculated based on PAGE_OFFSET somehow? Even better would be to
deprecate text_offset and instead introduce something absolute.
Signed-off-by: Sean Anderson <seanga2@gmail.com>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
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git://git.pengutronix.de/git/pza/linux into drm-fixes
drm/imx: fixes and cleanups
Remove unused functions and empty callbacks, let the dw_hdmi-imx driver
reuse imx_drm_encoder_parse_of() instead of reimplementing it, replace
the custom register spinlock with the regmap default spinlock and remove
redundant tracking of enabled state in imx-tve, drop the explicit
drm_mode_config_cleanup() call in imx-drm-core, reduce the scope of edid
length variables that are not otherwise used in imx-ldb and
parallel-display, fix a memory leak in the parallel-display bind error
path, and drop an extraneous type qualifier from of_get_tve_mode().
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Philipp Zabel <p.zabel@pengutronix.de>
Link: https://patchwork.freedesktop.org/patch/msgid/7e4af582027bbec269364b95f6978d061b48271a.camel@pengutronix.de
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If we have more than 4 displays we will run
into dummy irq calls or flip timout issues.
Signed-off-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Reviewed-by: Charlene Liu <Charlene.Liu@amd.com>
Acked-by: Qingqing Zhuo <qingqing.zhuo@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org # 5.9.x
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We can't just go over linked requests because it may race with linked
timeouts. Take ctx->completion_lock in that case.
Cc: stable@vger.kernel.org # v5.7+
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Need to initialize nfsd4_copy's refcount to 1 to avoid use-after-free
warning when nfs4_put_copy is called from nfsd4_cb_offload_release.
Fixes: ce0887ac96d3 ("NFSD add nfs4 inter ssc to nfsd4_copy")
Signed-off-by: Dai Ngo <dai.ngo@oracle.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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The source file nfsd_file is not constructed the same as other
nfsd_file's via nfsd_file_alloc. nfsd_file_put should not be
called to free the object; nfsd_file_put is not the inverse of
kzalloc, instead kfree is called by nfsd4_do_async_copy when done.
Fixes: ce0887ac96d3 ("NFSD add nfs4 inter ssc to nfsd4_copy")
Signed-off-by: Dai Ngo <dai.ngo@oracle.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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A late paragraph of RFC 1813 Section 3.3.11 states:
| ... if the server does not support the target type or the
| target type is illegal, the error, NFS3ERR_BADTYPE, should
| be returned. Note that NF3REG, NF3DIR, and NF3LNK are
| illegal types for MKNOD.
The Linux NFS server incorrectly returns NFSERR_INVAL in these
cases.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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The TP_fast_assign() section is careful enough not to dereference
xdr->rqst if it's NULL. The TP_STRUCT__entry section is not.
Fixes: 5582863f450c ("SUNRPC: Add XDR overflow trace event")
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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Commit cc028a10a48c ("NFSD: Hoist status code encoding into XDR
encoder functions") missed a spot.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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It's possible that the first region picked for the new kernel will make
it impossible to fit the other segments in the required 32GB window,
especially if we have a very large initrd.
Instead of giving up, we can keep testing other regions for the kernel
until we find one that works.
Suggested-by: Ryan O'Leary <ryanoleary@google.com>
Signed-off-by: Benjamin Gwin <bgwin@google.com>
Link: https://lore.kernel.org/r/20201103201106.2397844-1-bgwin@google.com
Signed-off-by: Will Deacon <will@kernel.org>
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always-on STIBP
On AMD CPUs which have the feature X86_FEATURE_AMD_STIBP_ALWAYS_ON,
STIBP is set to on and
spectre_v2_user_stibp == SPECTRE_V2_USER_STRICT_PREFERRED
At the same time, IBPB can be set to conditional.
However, this leads to the case where it's impossible to turn on IBPB
for a process because in the PR_SPEC_DISABLE case in ib_prctl_set() the
spectre_v2_user_stibp == SPECTRE_V2_USER_STRICT_PREFERRED
condition leads to a return before the task flag is set. Similarly,
ib_prctl_get() will return PR_SPEC_DISABLE even though IBPB is set to
conditional.
More generally, the following cases are possible:
1. STIBP = conditional && IBPB = on for spectre_v2_user=seccomp,ibpb
2. STIBP = on && IBPB = conditional for AMD CPUs with
X86_FEATURE_AMD_STIBP_ALWAYS_ON
The first case functions correctly today, but only because
spectre_v2_user_ibpb isn't updated to reflect the IBPB mode.
At a high level, this change does one thing. If either STIBP or IBPB
is set to conditional, allow the prctl to change the task flag.
Also, reflect that capability when querying the state. This isn't
perfect since it doesn't take into account if only STIBP or IBPB is
unconditionally on. But it allows the conditional feature to work as
expected, without affecting the unconditional one.
[ bp: Massage commit message and comment; space out statements for
better readability. ]
Fixes: 21998a351512 ("x86/speculation: Avoid force-disabling IBPB based on STIBP and enhanced IBRS.")
Signed-off-by: Anand K Mistry <amistry@google.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Tom Lendacky <thomas.lendacky@amd.com>
Link: https://lkml.kernel.org/r/20201105163246.v2.1.Ifd7243cd3e2c2206a893ad0a5b9a4f19549e22c6@changeid
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rq->xdp_prog is RCU-protected and should be accessed only with
rcu_access_pointer for the NULL check in mlx5e_poll_rx_cq.
rq->xdp_prog may change on the fly only from one non-NULL value to
another non-NULL value, so the checks in mlx5e_xdp_handle and
mlx5e_poll_rx_cq will have the same result during one NAPI cycle,
meaning that no additional synchronization is needed.
Fixes: fe45386a2082 ("net/mlx5e: Use RCU to protect rq->xdp_prog")
Signed-off-by: Maxim Mikityanskiy <maximmi@mellanox.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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During driver reload, perform firmware tear-down which results in
firmware losing the configured VXLAN ports. These ports are still
available in the driver's database. Fix this by cleaning up driver's
VXLAN database in the nic unload flow, before firmware tear-down. With
that, minimize mlx5_vxlan_destroy() to remove only what was added in
mlx5_vxlan_create() and warn on leftover UDP ports.
Fixes: 18a2b7f969c9 ("net/mlx5: convert to new udp_tunnel infrastructure")
Signed-off-by: Aya Levin <ayal@nvidia.com>
Reviewed-by: Moshe Shemesh <moshe@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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