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Intoduce pr_fmt() and use pr_*() macros to replace printk(), also
remove all the PREFIX for pr_*() calls to generate a unified format
string for prefix.
Signed-off-by: Hanjun Guo <guohanjun@huawei.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Using pr_fmt() and pr_*() macros to unify the message printing.
While at it, fix the obvious coding style issue when scanning
the code.
Signed-off-by: Hanjun Guo <guohanjun@huawei.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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The log messages in scan.c is not in consistency, some pr_*() calls
have PREFIX, but some don't.
Using pr_fmt() and remove PREFIX, also replace printk() with pr_*()
macro to unify the message printing.
Signed-off-by: Hanjun Guo <guohanjun@huawei.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Using pr_fmt() and pr_*() macros to unify the message printing.
Signed-off-by: Hanjun Guo <guohanjun@huawei.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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We have pr_fmt() in sysfs.c but we still use pr_err(PREFIX ...) which
is wrong, remove the duplicated PREFIX and also using pr_* to replace
printk to simlify the code.
Signed-off-by: Hanjun Guo <guohanjun@huawei.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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The meesage printing in this file is mixed with pr_*() and
printk() but with no prefix and no pr_fmt() defined.
Intoduce pr_fmt() and use pr_*() macros to replace printk(),
to generate a unified format string for prefix.
Signed-off-by: Hanjun Guo <guohanjun@huawei.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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The log messages in processor_throttling.c is not in consistency,
we have some printk() calls with PREFIX, but some are not; also we
use pr_*() functions without prefix. So add pr_fmt() and unify
them with pr_*() functions.
While at it, fix some obvious coding style issues when going
through the functions.
Signed-off-by: Hanjun Guo <guohanjun@huawei.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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The log messages in processor_perflib.c is not in consistency,
we have some printk() calls with PREFIX, but some are not; we
use pr_*() functions without prefix. So add pr_fmt() and unify
them with pr_*() functions.
While at it, fix some obvious coding style issues when going
through the functions.
Signed-off-by: Hanjun Guo <guohanjun@huawei.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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The PREFIX "ACPI: " is not used in this file, remove it.
Signed-off-by: Hanjun Guo <guohanjun@huawei.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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In acpi_pci_root_add(), pr_info() is added with PREFIX, but
in acpi_pci_root_remap_iospace() the pr_info() with no
PREFIX.
Introduce pr_fmt() to unify the message printing and remove
the PREFIX.
Signed-off-by: Hanjun Guo <guohanjun@huawei.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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We have pr_fmt() in osl.c, so pr_err(PREFIX ...) is duplicated
and wrong, fix it by removing the PREFIX.
Also remove the using of PREFIX in WARN() and just add the plain
"ACPI: " in message to keep it unchanged.
Signed-off-by: Hanjun Guo <guohanjun@huawei.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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The message printing in nvs.c is mixed with pr_*() and
printk(), but with no prefix and also no pr_fmt() defined.
Introduce pr_fmt() and use pr_*() macros to replace printk(),
to generate a unified format string for prefix.
Signed-off-by: Hanjun Guo <guohanjun@huawei.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Remove the in house ACPI_GLUE_DEBUG and its related debug message
printing, using pr_debug() instead.
While at it, replace printk() with pr_* to simplify the code.
Signed-off-by: Hanjun Guo <guohanjun@huawei.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Introduce pr_fmt() and replace direct printk() invocation with
the matching pr_*() call to prepare for removing PREFIX.
Signed-off-by: Hanjun Guo <guohanjun@huawei.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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In commit ee98460b2ff9 ("ACPI: bus: Clean up printing messages"),
direct printk() invocations was replaced with the matching pr_*()
calls, but the left two printk() calls was merged at the same time
with the above cleaup commit, so we missed them for cleanup, let's
replace them now and we can remove the use of PREFIX later.
Signed-off-by: Hanjun Guo <guohanjun@huawei.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Intoduce pr_fmt() and use pr_*() macros to replace printk(), to generate
a unified format string for prefix, then remove the PREFIX.
Signed-off-by: Hanjun Guo <guohanjun@huawei.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Introduce pr_fmt() and remove printk PREFIX to unify the
log message printing.
Signed-off-by: Hanjun Guo <guohanjun@huawei.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/jejb/scsi
Pull SCSI fixes from James Bottomley:
"Five small and fairly minor fixes, all in drivers"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: scsi_devinfo: Add blacklist entry for HPE OPEN-V
scsi: ufs: ufs-mediatek: Fix HCI version in some platforms
scsi: qedf: Do not put host in qedf_vport_create() unconditionally
scsi: lpfc: Fix failure to transmit ABTS on FC link
scsi: target: core: Fix warning on realtime kernels
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git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC fixes from Olof Johansson:
"A set of fixes that have been coming in over the last few weeks, the
usual mix of fixes:
- DT fixups for TI K3
- SATA drive detection fix for TI DRA7
- Power management fixes and a few build warning removals for OMAP
- OP-TEE fix to use standard API for UUID exporting
- DT fixes for a handful of i.MX boards
And a few other smaller items"
* tag 'arm-soc-fixes-v5.13-2' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (29 commits)
arm64: meson: select COMMON_CLK
soc: amlogic: meson-clk-measure: remove redundant dev_err call in meson_msr_probe()
ARM: OMAP1: ams-delta: remove unused function ams_delta_camera_power
bus: ti-sysc: Fix flakey idling of uarts and stop using swsup_sidle_act
ARM: dts: imx: emcon-avari: Fix nxp,pca8574 #gpio-cells
ARM: dts: imx7d-pico: Fix the 'tuning-step' property
ARM: dts: imx7d-meerkat96: Fix the 'tuning-step' property
arm64: dts: freescale: sl28: var1: fix RGMII clock and voltage
arm64: dts: freescale: sl28: var4: fix RGMII clock and voltage
ARM: imx: pm-imx27: Include "common.h"
arm64: dts: zii-ultra: fix 12V_MAIN voltage
arm64: dts: zii-ultra: remove second GEN_3V3 regulator instance
arm64: dts: ls1028a: fix memory node
bus: ti-sysc: Fix am335x resume hang for usb otg module
ARM: OMAP2+: Fix build warning when mmc_omap is not built
ARM: OMAP1: isp1301-omap: Add missing gpiod_add_lookup_table function
ARM: OMAP1: Fix use of possibly uninitialized irq variable
optee: use export_uuid() to copy client UUID
arm64: dts: ti: k3*: Introduce reg definition for interrupt routers
arm64: dts: ti: k3-am65|j721e|am64: Map the dma / navigator subsystem via explicit ranges
...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Borislav Petkov:
"A bunch of x86/urgent stuff accumulated for the last two weeks so
lemme unload it to you.
It should be all totally risk-free, of course. :-)
- Fix out-of-spec hardware (1st gen Hygon) which does not implement
MSR_AMD64_SEV even though the spec clearly states so, and check
CPUID bits first.
- Send only one signal to a task when it is a SEGV_PKUERR si_code
type.
- Do away with all the wankery of reserving X amount of memory in the
first megabyte to prevent BIOS corrupting it and simply and
unconditionally reserve the whole first megabyte.
- Make alternatives NOP optimization work at an arbitrary position
within the patched sequence because the compiler can put
single-byte NOPs for alignment anywhere in the sequence (32-bit
retpoline), vs our previous assumption that the NOPs are only
appended.
- Force-disable ENQCMD[S] instructions support and remove
update_pasid() because of insufficient protection against FPU state
modification in an interrupt context, among other xstate horrors
which are being addressed at the moment. This one limits the
fallout until proper enablement.
- Use cpu_feature_enabled() in the idxd driver so that it can be
build-time disabled through the defines in disabled-features.h.
- Fix LVT thermal setup for SMI delivery mode by making sure the APIC
LVT value is read before APIC initialization so that softlockups
during boot do not happen at least on one machine.
- Mark all legacy interrupts as legacy vectors when the IO-APIC is
disabled and when all legacy interrupts are routed through the PIC"
* tag 'x86_urgent_for_v5.13-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/sev: Check SME/SEV support in CPUID first
x86/fault: Don't send SIGSEGV twice on SEGV_PKUERR
x86/setup: Always reserve the first 1M of RAM
x86/alternative: Optimize single-byte NOPs at an arbitrary position
x86/cpufeatures: Force disable X86_FEATURE_ENQCMD and remove update_pasid()
dmaengine: idxd: Use cpu_feature_enabled()
x86/thermal: Fix LVT thermal setup for SMI delivery mode
x86/apic: Mark _all_ legacy interrupts when IO/APIC is missing
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git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c fixes from Wolfram Sang:
"Some more bugfixes from I2C for v5.13. Usual stuff"
* 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
i2c: qcom-geni: Suspend and resume the bus during SYSTEM_SLEEP_PM ops
i2c: qcom-geni: Add shutdown callback for i2c
i2c: tegra-bpmp: Demote kernel-doc abuses
i2c: altera: Fix formatting issue in struct and demote unworthy kernel-doc headers
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git://git.linaro.org/people/jens.wiklander/linux-tee into arm/fixes
OP-TEE use export_uuid() to copy UUID
* tag 'optee-fix-for-v5.13' of git://git.linaro.org/people/jens.wiklander/linux-tee:
optee: use export_uuid() to copy client UUID
Link: https://lore.kernel.org/r/20210518100712.GA449561@jade
Signed-off-by: Olof Johansson <olof@lixom.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into arm/fixes
PM and build warning fixes for omaps
While chasing system suspend related regressions, I noticed few other
issues related to PM would be good to have fixed:
- UART idling does not always work for hardware autoidle features
- am335x resume works only the first time unless musb module is loaded
Then there are three patches for omap1 related warnings caused by the gpio
changes, and one build warning fix for legacy mmc platform code when mmc
is built as a loadable module.
These can all be merged whenever suitable naturally. I've sent the more
urgent SATA regression fix separately although it appears in this pull
request too because of the branches merged.
* tag 'omap-for-v5.13/fixes-pm' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: OMAP1: ams-delta: remove unused function ams_delta_camera_power
bus: ti-sysc: Fix flakey idling of uarts and stop using swsup_sidle_act
bus: ti-sysc: Fix am335x resume hang for usb otg module
ARM: OMAP2+: Fix build warning when mmc_omap is not built
ARM: OMAP1: isp1301-omap: Add missing gpiod_add_lookup_table function
ARM: OMAP1: Fix use of possibly uninitialized irq variable
Link: https://lore.kernel.org/r/pull-1622614772-543196@atomide.com
Signed-off-by: Olof Johansson <olof@lixom.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into arm/fixes
Regression fix for TI dra7 SATA not detecting drives
The SATA quirk flags are no missing With recent removal of legacy
platform data and we need to add the quirk flags to detect drives.
* tag 'omap-for-v5.13/fixes-sata' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
bus: ti-sysc: Fix missing quirk flags for sata
Link: https://lore.kernel.org/r/pull-1622613578-121536@atomide.com
Signed-off-by: Olof Johansson <olof@lixom.net>
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https://git.kernel.org/pub/scm/linux/kernel/git/amlogic/linux into arm/fixes
Amlogic fixes for v5.13-rc1
- arm64: meson: select COMMON_CLK to select a proper implementation of the clock API
- soc: amlogic: meson-clk-measure: remove redundant dev_err call in meson_msr_probe()
* tag 'amlogic-fixes-v5.13-rc1' of https://git.kernel.org/pub/scm/linux/kernel/git/amlogic/linux:
arm64: meson: select COMMON_CLK
soc: amlogic: meson-clk-measure: remove redundant dev_err call in meson_msr_probe()
Link: https://lore.kernel.org/r/73e76706-f3f4-bebf-10dd-d2ec9106a234@baylibre.com
Signed-off-by: Olof Johansson <olof@lixom.net>
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Merge misc fixes from Andrew Morton:
"13 patches.
Subsystems affected by this patch series: mips, mm (kfence, debug,
pagealloc, memory-hotplug, hugetlb, kasan, and hugetlb), init, proc,
lib, ocfs2, and mailmap"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
mailmap: use private address for Michel Lespinasse
ocfs2: fix data corruption by fallocate
lib: crc64: fix kernel-doc warning
mm, hugetlb: fix simple resv_huge_pages underflow on UFFDIO_COPY
mm/kasan/init.c: fix doc warning
proc: add .gitignore for proc-subset-pid selftest
hugetlb: pass head page to remove_hugetlb_page()
drivers/base/memory: fix trying offlining memory blocks with memory holes on aarch64
mm/page_alloc: fix counting of free pages after take off from buddy
mm/debug_vm_pgtable: fix alignment for pmd/pud_advanced_tests()
pid: take a reference when initializing `cad_pid`
kfence: use TASK_IDLE when awaiting allocation
Revert "MIPS: make userspace mapping young by default"
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aarch64
offline_pages() properly checks for memory holes and bails out.
However, we do a page_zone(pfn_to_page(start_pfn)) before calling
offline_pages() when offlining a memory block.
We should not unconditionally call page_zone(pfn_to_page(start_pfn)) on
aarch64 in offlining code, otherwise we can trigger a BUG when hitting a
memory hole:
kernel BUG at include/linux/mm.h:1383!
Internal error: Oops - BUG: 0 [#1] SMP
Modules linked in: loop processor efivarfs ip_tables x_tables ext4 mbcache jbd2 dm_mod igb nvme i2c_algo_bit mlx5_core i2c_core nvme_core firmware_class
CPU: 13 PID: 1694 Comm: ranbug Not tainted 5.12.0-next-20210524+ #4
Hardware name: MiTAC RAPTOR EV-883832-X3-0001/RAPTOR, BIOS 1.6 06/28/2020
pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--)
pc : memory_subsys_offline+0x1f8/0x250
lr : memory_subsys_offline+0x1f8/0x250
Call trace:
memory_subsys_offline+0x1f8/0x250
device_offline+0x154/0x1d8
online_store+0xa4/0x118
dev_attr_store+0x44/0x78
sysfs_kf_write+0xe8/0x138
kernfs_fop_write_iter+0x26c/0x3d0
new_sync_write+0x2bc/0x4f8
vfs_write+0x718/0xc88
ksys_write+0xf8/0x1e0
__arm64_sys_write+0x74/0xa8
invoke_syscall.constprop.0+0x78/0x1e8
do_el0_svc+0xe4/0x298
el0_svc+0x20/0x30
el0_sync_handler+0xb0/0xb8
el0_sync+0x178/0x180
Kernel panic - not syncing: Oops - BUG: Fatal exception
SMP: stopping secondary CPUs
Kernel Offset: disabled
CPU features: 0x00000251,20000846
Memory Limit: none
If nr_vmemmap_pages is set, we know that we are dealing with hotplugged
memory that doesn't have any holes. So call
page_zone(pfn_to_page(start_pfn)) only when really necessary -- when
nr_vmemmap_pages is set and we actually adjust the present pages.
Link: https://lkml.kernel.org/r/20210526075226.5572-1-david@redhat.com
Fixes: a08a2ae34613 ("mm,memory_hotplug: allocate memmap from the added memory range")
Signed-off-by: David Hildenbrand <david@redhat.com>
Reported-by: Qian Cai (QUIC) <quic_qiancai@quicinc.com>
Reviewed-by: Oscar Salvador <osalvador@suse.de>
Acked-by: Michal Hocko <mhocko@suse.com>
Cc: Anshuman Khandual <anshuman.khandual@arm.com>
Cc: Mike Rapoport <rppt@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Networking fixes, including fixes from bpf, wireless, netfilter and
wireguard trees.
The bpf vs lockdown+audit fix is the most notable.
Things haven't slowed down just yet, both in terms of regressions in
current release and largish fixes for older code, but we usually see a
slowdown only after -rc5.
Current release - regressions:
- virtio-net: fix page faults and crashes when XDP is enabled
- mlx5e: fix HW timestamping with CQE compression, and make sure they
are only allowed to coexist with capable devices
- stmmac:
- fix kernel panic due to NULL pointer dereference of
mdio_bus_data
- fix double clk unprepare when no PHY device is connected
Current release - new code bugs:
- mt76: a few fixes for the recent MT7921 devices and runtime power
management
Previous releases - regressions:
- ice:
- track AF_XDP ZC enabled queues in bitmap to fix copy mode Tx
- fix allowing VF to request more/less queues via virtchnl
- correct supported and advertised autoneg by using PHY
capabilities
- allow all LLDP packets from PF to Tx
- kbuild: quote OBJCOPY var to avoid a pahole call break the build
Previous releases - always broken:
- bpf, lockdown, audit: fix buggy SELinux lockdown permission checks
- mt76: address the recent FragAttack vulnerabilities not covered by
generic fixes
- ipv6: fix KASAN: slab-out-of-bounds Read in
fib6_nh_flush_exceptions
- Bluetooth:
- fix the erroneous flush_work() order, to avoid double free
- use correct lock to prevent UAF of hdev object
- nfc: fix NULL ptr dereference in llcp_sock_getname() after failed
connect
- ieee802154: multiple fixes to error checking and return values
- igb: fix XDP with PTP enabled
- intel: add correct exception tracing for XDP
- tls: fix use-after-free when TLS offload device goes down and back
up
- ipvs: ignore IP_VS_SVC_F_HASHED flag when adding service
- netfilter: nft_ct: skip expectations for confirmed conntrack
- mptcp: fix falling back to TCP in presence of out of order packets
early in connection lifetime
- wireguard: switch from O(n) to a O(1) algorithm for maintaining
peers, fixing stalls and a large memory leak in the process
Misc:
- devlink: correct VIRTUAL port to not have phys_port attributes
- Bluetooth: fix VIRTIO_ID_BT assigned number
- net: return the correct errno code ENOBUF -> ENOMEM
- wireguard:
- peer: allocate in kmem_cache saving 25% on peer memory
- do not use -O3"
* tag 'net-5.13-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (91 commits)
cxgb4: avoid link re-train during TC-MQPRIO configuration
sch_htb: fix refcount leak in htb_parent_to_leaf_offload
wireguard: allowedips: free empty intermediate nodes when removing single node
wireguard: allowedips: allocate nodes in kmem_cache
wireguard: allowedips: remove nodes in O(1)
wireguard: allowedips: initialize list head in selftest
wireguard: peer: allocate in kmem_cache
wireguard: use synchronize_net rather than synchronize_rcu
wireguard: do not use -O3
wireguard: selftests: make sure rp_filter is disabled on vethc
wireguard: selftests: remove old conntrack kconfig value
virtchnl: Add missing padding to virtchnl_proto_hdrs
ice: Allow all LLDP packets from PF to Tx
ice: report supported and advertised autoneg using PHY capabilities
ice: handle the VF VSI rebuild failure
ice: Fix VFR issues for AVF drivers that expect ATQLEN cleared
ice: Fix allowing VF to request more/less queues via virtchnl
virtio-net: fix for skb_over_panic inside big mode
ipv6: Fix KASAN: slab-out-of-bounds Read in fib6_nh_flush_exceptions
fib: Return the correct errno code
...
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git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull PCI fixes from Bjorn Helgaas:
- Fix MSIs for platforms with "msi-map" device-tree property, which we
broke in v5.13-rc1 (Jean-Philippe Brucker)
- Add Krzysztof Wilczyński as PCI reviewer (Lorenzo Pieralisi)
* tag 'pci-v5.13-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci:
PCI/MSI: Fix MSIs for generic hosts that use device-tree's "msi-map"
MAINTAINERS: Add Krzysztof as PCI host/endpoint controllers reviewer
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When configuring TC-MQPRIO offload, only turn off netdev carrier and
don't bring physical link down in hardware. Otherwise, when the
physical link is brought up again after configuration, it gets
re-trained and stalls ongoing traffic.
Also, when firmware is no longer accessible or crashed, avoid sending
FLOWC and waiting for reply that will never come.
Fix following hung_task_timeout_secs trace seen in these cases.
INFO: task tc:20807 blocked for more than 122 seconds.
Tainted: G S 5.13.0-rc3+ #122
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:tc state:D stack:14768 pid:20807 ppid: 19366 flags:0x00000000
Call Trace:
__schedule+0x27b/0x6a0
schedule+0x37/0xa0
schedule_preempt_disabled+0x5/0x10
__mutex_lock.isra.14+0x2a0/0x4a0
? netlink_lookup+0x120/0x1a0
? rtnl_fill_ifinfo+0x10f0/0x10f0
__netlink_dump_start+0x70/0x250
rtnetlink_rcv_msg+0x28b/0x380
? rtnl_fill_ifinfo+0x10f0/0x10f0
? rtnl_calcit.isra.42+0x120/0x120
netlink_rcv_skb+0x4b/0xf0
netlink_unicast+0x1a0/0x280
netlink_sendmsg+0x216/0x440
sock_sendmsg+0x56/0x60
__sys_sendto+0xe9/0x150
? handle_mm_fault+0x6d/0x1b0
? do_user_addr_fault+0x1c5/0x620
__x64_sys_sendto+0x1f/0x30
do_syscall_64+0x3c/0x80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f7f73218321
RSP: 002b:00007ffd19626208 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 000055b7c0a8b240 RCX: 00007f7f73218321
RDX: 0000000000000028 RSI: 00007ffd19626210 RDI: 0000000000000003
RBP: 000055b7c08680ff R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000055b7c085f5f6
R13: 000055b7c085f60a R14: 00007ffd19636470 R15: 00007ffd196262a0
Fixes: b1396c2bd675 ("cxgb4: parse and configure TC-MQPRIO offload")
Signed-off-by: Rahul Lakkireddy <rahul.lakkireddy@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/net-queue
Tony Nguyen says:
====================
Intel Wired LAN Driver Updates 2021-06-04
This series contains updates to virtchnl header file and ice driver.
Brett fixes VF being unable to request a different number of queues then
allocated and adds clearing of VF_MBX_ATQLEN register for VF reset.
Haiyue handles error of rebuilding VF VSI during reset.
Paul fixes reporting of autoneg to use the PHY capabilities.
Dave allows LLDP packets without priority of TC_PRIO_CONTROL to be
transmitted.
Geert Uytterhoeven adds explicit padding to virtchnl_proto_hdrs
structure in the virtchnl header file.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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When removing single nodes, it's possible that that node's parent is an
empty intermediate node, in which case, it too should be removed.
Otherwise the trie fills up and never is fully emptied, leading to
gradual memory leaks over time for tries that are modified often. There
was originally code to do this, but was removed during refactoring in
2016 and never reworked. Now that we have proper parent pointers from
the previous commits, we can implement this properly.
In order to reduce branching and expensive comparisons, we want to keep
the double pointer for parent assignment (which lets us easily chain up
to the root), but we still need to actually get the parent's base
address. So encode the bit number into the last two bits of the pointer,
and pack and unpack it as needed. This is a little bit clumsy but is the
fastest and less memory wasteful of the compromises. Note that we align
the root struct here to a minimum of 4, because it's embedded into a
larger struct, and we're relying on having the bottom two bits for our
flag, which would only be 16-bit aligned on m68k.
The existing macro-based helpers were a bit unwieldy for adding the bit
packing to, so this commit replaces them with safer and clearer ordinary
functions.
We add a test to the randomized/fuzzer part of the selftests, to free
the randomized tries by-peer, refuzz it, and repeat, until it's supposed
to be empty, and then then see if that actually resulted in the whole
thing being emptied. That combined with kmemcheck should hopefully make
sure this commit is doing what it should. Along the way this resulted in
various other cleanups of the tests and fixes for recent graphviz.
Fixes: e7096c131e51 ("net: WireGuard secure network tunnel")
Cc: stable@vger.kernel.org
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The previous commit moved from O(n) to O(1) for removal, but in the
process introduced an additional pointer member to a struct that
increased the size from 60 to 68 bytes, putting nodes in the 128-byte
slab. With deployed systems having as many as 2 million nodes, this
represents a significant doubling in memory usage (128 MiB -> 256 MiB).
Fix this by using our own kmem_cache, that's sized exactly right. This
also makes wireguard's memory usage more transparent in tools like
slabtop and /proc/slabinfo.
Fixes: e7096c131e51 ("net: WireGuard secure network tunnel")
Suggested-by: Arnd Bergmann <arnd@arndb.de>
Suggested-by: Matthew Wilcox <willy@infradead.org>
Cc: stable@vger.kernel.org
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Previously, deleting peers would require traversing the entire trie in
order to rebalance nodes and safely free them. This meant that removing
1000 peers from a trie with a half million nodes would take an extremely
long time, during which we're holding the rtnl lock. Large-scale users
were reporting 200ms latencies added to the networking stack as a whole
every time their userspace software would queue up significant removals.
That's a serious situation.
This commit fixes that by maintaining a double pointer to the parent's
bit pointer for each node, and then using the already existing node list
belonging to each peer to go directly to the node, fix up its pointers,
and free it with RCU. This means removal is O(1) instead of O(n), and we
don't use gobs of stack.
The removal algorithm has the same downside as the code that it fixes:
it won't collapse needlessly long runs of fillers. We can enhance that
in the future if it ever becomes a problem. This commit documents that
limitation with a TODO comment in code, a small but meaningful
improvement over the prior situation.
Currently the biggest flaw, which the next commit addresses, is that
because this increases the node size on 64-bit machines from 60 bytes to
68 bytes. 60 rounds up to 64, but 68 rounds up to 128. So we wind up
using twice as much memory per node, because of power-of-two
allocations, which is a big bummer. We'll need to figure something out
there.
Fixes: e7096c131e51 ("net: WireGuard secure network tunnel")
Cc: stable@vger.kernel.org
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The randomized trie tests weren't initializing the dummy peer list head,
resulting in a NULL pointer dereference when used. Fix this by
initializing it in the randomized trie test, just like we do for the
static unit test.
While we're at it, all of the other strings like this have the word
"self-test", so add it to the missing place here.
Fixes: e7096c131e51 ("net: WireGuard secure network tunnel")
Cc: stable@vger.kernel.org
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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With deployments having upwards of 600k peers now, this somewhat heavy
structure could benefit from more fine-grained allocations.
Specifically, instead of using a 2048-byte slab for a 1544-byte object,
we can now use 1544-byte objects directly, thus saving almost 25%
per-peer, or with 600k peers, that's a savings of 303 MiB. This also
makes wireguard's memory usage more transparent in tools like slabtop
and /proc/slabinfo.
Fixes: 8b5553ace83c ("wireguard: queueing: get rid of per-peer ring buffers")
Suggested-by: Arnd Bergmann <arnd@arndb.de>
Suggested-by: Matthew Wilcox <willy@infradead.org>
Cc: stable@vger.kernel.org
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Many of the synchronization points are sometimes called under the rtnl
lock, which means we should use synchronize_net rather than
synchronize_rcu. Under the hood, this expands to using the expedited
flavor of function in the event that rtnl is held, in order to not stall
other concurrent changes.
This fixes some very, very long delays when removing multiple peers at
once, which would cause some operations to take several minutes.
Fixes: e7096c131e51 ("net: WireGuard secure network tunnel")
Cc: stable@vger.kernel.org
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Apparently, various versions of gcc have O3-related miscompiles. Looking
at the difference between -O2 and -O3 for gcc 11 doesn't indicate
miscompiles, but the difference also doesn't seem so significant for
performance that it's worth risking.
Link: https://lore.kernel.org/lkml/CAHk-=wjuoGyxDhAF8SsrTkN0-YfCx7E6jUN3ikC_tn2AKWTTsA@mail.gmail.com/
Link: https://lore.kernel.org/lkml/CAHmME9otB5Wwxp7H8bR_i2uH2esEMvoBMC8uEXBMH9p0q1s6Bw@mail.gmail.com/
Reported-by: Linus Torvalds <torvalds@linux-foundation.org>
Fixes: e7096c131e51 ("net: WireGuard secure network tunnel")
Cc: stable@vger.kernel.org
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Mark bus as suspended during system suspend to block the future
transfers. Implement geni_i2c_resume_noirq() to resume the bus.
Fixes: 37692de5d523 ("i2c: i2c-qcom-geni: Add bus driver for the Qualcomm GENI I2C controller")
Signed-off-by: Roja Rani Yarubandi <rojay@codeaurora.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
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If the hardware is still accessing memory after SMMU translation
is disabled (as part of smmu shutdown callback), then the
IOVAs (I/O virtual address) which it was using will go on the bus
as the physical addresses which will result in unknown crashes
like NoC/interconnect errors.
So, implement shutdown callback for i2c driver to suspend the bus
during system "reboot" or "shutdown".
Fixes: 37692de5d523 ("i2c: i2c-qcom-geni: Add bus driver for the Qualcomm GENI I2C controller")
Signed-off-by: Roja Rani Yarubandi <rojay@codeaurora.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
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Pull drm fixes from Dave Airlie:
"Two big regression reverts in here, one for fbdev and one i915.
Otherwise it's mostly amdgpu display fixes, and tegra fixes.
fb:
- revert broken fb_defio patch
amdgpu:
- Display fixes
- FRU EEPROM error handling fix
- RAS fix
- PSP fix
- Releasing pinned BO fix
i915:
- Revert conversion to io_mapping_map_user() which lead to BUG_ON()
- Fix check for error valued returns in a selftest
tegra:
- SOR power domain race condition fix
- build warning fix
- runtime pm ref leak fix
- modifier fix"
* tag 'drm-fixes-2021-06-04-1' of git://anongit.freedesktop.org/drm/drm:
amd/display: convert DRM_DEBUG_ATOMIC to drm_dbg_atomic
drm/amdgpu: make sure we unpin the UVD BO
drm/amd/amdgpu:save psp ring wptr to avoid attack
drm/amd/display: Fix potential memory leak in DMUB hw_init
drm/amdgpu: Don't query CE and UE errors
drm/amd/display: Fix overlay validation by considering cursors
drm/amdgpu: refine amdgpu_fru_get_product_info
drm/amdgpu: add judgement for dc support
drm/amd/display: Fix GPU scaling regression by FS video support
drm/amd/display: Allow bandwidth validation for 0 streams.
Revert "i915: use io_mapping_map_user"
drm/i915/selftests: Fix return value check in live_breadcrumbs_smoketest()
Revert "fb_defio: Remove custom address_space_operations"
drm/tegra: Correct DRM_FORMAT_MOD_NVIDIA_SECTOR_LAYOUT
drm/tegra: sor: Fix AUX device reference leak
drm/tegra: Get ref for DP AUX channel, not its ddc adapter
drm/tegra: Fix shift overflow in tegra_shared_plane_atomic_update
drm/tegra: sor: Fully initialize SOR before registration
gpu: host1x: Split up client initalization and registration
drm/tegra: sor: Do not leak runtime PM reference
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Currently in the ice driver, the check whether to
allow a LLDP packet to egress the interface from the
PF_VSI is being based on the SKB's priority field.
It checks to see if the packets priority is equal to
TC_PRIO_CONTROL. Injected LLDP packets do not always
meet this condition.
SCAPY defaults to a sk_buff->protocol value of ETH_P_ALL
(0x0003) and does not set the priority field. There will
be other injection methods (even ones used by end users)
that will not correctly configure the socket so that
SKB fields are correctly populated.
Then ethernet header has to have to correct value for
the protocol though.
Add a check to also allow packets whose ethhdr->h_proto
matches ETH_P_LLDP (0x88CC).
Fixes: 0c3a6101ff2d ("ice: Allow egress control packets from PF_VSI")
Signed-off-by: Dave Ertman <david.m.ertman@intel.com>
Tested-by: Tony Brelinski <tonyx.brelinski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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Ethtool incorrectly reported supported and advertised auto-negotiation
settings for a backplane PHY image which did not support auto-negotiation.
This can occur when using media or PHY type for reporting ethtool
supported and advertised auto-negotiation settings.
Remove setting supported and advertised auto-negotiation settings based
on PHY type in ice_phy_type_to_ethtool(), and MAC type in
ice_get_link_ksettings().
Ethtool supported and advertised auto-negotiation settings should be
based on the PHY image using the AQ command get PHY capabilities with
media. Add setting supported and advertised auto-negotiation settings
based get PHY capabilities with media in ice_get_link_ksettings().
Fixes: 48cb27f2fd18 ("ice: Implement handlers for ethtool PHY/link operations")
Signed-off-by: Paul Greenwalt <paul.greenwalt@intel.com>
Tested-by: Tony Brelinski <tonyx.brelinski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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VSI rebuild can be failed for LAN queue config, then the VF's VSI will
be NULL, the VF reset should be stopped with the VF entering into the
disable state.
Fixes: 12bb018c538c ("ice: Refactor VF reset")
Signed-off-by: Haiyue Wang <haiyue.wang@intel.com>
Tested-by: Konrad Jankowski <konrad0.jankowski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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Some AVF drivers expect the VF_MBX_ATQLEN register to be cleared for any
type of VFR/VFLR. Fix this by clearing the VF_MBX_ATQLEN register at the
same time as VF_MBX_ARQLEN.
Fixes: 82ba01282cf8 ("ice: clear VF ARQLEN register on reset")
Signed-off-by: Brett Creeley <brett.creeley@intel.com>
Tested-by: Konrad Jankowski <konrad0.jankowski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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Commit 12bb018c538c ("ice: Refactor VF reset") caused a regression
that removes the ability for a VF to request a different amount of
queues via VIRTCHNL_OP_REQUEST_QUEUES. This prevents VF drivers to
either increase or decrease the number of queue pairs they are
allocated. Fix this by using the variable vf->num_req_qs when
determining the vf->num_vf_qs during VF VSI creation.
Fixes: 12bb018c538c ("ice: Refactor VF reset")
Signed-off-by: Brett Creeley <brett.creeley@intel.com>
Tested-by: Konrad Jankowski <konrad0.jankowski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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ssh://git.freedesktop.org/git/tegra/linux into drm-fixes
drm/tegra: Fixes for v5.13-rc5
The most important change here fixes a race condition that causes either
HDA or (more frequently) display to malfunction because they race for
enabling the SOR power domain at probe time.
Other than that, there's a couple of build warnings for issues
introduced in v5.13 as well as some minor fixes, such as reference leak
plugs.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Thierry Reding <thierry.reding@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210603144624.788861-1-thierry.reding@gmail.com
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https://gitlab.freedesktop.org/agd5f/linux into drm-fixes
amd-drm-fixes-5.13-2021-06-02:
amdgpu:
- Display fixes
- FRU EEPROM error handling fix
- RAS fix
- PSP fix
- Releasing pinned BO fix
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210603040410.4080-1-alexander.deucher@amd.com
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git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth
bluetooth pull request for net:
- Fixes UAF and CVE-2021-3564
- Fix VIRTIO_ID_BT to use an unassigned ID
- Fix firmware loading on some Intel Controllers
Signed-off-by: David S. Miller <davem@davemloft.net>
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In virtio-net's large packet mode, there is a hole in the space behind
buf.
hdr_padded_len - hdr_len
We must take this into account when calculating tailroom.
[ 44.544385] skb_put.cold (net/core/skbuff.c:5254 (discriminator 1) net/core/skbuff.c:5252 (discriminator 1))
[ 44.544864] page_to_skb (drivers/net/virtio_net.c:485) [ 44.545361] receive_buf (drivers/net/virtio_net.c:849 drivers/net/virtio_net.c:1131)
[ 44.545870] ? netif_receive_skb_list_internal (net/core/dev.c:5714)
[ 44.546628] ? dev_gro_receive (net/core/dev.c:6103)
[ 44.547135] ? napi_complete_done (./include/linux/list.h:35 net/core/dev.c:5867 net/core/dev.c:5862 net/core/dev.c:6565)
[ 44.547672] virtnet_poll (drivers/net/virtio_net.c:1427 drivers/net/virtio_net.c:1525)
[ 44.548251] __napi_poll (net/core/dev.c:6985)
[ 44.548744] net_rx_action (net/core/dev.c:7054 net/core/dev.c:7139)
[ 44.549264] __do_softirq (./arch/x86/include/asm/jump_label.h:19 ./include/linux/jump_label.h:200 ./include/trace/events/irq.h:142 kernel/softirq.c:560)
[ 44.549762] irq_exit_rcu (kernel/softirq.c:433 kernel/softirq.c:637 kernel/softirq.c:649)
[ 44.551384] common_interrupt (arch/x86/kernel/irq.c:240 (discriminator 13))
[ 44.551991] ? asm_common_interrupt (./arch/x86/include/asm/idtentry.h:638)
[ 44.552654] asm_common_interrupt (./arch/x86/include/asm/idtentry.h:638)
Fixes: fb32856b16ad ("virtio-net: page_to_skb() use build_skb when there's sufficient tailroom")
Signed-off-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com>
Reported-by: Corentin Noël <corentin.noel@collabora.com>
Tested-by: Corentin Noël <corentin.noel@collabora.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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