Second round of updates for libata for 5.16:
* Fix READ LOG EXT and READ LOG DMA EXT command timeouts during disk
revalidation after a resume or a modprobe of the LLDD (from me).
* Remove unnecessary error message in sata_highbank driver (from Xu).
* Better handling of accesses to the IDENTIFY DEVICE data log for drives
that do not support this log page (from me).
* Fix ahci_shost_attr_group declaration in ahci driver (from me).
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Merge tag 'libata-5.16-rc1-p2' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/libata
Pull more libata updates from Damien Le Moal:
"Second round of updates for libata for 5.16:
- Fix READ LOG EXT and READ LOG DMA EXT command timeouts during disk
revalidation after a resume or a modprobe of the LLDD (me)
- Remove unnecessary error message in sata_highbank driver (Xu)
- Better handling of accesses to the IDENTIFY DEVICE data log for
drives that do not support this log page (me)
- Fix ahci_shost_attr_group declaration in ahci driver (me)"
* tag 'libata-5.16-rc1-p2' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/libata:
libata: libahci: declare ahci_shost_attr_group as static
libata: add horkage for missing Identify Device log
ata: sata_highbank: Remove unnecessary print function dev_err()
libata: fix read log timeout value
TL;DR: While a tool like liblockdep is useful, it probably doesn't
belong within the kernel tree.
liblockdep attempts to reuse kernel code both directly (by directly
building the kernel's lockdep code) as well as indirectly (by using
sanitized headers). This makes liblockdep an integral part of the
kernel.
It also makes liblockdep quite unique: while other userspace code might
use sanitized headers, it generally doesn't attempt to use kernel code
directly which means that changes on the kernel side of things don't
affect (and break) it directly.
All our workflows and tooling around liblockdep don't support this
uniqueness. Changes that go into the kernel code aren't validated to not
break in-tree userspace code.
liblockdep ended up being very fragile, breaking over and over, to the
point that living in the same tree as the lockdep code lost most of it's
value.
liblockdep should continue living in an external tree, syncing with
the kernel often, in a controllable way.
Signed-off-by: Sasha Levin <sashal@kernel.org>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Commit aeb58c860d ("thermal/drivers/int340x: processor_thermal: Suppot
64 bit RFIM responses") started using 'readq()' to read 64-bit status
responses from the int340x hardware.
That's all fine and good, but on 32-bit targets a 64-bit 'readq()' is
ambiguous, since it's no longer an atomic access. Some hardware might
require 64-bit accesses, and other hardware might want low word first or
high word first.
It's quite likely that the driver isn't relevant in a 32-bit environment
any more, and there's a patch floating around to just make it depend on
X86_64, but let's make it buildable on x86-32 anyway.
The driver previously just read the low 32 bits, so the hardware
certainly is ok with 32-bit reads, and in a little-endian environment
the low word first model is the natural one.
So just add the include for the 'io-64-nonatomic-lo-hi.h' version.
Fixes: aeb58c860d ("thermal/drivers/int340x: processor_thermal: Suppot 64 bit RFIM responses")
Reported-by: Jakub Kicinski <kuba@kernel.org>
Cc: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Cc: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Merge tag 'pci-v5.16-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull PCI fixes from Bjorn Helgaas:
"Revert conversion to struct device.driver instead of struct
pci_dev.driver.
The device.driver is set earlier, and using it caused the PCI core to
call driver PM entry points before .probe() and after .remove(), when
the driver isn't prepared.
This caused NULL pointer dereferences in i2c_designware_pci and
probably other driver issues"
* tag 'pci-v5.16-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci:
Revert "PCI: Use to_pci_driver() instead of pci_dev->driver"
Revert "PCI: Remove struct pci_dev->driver"
ahci_shost_attr_group is referenced only in drivers/ata/libahci.c.
Declare it as static.
Fixes: c3f69c7f62 ("scsi: ata: Switch to attribute groups")
Cc: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
ACS-3 introduced the ATA Identify Device Data log as mandatory. A
warning message currently signals to the user if a device does not
report supporting this log page in the log directory page, regardless
of the ATA version of the device. Furthermore, this warning will appear
for all attempts at accessing this missing log page during device
revalidation.
Since it is useless to constantly access the log directory and warn
about this lack of support once we have discovered that the device
does not support this log page, introduce the horkage flag
ATA_HORKAGE_NO_ID_DEV_LOG to mark a device as lacking support for
the Identify Device Data log page. Set this flag when
ata_log_supported() returns false in ata_identify_page_supported().
The warning is printed only if the device ATA level is 10 or above
(ACS-3 or above), and only once on device scan. With this flag set, the
log directory page is not accessed again to test for Identify Device
Data log page support.
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
This series contains initialization fixups, testing improvements, addition
of instruction pointer to data-race reports, and scoped data-race checks.
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Merge tag 'kcsan.2021.11.11a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu
Pull KCSAN updates from Paul McKenney:
"This contains initialization fixups, testing improvements, addition of
instruction pointer to data-race reports, and scoped data-race checks"
* tag 'kcsan.2021.11.11a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu:
kcsan: selftest: Cleanup and add missing __init
kcsan: Move ctx to start of argument list
kcsan: Support reporting scoped read-write access type
kcsan: Start stack trace with explicit location if provided
kcsan: Save instruction pointer for scoped accesses
kcsan: Add ability to pass instruction pointer of access to reporting
kcsan: test: Fix flaky test case
kcsan: test: Use kunit_skip() to skip tests
kcsan: test: Defer kcsan_test_init() after kunit initialization
Merge more updates from Andrew Morton:
"The post-linux-next material.
7 patches.
Subsystems affected by this patch series (all mm): debug,
slab-generic, migration, memcg, and kasan"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
kasan: add kasan mode messages when kasan init
mm: unexport {,un}lock_page_memcg
mm: unexport folio_memcg_{,un}lock
mm/migrate.c: remove MIGRATE_PFN_LOCKED
mm: migrate: simplify the file-backed pages validation when migrating its mapping
mm: allow only SLUB on PREEMPT_RT
mm/page_owner.c: modify the type of argument "order" in some functions
. remove unused CONFIG_MCPU32 symbol
. default CONFIG_MEMORY_RESERVE value (for scripting)
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Merge tag 'm68knommu-for-v5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu
Pull m68knommu updates from Greg Ungerer:
"Only two changes.
One removes the now unused CONFIG_MCPU32 symbol. The other sets a
default for the CONFIG_MEMORY_RESERVE config symbol (this aids
scripting and other automation) so you don't interactively get asked
for a value at configure time.
Summary:
- remove unused CONFIG_MCPU32 symbol
- default CONFIG_MEMORY_RESERVE value (for scripting)"
* tag 'm68knommu-for-v5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu:
m68knommu: Remove MCPU32 config symbol
m68k: set a default value for MEMORY_RESERVE
This reverts commit 2a4d9408c9.
Robert reported a NULL pointer dereference caused by the PCI core
(local_pci_probe()) calling the i2c_designware_pci driver's
.runtime_resume() method before the .probe() method. i2c_dw_pci_resume()
depends on initialization done by i2c_dw_pci_probe().
Prior to 2a4d9408c9 ("PCI: Use to_pci_driver() instead of
pci_dev->driver"), pci_pm_runtime_resume() avoided calling the
.runtime_resume() method because pci_dev->driver had not been set yet.
2a4d9408c9 and b5f9c644eb ("PCI: Remove struct pci_dev->driver"),
removed pci_dev->driver, replacing it by device->driver, which *has* been
set by this time, so pci_pm_runtime_resume() called the .runtime_resume()
method when it previously had not.
Fixes: 2a4d9408c9 ("PCI: Use to_pci_driver() instead of pci_dev->driver")
Link: https://lore.kernel.org/linux-i2c/CAP145pgdrdiMAT7=-iB1DMgA7t_bMqTcJL4N0=6u8kNY3EU0dw@mail.gmail.com/
Reported-by: Robert Święcki <robert@swiecki.net>
Tested-by: Robert Święcki <robert@swiecki.net>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
This reverts commit b5f9c644eb.
Revert b5f9c644eb ("PCI: Remove struct pci_dev->driver"), which is needed
to revert 2a4d9408c9 ("PCI: Use to_pci_driver() instead of
pci_dev->driver").
2a4d9408c9 caused a NULL pointer dereference reported by Robert Święcki.
Details in the revert of that commit.
Fixes: 2a4d9408c9 ("PCI: Use to_pci_driver() instead of pci_dev->driver")
Link: https://lore.kernel.org/linux-i2c/CAP145pgdrdiMAT7=-iB1DMgA7t_bMqTcJL4N0=6u8kNY3EU0dw@mail.gmail.com/
Reported-by: Robert Święcki <robert@swiecki.net>
Tested-by: Robert Święcki <robert@swiecki.net>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
and netfilter.
Current release - regressions:
- bpf: do not reject when the stack read size is different
from the tracked scalar size
- net: fix premature exit from NAPI state polling in napi_disable()
- riscv, bpf: fix RV32 broken build, and silence RV64 warning
Current release - new code bugs:
- net: fix possible NULL deref in sock_reserve_memory
- amt: fix error return code in amt_init(); fix stopping the workqueue
- ax88796c: use the correct ioctl callback
Previous releases - always broken:
- bpf: stop caching subprog index in the bpf_pseudo_func insn
- security: fixups for the security hooks in sctp
- nfc: add necessary privilege flags in netlink layer, limit operations
to admin only
- vsock: prevent unnecessary refcnt inc for non-blocking connect
- net/smc: fix sk_refcnt underflow on link down and fallback
- nfnetlink_queue: fix OOB when mac header was cleared
- can: j1939: ignore invalid messages per standard
- bpf, sockmap:
- fix race in ingress receive verdict with redirect to self
- fix incorrect sk_skb data_end access when src_reg = dst_reg
- strparser, and tls are reusing qdisc_skb_cb and colliding
- ethtool: fix ethtool msg len calculation for pause stats
- vlan: fix a UAF in vlan_dev_real_dev() when ref-holder tries
to access an unregistering real_dev
- udp6: make encap_rcv() bump the v6 not v4 stats
- drv: prestera: add explicit padding to fix m68k build
- drv: felix: fix broken VLAN-tagged PTP under VLAN-aware bridge
- drv: mvpp2: fix wrong SerDes reconfiguration order
Misc & small latecomers:
- ipvs: auto-load ipvs on genl access
- mctp: sanity check the struct sockaddr_mctp padding fields
- libfs: support RENAME_EXCHANGE in simple_rename()
- avoid double accounting for pure zerocopy skbs
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-5.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from bpf, can and netfilter.
Current release - regressions:
- bpf: do not reject when the stack read size is different from the
tracked scalar size
- net: fix premature exit from NAPI state polling in napi_disable()
- riscv, bpf: fix RV32 broken build, and silence RV64 warning
Current release - new code bugs:
- net: fix possible NULL deref in sock_reserve_memory
- amt: fix error return code in amt_init(); fix stopping the
workqueue
- ax88796c: use the correct ioctl callback
Previous releases - always broken:
- bpf: stop caching subprog index in the bpf_pseudo_func insn
- security: fixups for the security hooks in sctp
- nfc: add necessary privilege flags in netlink layer, limit
operations to admin only
- vsock: prevent unnecessary refcnt inc for non-blocking connect
- net/smc: fix sk_refcnt underflow on link down and fallback
- nfnetlink_queue: fix OOB when mac header was cleared
- can: j1939: ignore invalid messages per standard
- bpf, sockmap:
- fix race in ingress receive verdict with redirect to self
- fix incorrect sk_skb data_end access when src_reg = dst_reg
- strparser, and tls are reusing qdisc_skb_cb and colliding
- ethtool: fix ethtool msg len calculation for pause stats
- vlan: fix a UAF in vlan_dev_real_dev() when ref-holder tries to
access an unregistering real_dev
- udp6: make encap_rcv() bump the v6 not v4 stats
- drv: prestera: add explicit padding to fix m68k build
- drv: felix: fix broken VLAN-tagged PTP under VLAN-aware bridge
- drv: mvpp2: fix wrong SerDes reconfiguration order
Misc & small latecomers:
- ipvs: auto-load ipvs on genl access
- mctp: sanity check the struct sockaddr_mctp padding fields
- libfs: support RENAME_EXCHANGE in simple_rename()
- avoid double accounting for pure zerocopy skbs"
* tag 'net-5.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (123 commits)
selftests/net: udpgso_bench_rx: fix port argument
net: wwan: iosm: fix compilation warning
cxgb4: fix eeprom len when diagnostics not implemented
net: fix premature exit from NAPI state polling in napi_disable()
net/smc: fix sk_refcnt underflow on linkdown and fallback
net/mlx5: Lag, fix a potential Oops with mlx5_lag_create_definer()
gve: fix unmatched u64_stats_update_end()
net: ethernet: lantiq_etop: Fix compilation error
selftests: forwarding: Fix packet matching in mirroring selftests
vsock: prevent unnecessary refcnt inc for nonblocking connect
net: marvell: mvpp2: Fix wrong SerDes reconfiguration order
net: ethernet: ti: cpsw_ale: Fix access to un-initialized memory
net: stmmac: allow a tc-taprio base-time of zero
selftests: net: test_vxlan_under_vrf: fix HV connectivity test
net: hns3: allow configure ETS bandwidth of all TCs
net: hns3: remove check VF uc mac exist when set by PF
net: hns3: fix some mac statistics is always 0 in device version V2
net: hns3: fix kernel crash when unload VF while it is being reset
net: hns3: sync rx ring head in echo common pull
net: hns3: fix pfc packet number incorrect after querying pfc parameters
...
Here is a single fix for 5.16-rc1 to resolve a build problem that came
in through the coresight tree (and as such came in through the char/misc
tree merge in the 5.16-rc1 merge window).
It resolves a build problem with 'allmodconfig' on arm64 and is acked by
the proper subsystem maintainers. It has been in linux-next all week
with no reported problems.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-5.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc fix from Greg KH:
"Here is a single fix for 5.16-rc1 to resolve a build problem that came
in through the coresight tree (and as such came in through the
char/misc tree merge in the 5.16-rc1 merge window).
It resolves a build problem with 'allmodconfig' on arm64 and is acked
by the proper subsystem maintainers. It has been in linux-next all
week with no reported problems"
* tag 'char-misc-5.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
arm64: cpufeature: Export this_cpu_has_cap helper
Here are some small reverts and fixes for USB drivers for issues that
came up during the 5.16-rc1 merge window.
These include:
- two reverts of xhci and USB core patches that are causing
problems in many systems.
- xhci 3.1 enumeration delay fix for systems that were having
problems.
All 3 of these have been in linux-next all week with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-5.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg KH:
"Here are some small reverts and fixes for USB drivers for issues that
came up during the 5.16-rc1 merge window.
These include:
- two reverts of xhci and USB core patches that are causing problems
in many systems.
- xhci 3.1 enumeration delay fix for systems that were having
problems.
All three of these have been in linux-next all week with no reported
issues"
* tag 'usb-5.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
xhci: Fix USB 3.1 enumeration issues by increasing roothub power-on-good delay
Revert "usb: core: hcd: Add support for deferring roothub registration"
Revert "xhci: Set HCD flag to defer primary roothub registration"
There are multiple kasan modes. It makes sense that we add some
messages to know which kasan mode is active when booting up [1].
Link: https://bugzilla.kernel.org/show_bug.cgi?id=212195 [1]
Link: https://lkml.kernel.org/r/20211020094850.4113-1-Kuan-Ying.Lee@mediatek.com
Signed-off-by: Kuan-Ying Lee <Kuan-Ying.Lee@mediatek.com>
Reviewed-by: Marco Elver <elver@google.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Cc: Andrey Ryabinin <ryabinin.a.a@gmail.com>
Cc: Alexander Potapenko <glider@google.com>
Cc: Andrey Konovalov <andreyknvl@gmail.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will@kernel.org>
Cc: Matthias Brugger <matthias.bgg@gmail.com>
Cc: Chinwen Chang <chinwen.chang@mediatek.com>
Cc: Yee Lee <yee.lee@mediatek.com>
Cc: Nicholas Tang <nicholas.tang@mediatek.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
These are only used in built-in core mm code.
Link: https://lkml.kernel.org/r/20210820095815.445392-3-hch@lst.de
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Vladimir Davydov <vdavydov.dev@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Patch series "unexport memcg locking helpers".
Neither the old page-based nor the new folio-based memcg locking helpers
are used in modular code at all, so drop the exports.
This patch (of 2):
folio_memcg_{,un}lock are only used in built-in core mm code.
Link: https://lkml.kernel.org/r/20210820095815.445392-1-hch@lst.de
Link: https://lkml.kernel.org/r/20210820095815.445392-2-hch@lst.de
Signed-off-by: Christoph Hellwig <hch@lst.de>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Vladimir Davydov <vdavydov.dev@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
MIGRATE_PFN_LOCKED is used to indicate to migrate_vma_prepare() that a
source page was already locked during migrate_vma_collect(). If it
wasn't then the a second attempt is made to lock the page. However if
the first attempt failed it's unlikely a second attempt will succeed,
and the retry adds complexity. So clean this up by removing the retry
and MIGRATE_PFN_LOCKED flag.
Destination pages are also meant to have the MIGRATE_PFN_LOCKED flag
set, but nothing actually checks that.
Link: https://lkml.kernel.org/r/20211025041608.289017-1-apopple@nvidia.com
Signed-off-by: Alistair Popple <apopple@nvidia.com>
Reviewed-by: Ralph Campbell <rcampbell@nvidia.com>
Acked-by: Felix Kuehling <Felix.Kuehling@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: Jerome Glisse <jglisse@redhat.com>
Cc: John Hubbard <jhubbard@nvidia.com>
Cc: Zi Yan <ziy@nvidia.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Ben Skeggs <bskeggs@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
There is no need to validate the file-backed page's refcount before
trying to freeze the page's expected refcount, instead we can rely on
the folio_ref_freeze() to validate if the page has the expected refcount
before migrating its mapping.
Moreover we are always under the page lock when migrating the page
mapping, which means nowhere else can remove it from the page cache, so
we can remove the xas_load() validation under the i_pages lock.
Link: https://lkml.kernel.org/r/cover.1629447552.git.baolin.wang@linux.alibaba.com
Link: https://lkml.kernel.org/r/df4c129fd8e86a95dbc55f4663d77441cc0d3bd1.1629447552.git.baolin.wang@linux.alibaba.com
Signed-off-by: Baolin Wang <baolin.wang@linux.alibaba.com>
Suggested-by: Matthew Wilcox <willy@infradead.org>
Cc: Yang Shi <shy828301@gmail.com>
Cc: Alistair Popple <apopple@nvidia.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Memory allocators may disable interrupts or preemption as part of the
allocation and freeing process. For PREEMPT_RT it is important that
these sections remain deterministic and short and therefore don't depend
on the size of the memory to allocate/ free or the inner state of the
algorithm.
Until v3.12-RT the SLAB allocator was an option but involved several
changes to meet all the requirements. The SLUB design fits better with
PREEMPT_RT model and so the SLAB patches were dropped in the 3.12-RT
patchset. Comparing the two allocator, SLUB outperformed SLAB in both
throughput (time needed to allocate and free memory) and the maximal
latency of the system measured with cyclictest during hackbench.
SLOB was never evaluated since it was unlikely that it preforms better
than SLAB. During a quick test, the kernel crashed with SLOB enabled
during boot.
Disable SLAB and SLOB on PREEMPT_RT.
[bigeasy@linutronix.de: commit description]
Link: https://lkml.kernel.org/r/20211015210336.gen3tib33ig5q2md@linutronix.de
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Cc: Christoph Lameter <cl@linux.com>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: David Rientjes <rientjes@google.com>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
The type of "order" in struct page_owner is unsigned short.
However, it is unsigned int in the following 3 functions:
__reset_page_owner
__set_page_owner_handle
__set_page_owner_handle
The type of "order" in argument list is unsigned int, which is
inconsistent.
[akpm@linux-foundation.org: update include/linux/page_owner.h]
Link: https://lkml.kernel.org/r/20211020125945.47792-1-caoyixuan2019@email.szu.edu.cn
Signed-off-by: Yixuan Cao <caoyixuan2019@email.szu.edu.cn>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
The below commit added optional support for passing a bind address.
It configures the sockaddr bind arguments before parsing options and
reconfigures on options -b and -4.
This broke support for passing port (-p) on its own.
Configure sockaddr after parsing all arguments.
Fixes: 3327a9c463 ("selftests: add functionals test for UDP GRO")
Reported-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
curr_phase is unused. Removed the dead code.
Fixes: 8d9be06341 ("net: wwan: iosm: transport layer support for fw flashing/cd")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: M Chetan Kumar <m.chetan.kumar@linux.intel.com>
Reviewed-by: Loic Poulain <loic.poulain@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Ensure diagnostics monitoring support is implemented for the SFF 8472
compliant port module and set the correct length for ethtool port
module eeprom read.
Fixes: f56ec6766d ("cxgb4: Add support for ethtool i2c dump")
Signed-off-by: Manoj Malviya <manojmalviya@chelsio.com>
Signed-off-by: Rahul Lakkireddy <rahul.lakkireddy@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The print function dev_err() is redundant because
platform_get_irq() already prints an error.
Signed-off-by: Xu Wang <vulab@iscas.ac.cn>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Some ATA drives are very slow to respond to READ_LOG_EXT and
READ_LOG_DMA_EXT commands issued from ata_dev_configure() when the
device is revalidated right after resuming a system or inserting the
ATA adapter driver (e.g. ahci). The default 5s timeout
(ATA_EH_CMD_DFL_TIMEOUT) used for these commands is too short, causing
errors during the device configuration. Ex:
...
ata9: SATA max UDMA/133 abar m524288@0x9d200000 port 0x9d200400 irq 209
ata9: SATA link up 6.0 Gbps (SStatus 133 SControl 300)
ata9.00: ATA-9: XXX XXXXXXXXXXXXXXX, XXXXXXXX, max UDMA/133
ata9.00: qc timeout (cmd 0x2f)
ata9.00: Read log page 0x00 failed, Emask 0x4
ata9.00: Read log page 0x00 failed, Emask 0x40
ata9.00: NCQ Send/Recv Log not supported
ata9.00: Read log page 0x08 failed, Emask 0x40
ata9.00: 27344764928 sectors, multi 16: LBA48 NCQ (depth 32), AA
ata9.00: Read log page 0x00 failed, Emask 0x40
ata9.00: ATA Identify Device Log not supported
ata9.00: failed to set xfermode (err_mask=0x40)
ata9: SATA link up 6.0 Gbps (SStatus 133 SControl 300)
ata9.00: configured for UDMA/133
...
The timeout error causes a soft reset of the drive link, followed in
most cases by a successful revalidation as that give enough time to the
drive to become fully ready to quickly process the read log commands.
However, in some cases, this also fails resulting in the device being
dropped.
Fix this by using adding the ata_eh_revalidate_timeouts entries for the
READ_LOG_EXT and READ_LOG_DMA_EXT commands. This defines a timeout
increased to 15s, retriable one time.
Reported-by: Geert Uytterhoeven <geert@linux-m68k.org>
Tested-by: Geert Uytterhoeven <geert+renesas@glider.be>
Cc: stable@vger.kernel.org
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Commit 719c571970 ("net: make napi_disable() symmetric with
enable") accidentally introduced a bug sometimes leading to a kernel
BUG when bringing an iface up/down under heavy traffic load.
Prior to this commit, napi_disable() was polling n->state until
none of (NAPIF_STATE_SCHED | NAPIF_STATE_NPSVC) is set and then
always flip them. Now there's a possibility to get away with the
NAPIF_STATE_SCHE unset as 'continue' drops us to the cmpxchg()
call with an uninitialized variable, rather than straight to
another round of the state check.
Error path looks like:
napi_disable():
unsigned long val, new; /* new is uninitialized */
do {
val = READ_ONCE(n->state); /* NAPIF_STATE_NPSVC and/or
NAPIF_STATE_SCHED is set */
if (val & (NAPIF_STATE_SCHED | NAPIF_STATE_NPSVC)) { /* true */
usleep_range(20, 200);
continue; /* go straight to the condition check */
}
new = val | <...>
} while (cmpxchg(&n->state, val, new) != val); /* state == val, cmpxchg()
writes garbage */
napi_enable():
do {
val = READ_ONCE(n->state);
BUG_ON(!test_bit(NAPI_STATE_SCHED, &val)); /* 50/50 boom */
<...>
while the typical BUG splat is like:
[ 172.652461] ------------[ cut here ]------------
[ 172.652462] kernel BUG at net/core/dev.c:6937!
[ 172.656914] invalid opcode: 0000 [#1] PREEMPT SMP PTI
[ 172.661966] CPU: 36 PID: 2829 Comm: xdp_redirect_cp Tainted: G I 5.15.0 #42
[ 172.670222] Hardware name: Intel Corporation S2600WFT/S2600WFT, BIOS SE5C620.86B.02.01.0014.082620210524 08/26/2021
[ 172.680646] RIP: 0010:napi_enable+0x5a/0xd0
[ 172.684832] Code: 07 49 81 cc 00 01 00 00 4c 89 e2 48 89 d8 80 e6 fb f0 48 0f b1 55 10 48 39 c3 74 10 48 8b 5d 10 f6 c7 04 75 3d f6 c3 01 75 b4 <0f> 0b 5b 5d 41 5c c3 65 ff 05 b8 e5 61 53 48 c7 c6 c0 f3 34 ad 48
[ 172.703578] RSP: 0018:ffffa3c9497477a8 EFLAGS: 00010246
[ 172.708803] RAX: ffffa3c96615a014 RBX: 0000000000000000 RCX: ffff8a4b575301a0
< snip >
[ 172.782403] Call Trace:
[ 172.784857] <TASK>
[ 172.786963] ice_up_complete+0x6f/0x210 [ice]
[ 172.791349] ice_xdp+0x136/0x320 [ice]
[ 172.795108] ? ice_change_mtu+0x180/0x180 [ice]
[ 172.799648] dev_xdp_install+0x61/0xe0
[ 172.803401] dev_xdp_attach+0x1e0/0x550
[ 172.807240] dev_change_xdp_fd+0x1e6/0x220
[ 172.811338] do_setlink+0xee8/0x1010
[ 172.814917] rtnl_setlink+0xe5/0x170
[ 172.818499] ? bpf_lsm_binder_set_context_mgr+0x10/0x10
[ 172.823732] ? security_capable+0x36/0x50
< snip >
Fix this by replacing 'do { } while (cmpxchg())' with an "infinite"
for-loop with an explicit break.
From v1 [0]:
- just use a for-loop to simplify both the fix and the existing
code (Eric).
[0] https://lore.kernel.org/netdev/20211110191126.1214-1-alexandr.lobakin@intel.com
Fixes: 719c571970 ("net: make napi_disable() symmetric with enable")
Suggested-by: Eric Dumazet <edumazet@google.com> # for-loop
Signed-off-by: Alexander Lobakin <alexandr.lobakin@intel.com>
Reviewed-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Link: https://lore.kernel.org/r/20211110195605.1304-1-alexandr.lobakin@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
fixes for the combination of the inline_data and fast_commit fixes,
and more accurately calculating when to schedule additional lazy inode
table init, especially when CONFIG_HZ is 100HZ.
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Merge tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
Pull ext4 updates from Ted Ts'o:
"Only bug fixes and cleanups for ext4 this merge window.
Of note are fixes for the combination of the inline_data and
fast_commit fixes, and more accurately calculating when to schedule
additional lazy inode table init, especially when CONFIG_HZ is 100HZ"
* tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4:
ext4: fix error code saved on super block during file system abort
ext4: inline data inode fast commit replay fixes
ext4: commit inline data during fast commit
ext4: scope ret locally in ext4_try_to_trim_range()
ext4: remove an unused variable warning with CONFIG_QUOTA=n
ext4: fix boolreturn.cocci warnings in fs/ext4/name.c
ext4: prevent getting empty inode buffer
ext4: move ext4_fill_raw_inode() related functions
ext4: factor out ext4_fill_raw_inode()
ext4: prevent partial update of the extent blocks
ext4: check for inconsistent extents between index and leaf block
ext4: check for out-of-order index extents in ext4_valid_extent_entries()
ext4: convert from atomic_t to refcount_t on ext4_io_end->count
ext4: refresh the ext4_ext_path struct after dropping i_data_sem.
ext4: ensure enough credits in ext4_ext_shift_path_extents
ext4: correct the left/middle/right debug message for binsearch
ext4: fix lazy initialization next schedule time computation in more granular unit
Revert "ext4: enforce buffer head state assertion in ext4_da_map_blocks"
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Merge tag 'for-5.16-deadlock-fix-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs fix from David Sterba:
"Fix for a deadlock when direct/buffered IO is done on a mmaped file
and a fault happens (details in the patch). There's a fstest
generic/647 that triggers the problem and makes testing hard"
* tag 'for-5.16-deadlock-fix-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
btrfs: fix deadlock due to page faults during direct IO reads and writes
support for a filehandle format deprecated 20 years ago, and further
xdr-related cleanup from Chuck.
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Merge tag 'nfsd-5.16' of git://linux-nfs.org/~bfields/linux
Pull nfsd updates from Bruce Fields:
"A slow cycle for nfsd: mainly cleanup, including Neil's patch dropping
support for a filehandle format deprecated 20 years ago, and further
xdr-related cleanup from Chuck"
* tag 'nfsd-5.16' of git://linux-nfs.org/~bfields/linux: (26 commits)
nfsd4: remove obselete comment
nfsd: document server-to-server-copy parameters
NFSD:fix boolreturn.cocci warning
nfsd: update create verifier comment
SUNRPC: Change return value type of .pc_encode
SUNRPC: Replace the "__be32 *p" parameter to .pc_encode
NFSD: Save location of NFSv4 COMPOUND status
SUNRPC: Change return value type of .pc_decode
SUNRPC: Replace the "__be32 *p" parameter to .pc_decode
SUNRPC: De-duplicate .pc_release() call sites
SUNRPC: Simplify the SVC dispatch code path
SUNRPC: Capture value of xdr_buf::page_base
SUNRPC: Add trace event when alloc_pages_bulk() makes no progress
svcrdma: Split svcrmda_wc_{read,write} tracepoints
svcrdma: Split the svcrdma_wc_send() tracepoint
svcrdma: Split the svcrdma_wc_receive() tracepoint
NFSD: Have legacy NFSD WRITE decoders use xdr_stream_subsegment()
SUNRPC: xdr_stream_subsegment() must handle non-zero page_bases
NFSD: Initialize pointer ni with NULL and not plain integer 0
NFSD: simplify struct nfsfh
...
Highlights include:
Features:
- NFSv4.1 can always retrieve and cache the ACCESS mode on OPEN
- Optimisations for READDIR and the 'ls -l' style workload
- Further replacements of dprintk() with tracepoints and other tracing
improvements
- Ensure we re-probe NFSv4 server capabilities when the user does a
"mount -o remount"
Bugfixes:
- Fix an Oops in pnfs_mark_request_commit()
- Fix up deadlocks in the commit code
- Fix regressions in NFSv2/v3 attribute revalidation due to the
change_attr_type optimisations
- Fix some dentry verifier races
- Fix some missing dentry verifier settings
- Fix a performance regression in nfs_set_open_stateid_locked()
- SUNRPC was sending multiple SYN calls when re-establishing a TCP
connection.
- Fix multiple NFSv4 issues due to missing sanity checking of server
return values
- Fix a potential Oops when FREE_STATEID races with an unmount
Cleanups:
- Clean up the labelled NFS code
- Remove unused header <linux/pnfs_osd_xdr.h>
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Merge tag 'nfs-for-5.16-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfs
Pull NFS client updates from Trond Myklebust:
"Highlights include:
Features:
- NFSv4.1 can always retrieve and cache the ACCESS mode on OPEN
- Optimisations for READDIR and the 'ls -l' style workload
- Further replacements of dprintk() with tracepoints and other
tracing improvements
- Ensure we re-probe NFSv4 server capabilities when the user does a
"mount -o remount"
Bugfixes:
- Fix an Oops in pnfs_mark_request_commit()
- Fix up deadlocks in the commit code
- Fix regressions in NFSv2/v3 attribute revalidation due to the
change_attr_type optimisations
- Fix some dentry verifier races
- Fix some missing dentry verifier settings
- Fix a performance regression in nfs_set_open_stateid_locked()
- SUNRPC was sending multiple SYN calls when re-establishing a TCP
connection.
- Fix multiple NFSv4 issues due to missing sanity checking of server
return values
- Fix a potential Oops when FREE_STATEID races with an unmount
Cleanups:
- Clean up the labelled NFS code
- Remove unused header <linux/pnfs_osd_xdr.h>"
* tag 'nfs-for-5.16-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfs: (84 commits)
NFSv4: Sanity check the parameters in nfs41_update_target_slotid()
NFS: Remove the nfs4_label argument from decode_getattr_*() functions
NFS: Remove the nfs4_label argument from nfs_setsecurity
NFS: Remove the nfs4_label argument from nfs_fhget()
NFS: Remove the nfs4_label argument from nfs_add_or_obtain()
NFS: Remove the nfs4_label argument from nfs_instantiate()
NFS: Remove the nfs4_label from the nfs_setattrres
NFS: Remove the nfs4_label from the nfs4_getattr_res
NFS: Remove the f_label from the nfs4_opendata and nfs_openres
NFS: Remove the nfs4_label from the nfs4_lookupp_res struct
NFS: Remove the label from the nfs4_lookup_res struct
NFS: Remove the nfs4_label from the nfs4_link_res struct
NFS: Remove the nfs4_label from the nfs4_create_res struct
NFS: Remove the nfs4_label from the nfs_entry struct
NFS: Create a new nfs_alloc_fattr_with_label() function
NFS: Always initialise fattr->label in nfs_fattr_alloc()
NFSv4.2: alloc_file_pseudo() takes an open flag, not an f_mode
NFS: Don't allocate nfs_fattr on the stack in __nfs42_ssc_open()
NFSv4: Remove unnecessary 'minor version' check
NFSv4: Fix potential Oops in decode_op_map()
...
Pull exit cleanups from Eric Biederman:
"While looking at some issues related to the exit path in the kernel I
found several instances where the code is not using the existing
abstractions properly.
This set of changes introduces force_fatal_sig a way of sending a
signal and not allowing it to be caught, and corrects the misuse of
the existing abstractions that I found.
A lot of the misuse of the existing abstractions are silly things such
as doing something after calling a no return function, rolling BUG by
hand, doing more work than necessary to terminate a kernel thread, or
calling do_exit(SIGKILL) instead of calling force_sig(SIGKILL).
In the review a deficiency in force_fatal_sig and force_sig_seccomp
where ptrace or sigaction could prevent the delivery of the signal was
found. I have added a change that adds SA_IMMUTABLE to change that
makes it impossible to interrupt the delivery of those signals, and
allows backporting to fix force_sig_seccomp
And Arnd found an issue where a function passed to kthread_run had the
wrong prototype, and after my cleanup was failing to build."
* 'exit-cleanups-for-v5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace: (23 commits)
soc: ti: fix wkup_m3_rproc_boot_thread return type
signal: Add SA_IMMUTABLE to ensure forced siganls do not get changed
signal: Replace force_sigsegv(SIGSEGV) with force_fatal_sig(SIGSEGV)
exit/r8188eu: Replace the macro thread_exit with a simple return 0
exit/rtl8712: Replace the macro thread_exit with a simple return 0
exit/rtl8723bs: Replace the macro thread_exit with a simple return 0
signal/x86: In emulate_vsyscall force a signal instead of calling do_exit
signal/sparc32: In setup_rt_frame and setup_fram use force_fatal_sig
signal/sparc32: Exit with a fatal signal when try_to_clear_window_buffer fails
exit/syscall_user_dispatch: Send ordinary signals on failure
signal: Implement force_fatal_sig
exit/kthread: Have kernel threads return instead of calling do_exit
signal/s390: Use force_sigsegv in default_trap_handler
signal/vm86_32: Properly send SIGSEGV when the vm86 state cannot be saved.
signal/vm86_32: Replace open coded BUG_ON with an actual BUG_ON
signal/sparc: In setup_tsb_params convert open coded BUG into BUG
signal/powerpc: On swapcontext failure force SIGSEGV
signal/sh: Use force_sig(SIGKILL) instead of do_group_exit(SIGKILL)
signal/mips: Update (_save|_restore)_fp_context to fail with -EFAULT
signal/sparc32: Remove unreachable do_exit in do_sparc_fault
...
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Merge tag 'kernel.sys.v5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux
Pull prctl updates from Christian Brauner:
"This contains the missing prctl uapi pieces for PR_SCHED_CORE.
In order to activate core scheduling the caller is expected to specify
the scope of the new core scheduling domain.
For example, passing 2 in the 4th argument of
prctl(PR_SCHED_CORE, PR_SCHED_CORE_CREATE, <pid>, 2, 0);
would indicate that the new core scheduling domain encompasses all
tasks in the process group of <pid>. Specifying 0 would only create a
core scheduling domain for the thread identified by <pid> and 2 would
encompass the whole thread-group of <pid>.
Note, the values 0, 1, and 2 correspond to PIDTYPE_PID, PIDTYPE_TGID,
and PIDTYPE_PGID. A first version tried to expose those values
directly to which I objected because:
- PIDTYPE_* is an enum that is kernel internal which we should not
expose to userspace directly.
- PIDTYPE_* indicates what a given struct pid is used for it doesn't
express a scope.
But what the 4th argument of PR_SCHED_CORE prctl() expresses is the
scope of the operation, i.e. the scope of the core scheduling domain
at creation time. So Eugene's patch now simply introduces three new
defines PR_SCHED_CORE_SCOPE_THREAD, PR_SCHED_CORE_SCOPE_THREAD_GROUP,
and PR_SCHED_CORE_SCOPE_PROCESS_GROUP. They simply express what
happens.
This has been on the mailing list for quite a while with all relevant
scheduler folks Cced. I announced multiple times that I'd pick this up
if I don't see or her anyone else doing it. None of this touches
proper scheduler code but only concerns uapi so I think this is fine.
With core scheduling being quite common now for vm managers (e.g.
moving individual vcpu threads into their own core scheduling domain)
and container managers (e.g. moving the init process into its own core
scheduling domain and letting all created children inherit it) having
to rely on raw numbers passed as the 4th argument in prctl() is a bit
annoying and everyone is starting to come up with their own defines"
* tag 'kernel.sys.v5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux:
uapi/linux/prctl: provide macro definitions for the PR_SCHED_CORE type argument
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Merge tag 'pidfd.v5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux
Pull pidfd updates from Christian Brauner:
"Various places in the kernel have picked up pidfds.
The two most recent additions have probably been the ability to use
pidfds in bpf maps and the usage of pidfds in mm-based syscalls such
as process_mrelease() and process_madvise().
The same pattern to turn a pidfd into a struct task exists in two
places. One of those places used PIDTYPE_TGID while the other one used
PIDTYPE_PID even though it is clearly documented in all pidfd-helpers
that pidfds __currently__ only refer to thread-group leaders (subject
to change in the future if need be).
This isn't a bug per se but has the potential to be one if we allow
pidfds to refer to individual threads. If that happens we want to
audit all codepaths that make use of them to ensure they can deal with
pidfds refering to individual threads.
This adds a simple helper to turn a pidfd into a struct task making it
easy to grep for such places. Plus, it gets rid of code-duplication"
* tag 'pidfd.v5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux:
mm: use pidfd_get_task()
pid: add pidfd_get_task() helper
- Replace pr_warn() with pr_warn_once() in user_space_bind() to
reduce kernel log noise (Rafael Wysocki).
- Extend the RFIM mailbox interface in the int340x thermal driver
to return 64 bit values to allow all values returned by the
hardware to be handled correctly (Srinivas Pandruvada).
- Fix possible NULL pointer dereferences in the of_thermal_ family
of functions (Subbaraman Narayanamurthy).
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Merge tag 'thermal-5.16-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull more thermal control updates from Rafael Wysocki:
"These fix two issues in the thermal core and one in the int340x
thermal driver.
Specifics:
- Replace pr_warn() with pr_warn_once() in user_space_bind() to
reduce kernel log noise (Rafael Wysocki).
- Extend the RFIM mailbox interface in the int340x thermal driver to
return 64 bit values to allow all values returned by the hardware
to be handled correctly (Srinivas Pandruvada).
- Fix possible NULL pointer dereferences in the of_thermal_ family of
functions (Subbaraman Narayanamurthy)"
* tag 'thermal-5.16-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
thermal: Replace pr_warn() with pr_warn_once() in user_space_bind()
thermal: Fix NULL pointer dereferences in of_thermal_ functions
thermal/drivers/int340x: processor_thermal: Suppot 64 bit RFIM responses
- Fix 2 intel_pstate driver regressions related to the HWP interrupt
handling added recently (Srinivas Pandruvada).
- Fix intel_pstate driver regression introduced during the 5.11
cycle and causing HWP desired performance to be mishandled in
some cases when switching driver modes and during system
suspend and shutdown (Rafael Wysocki).
- Fix system-wide device suspend and resume locking to avoid
deadlocks when device objects are deleted during a system-wide
PM transition (Rafael Wysocki).
- Modify system-wide suspend of devices to prevent cpuidle drivers
based on runtime PM from misbehaving during the "no IRQ" phase of
it (Ulf Hansson).
- Fix return value of _opp_add_static_v2() helper (YueHaibing).
- Fix required-opp handle count (Pavankumar Kondeti).
- Add resource managed OPP helpers, update dev_pm_opp_attach_genpd(),
update their devfreq users, and make minor DT binding change (Dmitry
Osipenko).
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Merge tag 'pm-5.16-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull more power management updates from Rafael Wysocki:
"These fix three intel_pstate driver regressions, fix locking in the
core code suspending and resuming devices during system PM
transitions, fix the handling of cpuidle drivers based on runtime PM
during system-wide suspend, fix two issues in the operating
performance points (OPP) framework and resource-managed helpers to it.
Specifics:
- Fix two intel_pstate driver regressions related to the HWP
interrupt handling added recently (Srinivas Pandruvada).
- Fix intel_pstate driver regression introduced during the 5.11 cycle
and causing HWP desired performance to be mishandled in some cases
when switching driver modes and during system suspend and shutdown
(Rafael Wysocki).
- Fix system-wide device suspend and resume locking to avoid
deadlocks when device objects are deleted during a system-wide PM
transition (Rafael Wysocki).
- Modify system-wide suspend of devices to prevent cpuidle drivers
based on runtime PM from misbehaving during the "no IRQ" phase of
it (Ulf Hansson).
- Fix return value of _opp_add_static_v2() helper (YueHaibing).
- Fix required-opp handle count (Pavankumar Kondeti).
- Add resource managed OPP helpers, update dev_pm_opp_attach_genpd(),
update their devfreq users, and make minor DT binding change
(Dmitry Osipenko)"
* tag 'pm-5.16-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
PM: sleep: Avoid calling put_device() under dpm_list_mtx
cpufreq: intel_pstate: Clear HWP Status during HWP Interrupt enable
cpufreq: intel_pstate: Fix unchecked MSR 0x773 access
cpufreq: intel_pstate: Clear HWP desired on suspend/shutdown and offline
PM: sleep: Fix runtime PM based cpuidle support
dt-bindings: opp: Allow multi-worded OPP entry name
opp: Fix return in _opp_add_static_v2()
PM / devfreq: tegra30: Check whether clk_round_rate() returns zero rate
PM / devfreq: tegra30: Use resource-managed helpers
PM / devfreq: Add devm_devfreq_add_governor()
opp: Add more resource-managed variants of dev_pm_opp_of_add_table()
opp: Change type of dev_pm_opp_attach_genpd(names) argument
opp: Fix required-opps phandle array count check
- Add support for new ACPI device configuration object called _DSC
to allow certain devices to be probed without changing their power
states, document it and make two drivers use it (Sakari Ailus,
Rajmohan Mani).
- Fix device wakeup power reference counting broken recently by
mistake (Rafael Wysocki).
- Drop unused symbol and macros depending on it from acgcc.h (Rafael
Wysocki).
- Add HP ZHAN 66 Pro to the "no EC wakeup" quirk list (Binbin Zhou).
- Add Xiaomi Mi Pad 2 to the backlight quirk list and drop an unused
piece of data from all of the list entries (Hans de Goede).
- Fix register read accesses handling in the Intel PMIC operation
region driver (Hans de Goede).
- Clean up static variables initialization in the EC driver
(wangzhitong).
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Merge tag 'acpi-5.16-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull more ACPI updates from Rafael Wysocki:
"These add support for a new ACPI device configuration object called
_DSC, fix some issues including one recent regression, add two new
items to quirk lists and clean up assorted pieces of code.
Specifics:
- Add support for new ACPI device configuration object called _DSC
("Deepest State for Configuration") to allow certain devices to be
probed without changing their power states, document it and make
two drivers use it (Sakari Ailus, Rajmohan Mani).
- Fix device wakeup power reference counting broken recently by
mistake (Rafael Wysocki).
- Drop unused symbol and macros depending on it from acgcc.h (Rafael
Wysocki).
- Add HP ZHAN 66 Pro to the "no EC wakeup" quirk list (Binbin Zhou).
- Add Xiaomi Mi Pad 2 to the backlight quirk list and drop an unused
piece of data from all of the list entries (Hans de Goede).
- Fix register read accesses handling in the Intel PMIC operation
region driver (Hans de Goede).
- Clean up static variables initialization in the EC driver
(wangzhitong)"
* tag 'acpi-5.16-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
Documentation: ACPI: Fix non-D0 probe _DSC object example
ACPI: Drop ACPI_USE_BUILTIN_STDARG ifdef from acgcc.h
ACPI: PM: Fix device wakeup power reference counting error
ACPI: video: use platform backlight driver on Xiaomi Mi Pad 2
ACPI: video: Drop dmi_system_id.ident settings from video_detect_dmi_table[]
ACPI: PMIC: Fix intel_pmic_regs_handler() read accesses
ACPI: EC: Remove initialization of static variables to false
ACPI: EC: Use ec_no_wakeup on HP ZHAN 66 Pro
at24: Support probing while in non-zero ACPI D state
media: i2c: imx319: Support device probe in non-zero ACPI D state
ACPI: Add a convenience function to tell a device is in D0 state
Documentation: ACPI: Document _DSC object usage for enum power state
i2c: Allow an ACPI driver to manage the device's power state during probe
ACPI: scan: Obtain device's desired enumeration power state
Updates:
- Another pile of idxd updates
- pm routines cleanup for at_xdmac driver
- Correct handling of callback_result for few drivers
- zynqmp_dma driver updates and descriptor management refinement
- Hardware handshaking support for dw-axi-dmac
- Support for remotely powered controllers in Qcom bam dma
- tegra driver updates
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Merge tag 'dmaengine-5.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine
Pull dmaengine updates from Vinod Koul:
"A bunch of driver updates, no new driver or controller support this
time though:
- Another pile of idxd updates
- pm routines cleanup for at_xdmac driver
- Correct handling of callback_result for few drivers
- zynqmp_dma driver updates and descriptor management refinement
- Hardware handshaking support for dw-axi-dmac
- Support for remotely powered controllers in Qcom bam dma
- tegra driver updates"
* tag 'dmaengine-5.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine: (69 commits)
dmaengine: ti: k3-udma: Set r/tchan or rflow to NULL if request fail
dmaengine: ti: k3-udma: Set bchan to NULL if a channel request fail
dmaengine: stm32-dma: avoid 64-bit division in stm32_dma_get_max_width
dmaengine: fsl-edma: support edma memcpy
dmaengine: idxd: fix resource leak on dmaengine driver disable
dmaengine: idxd: cleanup completion record allocation
dmaengine: zynqmp_dma: Correctly handle descriptor callbacks
dmaengine: xilinx_dma: Correctly handle cyclic descriptor callbacks
dmaengine: altera-msgdma: Correctly handle descriptor callbacks
dmaengine: at_xdmac: fix compilation warning
dmaengine: dw-axi-dmac: Simplify assignment in dma_chan_pause()
dmaengine: qcom: bam_dma: Add "powered remotely" mode
dt-bindings: dmaengine: bam_dma: Add "powered remotely" mode
dmaengine: sa11x0: Mark PM functions as __maybe_unused
dmaengine: switch from 'pci_' to 'dma_' API
dmaengine: ioat: switch from 'pci_' to 'dma_' API
dmaengine: hsu: switch from 'pci_' to 'dma_' API
dmaengine: hisi_dma: switch from 'pci_' to 'dma_' API
dmaengine: dw: switch from 'pci_' to 'dma_' API
dmaengine: dw-edma-pcie: switch from 'pci_' to 'dma_' API
...
cros_ec_typec:
* Clean up use of cros_ec_check_features
cros_ec_*:
* Rename and move cros_ec_pd_command to cros_ec_command, and make changes to
cros_ec_typec and cros_ec_proto to use the new common command, reducing
duplication.
sensorhub:
* simplify getting .driver_data in cros_ec_sensors_core and cros_ec_sensorhub
misc:
* Maintainership change. Enric Balletbo i Serra has moved on from Collabora,
so removing him from chrome/platform maintainers. Thanks for all of your
hard work maintaining this, Enric, and best of luck to you in your new role!
* Add Prashant Malani as driver maintainer for cros_ec_typec.c and
cros_usbpd_notify. He was already principal contributor of these drivers.
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Merge tag 'tag-chrome-platform-for-v5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux
Pull chrome platform updates from Benson Leung:
"cros_ec_typec:
- Clean up use of cros_ec_check_features
cros_ec_*:
- Rename and move cros_ec_pd_command to cros_ec_command, and make
changes to cros_ec_typec and cros_ec_proto to use the new common
command, reducing duplication.
sensorhub:
- simplify getting .driver_data in cros_ec_sensors_core and
cros_ec_sensorhub
misc:
- Maintainership change. Enric Balletbo i Serra has moved on from
Collabora, so removing him from chrome/platform maintainers. Thanks
for all of your hard work maintaining this, Enric, and best of luck
to you in your new role!
- Add Prashant Malani as driver maintainer for cros_ec_typec.c and
cros_usbpd_notify. He was already principal contributor of these
drivers"
* tag 'tag-chrome-platform-for-v5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux:
platform/chrome: cros_ec_proto: Use ec_command for check_features
platform/chrome: cros_ec_proto: Use EC struct for features
MAINTAINERS: Chrome: Drop Enric Balletbo i Serra
platform/chrome: cros_ec_typec: Use cros_ec_command()
platform/chrome: cros_ec_proto: Add version for ec_command
platform/chrome: cros_ec_proto: Make data pointers void
platform/chrome: cros_usbpd_notify: Move ec_command()
platform/chrome: cros_usbpd_notify: Rename cros_ec_pd_command()
platform/chrome: cros_ec: Fix spelling mistake "responsed" -> "response"
platform/chrome: cros_ec_sensorhub: simplify getting .driver_data
iio: common: cros_ec_sensors: simplify getting .driver_data
platform/chrome: cros-ec-typec: Cleanup use of check_features
platform/chrome: cros_ec_proto: Fix check_features ret val
MAINTAINERS: Add Prashant's maintainership of cros_ec drivers
- Fix double-evaluation of 'pte' macro argument when using 52-bit PAs
- Fix signedness of some MTE prctl PR_* constants
- Fix kmemleak memory usage by skipping early pgtable allocations
- Fix printing of CPU feature register strings
- Remove redundant -nostdlib linker flag for vDSO binaries
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Will Deacon:
- Fix double-evaluation of 'pte' macro argument when using 52-bit PAs
- Fix signedness of some MTE prctl PR_* constants
- Fix kmemleak memory usage by skipping early pgtable allocations
- Fix printing of CPU feature register strings
- Remove redundant -nostdlib linker flag for vDSO binaries
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: pgtable: make __pte_to_phys/__phys_to_pte_val inline functions
arm64: Track no early_pgtable_alloc() for kmemleak
arm64: mte: change PR_MTE_TCF_NONE back into an unsigned long
arm64: vdso: remove -nostdlib compiler flag
arm64: arm64_ftr_reg->name may not be a human-readable string
This is one set of fixes for the NXP/FSL DPAA2 drivers, addressing
a few minor issues. I received these just after sending out the
last v5.15 fixes, and nothing in here seemed urgent enough for
a quick follow-up.
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Merge tag 'arm-fixes-5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC fixes from Arnd Bergmann:
"This is one set of fixes for the NXP/FSL DPAA2 drivers, addressing a
few minor issues. I received these just after sending out the last
v5.15 fixes, and nothing in here seemed urgent enough for a quick
follow-up"
* tag 'arm-fixes-5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc:
soc: fsl: dpaa2-console: free buffer before returning from dpaa2_console_read
soc: fsl: dpio: use the combined functions to protect critical zone
soc: fsl: dpio: replace smp_processor_id with raw_smp_processor_id
This is a single cleanup from Peter Collingbourne, removing
some dead code.
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Merge tag 'asm-generic-5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic
Pull asm-generic cleanup from Arnd Bergmann:
"This is a single cleanup from Peter Collingbourne, removing some dead
code"
* tag 'asm-generic-5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic:
arch: remove unused function syscall_set_arguments()
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Merge tag 'for-linus-5.16b-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen updates from Juergen Gross:
- a series to speed up the boot of Xen PV guests
- some cleanups in Xen related code
- replacement of license texts with the appropriate SPDX headers and
fixing of wrong SPDX headers in Xen header files
- a small series making paravirtualized interrupt masking much simpler
and at the same time removing complaints of objtool
- a fix for Xen ballooning hogging workqueues for too long
- enablement of the Xen pciback driver for Arm
- some further small fixes/enhancements
* tag 'for-linus-5.16b-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip: (22 commits)
xen/balloon: fix unused-variable warning
xen/balloon: rename alloc/free_xenballooned_pages
xen/balloon: add late_initcall_sync() for initial ballooning done
x86/xen: remove 32-bit awareness from startup_xen
xen: remove highmem remnants
xen: allow pv-only hypercalls only with CONFIG_XEN_PV
x86/xen: remove 32-bit pv leftovers
xen-pciback: allow compiling on other archs than x86
x86/xen: switch initial pvops IRQ functions to dummy ones
x86/xen: remove xen_have_vcpu_info_placement flag
x86/pvh: add prototype for xen_pvh_init()
xen: Fix implicit type conversion
xen: fix wrong SPDX headers of Xen related headers
xen/pvcalls-back: Remove redundant 'flush_workqueue()' calls
x86/xen: Remove redundant irq_enter/exit() invocations
xen-pciback: Fix return in pm_ctrl_init()
xen/x86: restrict PV Dom0 identity mapping
xen/x86: there's no highmem anymore in PV mode
xen/x86: adjust handling of the L3 user vsyscall special page table
xen/x86: adjust xen_set_fixmap()
...
- Continue the cleanup of the dax api in preparation for a dax-device
block-device divorce.
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Merge tag 'libnvdimm-for-5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm
Pull libnvdimm update from Dan Williams:
"A single cleanup that precedes some deeper PMEM/DAX reworks that did
not settle in time for v5.16:
- Continue the cleanup of the dax api in preparation for a dax-device
block-device divorce"
* tag 'libnvdimm-for-5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm:
nvdimm/pmem: move dax_attribute_group from dax to pmem
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Merge tag 'linux-watchdog-5.16-rc1' of git://www.linux-watchdog.org/linux-watchdog
Pull watchdog updates from Wim Van Sebroeck:
- f71808e_wdt: convert to watchdog framework
- db8500_wdt: Rename driver (was ux500_wdt.c)
- sunxi: Add compatibles for R329 and D1
- mtk: add disable_wdt_extrst support
- several other small fixes and improvements
* tag 'linux-watchdog-5.16-rc1' of git://www.linux-watchdog.org/linux-watchdog: (30 commits)
watchdog: db8500_wdt: Rename symbols
watchdog: db8500_wdt: Rename driver
watchdog: ux500_wdt: Drop platform data
watchdog: bcm63xx_wdt: fix fallthrough warning
watchdog: iTCO_wdt: No need to stop the timer in probe
watchdog: s3c2410: describe driver in KConfig
watchdog: sp5100_tco: Add support for get_timeleft
watchdog: mtk: add disable_wdt_extrst support
dt-bindings: watchdog: mtk-wdt: add disable_wdt_extrst support
watchdog: rza_wdt: Use semicolons instead of commas
watchdog: mlx-wdt: Use regmap_write_bits()
watchdog: rti-wdt: Make use of the helper function devm_platform_ioremap_resource()
watchdog: iTCO_wdt: Make use of the helper function devm_platform_ioremap_resource()
watchdog: ar7_wdt: Make use of the helper function devm_platform_ioremap_resource_byname()
watchdog: sunxi_wdt: Add support for D1
dt-bindings: watchdog: sunxi: Add compatibles for D1
ar7: fix kernel builds for compiler test
dt-bindings: watchdog: sunxi: Add compatibles for R329
watchdog: meson_gxbb_wdt: add timeout parameter
watchdog: meson_gxbb_wdt: add nowayout parameter
...
The remoteproc repo is moved to a new path on git.kernel.org, to allow
Mathieu push access to the branches.
Support for the Mediatek MT8195 SCP was added, the related DeviceTree
binding was converted to YAML and MT8192 SCP was documented as well.
Amlogic Meson6, Meson8, Meson8b and Meson8m2 has an ARC core to aid in
resuming the system after suspend, a new remoteproc driver for booting
this core is introduced.
A new driver to support the DSP processor found on NXP i.MX8QM,
i.MX8QXP, i.MX8MP and i.MX8ULP is added.
The Qualcomm modem and TrustZone based remoteproc drivers gains support
for the modem in SC7280 and MSM8996 gains support for a missing
power-domain.
Throughout the Qualcomm drivers, the support for informing the always-on
power coprocessor about the state of each remoteproc is reworked to
avoid complications related to our use of genpd and the system suspend
state.
Lastly a number of small fixes are found throughout the drivers and
framework.
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Merge tag 'rproc-v5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux
Pull remoteproc updates from Bjorn Andersson:
"The remoteproc repo is moved to a new path on git.kernel.org, to allow
Mathieu push access to the branches.
Support for the Mediatek MT8195 SCP was added, the related DeviceTree
binding was converted to YAML and MT8192 SCP was documented as well.
Amlogic Meson6, Meson8, Meson8b and Meson8m2 has an ARC core to aid in
resuming the system after suspend, a new remoteproc driver for booting
this core is introduced.
A new driver to support the DSP processor found on NXP i.MX8QM,
i.MX8QXP, i.MX8MP and i.MX8ULP is added.
The Qualcomm modem and TrustZone based remoteproc drivers gains
support for the modem in SC7280 and MSM8996 gains support for a
missing power-domain.
Throughout the Qualcomm drivers, the support for informing the
always-on power coprocessor about the state of each remoteproc is
reworked to avoid complications related to our use of genpd and the
system suspend state.
Lastly a number of small fixes are found throughout the drivers and
framework"
* tag 'rproc-v5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux: (39 commits)
remoteproc: Remove vdev_to_rvdev and vdev_to_rproc from remoteproc API
remoteproc: omap_remoteproc: simplify getting .driver_data
remoteproc: qcom_q6v5_mss: Use devm_platform_ioremap_resource_byname() to simplify code
remoteproc: Fix a memory leak in an error handling path in 'rproc_handle_vdev()'
remoteproc: Fix spelling mistake "atleast" -> "at least"
remoteproc: imx_dsp_rproc: mark PM functions as __maybe_unused
remoteproc: imx_dsp_rproc: Correct the comment style of copyright
dt-bindings: dsp: fsl: Update binding document for remote proc driver
remoteproc: imx_dsp_rproc: Add remoteproc driver for DSP on i.MX
remoteproc: imx_rproc: Add IMX_RPROC_SCU_API method
remoteproc: imx_rproc: Move common structure to header file
rpmsg: char: Remove useless include
remoteproc: meson-mx-ao-arc: fix a bit test
remoteproc: mss: q6v5-mss: Add modem support on SC7280
dt-bindings: remoteproc: qcom: Update Q6V5 Modem PIL binding
remoteproc: qcom: pas: Add SC7280 Modem support
dt-bindings: remoteproc: qcom: pas: Add SC7280 MPSS support
remoteproc: qcom: pas: Use the same init resources for MSM8996 and MSM8998
MAINTAINERS: Update remoteproc repo url
dt-bindings: remoteproc: k3-dsp: Cleanup SoC compatible from DT example
...
For the GLINK implementation this adds support for splitting outgoing
messages that are too large to fit in the fifo, it introduces the use of
"read notifications", to avoid polling in the case where the outgoing
fifo is full and a few bugs are squashed.
The return value of rpmsg_create_ept() for when RPMSG is disabled is
corrected to return a valid error, the Mediatek rpmsg driver is updated
to match the DT binding and a couple of cleanups are done in the virtio
rpmsg driver.
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Merge tag 'rpmsg-v5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux
Pull rpmsg updates from Bjorn Andersson:
"For the GLINK implementation this adds support for splitting outgoing
messages that are too large to fit in the fifo, it introduces the use
of "read notifications", to avoid polling in the case where the
outgoing fifo is full and a few bugs are squashed.
The return value of rpmsg_create_ept() for when RPMSG is disabled is
corrected to return a valid error, the Mediatek rpmsg driver is
updated to match the DT binding and a couple of cleanups are done in
the virtio rpmsg driver"
* tag 'rpmsg-v5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux:
rpmsg: glink: Send READ_NOTIFY command in FIFO full case
rpmsg: glink: Remove channel decouple from rpdev release
rpmsg: glink: Remove the rpmsg dev in close_ack
rpmsg: glink: Add TX_DATA_CONT command while sending
rpmsg: virtio_rpmsg_bus: use dev_warn_ratelimited for msg with no recipient
rpmsg: virtio: Remove unused including <linux/of_device.h>
rpmsg: Change naming of mediatek rpmsg property
rpmsg: Fix rpmsg_create_ept return when RPMSG config is not defined
rpmsg: glink: Replace strncpy() with strscpy_pad()
We can't call unregister_ftrace_function under ftrace_lock.
Link: https://lkml.kernel.org/r/20211109114217.1645296-1-jolsa@kernel.org
Fixes: ed29271894 ("ftrace/direct: Do not disable when switching direct callers")
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Linus Torvalds
Sasha Levin
Damien Le Moal
Bjorn Helgaas
Kuan-Ying Lee
Christoph Hellwig
Alistair Popple
Baolin Wang
Ingo Molnar
Yixuan Cao
Willem de Bruijn
M Chetan Kumar
Rahul Lakkireddy
Xu Wang
Alexander Lobakin
Jiri Olsa