When KVM_EXIT_SYSTEM_EVENT was introduced, it included a flags
member that at the time was unused. Unfortunately this extensibility
mechanism has several issues:
- x86 is not writing the member, so it would not be possible to use it
on x86 except for new events
- the member is not aligned to 64 bits, so the definition of the
uAPI struct is incorrect for 32- on 64-bit userspace. This is a
problem for RISC-V, which supports CONFIG_KVM_COMPAT, but fortunately
usage of flags was only introduced in 5.18.
Since padding has to be introduced, place a new field in there
that tells if the flags field is valid. To allow further extensibility,
in fact, change flags to an array of 16 values, and store how many
of the values are valid. The availability of the new ndata field
is tied to a system capability; all architectures are changed to
fill in the field.
To avoid breaking compilation of userspace that was using the flags
field, provide a userspace-only union to overlap flags with data[0].
The new field is placed at the same offset for both 32- and 64-bit
userspace.
Cc: Will Deacon <will@kernel.org>
Cc: Marc Zyngier <maz@kernel.org>
Cc: Peter Gonda <pgonda@google.com>
Cc: Sean Christopherson <seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reported-by: kernel test robot <lkp@intel.com>
Message-Id: <20220422103013.34832-1-pbonzini@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Disallow memslots and MMIO SPTEs whose gpa range would exceed the host's
MAXPHYADDR, i.e. don't create SPTEs for gfns that exceed host.MAXPHYADDR.
The TDP MMU bounds its zapping based on host.MAXPHYADDR, and so if the
guest, possibly with help from userspace, manages to coerce KVM into
creating a SPTE for an "impossible" gfn, KVM will leak the associated
shadow pages (page tables):
WARNING: CPU: 10 PID: 1122 at arch/x86/kvm/mmu/tdp_mmu.c:57
kvm_mmu_uninit_tdp_mmu+0x4b/0x60 [kvm]
Modules linked in: kvm_intel kvm irqbypass
CPU: 10 PID: 1122 Comm: set_memory_regi Tainted: G W 5.18.0-rc1+ #293
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 0.0.0 02/06/2015
RIP: 0010:kvm_mmu_uninit_tdp_mmu+0x4b/0x60 [kvm]
Call Trace:
<TASK>
kvm_arch_destroy_vm+0x130/0x1b0 [kvm]
kvm_destroy_vm+0x162/0x2d0 [kvm]
kvm_vm_release+0x1d/0x30 [kvm]
__fput+0x82/0x240
task_work_run+0x5b/0x90
exit_to_user_mode_prepare+0xd2/0xe0
syscall_exit_to_user_mode+0x1d/0x40
entry_SYSCALL_64_after_hwframe+0x44/0xae
</TASK>
On bare metal, encountering an impossible gpa in the page fault path is
well and truly impossible, barring CPU bugs, as the CPU will signal #PF
during the gva=>gpa translation (or a similar failure when stuffing a
physical address into e.g. the VMCS/VMCB). But if KVM is running as a VM
itself, the MAXPHYADDR enumerated to KVM may not be the actual MAXPHYADDR
of the underlying hardware, in which case the hardware will not fault on
the illegal-from-KVM's-perspective gpa.
Alternatively, KVM could continue allowing the dodgy behavior and simply
zap the max possible range. But, for hosts with MAXPHYADDR < 52, that's
a (minor) waste of cycles, and more importantly, KVM can't reasonably
support impossible memslots when running on bare metal (or with an
accurate MAXPHYADDR as a VM). Note, limiting the overhead by checking if
KVM is running as a guest is not a safe option as the host isn't required
to announce itself to the guest in any way, e.g. doesn't need to set the
HYPERVISOR CPUID bit.
A second alternative to disallowing the memslot behavior would be to
disallow creating a VM with guest.MAXPHYADDR > host.MAXPHYADDR. That
restriction is undesirable as there are legitimate use cases for doing
so, e.g. using the highest host.MAXPHYADDR out of a pool of heterogeneous
systems so that VMs can be migrated between hosts with different
MAXPHYADDRs without running afoul of the allow_smaller_maxphyaddr mess.
Note that any guest.MAXPHYADDR is valid with shadow paging, and it is
even useful in order to test KVM with MAXPHYADDR=52 (i.e. without
any reserved physical address bits).
The now common kvm_mmu_max_gfn() is inclusive instead of exclusive.
The memslot and TDP MMU code want an exclusive value, but the name
implies the returned value is inclusive, and the MMIO path needs an
inclusive check.
Fixes: faaf05b00a ("kvm: x86/mmu: Support zapping SPTEs in the TDP MMU")
Fixes: 524a1e4e38 ("KVM: x86/mmu: Don't leak non-leaf SPTEs when zapping all SPTEs")
Cc: stable@vger.kernel.org
Cc: Maxim Levitsky <mlevitsk@redhat.com>
Cc: Ben Gardon <bgardon@google.com>
Cc: David Matlack <dmatlack@google.com>
Signed-off-by: Sean Christopherson <seanjc@google.com>
Message-Id: <20220428233416.2446833-1-seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
- Take care of faults occuring between the PARange and
IPA range by injecting an exception
- Fix S2 faults taken from a host EL0 in protected mode
- Work around Oops caused by a PMU access from a 32bit
guest when PMU has been created. This is a temporary
bodge until we fix it for good.
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Merge tag 'kvmarm-fixes-5.18-2' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD
KVM/arm64 fixes for 5.18, take #2
- Take care of faults occuring between the PARange and
IPA range by injecting an exception
- Fix S2 faults taken from a host EL0 in protected mode
- Work around Oops caused by a PMU access from a 32bit
guest when PMU has been created. This is a temporary
bodge until we fix it for good.
For reasons best known to the author, gss-proxy does not implement a
NULL procedure, and returns RPC_PROC_UNAVAIL. However we still want to
ensure that we connect to the service at setup time.
So add a quirk-flag specially for this case.
Fixes: 1d658336b0 ("SUNRPC: Add RPC based upcall mechanism for RPCGSS auth")
Cc: stable@vger.kernel.org
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
KASAN report null-ptr-deref as follows:
KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f]
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.13.0-1ubuntu1.1 04/01/2014
RIP: 0010:ipmi_unregister_smi+0x7d/0xd50 drivers/char/ipmi/ipmi_msghandler.c:3680
Call Trace:
ipmi_ipmb_remove+0x138/0x1a0 drivers/char/ipmi/ipmi_ipmb.c:443
ipmi_ipmb_probe+0x409/0xda1 drivers/char/ipmi/ipmi_ipmb.c:548
i2c_device_probe+0x959/0xac0 drivers/i2c/i2c-core-base.c:563
really_probe+0x3f3/0xa70 drivers/base/dd.c:541
In ipmi_ipmb_probe(), 'iidev->intf' is not set before
ipmi_register_smi() success. And in the error handling case,
ipmi_ipmb_remove() is called to release resources, ipmi_unregister_smi()
is called without check 'iidev->intf', this will cause KASAN
null-ptr-deref issue.
General kernel style is to allow NULL to be passed into unregister
calls, so fix it that way. This allows a NULL check to be removed in
other code.
Fixes: 57c9e3c9a3 ("ipmi:ipmi_ipmb: Unregister the SMI on remove")
Reported-by: Hulk Robot <hulkci@huawei.com>
Cc: stable@vger.kernel.org # v5.17+
Cc: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Corey Minyard <cminyard@mvista.com>
A chunk was dropped when the code handling send messages was rewritten.
Those messages shouldn't be processed normally, they are just an
indication that the message was successfully sent and the timers should
be started for the real response that should be coming later.
Add back in the missing chunk to just discard the message and go on.
Fixes: 059747c245 ("ipmi: Add support for IPMB direct messages")
Reported-by: Joe Wiese <jwiese@rackspace.com>
Cc: stable@vger.kernel.org # v5.16+
Signed-off-by: Corey Minyard <cminyard@mvista.com>
Tested-by: Joe Wiese <jwiese@rackspace.com>
In case the DTB provided by the bootloader/BootROM is before the kernel
image or outside /memory, we won't be able to access it through the
linear mapping, and get a segfault on setup_arch(). Currently OpenSBI
relocates DTB but that's not always the case (e.g. if FW_JUMP_FDT_ADDR
is not specified), and it's also not the most portable approach since
the default FW_JUMP_FDT_ADDR of the generic platform relocates the DTB
at a specific offset that may not be available. To avoid this situation
copy DTB so that it's visible through the linear mapping.
Signed-off-by: Nick Kossifidis <mick@ics.forth.gr>
Link: https://lore.kernel.org/r/20220322132839.3653682-1-mick@ics.forth.gr
Tested-by: Conor Dooley <conor.dooley@microchip.com>
Fixes: f105aa940e ("riscv: add BUILTIN_DTB support for MMU-enabled targets")
Cc: stable@vger.kernel.org
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
This contains two updates to the default configuration needed because of
a Kconfig symbol name change. This fixes a failure that was detected in
the NVIDIA automated test farm.
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Merge tag 'tegra-for-5.18-arm-defconfig-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into arm/fixes
ARM: tegra: Default configuration fixes for v5.18
This contains two updates to the default configuration needed because of
a Kconfig symbol name change. This fixes a failure that was detected in
the NVIDIA automated test farm.
* tag 'tegra-for-5.18-arm-defconfig-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
ARM: config: multi v7: Enable NVIDIA Tegra video decoder driver
ARM: tegra_defconfig: Update CONFIG_TEGRA_VDE option
Link: https://lore.kernel.org/r/20220429080626.494150-1-thierry.reding@gmail.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Only allow data field to be 0 in struct io_uring_rsrc_update user
arguments to allow for future possible usage.
Fixes: e7a6c00dc7 ("io_uring: add support for registering ring file descriptors")
Signed-off-by: Eugene Syromiatnikov <esyr@redhat.com>
Link: https://lore.kernel.org/r/20220429142218.GA28696@asgard.redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Fix the discrepancy between the two places we check for the CP0 counter
erratum in along with the incorrect comparison of the R4400 revision
number against 0x30 which matches none and consistently consider all
R4000 and R4400 processors affected, as documented in processor errata
publications[1][2][3], following the mapping between CP0 PRId register
values and processor models:
PRId | Processor Model
---------+--------------------
00000422 | R4000 Revision 2.2
00000430 | R4000 Revision 3.0
00000440 | R4400 Revision 1.0
00000450 | R4400 Revision 2.0
00000460 | R4400 Revision 3.0
No other revision of either processor has ever been spotted.
Contrary to what has been stated in commit ce202cbb9e ("[MIPS] Assume
R4000/R4400 newer than 3.0 don't have the mfc0 count bug") marking the
CP0 counter as buggy does not preclude it from being used as either a
clock event or a clock source device. It just cannot be used as both at
a time, because in that case clock event interrupts will be occasionally
lost, and the use as a clock event device takes precedence.
Compare against 0x4ff in `can_use_mips_counter' so that a single machine
instruction is produced.
References:
[1] "MIPS R4000PC/SC Errata, Processor Revision 2.2 and 3.0", MIPS
Technologies Inc., May 10, 1994, Erratum 53, p.13
[2] "MIPS R4400PC/SC Errata, Processor Revision 1.0", MIPS Technologies
Inc., February 9, 1994, Erratum 21, p.4
[3] "MIPS R4400PC/SC Errata, Processor Revision 2.0 & 3.0", MIPS
Technologies Inc., January 24, 1995, Erratum 14, p.3
Signed-off-by: Maciej W. Rozycki <macro@orcam.me.uk>
Fixes: ce202cbb9e ("[MIPS] Assume R4000/R4400 newer than 3.0 don't have the mfc0 count bug")
Cc: stable@vger.kernel.org # v2.6.24+
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
People are occasionally reporting a warning bfqq_request_over_limit()
triggering reporting that BFQ's idea of cgroup hierarchy (and its depth)
does not match what generic blkcg code thinks. This can actually happen
when bfqq gets moved between BFQ groups while bfqq_request_over_limit()
is running. Make sure the code is safe against BFQ queue being moved to
a different BFQ group.
Fixes: 76f1df88bb ("bfq: Limit number of requests consumed by each cgroup")
CC: stable@vger.kernel.org
Link: https://lore.kernel.org/all/CAJCQCtTw_2C7ZSz7as5Gvq=OmnDiio=HRkQekqWpKot84sQhFA@mail.gmail.com/
Reported-by: Chris Murphy <lists@colorremedies.com>
Reported-by: "yukuai (C)" <yukuai3@huawei.com>
Signed-off-by: Jan Kara <jack@suse.cz>
Link: https://lore.kernel.org/r/20220407140738.9723-1-jack@suse.cz
Signed-off-by: Jens Axboe <axboe@kernel.dk>
When the rpcbind server closes the socket, we need to ensure that the
socket is closed by the kernel as soon as feasible, so add a
sk_state_change callback to trigger this close.
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
When a XEN_HVM guest uses the XEN PIRQ/Eventchannel mechanism, then
PCI/MSI[-X] masking is solely controlled by the hypervisor, but contrary to
XEN_PV guests this does not disable PCI/MSI[-X] masking in the PCI/MSI
layer.
This can lead to a situation where the PCI/MSI layer masks an MSI[-X]
interrupt and the hypervisor grants the write despite the fact that it
already requested the interrupt. As a consequence interrupt delivery on the
affected device is not happening ever.
Set pci_msi_ignore_mask to prevent that like it's done for XEN_PV guests
already.
Fixes: 809f9267bb ("xen: map MSIs into pirqs")
Reported-by: Jeremi Piotrowski <jpiotrowski@linux.microsoft.com>
Reported-by: Dusty Mabe <dustymabe@redhat.com>
Reported-by: Salvatore Bonaccorso <carnil@debian.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Noah Meyerhans <noahm@debian.org>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/87tuaduxj5.ffs@tglx
The previous split budget between TX and RX made it return not using
the entire budget but at the same time not having calling called
napi_complete. This sometimes led to the poll to not be called, and at
the same time having TX and RX interrupts disabled resulting in the
driver getting stuck.
Fixes: 6cec9b07fe ("can: grcan: Add device driver for GRCAN and GRHCAN cores")
Link: https://lore.kernel.org/all/20220429084656.29788-4-andreas@gaisler.com
Cc: stable@vger.kernel.org
Signed-off-by: Andreas Larsson <andreas@gaisler.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Use the device of the device tree node should be rather than the
device of the struct net_device when allocating DMA buffers.
The driver got away with it on sparc32 until commit 53b7670e57
("sparc: factor the dma coherent mapping into helper") after which the
driver oopses.
Fixes: 6cec9b07fe ("can: grcan: Add device driver for GRCAN and GRHCAN cores")
Link: https://lore.kernel.org/all/20220429084656.29788-2-andreas@gaisler.com
Cc: stable@vger.kernel.org
Signed-off-by: Daniel Hellstrom <daniel@gaisler.com>
Signed-off-by: Andreas Larsson <andreas@gaisler.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
There are deadlocks caused by del_timer_sync(&priv->hang_timer) and
del_timer_sync(&priv->rr_timer) in grcan_close(), one of the deadlocks
are shown below:
(Thread 1) | (Thread 2)
| grcan_reset_timer()
grcan_close() | mod_timer()
spin_lock_irqsave() //(1) | (wait a time)
... | grcan_initiate_running_reset()
del_timer_sync() | spin_lock_irqsave() //(2)
(wait timer to stop) | ...
We hold priv->lock in position (1) of thread 1 and use
del_timer_sync() to wait timer to stop, but timer handler also need
priv->lock in position (2) of thread 2. As a result, grcan_close()
will block forever.
This patch extracts del_timer_sync() from the protection of
spin_lock_irqsave(), which could let timer handler to obtain the
needed lock.
Link: https://lore.kernel.org/all/20220425042400.66517-1-duoming@zju.edu.cn
Fixes: 6cec9b07fe ("can: grcan: Add device driver for GRCAN and GRHCAN cores")
Cc: stable@vger.kernel.org
Signed-off-by: Duoming Zhou <duoming@zju.edu.cn>
Reviewed-by: Andreas Larsson <andreas@gaisler.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
As a carry over from the CAN_RAW socket (which allows to change the CAN
interface while mantaining the filter setup) the re-binding of the
CAN_ISOTP socket needs to take care about CAN ID address information and
subscriptions. It turned out that this feature is so limited (e.g. the
sockopts remain fix) that it finally has never been needed/used.
In opposite to the stateless CAN_RAW socket the switching of the CAN ID
subscriptions might additionally lead to an interrupted ongoing PDU
reception. So better remove this unneeded complexity.
Fixes: e057dd3fc2 ("can: add ISO 15765-2:2016 transport protocol")
Link: https://lore.kernel.org/all/20220422082337.1676-1-socketcan@hartkopp.net
Cc: stable@vger.kernel.org
Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
and netfilter.
Current release - new code bugs:
- bridge: switchdev: check br_vlan_group() return value
- use this_cpu_inc() to increment net->core_stats, fix preempt-rt
Previous releases - regressions:
- eth: stmmac: fix write to sgmii_adapter_base
Previous releases - always broken:
- netfilter: nf_conntrack_tcp: re-init for syn packets only,
resolving issues with TCP fastopen
- tcp: md5: fix incorrect tcp_header_len for incoming connections
- tcp: fix F-RTO may not work correctly when receiving DSACK
- tcp: ensure use of most recently sent skb when filling rate samples
- tcp: fix potential xmit stalls caused by TCP_NOTSENT_LOWAT
- virtio_net: fix wrong buf address calculation when using xdp
- xsk: fix forwarding when combining copy mode with busy poll
- xsk: fix possible crash when multiple sockets are created
- bpf: lwt: fix crash when using bpf_skb_set_tunnel_key() from
bpf_xmit lwt hook
- sctp: null-check asoc strreset_chunk in sctp_generate_reconf_event
- wireguard: device: check for metadata_dst with skb_valid_dst()
- netfilter: update ip6_route_me_harder to consider L3 domain
- gre: make o_seqno start from 0 in native mode
- gre: switch o_seqno to atomic to prevent races in collect_md mode
Misc:
- add Eric Dumazet to networking maintainers
- dt: dsa: realtek: remove realtek,rtl8367s string
- netfilter: flowtable: Remove the empty file
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-5.18-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from bluetooth, bpf and netfilter.
Current release - new code bugs:
- bridge: switchdev: check br_vlan_group() return value
- use this_cpu_inc() to increment net->core_stats, fix preempt-rt
Previous releases - regressions:
- eth: stmmac: fix write to sgmii_adapter_base
Previous releases - always broken:
- netfilter: nf_conntrack_tcp: re-init for syn packets only,
resolving issues with TCP fastopen
- tcp: md5: fix incorrect tcp_header_len for incoming connections
- tcp: fix F-RTO may not work correctly when receiving DSACK
- tcp: ensure use of most recently sent skb when filling rate samples
- tcp: fix potential xmit stalls caused by TCP_NOTSENT_LOWAT
- virtio_net: fix wrong buf address calculation when using xdp
- xsk: fix forwarding when combining copy mode with busy poll
- xsk: fix possible crash when multiple sockets are created
- bpf: lwt: fix crash when using bpf_skb_set_tunnel_key() from
bpf_xmit lwt hook
- sctp: null-check asoc strreset_chunk in sctp_generate_reconf_event
- wireguard: device: check for metadata_dst with skb_valid_dst()
- netfilter: update ip6_route_me_harder to consider L3 domain
- gre: make o_seqno start from 0 in native mode
- gre: switch o_seqno to atomic to prevent races in collect_md mode
Misc:
- add Eric Dumazet to networking maintainers
- dt: dsa: realtek: remove realtek,rtl8367s string
- netfilter: flowtable: Remove the empty file"
* tag 'net-5.18-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (65 commits)
tcp: fix F-RTO may not work correctly when receiving DSACK
Revert "ibmvnic: Add ethtool private flag for driver-defined queue limits"
net: enetc: allow tc-etf offload even with NETIF_F_CSUM_MASK
ixgbe: ensure IPsec VF<->PF compatibility
MAINTAINERS: Update BNXT entry with firmware files
netfilter: nft_socket: only do sk lookups when indev is available
net: fec: add missing of_node_put() in fec_enet_init_stop_mode()
bnx2x: fix napi API usage sequence
tls: Skip tls_append_frag on zero copy size
Add Eric Dumazet to networking maintainers
netfilter: conntrack: fix udp offload timeout sysctl
netfilter: nf_conntrack_tcp: re-init for syn packets only
net: dsa: lantiq_gswip: Don't set GSWIP_MII_CFG_RMII_CLK
net: Use this_cpu_inc() to increment net->core_stats
Bluetooth: hci_sync: Cleanup hci_conn if it cannot be aborted
Bluetooth: hci_event: Fix creating hci_conn object on error status
Bluetooth: hci_event: Fix checking for invalid handle on error status
ice: fix use-after-free when deinitializing mailbox snapshot
ice: wait 5 s for EMP reset after firmware flash
ice: Protect vf_state check by cfg_lock in ice_vc_process_vf_msg()
...
io_rw_init_file does not initialize kiocb->private, so when iocb_bio_iopoll
reads kiocb->private it can contain uninitialized data.
Fixes: 3e08773c38 ("block: switch polling to be bio based")
Signed-off-by: Joseph Ravichandran <jravi@mit.edu>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
- Stop warning about deprecation of the userspace thermal governor
and cooling device status interface, because there are cases in
which user space has to drive thermal management with the help
of them (Daniel Lezcano).
- Fix attr.show callback prototype in the int340x thermal driver (Kees
Cook).
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Merge tag 'thermal-5.18-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull thermal control fixes from Rafael Wysocki:
"These take back recent chages that started to confuse users and fix up
an attr.show callback prototype in a driver.
Specifics:
- Stop warning about deprecation of the userspace thermal governor
and cooling device status interface, because there are cases in
which user space has to drive thermal management with the help of
them (Daniel Lezcano)
- Fix attr.show callback prototype in the int340x thermal driver
(Kees Cook)"
* tag 'thermal-5.18-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
thermal/governor: Remove deprecated information
Revert "thermal/core: Deprecate changing cooling device state from userspace"
thermal: int340x: Fix attr.show callback prototype
- Fix issues with the Qualcomm's cpufreq driver (Dmitry Baryshkov,
Vladimir Zapolskiy).
- Fix memory leak with the Sun501 driver (Xiaobing Luo).
- Make intel_idle enable C1E promotion on all CPUs when C1E is
preferred to C1 (Artem Bityutskiy).
- Make C6 optimization on Sapphire Rapids added recently work as
expected if both C1E and C1 are "preferred" (Artem Bityutskiy).
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Merge tag 'pm-5.18-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fixes from Rafael Wysocki:
"These fix up recent intel_idle driver changes and fix some ARM cpufreq
driver issues.
Specifics:
- Fix issues with the Qualcomm's cpufreq driver (Dmitry Baryshkov,
Vladimir Zapolskiy).
- Fix memory leak with the Sun501 driver (Xiaobing Luo).
- Make intel_idle enable C1E promotion on all CPUs when C1E is
preferred to C1 (Artem Bityutskiy).
- Make C6 optimization on Sapphire Rapids added recently work as
expected if both C1E and C1 are "preferred" (Artem Bityutskiy)"
* tag 'pm-5.18-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
intel_idle: Fix SPR C6 optimization
intel_idle: Fix the 'preferred_cstates' module parameter
cpufreq: qcom-cpufreq-hw: Clear dcvs interrupts
cpufreq: fix memory leak in sun50i_cpufreq_nvmem_probe
cpufreq: qcom-cpufreq-hw: Fix throttle frequency value on EPSS platforms
cpufreq: qcom-hw: provide online/offline operations
cpufreq: qcom-hw: fix the opp entries refcounting
cpufreq: qcom-hw: fix the race between LMH worker and cpuhp
cpufreq: qcom-hw: drop affinity hint before freeing the IRQ
- Make the ACPI processor driver avoid falling back to C3 type of
C-states when C3 cannot be requested (Ville Syrjälä).
- Revert a quirk that is not necessary any more after fixing the
underlying issue properly (Ville Syrjälä).
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Merge tag 'acpi-5.18-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI fixes from Rafael WysockiL
"These fix up the ACPI processor driver after a change made during the
5.16 cycle that inadvertently broke falling back to shallower C-states
when C3 cannot be used.
Specifics:
- Make the ACPI processor driver avoid falling back to C3 type of
C-states when C3 cannot be requested (Ville Syrjälä)
- Revert a quirk that is not necessary any more after fixing the
underlying issue properly (Ville Syrjälä)"
* tag 'acpi-5.18-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
Revert "ACPI: processor: idle: fix lockup regression on 32-bit ThinkPad T40"
ACPI: processor: idle: Avoid falling back to C3 type C-states
Highlights:
- asus-wmi bug-fixes
- intel-sdsu bug-fixes
- build (warning) fixes
- couple of hw-id additions
The following is an automated git shortlog grouped by driver:
asus-wmi:
- Fix driver not binding when fan curve control probe fails
- Potential buffer overflow in asus_wmi_evaluate_method_buf()
dell-laptop:
- Add quirk entry for Latitude 7520
gigabyte-wmi:
- added support for B660 GAMING X DDR4 motherboard
intel-uncore-freq:
- Prevent driver loading in guests
platform/x86/intel:
- pmc/core: change pmc_lpm_modes to static
platform/x86/intel/sdsi:
- Fix bug in multi packet reads
- Poll on ready bit for writes
- Handle leaky bucket
tools/power/x86/intel-speed-select:
- fix build failure when using -Wl,--as-needed
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Merge tag 'platform-drivers-x86-v5.18-3' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86
Pull x86 platform driver fixes from Hans de Goede:
"Highlights:
- asus-wmi bug-fixes
- intel-sdsu bug-fixes
- build (warning) fixes
- couple of hw-id additions"
* tag 'platform-drivers-x86-v5.18-3' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86:
platform/x86/intel: pmc/core: change pmc_lpm_modes to static
platform/x86/intel/sdsi: Fix bug in multi packet reads
platform/x86/intel/sdsi: Poll on ready bit for writes
platform/x86/intel/sdsi: Handle leaky bucket
platform/x86: intel-uncore-freq: Prevent driver loading in guests
platform/x86: gigabyte-wmi: added support for B660 GAMING X DDR4 motherboard
platform/x86: dell-laptop: Add quirk entry for Latitude 7520
platform/x86: asus-wmi: Fix driver not binding when fan curve control probe fails
platform/x86: asus-wmi: Potential buffer overflow in asus_wmi_evaluate_method_buf()
tools/power/x86/intel-speed-select: fix build failure when using -Wl,--as-needed
A minor fix for the DT binding documentation of the rt5190a driver.
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Merge tag 'regulator-fix-v5.18-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator fix from Mark Brown:
"A minor fix for the DT binding documentation of the rt5190a driver"
* tag 'regulator-fix-v5.18-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
regulator: dt-bindings: Revise the rt5190a buck/ldo description
Pablo Neira Ayuso says:
====================
Netfilter fixes for net
1) Fix incorrect TCP connection tracking window reset for non-syn
packets, from Florian Westphal.
2) Incorrect dependency on CONFIG_NFT_FLOW_OFFLOAD, from Volodymyr Mytnyk.
3) Fix nft_socket from the output path, from Florian Westphal.
* git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf:
netfilter: nft_socket: only do sk lookups when indev is available
netfilter: conntrack: fix udp offload timeout sysctl
netfilter: nf_conntrack_tcp: re-init for syn packets only
====================
Link: https://lore.kernel.org/r/20220428142109.38726-1-pablo@netfilter.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
- No short reads or writes upon glock contention
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Merge tag 'gfs2-v5.18-rc4-fix2' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2
Pull gfs2 fix from Andreas Gruenbacher:
- No short reads or writes upon glock contention
* tag 'gfs2-v5.18-rc4-fix2' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2:
gfs2: No short reads or writes upon glock contention
This reverts commit 723ad91613
When client requests channel or ring size larger than what the server
can support the server will cap the request to the supported max. So,
the client would not be able to successfully request resources that
exceed the server limit.
Fixes: 723ad91613 ("ibmvnic: Add ethtool private flag for driver-defined queue limits")
Signed-off-by: Dany Madden <drt@linux.ibm.com>
Link: https://lore.kernel.org/r/20220427235146.23189-1-drt@linux.ibm.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The Time-Specified Departure feature is indeed mutually exclusive with
TX IP checksumming in ENETC, but TX checksumming in itself is broken and
was removed from this driver in commit 82728b91f1 ("enetc: Remove Tx
checksumming offload code").
The blamed commit declared NETIF_F_HW_CSUM in dev->features to comply
with software TSO's expectations, and still did the checksumming in
software by calling skb_checksum_help(). So there isn't any restriction
for the Time-Specified Departure feature.
However, enetc_setup_tc_txtime() doesn't understand that, and blindly
looks for NETIF_F_CSUM_MASK.
Instead of checking for things which can literally never happen in the
current code base, just remove the check and let the driver offload
tc-etf qdiscs.
Fixes: acede3c5da ("net: enetc: declare NETIF_F_HW_CSUM and do it in software")
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Link: https://lore.kernel.org/r/20220427203017.1291634-1-vladimir.oltean@nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The VF driver can forward any IPsec flags and such makes the function
is not extendable and prone to backward/forward incompatibility.
If new software runs on VF, it won't know that PF configured something
completely different as it "knows" only XFRM_OFFLOAD_INBOUND flag.
Fixes: eda0333ac2 ("ixgbe: add VF IPsec management")
Reviewed-by: Raed Salem <raeds@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Reviewed-by: Shannon Nelson <snelson@pensando.io>
Tested-by: Konrad Jankowski <konrad0.jankowski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Link: https://lore.kernel.org/r/20220427173152.443102-1-anthony.l.nguyen@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
There appears to be a maintainer gap for BNXT TEE firmware files which
causes some patches to be missed. Update the entry for the BNXT Ethernet
controller with its companion firmware files.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Michael Chan <michael.chan@broadcom.com>
Link: https://lore.kernel.org/r/20220427163606.126154-1-f.fainelli@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
If there is still a closed socket associated with the transport, then we
need to trigger an autoclose before we can set up a new connection.
Reported-by: wanghai (M) <wanghai38@huawei.com>
Fixes: f00432063d ("SUNRPC: Ensure we flush any closed sockets before xs_xprt_free()")
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Merge a fix for the attr.show callback prototype in the int340x thermal
driver (Kees Cook).
* thermal-int340x:
thermal: int340x: Fix attr.show callback prototype
ad3552r:
- Fix a bug with error codes being stored in unsigned local variable.
- Fix IS_ERR when value is either NULL or not rather than ERR_PTR
ad5446
- Fix shifting of read_raw value.
ad5592r
- Fix missing return value being set for a fwnode property read.
ad7280a
- Wrong variable being used to set thresholds.
admv8818
- Kconfig dependency fix.
ak8975
- Missing regulator disable in error path.
bmi160
- Disable regulators in an error path.
dac5571
- Fix chip id detection for devices with OF bindings.
inv_icm42600
- Handle a case of a missing I2C NACK during initially configuration.
ltc2688
- Fix voltage scaling where integer part was written twice and
decimal part not at all.
scd4x
- Handle error before using value.
sx9310
- Device property parsing against indio_dev->dev.of_node which
hasn't been set yet.
sx9324
- Fix hardware gain related maths.
- Wrong defaults for precharge internal resistance register.
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Merge tag 'iio-fixes-for-5.18a' of https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio
Pull set of IIO fixes for 5.18 from Jonathan Cameron:
"1st set of IIO fixes for the 5.18 cycle
ad3552r:
- Fix a bug with error codes being stored in unsigned local variable.
- Fix IS_ERR when value is either NULL or not rather than ERR_PTR
ad5446
- Fix shifting of read_raw value.
ad5592r
- Fix missing return value being set for a fwnode property read.
ad7280a
- Wrong variable being used to set thresholds.
admv8818
- Kconfig dependency fix.
ak8975
- Missing regulator disable in error path.
bmi160
- Disable regulators in an error path.
dac5571
- Fix chip id detection for devices with OF bindings.
inv_icm42600
- Handle a case of a missing I2C NACK during initially configuration.
ltc2688
- Fix voltage scaling where integer part was written twice and
decimal part not at all.
scd4x
- Handle error before using value.
sx9310
- Device property parsing against indio_dev->dev.of_node which
hasn't been set yet.
sx9324
- Fix hardware gain related maths.
- Wrong defaults for precharge internal resistance register."
* tag 'iio-fixes-for-5.18a' of https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio:
iio: imu: inv_icm42600: Fix I2C init possible nack
iio: dac: ltc2688: fix voltage scale read
iio:dac:ad3552r: Fix an IS_ERR() vs NULL check
iio: sx9324: Fix default precharge internal resistance register
iio: dac: ad5446: Fix read_raw not returning set value
iio: magnetometer: ak8975: Fix the error handling in ak8975_power_on()
iio:proximity:sx9324: Fix hardware gain read/write
iio:proximity:sx_common: Fix device property parsing on DT systems
iio: adc: ad7280a: Fix wrong variable used when setting thresholds.
iio:filter:admv8818: select REGMAP_SPI for ADMV8818
iio: dac: ad5592r: Fix the missing return value.
iio: dac: dac5571: Fix chip id detection for OF devices
iio:imu:bmi160: disable regulator in error path
iio: scd4x: check return of scd4x_write_and_fetch
iio: dac: ad3552r: fix signedness bug in ad3552r_reset()
Check if the incoming interface is available and NFT_BREAK
in case neither skb->sk nor input device are set.
Because nf_sk_lookup_slow*() assume packet headers are in the
'in' direction, use in postrouting is not going to yield a meaningful
result. Same is true for the forward chain, so restrict the use
to prerouting, input and output.
Use in output work if a socket is already attached to the skb.
Fixes: 554ced0a6e ("netfilter: nf_tables: add support for native socket matching")
Reported-and-tested-by: Topi Miettinen <toiwoton@gmail.com>
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Merge cpuidle fixes for 5.18-rc5:
- Make intel_idle enable C1E promotion on all CPUs when C1E is
preferred to C1 (Artem Bityutskiy).
- Make C6 optimization on Sapphire Rapids added recently work as
expected if both C1E and C1 are "preferred" (Artem Bityutskiy).
* pm-cpuidle:
intel_idle: Fix SPR C6 optimization
intel_idle: Fix the 'preferred_cstates' module parameter
Now the generic code can handle kallsyms fixup properly so no need to
keep the arch-functions anymore.
Fixes: 3cf6a32f3f ("perf symbols: Fix symbol size calculation condition")
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Acked-by: Ian Rogers <irogers@google.com>
Cc: Heiko Carstens <hca@linux.ibm.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: John Garry <john.garry@huawei.com>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Michael Petlan <mpetlan@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Song Liu <songliubraving@fb.com>
Cc: Will Deacon <will@kernel.org>
Cc: linux-s390@vger.kernel.org
Cc: linuxppc-dev@lists.ozlabs.org
Link: https://lore.kernel.org/r/20220416004048.1514900-4-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Now arch-specific functions all do the same thing. When it fixes the
symbol address it needs to check the boundary between the kernel image
and modules. For the last symbol in the previous region, it cannot
know the exact size as it's discarded already. Thus it just uses a
small page size (4096) and rounds it up like the last symbol.
Fixes: 3cf6a32f3f ("perf symbols: Fix symbol size calculation condition")
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Acked-by: Ian Rogers <irogers@google.com>
Cc: Heiko Carstens <hca@linux.ibm.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: John Garry <john.garry@huawei.com>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Michael Petlan <mpetlan@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Song Liu <songliubraving@fb.com>
Cc: Will Deacon <will@kernel.org>
Cc: linux-s390@vger.kernel.org
Cc: linuxppc-dev@lists.ozlabs.org
Link: https://lore.kernel.org/r/20220416004048.1514900-3-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
The symbol fixup is necessary for symbols in kallsyms since they don't
have size info. So we use the next symbol's address to calculate the
size. Now it's also used for user binaries because sometimes they miss
size for hand-written asm functions.
There's a arch-specific function to handle kallsyms differently but
currently it cannot distinguish kallsyms from others. Pass this
information explicitly to handle it properly. Note that those arch
functions will be moved to the generic function so I didn't added it to
the arch-functions.
Fixes: 3cf6a32f3f ("perf symbols: Fix symbol size calculation condition")
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Acked-by: Ian Rogers <irogers@google.com>
Cc: Heiko Carstens <hca@linux.ibm.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: John Garry <john.garry@huawei.com>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Michael Petlan <mpetlan@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Song Liu <songliubraving@fb.com>
Cc: Will Deacon <will@kernel.org>
Cc: linux-s390@vger.kernel.org
Cc: linuxppc-dev@lists.ozlabs.org
Link: https://lore.kernel.org/r/20220416004048.1514900-2-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Adds a perf_event_attr test for Arm SPE in which the presence of
physical addresses are checked when SPE unit is run with pa_enable=1.
Reviewed-by: Leo Yan <leo.yan@linaro.org>
Signed-off-by: Timothy Hayes <timothy.hayes@arm.com>
Tested-by: Leo Yan <leo.yan@linaro.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: John Fastabend <john.fastabend@gmail.com>
Cc: John Garry <john.garry@huawei.com>
Cc: KP Singh <kpsingh@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Martin KaFai Lau <kafai@fb.com>
Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Song Liu <songliubraving@fb.com>
Cc: Will Deacon <will@kernel.org>
Cc: Yonghong Song <yhs@fb.com>
Cc: bpf@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: netdev@vger.kernel.org
Link: https://lore.kernel.org/r/20220421165205.117662-4-timothy.hayes@arm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This patch corrects a bug whereby SPE collection is invoked with
pa_enable=1 but synthesized events fail to show physical addresses.
Reviewed-by: Leo Yan <leo.yan@linaro.org>
Signed-off-by: Timothy Hayes <timothy.hayes@arm.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: John Fastabend <john.fastabend@gmail.com>
Cc: John Garry <john.garry@huawei.com>
Cc: KP Singh <kpsingh@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Martin KaFai Lau <kafai@fb.com>
Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Song Liu <songliubraving@fb.com>
Cc: Will Deacon <will@kernel.org>
Cc: Yonghong Song <yhs@fb.com>
Cc: bpf@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: netdev@vger.kernel.org
Link: https://lore.kernel.org/r/20220421165205.117662-3-timothy.hayes@arm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This patch corrects a bug whereby synthesized events from SPE
samples are missing virtual addresses.
Fixes: 54f7815efe ("perf arm-spe: Fill address info for samples")
Reviewed-by: Leo Yan <leo.yan@linaro.org>
Signed-off-by: Timothy Hayes <timothy.hayes@arm.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: bpf@vger.kernel.org
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: John Fastabend <john.fastabend@gmail.com>
Cc: John Garry <john.garry@huawei.com>
Cc: KP Singh <kpsingh@kernel.org>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: linux-arm-kernel@lists.infradead.org
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Martin KaFai Lau <kafai@fb.com>
Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: netdev@vger.kernel.org
Cc: Song Liu <songliubraving@fb.com>
Cc: Will Deacon <will@kernel.org>
Cc: Yonghong Song <yhs@fb.com>
Link: https://lore.kernel.org/r/20220421165205.117662-2-timothy.hayes@arm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
