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2021-12-20mac80211: fix FEC flag in radio tap headerP Praneesh
In mac80211, while building radiotap header IEEE80211_RADIOTAP_MCS_HAVE_FEC flag is missing when LDPC enabled from driver, hence LDPC is not updated properly in radiotap header. Fix that by adding HAVE_FEC flag while building radiotap header. Signed-off-by: P Praneesh <quic_ppranees@quicinc.com> Link: https://lore.kernel.org/r/1638294648-844-2-git-send-email-quic_ppranees@quicinc.com Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2021-12-20mac80211: use coarse boottime for airtime fairness codeFelix Fietkau
The time values used by the airtime fairness code only need to be accurate enough to cover station activity detection. Using ktime_get_coarse_boottime_ns instead of ktime_get_boottime_ns will drop the accuracy down to jiffies intervals, but at the same time saves a lot of CPU cycles in a hot path Signed-off-by: Felix Fietkau <nbd@nbd.name> Acked-by: Toke Høiland-Jørgensen <toke@redhat.com> Link: https://lore.kernel.org/r/20211217114258.14619-1-nbd@nbd.name Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2021-12-20s390/crash_dump: fix virtual vs physical address handlingHeiko Carstens
Signal processor STORE STATUS requires a physical address where register contents are supposed to be written to, however the kernel must read the data via the corresponding virtual address. Also the allocated save_area, where register contents are copied to, resides in virtual address space. Fix this by using proper __pa() conversion, or correct memblock_alloc() invocation. Reviewed-by: Alexander Gordeev <agordeev@linux.ibm.com> Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
2021-12-20s390/crypto: fix compile error for ChaCha20 moduleHeiko Carstens
The clgfi instruction used within the ChaCha20 assembly is only available for z9-109 and newer machines, and therefore this will generate a compile error if compiled e.g. with MARCH_Z900. Given that the assembler code will only be executed on machines with vector instructions, which became much later available than z9-109, use insn notation to generate the clgfi instruction, and avoid compile errors due to unknown instructions. Fixes: b087dfab4d39 ("s390/crypto: add SIMD implementation for ChaCha20") Reported-by: kernel test robot <lkp@intel.com> Reviewed-by: Harald Freudenberger <freude@linux.ibm.com> Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
2021-12-20Input: elants_i2c - do not check Remark ID on eKTH3900/eKTH5312Johnny Chuang
The eKTH3900/eKTH5312 series do not support the firmware update rules of Remark ID. Exclude these two series from checking it when updating the firmware in touch controllers. Signed-off-by: Johnny Chuang <johnny.chuang.emc@gmail.com> Link: https://lore.kernel.org/r/1639619603-20616-1-git-send-email-johnny.chuang.emc@gmail.com Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2021-12-20mm: add virt_to_folio() and folio_address()Vlastimil Babka
These two wrappers around their respective struct page variants will be useful in the following patches. Signed-off-by: Vlastimil Babka <vbabka@suse.cz> Acked-by: Johannes Weiner <hannes@cmpxchg.org> Reviewed-by: Roman Gushchin <guro@fb.com>
2021-12-19Linux 5.16-rc6v5.16-rc6Linus Torvalds
2021-12-19x86/pkey: Fix undefined behaviour with PKRU_WD_BITAndrew Cooper
Both __pkru_allows_write() and arch_set_user_pkey_access() shift PKRU_WD_BIT (a signed constant) by up to 30 bits, hitting the sign bit. Use unsigned constants instead. Clearly pkey 15 has not been used in combination with UBSAN yet. Noticed by code inspection only. I can't actually provoke the compiler into generating incorrect logic as far as this shift is concerned. [ dhansen: add stable@ tag, plus minor changelog massaging, For anyone doing backports, these #defines were in arch/x86/include/asm/pgtable.h before 784a46618f6. ] Fixes: 33a709b25a76 ("mm/gup, x86/mm/pkeys: Check VMAs and PTEs for protection keys") Signed-off-by: Andrew Cooper <andrew.cooper3@citrix.com> Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com> Signed-off-by: Borislav Petkov <bp@suse.de> Cc: stable@vger.kernel.org Link: https://lkml.kernel.org/r/20211216000856.4480-1-andrew.cooper3@citrix.com
2021-12-19Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvmLinus Torvalds
Pull kvm fixes from Paolo Bonzini: "Two small fixes, one of which was being worked around in selftests" * tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: KVM: x86: Retry page fault if MMU reload is pending and root has no sp KVM: selftests: vmx_pmu_msrs_test: Drop tests mangling guest visible CPUIDs KVM: x86: Drop guest CPUID check for host initiated writes to MSR_IA32_PERF_CAPABILITIES
2021-12-19Merge tag 'block-5.16-2021-12-19' of git://git.kernel.dk/linux-blockLinus Torvalds
Pull block revert from Jens Axboe: "It turns out that the fix for not hammering on the delayed work timer too much caused a performance regression for BFQ, so let's revert the change for now. I've got some ideas on how to fix it appropriately, but they should wait for 5.17" * tag 'block-5.16-2021-12-19' of git://git.kernel.dk/linux-block: Revert "block: reduce kblockd_mod_delayed_work_on() CPU consumption"
2021-12-19Merge tag 'irq_urgent_for_v5.16_rc6' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull irq fixes from Borislav Petkov: - Clear the PCI_MSIX_FLAGS_MASKALL bit too on the error path so that it is restored to its reset state - Mask MSI-X vectors late on the init path in order to handle out-of-spec Marvell NVME devices which apparently look at the MSI-X mask even when MSI-X is disabled * tag 'irq_urgent_for_v5.16_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: PCI/MSI: Clear PCI_MSIX_FLAGS_MASKALL on error PCI/MSI: Mask MSI-X vectors only on success
2021-12-19Merge tag 'timers_urgent_for_v5.16_rc6' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull timer fix from Borislav Petkov: - Make sure the CLOCK_REALTIME to CLOCK_MONOTONIC offset is never positive * tag 'timers_urgent_for_v5.16_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: timekeeping: Really make sure wall_to_monotonic isn't positive
2021-12-19Merge tag 'locking_urgent_for_v5.16_rc6' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull locking fix from Borislav Petkov: - Fix the rtmutex condition checking when the optimistic spinning of a waiter needs to be terminated * tag 'locking_urgent_for_v5.16_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: locking/rtmutex: Fix incorrect condition in rtmutex_spin_on_owner()
2021-12-19Merge tag 'core_urgent_for_v5.16_rc6' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull signal handlign fix from Borislav Petkov: - Prevent lock contention on the new sigaltstack lock on the common-case path, when no changes have been made to the alternative signal stack. * tag 'core_urgent_for_v5.16_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: signal: Skip the altstack update when not needed
2021-12-19Merge tag 'mips-fixes_5.16_3' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux Pull MIPS fix from Thomas Bogendoerfer: - only enable pci_remap_iospace() for Ralink devices * tag 'mips-fixes_5.16_3' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux: MIPS: Only define pci_remap_iospace() for Ralink
2021-12-19ARM: dts: BCM5301X: correct RX delay and enable flow control on Asus RT-AC88UArınç ÜNAL
The current 'rx-internal-delay-ps' property value on the Realtek switch node, 2000, will be divided by 300, resulting in 6.66, which will be rounded to the closest step value, 7. Change it to 2100 to be accurate. See ef136837aaf6 ("net: dsa: rtl8365mb: set RGMII RX delay in steps of 0.3 ns") for reference. Flow control needs to be enabled on both sides of the internal and external switch. It is already enabled on the CPU port of the Realtek switch so we also enable it on the external switch port of the Broadcom switch as well. Signed-off-by: Arınç ÜNAL <arinc.unal@arinc9.com> Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
2021-12-19Merge tag 'powerpc-5.16-4' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux Pull powerpc fixes from Michael Ellerman: "Fix a recently introduced oops at boot on 85xx in some configurations. Fix crashes when loading some livepatch modules with STRICT_MODULE_RWX. Thanks to Joe Lawrence, Russell Currey, and Xiaoming Ni" * tag 'powerpc-5.16-4' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: powerpc/module_64: Fix livepatching for RO modules powerpc/85xx: Fix oops when CONFIG_FSL_PMC=n
2021-12-19Merge tag '5.16-rc5-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6Linus Torvalds
Pull cifs fixes from Steve French: "Two cifs/smb3 fixes, one fscache related, and one mount parsing related for stable" * tag '5.16-rc5-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6: cifs: sanitize multiple delimiters in prepath cifs: ignore resource_id while getting fscache super cookie
2021-12-19Merge tag 'tags/bcm2835-bindings-2021-12-18' into devicetree/nextFlorian Fainelli
Stefan Wahren converts VCHIQ's bindings to YAML format. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
2021-12-19ARM: dts: NSP: Rename SATA unit nameFlorian Fainelli
Rename the SATA controller unit name from ahci to sata in preparation for adding the Broadcom SATA3 controller YAML binding which will bring validation. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
2021-12-19ARM: dts: NSP: Fixed iProc PCIe MSI sub-nodeFlorian Fainelli
Rename the msi controller unit name to 'msi' to avoid collisions with the 'msi-controller' boolean property. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
2021-12-19ARM: dts: HR2: Fixed iProc PCIe MSI sub-nodeFlorian Fainelli
Rename the msi controller unit name to 'msi' to avoid collisions with the 'msi-controller' boolean property. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
2021-12-19ARM: dts: Cygnus: Update PCIe PHY node unit name(s)Florian Fainelli
Update the PCIe PHY node unit name and its sub-nodes to help with upcoming changes converting the Cygnus PCIe PHY DT binding to YAML and later the iProc PCIe controller binding to YAML. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
2021-12-19ARM: dts: Cygnus: Fixed iProc PCIe controller propertiesFlorian Fainelli
Rename the msi controller unit name to 'msi' to avoid collisions with the 'msi-controller' boolean property. We also need to re-arrange the 'ranges' property to show the two cells as being separate instead of combined since the DT checker is not able to differentiate otherwise. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
2021-12-19KVM: x86: Retry page fault if MMU reload is pending and root has no spSean Christopherson
Play nice with a NULL shadow page when checking for an obsolete root in the page fault handler by flagging the page fault as stale if there's no shadow page associated with the root and KVM_REQ_MMU_RELOAD is pending. Invalidating memslots, which is the only case where _all_ roots need to be reloaded, requests all vCPUs to reload their MMUs while holding mmu_lock for lock. The "special" roots, e.g. pae_root when KVM uses PAE paging, are not backed by a shadow page. Running with TDP disabled or with nested NPT explodes spectaculary due to dereferencing a NULL shadow page pointer. Skip the KVM_REQ_MMU_RELOAD check if there is a valid shadow page for the root. Zapping shadow pages in response to guest activity, e.g. when the guest frees a PGD, can trigger KVM_REQ_MMU_RELOAD even if the current vCPU isn't using the affected root. I.e. KVM_REQ_MMU_RELOAD can be seen with a completely valid root shadow page. This is a bit of a moot point as KVM currently unloads all roots on KVM_REQ_MMU_RELOAD, but that will be cleaned up in the future. Fixes: a955cad84cda ("KVM: x86/mmu: Retry page fault if root is invalidated by memslot update") Cc: stable@vger.kernel.org Cc: Maxim Levitsky <mlevitsk@redhat.com> Signed-off-by: Sean Christopherson <seanjc@google.com> Message-Id: <20211209060552.2956723-2-seanjc@google.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-12-19KVM: selftests: vmx_pmu_msrs_test: Drop tests mangling guest visible CPUIDsVitaly Kuznetsov
Host initiated writes to MSR_IA32_PERF_CAPABILITIES should not depend on guest visible CPUIDs and (incorrect) KVM logic implementing it is about to change. Also, KVM_SET_CPUID{,2} after KVM_RUN is now forbidden and causes test to fail. Reported-by: kernel test robot <oliver.sang@intel.com> Fixes: feb627e8d6f6 ("KVM: x86: Forbid KVM_SET_CPUID{,2} after KVM_RUN") Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com> Message-Id: <20211216165213.338923-2-vkuznets@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-12-19KVM: x86: Drop guest CPUID check for host initiated writes to ↵Vitaly Kuznetsov
MSR_IA32_PERF_CAPABILITIES The ability to write to MSR_IA32_PERF_CAPABILITIES from the host should not depend on guest visible CPUID entries, even if just to allow creating/restoring guest MSRs and CPUIDs in any sequence. Fixes: 27461da31089 ("KVM: x86/pmu: Support full width counting") Suggested-by: Sean Christopherson <seanjc@google.com> Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com> Message-Id: <20211216165213.338923-3-vkuznets@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-12-19Revert "block: reduce kblockd_mod_delayed_work_on() CPU consumption"Jens Axboe
This reverts commit cb2ac2912a9ca7d3d26291c511939a41361d2d83. Alex and the kernel test robot report that this causes a significant performance regression with BFQ. I can reproduce that result, so let's revert this one as we're close to -rc6 and we there's no point in trying to rush a fix. Link: https://lore.kernel.org/linux-block/1639853092.524jxfaem2.none@localhost/ Link: https://lore.kernel.org/lkml/20211219141852.GH14057@xsang-OptiPlex-9020/ Reported-by: Alex Xu (Hello71) <alex_y_xu@yahoo.ca> Reported-by: kernel test robot <oliver.sang@intel.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2021-12-19mt76: mt7921s: fix cmd timeout in throughput testDeren Wu
During heavy loading throughtput test, the RX buffer (128) would be exhausted and some RX pkts dropped randomly. Increase buffer size from 128 to 512 (a safer length) to avoid tput degrade or cmd-timeout problem. Signed-off-by: Deren Wu <deren.wu@mediatek.com> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2021-12-19mt76: mt7921s: fix suspend error with enlarging mcu timeout valueSean Wang
Fix the false positive suspend error that may occur on mt7921s with enlarging mcu timeout value. The reason why we have to enlarge mcu timeout from HZ / 3 to HZ is we should consider the additional overhead caused by running concurrently with btmtksdio (a MT7921 bluetooth SDIO driver) that would compete for the same SDIO bus in process context to complete the suspend procedure. Fixes: 48fab5bbef40 ("mt76: mt7921: introduce mt7921s support") Signed-off-by: Sean Wang <sean.wang@mediatek.com> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2021-12-19mt76: mt7921s: make pm->suspended usage consistentSean Wang
Update pm->suspended usage to be consistent with mt7921e driver. Signed-off-by: Sean Wang <sean.wang@mediatek.com> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2021-12-19mt76: mt7921: fix possible resume failureSean Wang
Fix the possible resume failure due to mt76_connac_mcu_set_hif_suspend timeout. That is because clearing the flag pm->suspended too early opened up a race window, where mt7921_poll_tx/rx scheduled a ps_work to put the device in doze mode, that is unexpected for the device is being resumed from the suspend state and would make the remaining MCU comamnds in resume handler failed to execute. Fixes: ffa1bf97425b ("mt76: mt7921: introduce PM support") Co-developed-by: YN Chen <YN.Chen@mediatek.com> Signed-off-by: YN Chen <YN.Chen@mediatek.com> Signed-off-by: Sean Wang <sean.wang@mediatek.com> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2021-12-19mt76: mt7921: clear pm->suspended in mt7921_mac_reset_workSean Wang
clear pm->suspended in mt7921_mac_reset_work to allow pm runtime can be enabled after wifi reset in any circumstance. Signed-off-by: Sean Wang <sean.wang@mediatek.com> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2021-12-19mt76: connac: rely on le16_add_cpu in mt76_connac_mcu_add_nested_tlvLorenzo Bianconi
Rely on le16_add_cpu() in mt76_connac_mcu_add_nested_tlv routine. Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2021-12-19mt76: mt7921: remove dead definitionsLorenzo Bianconi
to_wcid_lo and to_wcid_hi are no longer used in mt7921/mcu.c Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2021-12-19mt76: mt7915: add mu-mimo and ofdma debugfs knobsMeiChia Chiu
Add mu-mimo and ofdma packet counters statistics. The statistics are clear on read. Reviewed-by: Money Wang <Money.Wang@mediatek.com> Reviewed-by: Ryder Lee <ryder.lee@mediatek.com> Signed-off-by: MeiChia Chiu <meichia.chiu@mediatek.com> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2021-12-19mt76: mt7915: introduce mt76_vif in mt7915_vifLorenzo Bianconi
Align mt7915_vif layout to mt7921_vif and mt7615_vif Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2021-12-19mt76: mt7921: reduce log severity levels for informative messagesTzung-Bi Shih
"ASIC revision" and "Firmware init done" shouldn't be error messages. Reduces the severity levels. Signed-off-by: Tzung-Bi Shih <tzungbi@google.com> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2021-12-19mt76: mt7915: rely on mt76_connac definitionsLorenzo Bianconi
Remove duplicated mcu definitions in mt7915 mcu.h and reused connac ones. Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2021-12-19mt76: connac: rely on MCU_CMD macroLorenzo Bianconi
Similar to mt7915 driver, rely on MCU_CMD macro and do not command definitions directly Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2021-12-19mt76: connac: introduce MCU_CE_CMD macroLorenzo Bianconi
Similar to MCU_EXT_CMD, introduce MCU_CE_CMD for CE commands Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2021-12-19mt76: connac: introduce MCU_UNI_CMD macroLorenzo Bianconi
Similar to MCU_EXT_CMD, introduce MCU_UNI_CMD for unified commands Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2021-12-19mt76: connac: remove MCU_FW_PREFIX bitLorenzo Bianconi
Get rid of MCU_FW_PREFIX bit since it is no longer used Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2021-12-19mt76: connac: align MCU_EXT definitions with 7915 driverLorenzo Bianconi
Align MCU_EXT and MCU_FW definitions between mt76_connac and mt7915 driver. This is a preliminary patch to reuse mt76_connac in mt7915 driver. Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2021-12-19mt76: connac: introduce MCU_EXT macrosLorenzo Bianconi
Introduce MCU_EXT_CMD and MCU_EXT_QUERY macros in mt76_connac module. This is a preliminary patch to reuse mt76_connac module in mt7915 driver. Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2021-12-19mt76: mt7921: fix network buffer leak by txs missingDeren Wu
TXS in mt7921 may be forwared to tx_done event. Should try to catch TXS information in tx_done event as well. Signed-off-by: Deren Wu <deren.wu@mediatek.com> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2021-12-19mt76: mt7615: in debugfs queue stats, skip wmm index 3 on mt7663Felix Fietkau
The hardware only supports WMM index 0-2 and registers for index 3 return bogus data. Signed-off-by: Felix Fietkau <nbd@nbd.name>
2021-12-19mt76: mt7915: process txfree and txstatus without allocating skbsFelix Fietkau
Reduces pressure on the memory allocator Signed-off-by: Felix Fietkau <nbd@nbd.name>
2021-12-19mt76: allow drivers to drop rx packets earlyFelix Fietkau
This can be used to free received events without allocating an extra skb Signed-off-by: Felix Fietkau <nbd@nbd.name>
2021-12-19mt76: mt7663: disable 4addr capabilityLorenzo Bianconi
4addr is not supported by the offload firmware yet Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
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