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2023-10-20RISC-V: KVM: Allow some SBI extensions to be disabled by defaultAnup Patel3-29/+38
Currently, all SBI extensions are enabled by default which is problematic for SBI extensions (such as DBCN) which are forwarded to the KVM user-space because we might have an older KVM user-space which is not aware/ready to handle newer SBI extensions. Ideally, the SBI extensions forwarded to the KVM user-space must be disabled by default. To address above, we allow certain SBI extensions to be disabled by default so that KVM user-space must explicitly enable such SBI extensions to receive forwarded calls from Guest VCPU. Signed-off-by: Anup Patel <apatel@ventanamicro.com> Reviewed-by: Andrew Jones <ajones@ventanamicro.com> Signed-off-by: Anup Patel <anup@brainfault.org>
2023-10-20RISC-V: KVM: Change the SBI specification version to v2.0Anup Patel1-1/+1
We will be implementing SBI DBCN extension for KVM RISC-V so let us change the KVM RISC-V SBI specification version to v2.0. Signed-off-by: Anup Patel <apatel@ventanamicro.com> Reviewed-by: Andrew Jones <ajones@ventanamicro.com> Signed-off-by: Anup Patel <anup@brainfault.org>
2023-10-20RISC-V: Add defines for SBI debug console extensionAnup Patel1-0/+7
We add SBI debug console extension related defines/enum to the asm/sbi.h header. Signed-off-by: Anup Patel <apatel@ventanamicro.com> Reviewed-by: Andrew Jones <ajones@ventanamicro.com> Signed-off-by: Anup Patel <anup@brainfault.org>
2023-10-12KVM: riscv: selftests: get-reg-list print_reg should never failAndrew Jones1-51/+42
When outputting the "new" register list we want to print all of the new registers, decoding as much as possible of each of them. Also, we don't want to assert while listing registers with '--list'. We output "/* UNKNOWN */" after each new register (which we were already doing for some), which should be enough. Signed-off-by: Andrew Jones <ajones@ventanamicro.com> Reviewed-by: Haibo Xu <haibo1.xu@intel.com> Signed-off-by: Anup Patel <anup@brainfault.org>
2023-10-12KVM: riscv: selftests: Add condops extensions to get-reg-list testAnup Patel1-0/+17
We have a new conditional operations related ISA extensions so let us add these extensions to get-reg-list test. Signed-off-by: Anup Patel <apatel@ventanamicro.com> Reviewed-by: Andrew Jones <ajones@ventanamicro.com> Signed-off-by: Anup Patel <anup@brainfault.org>
2023-10-12KVM: riscv: selftests: Add smstateen registers to get-reg-list testAnup Patel1-0/+34
We have a new smstateen registers as separate sub-type of CSR ONE_REG interface so let us add these registers to get-reg-list test. Signed-off-by: Anup Patel <apatel@ventanamicro.com> Reviewed-by: Andrew Jones <ajones@ventanamicro.com> Signed-off-by: Anup Patel <anup@brainfault.org>
2023-10-12KVM: riscv: selftests: Add senvcfg register to get-reg-list testAnup Patel1-0/+3
We have a new senvcfg register in the general CSR ONE_REG interface so let us add it to get-reg-list test. Signed-off-by: Anup Patel <apatel@ventanamicro.com> Reviewed-by: Andrew Jones <ajones@ventanamicro.com> Signed-off-by: Anup Patel <anup@brainfault.org>
2023-10-12RISC-V: KVM: Allow Zicond extension for Guest/VMAnup Patel2-0/+3
We extend the KVM ISA extension ONE_REG interface to allow KVM user space to detect and enable Zicond extension for Guest/VM. Signed-off-by: Anup Patel <apatel@ventanamicro.com> Reviewed-by: Andrew Jones <ajones@ventanamicro.com> Signed-off-by: Anup Patel <anup@brainfault.org>
2023-10-12KVM: selftests: Add array order helpers to riscv get-reg-listAndrew Jones1-39/+47
Add a couple macros to use when filling arrays in order to ensure the elements are placed in the right order, regardless of the order we prefer to read them. And immediately apply the new macro to resorting the ISA extension lists alphabetically. Signed-off-by: Andrew Jones <ajones@ventanamicro.com> Reviewed-by: Haibo Xu <haibo1.xu@intel.com> Signed-off-by: Anup Patel <anup@brainfault.org>
2023-10-12MAINTAINERS: RISC-V: KVM: Add another kselftests pathAndrew Jones1-0/+1
With the introduction of the get-reg-list test for riscv, another directory has been added that should be tracked by riscv kvm maintainers. Signed-off-by: Andrew Jones <ajones@ventanamicro.com> Reviewed-by: Haibo Xu <haibo1.xu@intel.com> Signed-off-by: Anup Patel <anup@brainfault.org>
2023-10-12RISCV: KVM: Add sstateen0 to ONE_REGMayuresh Chitale2-2/+70
Add support for sstateen0 CSR to the ONE_REG interface to allow its access from user space. Signed-off-by: Mayuresh Chitale <mchitale@ventanamicro.com> Reviewed-by: Andrew Jones <ajones@ventanamicro.com> Signed-off-by: Anup Patel <anup@brainfault.org>
2023-10-12RISCV: KVM: Add sstateen0 context save/restoreMayuresh Chitale3-0/+21
Define sstateen0 and add sstateen0 save/restore for guest VCPUs. Signed-off-by: Mayuresh Chitale <mchitale@ventanamicro.com> Reviewed-by: Andrew Jones <ajones@ventanamicro.com> Signed-off-by: Anup Patel <anup@brainfault.org>
2023-10-12RISCV: KVM: Add senvcfg context save/restoreMayuresh Chitale4-0/+20
Add senvcfg context save/restore for guest VCPUs and also add it to the ONE_REG interface to allow its access from user space. Signed-off-by: Mayuresh Chitale <mchitale@ventanamicro.com> Reviewed-by: Andrew Jones <ajones@ventanamicro.com> Signed-off-by: Anup Patel <anup@brainfault.org>
2023-10-12RISC-V: KVM: Enable Smstateen accessesMayuresh Chitale5-1/+38
Configure hstateen0 register so that the AIA state and envcfg are accessible to the vcpus. This includes registers such as siselect, sireg, siph, sieh and all the IMISC registers. Signed-off-by: Mayuresh Chitale <mchitale@ventanamicro.com> Reviewed-by: Andrew Jones <ajones@ventanamicro.com> Signed-off-by: Anup Patel <anup@brainfault.org>
2023-10-12RISC-V: KVM: Add kvm_vcpu_configMayuresh Chitale2-13/+21
Add a placeholder for all registers such as henvcfg, hstateen etc which have 'static' configurations depending on extensions supported by the guest. The values are derived once and are then subsequently written to the corresponding CSRs while switching to the vcpu. Signed-off-by: Mayuresh Chitale <mchitale@ventanamicro.com> Reviewed-by: Andrew Jones <ajones@ventanamicro.com> Signed-off-by: Anup Patel <anup@brainfault.org>
2023-10-12dt-bindings: riscv: Add Zicond extension entryAnup Patel1-0/+6
Add an entry for the Zicond extension to the riscv,isa-extensions property. Signed-off-by: Anup Patel <apatel@ventanamicro.com> Reviewed-by: Andrew Jones <ajones@ventanamicro.com> Reviewed-by: Conor Dooley <conor.dooley@microchip.com> Signed-off-by: Anup Patel <anup@brainfault.org>
2023-10-12RISC-V: Detect Zicond from ISA stringAnup Patel2-0/+2
The RISC-V integer conditional (Zicond) operation extension defines standard conditional arithmetic and conditional-select/move operations which are inspired from the XVentanaCondOps extension. In fact, QEMU RISC-V also has support for emulating Zicond extension. Let us detect Zicond extension from ISA string available through DT or ACPI. Signed-off-by: Anup Patel <apatel@ventanamicro.com> Reviewed-by: Andrew Jones <ajones@ventanamicro.com> Reviewed-by: Conor Dooley <conor.dooley@microchip.com> Acked-by: Palmer Dabbelt <palmer@rivosinc.com> Signed-off-by: Anup Patel <anup@brainfault.org>
2023-10-12dt-bindings: riscv: Add smstateen entryMayuresh Chitale1-0/+6
Add an entry for the Smstateen extension to the riscv,isa-extensions property. Signed-off-by: Mayuresh Chitale <mchitale@ventanamicro.com> Reviewed-by: Andrew Jones <ajones@ventanamicro.com> Reviewed-by: Conor Dooley <conor.dooley@microchip.com> Signed-off-by: Anup Patel <anup@brainfault.org>
2023-10-12RISC-V: Detect Smstateen extensionMayuresh Chitale2-0/+2
Extend the ISA string parsing to detect the Smstateen extension. If the extension is enabled then access to certain 'state' such as AIA CSRs in VS mode is controlled by *stateen0 registers. Signed-off-by: Mayuresh Chitale <mchitale@ventanamicro.com> Reviewed-by: Andrew Jones <ajones@ventanamicro.com> Signed-off-by: Anup Patel <anup@brainfault.org>
2023-10-08Linux 6.6-rc5Linus Torvalds1-1/+1
2023-10-07parisc: Restore __ldcw_align for PA-RISC 2.0 processorsJohn David Anglin2-22/+20
Back in 2005, Kyle McMartin removed the 16-byte alignment for ldcw semaphores on PA 2.0 machines (CONFIG_PA20). This broke spinlocks on pre PA8800 processors. The main symptom was random faults in mmap'd memory (e.g., gcc compilations, etc). Unfortunately, the errata for this ldcw change is lost. The issue is the 16-byte alignment required for ldcw semaphore instructions can only be reduced to natural alignment when the ldcw operation can be handled coherently in cache. Only PA8800 and PA8900 processors actually support doing the operation in cache. Aligning the spinlock dynamically adds two integer instructions to each spinlock. Tested on rp3440, c8000 and a500. Signed-off-by: John David Anglin <dave.anglin@bell.net> Link: https://lore.kernel.org/linux-parisc/6b332788-2227-127f-ba6d-55e99ecf4ed8@bell.net/T/#t Link: https://lore.kernel.org/linux-parisc/20050609050702.GB4641@roadwarrior.mcmartin.ca/ Cc: stable@vger.kernel.org Signed-off-by: Helge Deller <deller@gmx.de>
2023-10-07parisc: Fix crash with nr_cpus=1 optionHelge Deller1-1/+3
John David Anglin reported that giving "nr_cpus=1" on the command line causes a crash, while "maxcpus=1" works. Reported-by: John David Anglin <dave.anglin@bell.net> Signed-off-by: Helge Deller <deller@gmx.de> Cc: stable@vger.kernel.org # v5.18+
2023-10-06MAINTAINERS: update the dm-devel mailing listMike Snitzer1-2/+2
dm-devel@redhat.com has migrated to dm-devel@lists.linux.dev Signed-off-by: Mike Snitzer <snitzer@kernel.org>
2023-10-06dt-bindings: trivial-devices: Fix MEMSIC MXC4005 compatible stringLuca Ceresoli1-1/+1
The correct name of this chip is MXC4005, not MX4005. This is confirmed both by the manufacturer website and by the title of the original commit, which added other MXCxxxx devices as well but only this one misses a "c" in the compatible string. Signed-off-by: Luca Ceresoli <luca.ceresoli@bootlin.com> Fixes: d9bf5d37fd58 ("dt-bindings:trivial-devices: Add memsic,mxc4005/mxc6255/mxc6655 entries") Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Link: https://lore.kernel.org/r/20231004-mxc4005-device-tree-support-v1-1-e7c0faea72e4@bootlin.com Signed-off-by: Rob Herring <robh@kernel.org>
2023-10-06dt-bindings: PCI: brcm,iproc-pcie: Fix 'msi' child node schemaRob Herring1-8/+16
The 'msi' child node schema is missing constraints on additional properties. It turns out it is incomplete and properties for it are documented in the parent node by mistake. Move the reference to msi-controller.yaml and the custom properties to the 'msi' node. Adding 'unevaluatedProperties' ensures all the properties in the 'msi' node are documented. With the schema corrected, a minimal interrupt controller node is needed to properly decode the interrupt properties since the example has multiple interrupt parents. Acked-by: Conor Dooley <conor.dooley@microchip.com> Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com> Fixes: 905b986d099c ("dt-bindings: pci: Convert iProc PCIe to YAML") Link: https://lore.kernel.org/r/20230926155613.33904-3-robh@kernel.org Signed-off-by: Rob Herring <robh@kernel.org>
2023-10-06dt-bindings: PCI: brcm,iproc-pcie: Drop common pci-bus propertiesRob Herring1-15/+0
Drop the unnecessary listing of properties already defined in pci-bus.yaml. Unless there are additional constraints, it is not necessary. Acked-by: Conor Dooley <conor.dooley@microchip.com> Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com> Link: https://lore.kernel.org/r/20230926155351.31117-2-robh@kernel.org Signed-off-by: Rob Herring <robh@kernel.org>
2023-10-06dt-bindings: PCI: brcm,iproc-pcie: Fix example indentationRob Herring1-64/+60
The example's indentation is off. While fixing this, the 'bus' node is unnecessary and can be dropped. It is also preferred to split up unrelated examples to their own entries. Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com> Acked-by: Conor Dooley <conor.dooley@microchip.com> Link: https://lore.kernel.org/r/20230926155351.31117-1-robh@kernel.org Signed-off-by: Rob Herring <robh@kernel.org>
2023-10-06media: dt-bindings: Add missing unevaluatedProperties on child node schemasRob Herring3-0/+4
Just as unevaluatedProperties or additionalProperties are required at the top level of schemas, they should (and will) also be required for child node schemas. That ensures only documented properties are present for any node. Acked-by: Conor Dooley <conor.dooley@microchip.com> Link: https://lore.kernel.org/r/20230925212803.1976803-1-robh@kernel.org Signed-off-by: Rob Herring <robh@kernel.org>
2023-10-06dt-bindings: bus: fsl,imx8qxp-pixel-link-msi-bus: Drop child 'reg' propertyRob Herring1-3/+0
A bus schema based on simple-pm-bus shouldn't define how many 'reg' entries a child device has. That is a property of the device. Drop the 'reg' entry. Reviewed-by: Liu Ying <victor.liu@nxp.com> Acked-by: Conor Dooley <conor.dooley@microchip.com> Link: https://lore.kernel.org/r/20230925212639.1975002-1-robh@kernel.org Signed-off-by: Rob Herring <robh@kernel.org>
2023-10-06media: dt-bindings: imx7-csi: Make power-domains not required for imx8mqFabio Estevam1-1/+0
On i.MX8MQ the MIPI CSI block does have an associated power-domain, but the CSI bridge does not. Remove the power-domains requirement from the i.MX8MQ CSI bridge to fix the following schema warning: imx8mq-librem5-r4.dtb: csi@30a90000: 'power-domains' is a required property from schema $id: http://devicetree.org/schemas/media/nxp,imx7-csi.yaml# Fixes: de655386845a ("media: dt-bindings: media: imx7-csi: Document i.MX8M power-domains property") Signed-off-by: Fabio Estevam <festevam@denx.de> Acked-by: Conor Dooley <conor.dooley@microchip.com> Reviewed-by: Marek Vasut <marex@denx.de> Link: https://lore.kernel.org/r/20231004201105.2323758-1-festevam@gmail.com Signed-off-by: Rob Herring <robh@kernel.org>
2023-10-06platform/x86: hp-wmi:: Mark driver struct with __refdata to prevent section mismatch warningUwe Kleine-König1-1/+7
As described in the added code comment, a reference to .exit.text is ok for drivers registered via module_platform_driver_probe(). Make this explicit to prevent a section mismatch warning: WARNING: modpost: drivers/platform/x86/hp/hp-wmi: section mismatch in reference: hp_wmi_driver+0x8 (section: .data) -> hp_wmi_bios_remove (section: .exit.text) Fixes: c165b80cfecc ("hp-wmi: fix handling of platform device") Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Link: https://lore.kernel.org/r/20231004111624.2667753-1-u.kleine-koenig@pengutronix.de Reviewed-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Hans de Goede <hdegoede@redhat.com>
2023-10-05io-wq: fully initialize wqe before calling cpuhp_state_add_instance_nocalls()Jeff Moyer1-6/+4
I received a bug report with the following signature: [ 1759.937637] BUG: unable to handle page fault for address: ffffffffffffffe8 [ 1759.944564] #PF: supervisor read access in kernel mode [ 1759.949732] #PF: error_code(0x0000) - not-present page [ 1759.954901] PGD 7ab615067 P4D 7ab615067 PUD 7ab617067 PMD 0 [ 1759.960596] Oops: 0000 1 PREEMPT SMP PTI [ 1759.964804] CPU: 15 PID: 109 Comm: cpuhp/15 Kdump: loaded Tainted: G X ------- — 5.14.0-362.3.1.el9_3.x86_64 #1 [ 1759.976609] Hardware name: HPE ProLiant DL380 Gen10/ProLiant DL380 Gen10, BIOS U30 06/20/2018 [ 1759.985181] RIP: 0010:io_wq_for_each_worker.isra.0+0x24/0xa0 [ 1759.990877] Code: 90 90 90 90 90 90 0f 1f 44 00 00 41 56 41 55 41 54 55 48 8d 6f 78 53 48 8b 47 78 48 39 c5 74 4f 49 89 f5 49 89 d4 48 8d 58 e8 <8b> 13 85 d2 74 32 8d 4a 01 89 d0 f0 0f b1 0b 75 5c 09 ca 78 3d 48 [ 1760.009758] RSP: 0000:ffffb6f403603e20 EFLAGS: 00010286 [ 1760.015013] RAX: 0000000000000000 RBX: ffffffffffffffe8 RCX: 0000000000000000 [ 1760.022188] RDX: ffffb6f403603e50 RSI: ffffffffb11e95b0 RDI: ffff9f73b09e9400 [ 1760.029362] RBP: ffff9f73b09e9478 R08: 000000000000000f R09: 0000000000000000 [ 1760.036536] R10: ffffffffffffff00 R11: ffffb6f403603d80 R12: ffffb6f403603e50 [ 1760.043712] R13: ffffffffb11e95b0 R14: ffffffffb28531e8 R15: ffff9f7a6fbdf548 [ 1760.050887] FS: 0000000000000000(0000) GS:ffff9f7a6fbc0000(0000) knlGS:0000000000000000 [ 1760.059025] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1760.064801] CR2: ffffffffffffffe8 CR3: 00000007ab610002 CR4: 00000000007706e0 [ 1760.071976] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1760.079150] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1760.086325] PKRU: 55555554 [ 1760.089044] Call Trace: [ 1760.091501] <TASK> [ 1760.093612] ? show_trace_log_lvl+0x1c4/0x2df [ 1760.097995] ? show_trace_log_lvl+0x1c4/0x2df [ 1760.102377] ? __io_wq_cpu_online+0x54/0xb0 [ 1760.106584] ? __die_body.cold+0x8/0xd [ 1760.110356] ? page_fault_oops+0x134/0x170 [ 1760.114479] ? kernelmode_fixup_or_oops+0x84/0x110 [ 1760.119298] ? exc_page_fault+0xa8/0x150 [ 1760.123247] ? asm_exc_page_fault+0x22/0x30 [ 1760.127458] ? __pfx_io_wq_worker_affinity+0x10/0x10 [ 1760.132453] ? __pfx_io_wq_worker_affinity+0x10/0x10 [ 1760.137446] ? io_wq_for_each_worker.isra.0+0x24/0xa0 [ 1760.142527] __io_wq_cpu_online+0x54/0xb0 [ 1760.146558] cpuhp_invoke_callback+0x109/0x460 [ 1760.151029] ? __pfx_io_wq_cpu_offline+0x10/0x10 [ 1760.155673] ? __pfx_smpboot_thread_fn+0x10/0x10 [ 1760.160320] cpuhp_thread_fun+0x8d/0x140 [ 1760.164266] smpboot_thread_fn+0xd3/0x1a0 [ 1760.168297] kthread+0xdd/0x100 [ 1760.171457] ? __pfx_kthread+0x10/0x10 [ 1760.175225] ret_from_fork+0x29/0x50 [ 1760.178826] </TASK> [ 1760.181022] Modules linked in: rpcsec_gss_krb5 auth_rpcgss nfsv4 dns_resolver nfs lockd grace fscache netfs rfkill sunrpc vfat fat dm_multipath intel_rapl_msr intel_rapl_common isst_if_common ipmi_ssif nfit libnvdimm mgag200 i2c_algo_bit ioatdma drm_shmem_helper drm_kms_helper acpi_ipmi syscopyarea x86_pkg_temp_thermal sysfillrect ipmi_si intel_powerclamp sysimgblt ipmi_devintf coretemp acpi_power_meter ipmi_msghandler rapl pcspkr dca intel_pch_thermal intel_cstate ses lpc_ich intel_uncore enclosure hpilo mei_me mei acpi_tad fuse drm xfs sd_mod sg bnx2x nvme nvme_core crct10dif_pclmul crc32_pclmul nvme_common ghash_clmulni_intel smartpqi tg3 t10_pi mdio uas libcrc32c crc32c_intel scsi_transport_sas usb_storage hpwdt wmi dm_mirror dm_region_hash dm_log dm_mod [ 1760.248623] CR2: ffffffffffffffe8 A cpu hotplug callback was issued before wq->all_list was initialized. This results in a null pointer dereference. The fix is to fully setup the io_wq before calling cpuhp_state_add_instance_nocalls(). Signed-off-by: Jeff Moyer <jmoyer@redhat.com> Link: https://lore.kernel.org/r/x49y1ghnecs.fsf@segfault.boston.devel.redhat.com Signed-off-by: Jens Axboe <axboe@kernel.dk>
2023-10-05cpufreq: schedutil: Update next_freq when cpufreq_limits changeXuewen Yan1-1/+2
When cpufreq's policy is 'single', there is a scenario that will cause sg_policy's next_freq to be unable to update. When the CPU's util is always max, the cpufreq will be max, and then if we change the policy's scaling_max_freq to be a lower freq, indeed, the sg_policy's next_freq need change to be the lower freq, however, because the cpu_is_busy, the next_freq would keep the max_freq. For example: The cpu7 is a single CPU: unisoc:/sys/devices/system/cpu/cpufreq/policy7 # while true;do done& [1] 4737 unisoc:/sys/devices/system/cpu/cpufreq/policy7 # taskset -p 80 4737 pid 4737's current affinity mask: ff pid 4737's new affinity mask: 80 unisoc:/sys/devices/system/cpu/cpufreq/policy7 # cat scaling_max_freq 2301000 unisoc:/sys/devices/system/cpu/cpufreq/policy7 # cat scaling_cur_freq 2301000 unisoc:/sys/devices/system/cpu/cpufreq/policy7 # echo 2171000 > scaling_max_freq unisoc:/sys/devices/system/cpu/cpufreq/policy7 # cat scaling_max_freq 2171000 At this time, the sg_policy's next_freq would stay at 2301000, which is wrong. To fix this, add a check for the ->need_freq_update flag. [ mingo: Clarified the changelog. ] Co-developed-by: Guohua Yan <guohua.yan@unisoc.com> Signed-off-by: Xuewen Yan <xuewen.yan@unisoc.com> Signed-off-by: Guohua Yan <guohua.yan@unisoc.com> Signed-off-by: Ingo Molnar <mingo@kernel.org> Acked-by: "Rafael J. Wysocki" <rafael@kernel.org> Link: https://lore.kernel.org/r/20230719130527.8074-1-xuewen.yan@unisoc.com
2023-10-05platform/x86: touchscreen_dmi: Add info for the Positivo C4128BRenan Guilherme Lebre Ramos1-0/+23
Add information for the Positivo C4128B, a notebook/tablet convertible. Link: https://github.com/onitake/gsl-firmware/pull/217 Signed-off-by: Renan Guilherme Lebre Ramos <japareaggae@gmail.com> Link: https://lore.kernel.org/r/20231004235900.426240-1-japareaggae@gmail.com Reviewed-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Hans de Goede <hdegoede@redhat.com>
2023-10-05RDMA/core: Require admin capabilities to set system parametersLeon Romanovsky1-0/+1
Like any other set command, require admin permissions to do it. Cc: stable@vger.kernel.org Fixes: 2b34c5580226 ("RDMA/core: Add command to set ib_core device net namspace sharing mode") Link: https://lore.kernel.org/r/75d329fdd7381b52cbdf87910bef16c9965abb1f.1696443438.git.leon@kernel.org Reviewed-by: Parav Pandit <parav@nvidia.com> Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
2023-10-05MAINTAINERS: update Matthieu's email addressMatthieu Baerts2-1/+2
Use my kernel.org account instead. The other one will bounce by the end of the year. Signed-off-by: Matthieu Baerts <matttbe@kernel.org> Signed-off-by: Mat Martineau <martineau@kernel.org> Link: https://lore.kernel.org/r/20231004-send-net-20231004-v1-3-28de4ac663ae@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-10-05mptcp: userspace pm allow creating id 0 subflowGeliang Tang1-6/+0
This patch drops id 0 limitation in mptcp_nl_cmd_sf_create() to allow creating additional subflows with the local addr ID 0. There is no reason not to allow additional subflows from this local address: we should be able to create new subflows from the initial endpoint. This limitation was breaking fullmesh support from userspace. Fixes: 702c2f646d42 ("mptcp: netlink: allow userspace-driven subflow establishment") Closes: https://github.com/multipath-tcp/mptcp_net-next/issues/391 Cc: stable@vger.kernel.org Suggested-by: Matthieu Baerts <matthieu.baerts@tessares.net> Reviewed-by: Matthieu Baerts <matthieu.baerts@tessares.net> Signed-off-by: Geliang Tang <geliang.tang@suse.com> Signed-off-by: Mat Martineau <martineau@kernel.org> Link: https://lore.kernel.org/r/20231004-send-net-20231004-v1-2-28de4ac663ae@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-10-05mptcp: fix delegated action racesPaolo Abeni3-39/+34
The delegated action infrastructure is prone to the following race: different CPUs can try to schedule different delegated actions on the same subflow at the same time. Each of them will check different bits via mptcp_subflow_delegate(), and will try to schedule the action on the related per-cpu napi instance. Depending on the timing, both can observe an empty delegated list node, causing the same entry to be added simultaneously on two different lists. The root cause is that the delegated actions infra does not provide a single synchronization point. Address the issue reserving an additional bit to mark the subflow as scheduled for delegation. Acquiring such bit guarantee the caller to own the delegated list node, and being able to safely schedule the subflow. Clear such bit only when the subflow scheduling is completed, ensuring proper barrier in place. Additionally swap the meaning of the delegated_action bitmask, to allow the usage of the existing helper to set multiple bit at once. Fixes: bcd97734318d ("mptcp: use delegate action to schedule 3rd ack retrans") Cc: stable@vger.kernel.org Reviewed-by: Mat Martineau <martineau@kernel.org> Signed-off-by: Paolo Abeni <pabeni@redhat.com> Signed-off-by: Mat Martineau <martineau@kernel.org> Link: https://lore.kernel.org/r/20231004-send-net-20231004-v1-1-28de4ac663ae@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-10-05net: stmmac: remove unneeded stmmac_poll_controllerRemi Pommarel1-30/+0
Using netconsole netpoll_poll_dev could be called from interrupt context, thus using disable_irq() would cause the following kernel warning with CONFIG_DEBUG_ATOMIC_SLEEP enabled: BUG: sleeping function called from invalid context at kernel/irq/manage.c:137 in_atomic(): 1, irqs_disabled(): 128, non_block: 0, pid: 10, name: ksoftirqd/0 CPU: 0 PID: 10 Comm: ksoftirqd/0 Tainted: G W 5.15.42-00075-g816b502b2298-dirty #117 Hardware name: aml (r1) (DT) Call trace: dump_backtrace+0x0/0x270 show_stack+0x14/0x20 dump_stack_lvl+0x8c/0xac dump_stack+0x18/0x30 ___might_sleep+0x150/0x194 __might_sleep+0x64/0xbc synchronize_irq+0x8c/0x150 disable_irq+0x2c/0x40 stmmac_poll_controller+0x140/0x1a0 netpoll_poll_dev+0x6c/0x220 netpoll_send_skb+0x308/0x390 netpoll_send_udp+0x418/0x760 write_msg+0x118/0x140 [netconsole] console_unlock+0x404/0x500 vprintk_emit+0x118/0x250 dev_vprintk_emit+0x19c/0x1cc dev_printk_emit+0x90/0xa8 __dev_printk+0x78/0x9c _dev_warn+0xa4/0xbc ath10k_warn+0xe8/0xf0 [ath10k_core] ath10k_htt_txrx_compl_task+0x790/0x7fc [ath10k_core] ath10k_pci_napi_poll+0x98/0x1f4 [ath10k_pci] __napi_poll+0x58/0x1f4 net_rx_action+0x504/0x590 _stext+0x1b8/0x418 run_ksoftirqd+0x74/0xa4 smpboot_thread_fn+0x210/0x3c0 kthread+0x1fc/0x210 ret_from_fork+0x10/0x20 Since [0] .ndo_poll_controller is only needed if driver doesn't or partially use NAPI. Because stmmac does so, stmmac_poll_controller can be removed fixing the above warning. [0] commit ac3d9dd034e5 ("netpoll: make ndo_poll_controller() optional") Cc: <stable@vger.kernel.org> # 5.15.x Fixes: 47dd7a540b8a ("net: add support for STMicroelectronics Ethernet controllers") Signed-off-by: Remi Pommarel <repk@triplefau.lt> Reviewed-by: Simon Horman <horms@kernel.org> Link: https://lore.kernel.org/r/1c156a6d8c9170bd6a17825f2277115525b4d50f.1696429960.git.repk@triplefau.lt Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-10-05net: lan743x: also select PHYLIBRandy Dunlap1-0/+1
Since FIXED_PHY depends on PHYLIB, PHYLIB needs to be set to avoid a kconfig warning: WARNING: unmet direct dependencies detected for FIXED_PHY Depends on [n]: NETDEVICES [=y] && PHYLIB [=n] Selected by [y]: - LAN743X [=y] && NETDEVICES [=y] && ETHERNET [=y] && NET_VENDOR_MICROCHIP [=y] && PCI [=y] && PTP_1588_CLOCK_OPTIONAL [=y] Fixes: 73c4d1b307ae ("net: lan743x: select FIXED_PHY") Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Reported-by: kernel test robot <lkp@intel.com> Closes: lore.kernel.org/r/202309261802.JPbRHwti-lkp@intel.com Cc: Bryan Whitehead <bryan.whitehead@microchip.com> Cc: UNGLinuxDriver@microchip.com Reviewed-by: Simon Horman <horms@kernel.org> Tested-by: Simon Horman <horms@kernel.org> # build-tested Link: https://lore.kernel.org/r/20231002193544.14529-1-rdunlap@infradead.org Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-10-05net: ethernet: mediatek: disable irq before schedule napiChristian Marangi1-2/+2
While searching for possible refactor of napi_schedule_prep and __napi_schedule it was notice that the mtk eth driver disable the interrupt for rx and tx AFTER napi is scheduled. While this is a very hard to repro case it might happen to have situation where the interrupt is disabled and never enabled again as the napi completes and the interrupt is enabled before. This is caused by the fact that a napi driven by interrupt expect a logic with: 1. interrupt received. napi prepared -> interrupt disabled -> napi scheduled 2. napi triggered. ring cleared -> interrupt enabled -> wait for new interrupt To prevent this case, disable the interrupt BEFORE the napi is scheduled. Fixes: 656e705243fd ("net-next: mediatek: add support for MT7623 ethernet") Cc: stable@vger.kernel.org Signed-off-by: Christian Marangi <ansuelsmth@gmail.com> Link: https://lore.kernel.org/r/20231002140805.568-1-ansuelsmth@gmail.com Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2023-10-05HID: Add quirk to ignore the touchscreen battery on HP ENVY 15-eu0556ngFabian Vogt2-0/+3
Like various other devices using similar hardware, this model reports a perpetually empty battery (0-1%). Join the others and apply HID_BATTERY_QUIRK_IGNORE. Signed-off-by: Fabian Vogt <fabian@ritter-vogt.de> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2023-10-05HID: intel-ish-hid: ipc: Disable and reenable ACPI GPE bitSrinivas Pandruvada1-0/+8
The EHL (Elkhart Lake) based platforms provide a OOB (Out of band) service, which allows to wakup device when the system is in S5 (Soft-Off state). This OOB service can be enabled/disabled from BIOS settings. When enabled, the ISH device gets PME wake capability. To enable PME wakeup, driver also needs to enable ACPI GPE bit. On resume, BIOS will clear the wakeup bit. So driver need to re-enable it in resume function to keep the next wakeup capability. But this BIOS clearing of wakeup bit doesn't decrement internal OS GPE reference count, so this reenabling on every resume will cause reference count to overflow. So first disable and reenable ACPI GPE bit using acpi_disable_gpe(). Fixes: 2e23a70edabe ("HID: intel-ish-hid: ipc: finish power flow for EHL OOB") Reported-by: Kai-Heng Feng <kai.heng.feng@canonical.com> Closes: https://lore.kernel.org/lkml/CAAd53p4=oLYiH2YbVSmrPNj1zpMcfp=Wxbasb5vhMXOWCArLCg@mail.gmail.com/T/ Tested-by: Kai-Heng Feng <kai.heng.feng@canonical.com> Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2023-10-05HID: sony: remove duplicate NULL check before calling usb_free_urb()Jiri Kosina1-2/+1
usb_free_urb() does the NULL check itself, so there is no need to duplicate it prior to calling. Reported-by: kernel test robot <lkp@intel.com> Fixes: e1cd4004cde7c9 ("HID: sony: Fix a potential memory leak in sony_probe()") Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2023-10-05HID: nintendo: reinitialize USB Pro Controller after resuming from suspendMartino Fontana1-72/+103
When suspending the computer, a Switch Pro Controller connected via USB will lose its internal status. However, because the USB connection was technically never lost, when resuming the computer, the driver will attempt to communicate with the controller as if nothing happened (and fail). Because of this, the user was forced to manually disconnect the controller (or to press the sync button on the controller to power it off), so that it can be re-initialized. With this patch, the controller will be automatically re-initialized after resuming from suspend. Closes: https://bugzilla.kernel.org/show_bug.cgi?id=216233 Signed-off-by: Martino Fontana <tinozzo123@gmail.com> Reviewed-by: Daniel J. Ogorchock <djogorchock@gmail.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2023-10-05HID: nvidia-shield: Fix some missing function calls() in the probe error handling pathChristophe JAILLET1-2/+4
The commit in Fixes updated the error handling path of thunderstrike_create() and the remove function but not the error handling path of shield_probe(), should an error occur after a successful thunderstrike_create() call. Add the missing calls. Fixes: 3ab196f88237 ("HID: nvidia-shield: Add battery support for Thunderstrike") Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Reviewed-by: Rahul Rameshbabu <rrameshbabu@nvidia.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2023-10-05HID: nvidia-shield: Fix a missing led_classdev_unregister() in the probe error handling pathChristophe JAILLET1-1/+2
The commit in Fixes updated the error handling path of thunderstrike_create() and the remove function but not the error handling path of shield_probe(), should an error occur after a successful thunderstrike_create() call. Add the missing call. Make sure it is safe to call in the probe error handling path by preventing the led_classdev from attempting to set the LED brightness to the off state on unregister. Fixes: f88af60e74a5 ("HID: nvidia-shield: Support LED functionality for Thunderstrike") Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Reviewed-by: Rahul Rameshbabu <rrameshbabu@nvidia.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2023-10-05HID: multitouch: Add required quirk for Synaptics 0xcd7e deviceRahul Rameshbabu1-0/+4
Register the Synaptics device as a special multitouch device with certain quirks that may improve usability of the touchpad device. Reported-by: Rain <rain@sunshowers.io> Closes: https://lore.kernel.org/linux-input/2bbb8e1d-1793-4df1-810f-cb0137341ff4@app.fastmail.com/ Signed-off-by: Rahul Rameshbabu <sergeantsagara@protonmail.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2023-10-05net: mana: Fix oversized sge0 for GSO packetsHaiyang Zhang2-58/+138
Handle the case when GSO SKB linear length is too large. MANA NIC requires GSO packets to put only the header part to SGE0, otherwise the TX queue may stop at the HW level. So, use 2 SGEs for the skb linear part which contains more than the packet header. Fixes: ca9c54d2d6a5 ("net: mana: Add a driver for Microsoft Azure Network Adapter (MANA)") Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com> Reviewed-by: Simon Horman <horms@kernel.org> Reviewed-by: Shradha Gupta <shradhagupta@linux.microsoft.com> Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2023-10-05net: mana: Fix the tso_bytes calculationHaiyang Zhang1-2/+0
sizeof(struct hop_jumbo_hdr) is not part of tso_bytes, so remove the subtraction from header size. Cc: stable@vger.kernel.org Fixes: bd7fc6e1957c ("net: mana: Add new MANA VF performance counters for easier troubleshooting") Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com> Reviewed-by: Simon Horman <horms@kernel.org> Reviewed-by: Shradha Gupta <shradhagupta@linux.microsoft.com> Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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