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2023-10-31drm/nouveau/therm/tu102-: prepare for GSP-RMBen Skeggs
- disable THERM completely when GSP-RM detected Signed-off-by: Ben Skeggs <bskeggs@redhat.com> Signed-off-by: Dave Airlie <airlied@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230918202149.4343-21-skeggsb@gmail.com
2023-10-31drm/nouveau/privring/tu102-: prepare for GSP-RMBen Skeggs
- disable PRIVRING completely when GSP-RM detected Signed-off-by: Ben Skeggs <bskeggs@redhat.com> Signed-off-by: Dave Airlie <airlied@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230918202149.4343-20-skeggsb@gmail.com
2023-10-31drm/nouveau/pmu/tu102-: prepare for GSP-RMBen Skeggs
- disable PMU completely when GSP-RM detected Signed-off-by: Ben Skeggs <bskeggs@redhat.com> Signed-off-by: Dave Airlie <airlied@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230918202149.4343-19-skeggsb@gmail.com
2023-10-31drm/nouveau/mmu/tu102-: prepare for GSP-RMBen Skeggs
- (temporarily) disable if GSP-RM detected, will be added later Signed-off-by: Ben Skeggs <bskeggs@redhat.com> Signed-off-by: Dave Airlie <airlied@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230918202149.4343-18-skeggsb@gmail.com
2023-10-31drm/nouveau/mc/tu102-: prepare for GSP-RMBen Skeggs
- disable MC completely when GSP-RM detected Signed-off-by: Ben Skeggs <bskeggs@redhat.com> Signed-off-by: Dave Airlie <airlied@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230918202149.4343-17-skeggsb@gmail.com
2023-10-31drm/nouveau/ltc/tu102-: prepare for GSP-RMBen Skeggs
- disable LTC completely when GSP-RM detected Signed-off-by: Ben Skeggs <bskeggs@redhat.com> Signed-off-by: Dave Airlie <airlied@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230918202149.4343-16-skeggsb@gmail.com
2023-10-31drm/nouveau/imem/tu102-: prepare for GSP-RMBen Skeggs
- move suspend/resume paths to HW-specific code - allow (future) RM paths to be based on nv50_instmem Signed-off-by: Ben Skeggs <bskeggs@redhat.com> Signed-off-by: Dave Airlie <airlied@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230918202149.4343-15-skeggsb@gmail.com
2023-10-31drm/nouveau/i2c/tu102-: prepare for GSP-RMBen Skeggs
- disable I2C completely when GSP-RM detected Signed-off-by: Ben Skeggs <bskeggs@redhat.com> Signed-off-by: Dave Airlie <airlied@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230918202149.4343-14-skeggsb@gmail.com
2023-10-31drm/nouveau/gpio/tu102-: prepare for GSP-RMBen Skeggs
- disable GPIO completely when GSP-RM detected Signed-off-by: Ben Skeggs <bskeggs@redhat.com> Signed-off-by: Dave Airlie <airlied@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230918202149.4343-13-skeggsb@gmail.com
2023-10-31drm/nouveau/fuse/tu102-: prepare for GSP-RMBen Skeggs
- disable FUSE completely when GSP-RM detected Signed-off-by: Ben Skeggs <bskeggs@redhat.com> Signed-off-by: Dave Airlie <airlied@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230918202149.4343-12-skeggsb@gmail.com
2023-10-31drm/nouveau/fb/tu102-: prepare for GSP-RMBen Skeggs
- add (initial) R535 implementation of FB, need VRAM size etc for boot - expose a way to "wrap" vram at a specific address/size as a standard nvkm_memory allocation, which will be used to write PTEs etc for RM- defined memory regions Signed-off-by: Ben Skeggs <bskeggs@redhat.com> Signed-off-by: Dave Airlie <airlied@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230918202149.4343-11-skeggsb@gmail.com
2023-10-31drm/nouveau/fault/tu102-: prepare for GSP-RMBen Skeggs
- disable FAULT completely when GSP-RM detected - SVM support will be disabled when running on RM because of this Signed-off-by: Ben Skeggs <bskeggs@redhat.com> Signed-off-by: Dave Airlie <airlied@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230918202149.4343-10-skeggsb@gmail.com
2023-10-31drm/nouveau/devinit/tu102-: prepare for GSP-RMBen Skeggs
- add R535 implementation of DEVINIT, we need some of this for boot - add display disable fuse for ga100- Signed-off-by: Ben Skeggs <bskeggs@redhat.com> Signed-off-by: Dave Airlie <airlied@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230918202149.4343-9-skeggsb@gmail.com
2023-10-31drm/nouveau/bus/tu102-: prepare for GSP-RMBen Skeggs
- disable BUS completely when GSP-RM detected Signed-off-by: Ben Skeggs <bskeggs@redhat.com> Signed-off-by: Dave Airlie <airlied@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230918202149.4343-8-skeggsb@gmail.com
2023-10-31drm/nouveau/bar/tu102-: prepare for GSP-RMBen Skeggs
- (temporarily) disable if GSP-RM detected, will be added later - move BAR2 teardown from dtor(), it doesn't belong there Signed-off-by: Ben Skeggs <bskeggs@redhat.com> Signed-off-by: Dave Airlie <airlied@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230918202149.4343-7-skeggsb@gmail.com
2023-10-31drm/nouveau/acr/tu102-: prepare for GSP-RMBen Skeggs
- disable ACR completely when GSP-RM detected Signed-off-by: Ben Skeggs <bskeggs@redhat.com> Signed-off-by: Dave Airlie <airlied@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230918202149.4343-6-skeggsb@gmail.com
2023-10-31drm/nouveau/gsp: prepare for GSP-RMBen Skeggs
- move TOP after GSP, so we can disable TOP if GSP is in use - provide plumbing to support falcon-only and GSP-RM paths - provide a method for subdevs to detect GSP-RM paths - split tu102/tu116/ga100 paths from gv100, which can't support GSP-RM Signed-off-by: Ben Skeggs <bskeggs@redhat.com> Signed-off-by: Dave Airlie <airlied@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230918202149.4343-5-skeggsb@gmail.com
2023-10-31drm/nouveau/nvkm: bump maximum number of NVJPGBen Skeggs
RM (and GH100) support 8 NVJPG instances. Signed-off-by: Ben Skeggs <bskeggs@redhat.com> Signed-off-by: Dave Airlie <airlied@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230918202149.4343-4-skeggsb@gmail.com
2023-10-31drm/nouveau/nvkm: bump maximum number of NVDECBen Skeggs
RM (and GH100) support 8 NVDEC instances. Signed-off-by: Ben Skeggs <bskeggs@redhat.com> Signed-off-by: Dave Airlie <airlied@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230918202149.4343-3-skeggsb@gmail.com
2023-10-31drm/nouveau/mmu/tu102-: remove write to 0x100e68 during tlb invalidateBen Skeggs
This was cargo-culted from traces of RM when the code was written, but we probably shouldn't be touching NV_PFB regs while GSP-RM is running. From traces, it looks like NVIDIA dropped this sometime between 510.54 and 515.48.07, so I guess we can too. Signed-off-by: Ben Skeggs <bskeggs@redhat.com> Signed-off-by: Dave Airlie <airlied@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230918202149.4343-2-skeggsb@gmail.com
2023-10-30Merge tag 'slab-for-6.7' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab Pull slab updates from Vlastimil Babka: - SLUB: slab order calculation refactoring (Vlastimil Babka, Feng Tang) Recent proposals to tune the slab order calculations have prompted us to look at the current code and refactor it to make it easier to follow and eliminate some odd corner cases. The refactoring is mostly non-functional changes, but should make the actual tuning easier to implement and review. * tag 'slab-for-6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab: mm/slub: refactor calculate_order() and calc_slab_order() mm/slub: attempt to find layouts up to 1/2 waste in calculate_order() mm/slub: remove min_objects loop from calculate_order() mm/slub: simplify the last resort slab order calculation mm/slub: add sanity check for slub_min/max_order cmdline setup
2023-10-30Merge tag 'rcu-next-v6.7' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/frederic/linux-dynticks Pull RCU updates from Frederic Weisbecker: - RCU torture, locktorture and generic torture infrastructure updates that include various fixes, cleanups and consolidations. Among the user visible things, ftrace dumps can now be found into their own file, and module parameters get better documented and reported on dumps. - Generic and misc fixes all over the place. Some highlights: * Hotplug handling has seen some light cleanups and comments * An RCU barrier can now be triggered through sysfs to serialize memory stress testing and avoid OOM * Object information is now dumped in case of invalid callback invocation * Also various SRCU issues, too hard to trigger to deserve urgent pull requests, have been fixed - RCU documentation updates - RCU reference scalability test minor fixes and doc improvements. - RCU tasks minor fixes - Stall detection updates. Introduce RCU CPU Stall notifiers that allows a subsystem to provide informations to help debugging. Also cure some false positive stalls. * tag 'rcu-next-v6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/frederic/linux-dynticks: (56 commits) srcu: Only accelerate on enqueue time locktorture: Check the correct variable for allocation failure srcu: Fix callbacks acceleration mishandling rcu: Comment why callbacks migration can't wait for CPUHP_RCUTREE_PREP rcu: Standardize explicit CPU-hotplug calls rcu: Conditionally build CPU-hotplug teardown callbacks rcu: Remove references to rcu_migrate_callbacks() from diagrams rcu: Assume rcu_report_dead() is always called locally rcu: Assume IRQS disabled from rcu_report_dead() rcu: Use rcu_segcblist_segempty() instead of open coding it rcu: kmemleak: Ignore kmemleak false positives when RCU-freeing objects srcu: Fix srcu_struct node grpmask overflow on 64-bit systems torture: Convert parse-console.sh to mktemp rcutorture: Traverse possible cpu to set maxcpu in rcu_nocb_toggle() rcutorture: Replace schedule_timeout*() 1-jiffy waits with HZ/20 torture: Add kvm.sh --debug-info argument locktorture: Rename readers_bind/writers_bind to bind_readers/bind_writers doc: Catch-up update for locktorture module parameters locktorture: Add call_rcu_chains module parameter locktorture: Add new module parameters to lock_torture_print_module_parms() ...
2023-10-30Merge tag 'csd-lock.2023.10.23a' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu Pull CSD lock update from Paul McKenney: "This adds a kernel boot parameter that causes the kernel to panic if one of the call_smp_function() APIs is stalled for more than the specified duration. This is useful in deployments in which a clean panic is preferable to an indefinite stall" * tag 'csd-lock.2023.10.23a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu: smp,csd: Throw an error if a CSD lock is stuck for too long
2023-10-30Merge tag 'lkmm.2023.10.28a' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu Pull Linux Kernel Memory Model updates from Paul McKenney: "This update adds paragraphs to the portions of memory-barriers.txt that have been marked historical due to changes in the way that the Linux kernel handles DEC Alpha. These paragraphs includes information on where to find the corresponding up-to-date information" * tag 'lkmm.2023.10.28a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu: docs: memory-barriers: Add note on compiler transformation and address deps
2023-10-30Merge tag 'nolibc.2023.10.23a' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu Pull nolibc updates from Paul McKenney: - Add stdarg.h header and a few additional system-call upgrades - Add support for constructors and destructors - Add tests to verify the ability to link multiple .o files against nolibc - Numerous string-function optimizations and improvements - Prevent redundant kernel relinks by avoiding embedding of initramfs into the kernel image - Allow building i386 with multiarch compiler and make ppc64le use qemu-system-ppc64 - Miscellaneous fixups, including addition of -nostdinc for nolibc-test, avoiding -Wstringop-overflow warnings, and avoiding unused parameter warnings for ENOSYS fallbacks * tag 'nolibc.2023.10.23a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu: selftests/nolibc: add tests for multi-object linkage selftests/nolibc: use qemu-system-ppc64 for ppc64le tools/nolibc: add support for constructors and destructors tools/nolibc: drop test for getauxval(AT_PAGESZ) tools/nolibc: automatically detect necessity to use pselect6 tools/nolibc: don't define new syscall number tools/nolibc: avoid unused parameter warnings for ENOSYS fallbacks selftests/nolibc: allow building i386 with multiarch compiler selftests/nolibc: don't embed initramfs into kernel image selftests/nolibc: libc-test: avoid -Wstringop-overflow warnings tools/nolibc: string: Remove the `_nolibc_memcpy_up()` function tools/nolibc: string: Remove the `_nolibc_memcpy_down()` function tools/nolibc: x86-64: Use `rep stosb` for `memset()` tools/nolibc: x86-64: Use `rep movsb` for `memcpy()` and `memmove()` selftests/nolibc: use -nostdinc for nolibc-test tools/nolibc: add stdarg.h header
2023-10-30Merge tag 'x86-core-2023-10-29-v2' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 core updates from Thomas Gleixner: - Limit the hardcoded topology quirk for Hygon CPUs to those which have a model ID less than 4. The newer models have the topology CPUID leaf 0xB correctly implemented and are not affected. - Make SMT control more robust against enumeration failures SMT control was added to allow controlling SMT at boottime or runtime. The primary purpose was to provide a simple mechanism to disable SMT in the light of speculation attack vectors. It turned out that the code is sensible to enumeration failures and worked only by chance for XEN/PV. XEN/PV has no real APIC enumeration which means the primary thread mask is not set up correctly. By chance a XEN/PV boot ends up with smp_num_siblings == 2, which makes the hotplug control stay at its default value "enabled". So the mask is never evaluated. The ongoing rework of the topology evaluation caused XEN/PV to end up with smp_num_siblings == 1, which sets the SMT control to "not supported" and the empty primary thread mask causes the hotplug core to deny the bringup of the APS. Make the decision logic more robust and take 'not supported' and 'not implemented' into account for the decision whether a CPU should be booted or not. - Fake primary thread mask for XEN/PV Pretend that all XEN/PV vCPUs are primary threads, which makes the usage of the primary thread mask valid on XEN/PV. That is consistent with because all of the topology information on XEN/PV is fake or even non-existent. - Encapsulate topology information in cpuinfo_x86 Move the randomly scattered topology data into a separate data structure for readability and as a preparatory step for the topology evaluation overhaul. - Consolidate APIC ID data type to u32 It's fixed width hardware data and not randomly u16, int, unsigned long or whatever developers decided to use. - Cure the abuse of cpuinfo for persisting logical IDs. Per CPU cpuinfo is used to persist the logical package and die IDs. That's really not the right place simply because cpuinfo is subject to be reinitialized when a CPU goes through an offline/online cycle. Use separate per CPU data for the persisting to enable the further topology management rework. It will be removed once the new topology management is in place. - Provide a debug interface for inspecting topology information Useful in general and extremly helpful for validating the topology management rework in terms of correctness or "bug" compatibility. * tag 'x86-core-2023-10-29-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (23 commits) x86/apic, x86/hyperv: Use u32 in hv_snp_boot_ap() too x86/cpu: Provide debug interface x86/cpu/topology: Cure the abuse of cpuinfo for persisting logical ids x86/apic: Use u32 for wakeup_secondary_cpu[_64]() x86/apic: Use u32 for [gs]et_apic_id() x86/apic: Use u32 for phys_pkg_id() x86/apic: Use u32 for cpu_present_to_apicid() x86/apic: Use u32 for check_apicid_used() x86/apic: Use u32 for APIC IDs in global data x86/apic: Use BAD_APICID consistently x86/cpu: Move cpu_l[l2]c_id into topology info x86/cpu: Move logical package and die IDs into topology info x86/cpu: Remove pointless evaluation of x86_coreid_bits x86/cpu: Move cu_id into topology info x86/cpu: Move cpu_core_id into topology info hwmon: (fam15h_power) Use topology_core_id() scsi: lpfc: Use topology_core_id() x86/cpu: Move cpu_die_id into topology info x86/cpu: Move phys_proc_id into topology info x86/cpu: Encapsulate topology information in cpuinfo_x86 ...
2023-10-30Merge tag 'x86-apic-2023-10-29-v2' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 APIC updates from Thomas Gleixner: - Make the quirk for non-maskable MSI interrupts in the affinity setter functional again. It was broken by a MSI core code update, which restructured the code in a way that the quirk flag was not longer set correctly. Trying to restore the core logic caused a deeper inspection and it turned out that the extra quirk flag is not required at all because it's the inverse of the reservation mode bit, which only can be set when the MSI interrupt is maskable. So the trivial fix is to use the reservation mode check in the affinity setter function and remove almost 40 lines of code related to the no-mask quirk flag. - Cure a Kconfig dependency issue which causes compile failures by correcting the conditionals in the affected header files. - Clean up coding style in the UV APIC driver. * tag 'x86-apic-2023-10-29-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/apic/msi: Fix misconfigured non-maskable MSI quirk x86/msi: Fix compile error caused by CONFIG_GENERIC_MSI_IRQ=y && !CONFIG_X86_LOCAL_APIC x86/platform/uv/apic: Clean up inconsistent indenting
2023-10-30Merge tag 'timers-core-2023-10-29-v2' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull timer updates from Thomas Gleixner: "Updates for time, timekeeping and timers: Core: - Avoid superfluous deactivation of the tick in the low resolution tick NOHZ interrupt handler as the deactivation is handled already in the idle loop and on interrupt exit. - Update stale comments in the tick NOHZ code and rename the tick handler functions to be self-explanatory. - Remove an unused function in the tick NOHZ code, which was forgotten when the last user went away. - Handle RTC alarms which exceed the maximum alarm time of the underlying RTC hardware gracefully. Setting RTC alarms which exceed the maximum alarm time of the RTC hardware failed so far and caused suspend operations to abort. Cure this by limiting the alarm to the maximum alarm time of the RTC hardware, which is provided by the driver. This causes early resume wakeups, but that's way better than not suspending at all. Drivers: - Add a proper clocksource/event driver for the ancient Cirrus Logic EP93xx SoC family, which is one of the last non device-tree holdouts in arch/arm. - The usual boring device tree bindings updates and small fixes and enhancements all over the place" * tag 'timers-core-2023-10-29-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: clocksource: ep93xx: Add driver for Cirrus Logic EP93xx dt-bindings: timers: Add Cirrus EP93xx clocksource/drivers/timer-atmel-tcb: Fix initialization on SAM9 hardware clocksource/timer-riscv: ACPI: Add timer_cannot_wakeup_cpu clocksource/drivers/sun5i: Remove surplus dev_err() when using platform_get_irq() drivers/clocksource/timer-ti-dm: Don't call clk_get_rate() in stop function clocksource/drivers/timer-imx-gpt: Fix potential memory leak dt-bindings: timer: renesas,rz-mtu3: Document RZ/{G2UL,Five} SoCs dt-bindings: timer: renesas,rz-mtu3: Improve documentation dt-bindings: timer: renesas,rz-mtu3: Fix overflow/underflow interrupt names alarmtimer: Use maximum alarm time for suspend rtc: Add API function to return alarm time bound by hardware limit tick/nohz: Update comments some more tick/nohz: Remove unused tick_nohz_idle_stop_tick_protected() tick/nohz: Don't shutdown the lowres tick from itself tick/nohz: Update obsolete comments tick/nohz: Rename the tick handlers to more self-explanatory names
2023-10-30Merge tag 'smp-core-2023-10-29-v2' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull SMP and CPU hotplug updates from Thomas Gleixner: - Switch the smp_call_function*() @csd argument to call_single_data_t type, which is a cache-line aligned typedef of the underlying struct __call_single_data. This ensures that the call data is not crossing a cacheline which avoids bouncing an extra cache-line for the SMP function call - Prevent offlining of the last housekeeping CPU when CPU isolation is active. Offlining the last housekeeping CPU makes no sense in general, but also caused the scheduler to panic due to the empty CPU mask when rebuilding the scheduler domains. - Remove an unused CPU hotplug state * tag 'smp-core-2023-10-29-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: cpu/hotplug: Don't offline the last non-isolated CPU cpu/hotplug: Remove unused cpuhp_state CPUHP_AP_X86_VDSO_VMA_ONLINE smp: Change function signatures to use call_single_data_t
2023-10-30Merge tag 'irq-core-2023-10-29-v2' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull irq updates from Thomas Gleixner: "Core: - Exclude managed interrupts in the calculation of interrupts which are targeted to a CPU which is about to be offlined to ensure that there are enough free vectors on the still online CPUs to migrate them over. Managed interrupts do not need to be accounted because they are either shut down on offline or migrated to an already reserved and guaranteed slot on a still online CPU in the interrupts affinity mask. Including managed interrupts is overaccounting and can result in needlessly aborting hibernation on large server machines. - The usual set of small improvements Drivers: - Make the generic interrupt chip implementation handle interrupt domains correctly and initialize the name pointers correctly - Add interrupt affinity setting support to the Renesas RZG2L chip driver. - Prevent registering syscore operations multiple times in the SiFive PLIC chip driver. - Update device tree handling in the NXP Layerscape MSI chip driver" * tag 'irq-core-2023-10-29-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: irqchip/sifive-plic: Fix syscore registration for multi-socket systems irqchip/ls-scfg-msi: Use device_get_match_data() genirq/generic_chip: Make irq_remove_generic_chip() irqdomain aware genirq/matrix: Exclude managed interrupts in irq_matrix_allocated() PCI/MSI: Provide stubs for IMS functions irqchip/renesas-rzg2l: Enhance driver to support interrupt affinity setting genirq/generic-chip: Fix the irq_chip name for /proc/interrupts irqdomain: Annotate struct irq_domain with __counted_by
2023-10-30Merge tag 'core-core-2023-10-29-v2' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull core updates from Thomas Gleixner: "Two small updates to ptrace_stop(): - Add a comment to explain that the preempt_disable() before unlocking tasklist lock is not a correctness problem and just avoids the tracer to preempt the tracee before the tracee schedules out. - Make that preempt_disable() conditional on PREEMPT_RT=n. RT enabled kernels cannot disable preemption at this point because cgroup_enter_frozen() and sched_submit_work() acquire spinlocks or rwlocks which are substituted by sleeping locks on RT. Acquiring a sleeping lock in a preemption disable region is obviously not possible. This obviously brings back the potential slowdown of ptrace() for RT enabled kernels, but that's a price to be paid for latency guarantees" * tag 'core-core-2023-10-29-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: signal: Don't disable preemption in ptrace_stop() on PREEMPT_RT signal: Add a proper comment about preempt_disable() in ptrace_stop()
2023-10-30ksmbd: no need to wait for binded connection termination at logoffNamjae Jeon
The connection could be binded to the existing session for Multichannel. session will be destroyed when binded connections are released. So no need to wait for that's connection at logoff. Signed-off-by: Namjae Jeon <linkinjeon@kernel.org> Signed-off-by: Steve French <stfrench@microsoft.com>
2023-10-31Merge tag 'amd-drm-next-6.7-2023-10-27' of ↵Dave Airlie
https://gitlab.freedesktop.org/agd5f/linux into drm-next amd-drm-next-6.7-2023-10-27: amdgpu: - RAS fixes - Seamless boot fixes - NBIO 7.7 fix - SMU 14.0 fixes - GC 11.5 fixes - DML2 fixes - ASPM fixes - VPE fixes - Misc code cleanups - SRIOV fixes - Add some missing copyright notices - DCN 3.5 fixes - FAMS fixes - Backlight fix - S/G display fix - fdinfo cleanups - EXT_COHERENT fixes for APU and NUMA systems amdkfd: - Misc fixes - Misc code cleanups - SVM fixes Signed-off-by: Dave Airlie <airlied@redhat.com> From: Alex Deucher <alexander.deucher@amd.com> Link: https://patchwork.freedesktop.org/patch/msgid/20231027200343.57132-1-alexander.deucher@amd.com
2023-10-30six locks: Lock contended tracepointsKent Overstreet
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2023-10-30Merge tag 'x86-build-2023-10-28' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 build update from Ingo Molnar: "Enable CONFIG_DEBUG_ENTRY=y in the x86 defconfigs" * tag 'x86-build-2023-10-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/defconfig: Enable CONFIG_DEBUG_ENTRY=y
2023-10-30closures: Fix race in closure_sync()Kent Overstreet
As pointed out by Linus, closure_sync() was racy; we could skip blocking immediately after a get() and a put(), but then that would skip any barrier corresponding to the other thread's put() barrier. To fix this, always do the full __closure_sync() sequence whenever any get() has happened and the closure might have been used by other threads. Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2023-10-30closures: Better memory barriersKent Overstreet
atomic_(dec|sub)_return_release() are a thing now - use them. Also, delete the useless barrier in set_closure_fn(): it's redundant with the memory barrier in closure_put(0. Since closure_put() would now otherwise just have a release barrier, we also need a new barrier when the ref hits 0 - smp_acquire__after_ctrl_dep(). Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2023-10-30Merge tag 'x86-mm-2023-10-28' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 mm handling updates from Ingo Molnar: - Add new NX-stack self-test - Improve NUMA partial-CFMWS handling - Fix #VC handler bugs resulting in SEV-SNP boot failures - Drop the 4MB memory size restriction on minimal NUMA nodes - Reorganize headers a bit, in preparation to header dependency reduction efforts - Misc cleanups & fixes * tag 'x86-mm-2023-10-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/mm: Drop the 4 MB restriction on minimal NUMA node memory size selftests/x86/lam: Zero out buffer for readlink() x86/sev: Drop unneeded #include x86/sev: Move sev_setup_arch() to mem_encrypt.c x86/tdx: Replace deprecated strncpy() with strtomem_pad() selftests/x86/mm: Add new test that userspace stack is in fact NX x86/sev: Make boot_ghcb_page[] static x86/boot: Move x86_cache_alignment initialization to correct spot x86/sev-es: Set x86_virt_bits to the correct value straight away, instead of a two-phase approach x86/sev-es: Allow copy_from_kernel_nofault() in earlier boot x86_64: Show CR4.PSE on auxiliaries like on BSP x86/iommu/docs: Update AMD IOMMU specification document URL x86/sev/docs: Update document URL in amd-memory-encryption.rst x86/mm: Move arch_memory_failure() and arch_is_platform_page() definitions from <asm/processor.h> to <asm/pgtable.h> ACPI/NUMA: Apply SRAT proximity domain to entire CFMWS window x86/numa: Introduce numa_fill_memblks()
2023-10-30Merge tag 'x86-irq-2023-10-28' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 irq fix from Ingo Molnar: "Fix out-of-order NMI nesting checks resulting in false positive warnings" * tag 'x86-irq-2023-10-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/nmi: Fix out-of-order NMI nesting checks & false positive warning
2023-10-30Merge tag 'x86-entry-2023-10-28' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 entry updates from Ingo Molnar: - Make IA32_EMULATION boot time configurable with the new ia32_emulation=<bool> boot option - Clean up fast syscall return validation code: convert it to C and refactor the code - As part of this, optimize the canonical RIP test code * tag 'x86-entry-2023-10-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/entry/32: Clean up syscall fast exit tests x86/entry/64: Use TASK_SIZE_MAX for canonical RIP test x86/entry/64: Convert SYSRET validation tests to C x86/entry/32: Remove SEP test for SYSEXIT x86/entry/32: Convert do_fast_syscall_32() to bool return type x86/entry/compat: Combine return value test from syscall handler x86/entry/64: Remove obsolete comment on tracing vs. SYSRET x86: Make IA32_EMULATION boot time configurable x86/entry: Make IA32 syscalls' availability depend on ia32_enabled() x86/elf: Make loading of 32bit processes depend on ia32_enabled() x86/entry: Compile entry_SYSCALL32_ignore() unconditionally x86/entry: Rename ignore_sysret() x86: Introduce ia32_enabled()
2023-10-31exfat: support create zero-size directoryYuezhang Mo
This commit adds mount option 'zero_size_dir'. If this option enabled, don't allocate a cluster to directory when creating it, and set the directory size to 0. On Windows, a cluster is allocated for a directory when it is created, so the mount option is disabled by default. Signed-off-by: Yuezhang Mo <Yuezhang.Mo@sony.com> Reviewed-by: Andy Wu <Andy.Wu@sony.com> Reviewed-by: Aoyama Wataru <wataru.aoyama@sony.com> Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
2023-10-31exfat: support handle zero-size directoryYuezhang Mo
After repairing a corrupted file system with exfatprogs' fsck.exfat, zero-size directories may result. It is also possible to create zero-size directories in other exFAT implementation, such as Paragon ufsd dirver. As described in the specification, the lower directory size limits is 0 bytes. Without this commit, sub-directories and files cannot be created under a zero-size directory, and it cannot be removed. Signed-off-by: Yuezhang Mo <Yuezhang.Mo@sony.com> Reviewed-by: Andy Wu <Andy.Wu@sony.com> Reviewed-by: Aoyama Wataru <wataru.aoyama@sony.com> Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
2023-10-31exfat: add ioctls for accessing attributesJan Cincera
Add GET and SET attributes ioctls to enable attribute modification. We already do this in FAT and a few userspace utils made for it would benefit from this also working on exFAT, namely fatattr. Signed-off-by: Jan Cincera <hcincera@gmail.com> Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
2023-10-31Merge tag 'drm-misc-next-2023-10-27' of ↵Dave Airlie
git://anongit.freedesktop.org/drm/drm-misc into drm-next drm-misc-next for v6.7-rc1: drm-misc-next-2023-10-19 + following: UAPI Changes: Cross-subsystem Changes: - Convert fbdev drivers to use fbdev i/o mem helpers. Core Changes: - Use cross-references for macros in docs. - Make drm_client_buffer_addb use addfb2. - Add NV20 and NV30 YUV formats. - Documentation updates for create_dumb ioctl. - CI fixes. - Allow variable number of run-queues in scheduler. Driver Changes: - Rename drm/ast constants. - Make ili9882t its own driver. - Assorted fixes in ivpu, vc4, bridge/synopsis, amdgpu. - Add planar formats to rockchip. Signed-off-by: Dave Airlie <airlied@redhat.com> From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/3d92fae8-9b1b-4165-9ca8-5fda11ee146b@linux.intel.com
2023-10-30Merge tag 'x86-asm-2023-10-28' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 assembly code updates from Ingo Molnar: - Micro-optimize the x86 bitops code - Define target-specific {raw,this}_cpu_try_cmpxchg{64,128}() to improve code generation - Define and use raw_cpu_try_cmpxchg() preempt_count_set() - Do not clobber %rsi in percpu_{try_,}cmpxchg{64,128}_op - Remove the unused __sw_hweight64() implementation on x86-32 - Misc fixes and cleanups * tag 'x86-asm-2023-10-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/lib: Address kernel-doc warnings x86/entry: Fix typos in comments x86/entry: Remove unused argument %rsi passed to exc_nmi() x86/bitops: Remove unused __sw_hweight64() assembly implementation on x86-32 x86/percpu: Do not clobber %rsi in percpu_{try_,}cmpxchg{64,128}_op x86/percpu: Use raw_cpu_try_cmpxchg() in preempt_count_set() x86/percpu: Define raw_cpu_try_cmpxchg and this_cpu_try_cmpxchg() x86/percpu: Define {raw,this}_cpu_try_cmpxchg{64,128} x86/asm/bitops: Use __builtin_clz{l|ll} to evaluate constant expressions
2023-10-30Merge tag 'x86-boot-2023-10-28' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 boot updates from Ingo Molnar: - Rework PE header generation, primarily to generate a modern, 4k aligned kernel image view with narrower W^X permissions. - Further refine init-lifetime annotations - Misc cleanups & fixes * tag 'x86-boot-2023-10-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (23 commits) x86/boot: efistub: Assign global boot_params variable x86/boot: Rename conflicting 'boot_params' pointer to 'boot_params_ptr' x86/head/64: Move the __head definition to <asm/init.h> x86/head/64: Add missing __head annotation to startup_64_load_idt() x86/head/64: Mark 'startup_gdt[]' and 'startup_gdt_descr' as __initdata x86/boot: Harmonize the style of array-type parameter for fixup_pointer() calls x86/boot: Fix incorrect startup_gdt_descr.size x86/boot: Compile boot code with -std=gnu11 too x86/boot: Increase section and file alignment to 4k/512 x86/boot: Split off PE/COFF .data section x86/boot: Drop PE/COFF .reloc section x86/boot: Construct PE/COFF .text section from assembler x86/boot: Derive file size from _edata symbol x86/boot: Define setup size in linker script x86/boot: Set EFI handover offset directly in header asm x86/boot: Grab kernel_info offset from zoffset header directly x86/boot: Drop references to startup_64 x86/boot: Drop redundant code setting the root device x86/boot: Omit compression buffer from PE/COFF image memory footprint x86/boot: Remove the 'bugger off' message ...
2023-10-30Merge tag 'x86-headers-2023-10-28' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 header file cleanup from Ingo Molnar: "Replace <asm/export.h> uses with <linux/export.h> and then remove <asm/export.h>" * tag 'x86-headers-2023-10-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/headers: Remove <asm/export.h> x86/headers: Replace #include <asm/export.h> with #include <linux/export.h> x86/headers: Remove unnecessary #include <asm/export.h>
2023-10-30Merge tag 'perf-core-2023-10-28' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull performance event updates from Ingo Molnar: - Add AMD Unified Memory Controller (UMC) events introduced with Zen 4 - Simplify & clean up the uncore management code - Fall back from RDPMC to RDMSR on certain uncore PMUs - Improve per-package and cstate event reading - Extend the Intel ref-cycles event to GP counters - Fix Intel MTL event constraints - Improve the Intel hybrid CPU handling code - Micro-optimize the RAPL code - Optimize perf_cgroup_switch() - Improve large AUX area error handling - Misc fixes and cleanups * tag 'perf-core-2023-10-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (26 commits) perf/x86/amd/uncore: Pass through error code for initialization failures, instead of -ENODEV perf/x86/amd/uncore: Fix uninitialized return value in amd_uncore_init() x86/cpu: Fix the AMD Fam 17h, Fam 19h, Zen2 and Zen4 MSR enumerations perf: Optimize perf_cgroup_switch() perf/x86/amd/uncore: Add memory controller support perf/x86/amd/uncore: Add group exclusivity perf/x86/amd/uncore: Use rdmsr if rdpmc is unavailable perf/x86/amd/uncore: Move discovery and registration perf/x86/amd/uncore: Refactor uncore management perf/core: Allow reading package events from perf_event_read_local perf/x86/cstate: Allow reading the package statistics from local CPU perf/x86/intel/pt: Fix kernel-doc comments perf/x86/rapl: Annotate 'struct rapl_pmus' with __counted_by perf/core: Rename perf_proc_update_handler() -> perf_event_max_sample_rate_handler(), for readability perf/x86/rapl: Fix "Using plain integer as NULL pointer" Sparse warning perf/x86/rapl: Use local64_try_cmpxchg in rapl_event_update() perf/x86/rapl: Stop doing cpu_relax() in the local64_cmpxchg() loop in rapl_event_update() perf/core: Bail out early if the request AUX area is out of bound perf/x86/intel: Extend the ref-cycles event to GP counters perf/x86/intel: Fix broken fixed event constraints extension ...
2023-10-30Merge tag 'objtool-core-2023-10-28' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull objtool updates from Ingo Molnar: "Misc fixes and cleanups: - Fix potential MAX_NAME_LEN limit related build failures - Fix scripts/faddr2line symbol filtering bug - Fix scripts/faddr2line on LLVM=1 - Fix scripts/faddr2line to accept readelf output with mapping symbols - Minor cleanups" * tag 'objtool-core-2023-10-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: scripts/faddr2line: Skip over mapping symbols in output from readelf scripts/faddr2line: Use LLVM addr2line and readelf if LLVM=1 scripts/faddr2line: Don't filter out non-function symbols from readelf objtool: Remove max symbol name length limitation objtool: Propagate early errors objtool: Use 'the fallthrough' pseudo-keyword x86/speculation, objtool: Use absolute relocations for annotations x86/unwind/orc: Remove redundant initialization of 'mid' pointer in __orc_find()
2023-10-30Merge tag 'sched-core-2023-10-28' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull scheduler updates from Ingo Molnar: "Fair scheduler (SCHED_OTHER) improvements: - Remove the old and now unused SIS_PROP code & option - Scan cluster before LLC in the wake-up path - Use candidate prev/recent_used CPU if scanning failed for cluster wakeup NUMA scheduling improvements: - Improve the VMA access-PID code to better skip/scan VMAs - Extend tracing to cover VMA-skipping decisions - Improve/fix the recently introduced sched_numa_find_nth_cpu() code - Generalize numa_map_to_online_node() Energy scheduling improvements: - Remove the EM_MAX_COMPLEXITY limit - Add tracepoints to track energy computation - Make the behavior of the 'sched_energy_aware' sysctl more consistent - Consolidate and clean up access to a CPU's max compute capacity - Fix uclamp code corner cases RT scheduling improvements: - Drive dl_rq->overloaded with dl_rq->pushable_dl_tasks updates - Drive the ->rto_mask with rt_rq->pushable_tasks updates Scheduler scalability improvements: - Rate-limit updates to tg->load_avg - On x86 disable IBRS when CPU is offline to improve single-threaded performance - Micro-optimize in_task() and in_interrupt() - Micro-optimize the PSI code - Avoid updating PSI triggers and ->rtpoll_total when there are no state changes Core scheduler infrastructure improvements: - Use saved_state to reduce some spurious freezer wakeups - Bring in a handful of fast-headers improvements to scheduler headers - Make the scheduler UAPI headers more widely usable by user-space - Simplify the control flow of scheduler syscalls by using lock guards - Fix sched_setaffinity() vs. CPU hotplug race Scheduler debuggability improvements: - Disallow writing invalid values to sched_rt_period_us - Fix a race in the rq-clock debugging code triggering warnings - Fix a warning in the bandwidth distribution code - Micro-optimize in_atomic_preempt_off() checks - Enforce that the tasklist_lock is held in for_each_thread() - Print the TGID in sched_show_task() - Remove the /proc/sys/kernel/sched_child_runs_first sysctl ... and misc cleanups & fixes" * tag 'sched-core-2023-10-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (82 commits) sched/fair: Remove SIS_PROP sched/fair: Use candidate prev/recent_used CPU if scanning failed for cluster wakeup sched/fair: Scan cluster before scanning LLC in wake-up path sched: Add cpus_share_resources API sched/core: Fix RQCF_ACT_SKIP leak sched/fair: Remove unused 'curr' argument from pick_next_entity() sched/nohz: Update comments about NEWILB_KICK sched/fair: Remove duplicate #include sched/psi: Update poll => rtpoll in relevant comments sched: Make PELT acronym definition searchable sched: Fix stop_one_cpu_nowait() vs hotplug sched/psi: Bail out early from irq time accounting sched/topology: Rename 'DIE' domain to 'PKG' sched/psi: Delete the 'update_total' function parameter from update_triggers() sched/psi: Avoid updating PSI triggers and ->rtpoll_total when there are no state changes sched/headers: Remove comment referring to rq::cpu_load, since this has been removed sched/numa: Complete scanning of inactive VMAs when there is no alternative sched/numa: Complete scanning of partial VMAs regardless of PID activity sched/numa: Move up the access pid reset logic sched/numa: Trace decisions related to skipping VMAs ...
generated by cgit (git 2.34.1) at 2025-09-14 15:32:21 +0000