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/linux-6.8/Documentation/devicetree/bindings/misc/
Dqemu,vcpu-stall-detector.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/misc/qemu,vcpu-stall-detector.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: VCPU stall detector
10 This binding describes a CPU stall detector mechanism for virtual CPUs
14 - Sebastian Ene <sebastianene@google.com>
19 - qemu,vcpu-stall-detector
24 clock-frequency:
27 The internal clock of the stall detector peripheral measure in Hz used
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/linux-6.8/drivers/misc/
Dvcpu_stall_detector.c1 // SPDX-License-Identifier: GPL-2.0-only
3 // VCPU stall detector.
46 /* The vcpu stall configuration structure which applies to all the CPUs */
49 #define vcpu_stall_reg_write(vcpu, reg, value) \ argument
52 (vcpu) * VCPU_STALL_REG_LEN + (reg)))
62 /* Reload the stall detector counter register every in vcpu_stall_detect_timer_fn()
85 struct hrtimer *vcpu_hrtimer = &vcpu_stall_detector->vcpu_hrtimer; in start_stall_detector_cpu()
90 /* Compute the number of ticks required for the stall detector in start_stall_detector_cpu()
98 /* Enable the internal clock and start the stall detector */ in start_stall_detector_cpu()
101 /* Pet the stall detector at half of its expiration timeout in start_stall_detector_cpu()
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DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
27 See Documentation/misc-devices/ad525x_dpot.rst for the
40 module will be called ad525x_dpot-i2c.
51 module will be called ad525x_dpot-spi.
65 This option enables device driver support for in-band access to the
78 website <https://www-03.ibm.com/systems/info/x86servers/serverproven/compat/us/>
189 called smpro-errmon.
199 called smpro-misc.
202 tristate "CS5535/CS5536 Geode Multi-Function General Purpose Timer (MFGPT) support"
209 than the generic PIT, and are suitable for use as high-res timers.
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/linux-6.8/Documentation/admin-guide/
Dkernel-parameters.txt16 force -- enable ACPI if default was off
17 on -- enable ACPI but allow fallback to DT [arm64,riscv64]
18 off -- disable ACPI if default was on
19 noirq -- do not use ACPI for IRQ routing
20 strict -- Be less tolerant of platforms that are not
22 rsdt -- prefer RSDT over (default) XSDT
23 copy_dsdt -- copy DSDT to memory
37 If set to vendor, prefer vendor-specific driver
69 Documentation/firmware-guide/acpi/debug.rst for more information about
127 Format: <byte> or <bitmap-list>
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