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This disables testing the ACPI timer by default, forcing the use of ACPI-fast rather than ACPI-safe. The broken-ACPI-timers workaround can be re-enabled by setting the hw.acpi.timer_test_enabled=1 tunable. This speeds up the FreeBSD boot process by 140 ms on an EC2 c5.xlarge instance. This change will not be MFCed. Assuming no problems are reported, acpi_timer_test, the associated tunable, and the ACPI-safe timecounter should be removed in FreeBSD 15. Relnotes: The ACPI-safe timer is disabled in favour of ACPI-fast; if timekeeping issues are observed, please test with hw.acpi.timer_test_enabled=1 in loader.conf and report if that fixes the problem. |
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|---|---|---|
| .. | ||
| Osd | ||
| acpi.c | ||
| acpi_acad.c | ||
| acpi_apei.c | ||
| acpi_battery.c | ||
| acpi_bus_if.m | ||
| acpi_button.c | ||
| acpi_cmbat.c | ||
| acpi_container.c | ||
| acpi_cpu.c | ||
| acpi_dock.c | ||
| acpi_ec.c | ||
| acpi_hpet.c | ||
| acpi_hpet.h | ||
| acpi_if.m | ||
| acpi_isab.c | ||
| acpi_lid.c | ||
| acpi_package.c | ||
| acpi_pci.c | ||
| acpi_pci_link.c | ||
| acpi_pcib.c | ||
| acpi_pcib_acpi.c | ||
| acpi_pcib_pci.c | ||
| acpi_pcibvar.h | ||
| acpi_pcivar.h | ||
| acpi_perf.c | ||
| acpi_powerres.c | ||
| acpi_pxm.c | ||
| acpi_quirk.c | ||
| acpi_quirks | ||
| acpi_resource.c | ||
| acpi_smbat.c | ||
| acpi_smbus.h | ||
| acpi_thermal.c | ||
| acpi_throttle.c | ||
| acpi_timer.c | ||
| acpi_video.c | ||
| acpiio.h | ||
| acpivar.h | ||