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由 Rafael J. Wysocki 提交于
Commit 73f7d1ca (ACPI / init: Run acpi_early_init() before timekeeping_init()) optimistically moved the early ACPI initialization before timekeeping_init(), but that didn't work, because it broke fast TSC calibration for Julian Wollrath on Thinkpad x121e (and most likely for others too). The reason is that acpi_early_init() enables the SCI and that interferes with the fast TSC calibration mechanism. Thus follow the original idea to execute acpi_early_init() before efi_enter_virtual_mode() to help the EFI people for now and we can revisit the other problem that commit 73f7d1ca attempted to address in the future (if really necessary). Fixes: 73f7d1ca (ACPI / init: Run acpi_early_init() before timekeeping_init()) Reported-by: NJulian Wollrath <jwollrath@web.de> Reviewed-by: NThomas Gleixner <tglx@linutronix.de> Signed-off-by: NRafael J. Wysocki <rafael.j.wysocki@intel.com>
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