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tsc: Change default tsc calibration method to pmtimer on EFI systems#3

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hasso wants to merge 1 commit intoflatcar-hub:flatcar-masterfrom
hasso:tsc-calibrate-fix
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tsc: Change default tsc calibration method to pmtimer on EFI systems#3
hasso wants to merge 1 commit intoflatcar-hub:flatcar-masterfrom
hasso:tsc-calibrate-fix

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@hasso
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@hasso hasso commented Sep 19, 2022

Current grub in Flatcar hangs on Fujitsu PRIMERGY RX1330 M5 servers. This cherry-pick fixes it.

On efi systems, make pmtimer based tsc calibration the default over the
pit. This prevents Grub from hanging on Intel SoC systems that power
gate the pit.

Signed-off-by: David E. Box <david.e.box@linux.intel.com>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>

Cherry-picked commit 446794d
@jepio
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jepio commented Sep 20, 2022

@sayanchowdhury does this make more sense merged here or added as a patch to the ebuild?

@jepio jepio self-assigned this Sep 20, 2022
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