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authorWei Liu <wei.liu@kernel.org>2021-02-03 15:04:23 +0000
committerWei Liu <wei.liu@kernel.org>2021-02-11 08:47:06 +0000
commit7d4163c8315729140ad99d6e1ab10dfc7a685640 (patch)
tree0db79b4f046135be6937b03ed0aef8d66ed25119 /arch/x86/hyperv
parent7e279d78664aa91107ebff4b03eca367967f5908 (diff)
downloadlinux-7d4163c8315729140ad99d6e1ab10dfc7a685640.tar.bz2
clocksource/hyperv: use MSR-based access if running as root
When Linux runs as the root partition, the setup required for TSC page is different. Luckily Linux also has access to the MSR based clocksource. We can just disable the TSC page clocksource if Linux is the root partition. Signed-off-by: Wei Liu <wei.liu@kernel.org> Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org> Reviewed-by: Pavel Tatashin <pasha.tatashin@soleen.com> Reviewed-by: Michael Kelley <mikelley@microsoft.com> Link: https://lore.kernel.org/r/20210203150435.27941-5-wei.liu@kernel.org
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