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SubjectRe: [PATCH v2 05/17] clocksource/hyperv: use MSR-based access if running as root
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On 05/11/2020 17:58, Wei Liu wrote:
> Signed-off-by: Wei Liu <wei.liu@kernel.org>
> ---

I would like to apply this patch but the changelog is too short (one line).

Please add a small paragraph (no need to resend just answer here, I will
amend the log myself.

> drivers/clocksource/hyperv_timer.c | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/drivers/clocksource/hyperv_timer.c b/drivers/clocksource/hyperv_timer.c
> index ba04cb381cd3..269a691bd2c4 100644
> --- a/drivers/clocksource/hyperv_timer.c
> +++ b/drivers/clocksource/hyperv_timer.c
> @@ -426,6 +426,9 @@ static bool __init hv_init_tsc_clocksource(void)
> if (!(ms_hyperv.features & HV_MSR_REFERENCE_TSC_AVAILABLE))
> return false;
>
> + if (hv_root_partition)
> + return false;
> +
> hv_read_reference_counter = read_hv_clock_tsc;
> phys_addr = virt_to_phys(hv_get_tsc_page());
>
>


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