RE: [PATCH v6][RESEND] x86/hyperv: Suspend/resume the hypercall page for hibernation

From: Dexuan Cui
Date: Fri Jan 24 2020 - 20:44:49 EST


> From: Dexuan Cui <decui@xxxxxxxxxxxxx>
> Sent: Monday, January 6, 2020 2:43 PM
>
> This is needed for hibernation, e.g. when we resume the old kernel, we need
> to disable the "current" kernel's hypercall page and then resume the old
> kernel's.
>
> Signed-off-by: Dexuan Cui <decui@xxxxxxxxxxxxx>
> Reviewed-by: Michael Kelley <mikelley@xxxxxxxxxxxxx>
> ---
>
> This is a RESEND of https://lkml.org/lkml/2019/11/20/68
>
> Please review.
>
> If it looks good, can you please pick it up through the tip.git tree?
>
> arch/x86/hyperv/hv_init.c | 48
> +++++++++++++++++++++++++++++++++++++++
> 1 file changed, 48 insertions(+)

Hi, Vitaly and x86 maintainers,
Can you please take a look at this patch?

Thanks,
-- Dexuan