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Re: [Minios-devel] [UNIKRAFT PATCH] include/xen-x86/hypercall: Fix HYPERVISOR_suspend hypercall

To: Radu Nicolau <radunicolau102@xxxxxxxxx>, <g@xxxxxxxxxxxxxxxxxxxxx>
From: Wei Liu <wei.liu2@xxxxxxxxxx>
Date: Fri, 7 Sep 2018 09:05:47 +0100
Cc: florian.schmidt@xxxxxxxxx, simon.kuenzer@xxxxxxxxx, minios-devel@xxxxxxxxxxxxx, Wei Liu <wei.liu2@xxxxxxxxxx>
Delivery-date: Fri, 07 Sep 2018 08:05:56 +0000
List-id: Mini-os development list <minios-devel.lists.xenproject.org>

On Thu, Sep 06, 2018 at 08:28:29PM +0300, Radu Nicolau wrote:
> Making the hypercall by directly using the macro SHUTDOWN_suspend
> causes an EFAULT error. The suspend reason needs to be sent as an
> address where the reason value needs to be set.
> 
> Signed-off-by: Radu Nicolau <radunicolau102@xxxxxxxxx>

Reviewed-by: Wei Liu <wei.liu2@xxxxxxxxxx>

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References:
- [Minios-devel] [UNIKRAFT PATCH] include/xen-x86/hypercall: Fix HYPERVISOR_suspend hypercall
  - From: Radu Nicolau

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