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Re: [Xen-devel] [Minios-devel] [PATCH RFC 01/16] Save/Restore Support: Refactor HYPERVISOR_suspend hypercall



Bruno Alvisio, on mar. 19 déc. 2017 15:41:56 -0800, wrote:
> Directly using the SHUTDOWN_suspend macro as a parameter for the schedop
> hypercall causes an error in the Xen hypercall handler. Also for consistency,
> the SHUTDOWN_suspend param is wrapped in the sched_shutdown struct.
> 
> Signed-off-by: Bruno Alvisio <bruno.alvisio@xxxxxxxxx>

Reviewed-by: Samuel Thibault <samuel.thibault@xxxxxxxxxxxx>

> ---
>  include/x86/x86_32/hypercall-x86_32.h | 4 ++--
>  include/x86/x86_64/hypercall-x86_64.h | 4 ++--
>  2 files changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/include/x86/x86_32/hypercall-x86_32.h 
> b/include/x86/x86_32/hypercall-x86_32.h
> index 5c93464..70505a4 100644
> --- a/include/x86/x86_32/hypercall-x86_32.h
> +++ b/include/x86/x86_32/hypercall-x86_32.h
> @@ -298,8 +298,8 @@ static inline int
>  HYPERVISOR_suspend(
>       unsigned long srec)
>  {
> -     return _hypercall3(int, sched_op, SCHEDOP_shutdown,
> -                        SHUTDOWN_suspend, srec);
> +     struct sched_shutdown shutdown = { .reason = SHUTDOWN_suspend };
> +     return _hypercall3(int, sched_op, SCHEDOP_shutdown, &shutdown, srec);
>  }
>  
>  static inline int
> diff --git a/include/x86/x86_64/hypercall-x86_64.h 
> b/include/x86/x86_64/hypercall-x86_64.h
> index 6171812..95f8ade 100644
> --- a/include/x86/x86_64/hypercall-x86_64.h
> +++ b/include/x86/x86_64/hypercall-x86_64.h
> @@ -305,8 +305,8 @@ static inline int
>  HYPERVISOR_suspend(
>       unsigned long srec)
>  {
> -     return _hypercall3(int, sched_op, SCHEDOP_shutdown,
> -                        SHUTDOWN_suspend, srec);
> +     struct sched_shutdown shutdown = { .reason = SHUTDOWN_suspend };
> +     return _hypercall3(int, sched_op, SCHEDOP_shutdown, &shutdown, srec);
>  }
>  
>  static inline int
> -- 
> 2.3.2 (Apple Git-55)
> 
> 
> _______________________________________________
> Minios-devel mailing list
> Minios-devel@xxxxxxxxxxxxxxxxxxxx
> https://lists.xenproject.org/mailman/listinfo/minios-devel

-- 
Samuel
<T> csp.tar.gz:     ascii text
 -+- #ens-mim - vive les browsers qui prennent des initiatives à la con -+-

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