Re: [Xen-devel] [PATCH] minios: Correct HYPERVISOR_physdev_op()

[Samuel Thibault <samuel.thibault@xxxxxxxxxxxx>]

Andrew Cooper, le Fri 24 Jan 2014 18:28:11 +0000, a écrit :
> A physdev_op is a two argument hypercall, taking a command paramter and an
> optional pointer to a structure.

Mmm, this this a remnant of the old hypercall which was taking one
parameter only, indeed.

> Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
> CC: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>
> CC: Samuel Thibault <samuel.thibault@xxxxxxxxxxxx>

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

> ---
>  extras/mini-os/include/x86/x86_32/hypercall-x86_32.h |    4 ++--
>  extras/mini-os/include/x86/x86_64/hypercall-x86_64.h |    4 ++--
>  2 files changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/extras/mini-os/include/x86/x86_32/hypercall-x86_32.h 
> b/extras/mini-os/include/x86/x86_32/hypercall-x86_32.h
> index ef52ecd..dcfbe41 100644
> --- a/extras/mini-os/include/x86/x86_32/hypercall-x86_32.h
> +++ b/extras/mini-os/include/x86/x86_32/hypercall-x86_32.h
> @@ -255,9 +255,9 @@ HYPERVISOR_console_io(
>  
>  static inline int
>  HYPERVISOR_physdev_op(
> -     void *physdev_op)
> +     int cmd, void *physdev_op)
>  {
> -     return _hypercall1(int, physdev_op, physdev_op);
> +     return _hypercall2(int, physdev_op, cmd, physdev_op);
>  }
>  
>  static inline int
> diff --git a/extras/mini-os/include/x86/x86_64/hypercall-x86_64.h 
> b/extras/mini-os/include/x86/x86_64/hypercall-x86_64.h
> index 513d74e..7083763 100644
> --- a/extras/mini-os/include/x86/x86_64/hypercall-x86_64.h
> +++ b/extras/mini-os/include/x86/x86_64/hypercall-x86_64.h
> @@ -256,9 +256,9 @@ HYPERVISOR_console_io(
>  
>  static inline int
>  HYPERVISOR_physdev_op(
> -     void *physdev_op)
> +     int cmd, void *physdev_op)
>  {
> -     return _hypercall1(int, physdev_op, physdev_op);
> +     return _hypercall2(int, physdev_op, cmd, physdev_op);
>  }
>  
>  static inline int
> -- 
> 1.7.10.4
> 

-- 
Samuel
#include <culture.h>

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