Re: [Xen-devel] [PATCH ARM v5 12/20] mini-os: added arch_unbind_ports

[Samuel Thibault <samuel.thibault@xxxxxxxxxxxx>]

Thomas Leonard, le Thu 26 Jun 2014 12:28:29 +0100, a écrit :
> This allows closing any ports opened by the arch-specific code.
> ARM will use it for the debug port.
> 
> Signed-off-by: Thomas Leonard <talex5@xxxxxxxxx>

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

> ---
>  extras/mini-os/arch/x86/events.c | 4 ++++
>  extras/mini-os/events.c          | 1 +
>  extras/mini-os/include/events.h  | 4 ++++
>  3 files changed, 9 insertions(+)
> 
> diff --git a/extras/mini-os/arch/x86/events.c 
> b/extras/mini-os/arch/x86/events.c
> index e420a98..5198cf3 100644
> --- a/extras/mini-os/arch/x86/events.c
> +++ b/extras/mini-os/arch/x86/events.c
> @@ -23,6 +23,10 @@ void arch_init_events(void)
>  #endif
>  }
>  
> +void arch_unbind_ports(void)
> +{
> +}
> +
>  void arch_fini_events(void)
>  {
>  #if defined(__x86_64__)
> diff --git a/extras/mini-os/events.c b/extras/mini-os/events.c
> index d07dbfb..2a23042 100644
> --- a/extras/mini-os/events.c
> +++ b/extras/mini-os/events.c
> @@ -179,6 +179,7 @@ void init_events(void)
>  void fini_events(void)
>  {
>      /* Dealloc all events */
> +    arch_unbind_ports();
>      unbind_all_ports();
>      arch_fini_events();
>  }
> diff --git a/extras/mini-os/include/events.h b/extras/mini-os/include/events.h
> index 0452d21..89b5997 100644
> --- a/extras/mini-os/include/events.h
> +++ b/extras/mini-os/include/events.h
> @@ -26,6 +26,10 @@ typedef void (*evtchn_handler_t)(evtchn_port_t, struct 
> pt_regs *, void *);
>  
>  /* prototypes */
>  void arch_init_events(void);
> +
> +/* Called by fini_events to close any ports opened by arch-specific code. */
> +void arch_unbind_ports(void);
> +
>  void arch_fini_events(void);
>  
>  int do_event(evtchn_port_t port, struct pt_regs *regs);
> -- 
> 2.0.0
> 

-- 
Samuel
 > Quelqu'un aurait-il une solution pour réinitialiser un MBR
 Si tu veux qu'il soit complètement blanc (pas souhaitable, à mon avis) :
 dd if=/dev/zero of=/dev/hda bs=512 count=1 (sous Linux)
 -+- OT in Guide du linuxien (très) pervers - "Pour les K difficiles" -+-

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