Re: [Xen-devel] [PATCH] arm: fix build after c/s 25477:e12e0b038219

[Ian Campbell <Ian.Campbell@xxxxxxxxxx>]

On Mon, 2012-06-25 at 11:54 +0100, Jan Beulich wrote:
> Only x86 currently has a struct vcpu field arch.gdbsx_vcpu_event. But
> as the whole function domain_pause_for_debugger() is pointless to be
> compiled when there's no arch support, simply introduce another HAS_*
> macro, enabled only on x86.
> 
> Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>

Acked-by: Ian Campbell <ian.campbell@xxxxxxxxxx>

> 
> --- a/xen/Rules.mk
> +++ b/xen/Rules.mk
> @@ -51,6 +51,7 @@ CFLAGS-$(perfc)         += -DPERF_COUNTE
>  CFLAGS-$(perfc_arrays)  += -DPERF_ARRAYS
>  CFLAGS-$(lock_profile)  += -DLOCK_PROFILE
>  CFLAGS-$(HAS_ACPI)      += -DHAS_ACPI
> +CFLAGS-$(HAS_GDBSX)     += -DHAS_GDBSX
>  CFLAGS-$(HAS_PASSTHROUGH) += -DHAS_PASSTHROUGH
>  CFLAGS-$(frame_pointer) += -fno-omit-frame-pointer -DCONFIG_FRAME_POINTER
>  
> --- a/xen/arch/x86/Rules.mk
> +++ b/xen/arch/x86/Rules.mk
> @@ -9,6 +9,7 @@ HAS_PASSTHROUGH := y
>  HAS_NS16550 := y
>  HAS_EHCI := y
>  HAS_KEXEC := y
> +HAS_GDBSX := y
>  xenoprof := y
>  
>  #
> --- a/xen/common/domain.c
> +++ b/xen/common/domain.c
> @@ -612,6 +612,7 @@ void vcpu_end_shutdown_deferral(struct v
>          vcpu_check_shutdown(v);
>  }
>  
> +#ifdef HAS_GDBSX
>  void domain_pause_for_debugger(void)
>  {
>      struct domain *d = current->domain;
> @@ -628,6 +629,7 @@ void domain_pause_for_debugger(void)
>      if (current->arch.gdbsx_vcpu_event == 0)
>          send_global_virq(VIRQ_DEBUGGER);
>  }
> +#endif
>  
>  /* Complete domain destroy after RCU readers are not holding old references. 
> */
>  static void complete_domain_destroy(struct rcu_head *head)
> 
> 
> 



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