Re: [Xen-devel] [PATCH 09/38] arm: print domid as part of debug trap

[Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>]

On Fri, 1 Jun 2012, Ian Campbell wrote:
> Signed-off-by: Ian Campbell <ian.campbell@xxxxxxxxxx>


Acked-by: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>


>  xen/arch/arm/traps.c |   11 ++++++-----
>  1 files changed, 6 insertions(+), 5 deletions(-)
> 
> diff --git a/xen/arch/arm/traps.c b/xen/arch/arm/traps.c
> index 5d8b7f9..40bb375 100644
> --- a/xen/arch/arm/traps.c
> +++ b/xen/arch/arm/traps.c
> @@ -388,25 +388,26 @@ static arm_hypercall_t *arm_hypercall_table[] = {
>  static void do_debug_trap(struct cpu_user_regs *regs, unsigned int code)
>  {
>      uint32_t reg, *r;
> -
> +    uint32_t domid = current->domain->domain_id;
>      switch ( code ) {
>      case 0xe0 ... 0xef:
>          reg = code - 0xe0;
>          r = &regs->r0 + reg;
> -        printk("R%d = %#010"PRIx32" at %#010"PRIx32"\n", reg, *r, regs->pc);
> +        printk("DOM%d: R%d = %#010"PRIx32" at %#010"PRIx32"\n",
> +               domid, reg, *r, regs->pc);
>          break;
>      case 0xfd:
> -        printk("Reached %08"PRIx32"\n", regs->pc);
> +        printk("DOM%d: Reached %#010"PRIx32"\n", domid, regs->pc);
>          break;
>      case 0xfe:
>          printk("%c", (char)(regs->r0 & 0xff));
>          break;
>      case 0xff:
> -        printk("DEBUG\n");
> +        printk("DOM%d: DEBUG\n", domid);
>          show_execution_state(regs);
>          break;
>      default:
> -        panic("Unhandled debug trap %#x\n", code);
> +        panic("DOM%d: Unhandled debug trap %#x\n", domid, code);
>          break;
>      }
>  }
> -- 
> 1.7.9.1
> 
> 
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> 

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