Re: [Xen-devel] [PATCH for-4.12 v2 6/8] xen/arm: Initialize trace buffer

[Stefano Stabellini <sstabellini@xxxxxxxxxx>]

On Thu, 20 Dec 2018, Julien Grall wrote:
> From: Benjamin Sanda <ben.sanda@xxxxxxxxxxxxxxx>
> 
> Now that we allow a privileged domain to map tracing buffer, initialize
> them so a user can effectively trace Xen.
> 
> Signed-off-by: Benjamin Sanda <ben.sanda@xxxxxxxxxxxxxxx>
> [julien: rework commit message]
> Signed-off-by: Julien Grall <julien.grall@xxxxxxx>
> Reviewed-by: Andrii Anisov <andrii_anisov@xxxxxxxx>

Acked-by: Stefano Stabellini <sstabellini@xxxxxxxxxx>


> ---
>     Changes in v2:
>         - Add Andrii's reviewed-by
> ---
>  xen/arch/arm/setup.c | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/xen/arch/arm/setup.c b/xen/arch/arm/setup.c
> index fb923cdf67..444857a967 100644
> --- a/xen/arch/arm/setup.c
> +++ b/xen/arch/arm/setup.c
> @@ -36,6 +36,7 @@
>  #include <xen/pfn.h>
>  #include <xen/virtual_region.h>
>  #include <xen/vmap.h>
> +#include <xen/trace.h>
>  #include <xen/libfdt/libfdt.h>
>  #include <xen/acpi.h>
>  #include <asm/alternative.h>
> @@ -899,6 +900,8 @@ void __init start_xen(unsigned long boot_phys_offset,
>  
>      heap_init_late();
>  
> +    init_trace_bufs();
> +
>      init_constructors();
>  
>      console_endboot();
> -- 
> 2.11.0
> 

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