Re: [PATCH v2] KVM: PPC: Book3S HV: Add H_FAC_UNAVAIL mapping for tracing exits

[Amit Machhiwal <amachhiw@linux.ibm.com>]

On 2026/04/28 02:15 PM, Gautam Menghani wrote:
> From: Gautam Menghani <gautam@linux.ibm.com>
> 
> The macro kvm_trace_symbol_exit is used for providing the mappings
> for the trap vectors and their names. Add mapping for H_FAC_UNAVAIL so that
> trap reason is displayed as string instead of a vector number when using
> the kvm_guest_exit tracepoint.
> 
> Signed-off-by: Gautam Menghani <gautam@linux.ibm.com>
> ---
> v2:
> 1. Remove the trailing comma after last element
> 
>  arch/powerpc/kvm/trace_book3s.h | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/arch/powerpc/kvm/trace_book3s.h b/arch/powerpc/kvm/trace_book3s.h
> index 9260ddbd557f..5d272c115331 100644
> --- a/arch/powerpc/kvm/trace_book3s.h
> +++ b/arch/powerpc/kvm/trace_book3s.h
> @@ -28,6 +28,7 @@
>  	{0xea0, "H_VIRT"}, \
>  	{0xf00, "PERFMON"}, \
>  	{0xf20, "ALTIVEC"}, \
> -	{0xf40, "VSX"}
> +	{0xf40, "VSX"}, \
> +	{0xf80, "H_FAC_UNAVAIL"}

While we are at it, should we also consider adding 0xf60 for Facility
Unavailable? Anyways, LGTM.

Reviewed-by: Amit Machhiwal <amachhiw@linux.ibm.com>

>  
>  #endif
> -- 
> 2.52.0
> 
>