linux-kernel - Re: [PATCHv2] perf kvm: add kvm-stat for arm64

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Date:   Wed, 16 Sep 2020 15:51:54 +0800
From:   Leo Yan <leo.yan@...aro.org>
To:     Sergey Senozhatsky <sergey.senozhatsky@...il.com>
Cc:     Peter Zijlstra <peterz@...radead.org>,
        Will Deacon <will@...nel.org>,
        John Garry <john.garry@...wei.com>,
        Mathieu Poirier <mathieu.poirier@...aro.org>,
        Namhyung Kim <namhyung@...nel.org>,
        Suleiman Souhlal <suleiman@...gle.com>,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCHv2] perf kvm: add kvm-stat for arm64

On Wed, Sep 16, 2020 at 09:44:04AM +0900, Sergey Senozhatsky wrote:
> On (20/09/15 21:21), Leo Yan wrote:
> > 
> > Sorry if I miss anything for this.
> > 
> 
> No, you are absolutely right! I should have looked more attentively.
> 
> Is "IL" good enough for a decoded reason
> 
>  	{ARM_EXCEPTION_IRQ,		"IRQ"		},	\
>  	{ARM_EXCEPTION_EL1_SERROR,	"SERROR"	},	\
>  	{ARM_EXCEPTION_TRAP,		"TRAP"		},	\
> +	{ARM_EXCEPTION_IL,		"IL"		}, \
>  	{ARM_EXCEPTION_HYP_GONE,	"HYP_GONE"	}
> 
> or should there be "ILLEGAL", or maybe something even better?
> ILLEGAL_EXC, etc.

I personally think "ILLEGAL" is neat and clear :)

Thanks,
Leo