linux-kernel - Re: [patch V2 17/29] x86/exceptions: Disconnect IST index and stack order

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Message-ID: <20190405215713.rv46kr5fhl3z3m4z@treble>
Date:   Fri, 5 Apr 2019 16:57:13 -0500
From:   Josh Poimboeuf <jpoimboe@...hat.com>
To:     Thomas Gleixner <tglx@...utronix.de>
Cc:     LKML <linux-kernel@...r.kernel.org>, x86@...nel.org,
        Andy Lutomirski <luto@...nel.org>,
        Sean Christopherson <sean.j.christopherson@...el.com>
Subject: Re: [patch V2 17/29] x86/exceptions: Disconnect IST index and stack
 order

On Fri, Apr 05, 2019 at 05:07:15PM +0200, Thomas Gleixner wrote:
> +/*
> + * The exception stack ordering in [cea_]exception_stacks
> + */
> +enum exception_stack_ordering {
> +	ISTACK_DF,
> +	ISTACK_NMI,
> +	ISTACK_DB,
> +	ISTACK_MCE,
> +	N_EXCEPTION_STACKS
> +};

While clever, it reads as "interrupt stack" to me.  ESTACK or IST_STACK
would be infinitely better.

-- 
Josh