linux-kernel - Re: [PATCH v2 08/14] x86/retpoline: Create a retpoline thunk array

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Message-ID: <20211020155750.3u74bkcp66leeyed@treble>
Date:   Wed, 20 Oct 2021 08:57:50 -0700
From:   Josh Poimboeuf <jpoimboe@...hat.com>
To:     Peter Zijlstra <peterz@...radead.org>
Cc:     x86@...nel.org, andrew.cooper3@...rix.com,
        linux-kernel@...r.kernel.org, alexei.starovoitov@...il.com,
        ndesaulniers@...gle.com
Subject: Re: [PATCH v2 08/14] x86/retpoline: Create a retpoline thunk array

On Wed, Oct 20, 2021 at 12:44:50PM +0200, Peter Zijlstra wrote:
> Stick all the retpolines in a single symbol and have the individual
> thunks as inner labels, this should guarantee thunk order and layout.

How so?

Just wondering what the purpose of the array is.  It doesn't seem to be
referenced anywhere.

-- 
Josh