linux-kernel - Re: [PATCH v2 06/11] x86/cpu: Rename original retbleed methods

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Message-ID: <20230814194140.xcehjmyt5bkzgeui@treble>
Date:   Mon, 14 Aug 2023 12:41:40 -0700
From:   Josh Poimboeuf <jpoimboe@...nel.org>
To:     Peter Zijlstra <peterz@...radead.org>
Cc:     x86@...nel.org, linux-kernel@...r.kernel.org, David.Kaplan@....com,
        Andrew.Cooper3@...rix.com, gregkh@...uxfoundation.org,
        nik.borisov@...e.com
Subject: Re: [PATCH v2 06/11] x86/cpu: Rename original retbleed methods

On Mon, Aug 14, 2023 at 01:44:32PM +0200, Peter Zijlstra wrote:
> Rename the original retbleed return thunk and untrain_ret to
> retbleed_return_thunk and retbleed_untrain_ret.
> 
> Andrew wants to call this btc_*, do we have a poll?

It should stay retbleed because:

1) It doesn't mitigate all possible manifestations of BTC.  It only
   mitigates BTC-RET, aka AMD "retbleed".

2) It should match the naming of the user interfaces which aren't going
   to change at this point.

-- 
Josh