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Date:   Thu, 14 Jul 2022 19:03:32 +0200
From:   Peter Zijlstra <peterz@infradead.org>
To:     Josh Poimboeuf <jpoimboe@kernel.org>
Cc:     Thadeu Lima de Souza Cascardo <cascardo@canonical.com>,
        Pawan Gupta <pawan.kumar.gupta@linux.intel.com>,
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        Daniel Sneddon <daniel.sneddon@linux.intel.com>,
        antonio.gomez.iglesias@linux.intel.com
Subject: Re: [PATCH] x86/bugs: Switch to "auto" when "ibrs" selected on
 Enhanced IBRS parts
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On Thu, Jul 14, 2022 at 09:01:06AM -0700, Josh Poimboeuf wrote:

> > Yeah this; if the user asks for IBRS, we should give him IBRS. I hate
> > the 'I know better, let me change that for you' mentality.
> 
> eIBRS CPUs don't even have legacy IBRS so I don't see how this is even
> possible.

You can still WRMSR a lot on them. Might not make sense but it 'works'.