linux-kernel - Re: [RFC PATCH] x86/cpufeature: Add feature dependency checks

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Message-ID: <d7a86076-d1e8-418f-a167-e2d16b2dd7f7@intel.com>
Date: Mon, 26 Aug 2024 14:47:40 -0700
From: Sohil Mehta <sohil.mehta@...el.com>
To: Sean Christopherson <seanjc@...gle.com>
CC: <x86@...nel.org>, Borislav Petkov <bp@...en8.de>, Dave Hansen
	<dave.hansen@...ux.intel.com>, Thomas Gleixner <tglx@...utronix.de>, "Ingo
 Molnar" <mingo@...hat.com>, "H . Peter Anvin" <hpa@...or.com>, Uros Bizjak
	<ubizjak@...il.com>, Sandipan Das <sandipan.das@....com>, Peter Zijlstra
	<peterz@...radead.org>, Vegard Nossum <vegard.nossum@...cle.com>, Tony Luck
	<tony.luck@...el.com>, Pawan Gupta <pawan.kumar.gupta@...ux.intel.com>,
	Nikolay Borisov <nik.borisov@...e.com>, Eric Biggers <ebiggers@...gle.com>,
	Xin Li <xin3.li@...el.com>, <linux-kernel@...r.kernel.org>
Subject: Re: [RFC PATCH] x86/cpufeature: Add feature dependency checks

On 8/26/2024 1:05 PM, Sean Christopherson wrote:
> On Fri, Aug 23, 2024, Sohil Mehta wrote:
>> But I still feel that for the rare case when something like this seeps
>> through it would be better to disable the feature upfront than run in a
>> kernel panic or some other unexpected behavior.
> 
> Agreed.
> 

Great, I'll wait for a few more days to see if someone says otherwise.