linux-kernel - Re: [PATCH 2/3] x86/bugs: Add a separate config for missing mitigation

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Message-ID: <20240122205821.m5dsyi4sc2ghoavd@desk>
Date: Mon, 22 Jan 2024 12:58:21 -0800
From: Pawan Gupta <pawan.kumar.gupta@...ux.intel.com>
To: Breno Leitao <leitao@...ian.org>
Cc: mingo@...nel.org, Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
	Dave Hansen <dave.hansen@...ux.intel.com>, x86@...nel.org,
	"H. Peter Anvin" <hpa@...or.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Josh Poimboeuf <jpoimboe@...nel.org>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/3] x86/bugs: Add a separate config for missing
 mitigation

On Thu, Jan 18, 2024 at 09:32:12AM -0800, Breno Leitao wrote:
> +config MITIGATION_RETBLEED
> +	bool "Mitigate RETBleed hardware bug"
> +	depends on CPU_SUP_INTEL || (CPU_SUP_AMD && MITIGATION_UNRET_ENTRY)

Atleast on Intel CPUs, Retbleed mitigation is meaningless without
spectre-v2 being mitigated, shouldn't this depend on MITIGATION_SPECTRE_V2?