linux-kernel - Re: [PATCH v4 0/7] Retbleed fixes

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Message-ID: <20250622160122.GDaFgo0tAwyUpIfiGS@fat_crate.local>
Date: Sun, 22 Jun 2025 18:01:22 +0200
From: Borislav Petkov <bp@...en8.de>
To: Pawan Gupta <pawan.kumar.gupta@...ux.intel.com>
Cc: x86@...nel.org, David Kaplan <david.kaplan@....com>,
	linux-kernel@...r.kernel.org, "H. Peter Anvin" <hpa@...or.com>,
	Josh Poimboeuf <jpoimboe@...nel.org>,
	Nikolay Borisov <nik.borisov@...e.com>
Subject: Re: [PATCH v4 0/7] Retbleed fixes

On Wed, Jun 11, 2025 at 10:28:44AM -0700, Pawan Gupta wrote:
> Pawan Gupta (7):
>       x86/retbleed: Avoid AUTO after the select step
>       x86/retbleed: Simplify the =stuff checks
>       x86/bugs: Avoid warning when overriding return thunk
>       x86/its: Use switch/case to apply mitigation
>       x86/retbleed: Introduce cdt_possible()
>       x86/its: Remove =stuff dependency on retbleed
>       x86/its: Allow stuffing in eIBRS+retpoline mode also

Note that the subject prefixes are "x86/bugs:" not the mitigations themselves.

https://kernel.org/doc/html/latest/process/maintainer-tip.html#patch-subject

I've fixed them up.

Otherwise looks ok to me, lemme put them through the test.

-- 
Regards/Gruss,
    Boris.

https://people.kernel.org/tglx/notes-about-netiquette