linux-kernel - Re: [PATCH] x86/sev: Replace memset(0) and kfree() with kfree

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Message-ID: <20250706211855.GBaGroP2vqE-5_Ar86@fat_crate.local>
Date: Sun, 6 Jul 2025 23:18:55 +0200
From: Borislav Petkov <bp@...en8.de>
To: Thorsten Blum <thorsten.blum@...ux.dev>
Cc: Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...hat.com>,
	Dave Hansen <dave.hansen@...ux.intel.com>, x86@...nel.org,
	"H. Peter Anvin" <hpa@...or.com>,
	Tom Lendacky <thomas.lendacky@....com>,
	Nikunj A Dadhania <nikunj@....com>,
	Ard Biesheuvel <ardb@...nel.org>,
	Alexey Kardashevskiy <aik@....com>,
	Ashish Kalra <ashish.kalra@....com>,
	kernel test robot <lkp@...el.com>, Ingo Molnar <mingo@...nel.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] x86/sev: Replace memset(0) and kfree() with
 kfree_sensitive()

On Sun, Jul 06, 2025 at 11:28:44AM +0200, Thorsten Blum wrote:
> Replace memset(0) followed by kfree() with kfree_sensitive() to improve
> snp_msg_free()

Improve how?

> and silence the following Coccinelle/coccicheck warning
> reported by kfree_sensitive.cocci:

We don't do patches just to silence tools.

-- 
Regards/Gruss,
    Boris.

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