linux-kernel - Re: [patch V2 1/2] x86/mm/pti: Handle unaligned address gracefully in pti_clone

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Message-ID: <alpine.DEB.2.21.1908282351550.1938@nanos.tec.linutronix.de>
Date:   Wed, 28 Aug 2019 23:52:41 +0200 (CEST)
From:   Thomas Gleixner <tglx@...utronix.de>
To:     LKML <linux-kernel@...r.kernel.org>
cc:     x86@...nel.org, Song Liu <songliubraving@...com>,
        Joerg Roedel <jroedel@...e.de>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        Andy Lutomirski <luto@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Rik van Riel <riel@...riel.com>
Subject: Re: [patch V2 1/2] x86/mm/pti: Handle unaligned address gracefully
 in pti_clone_pagetable()

On Wed, 28 Aug 2019, Thomas Gleixner wrote:

> From: Song Liu <songliubraving@...com>
> 
> pti_clone_pmds() assumes that the supplied address is either:
> 
>  - properly PUD/PMD aligned
> or
>  - the address is actually mapped which means that independent

Bah. I'm a moron. Forgot to fix the spell checker issues.