linux-kernel - Re: [tip:x86/urgent] x86/mm: Avoid VLA in pgd

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Message-ID: <20181009074816.GA114187@gmail.com>
Date:   Tue, 9 Oct 2018 09:48:16 +0200
From:   Ingo Molnar <mingo@...nel.org>
To:     Joerg Roedel <jroedel@...e.de>
Cc:     Arnd Bergmann <arnd@...db.de>, Kees Cook <keescook@...omium.org>,
        Borislav Petkov <bp@...en8.de>,
        linux-tip-commits@...r.kernel.org,
        Andy Lutomirski <luto@...nel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Toshimitsu Kani <toshi.kani@....com>,
        "H. Peter Anvin" <hpa@...or.com>
Subject: Re: [tip:x86/urgent] x86/mm: Avoid VLA in pgd_alloc()


* Joerg Roedel <jroedel@...e.de> wrote:

> Hi Arnd,
> 
> On Tue, Oct 09, 2018 at 09:33:56AM +0200, Arnd Bergmann wrote:
> > Ah, cool, thanks for the analysis. Is the patch already reverted?
> > I.e. should I send a replacement patch, or a relative fix, or is
> > someone else already on it?
> 
> Kees sent a fix which is already in tip-tree:
> 
> 	https://lore.kernel.org/lkml/20181008235434.GA35035@beast/

Yeah, decided to rebase and squash the two patches together into a single commit and credit 
everyone in a single patch (hopefully correctly), the original patch is pretty recent and I 
didn't want a bisection breakage.

Thanks,

	Ingo