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Date:   Sat, 2 Dec 2017 11:34:12 +0100 (CET)
From:   Thomas Gleixner <>
To:     Andy Lutomirski <>
cc:     X86 ML <>, Borislav Petkov <>,
        "" <>,
        Brian Gerst <>,
        Dave Hansen <>,
        Linus Torvalds <>,
        Josh Poimboeuf <>
Subject: Re: [PATCH 1/2] Undo the split of setup_cpu_entry_area

On Fri, 1 Dec 2017, Andy Lutomirski wrote:

> This is obviously a hack.  Either the patch should be adjusted back to
> the version I sent or trap_init should forcibly initialize all PMDs
> by something like __set_fixmap(..., __mkpte(0)); or however it's spelled.

I split it because the whole thing crashed when I kept the loop you had
because it tried to allocate stuff. Had no time to figure out why, so I
went the lazy way of making it "work".

Simplifying the whole mess was on my list anyway.



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