On Sat, Feb 3, 2018 at 2:37 AM, David Woodhouse <dw...@infradead.org> wrote:
> On Fri, 2018-02-02 at 23:52 -0500, tedheadster wrote:
>> I just tested the 4.15 kernel and it is reporting that my old i486
>> (non-cpuid capable) cpu is vulnerable to all three issues: Meltdown,
>> Spectre V1, and Spectre V2.
>> I find this to be _unlikely_.
> This should be fixed in Linus' tree already by commit fec9434a1
> ("x86/pti: Do not enable PTI on CPUs which are not vulnerable to
> Meltdown").
> We'll make sure it ends up in the stable tree too, if it hasn't
> already.

  I believe I got the patch(es) you mention in in the stable 4.15.1 kernel:

Pull x86/pti updates from Thomas Gleixner: "Another set of melted
spectrum related changes"
(commit 6304672b7f0a5c010002e63a075160856dc4f88d).

Unfortunately, the symptoms I reported remain on at least the i486 and i686.

- Matthew

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