On Tue, Feb 6, 2018 at 2:17 PM, David Woodhouse <dw...@infradead.org> wrote: > On Tue, 2018-02-06 at 11:13 -0800, Guenter Roeck wrote: >> On Tue, Feb 06, 2018 at 07:10:27PM +0000, David Woodhouse wrote: >> > >> > >> > >> > On Tue, 2018-02-06 at 11:02 -0800, Greg Kroah-Hartman wrote: >> > > >> > > . >> > > > >> > > > >> > > > David >> > > > 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. >> > > Can you try 4.15.2-rc1? Or how about Linus's kernel tree now? There >> > > was a lot of spectrum patches merged just this week that were not in >> > > 4.15.1. >> > No, for the 486 it *should* have worked. The interesting commit >> > is fec9434a12 ("x86/pti: Do not enable PTI on CPUs which are not >> > vulnerable to Meltdown") which is indeed pulled in with the merge >> > commit that Matthew mentions. >> > >> I disagree. >> >> $ git describe >> v4.15.1-61-g7ab5513e4cbc >> $ git log --oneline v4.15.1.. | grep Melt >> 3472b3689bab x86/pti: Do not enable PTI on CPUs which are not vulnerable to >> Meltdown > > Ah right, for 4.15.1 perhaps yes. I was looking at Matthew's 'commit > 6304672b7f0a5c010002e63a075160856dc4f88d' which isn't in 4.15.1 at all; > that's the commit in Linus' tree where he pulled in the fix. So *that* > one should have had it.
I think Guenter is correct and I mixed up my linux versus linux-stable git repository directories. I am recompiling now Linus' tree and will report back my results. Apologies for the incorrect information. - Matthew