Am Mittwoch, den 10.01.2018, 17:10 +0000 schrieb Ken Moffat: > On Tue, Jan 09, 2018 at 03:02:27PM -0800, Paul Rogers wrote: > > > On Mon, Jan 08, 2018 at 04:14:50PM -0800, Paul Rogers wrote: > > > > I've just patched one of my older Core2 "Conroe", LFS-7.7, up > > > > to 4.4.110. It's an i686 system. <snip> > > > > > > > > Any ideas? TIA. > > > > > > > > > > Looking at my lkml mailbox, patch 02 of 37 for this version added > > > > I haven't been able to GET to LKML for 3 days now. It keeps > > timing-out. > > > > I had the same last night (on the main mirror), but I think there > used to be more than one mirror site. Haven't tried since, and it > is irrelevant to this problem. ... > > > > Sorry. I'm afraid 32-bit x86 gets much less love these days. > > > > Please, if anyone runs across the 32-bit patch, let me know. There > > certainly are many 32-bit system still in service! > > > > I asked on lwn, so far the consensus is that a lot of 32-bit x86 is > embedded and never gets updated anyway. Distros are gradually > dropping i686, AFAICS nobody has offered a potential fix - but there > is a PoC exploit at github which can apparently run on i686. > > And for Meltdown, although AMD x86_64 is not affected, nobody has > offered a view on whether or not AMD i686 is affected. > > There were some comments on the FreeBSD Questions list (for the > moment they do not have a fix even for x86_64) that they would hope > to fix i686 after x86_64 is fixed. But using FreeBSD, for someone > who understands linux, looks to be very painful. Another poster > said he *thought* the problem started with the Westmere generation.
Gentoo writes: "... Currently, the KPTI patch-set is only available for 64-bit Gentoo operating systems. Some 32-bit operating systems (for example if you are using 4gb/4gb memory split) are immune because they use separate memory maps for kernel and userspace. ..." Unfortunatly not specified what "Some 32-bit operating systems" are. https://wiki.gentoo.org/wiki/Project:Security/Vulnerabilities/Meltdown_ and_Spectre -- Thomas -- http://lists.linuxfromscratch.org/listinfo/lfs-support FAQ: http://www.linuxfromscratch.org/blfs/faq.html Unsubscribe: See the above information page Do not top post on this list. A: Because it messes up the order in which people normally read text. Q: Why is top-posting such a bad thing? A: Top-posting. Q: What is the most annoying thing in e-mail? http://en.wikipedia.org/wiki/Posting_style
