18 Feb
2018
18 Feb
'18
8:38 p.m.
Hey Ross,
I've got a 64-bit Xenial kernel on my Trusty VM (with a generally 32-bit
userland).
I seem to recall Andy had to switch a flag somewhere to make the 64-bit
kernel work, so might be worth dropping a note to support before you switch.
Hope that helps,
James
On Sun, 18 Feb 2018, 8:11 pm Ross Younger, <ross(a)impropriety.org.uk> wrote:
On 18/02/18 22:34, Andy Smith wrote:
- If you're 32-bit you need to make a
decision about Meltdown,
whether you will wait for a 32-bit kernel fix or look at going to
64-bit by some means.
Are 64-bit guests an option these days? I don't see the lm flag in
/proc/cpuinfo on my VPS.
Am I right in thinking that a 64-bit kernel with a 32-bit userland would
achieve Meltdown protection without the hassle of converting userland?
(Having recently crossgraded my home server from 32-bit to 64-bit Debian
I am a bit reticent to do so on my VPS. I got there but it turned into a
bit of a marathon.)
Ross
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