On Wednesday, March 27, 2019 at 8:57:42 AM UTC+5:30, Jayen Desai wrote: > On Wednesday, March 27, 2019 at 5:21:23 AM UTC+5:30, unman wrote: > > On Tue, Mar 26, 2019 at 02:00:24PM -0700, CooSee wrote: > > > snip ! > > > > > > change the default entry to smp=on in xen.cfg or BOOTX64.CFG if using > > > UEFI. > > > > > > greetings > > > > > > > Shouldn't that be "smt=on"? > > > > You should probably look at QSB#43 before doing this in any case. > > The relevant Xen advisory (273) said that for HVM and PVH guests, > > leakage can only be prevented entirely by disabling SMT/Hyper-threading. > > I don't think that advice has changed, despite the provision of patches > > now incorporated in to Qubes. > > It appears that "smt=on" is default. However I passed that as a parameter to > the kernel command line. However the problem still remains. It brings up only > 4 CPUs instead of 8 CPUs. Please help.
I have gone through QSB#43 and Xen advisory 273 and I understand that only Intel core CPUs are affected by them. My laptop is Lenovo Ideapad 330 15ARR model. It is AMD Ryzen 5 2500 quadcore system. I believe it should not be impacted by the above advisories. This is to further clarify the issue. -- You received this message because you are subscribed to the Google Groups "qubes-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to qubes-users+unsubscr...@googlegroups.com. To post to this group, send email to qubes-users@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/qubes-users/94b9e5d2-4bcf-46cb-ba2b-39e722d672eb%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
