> Am 05.01.2018 um 21:41 schrieb Fabian Grünbichler > <f.gruenbich...@proxmox.com>: > > On Fri, Jan 05, 2018 at 06:50:33PM +0100, Waschbüsch IT-Services GmbH wrote: >> >> AFAIK Meltdown is only affecting Intel (& ARM), but not AMD - see 'Forcing >> direct cache loads' here: >> >> https://lwn.net/SubscriberLink/742702/83606d2d267c0193/ >> <https://lwn.net/SubscriberLink/742702/83606d2d267c0193/> >> <https://lwn.net/SubscriberLink/742702/83606d2d267c0193/ >> <https://lwn.net/SubscriberLink/742702/83606d2d267c0193/>> >> >> Does anyone know if the current patching efforts will differentiate between >> Intel and AMD x86-64 offerings? >> >> I would hate to update kernels with these patches unless my systems are >> indeed affected. >> Not because of possible performance impacts, mind, but because of stability. >> I just feel it in my bones this major intervention is going to introduce >> regressions... :-( > > the Meltdown fix (KPTI) is disabled on AMD by default (and also > possible to disable using a kernel parameter on all platforms). > > the (planned) Spectre fixes (Retpoline, IBRS and IBPB) are for all/most > platforms and vendors, some of them will likely be exposed as kernel > parameters, but some of them will likely only available as compile time > options or not tunable at all.
Thanks! That is very good to know. _______________________________________________ pve-devel mailing list pve-devel@pve.proxmox.com https://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-devel
