>>> On 12.04.18 at 09:32, <mingo@xxxxxxxxxx> wrote: > * Jan Beulich <JBeulich@xxxxxxxx> wrote: > >> >>> On 11.04.18 at 13:53, <mingo@xxxxxxxxxx> wrote: >> > * Jan Beulich <JBeulich@xxxxxxxx> wrote: >> > >> >> Additionally, x86 maintainers: is there a particular reason this (or >> >> any functionally equivalent patch) isn't upstream yet? As indicated >> >> before, I had not been able to find any discussion, and hence I >> >> see no reason why this is a patch we effectively carry privately in >> >> our distro branches (and likely other distros do so too). >> > >> > The patch was merged 6 weeks ago and is now upstream: >> > >> > 71c208dd54ab: x86/xen: Zero MSR_IA32_SPEC_CTRL before suspend >> >> I'm sorry, but no, this isn't the patch I was inquiring about. >> Instead I'm wondering of the disposition of the patch disabling >> IBRS around a CPU going idle. > > Got any specific link or subject line for that submission? Sure, as written in the original response to Jürgen's patch: https://patchwork.kernel.org/patch/10153843/ Jan