Re: [Xen-devel] [PATCH] x86/xen: zero MSR_IA32_SPEC_CTRL before suspend

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> 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

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