On Fri, Jan 19, 2018 at 04:15:33AM +, Van De Ven, Arjan wrote:
> there is no such guarantee. Some of the IBRS implementations will
> actually flush rather than disable, or flush parts and disable other
> parts.
To me it helps in order to memorize the spec to understand why the
spec is the way
On Fri, Jan 19, 2018 at 04:15:33AM +, Van De Ven, Arjan wrote:
> there is no such guarantee. Some of the IBRS implementations will
> actually flush rather than disable, or flush parts and disable other
> parts.
To me it helps in order to memorize the spec to understand why the
spec is the way
> Enabling IBRS does not prevent software from controlling the predicted
> targets of indirect branches of unrelated software executed later at
> the same predictor mode (for example, between two different user
> applications, or two different virtual machines). Such isolation can
> be ensured
> Enabling IBRS does not prevent software from controlling the predicted
> targets of indirect branches of unrelated software executed later at
> the same predictor mode (for example, between two different user
> applications, or two different virtual machines). Such isolation can
> be ensured
On Thu, Jan 18, 2018 at 5:41 PM, Andrea Arcangeli wrote:
> Hello,
>
> On Thu, Jan 18, 2018 at 03:25:25PM -0800, Andy Lutomirski wrote:
>> I read the whitepaper that documented the new MSRs a couple days ago
>> and I'm now completely unable to find it. If anyone could send
On Thu, Jan 18, 2018 at 5:41 PM, Andrea Arcangeli wrote:
> Hello,
>
> On Thu, Jan 18, 2018 at 03:25:25PM -0800, Andy Lutomirski wrote:
>> I read the whitepaper that documented the new MSRs a couple days ago
>> and I'm now completely unable to find it. If anyone could send the
>> link, that would
Hello,
On Thu, Jan 18, 2018 at 03:25:25PM -0800, Andy Lutomirski wrote:
> I read the whitepaper that documented the new MSRs a couple days ago
> and I'm now completely unable to find it. If anyone could send the
> link, that would be great.
I see Andrew posted a link.
> From memory, however,
Hello,
On Thu, Jan 18, 2018 at 03:25:25PM -0800, Andy Lutomirski wrote:
> I read the whitepaper that documented the new MSRs a couple days ago
> and I'm now completely unable to find it. If anyone could send the
> link, that would be great.
I see Andrew posted a link.
> From memory, however,
On 18/01/2018 23:25, Andy Lutomirski wrote:
> On Thu, Jan 18, 2018 at 11:08 AM, Andrea Arcangeli
> wrote:
>> On Thu, Jan 18, 2018 at 12:24:31PM -0600, Josh Poimboeuf wrote:
>>> On Thu, Jan 18, 2018 at 06:12:36PM +0100, Paolo Bonzini wrote:
On 18/01/2018 18:08, Dave
On 18/01/2018 23:25, Andy Lutomirski wrote:
> On Thu, Jan 18, 2018 at 11:08 AM, Andrea Arcangeli
> wrote:
>> On Thu, Jan 18, 2018 at 12:24:31PM -0600, Josh Poimboeuf wrote:
>>> On Thu, Jan 18, 2018 at 06:12:36PM +0100, Paolo Bonzini wrote:
On 18/01/2018 18:08, Dave Hansen wrote:
> On
On Thu, Jan 18, 2018 at 11:08 AM, Andrea Arcangeli wrote:
> On Thu, Jan 18, 2018 at 12:24:31PM -0600, Josh Poimboeuf wrote:
>> On Thu, Jan 18, 2018 at 06:12:36PM +0100, Paolo Bonzini wrote:
>> > On 18/01/2018 18:08, Dave Hansen wrote:
>> > > On 01/18/2018 08:37 AM, Josh
On Thu, Jan 18, 2018 at 11:08 AM, Andrea Arcangeli wrote:
> On Thu, Jan 18, 2018 at 12:24:31PM -0600, Josh Poimboeuf wrote:
>> On Thu, Jan 18, 2018 at 06:12:36PM +0100, Paolo Bonzini wrote:
>> > On 18/01/2018 18:08, Dave Hansen wrote:
>> > > On 01/18/2018 08:37 AM, Josh Poimboeuf wrote:
>> > >>>
On Thu, Jan 18, 2018 at 12:24:31PM -0600, Josh Poimboeuf wrote:
> On Thu, Jan 18, 2018 at 06:12:36PM +0100, Paolo Bonzini wrote:
> > On 18/01/2018 18:08, Dave Hansen wrote:
> > > On 01/18/2018 08:37 AM, Josh Poimboeuf wrote:
> > >>>
> > >>> --- a/Documentation/admin-guide/kernel-parameters.txt
> >
On Thu, Jan 18, 2018 at 12:24:31PM -0600, Josh Poimboeuf wrote:
> On Thu, Jan 18, 2018 at 06:12:36PM +0100, Paolo Bonzini wrote:
> > On 18/01/2018 18:08, Dave Hansen wrote:
> > > On 01/18/2018 08:37 AM, Josh Poimboeuf wrote:
> > >>>
> > >>> --- a/Documentation/admin-guide/kernel-parameters.txt
> >
On Thu, Jan 18, 2018 at 06:12:36PM +0100, Paolo Bonzini wrote:
> On 18/01/2018 18:08, Dave Hansen wrote:
> > On 01/18/2018 08:37 AM, Josh Poimboeuf wrote:
> >>>
> >>> --- a/Documentation/admin-guide/kernel-parameters.txt
> >>> +++ b/Documentation/admin-guide/kernel-parameters.txt
> >>> @@ -3932,6
On Thu, Jan 18, 2018 at 06:12:36PM +0100, Paolo Bonzini wrote:
> On 18/01/2018 18:08, Dave Hansen wrote:
> > On 01/18/2018 08:37 AM, Josh Poimboeuf wrote:
> >>>
> >>> --- a/Documentation/admin-guide/kernel-parameters.txt
> >>> +++ b/Documentation/admin-guide/kernel-parameters.txt
> >>> @@ -3932,6
On 18/01/2018 18:08, Dave Hansen wrote:
> On 01/18/2018 08:37 AM, Josh Poimboeuf wrote:
>>>
>>> --- a/Documentation/admin-guide/kernel-parameters.txt
>>> +++ b/Documentation/admin-guide/kernel-parameters.txt
>>> @@ -3932,6 +3932,7 @@
>>> retpoline - replace indirect
On 18/01/2018 18:08, Dave Hansen wrote:
> On 01/18/2018 08:37 AM, Josh Poimboeuf wrote:
>>>
>>> --- a/Documentation/admin-guide/kernel-parameters.txt
>>> +++ b/Documentation/admin-guide/kernel-parameters.txt
>>> @@ -3932,6 +3932,7 @@
>>> retpoline - replace indirect
On 01/18/2018 08:37 AM, Josh Poimboeuf wrote:
>>
>> --- a/Documentation/admin-guide/kernel-parameters.txt
>> +++ b/Documentation/admin-guide/kernel-parameters.txt
>> @@ -3932,6 +3932,7 @@
>> retpoline - replace indirect branches
>>
On 01/18/2018 08:37 AM, Josh Poimboeuf wrote:
>>
>> --- a/Documentation/admin-guide/kernel-parameters.txt
>> +++ b/Documentation/admin-guide/kernel-parameters.txt
>> @@ -3932,6 +3932,7 @@
>> retpoline - replace indirect branches
>>
On Thu, Jan 18, 2018 at 02:48:23PM +0100, Peter Zijlstra wrote:
> From: Thomas Gleixner
>
> Add the minimal infrastructure to control the speculation control feature.
>
> - Integrate it into the spectre_v2 coammand line parser and the mitigation
>selector function. The
On Thu, Jan 18, 2018 at 02:48:23PM +0100, Peter Zijlstra wrote:
> From: Thomas Gleixner
>
> Add the minimal infrastructure to control the speculation control feature.
>
> - Integrate it into the spectre_v2 coammand line parser and the mitigation
>selector function. The conditional selector
From: Thomas Gleixner
Add the minimal infrastructure to control the speculation control feature.
- Integrate it into the spectre_v2 coammand line parser and the mitigation
selector function. The conditional selector function is a placeholder
right now, which needs to
From: Thomas Gleixner
Add the minimal infrastructure to control the speculation control feature.
- Integrate it into the spectre_v2 coammand line parser and the mitigation
selector function. The conditional selector function is a placeholder
right now, which needs to be expanded with CPU
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