On Apr 7, 2022, at 10:40:36, Gary Weinhold wrote:
> 
> If you research general discussion about how Spectre worked, it appears
> it was dependent on data being brought into cache or not from the path
> not taken.  Timing how long it took to access the data indirectly a
> second time could reveal something about the data value.
> 
> On 2022-04-07 12:30 p.m., Ed Jaffe wrote:
>> 
>> 
>> How IBM Z defends against spectre has never been disclosed.
>>  
Security by Obscurity.

-- 
gil

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