> AFAIK Intel, ARM and AMD all have shipped chips that are vulnerable to a handful of speculative execution attacks. Some ARM CPUs, and IBM, both POWER and mai

> AFAIK Intel, ARM and AMD all have shipped chips that are vulnerable to a handful of speculative execution attacks. Some ARM CPUs, and IBM, both POWER and mainframe CPUs, have Meltdown bugs. All 4 of these vendors of high performance out-of-order speculative execution CPUs including AMD have Spectre bugs.