[$] Grand Schemozzle: Spectre continues to haunt

The Spectre v1 hardware vulnerability isoften characterized as allowing array bounds checks to be bypassed via speculative execution.While that is true, it is not the full extent of the shenanigans allowed bythis particular class of vulnerabilities. For a demonstration of thatfact, one need look no further than the "SWAPGS vulnerability" known asCVE-2019-1125 to the wider world or as "Grand Schemozzle" to the selectgroup of developers who addressed it in the Linux kernel.