Linux Lands Safeguard For RISC-V Against Another Microarchitectural Attack Vector

Increasingly complex RISC-V cores aren't magically immune to the speculative execution / side-channel vulnerabilities that have rattled the x86_64 and ARM64 landscape for years. Following recent work on Spectre V1 handling for RISC-V in the Linux kernel, merged this weekend for Linux 6.19-rc5 is another RISC-V attack vector safeguard...