misc(kernel): use load fence before swapgs

Andy-Python-Programmer / aero

Aero is a new modern, experimental, UNIX-like operating system following the monolithic kernel design. Supporting modern PC features such as long mode, 5-level paging, and SMP (multicore), to name a few.

https://aero.andypy.dev

GNU General Public License v3.0

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misc(kernel): use load fence before swapgs #119

Closed sigsegv7 closed 2 months ago

sigsegv7 commented 2 months ago

Avoid potential speculative execution issues with swapgs, such as swapgs being speculatively missed.