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A comment on Apple Silicon Hardware: SPRR and Guarded Exception Levels (GXF). Parent comment

Re:Apple Silicon Hardware: SPRR and Guarded Exception Levels... by userbinator on Saturday May 08, 2021 @02:29AM (#27084488)
A register in usermode lets you choose rw- and r-x, but rwx is not a choice. JITs will work, but need to swap between the two; SMC/XMC won't.
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Re:Apple Silicon Hardware: SPRR and Guarded Exception Levels... by slimsag on Saturday May 08, 2021 @02:32AM (#27084502)
Ahh okay, I see, thank you for the explanation!
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