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Does avoiding userspace being trampled by the kernel mean avoiding a context switch? Does the kernel write to userspace-accessible memory that the spinlock guar
by vacuity 3y ago
Does avoiding userspace being trampled by the kernel mean avoiding a context switch? Does the kernel write to userspace-accessible memory that the spinlock guards?
Unrelated, but what does "open-coded" mean? I never seem to find an obvious answer online.
- aktau 3y ago> Unrelated, but what does "open-coded" mean? I never seem to find an obvious answer online. In my understanding, open-coded means something akin to "manually inlined". Or: written inline while an acceptable alternative exists as a function.