3 ms·
I'm uncertain if it's safe to use AESENC and friends in kernel mode in Freebsd. A number of kernels can't safely use e.g. FPU registers in-kernel and aesni oper
by ahh 9y ago
I'm uncertain if it's safe to use AESENC and friends in kernel mode in Freebsd. A number of kernels can't safely use e.g. FPU registers in-kernel and aesni operates exclusively on SSE state.
- loeg 9y agoIt's safe. The FreeBSD kernel is capable of preserving user FPU state when kernel threads (e.g., aesni(4)) need to use FPU registers.