NetBSD-Users archive

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Old Index]

Re: What is the difference between nvmm-netbsd and kvm-linux?



On 06.03.2020 19:42, Maxime Villard wrote:
> Having said that, indeed KVM will architecturally perform fewer syscalls,
> because it emulates certain devices in kernel mode -- which can increase
> performance because it avoids a kernel<->userland cycle, but can decrease
> security (see bug class above).

Future hardware can deliver hardware assisted devices removing the need
for this emulation of certain devices in software. Once we will be
there, there might be no good reason to decode instructions in the kernel.


Home | Main Index | Thread Index | Old Index