3 ms·
How "modern" are we talking here? Core 2 Duo? Arrandale? Haswell? Skylake?
by Dwedit 4y ago
How "modern" are we talking here? Core 2 Duo? Arrandale? Haswell? Skylake?
- mananaysiempre 4y agoPer the OSDev Wiki, Pentium Pro and later[1]: > For newer CPUs (P6, Pentium 4) one SIPI is enough, but I'm not sure if older Intel CPUs (Pentium) or CPUs from other manufacturers need a second SIPI or not. When (and if) that became officially sanctioned behaviour is another question. [1] https://wiki.osdev.org/Symmetric_Multiprocessing#Initialisation_of_an_old_SMP_system https://wiki.osdev.org/Symmetric_Multiprocessing#Initialisat...