4 ms·
No, it's pretty specifically not about the Skylake issue - The retpoline not working on Skylake is fixed by IBRS, and is due to ret calls falling back to indire
by cthalupa 9y ago
No, it's pretty specifically not about the Skylake issue - The retpoline not working on Skylake is fixed by IBRS, and is due to ret calls falling back to indirect prediction in deep stacks.
vmexits and context switches are a very different thing than the deep stack ret calls.