Re: [PATCH] x86/efi: Restore Firmware IDT in before ExitBootServices()
On Fri, Aug 20, 2021 at 09:02:46AM +0000, David Laight wrote: > So allocate and initialise the Linux IDT - so entries can be added. > But don't execute 'lidt' until later on.
The IDT is needed in this path to handle #VC exceptions caused by CPUID instructions. So loading the IDT later is not an option.