Re: [PATCH v2 3/3] x86: Support booting under Secure Startup via SKINIT

2021-01-29 Thread Jan Beulich
On 29.01.2021 12:45, Andrew Cooper wrote: > From: Norbert Kamiński > > For now, this is simply enough logic to let Xen come up after the bootloader > has executed an SKINIT instruction to begin a Secure Startup. > > During a Secure Startup, the BSP operates with the GIF clear (blocks all > exter

[PATCH v2 3/3] x86: Support booting under Secure Startup via SKINIT

2021-01-29 Thread Andrew Cooper
From: Norbert Kamiński For now, this is simply enough logic to let Xen come up after the bootloader has executed an SKINIT instruction to begin a Secure Startup. During a Secure Startup, the BSP operates with the GIF clear (blocks all external interrupts, even SMI/NMI), and INIT_REDIRECTION acti