On Fri, Nov 12, 2021 at 05:33:05PM +0100, Borislav Petkov wrote:
> On Mon, Sep 13, 2021 at 05:55:59PM +0200, Joerg Roedel wrote:
> > +"ljmpl *%0" : :
> > +"m" (real_mode_header->sev_real_ap_park_asm),
> > +"b" (sev_es_jump_table_pa >> 4));
>
>
On Mon, Sep 13, 2021 at 05:55:59PM +0200, Joerg Roedel wrote:
> From: Joerg Roedel
>
> GHCB protocol version 2 adds the MSR-based AP-reset-hold VMGEXIT which
> does not need a GHCB. Use that to park APs in 16-bit protected mode on
> the AP Jump Table.
>
> Signed-off-by: Joerg Roedel
> ---
>
From: Joerg Roedel
GHCB protocol version 2 adds the MSR-based AP-reset-hold VMGEXIT which
does not need a GHCB. Use that to park APs in 16-bit protected mode on
the AP Jump Table.
Signed-off-by: Joerg Roedel
---
arch/x86/include/asm/realmode.h| 3 +
arch/x86/kernel/sev.c |
