On Mon, Sep 13, 2021 at 05:55:52PM +0200, Joerg Roedel wrote:
> From: Joerg Roedel <jroedel@xxxxxxx>
>
> Allow a runtime opt-out of kexec support for architecture code in case
> the kernel is running in an environment where kexec is not properly
> supported yet.
>
> This will be used on x86 when the kernel is running as an SEV-ES
> guest. SEV-ES guests need special handling for kexec to hand over all
> CPUs to the new kernel. This requires special hypervisor support and
> handling code in the guest which is not yet implemented.
>
> Cc: stable@xxxxxxxxxxxxxxx # v5.10+
> Signed-off-by: Joerg Roedel <jroedel@xxxxxxx>
> ---
> include/linux/kexec.h | 1 +
> kernel/kexec.c | 14 ++++++++++++++
> kernel/kexec_file.c | 9 +++++++++
> 3 files changed, 24 insertions(+)
I guess I can take this through the tip tree along with the next one.
Eric?
--
Regards/Gruss,
Boris.
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