Re: [PATCH v2 01/12] kexec: Allow architecture code to opt-out at runtime

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



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.

https://people.kernel.org/tglx/notes-about-netiquette

_______________________________________________
kexec mailing list
kexec@xxxxxxxxxxxxxxxxxxx
http://lists.infradead.org/mailman/listinfo/kexec



[Index of Archives]     [LM Sensors]     [Linux Sound]     [ALSA Users]     [ALSA Devel]     [Linux Audio Users]     [Linux Media]     [Kernel]     [Gimp]     [Yosemite News]     [Linux Media]

  Powered by Linux