[PATCH v4 09/12] x86: add xloadflags bit for efi runtime support on kexec
bp at alien8.de
Wed Nov 27 09:27:32 EST 2013
On Tue, Nov 26, 2013 at 01:57:54PM +0800, Dave Young wrote:
> Old kexec-tools can not load new kernel. The reason is previously kexec-tools
The reason is, kexec-tools ... previously, thus efi failed to initialize ...
> do not fill efi_info in x86 setup header thus efi init fail and switch
> to noefi boot. In new kexec-tools it will by default fill efi_info and
> pass other efi required infomation to 2nd kernel so kexec kernel efi
> initialization will success finally.
> To prevent from breaking userspace, add a new xloadflags bit so kexec-tools
> will check the flag and switch to old logic.
> Matt: +&& defined(CONFIG_KEXEC)
> HPA: document the flag.
> Signed-off-by: Dave Young <dyoung at redhat.com>
Other than that:
Acked-by: Borislav Petkov <bp at suse.de>
Sent from a fat crate under my desk. Formatting is fine.
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