Re: [MINI-OS PATCH 12/12] kexec: do the final kexec step

[Jason Andryuk <jandryuk@xxxxxxxxx>]

On Fri, Mar 21, 2025 at 5:30 AM Juergen Gross <jgross@xxxxxxxx> wrote:
>
> With all kexec preparations done, activate the new kernel.
>
> Signed-off-by: Juergen Gross <jgross@xxxxxxxx>
> ---
>  kexec.c | 17 +++++++++++++++--
>  1 file changed, 15 insertions(+), 2 deletions(-)
>
> diff --git a/kexec.c b/kexec.c
> index 2db876e8..85b09959 100644
> --- a/kexec.c
> +++ b/kexec.c
> @@ -169,6 +169,7 @@ int kexec(void *kernel, unsigned long kernel_size, const 
> char *cmdline)

> @@ -192,6 +193,13 @@ int kexec(void *kernel, unsigned long kernel_size, const 
> char *cmdline)
>      if ( ret )
>          goto err;
>
> +    kexec_page = (void *)alloc_page();

kexec_page() is referenced already in do_kexec(), but it hasn't been
hooked up yet, right?  I guess that is okay.

If not an ASSERT on 1 page, then allocate KEXEC_SECSIZE?

Regards,
Jason