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Re: [Xen-devel] [PATCH 2/3] * util/grub.d/20_linux_xen.in: Add support of the xen_boot command



24.02.2016 21:01, fu.wei@xxxxxxxxxx пишет:
> From: Fu Wei <fu.wei@xxxxxxxxxx>
> 
> This patch adds the support of xen_boot command:
>     xen_hypervisor
>     xen_module
> 
> Signed-off-by: Fu Wei <fu.wei@xxxxxxxxxx>
> ---
>  util/grub.d/20_linux_xen.in | 18 +++++++++++++++---
>  1 file changed, 15 insertions(+), 3 deletions(-)
> 
> diff --git a/util/grub.d/20_linux_xen.in b/util/grub.d/20_linux_xen.in
> index 46045db..f2a7e95 100644
> --- a/util/grub.d/20_linux_xen.in
> +++ b/util/grub.d/20_linux_xen.in
> @@ -122,16 +122,28 @@ linux_entry ()
>          else
>              xen_rm_opts="no-real-mode edd=off"
>          fi
> -     multiboot       ${rel_xen_dirname}/${xen_basename} placeholder 
> ${xen_args} \${xen_rm_opts}
> +        if [ -f \$prefix/\$grub_cpu-\$grub_platform/xen_boot.mod ]; then
> +            insmod xen_boot
> +        fi
> +        if [ "x\$grub_xen_boot" != xy ]; then

This should be feature test, see other mail.

> +            xen_loader="multiboot"
> +            linux_loader="module"
> +            initrd_loader="module --nounzip"
> +        else
> +            xen_loader="xen_hypervisor"
> +            linux_loader="xen_module"
> +            initrd_loader="xen_module"
> +        fi

xen_module will uncompress initrd (at least, as long as corresponding
filters are loaded). This makes two commands incompatible. xen_module
likely needs to support the same option.

> +     \${xen_loader}  ${rel_xen_dirname}/${xen_basename} placeholder 
> ${xen_args} \${xen_rm_opts}
>       echo    '$(echo "$lmessage" | grub_quote)'
> -     module  ${rel_dirname}/${basename} placeholder 
> root=${linux_root_device_thisversion} ro ${args}
> +     \${linux_loader}        ${rel_dirname}/${basename} placeholder 
> root=${linux_root_device_thisversion} ro ${args}
>  EOF
>    if test -n "${initrd}" ; then
>      # TRANSLATORS: ramdisk isn't identifier. Should be translated.
>      message="$(gettext_printf "Loading initial ramdisk ...")"
>      sed "s/^/$submenu_indentation/" << EOF
>       echo    '$(echo "$message" | grub_quote)'
> -     module  --nounzip   ${rel_dirname}/${initrd}
> +     \${initrd_loader}       ${rel_dirname}/${initrd}
>  EOF
>    fi
>    sed "s/^/$submenu_indentation/" << EOF
> 


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