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Re: [Xen-devel] [PATCH OSSTEST v2] grub: remove patch to disable submenu from 20_linux_xen overlay



On Wed, May 06, 2015 at 11:41:11AM +0100, Ian Campbell wrote:
> setupboot_grub2 now supports submenus, so we can reduce our delta vs
> upstream a bit.
> 
> I started by extracting 20_linux_xen from
> http://snapshot.debian.org/archive/debian/20130703T094657Z/pool/main/g/grub2/grub-common_1.99-27%2Bdeb7u2_amd64.deb
> and then applying the patch at
> http://savannah.gnu.org/file/grub.patch?file_id=32276 (the patch from
> grub bug #42420 at http://savannah.gnu.org/bugs/?43420) and
> reinstating the comment at the top of the file (modified to drop the
> reference to the Debian bug.
> 
> This left me with some spurious changes:
> 
>     @@ -93,7 +93,7 @@ linux_entry ()
>            if test ! -e "${xen_dirname}/${xenpolicy}" ; then
>               return
>            fi
>     -      xen_args=`echo $xen_args flask=enforcing`
>     +      xen_args=`echo $xen_args flask_enabled=1 flask_enforcing=1`

This is due to we changed flask command line option. The uploaded
version used the old options.

>            if ${recovery} ; then
>               title="$(gettext_quoted "%s, with Xen %s (XSM enabled) and 
> Linux %s (recovery mode)")"
>            else
>     @@ -137,7 +137,6 @@ EOF
>             echo    '$message'
>             module  ${rel_dirname}/${xenpolicy}
>      EOF
>     -  fi

I don't really remember the exact detail of this "fi". But if the
resulting file after reverting this "fi" looks correct to you then this
is OK.

>        cat << EOF
>      }
>      EOF
> 
> I think these are bugs in the patch in the grub BTS, which were fixed
> while iterating over the XSM series in osstest but didn't make it into
> the upstream version, the fixes to those bugs are reverted byu the
> above. So I have manually reverted them.
> 
> Signed-off-by: Ian Campbell <ian.campbell@xxxxxxxxxx>
> Cc: Wei.Lui@xxxxxxxxxx

Wrong email address. I wonder how this email arrived in my inbox. :-)

> Cc: longtaox.pang@xxxxxxxxx
> ---
> v2: Posting as a standalone patch instead of in the nestedhvm series.
> 
> This should go in after "parsing grub which has 'submenu' primitive"
> which is part of the nestedhvm test series from Longtao Pang. Needs
> testing on top of that patch.
> 
> Wei, if you agree wrt those changes I'll update the bug, or perhaps
> you want to?

Can you please do that since you have the most up to date patch at hand.
Thanks!

Wei.

> ---
>  overlay/etc/grub.d/20_linux_xen | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/overlay/etc/grub.d/20_linux_xen b/overlay/etc/grub.d/20_linux_xen
> index 5315e2a..aaead1b 100755
> --- a/overlay/etc/grub.d/20_linux_xen
> +++ b/overlay/etc/grub.d/20_linux_xen
> @@ -1,7 +1,7 @@
>  #! /bin/sh
>  
>  # Copied from the identically named file in grub-common 1.99-27+deb7u2.
> -# This version fixed Debian bug #690538 and GRUB bug #43420.
> +# This version fixes GRUB bug #43420.
>  
>  set -e
>  
> @@ -173,6 +173,7 @@ while [ "x${xen_list}" != "x" ] ; do
>      xen_dirname=`dirname ${current_xen}`
>      rel_xen_dirname=`make_system_path_relative_to_its_root $xen_dirname`
>      xen_version=`echo $xen_basename | sed -e "s,.gz$,,g;s,^xen-,,g"`
> +    echo "submenu \"Xen ${xen_version}\" {"
>      while [ "x$list" != "x" ] ; do
>       linux=`version_find_latest $list`
>       echo "Found linux image: $linux" >&2
> @@ -214,5 +215,6 @@ while [ "x${xen_list}" != "x" ] ; do
>  
>       list=`echo $list | tr ' ' '\n' | grep -vx $linux | tr '\n' ' '`
>      done
> +    echo "}"
>      xen_list=`echo $xen_list | tr ' ' '\n' | grep -vx $current_xen | tr '\n' 
> ' '`
>  done
> -- 
> 2.1.4

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