Re: [PATCH] Drop switch root capability for non fadump initramfs

[piliu]

On 05/17/2020 10:47 PM, Kairui Song wrote:
>  Switch root is never used for kdump image, and this will be helpful
> to
>  reduce the initramfs size.
>  
>  Also increase dracut dependency version and the function is
>  dracut_no_switch_root is new introduced.
>  
>  This commit is applied to RHEL some time ago, but missing in Fedora as
>  Fedora's Dracut didn't backport this feature at that time. Now apply
>  this missing commit.
>  
>  Signed-off-by: Kairui Song <kasong(a)redhat.com&gt;
>  ---
>   dracut-module-setup.sh |  3 +++
>   kexec-tools.spec       | 10 +++++-----
>   2 files changed, 8 insertions(+), 5 deletions(-)
>  
>  diff --git a/dracut-module-setup.sh b/dracut-module-setup.sh
>  index 5397eb5..2cf7518 100755
>  --- a/dracut-module-setup.sh
>  +++ b/dracut-module-setup.sh
>  @@ -843,5 +843,8 @@ install() {
>           echo "[Journal]" >
> ${initdir}/etc/systemd/journald.conf.d/kdump.conf
>           echo "Storage=none" >>
> ${initdir}/etc/systemd/journald.conf.d/kdump.conf
>           echo "ForwardToConsole=yes" >>
> ${initdir}/etc/systemd/journald.conf.d/kdump.conf
>  +
>  +        # Save more memory by dropping switch root capability
>  +        dracut_no_switch_root
>       fi
>   }
>  diff --git a/kexec-tools.spec b/kexec-tools.spec
>  index 6bada4a..cbea367 100644
>  --- a/kexec-tools.spec
>  +++ b/kexec-tools.spec
>  @@ -55,13 +55,13 @@ Source110: dracut-kdump-wait-for-target.sh
>   Requires(post): systemd-units
>   Requires(preun): systemd-units
>   Requires(postun): systemd-units
>  -Requires(pre): coreutils sed zlib 
>  -Requires: dracut >= 047-34.git20180604
>  -Requires: dracut-network >= 044-117
>  -Requires: dracut-squash >= 049-4
>  +Requires(pre): coreutils sed zlib
>  +Requires: dracut >= 050
>  +Requires: dracut-network >= 050
>  +Requires: dracut-squash >= 050
>   Requires: ethtool
>   BuildRequires: zlib-devel zlib zlib-static elfutils-devel-static glib2-devel bzip2-devel
> ncurses-devel bison flex lzo-devel snappy-devel
>  -BuildRequires: pkgconfig intltool gettext 
>  +BuildRequires: pkgconfig intltool gettext
>   BuildRequires: systemd-units
>   BuildRequires: automake autoconf libtool
>   %ifarch %{ix86} x86_64 ppc64 ppc s390x ppc64le
>   
Acked-by: Pingfan Liu <piliu(a)redhat.com&gt;