On Wed, Jan 16, 2019 at 01:34:43PM -0500, Prarit Bhargava wrote: > Customers and users of the kernel are commenting that there is no way to > update > a grub variable without copy and pasting the existing data. > > For example, > > [10:57 AM root@intel-wildcatpass-07 grub-2.02]# ./grub-editenv list > saved_entry=0 > next_entry= > kernelopts=root=/dev/mapper/rhel_intel--wildcatpass--07-root ro > crashkernel=auto resume=/dev/mapper/rhel_intel--wildcatpass--07-swap > rd.lvm.lv=rhel_intel-wildcatpass-07/root > rd.lvm.lv=rhel_intel-wildcatpass-07/swap console=ttyS0,115200n81 > ignore_loglevel > [10:57 AM root@intel-wildcatpass-07 grub-2.02]# ./grub-editenv - set > kernelopts="root=/dev/mapper/rhel_intel--wildcatpass--07-root ro > crashkernel=auto resume=/dev/mapper/rhel_intel--wildcatpass--07-swap > rd.lvm.lv=rhel_intel-wildcatpass-07/root > rd.lvm.lv=rhel_intel-wildcatpass-07/swap console=ttyS0,115200n81 > ignore_loglevel newarg" > [10:57 AM root@intel-wildcatpass-07 grub-2.02]# ./grub-editenv list > saved_entry=0 > next_entry= > kernelopts=root=/dev/mapper/rhel_intel--wildcatpass--07-root ro > crashkernel=auto resume=/dev/mapper/rhel_intel--wildcatpass--07-swap > rd.lvm.lv=rhel_intel-wildcatpass-07/root > rd.lvm.lv=rhel_intel-wildcatpass-07/swap console=ttyS0,115200n81 > ignore_loglevel newarg > > which is cumbersome. > > Add functionality to add to an existing variable. For example, > > [10:58 AM root@intel-wildcatpass-07 grub-2.02]# ./grub-editenv list > saved_entry=0 > next_entry= > kernelopts=root=/dev/mapper/rhel_intel--wildcatpass--07-root ro > crashkernel=auto resume=/dev/mapper/rhel_intel--wildcatpass--07-swap > rd.lvm.lv=rhel_intel-wildcatpass-07/root > rd.lvm.lv=rhel_intel-wildcatpass-07/swap console=ttyS0,115200n81 > ignore_loglevel > [10:58 AM root@intel-wildcatpass-07 grub-2.02]# ./grub-editenv - set > kernelopts+="newarg" > [10:59 AM root@intel-wildcatpass-07 grub-2.02]# ./grub-editenv list > saved_entry=0 > next_entry= > kernelopts=root=/dev/mapper/rhel_intel--wildcatpass--07-root ro > crashkernel=auto resume=/dev/mapper/rhel_intel--wildcatpass--07-swap > rd.lvm.lv=rhel_intel-wildcatpass-07/root > rd.lvm.lv=rhel_intel-wildcatpass-07/swap console=ttyS0,115200n81 > ignore_loglevel newarg > > Signed-off-by: Prarit Bhargava <pra...@redhat.com>
I prefer v1 patch +/- my suggestions. IMO current solution is an overkill. Daniel _______________________________________________ Grub-devel mailing list Grub-devel@gnu.org https://lists.gnu.org/mailman/listinfo/grub-devel
