On Wednesday, April 06, 2011 01:04:20 PM Kent A. Reed did opine: > On 4/6/2011 7:28 AM, Erik Christiansen wrote: > > ... > > That would rely on the fact that we do not output to stdout, so that > > if grub-mkconfig ends without spontaneous output, there is nothing to > > write to disk when grub-mkconfig closes its filedescriptor _after_ > > all the helper scripts, including ours, have run. > > > > Safer ways to achieve boot parameter customisation are then: > > a) Append "sync" and editing snippet to update-grub, so that it > > runs > > > > after grub-mkconfig has done its stuff, and the file is written > > to disk. (We previously didn't sync.) > > > > OR > > > > b) Put a wrapper around update-grub, so that our snippet lives in > > > > either ~/bin/update-grub or /usr/local/bin/update-grub, and we > > ensure in /etc/bash.bashrc that the chosen directory is first > > in $PATH. (Avoids modifying any grub stuff.) > > > > OR > > > > c) Modify the update-grub stub, to redirect output to our script, > > > > which in turn redirects to /boot/grub/grub.cfg (Since > > /usr/local/bin/update-grub is just a wrapper around > > grub-mkconfig, make it do more useful work.) > > > > Perhaps b) is the way to go? > > I'm getting too old to want to play this game but doesn't it seem there > is another alternative? Namely, insert another script to grub.d, call it > 05_rtai, say, that adds the isocpus parameter just to rtai entries. If > 10_linux results in the same kernels being entered later in the boot > order with the standard parameters, so what? > > Regards, > Kent > Now that seems to be a jolly good idea, why didn't I think of that? ;-)
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