On Sat, 2013-03-02 at 19:40 -0500, Matthew Garrett wrote: > UEFI variables are typically stored in flash. For various reasons, avaiable > space is typically not reclaimed immediately upon the deletion of a > variable - instead, the system will garbage collect during initialisation > after a reboot. > > Some systems appear to handle this garbage collection extremely poorly, > failing if more than 50% of the system flash is in use. This can result in > the machine refusing to boot. The safest thing to do for the moment is to > forbid writes if they'd end up using more than half of the storage space. > We can make this more finegrained later if we come up with a method for > identifying the broken machines. > > Signed-off-by: Matthew Garrett <matthew.garrett@xxxxxxxxxx> > --- > drivers/firmware/efivars.c | 106 +++++++++++++++++++++++++++++++++------------ > 1 file changed, 79 insertions(+), 27 deletions(-) Thanks, applied and marked for stable. -- To unsubscribe from this list: send the line "unsubscribe linux-efi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
