Messages in this thread | | | Date | Thu, 17 Oct 2013 12:55:14 +0100 | From | Matt Fleming <> | Subject | Re: [PATCH 5/5] efi: Capsule update support and pstore backend |
| |
On Wed, 16 Oct, at 03:19:39PM, Matthew Garrett wrote: > On Wed, Oct 16, 2013 at 02:51:00PM +0100, Matt Fleming wrote: > > > + Many EFI machines have buggy implementations of the UpdateCapsule() > > + runtime service. This option will enable code that may not function > > + correctly with your firmware. > > Where by "May not function correctly" you mean "May crash the system"?
Bingo.
> I'm a little uneasy having this run by default if enabled, even if it's > disabled by default in the config.
What would be the canonical way to enable this feature then? Have a file along the lines of /sys/kernel/debug/capsule_enable, where a user would be required to,
echo 1 > /sys/kernel/debug/capsule_enable
to turn on the functionality?
-- Matt Fleming, Intel Open Source Technology Center
| |