Messages in this thread | | | Date | Thu, 17 Oct 2013 13:05:19 +0100 | From | Matt Fleming <> | Subject | Re: [PATCH 5/5] efi: Capsule update support and pstore backend |
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On Wed, 16 Oct, at 02:52:25PM, Luck, Tony wrote: > > Where by "May not function correctly" you mean "May crash the system"? > > I'm a little uneasy having this run by default if enabled, even if it's > > disabled by default in the config. > > There's also an "either/or" choice between using efi-capsule with pstore, and the > traditional kexec/kdump method for getting a memory dump from a crash. We > have to go through a reset to save the capsule - but we don't want a reset for > kexec. Perhaps we can pass the reset parameters through the kexec path to > the new kernel to make it do the right kind of reset ... but the value of the capsule > dump is minimal if kdump managed to dump everything.
I admit that using kexec with the EFI capsule + pstore code is not something I'd considered. Though as you say, if you manage to jump to your crash kernel I'm not sure how much use the capsule would be.
-- Matt Fleming, Intel Open Source Technology Center
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