Messages in this thread | | | Date | Wed, 27 Dec 2017 13:25:23 +0100 | From | Borislav Petkov <> | Subject | Re: [PATCH v2] x86/kexec: Exclude GART aperture from vmcore |
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On Wed, Dec 27, 2017 at 03:44:49PM +0800, Baoquan He wrote: > > yes, instead of crashing the machine (because GART may be initialized in the > > 2nd kernel, overlapping the 1st kernel memory, which the 2nd kernel with its > > fake e820 map sees as unused). > > > > I'd say this is an improvement. > > I don't get what you said. If 'iommu=off' only specified in 1st kernel, > kdump kernel will think the memory which GART bar pointed as a hole. > This is incorrect. I don't see the improvement.
So he says, this memory is unused. Why is that incorrect?!?
Wh do I care about dumping unused memory?!?!
-- Regards/Gruss, Boris.
ECO tip #101: Trim your mails when you reply. --
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