[PATCH v8 00/25] arm64: MMU enabled kexec relocation

James Morse james.morse at arm.com
Wed Jan 15 06:36:27 PST 2020


Hi Pavel,

On 08/01/2020 17:59, Pavel Tatashin wrote:
> On Wed, Jan 8, 2020 at 12:32 PM Will Deacon <will at kernel.org> wrote:
>> On Wed, Dec 04, 2019 at 10:59:13AM -0500, Pavel Tatashin wrote:
>>> Many changes compared to version 6, so I decided to send it out now.
>>> James Morse raised an important issue to which I do not have a solution
>>> yet. But would like to discuss it.

(Christmas was badly timed relative to my holiday, so its taken a while for me to catch up)

The memory out of range of the idmap?
I've posted an RFC here[0] that makes hibernate idmap is ttbr0 page. This should let you
reuse that code and test it without a machine with a funny memory layout.


Thanks,

James

[0] https://lore.kernel.org/linux-arm-kernel/20200115143322.214247-1-james.morse@arm.com/



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