Messages in this thread | | | From | Will Deacon <> | Subject | Re: [PATCH V3] arm64/mm: Validate hotplug range before creating linear mapping | Date | Fri, 13 Nov 2020 11:27:35 +0000 |
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On Fri, 13 Nov 2020 13:00:14 +0530, Anshuman Khandual wrote: > During memory hotplug process, the linear mapping should not be created for > a given memory range if that would fall outside the maximum allowed linear > range. Else it might cause memory corruption in the kernel virtual space. > > Maximum linear mapping region is [PAGE_OFFSET..(PAGE_END -1)] accommodating > both its ends but excluding PAGE_END. Max physical range that can be mapped > inside this linear mapping range, must also be derived from its end points. > > [...]
Applied to arm64 (for-next/fixes), thanks!
[1/1] arm64/mm: Validate hotplug range before creating linear mapping https://git.kernel.org/arm64/c/58284a901b42
Cheers, -- Will
https://fixes.arm64.dev https://next.arm64.dev https://will.arm64.dev
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