[Xen-devel] [PATCH] x86-64 linux: unmap temporary mappings established for setup of 1:1 mappings

["Jan Beulich" <jbeulich@xxxxxxxxxx>]

The temporary mappings needed to set up the 1:1 mappings must be torn down 
after use; otherwise they may trigger the
WARN_ON() in vmap_pte_range() (namely if the chunk allocated to hold kernel and 
initial page tables gets close to or
exceeds 128Mb, or if a sufficiently high mem= argument causes the static 
allocations to grow beyond 128Mb, which in
either case means these mappings extend into the modules area).

Also some minor cleanup.

Signed-off-by: Jan Beulich <jbeulich@xxxxxxxxxx>

xenlinux-x86_64-unmap-early.patch
Description: Text document

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