Some powerpc like the 8xx don't have a RW bit in PTE bits but a RO (Read Only)
bit.
This patch implements the handling of a _PAGE_RO flag to be used in place of
_PAGE_RW
Signed-off-by: Christophe Leroy
---
v2 is a complete rework of v1
v3:
- cleared PTE can remain 0, no need of _PAGE_RO on
Some powerpc like the 8xx don't have a RW bit in PTE bits but a RO (Read Only)
bit.
This patch implements the handling of a _PAGE_RO flag to be used in place of
_PAGE_RW
Signed-off-by: Christophe Leroy christophe.le...@c-s.fr
---
v2 is a complete rework of v1
v3:
- cleared PTE can remain 0,
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