Christophe Leroy 3d7dfd632f powerpc: Implement user_access_save() and user_access_restore() ... Implement user_access_save() and user_access_restore() On 8xx and radix: - On save, get the value of the associated special register then prevent user access. - On restore, set back the saved value to the associated special register. On book3s/32: - On save, get the value stored in current->thread.kuap and prevent user access. - On restore, regenerate address range from the stored value and reopen read/write access for that range. Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/54f2f74938006b33c55a416674807b42ef222068.1579866752.git.christophe.leroy@c-s.fr		2020-01-28 23:14:44 +11:00
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32	powerpc: Implement user_access_save() and user_access_restore()	2020-01-28 23:14:44 +11:00
64	powerpc/mm: refactor ioremap vm area setup.	2019-08-27 13:03:35 +10:00
hugetlb-book3e.h
mmu-book3e.h	powerpc/fsl_booke/32: implement KASLR infrastructure	2019-11-13 19:27:40 +11:00
mmu.h
pgalloc.h
pgtable.h
pte-book3e.h
tlbflush.h