On Wed, 21 Feb 2018 10:15:49 -0700 Khalid Aziz <khalid.a...@oracle.com> wrote:
> A protection flag may not be valid across entire address space and > hence arch_validate_prot() might need the address a protection bit is > being set on to ensure it is a valid protection flag. For example, sparc > processors support memory corruption detection (as part of ADI feature) > flag on memory addresses mapped on to physical RAM but not on PFN mapped > pages or addresses mapped on to devices. This patch adds address to the > parameters being passed to arch_validate_prot() so protection bits can > be validated in the relevant context. > > Signed-off-by: Khalid Aziz <khalid.a...@oracle.com> > Cc: Khalid Aziz <kha...@gonehiking.org> > Reviewed-by: Anthony Yznaga <anthony.yzn...@oracle.com> Acked-by: Andrew Morton <a...@linux-foundation.org>
