On 15 September 2017 at 11:53, Stephen Boyd <sb...@codeaurora.org> wrote: > On 09/14, Ard Biesheuvel wrote: >> The UEFI memory map is a bit vague about how to interpret the >> EFI_MEMORY_XP attribute when it is combined with EFI_MEMORY_RP and/or >> EFI_MEMORY_WP, which have retroactively been redefined as cacheability >> attributes rather than permission attributes. >> >> So let's ignore EFI_MEMORY_XP if _RP and/or _WP are also set. In this >> case, it is likely that they are being used to describe the capability >> of the region (i.e., whether it has the controls to reconfigure it as >> non-executable) rather than the nature of the contents of the region >> (i.e., whether it contains data that we will never attempt to execute) >> >> Cc: Stephen Boyd <sb...@codeaurora.org> > > Reported-by: Stephen Boyd <sb...@codeaurora.org> > > I will test early next week and provide a tested-by. Thanks. >
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