On 05/17/2018 02:24 PM, Alex Bennée wrote: > > Richard Henderson <richard.hender...@linaro.org> writes: > >> On 05/17/2018 10:46 AM, Alex Bennée wrote: >>> Broken since I updated to 18.04 >>> >>> Signed-off-by: Alex Bennée <alex.ben...@linaro.org> >>> --- >>> tests/tcg/arm/Makefile.target | 8 ++++++++ >>> 1 file changed, 8 insertions(+) >> >> Meh. Most of these fail for hosts with 64k pages. >> So, sure, disable this one, but I don't think that >> the others are useful either. > > I'm not entirely sure what the point of -p is meant to be. Is it just a > performance hack for linux-user to have bigger pages? We are not using > softmmu but I guess it affects the PageDesc structures?
I think it was just meant for testing, but I really have no idea. If we actually had better support for mismatched host/guest page sizes, then one could view -p as a way to choose between legitimate guest page sizes. E.g. 8k, 16k, 64k are all legitimate for aarch64. r~
