On 06/05/2014 02:43 AM, Alexander Graf wrote: > We tell the guest its page size via AUX vectors. The guest process then uses > this page size as information on which boundaries it can mmap() things. > > However, if the host has a bigger page size granularity than the guest, it can > not fulfill these mmap() requests - which falls apart when MAP_FIXED is passed > to mmap. > > So in that case, let the guest know that we're running on a bigger page size > granularity than the target would require. > > This fixes running qemu-ppc (TARGET_PAGE_SIZE=4k) on a 64k page size ppc64 > host > for me. > > Signed-off-by: Alexander Graf <[email protected]> > --- > linux-user/elfload.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-)
Woot. Obviously this won't fix all guests, only those that expect a variable page size to begin. But it's certainly a step forward. Reviewed-by: Richard Henderson <[email protected]> r~
