On 07.11.14 22:18, Alexander Graf wrote: > Memory slots have to be page aligned to get entered into KVM. There > is existing logic that tries to ensure that we pad memory slots that > are not page aligned to the biggest region that would still fit in the > alignment requirements. > > Unfortunately, that logic is broken. It tries to calculate the start > offset based on the region size. > > Fix up the logic to do the thing it was intended to do and document it > properly in the comment above it. > > With this patch applied, I can successfully run an e500 guest with more > than 3GB RAM (at which point RAM starts overlapping subpage memory regions). > > Cc: qemu-sta...@nongnu.org > Signed-off-by: Alexander Graf <ag...@suse.de>
If everyone agrees that this patch does indeed do what the code is intended to do (I think it's quite correct, to be 100% right it should use getpagesize() rather than TARGET_PAGE_SIZE), this should go into 2.2 still. Alex